/* ================================================================
   Link Field - New Design System
   AI/Tech Startup Style: Dark Hero + Green Accent
   Mobile-First | All-in-One CSS
   ================================================================ */

/* ================================
   CSS Variables
   ================================ */
:root {
  --color-primary: #00E676;
  --color-primary-dark: #00C853;
  --color-primary-light: #69F0AE;
  --color-primary-glow: rgba(0, 230, 118, 0.15);
  --color-accent-start: #00BCD4;
  --color-accent-end: #00E676;

  --color-bg-dark: #0a0f1a;
  --color-bg-dark-card: #111827;
  --color-bg-light: #f8fafb;
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafb;

  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-light: #94a3b8;
  --color-text-white: #f1f5f9;
  --color-text-dark-sub: #94a3b8;

  --color-border: #e2e8f0;
  --color-border-dark: rgba(255, 255, 255, 0.08);

  --font-primary: 'Noto Sans JP', 'Inter', sans-serif;
  --font-heading: 'Inter', 'Noto Sans JP', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;

  --font-size-xs: 0.8rem;
  --font-size-sm: 0.9rem;
  --font-size-base: 1.05rem;
  --font-size-lg: 1.2rem;
  --font-size-xl: 1.35rem;
  --font-size-2xl: 1.6rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.2rem;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  --container-max: 1100px;
  --container-wide: 1400px;
  --container-padding: 1.25rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50%;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 20px rgba(0, 230, 118, 0.3);
}

/* ================================
   Reset & Base
   ================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

/* ================================
   Typography
   ================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

h1 { font-size: clamp(1.875rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p { margin-bottom: var(--space-sm); }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-primary-dark); }

img { max-width: 100%; height: auto; display: block; }

[id] { scroll-margin-top: 100px; }

/* ================================
   Layout
   ================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section { padding: var(--space-2xl) 0; }
.section .container { text-align: center; }
.section .container > *:not(.section-header) { text-align: left; }

/* ================================
   Buttons
   ================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-primary);
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #0a0f1a;
  font-weight: 700;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: #0a0f1a;
}

.btn-secondary {
  background: var(--color-bg-dark-card);
  color: var(--color-text-white);
  border: 1px solid var(--color-border-dark);
}
.btn-secondary:hover {
  background: #1e293b;
  color: var(--color-primary);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #0a0f1a;
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.4);
}
.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
  color: #fff;
}

.btn-white {
  background: #fff;
  color: var(--color-text-primary);
  font-weight: 700;
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-text-primary);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-sm);
}

.btn-block {
  display: block;
  width: 100%;
}

/* ================================
   Background Utilities
   ================================ */
.bg-light { background-color: var(--color-bg-light); }

.bg-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-white);
}

/* ================================
   Text & Spacing Utilities
   ================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.d-none { display: none; }
.d-block { display: block; }

@media (min-width: 768px) {
  .d-md-none { display: none; }
  .d-md-block { display: block; }
}
@media (min-width: 1024px) {
  .d-lg-none { display: none; }
  .d-lg-block { display: block; }
}

/* ================================
   Loading Screen
   ================================ */
.loading-screen {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.loading-screen.loaded { opacity: 0; visibility: hidden; }

.loading-content { text-align: center; }

.loading-logo {
  margin-bottom: var(--space-lg);
  animation: logoFade 1.5s ease-in-out infinite;
}
.loading-logo img { height: 60px; width: auto; }

@keyframes logoFade {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.loading-bar {
  width: 200px;
  height: 2px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 2px;
  overflow: hidden;
}
.loading-bar-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-start));
  animation: loadingProgress 1.5s ease-in-out infinite;
  transform-origin: left;
}
@keyframes loadingProgress {
  0% { transform: scaleX(0); }
  50% { transform: scaleX(1); }
  100% { transform: scaleX(0); transform-origin: right; }
}

/* ================================
   Header
   ================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all var(--transition-base);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.header-container { width: 100%; }
.header-container .container {
  max-width: 100%;
  padding-left: 2rem;
  padding-right: 2rem;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0.75rem 0;
  gap: 1.5rem;
  min-height: 70px;
}

.site-branding {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.site-branding .custom-logo,
.site-branding .custom-logo-link img,
.site-branding img {
  height: auto;
  width: clamp(160px, 18vw, 260px);
  max-height: 65px;
  object-fit: contain;
}

/* Navigation */
.main-navigation {
  display: none;
  flex: 0 1 auto;
  justify-content: center;
  margin-left: auto;
}
.main-navigation .menu-wrapper ul {
  display: flex;
  list-style: none;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: center;
  margin: 0; padding: 0;
}
.main-navigation a {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: clamp(0.85rem, 1.2vw, 0.95rem);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
  letter-spacing: 0.02em;
}
.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}
.main-navigation a:hover { color: var(--color-primary); }
.main-navigation a:hover::after { width: 100%; }

.main-navigation .current-menu-item a,
.main-navigation .current_page_item a { color: var(--color-primary); }
.main-navigation .current-menu-item a::after,
.main-navigation .current_page_item a::after { width: 100%; }

/* Submenu */
.main-navigation .menu-wrapper ul li { position: relative; }
.main-navigation .menu-wrapper ul ul.sub-menu {
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%);
  min-width: 200px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-md);
  padding: 0.5rem 0;
  flex-direction: column;
  gap: 0;
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: 1000;
  margin-top: 0.5rem;
}
.main-navigation .menu-wrapper ul ul.sub-menu::before {
  content: '';
  position: absolute;
  top: -8px; left: 50%;
  transform: translateX(-50%);
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid #ffffff;
}
.main-navigation .menu-wrapper ul li:hover > ul.sub-menu { opacity: 1; visibility: visible; }
.main-navigation .menu-wrapper ul ul.sub-menu li { width: 100%; }
.main-navigation .menu-wrapper ul ul.sub-menu a {
  display: block;
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 400;
  white-space: nowrap;
  color: var(--color-text-secondary);
}
.main-navigation .menu-wrapper ul ul.sub-menu a:hover {
  background: var(--color-bg-light);
  color: var(--color-primary-dark);
}
.main-navigation .menu-wrapper ul ul.sub-menu a::after { display: none; }

.main-navigation .menu-item-has-children > a::before {
  content: '';
  position: absolute;
  right: -12px; top: 50%;
  transform: translateY(-50%);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  transition: transform var(--transition-base);
}
.main-navigation .menu-item-has-children:hover > a::before {
  transform: translateY(-50%) rotate(180deg);
}

/* Header Right */
.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: 1.5rem;
  flex-shrink: 0;
}
.header-business-hours {
  display: none;
  font-size: 0.8rem;
  color: var(--color-text-dark-sub);
  white-space: nowrap;
}
.header-phone {
  display: none;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: 1rem;
  transition: color var(--transition-fast);
  white-space: nowrap;
}
.header-phone:hover { color: var(--color-primary); }
.header-phone .phone-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.header-phone .phone-icon svg { fill: currentColor; }

.header-cta .btn {
  padding: 0.6rem 1.5rem;
  font-size: clamp(0.8rem, 1.1vw, 0.9rem);
  font-weight: 600;
  white-space: nowrap;
  border-radius: var(--radius-md);
  letter-spacing: 0.02em;
  background: var(--color-primary);
  color: #0a0f1a;
}
.header-cta .btn:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
  margin-left: auto;
  flex-shrink: 0;
}
.menu-toggle-icon {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 28px;
}
.menu-toggle-icon span {
  display: block;
  width: 100%; height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}
.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0; visibility: hidden;
  transition: all var(--transition-base);
  z-index: 998;
}
.mobile-menu-overlay.active { opacity: 1; visibility: visible; }

.mobile-menu {
  position: fixed;
  top: 0; right: -100%;
  width: 300px; max-width: 85%;
  height: 100vh; height: 100dvh;
  background: #ffffff;
  border-left: 1px solid var(--color-border);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.1);
  padding: 0 !important;
  overflow: hidden !important;
  transition: right 0.3s ease;
  z-index: 999;
  display: flex !important;
  flex-direction: column !important;
}
.mobile-menu.active { right: 0; }

.mobile-menu-header {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  width: 100% !important;
  min-height: 70px !important;
  height: 70px !important;
  padding: 13px 20px !important;
  border-bottom: 1px solid var(--color-border) !important;
  background-color: var(--color-bg-light) !important;
  box-sizing: border-box !important;
  flex-shrink: 0 !important;
}
.mobile-menu-close {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 44px !important; height: 44px !important;
  background-color: var(--color-bg-light) !important;
  border: 1px solid var(--color-border) !important;
  border-radius: 50% !important;
  font-size: 24px !important;
  line-height: 1 !important;
  cursor: pointer;
  color: var(--color-text-primary) !important;
  transition: background 0.2s, color 0.2s;
}
.mobile-menu-close:hover {
  background-color: var(--color-primary) !important;
  color: #ffffff !important;
}

.mobile-menu-content {
  padding: 24px !important;
  flex: 1 !important;
  overflow-y: auto !important;
}
.mobile-menu ul { list-style: none; margin: 0; padding: 0; }
.mobile-menu li { margin-bottom: 0.5rem; }
.mobile-menu a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  font-weight: 500;
  display: block;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}
.mobile-menu a:hover,
.mobile-menu .current-menu-item a { color: var(--color-primary); }

.mobile-menu ul.sub-menu {
  display: none;
  padding-left: 1rem;
  margin-top: 0.5rem;
  border-left: 2px solid var(--color-primary);
}
.mobile-menu li.menu-item-has-children.submenu-open > ul.sub-menu { display: block; }
.mobile-menu ul.sub-menu li { margin-bottom: 0.25rem; }
.mobile-menu ul.sub-menu a {
  font-size: var(--font-size-base);
  padding: 0.5rem 0;
  border-bottom: none;
}

.mobile-menu .menu-item-has-children > a {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mobile-menu .menu-item-has-children > a::after {
  content: '+';
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  transition: transform var(--transition-base);
}
.mobile-menu .menu-item-has-children.submenu-open > a::after { content: '−'; }

.mobile-cta { margin-top: var(--space-xl); }
.mobile-cta .btn-block { display: block; width: 100%; text-align: center; }

/* ================================
   Hero Section
   ================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: calc(70px + var(--space-2xl)) var(--container-padding) var(--space-2xl);
}

.hero-background {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, #1a2332 0%, #0f2027 50%, #1a3a2a 100%);
}

.hero-bg-image {
  width: 100%; height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0, 230, 118, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(0, 188, 212, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, rgba(26, 35, 50, 0.2) 0%, rgba(26, 35, 50, 0.6) 100%);
}

/* Animated glow accent */
.hero-section::before {
  content: '';
  position: absolute;
  top: 20%; left: -20%;
  width: 60%; height: 60%;
  background: radial-gradient(circle, rgba(0, 230, 118, 0.1) 0%, transparent 70%);
  animation: heroGlow 8s ease-in-out infinite;
  z-index: 0;
}
@keyframes heroGlow {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
  50% { transform: translate(30%, 10%) scale(1.2); opacity: 0.8; }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  color: #fff;
  padding: 0 1rem;
}

.hero-title {
  color: #fff;
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 800;
  margin-bottom: var(--space-lg);
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.hero-title .gradient-text,
.hero-title strong {
  background: linear-gradient(135deg, var(--color-accent-start), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  color: var(--color-primary);
  font-size: clamp(0.85rem, 2vw, 1.1rem);
  font-weight: 600;
  margin-bottom: var(--space-md);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-description {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  margin-bottom: var(--space-xl);
  color: var(--color-text-dark-sub);
  line-height: 1.9;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  white-space: pre-line;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-cta .btn {
  min-width: 180px;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

/* Hero Scroll Indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.5);
  animation: scrollPulse 2s ease-in-out infinite;
  z-index: 1;
}
.scroll-text {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 500;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
}
@keyframes scrollPulse {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(10px); opacity: 0.5; }
}

/* ================================
   Section Common
   ================================ */
.section-header { margin-bottom: var(--space-xl); }

.section-label {
  display: inline-block;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: clamp(0.75rem, 1.2vw, 0.85rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
.section-label.light { color: var(--color-primary); }

.section-title {
  color: var(--color-text-primary);
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  margin-bottom: var(--space-md);
  line-height: 1.35;
  font-weight: 800;
}
.section-title.light { color: var(--color-text-white); }

.section-subtitle {
  color: var(--color-text-secondary);
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.9;
}
.section-subtitle.light { color: var(--color-text-dark-sub); }

.section-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ================================
   Problems Section
   ================================ */
.problems-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.problem-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  text-decoration: none;
  display: block;
}
.problem-card:hover,
.problem-card-link:hover {
  border-left: 3px solid var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  color: inherit;
}

.problem-icon {
  width: 48px; height: 48px;
  margin: 0 auto var(--space-sm);
  color: var(--color-primary);
  background: var(--color-primary-glow);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}
.problem-icon svg { width: 24px; height: 24px; }

.problem-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  margin: 0;
  line-height: 1.6;
}

.problem-solution-hint {
  display: block;
  margin-top: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  font-weight: 600;
}

/* ================================
   Services Section (Front Page)
   ================================ */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.service-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent-start));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition-base);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleY(1); }

.service-number {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-primary);
  opacity: 0.15;
  position: absolute;
  top: 1rem; right: 1.5rem;
  line-height: 1;
}

.service-icon {
  width: 52px; height: 52px;
  background: var(--color-primary-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  transition: transform var(--transition-base);
  color: var(--color-primary);
}
.service-icon svg { width: 26px; height: 26px; fill: currentColor; }
.service-card:hover .service-icon { transform: scale(1.1); }

.service-title {
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.service-description {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
}

/* Solution category tags */
.solution-category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
}
.solution-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-primary-glow);
  color: var(--color-primary-dark);
  border-radius: 50px;
  font-size: var(--font-size-xs);
  font-weight: 600;
}
.demo-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-primary);
  color: #0a0f1a;
  border-radius: 50px;
  font-size: var(--font-size-xs);
  font-weight: 700;
}

.service-link {
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
  transition: gap var(--transition-fast);
}
.service-link:hover { gap: 0.75rem; }
.service-link svg { transition: transform var(--transition-fast); }
.service-link:hover svg { transform: translateX(4px); }

/* Services More */
.services-more {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}
.services-all-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  font-weight: 600;
}

.service-mini-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  border-left: 3px solid var(--color-primary);
  transition: all var(--transition-base);
  border-top: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.service-mini-card:hover { box-shadow: var(--shadow-md); }
.service-mini-card h4 { color: var(--color-text-primary); font-size: var(--font-size-base); margin-bottom: var(--space-xs); }
.service-mini-card p { color: var(--color-text-secondary); font-size: var(--font-size-sm); margin: 0; }

/* ================================
   Flow Section
   ================================ */
.flow-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.flow-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  position: relative;
}
.step-number {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 230, 118, 0.3);
}
.step-number span {
  color: #0a0f1a;
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 800;
}
.step-number::after {
  content: '';
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: calc(var(--space-lg) + 16px);
  background: linear-gradient(to bottom, var(--color-primary), transparent);
}
.flow-step:last-child .step-number::after { display: none; }

.step-content { flex: 1; padding-top: 0.5rem; }
.step-title {
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
  font-weight: 700;
}
.step-desc {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
  line-height: 1.7;
}
.step-arrow { display: none; }

/* ================================
   Strengths Section
   ================================ */
.strengths-section { background: var(--color-bg-light); }

.strengths-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
.strength-item {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}
.strength-item:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 8px 32px rgba(0, 230, 118, 0.12);
}
.strength-number {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
  line-height: 1;
}
.strength-title {
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}
.strength-description {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin: 0;
  font-size: var(--font-size-sm);
}

/* ================================
   FAQ Section
   ================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base);
}
.faq-item:hover,
.faq-item.active { border-color: var(--color-primary); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-primary);
  transition: background var(--transition-fast);
}
.faq-question:hover { background: var(--color-bg-light); }

.faq-q-label {
  width: 32px; height: 32px;
  background: var(--color-primary);
  color: #0a0f1a;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}
.faq-q-text {
  flex: 1;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
}
.faq-toggle {
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}
.faq-question[aria-expanded="true"] .faq-toggle { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}
.faq-item.active .faq-answer { max-height: 500px; }

.faq-answer-inner {
  display: flex;
  gap: var(--space-md);
  padding: 0 var(--space-lg) var(--space-lg);
}
.faq-a-label {
  width: 32px; height: 32px;
  background: var(--color-bg-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}
.faq-answer-inner p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin: 0;
}

/* ================================
   Blog Grid
   ================================ */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
.blog-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.blog-content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.blog-meta {
  display: flex;
  gap: 0.75rem;
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}
.blog-category {
  color: var(--color-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.blog-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}
.blog-title a { color: var(--color-text-primary); transition: color var(--transition-fast); }
.blog-title a:hover { color: var(--color-primary); }
.blog-excerpt {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
  margin-bottom: var(--space-md);
  flex: 1;
}
.blog-link {
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
}
.blog-link:hover { gap: 0.75rem; }

/* ================================
   CTA Section
   ================================ */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #0a0f1a;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%; right: -30%;
  width: 80%; height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
  animation: ctaPulse 6s ease-in-out infinite;
}
@keyframes ctaPulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.2); opacity: 0.7; }
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}
.cta-title {
  color: #0a0f1a;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  margin-bottom: var(--space-md);
  font-weight: 800;
}
.cta-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xl);
  opacity: 0.85;
  line-height: 1.8;
  color: #1a2a1a;
}
.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ================================
   Page Top Button
   ================================ */
.page-top-btn {
  position: fixed;
  bottom: 2rem; right: 2rem;
  background: var(--color-bg-dark-card);
  color: var(--color-primary);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
  opacity: 0; visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  z-index: 900;
}
.page-top-btn.visible { opacity: 1; visibility: visible; }
.page-top-btn:hover {
  background: var(--color-primary);
  color: #0a0f1a;
  transform: translateY(-4px);
}
.page-top-text { font-size: 10px; font-weight: 700; letter-spacing: 1px; }
.page-top-arrow svg { display: block; }

/* ================================
   Footer
   ================================ */
.site-footer {
  background: #1e293b;
  color: var(--color-text-dark-sub);
  padding-top: var(--space-3xl);
}
.footer-widgets {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-dark);
}
.footer-company-info h4 {
  color: var(--color-text-white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
}
.footer-company-info p { margin-bottom: var(--space-sm); line-height: 1.8; }

.widget-title {
  color: var(--color-text-white);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-md);
  font-weight: 700;
}
.footer-menu { list-style: none; margin: 0; padding: 0; }
.footer-menu li { margin-bottom: var(--space-xs); }
.footer-menu a {
  color: var(--color-text-dark-sub);
  transition: color var(--transition-fast);
  font-size: var(--font-size-sm);
}
.footer-menu a:hover { color: var(--color-primary); }

.social-links { display: flex; gap: var(--space-sm); }
.social-link {
  width: 40px; height: 40px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-dark-sub);
  transition: all var(--transition-fast);
}
.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #0a0f1a;
}

.footer-bottom {
  padding: var(--space-lg) 0;
  background: rgba(0, 0, 0, 0.2);
  margin-top: var(--space-xl);
}
.footer-bottom-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
}
.copyright { font-size: var(--font-size-sm); color: var(--color-text-light); }
.footer-bottom-links a {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}
.footer-bottom-links a:hover { color: var(--color-primary); }

.footer-badge-dev {
  display: inline-block;
  font-size: 0.625rem;
  line-height: 1;
  padding: 2px 6px;
  margin-left: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-light);
  border: 1px solid var(--color-border-dark);
  border-radius: 3px;
  vertical-align: middle;
  letter-spacing: 0.05em;
}

/* ================================
   Animations
   ================================ */
.animate-fadeIn {
  opacity: 0;
  animation: fadeIn 0.6s ease forwards;
}
.animate-fadeInUp {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease forwards;
}
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeIn { to { opacity: 1; } }
@keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.animated { opacity: 1; transform: translateY(0); }

.no-content {
  text-align: center;
  color: var(--color-text-secondary);
  padding: var(--space-xl);
}

/* ================================
   Entry Content Headings
   ================================ */
.entry-content h2,
.entry-content h3,
.entry-content h4,
.entry-content h5,
.entry-content h6 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.entry-content h2 {
  position: relative;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, var(--color-bg-light) 0%, #e8edf2 100%);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: clamp(1.5rem, 3vw, 1.875rem);
}
.entry-content h2::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, var(--color-primary-glow) 0%, transparent 50%);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  pointer-events: none;
}

.entry-content h3 {
  position: relative;
  padding-bottom: 0.75rem;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  border-bottom: 2px solid var(--color-border);
}
.entry-content h3::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 80px; height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.entry-content h4 {
  position: relative;
  padding-left: 1.25rem;
  font-size: clamp(1.125rem, 2vw, 1.25rem);
}
.entry-content h4::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 8px;
  background: var(--color-primary);
  border-radius: 2px;
}

.entry-content h5 {
  padding-left: 1rem;
  font-size: 1.0625rem;
  font-weight: 600;
  border-left: 3px solid var(--color-primary-light);
}
.entry-content h6 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.entry-content h6::before {
  content: '■';
  margin-right: 0.5rem;
  color: var(--color-primary);
  font-size: 0.75em;
}

/* Entry Content Body */
.entry-content { line-height: 1.9; }
.entry-content p { margin-bottom: var(--space-md); }
.entry-content ul,
.entry-content ol { margin-bottom: var(--space-md); padding-left: 1.5rem; }
.entry-content li { margin-bottom: var(--space-xs); }

.entry-content blockquote {
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  background: var(--color-bg-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.entry-content pre {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: var(--color-bg-dark);
  border-radius: var(--radius-md);
  overflow-x: auto;
  color: #e0e0e0;
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-border-dark);
}
.entry-content code {
  padding: 0.2rem 0.4rem;
  background: var(--color-primary-glow);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--color-primary-dark);
}
.entry-content pre code { padding: 0; background: none; color: inherit; }

.entry-content table {
  width: 100%;
  margin: var(--space-md) 0;
  border-collapse: collapse;
}
.entry-content .table-wrapper {
  width: 100%;
  margin: var(--space-md) 0;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}
.entry-content .table-wrapper table {
  min-width: 640px;
  margin: 0;
}
.entry-content th,
.entry-content td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  text-align: left;
}
.entry-content th { background: var(--color-bg-light); font-weight: 600; }
.entry-content img { border-radius: var(--radius-md); margin: var(--space-md) 0; }

/* Page Template */
.page-template {
  padding: var(--space-2xl) 0;
  margin-top: 72px;
}
.page-template .container {
  max-width: 800px;
  margin: 0 auto;
}
.page-content {
  text-align: center;
}
.page-content .entry-header {
  margin-bottom: var(--space-2xl);
}
.page-content .entry-title {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  line-height: 1.35;
}
.page-content .entry-content {
  text-align: left;
  max-width: 700px;
  margin: 0 auto;
  font-size: var(--font-size-base);
  line-height: 2;
}
.page-content .entry-content p {
  margin-bottom: var(--space-md);
}
.page-content .entry-content h2 {
  text-align: center;
  margin-top: var(--space-2xl);
  font-size: var(--font-size-2xl);
}
.page-content .entry-content h3 {
  margin-top: var(--space-xl);
  font-size: var(--font-size-xl);
}
.page-content .entry-content table {
  margin: var(--space-md) auto;
}
.page-content .entry-content pre {
  text-align: left;
}

/* Service Page */
.service-page {
  padding: var(--space-2xl) 0;
  margin-top: 72px;
}
.service-page .container {
  max-width: 900px;
  margin: 0 auto;
}
.service-content .entry-header {
  margin-bottom: var(--space-2xl);
  text-align: center;
}
.service-content .entry-title {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  line-height: 1.35;
}
.service-content .entry-content {
  font-size: var(--font-size-base);
  line-height: 2;
}
.service-content .entry-content h2 {
  margin-top: var(--space-2xl);
  font-size: var(--font-size-2xl);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary);
}
.service-content .entry-content h3 {
  margin-top: var(--space-xl);
  font-size: var(--font-size-xl);
}
.service-content .entry-content p {
  margin-bottom: var(--space-md);
}

/* Single Post */
.single-post { padding: var(--space-2xl) 0; margin-top: 72px; }
.entry-header { margin-bottom: var(--space-xl); text-align: center; }
.entry-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-md);
  line-height: 1.4;
}
.entry-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}
.entry-meta time { color: var(--color-text-light); }
.category-link {
  background: var(--color-primary);
  color: #0a0f1a;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: var(--font-size-xs);
  font-weight: 700;
}
.entry-thumbnail {
  margin-bottom: var(--space-xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.entry-thumbnail img { width: 100%; height: auto; margin: 0; }
.entry-footer {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* ================================
   TOC
   ================================ */
.post-toc {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.post-toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}
.post-toc-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
}
.post-toc-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  color: var(--color-text-secondary);
  transition: transform var(--transition-fast);
  display: flex;
  align-items: center;
}
.post-toc-toggle[aria-expanded="false"] { transform: rotate(-90deg); }
.post-toc-nav[hidden] { display: none; }

.post-toc-list {
  list-style: none;
  padding: 0; margin: 0;
  counter-reset: toc-counter;
}
.post-toc-list li { margin-bottom: var(--space-xs); }
.post-toc-list li a {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  line-height: 1.5;
  border-left: 2px solid transparent;
}
.post-toc-list li a:hover {
  background: var(--color-primary-glow);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}
.toc-item-sub a {
  padding-left: var(--space-xl) !important;
  font-size: var(--font-size-xs) !important;
}

/* ================================
   折りたたみセクション（記事本文）
   ================================ */
.content-section-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
  background: none;
  border: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.content-section-icon {
  flex-shrink: 0;
  display: inline-flex;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}
.content-section-toggle[aria-expanded="false"] .content-section-icon {
  transform: rotate(-90deg);
}
.content-section-body[hidden] { display: none; }
.content-section-body {
  padding-top: var(--space-md);
  animation: section-fade var(--transition-base) ease;
}
@keyframes section-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ================================
   記事本文コンポーネント
   （旧コードブロックの置き換え：可読性向上）
   ================================ */

/* チェックリスト（課題の自己診断） */
.lf-checklist {
  list-style: none;
  margin: var(--space-md) 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}
.lf-checklist li {
  position: relative;
  margin: 0;
  padding: var(--space-md) var(--space-md) var(--space-md) 3.25rem;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  line-height: 1.6;
}
.lf-checklist li::before {
  content: '';
  position: absolute;
  left: 1.1rem;
  top: 1.05em;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
  background: #fff;
}

/* 2カラム情報ボックス（対応内容／メリット 等） */
.lf-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin: var(--space-md) 0;
}
.lf-col {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.lf-col-accent {
  background: var(--color-primary-glow);
  border-color: var(--color-primary-light);
}
.lf-col-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 var(--space-sm);
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: var(--color-primary-dark);
}
.lf-col-title::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 2px;
}
.lf-col ul { margin: 0; padding-left: 1.2rem; }
.lf-col li { margin-bottom: 0.35rem; }
.lf-col li:last-child { margin-bottom: 0; }

/* 活用事例カード（課題／解決策／効果） */
.lf-case {
  margin: var(--space-md) 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.lf-case-row { padding: var(--space-lg); }
.lf-case-row + .lf-case-row { border-top: 1px solid var(--color-border); }
.lf-case-label {
  display: inline-block;
  margin-bottom: var(--space-sm);
  padding: 0.2rem 0.7rem;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 999px;
}
.lf-case-row p { margin: 0; }
.lf-case-row ul { margin: 0; padding-left: 1.2rem; }
.lf-case-row li { margin-bottom: 0.25rem; }
.lf-case-problem .lf-case-label { background: #fef2f2; color: #b91c1c; }
.lf-case-solution .lf-case-label { background: var(--color-primary-glow); color: var(--color-primary-dark); }
.lf-case-result { background: #f0fdf4; }
.lf-case-result .lf-case-label { background: #dcfce7; color: #15803d; }

/* 記事図版・データ図解 */
.entry-content .lf-figure {
  margin: clamp(1.75rem, 4vw, 2.75rem) 0;
  padding: clamp(0.65rem, 2vw, 1rem);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  break-inside: avoid;
  overflow: hidden;
}
.entry-content .lf-figure-hero { padding: 0; }
.entry-content .lf-figure img {
  width: 100%;
  height: auto;
  margin: 0;
  border-radius: var(--radius-md);
}
.entry-content .lf-figure-hero img { border-radius: 0; }
.entry-content .lf-figure figcaption {
  margin-top: 0.75rem;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}
.entry-content .lf-figure-hero figcaption {
  margin: 0;
  padding: 0.85rem clamp(0.9rem, 2vw, 1.25rem);
  background: var(--color-bg-light);
}

/* 入力から人の確認までを示すパイプライン */
.lf-process-flow {
  list-style: none;
  display: grid;
  gap: 1.35rem;
  margin: 0;
  padding: 0;
}
.entry-content .lf-process-flow li {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: 1rem 0.8rem;
  text-align: center;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.lf-process-flow li:not(:last-child)::after {
  content: '↓';
  position: absolute;
  left: 50%;
  bottom: -1.3rem;
  z-index: 1;
  color: #047857;
  font-weight: 800;
  transform: translateX(-50%);
}
.lf-process-number {
  display: flex;
  width: 1.8rem;
  height: 1.8rem;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.55rem;
  color: #fff;
  background: #047857;
  border-radius: 50%;
  font-size: var(--font-size-xs);
  font-weight: 800;
}
.lf-process-flow strong,
.lf-process-flow small { display: block; }
.lf-process-flow strong {
  color: var(--color-text-primary);
  font-size: 0.95rem;
  line-height: 1.45;
}
.lf-process-flow small {
  margin-top: 0.3rem;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  line-height: 1.5;
}

/* 改善前後の指標比較 */
.lf-metric-chart {
  display: grid;
  gap: var(--space-lg);
}
.lf-metric-group {
  padding: 1rem;
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
}
.entry-content .lf-metric-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0 0 0.75rem;
}
.lf-metric-title strong { font-size: 1.05rem; }
.lf-metric-title span {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
}
.lf-metric-row {
  display: grid;
  grid-template-columns: 3.75rem minmax(0, 1fr) 2.75rem;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.65rem;
  font-size: var(--font-size-xs);
}
.lf-metric-row > strong {
  color: var(--color-text-primary);
  font-variant-numeric: tabular-nums;
}
.lf-metric-track {
  height: 0.8rem;
  overflow: hidden;
  background: #e2e8f0;
  border-radius: 999px;
}
.lf-metric-bar {
  display: block;
  width: var(--metric-value);
  height: 100%;
  border-radius: inherit;
}
.lf-metric-before {
  background: repeating-linear-gradient(135deg, #64748b 0 6px, #94a3b8 6px 12px);
}
.lf-metric-after {
  background: linear-gradient(90deg, #047857, #10b981);
}

/* 一意なIDを中心に据えた情報モデル図 */
.lf-hub-center {
  position: relative;
  max-width: 28rem;
  margin: 0 auto;
  padding: 1.1rem;
  text-align: center;
  color: #fff;
  background: #0f3d35;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.lf-hub-center span,
.lf-hub-center strong { display: block; }
.lf-hub-center span {
  color: #d1fae5;
  font-size: var(--font-size-xs);
  font-weight: 700;
}
.lf-hub-center strong {
  margin-top: 0.25rem;
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2.6vw, 1.1rem);
  letter-spacing: 0.03em;
}
.lf-hub-items {
  list-style: none;
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 0;
  padding: 0;
}
.entry-content .lf-hub-items li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.15rem 0.7rem;
  margin: 0;
  padding: 0.9rem;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-top: 3px solid #047857;
  border-radius: var(--radius-md);
}
.lf-hub-items li > span {
  grid-row: 1 / 3;
  color: #047857;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.lf-hub-items strong {
  color: var(--color-text-primary);
  font-size: 0.9rem;
}
.lf-hub-items small {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
}

/* 長い節の前に示す概要カード */
.lf-topic-grid {
  list-style: none;
  display: grid;
  gap: 0.75rem;
  margin: var(--space-md) 0 var(--space-lg);
  padding: 0;
}
.entry-content .lf-topic-grid > li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.15rem 0.75rem;
  margin: 0;
  padding: 1rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid #047857;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.lf-topic-grid span {
  grid-row: 1 / 3;
  display: flex;
  width: 1.8rem;
  height: 1.8rem;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: #047857;
  border-radius: 50%;
  font-size: var(--font-size-xs);
  font-weight: 800;
}
.lf-topic-grid strong {
  color: var(--color-text-primary);
  font-size: 0.95rem;
}
.lf-topic-grid small {
  color: var(--color-text-secondary);
  font-size: 0.78rem;
}

/* 技術発表・展示の根拠カード */
.lf-evidence-card {
  margin: var(--space-lg) 0;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: linear-gradient(135deg, #ecfdf5, #f8fafc);
  border: 1px solid #a7f3d0;
  border-left: 5px solid #047857;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.lf-evidence-badge {
  display: inline-block;
  margin-bottom: 0.65rem;
  padding: 0.2rem 0.7rem;
  color: #fff;
  background: #047857;
  border-radius: 999px;
  font-size: var(--font-size-xs);
  font-weight: 800;
}
.entry-content .lf-evidence-title {
  margin: 0 0 0.45rem;
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  font-weight: 800;
  line-height: 1.45;
}
.entry-content .lf-evidence-card p { margin-bottom: 0.65rem; }
.lf-evidence-card a {
  color: #065f46;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

@media (min-width: 640px) {
  .lf-topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lf-hub-items { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lf-metric-chart { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 800px) {
  .lf-process-flow { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .lf-process-flow li:not(:last-child)::after {
    content: '→';
    left: auto;
    right: -1.1rem;
    bottom: auto;
    top: 50%;
    transform: translateY(-50%);
  }
}

@media (min-width: 900px) {
  .lf-topic-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media print {
  .entry-content .lf-figure,
  .lf-evidence-card { break-inside: avoid; box-shadow: none; }
}


/* ステップ（進め方） */
.lf-steps {
  list-style: none;
  counter-reset: lf-step;
  margin: var(--space-md) 0;
  padding: 0;
  display: grid;
  gap: var(--space-lg);
}
.lf-steps li {
  position: relative;
  margin: 0;
  padding-left: 3.75rem;
  min-height: 2.5rem;
}
.lf-steps li::before {
  counter-increment: lf-step;
  content: counter(lf-step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  border-radius: 50%;
}
.lf-steps li:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 1.25rem;
  top: 2.75rem;
  height: calc(100% - 1.75rem);
  width: 2px;
  background: var(--color-border);
}
.lf-step-title { margin: 0 0 0.15rem; font-weight: 700; color: var(--color-text-primary); }
.lf-step-desc { margin: 0; color: var(--color-text-secondary); font-size: var(--font-size-sm); }

@media (min-width: 640px) {
  .lf-cols { grid-template-columns: repeat(2, 1fr); }
}

/* ================================
   SNS Share Buttons
   ================================ */
.post-share {
  margin: var(--space-xl) 0;
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}
.post-share-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  text-align: center;
}
.post-share-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  text-decoration: none;
  color: #fff;
  transition: all var(--transition-fast);
}
.share-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); color: #fff; }
.share-btn-x { background: #000; }
.share-btn-facebook { background: #1877f2; }
.share-btn-line { background: #06c755; }
.share-btn-hatena { background: #00a4de; }
.share-btn-copy { background: var(--color-text-secondary); cursor: pointer; border: none; }
.share-btn-copy.copied { background: var(--color-primary); }

.entry-tags { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm); }
.tags-label { font-weight: 600; color: var(--color-text-primary); }
.tag-link {
  background: var(--color-bg-light);
  color: var(--color-text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}
.tag-link:hover { background: var(--color-primary); color: #0a0f1a; }

/* ================================
   Breadcrumb
   ================================ */
.breadcrumb-wrapper {
  padding: var(--space-sm) 0;
  background: var(--color-bg-light);
  margin-top: 72px;
  border-bottom: 1px solid var(--color-border);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  font-size: var(--font-size-sm);
  margin: 0; padding: 0;
}
.breadcrumb-item { display: flex; align-items: center; gap: 0.5rem; }
.breadcrumb-item::after { content: '/'; color: var(--color-text-light); }
.breadcrumb-item:last-child::after { display: none; }
.breadcrumb-item a { color: var(--color-text-secondary); }
.breadcrumb-item a:hover { color: var(--color-primary); }
.breadcrumb-item.active { color: var(--color-text-primary); font-weight: 500; }

/* ================================
   Content Area
   ================================ */
.content-area {
  padding: var(--space-2xl) 0;
  background: var(--color-bg-primary);
  margin-top: 72px;
}
.front-page .content-area { margin-top: 0; }

/* ================================
   Page Hero
   ================================ */
.page-hero {
  position: relative;
  padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
  color: #fff;
  min-height: 300px;
  display: flex;
  align-items: center;
}
.page-hero-small {
  min-height: 250px;
  padding: calc(80px + var(--space-2xl)) 0 var(--space-2xl);
}
.page-hero-background {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--color-bg-dark);
}
.page-hero-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(0, 230, 118, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 50%, rgba(0, 188, 212, 0.06) 0%, transparent 50%);
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero-label {
  display: inline-block;
  color: var(--color-primary);
  font-size: clamp(0.75rem, 1.5vw, 0.9rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
.page-hero-title {
  color: var(--color-text-white);
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-sm);
}
.page-hero-description {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--color-text-dark-sub);
  white-space: pre-line;
}

/* ================================
   Contact Form
   ================================ */
.contact-form-wrapper {
  max-width: 700px;
  margin: 0 auto;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.form-honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.form-label {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}
.form-required {
  color: #ef4444;
  font-weight: 700;
}
.form-optional {
  margin-left: 0.4em;
  padding: 0.1em 0.55em;
  font-size: 0.72em;
  font-weight: 600;
  color: var(--color-text-secondary, #64748b);
  background: var(--color-bg-secondary, #f1f5f9);
  border-radius: 999px;
  vertical-align: middle;
}

/* 任意項目を横並びにする行（モバイルは縦積み・タブレット以上で2カラム） */
.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* ラベル行（ラベル＋記入例ボタンを左右に配置） */
.form-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.form-template-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.7rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary-dark);
  background: var(--color-primary-glow);
  border: 1px solid var(--color-primary-light);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.form-template-btn:hover {
  background: var(--color-primary-light);
  color: #fff;
}

/* 入力の補足ヒント */
.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* フォーム冒頭リード（必須項目の明示で記入のハードルを下げる） */
.contact-lead {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  line-height: 1.9;
}
.contact-lead strong { color: var(--color-primary-dark); }

/* フォーム下の参考情報（相談の流れ・FAQ など） */
.contact-reference {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-body);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}
.form-input.form-input-error,
.form-textarea.form-input-error {
  border-color: #ef4444;
}
.form-input.form-input-error:focus,
.form-textarea.form-input-error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23475569' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.form-textarea {
  resize: vertical;
  min-height: 150px;
}
.form-error {
  font-size: var(--font-size-xs);
  color: #ef4444;
  min-height: 1.2em;
}
.form-privacy {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.form-checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  cursor: pointer;
}
.form-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}
.form-checkbox-label a {
  color: var(--color-primary);
  text-decoration: underline;
}
.form-turnstile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}
.form-submit {
  text-align: center;
  margin-top: var(--space-md);
}
.form-submit-btn {
  min-width: 200px;
}
.form-submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.submit-loading {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.spinner {
  animation: spin 1s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 送信結果 */
.form-result {
  text-align: center;
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
}
.form-result-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
}
.form-result-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
}
.form-result-icon {
  margin-bottom: var(--space-md);
}
.form-result-success .form-result-icon svg {
  color: var(--color-primary);
}
.form-result-error .form-result-icon svg {
  color: #ef4444;
}
.form-result h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}
.form-result p {
  color: var(--color-text-secondary);
  line-height: 1.8;
}
.form-result-note {
  font-size: var(--font-size-sm);
  margin-top: var(--space-md);
}
.form-result .btn {
  margin-top: var(--space-lg);
}

/* ================================
   Accessibility
   ================================ */
.screen-reader-text {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  top: -100px; left: 0;
  background: var(--color-primary);
  color: #0a0f1a;
  padding: 1rem 2rem;
  text-decoration: none;
  z-index: 9999;
}
.skip-link:focus { top: 0; }
*:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* ================================
   Testimonials
   ================================ */
.testimonials-slider { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); }
.testimonial-card {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  border: 1px solid var(--color-border);
}
.testimonial-quote { position: absolute; top: var(--space-md); left: var(--space-md); color: var(--color-primary); }
.testimonial-text { font-size: var(--font-size-lg); line-height: 1.8; color: var(--color-text-primary); margin-bottom: var(--space-lg); padding-top: var(--space-md); }
.testimonial-author { display: flex; align-items: center; gap: var(--space-md); }
.author-info { display: flex; flex-direction: column; }
.author-name { font-weight: 600; color: var(--color-text-primary); }
.author-role { font-size: var(--font-size-sm); color: var(--color-text-secondary); }

/* ================================
   Solutions Grid
   ================================ */
.solutions-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); }
.solution-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}
.solution-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.solution-thumbnail { position: relative; height: 200px; overflow: hidden; }
.solution-thumbnail img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.solution-card:hover .solution-thumbnail img { transform: scale(1.05); }
.solution-content { padding: var(--space-lg); }
.solution-categories { display: flex; gap: 0.5rem; margin-bottom: var(--space-sm); }
.solution-category {
  background: var(--color-primary);
  color: #0a0f1a;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 700;
}
.solution-title { font-size: var(--font-size-lg); margin-bottom: var(--space-sm); }
.solution-title a { color: var(--color-text-primary); }
.solution-title a:hover { color: var(--color-primary); }
.solution-excerpt { color: var(--color-text-secondary); font-size: var(--font-size-sm); line-height: 1.7; margin-bottom: var(--space-md); }
.solution-link { color: var(--color-primary); font-weight: 600; display: inline-flex; align-items: center; gap: 0.5rem; font-size: var(--font-size-sm); }
.solution-link:hover { gap: 0.75rem; }

/* ================================
   Apps Grid
   ================================ */
.apps-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); }
.app-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}
.app-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.app-card-link { display: block; text-decoration: none; color: inherit; cursor: pointer; }
.app-card-image { position: relative; height: 200px; overflow: hidden; }
.app-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.app-card:hover .app-card-image img { transform: scale(1.05); }
.app-card-image-placeholder { width: 100%; height: 100%; background: var(--color-bg-light); display: flex; align-items: center; justify-content: center; }
.app-card-content { padding: var(--space-lg); }
.app-card-tech { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: var(--space-sm); }
.app-card-title { font-size: var(--font-size-lg); margin-bottom: var(--space-sm); }
.app-card-title a { color: var(--color-text-primary); }
.app-card-title a:hover { color: var(--color-primary); }
.app-card-description { color: var(--color-text-secondary); font-size: var(--font-size-sm); line-height: 1.7; margin-bottom: var(--space-md); }
.app-links { display: flex; align-items: center; gap: var(--space-md); }
.app-detail-link { color: var(--color-primary); font-weight: 600; display: inline-flex; align-items: center; gap: 0.5rem; font-size: var(--font-size-sm); }
.app-detail-link:hover { gap: 0.75rem; }
.app-external-link { color: var(--color-text-secondary); transition: color var(--transition-fast); }
.app-external-link:hover { color: var(--color-primary); }

/* Single Solution/App */
.solution-single-content,
.app-single-content { max-width: 900px; margin: 0 auto; }
.solution-technologies,
.app-technologies { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: var(--space-xl); }
.tech-tag { font-size: var(--font-size-sm); padding: 0.4rem 1rem; background: var(--color-primary); color: #0a0f1a; border-radius: 50px; font-weight: 600; }
.solution-main-content,
.app-description { margin-bottom: var(--space-2xl); }
.solution-main-content p,
.app-card-content p { line-height: 1.9; margin-bottom: var(--space-md); }

.solution-details-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); margin-top: var(--space-2xl); }
.solution-detail-card { background: var(--color-bg-light); border-radius: var(--radius-lg); padding: var(--space-xl); }
.solution-detail-icon { width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-md); }
.solution-detail-icon.challenge { background: #fee2e2; color: #dc2626; }
.solution-detail-icon.solution { background: #fef3c7; color: #d97706; }
.solution-detail-icon.result { background: #d1fae5; color: #059669; }
.solution-detail-title { font-size: var(--font-size-lg); font-weight: 600; margin-bottom: var(--space-sm); }
.solution-detail-text { color: var(--color-text-secondary); line-height: 1.8; }

.solution-navigation,
.app-navigation { display: flex; flex-direction: column; gap: var(--space-md); margin-top: var(--space-2xl); padding-top: var(--space-xl); border-top: 1px solid var(--color-border); }
.solution-nav-link,
.app-nav-link { display: block; padding: var(--space-md); background: var(--color-bg-light); border-radius: var(--radius-md); transition: background var(--transition-fast); }
.solution-nav-link:hover,
.app-nav-link:hover { background: var(--color-bg-primary); }
.nav-label { display: block; font-size: var(--font-size-xs); color: var(--color-text-secondary); margin-bottom: 0.25rem; }
.nav-title { display: block; font-weight: 600; color: var(--color-text-primary); }
.app-screenshot { margin-bottom: var(--space-xl); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.app-screenshot img { width: 100%; height: auto; }
.app-actions { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-top: var(--space-xl); }

/* ================================
   Service Detail Page (was services.css)
   ================================ */
.services-header {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
  padding: 4rem var(--container-padding) 3rem;
  text-align: center;
  margin-bottom: var(--space-2xl);
  position: relative;
  overflow: hidden;
}
.services-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(0, 230, 118, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(0, 188, 212, 0.08) 0%, transparent 50%);
}
.services-header .container { position: relative; z-index: 1; max-width: var(--container-max); margin: 0 auto; }
.services-header h1 { font-size: var(--font-size-4xl); margin-bottom: var(--space-md); color: var(--color-text-white); }
.services-header .description { font-size: var(--font-size-lg); max-width: 700px; margin: 0 auto; line-height: 1.8; color: var(--color-text-dark-sub); }

.service-detail-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}
.service-detail-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.service-detail-card .card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}
.service-detail-card .card-content { display: grid; gap: var(--space-xl); }

.service-icon-large {
  width: 80px; height: 80px; min-width: 80px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary-glow);
  border: 1px solid rgba(0, 230, 118, 0.2);
  border-radius: var(--radius-lg);
  font-size: 2.5rem;
  color: var(--color-primary);
  transition: all var(--transition-base);
}
.service-icon-large.icon-blue { background: rgba(0, 188, 212, 0.1); color: #00BCD4; border-color: rgba(0, 188, 212, 0.2); }
.service-icon-large.icon-brown { background: rgba(139, 69, 19, 0.1); color: #8B4513; border-color: rgba(139, 69, 19, 0.2); }
.service-icon-large.icon-gray { background: rgba(84, 110, 122, 0.1); color: #546E7A; border-color: rgba(84, 110, 122, 0.2); }
.service-detail-card:hover .service-icon-large { transform: scale(1.05); }

.service-detail-card .service-title-section { flex: 1; }
.service-detail-card h2 { font-size: var(--font-size-3xl); margin-bottom: var(--space-sm); line-height: 1.2; }
.service-detail-card .service-subtitle { font-size: var(--font-size-lg); color: var(--color-text-secondary); margin-bottom: var(--space-md); }
.service-detail-card .service-description { font-size: var(--font-size-base); color: var(--color-text-secondary); line-height: 1.8; }

.service-features {
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.service-features h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
  display: flex; align-items: center; gap: var(--space-sm);
}
.service-features h3::before {
  content: '✓';
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: var(--color-primary); color: #0a0f1a;
  border-radius: 50%; font-size: var(--font-size-sm); font-weight: bold;
}
.service-features ul { list-style: none; display: grid; gap: var(--space-sm); }
.service-features li { display: flex; align-items: flex-start; gap: var(--space-sm); padding: var(--space-xs) 0; font-size: var(--font-size-base); color: var(--color-text-secondary); }
.service-features li::before { content: '▸'; color: var(--color-primary); font-weight: bold; margin-top: 2px; }

.service-use-cases {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.service-use-cases h3 { font-size: var(--font-size-xl); margin-bottom: var(--space-md); display: flex; align-items: center; gap: var(--space-sm); }
.service-use-cases h3::before { content: '📋'; font-size: 1.5rem; }
.service-use-cases ul { list-style: none; display: grid; gap: var(--space-md); }
.service-use-cases li {
  padding: var(--space-md);
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
  transition: all var(--transition-fast);
}
.service-use-cases li:hover { transform: translateX(4px); box-shadow: var(--shadow-sm); }
.service-use-cases strong { color: var(--color-text-primary); display: block; margin-bottom: var(--space-xs); font-size: var(--font-size-lg); }

.tech-tags-large { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-md); }
.tech-tags-large h4 { width: 100%; font-size: var(--font-size-lg); margin-bottom: var(--space-xs); display: flex; align-items: center; gap: var(--space-sm); }
.tech-tags-large h4::before { content: '⚙️'; font-size: 1.25rem; }
.tech-tags-large .tech-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0.5rem 1rem;
  background: var(--color-bg-light);
  color: var(--color-text-primary);
  border-radius: 50px;
  font-size: var(--font-size-sm); font-weight: 500;
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}
.tech-tags-large .tech-tag:hover { background: var(--color-primary); color: #0a0f1a; border-color: var(--color-primary); transform: translateY(-2px); }
.tech-tags-large .tech-tag::before { content: '◆'; font-size: 0.6rem; opacity: 0.7; }

.service-pricing {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  color: #0a0f1a;
  position: relative;
  overflow: hidden;
}
.service-pricing::before {
  content: '';
  position: absolute;
  top: -50%; right: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: pricing-pulse 3s ease-in-out infinite;
}
@keyframes pricing-pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}
.service-pricing .pricing-content { position: relative; z-index: 1; }
.service-pricing h3 { font-size: var(--font-size-2xl); margin-bottom: var(--space-md); color: #0a0f1a; }
.service-pricing .price { font-size: var(--font-size-5xl); font-weight: 800; margin-bottom: var(--space-sm); display: block; }
.service-pricing .price-note { font-size: var(--font-size-sm); opacity: 0.8; margin-bottom: var(--space-lg); }
.service-pricing .pricing-features { text-align: left; max-width: 400px; margin: var(--space-lg) auto 0; background: rgba(255, 255, 255, 0.2); padding: var(--space-md); border-radius: var(--radius-md); }
.service-pricing .pricing-features ul { list-style: none; display: grid; gap: var(--space-xs); }
.service-pricing .pricing-features li { display: flex; align-items: center; gap: var(--space-sm); }
.service-pricing .pricing-features li::before {
  content: '✓';
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px;
  background: rgba(255, 255, 255, 0.9); color: var(--color-primary-dark);
  border-radius: 50%; font-weight: bold; font-size: 0.75rem;
}
.service-pricing .cta-button {
  display: inline-block;
  margin-top: var(--space-lg);
  padding: 1rem 2rem;
  background: #0a0f1a; color: var(--color-primary);
  border-radius: var(--radius-lg);
  font-weight: 700; font-size: var(--font-size-lg);
  transition: all var(--transition-base);
}
.service-pricing .cta-button:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

/* Service Process Timeline */
.service-process {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
}
.service-process h3 { font-size: var(--font-size-2xl); margin-bottom: var(--space-xl); text-align: center; }
.process-steps { display: grid; gap: var(--space-lg); }
.process-step {
  display: flex; align-items: flex-start; gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  border-left: 3px solid var(--color-primary);
}
.process-step:hover { transform: translateX(8px); box-shadow: var(--shadow-md); }
.process-step-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; min-width: 48px;
  background: var(--color-primary); color: #0a0f1a;
  border-radius: 50%; font-weight: 800; font-size: var(--font-size-xl);
}
.process-step-content h4 { font-size: var(--font-size-lg); margin-bottom: var(--space-xs); }
.process-step-content p { color: var(--color-text-secondary); margin: 0; line-height: 1.7; }

/* Services FAQ & CTA */
.services-faq { background: var(--color-bg-light); padding: var(--space-2xl) var(--container-padding); margin-top: var(--space-3xl); }
.services-faq .container { max-width: var(--container-max); margin: 0 auto; }
.services-faq h2 { font-size: var(--font-size-3xl); text-align: center; margin-bottom: var(--space-xl); }
.services-faq h2::before { content: '❓'; margin-right: var(--space-sm); }

.services-cta {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
  text-align: center;
  padding: var(--space-3xl) var(--container-padding);
  margin-top: var(--space-3xl);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}
.services-cta::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(0, 230, 118, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(0, 188, 212, 0.08) 0%, transparent 50%);
}
.services-cta .container { position: relative; z-index: 1; max-width: 800px; margin: 0 auto; }
.services-cta h2 { font-size: var(--font-size-4xl); margin-bottom: var(--space-md); color: var(--color-text-white); }
.services-cta p { font-size: var(--font-size-lg); margin-bottom: var(--space-xl); color: var(--color-text-dark-sub); line-height: 1.8; }
.services-cta .cta-buttons { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; }
.services-cta .btn-primary,
.services-cta .btn-secondary { padding: 1rem 2.5rem; border-radius: var(--radius-lg); font-weight: 600; font-size: var(--font-size-lg); display: inline-flex; align-items: center; gap: var(--space-sm); }
.services-cta .btn-primary { background: var(--color-primary); color: #0a0f1a; }
.services-cta .btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-glow); }
.services-cta .btn-secondary { background: transparent; color: var(--color-text-white); border: 2px solid rgba(255, 255, 255, 0.3); }
.services-cta .btn-secondary:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.6); }

/* ================================
   Pillar Page (was pillar.css)
   ================================ */
.pillar-hero {
  position: relative;
  padding: 8rem 0 4rem;
  color: #fff;
  overflow: hidden;
}
.pillar-hero-background {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, #1a2332 0%, #0f2027 50%, #1a3a2a 100%);
}
.pillar-hero-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.15);
}
.pillar-hero-pattern {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(0, 230, 118, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 188, 212, 0.08) 0%, transparent 50%);
}
.pillar-hero .container { position: relative; z-index: 1; }
.pillar-hero-content { max-width: 800px; margin: 0 auto; text-align: center; }
.pillar-hero-label {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: var(--color-primary-glow);
  border: 1px solid rgba(0, 230, 118, 0.3);
  border-radius: 50px;
  font-size: var(--font-size-sm); font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}
.pillar-hero-title { font-size: var(--font-size-4xl); font-weight: 800; margin-bottom: var(--space-md); color: var(--color-text-white); line-height: 1.2; }
.pillar-hero-description { font-size: var(--font-size-lg); line-height: 1.8; color: var(--color-text-dark-sub); margin-bottom: var(--space-lg); }
.pillar-hero-meta { display: flex; justify-content: center; gap: var(--space-lg); flex-wrap: wrap; }
.pillar-meta-item { display: inline-flex; align-items: center; gap: 0.5rem; font-size: var(--font-size-sm); color: var(--color-text-dark-sub); }
.pillar-meta-item svg { opacity: 0.8; }

/* Pillar TOC */
.pillar-toc-section { background: var(--color-bg-light); padding: var(--space-xl) 0; border-bottom: 1px solid var(--color-border); }
.pillar-toc-wrapper { max-width: 800px; margin: 0 auto; }
.pillar-toc { background: var(--color-bg-primary); border-radius: var(--radius-lg); padding: var(--space-lg); border: 1px solid var(--color-border); }
.pillar-toc-title { display: flex; align-items: center; gap: var(--space-sm); font-size: var(--font-size-xl); margin-bottom: var(--space-md); padding-bottom: var(--space-sm); border-bottom: 2px solid var(--color-primary); }
.pillar-toc-title svg { color: var(--color-primary); }
.pillar-toc-nav ul { list-style: none; display: grid; gap: var(--space-xs); }
.pillar-toc-nav li { margin: 0; }
.pillar-toc-nav li.toc-h2 { margin-top: var(--space-sm); }
.pillar-toc-nav li.toc-h2:first-child { margin-top: 0; }
.pillar-toc-nav li.toc-h3 { padding-left: var(--space-lg); }
.pillar-toc-nav a {
  display: block;
  padding: 0.75rem var(--space-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
}
.pillar-toc-nav li.toc-h2 > a { font-weight: 600; color: var(--color-text-primary); }
.pillar-toc-nav a:hover { background: var(--color-primary-glow); border-left-color: var(--color-primary); color: var(--color-primary); transform: translateX(4px); }

/* Pillar Content */
.pillar-content-section { padding: var(--space-2xl) 0; }
.pillar-content-wrapper { display: grid; gap: var(--space-2xl); max-width: 100%; }
.pillar-content { max-width: 800px; margin: 0 auto; }
.pillar-content h2 { font-size: var(--font-size-2xl); margin-top: var(--space-2xl); margin-bottom: var(--space-lg); padding-bottom: var(--space-sm); border-bottom: 3px solid var(--color-primary); position: relative; }
.pillar-content h2::before { content: ''; position: absolute; left: 0; bottom: -3px; width: 60px; height: 3px; background: var(--color-primary-dark); }
.pillar-content h3 { font-size: var(--font-size-xl); margin-top: var(--space-xl); margin-bottom: var(--space-md); padding-left: var(--space-md); border-left: 4px solid var(--color-primary); }
.pillar-content h4 { font-size: var(--font-size-lg); margin-top: var(--space-lg); margin-bottom: var(--space-sm); }
.pillar-content p { font-size: var(--font-size-base); line-height: 1.9; color: var(--color-text-secondary); margin-bottom: var(--space-md); }
.pillar-content strong { color: var(--color-text-primary); font-weight: 600; }
.pillar-content ul, .pillar-content ol { margin-bottom: var(--space-md); padding-left: var(--space-lg); }
.pillar-content li { margin-bottom: var(--space-xs); line-height: 1.8; color: var(--color-text-secondary); }
.pillar-content ul li::marker { color: var(--color-primary); }

.pillar-content table { width: 100%; border-collapse: collapse; margin-bottom: var(--space-lg); background: var(--color-bg-primary); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border); }
.pillar-content th { background: var(--color-bg-dark); color: var(--color-text-white); font-weight: 600; padding: var(--space-sm) var(--space-md); text-align: left; }
.pillar-content td { padding: var(--space-sm) var(--space-md); border-bottom: 1px solid var(--color-border); color: var(--color-text-secondary); }
.pillar-content tr:last-child td { border-bottom: none; }
.pillar-content tr:nth-child(even) { background: var(--color-bg-light); }

.pillar-content pre, .pillar-content code { font-family: var(--font-mono); }
.pillar-content code { background: var(--color-primary-glow); padding: 0.2rem 0.5rem; border-radius: var(--radius-sm); font-size: 0.9em; color: var(--color-primary-dark); }
.pillar-content pre { background: var(--color-bg-dark); color: #e0e0e0; padding: var(--space-lg); border-radius: var(--radius-md); overflow-x: auto; margin-bottom: var(--space-lg); border-left: 4px solid var(--color-primary); }
.pillar-content pre code { background: transparent; padding: 0; color: inherit; font-size: var(--font-size-sm); line-height: 1.6; }
.pillar-content blockquote { background: var(--color-primary-glow); border-left: 4px solid var(--color-primary); padding: var(--space-lg); margin: var(--space-lg) 0; border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.pillar-content blockquote p { color: var(--color-text-primary); font-weight: 500; margin-bottom: 0; }
.pillar-content a { color: var(--color-primary-dark); text-decoration: underline; text-decoration-color: var(--color-primary-light); text-underline-offset: 3px; transition: all var(--transition-fast); }
.pillar-content a:hover { color: var(--color-primary); text-decoration-color: var(--color-primary); }
.pillar-content hr { border: none; height: 2px; background: linear-gradient(90deg, var(--color-primary), transparent); margin: var(--space-2xl) 0; }

/* Pillar Sidebar */
.pillar-sidebar { display: none; }
.pillar-sidebar-sticky { position: sticky; top: 100px; display: grid; gap: var(--space-lg); }
.pillar-progress-card { background: var(--color-bg-primary); border-radius: var(--radius-lg); padding: var(--space-lg); border: 1px solid var(--color-border); }
.pillar-progress-card h3 { font-size: var(--font-size-base); margin-bottom: var(--space-sm); }
.pillar-progress-bar { height: 6px; background: var(--color-bg-light); border-radius: 3px; overflow: hidden; margin-bottom: var(--space-xs); }
.pillar-progress-fill { height: 100%; background: linear-gradient(90deg, var(--color-primary), var(--color-accent-start)); border-radius: 3px; width: 0%; transition: width 0.3s ease; }
.pillar-progress-text { font-size: var(--font-size-sm); color: var(--color-text-secondary); }

.pillar-related-card { background: var(--color-bg-primary); border-radius: var(--radius-lg); padding: var(--space-lg); border: 1px solid var(--color-border); }
.pillar-related-card h3 { font-size: var(--font-size-base); margin-bottom: var(--space-md); padding-bottom: var(--space-sm); border-bottom: 2px solid var(--color-primary); }
.pillar-related-list { list-style: none; display: grid; gap: var(--space-xs); }
.pillar-related-list a { display: block; padding: 0.5rem 0; color: var(--color-text-secondary); font-size: var(--font-size-sm); transition: all var(--transition-fast); border-left: 2px solid transparent; padding-left: var(--space-sm); }
.pillar-related-list a:hover { color: var(--color-primary); border-left-color: var(--color-primary); transform: translateX(4px); }

.pillar-cta-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  color: #0a0f1a;
  text-align: center;
}
.pillar-cta-card h3 { font-size: var(--font-size-lg); margin-bottom: var(--space-sm); color: #0a0f1a; }
.pillar-cta-card p { font-size: var(--font-size-sm); opacity: 0.85; margin-bottom: var(--space-md); color: #1a2a1a; }
.pillar-cta-card .btn { background: #0a0f1a; color: var(--color-primary); display: inline-flex; align-items: center; gap: 0.5rem; }
.pillar-cta-card .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* Pillar Related/Bottom */
.pillar-related-section { background: var(--color-bg-light); padding: var(--space-2xl) 0; }
.pillar-related-section .section-title { font-size: var(--font-size-2xl); text-align: center; margin-bottom: var(--space-xl); }
.pillar-articles-grid { display: grid; gap: var(--space-lg); grid-template-columns: 1fr; }
.pillar-article-card { background: var(--color-bg-primary); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border); transition: all var(--transition-base); }
.pillar-article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pillar-article-card a { display: block; text-decoration: none; }
.pillar-article-thumbnail { aspect-ratio: 16/9; overflow: hidden; }
.pillar-article-thumbnail img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-base); }
.pillar-article-card:hover .pillar-article-thumbnail img { transform: scale(1.05); }
.pillar-article-content { padding: var(--space-md); }
.pillar-article-content h3 { font-size: var(--font-size-base); margin-bottom: var(--space-xs); line-height: 1.4; }
.pillar-article-date { font-size: var(--font-size-xs); color: var(--color-text-light); }

.pillar-bottom-cta {
  background: var(--color-bg-dark);
  padding: var(--space-3xl) 0;
  color: var(--color-text-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.pillar-bottom-cta::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(circle at 30% 70%, rgba(0, 230, 118, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(0, 188, 212, 0.08) 0%, transparent 50%);
}
.pillar-bottom-cta-content { position: relative; z-index: 1; max-width: 600px; margin: 0 auto; }
.pillar-bottom-cta h2 { font-size: var(--font-size-3xl); margin-bottom: var(--space-md); color: var(--color-text-white); }
.pillar-bottom-cta p { font-size: var(--font-size-lg); color: var(--color-text-dark-sub); margin-bottom: var(--space-xl); line-height: 1.8; }
.pillar-cta-buttons { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; }

/* ================================
   DX / Security (was dx-security.css)
   ================================ */
.obf-name { direction: rtl; unicode-bidi: bidi-override; display: inline-block; }

.policy-preamble { max-width: 800px; margin: 0 auto var(--space-xl); padding: var(--space-lg); background: var(--color-bg-light); border-radius: var(--radius-md); border-left: 4px solid var(--color-primary); }
.policy-preamble p { font-size: var(--font-size-lg); line-height: 1.9; color: var(--color-text-primary); margin: 0; }
.policy-items { max-width: 800px; margin: 0 auto var(--space-xl); }
.policy-item { display: flex; gap: var(--space-md); padding: var(--space-lg) 0; border-bottom: 1px solid var(--color-border); }
.policy-item:last-child { border-bottom: none; }
.policy-item-number {
  flex-shrink: 0; width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #0a0f1a; font-family: var(--font-heading); font-size: var(--font-size-lg); font-weight: 800;
  border-radius: 50%;
}
.policy-item-content { flex: 1; }
.policy-item-title { font-size: var(--font-size-xl); font-weight: 700; margin-bottom: var(--space-xs); }
.policy-item-content p { font-size: var(--font-size-base); line-height: 1.8; color: var(--color-text-secondary); margin: 0; }

.policy-footer { max-width: 800px; margin: 0 auto var(--space-xl); }
.policy-meta-table { width: 100%; max-width: 500px; margin-left: auto; border-collapse: collapse; }
.policy-meta-table th, .policy-meta-table td { padding: var(--space-sm) var(--space-md); text-align: left; border-bottom: 1px solid var(--color-border); }
.policy-meta-table th { width: 130px; font-weight: 600; background: var(--color-bg-light); }
.policy-meta-table td { color: var(--color-text-secondary); }

.security-action-badge { max-width: 800px; margin: 0 auto; padding: var(--space-xl); background: var(--color-bg-light); border-radius: var(--radius-md); text-align: center; }
.badge-text { font-size: var(--font-size-base); line-height: 1.8; margin-bottom: var(--space-md); }
.badge-logo-area { display: flex; justify-content: center; align-items: center; }
.security-action-logo { max-width: 200px; height: auto; }
.badge-placeholder { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; padding: var(--space-md) var(--space-xl); border: 2px dashed var(--color-border); border-radius: var(--radius-md); color: var(--color-text-secondary); font-weight: 600; }
.badge-stars { font-size: 2rem; color: #FFD700; }
.badge-placeholder-note { font-size: var(--font-size-xs); font-weight: 400; color: var(--color-text-light); }

/* DX Page */
.dx-experience-block { max-width: 800px; margin: 0 auto; }
.dx-experience-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; }
.dx-experience-list li { position: relative; padding: var(--space-sm) var(--space-sm) var(--space-sm) 2.5em; border-bottom: 1px solid var(--color-border); font-size: var(--font-size-base); line-height: 1.8; }
.dx-experience-list li:last-child { border-bottom: none; }
.dx-experience-list li::before { content: ''; position: absolute; left: 0.75em; top: calc(var(--space-sm) + 0.55em); width: 10px; height: 10px; background: var(--color-primary); border-radius: 50%; }

.dx-message-block { max-width: 800px; margin: 0 auto; }
.dx-message-content { padding: var(--space-xl); background: var(--color-bg-light); border-radius: var(--radius-md); border-left: 4px solid var(--color-primary); }
.dx-message-content p { font-size: var(--font-size-base); line-height: 2; margin-bottom: var(--space-md); }
.dx-message-content p:last-of-type { margin-bottom: var(--space-lg); }
.dx-message-signature { display: flex; flex-direction: column; align-items: flex-end; gap: 0.25rem; padding-top: var(--space-md); border-top: 1px solid var(--color-border); }
.signature-company { font-size: var(--font-size-sm); color: var(--color-text-secondary); }
.signature-title { font-size: var(--font-size-sm); color: var(--color-text-secondary); }
.signature-name { font-size: var(--font-size-xl); font-weight: 700; }

.dx-vision-block, .dx-strategy-block, .dx-system-block { max-width: 900px; margin: 0 auto; }
.dx-vision-block p, .dx-strategy-block p { font-size: var(--font-size-base); line-height: 1.9; color: var(--color-text-secondary); margin-bottom: var(--space-md); }
.dx-subsection-title { font-size: var(--font-size-xl); font-weight: 700; margin-top: var(--space-xl); margin-bottom: var(--space-md); padding-left: var(--space-sm); border-left: 3px solid var(--color-primary); }

.dx-cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); margin-top: var(--space-lg); }
.dx-card { background: var(--color-bg-primary); padding: var(--space-lg); border-radius: var(--radius-md); border: 1px solid var(--color-border); transition: box-shadow var(--transition-base), transform var(--transition-base); }
.dx-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.dx-card-number { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: var(--color-primary); color: #0a0f1a; font-family: var(--font-heading); font-size: var(--font-size-base); font-weight: 800; border-radius: 50%; margin-bottom: var(--space-sm); }
.dx-card-number svg { stroke: #0a0f1a; }
.dx-card-title { font-size: var(--font-size-lg); font-weight: 700; margin-bottom: var(--space-xs); }
.dx-card p { font-size: var(--font-size-sm); line-height: 1.8; color: var(--color-text-secondary); margin: 0; }

.dx-strategy-items { display: flex; flex-direction: column; gap: var(--space-lg); margin-top: var(--space-lg); }
.dx-strategy-item { display: flex; gap: var(--space-md); padding: var(--space-lg); background: var(--color-bg-light); border-radius: var(--radius-md); }
.dx-strategy-icon { flex-shrink: 0; width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; background: var(--color-primary); border-radius: 50%; color: #0a0f1a; }
.dx-strategy-icon svg { stroke: #0a0f1a; }
.dx-strategy-content { flex: 1; }
.dx-strategy-content h4 { font-size: var(--font-size-lg); font-weight: 700; margin-bottom: var(--space-sm); }
.dx-strategy-content ul { list-style: none; padding: 0; margin: 0; }
.dx-strategy-content ul li { position: relative; padding-left: 1.5em; margin-bottom: 0.5em; font-size: var(--font-size-sm); line-height: 1.7; color: var(--color-text-secondary); }
.dx-strategy-content ul li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 8px; height: 8px; background: var(--color-primary); border-radius: 50%; }

.dx-kpi-block { max-width: 900px; margin: 0 auto; }
.dx-kpi-intro { font-size: var(--font-size-base); line-height: 1.8; color: var(--color-text-secondary); margin-bottom: var(--space-lg); text-align: center; }
.dx-kpi-table-wrapper { overflow-x: auto; }
.dx-kpi-table { width: 100%; border-collapse: collapse; background: var(--color-bg-primary); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border); }
.dx-kpi-table thead { background: var(--color-bg-dark); color: var(--color-text-white); }
.dx-kpi-table th { padding: var(--space-sm) var(--space-md); font-size: var(--font-size-sm); font-weight: 600; text-align: left; white-space: nowrap; }
.dx-kpi-table td { padding: var(--space-sm) var(--space-md); font-size: var(--font-size-sm); line-height: 1.6; color: var(--color-text-secondary); border-bottom: 1px solid var(--color-border); }
.dx-kpi-category { font-weight: 600; color: var(--color-text-primary); background: var(--color-bg-light); vertical-align: middle; }

.dx-roadmap-block { max-width: 800px; margin: 0 auto; }
.dx-roadmap-timeline { position: relative; padding-left: 2rem; }
.dx-roadmap-timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-dark)); border-radius: 2px; }
.dx-roadmap-item { position: relative; padding-bottom: var(--space-xl); }
.dx-roadmap-item:last-child { padding-bottom: 0; }
.dx-roadmap-item::before { content: ''; position: absolute; left: -2rem; top: 0.5rem; width: 14px; height: 14px; background: var(--color-primary); border: 3px solid var(--color-bg-primary); border-radius: 50%; box-shadow: 0 0 0 3px var(--color-primary); transform: translateX(calc(-50% + 1.5px)); }
.dx-roadmap-period { display: inline-block; font-family: var(--font-heading); font-size: var(--font-size-sm); font-weight: 700; color: var(--color-primary-dark); letter-spacing: 0.05em; margin-bottom: 0.25rem; }
.dx-roadmap-year { display: block; font-size: var(--font-size-xs); font-weight: 400; color: var(--color-text-light); letter-spacing: 0; }
.dx-roadmap-content { background: var(--color-bg-light); padding: var(--space-md) var(--space-lg); border-radius: var(--radius-md); margin-top: var(--space-xs); }
.dx-roadmap-content h4 { font-size: var(--font-size-lg); font-weight: 700; margin-bottom: var(--space-sm); }
.dx-roadmap-content ul { list-style: none; padding: 0; margin: 0; }
.dx-roadmap-content ul li { position: relative; padding-left: 1.5em; margin-bottom: 0.4em; font-size: var(--font-size-sm); line-height: 1.7; color: var(--color-text-secondary); }
.dx-roadmap-content ul li::before { content: '\2713'; position: absolute; left: 0; color: var(--color-primary); font-weight: 700; }

.dx-cert-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); max-width: 800px; margin: 0 auto; }
.dx-cert-card { background: var(--color-bg-primary); padding: var(--space-xl); border-radius: var(--radius-md); border: 1px solid var(--color-border); text-align: center; transition: box-shadow var(--transition-base); }
.dx-cert-card:hover { box-shadow: var(--shadow-lg); }
.dx-cert-logo-area { min-height: 120px; display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-md); }
.dx-cert-logo { max-width: 160px; height: auto; }
.dx-cert-placeholder { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; padding: var(--space-md) var(--space-lg); border: 2px dashed var(--color-border); border-radius: var(--radius-md); color: var(--color-text-secondary); font-weight: 600; }
.dx-cert-stars { font-size: 1.5rem; color: #FFD700; }
.dx-cert-placeholder-note { font-size: var(--font-size-xs); font-weight: 400; color: var(--color-text-light); }
.dx-cert-card h4 { font-size: var(--font-size-lg); font-weight: 700; margin-bottom: var(--space-xs); }
.dx-cert-card p { font-size: var(--font-size-sm); line-height: 1.7; color: var(--color-text-secondary); margin-bottom: var(--space-sm); }
.dx-cert-link { display: inline-block; font-size: var(--font-size-sm); font-weight: 600; color: var(--color-primary); }
.dx-cert-link:hover { color: var(--color-primary-dark); }

/* ================================
   Service Detail Number & Page
   ================================ */
.services-detail-grid { display: grid; gap: var(--space-xl); }
.service-detail-icon {
  width: 80px; height: 80px;
  background: var(--color-primary-glow);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
}
.service-detail-number { font-size: var(--font-size-4xl); font-weight: 800; color: var(--color-primary); opacity: 0.3; }

/* Sidebar Layout */
.has-sidebar { display: block; }
.has-sidebar.sidebar-left { display: block; }

/* ================================================================
   RESPONSIVE STYLES
   ================================================================ */

/* ================================
   Mobile (max 767px)
   ================================ */
@media (max-width: 767px) {
  .header-inner { padding: 0.75rem 0; min-height: 60px; gap: 0.75rem; }
  .site-branding { max-width: 60%; }
  .site-branding .custom-logo,
  .site-branding .custom-logo-link img,
  .site-branding img { width: auto; max-width: 180px; height: 40px; max-height: none; object-fit: contain; }
  .header-cta { display: none; }
  .header-right { display: none; }

  .hero-section { min-height: 100vh; min-height: 100svh; padding: calc(80px + var(--space-2xl)) var(--container-padding) var(--space-xl); }
  .hero-title { font-size: clamp(1.5rem, 7vw, 2.25rem); margin-bottom: var(--space-md); line-height: 1.3; word-break: keep-all; overflow-wrap: break-word; }
  .hero-subtitle { font-size: clamp(0.75rem, 3vw, 0.95rem); letter-spacing: 0.1em; }
  .hero-description { font-size: 0.9rem; line-height: 1.8; }
  .hero-cta { flex-direction: column; align-items: center; gap: 0.75rem; }
  .hero-cta .btn { width: 100%; max-width: 300px; padding: 0.875rem 1.5rem; font-size: 0.95rem; }
  .hero-scroll-indicator { display: none; }

  .section { padding: var(--space-xl) 0; }
  .section-title { font-size: clamp(1.5rem, 6vw, 2rem); }
  .section-label { font-size: 0.7rem; letter-spacing: 0.15em; }
  .section-subtitle { font-size: 0.95rem; line-height: 1.8; }

  .problems-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .problem-card { padding: var(--space-md); }
  .problem-icon { width: 44px; height: 44px; }
  .problem-text { font-size: 0.9rem; line-height: 1.7; }

  .flow-steps { gap: var(--space-md); }
  .step-number { width: 48px; height: 48px; }
  .step-number span { font-size: var(--font-size-sm); }

  .faq-question { padding: var(--space-md); }
  .faq-q-text { font-size: var(--font-size-base); line-height: 1.7; }

  .testimonial-card { padding: var(--space-lg); }
  .testimonial-text { font-size: var(--font-size-base); }

  .cta-section { padding: var(--space-xl) 0; }
  .cta-title { font-size: clamp(1.4rem, 5vw, 1.85rem); }
  .cta-description { font-size: var(--font-size-base); line-height: 1.8; }

  .page-top-btn { bottom: 1rem; right: 1rem; padding: 0.5rem 0.75rem; }
  .page-top-text { font-size: 8px; }

  .service-card, .strength-item, .blog-content { padding: var(--space-md); }
  .service-description { font-size: var(--font-size-sm); line-height: 1.75; }
  .blog-excerpt { font-size: var(--font-size-sm); line-height: 1.75; }
  .strength-description { font-size: var(--font-size-sm); line-height: 1.75; }

  .entry-title { font-size: var(--font-size-2xl); }
  .entry-content { font-size: var(--font-size-base); line-height: 1.9; }
  .entry-content h2 { font-size: var(--font-size-xl); }
  .entry-content h3 { font-size: var(--font-size-lg); }

  .mobile-menu { width: 100%; right: -100%; }

  .pagination a, .pagination span { min-width: 40px; height: 40px; padding: 0 0.5rem; font-size: var(--font-size-sm); }

  .policy-preamble { padding: var(--space-md); }
  .policy-preamble p { font-size: var(--font-size-base); }
  .policy-item { flex-direction: column; gap: var(--space-sm); }
  .policy-item-number { width: 40px; height: 40px; font-size: var(--font-size-base); }
  .policy-meta-table th { width: 100px; }

  .dx-message-content { padding: var(--space-md); }
  .dx-cards-grid { grid-template-columns: 1fr; }
  .dx-strategy-item { flex-direction: column; gap: var(--space-sm); }
  .dx-strategy-icon { width: 48px; height: 48px; }
  .dx-strategy-icon svg { width: 24px; height: 24px; }
  .dx-kpi-table th, .dx-kpi-table td { padding: var(--space-xs) var(--space-sm); font-size: var(--font-size-xs); }
  .dx-cert-grid { grid-template-columns: 1fr; }
  .dx-roadmap-timeline { padding-left: 1.5rem; }
}

/* ================================
   Landscape Mobile
   ================================ */
@media (max-width: 767px) and (orientation: landscape) {
  .hero-section { min-height: 400px; padding: calc(64px + var(--space-md)) var(--container-padding) var(--space-md); }
  .hero-title { font-size: var(--font-size-2xl); }
  .hero-description { font-size: var(--font-size-base); }
}

/* ================================
   Small Mobile (max 480px)
   ================================ */
@media (max-width: 480px) {
  :root { --container-padding: 1.15rem; }
  .site-logo { font-size: var(--font-size-lg); }
  .site-logo img { height: 36px; }
  .hero-section { min-height: 450px; padding: calc(70px + var(--space-xl)) var(--container-padding) var(--space-xl); }
  .hero-cta .btn { width: 100%; min-width: auto; }
  .service-icon { width: 44px; height: 44px; }
  .service-icon svg { width: 22px; height: 22px; }
  .cta-buttons .btn { width: 100%; min-width: auto; }
}

/* ================================
   Tablet (768px+)
   ================================ */
@media (min-width: 768px) {
  :root { --container-padding: 2rem; }

  .menu-toggle { display: none; }
  .main-navigation { display: flex; }
  .header-business-hours { display: block; }
  .header-phone { display: flex; }
  .header-right { display: flex; }

  .site-branding .custom-logo,
  .site-branding .custom-logo-link img,
  .site-branding img { width: clamp(180px, 20vw, 280px); max-height: 70px; }

  .section { padding: clamp(4rem, 8vw, 6rem) 0; }
  .section-header { margin-bottom: clamp(2rem, 4vw, 3rem); }

  .hero-section { min-height: 600px; }
  .hero-cta { gap: 1.5rem; }
  .hero-cta .btn { min-width: 200px; padding: 1rem 2.5rem; font-size: var(--font-size-lg); }

  .problems-grid { grid-template-columns: repeat(3, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .services-more { grid-template-columns: repeat(3, 1fr); }
  .strengths-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-widgets { grid-template-columns: repeat(3, 1fr); }
  .footer-bottom-inner { flex-direction: row; justify-content: space-between; }
  .testimonials-slider { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .apps-grid { grid-template-columns: repeat(2, 1fr); }

  .flow-steps { flex-direction: row; justify-content: space-between; gap: var(--space-sm); }
  .flow-step { flex-direction: column; align-items: center; text-align: center; flex: 1; }
  .step-number::after { display: none; }
  .step-arrow { display: block; position: absolute; right: -1.5rem; top: 50%; transform: translateY(-50%); color: var(--color-primary); opacity: 0.4; }
  .flow-step:last-child .step-arrow { display: none; }

  .cta-buttons { gap: 1.5rem; }
  .cta-buttons .btn { min-width: 200px; padding: 1rem 2.5rem; font-size: var(--font-size-lg); }

  .entry-header { margin-bottom: var(--space-2xl); text-align: center; }
  .entry-title { font-size: var(--font-size-4xl); }
  .entry-content { font-size: var(--font-size-lg); line-height: 2; max-width: 800px; margin: 0 auto; }
  .entry-content h2 { font-size: var(--font-size-2xl); }
  .entry-content h3 { font-size: var(--font-size-xl); }

  .form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
  .form-row .form-group { margin-bottom: 0; }

  .solution-details-grid { grid-template-columns: repeat(3, 1fr); }
  .solution-navigation, .app-navigation { flex-direction: row; justify-content: space-between; align-items: center; }
  .solution-nav-prev, .app-nav-prev { flex: 1; text-align: left; }
  .solution-nav-next, .app-nav-next { flex: 1; text-align: right; }

  /* Service Detail Tablet */
  .services-header { padding: 5rem var(--container-padding) 4rem; }
  .services-header h1 { font-size: var(--font-size-5xl); }
  .service-detail-card { padding: var(--space-3xl); }
  .service-detail-card .card-content { grid-template-columns: repeat(2, 1fr); }
  .service-use-cases { grid-column: 1 / -1; }
  .tech-tags-large { grid-column: 1 / -1; }
  .service-pricing { grid-column: 1 / -1; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }

  /* Pillar Tablet */
  .pillar-hero { padding: 9rem 0 5rem; }
  .pillar-hero-title { font-size: var(--font-size-5xl); }
  .pillar-toc-nav ul { grid-template-columns: repeat(2, 1fr); }
  .pillar-articles-grid { grid-template-columns: repeat(2, 1fr); }

  .dx-cards-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ================================
   Desktop (1024px+)
   ================================ */
@media (min-width: 1024px) {
  :root { --container-padding: 3rem; }

  .hero-section { min-height: 700px; }
  .hero-cta .btn { min-width: 220px; padding: 1.125rem 3rem; font-size: var(--font-size-xl); }

  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .strengths-grid { grid-template-columns: repeat(4, 1fr); }
  .blog-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials-slider { grid-template-columns: repeat(3, 1fr); }
  .solutions-grid { grid-template-columns: repeat(3, 1fr); }
  .apps-grid { grid-template-columns: repeat(3, 1fr); }

  .entry-content { max-width: 900px; }
  .entry-content h2 { margin-top: var(--space-2xl); }
  .entry-header { margin-bottom: var(--space-3xl); }
  .entry-title { font-size: var(--font-size-5xl); }

  .has-sidebar { display: grid; grid-template-columns: 1fr 320px; gap: var(--space-2xl); }
  .has-sidebar.sidebar-left { grid-template-columns: 320px 1fr; }

  /* Service Detail Desktop */
  .services-header { padding: 6rem var(--container-padding) 5rem; }
  .service-detail-card .card-header { gap: var(--space-2xl); }
  .service-icon-large { width: 100px; height: 100px; min-width: 100px; font-size: 3rem; }
  .service-detail-card h2 { font-size: var(--font-size-4xl); }
  .service-features ul { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(3, 1fr); }

  /* Pillar Desktop */
  .pillar-hero { padding: 10rem 0 6rem; }
  .pillar-content-wrapper { grid-template-columns: 1fr 300px; max-width: 1200px; margin: 0 auto; }
  .pillar-content { max-width: none; }
  .pillar-sidebar { display: block; }
  .pillar-toc-nav ul { grid-template-columns: 1fr; }
  .pillar-articles-grid { grid-template-columns: repeat(3, 1fr); }
  .pillar-content h2 { font-size: var(--font-size-3xl); }
}

/* ================================
   Large Desktop (1280px+)
   ================================ */
@media (min-width: 1280px) {
  .hero-section { min-height: 800px; }
  .container { padding: 0 var(--space-xl); }
  .container-wide { padding: 0 var(--space-xl); }
  .has-sidebar { grid-template-columns: 1fr 360px; gap: var(--space-3xl); }
  .has-sidebar.sidebar-left { grid-template-columns: 360px 1fr; }
}

/* ================================
   Extra Large (1440px+)
   ================================ */
@media (min-width: 1440px) {
  .hero-section { min-height: 850px; }
  .section { padding: 6rem 0; }
  .entry-content { max-width: 1000px; }
}

/* ================================
   Hover Support
   ================================ */
@media (hover: hover) and (pointer: fine) {
  .service-card:hover, .solution-card:hover, .blog-card:hover { transform: translateY(-8px); }
  .service-link:hover, .blog-link:hover { gap: 1rem; }
}

@media (hover: none) {
  .service-card:hover, .solution-card:hover, .blog-card:hover, .strength-item:hover { transform: none; }
  .btn, .pagination a, .pagination span, button { min-height: 48px; }
}

/* ================================
   Tablet Portrait
   ================================ */
@media (min-width: 768px) and (max-width: 1023px) and (orientation: portrait) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .strengths-grid { grid-template-columns: repeat(2, 1fr); }
  .problems-grid { grid-template-columns: repeat(2, 1fr); }
  .page-content .entry-content { max-width: 90%; font-size: var(--font-size-lg); }
}

/* ================================================================
   PRINT & ACCESSIBILITY
   ================================================================ */

@media print {
  .site-header, .mobile-menu, .mobile-menu-overlay, .menu-toggle,
  .hero-section, .cta-section, .site-footer, .page-top-btn, .scroll-to-top,
  .breadcrumb, .entry-meta, .entry-footer, .pagination, .sidebar,
  .blog-link, .service-link, .solution-badge,
  .services-cta, .faq-toggle,
  .pillar-hero-background, .pillar-sidebar, .pillar-bottom-cta, .pillar-related-section { display: none !important; }

  body { background: #fff; color: #000; font-size: 12pt; }
  .section { padding: 1rem 0; }
  .entry-content { max-width: 100%; }
  .entry-content h2, .entry-content h3, .entry-content h4 { page-break-after: avoid; }
  .entry-content p { orphans: 3; widows: 3; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 10pt; color: #666; }
  img { max-width: 100%; page-break-inside: avoid; }

  .service-detail-card { box-shadow: none; border: 1px solid #000; page-break-inside: avoid; }
  .faq-answer { max-height: none !important; padding: var(--space-sm) var(--space-lg) !important; }
  .pillar-hero { background: #fff; color: #000; padding: 2rem 0; }
  .pillar-hero-title, .pillar-hero-label { color: #000; }
  .pillar-content { max-width: 100%; }
  .pillar-content pre { background: #f5f5f5; color: #333; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .hero-section::before { animation: none; }
  .cta-section::before { animation: none; }
}

@media (prefers-contrast: high) {
  :root { --color-border: #000; }
  .btn, .service-card, .solution-card, .blog-card, .strength-item { border: 2px solid currentColor; }
}

/* Focus styles for services/pillar */
.faq-question:focus,
.services-cta .btn-primary:focus,
.services-cta .btn-secondary:focus,
.pillar-toc-nav a:focus,
.pillar-related-list a:focus,
.pillar-article-card a:focus { outline: 3px solid var(--color-primary); outline-offset: 2px; }

/* Service detail card animation */
.service-detail-card { animation: fadeInUp 0.6s ease-out; }
.service-detail-card:nth-child(2) { animation-delay: 0.1s; }
.service-detail-card:nth-child(3) { animation-delay: 0.2s; }
.service-detail-card:nth-child(4) { animation-delay: 0.3s; }

/* Pillar reduced motion */
@media (prefers-reduced-motion: reduce) {
  .pillar-progress-fill, .pillar-article-thumbnail img,
  .pillar-article-card, .pillar-toc-nav a { transition: none; }
}

/* ================================
   Header Spacer
   ================================ */
.header-spacer { height: 70px; }
@media (min-width: 768px) { .header-spacer { height: 80px; } }
@media (min-width: 1024px) { .header-spacer { height: 88px; } }

/* ================================
   Pagination
   ================================ */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: var(--space-xl);
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px; height: 44px;
  padding: 0 0.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-fast);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
}
.pagination a:hover { background: var(--color-primary); color: #0a0f1a; border-color: var(--color-primary); }
.pagination .current { background: var(--color-primary); color: #0a0f1a; border-color: var(--color-primary); }

/* ================================
   CTA Banner (component)
   ================================ */
.cta-banner {
  background: var(--color-bg-dark);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  margin: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(0, 230, 118, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(0, 188, 212, 0.08) 0%, transparent 50%);
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { color: var(--color-text-white); font-size: var(--font-size-2xl); margin-bottom: var(--space-md); }
.cta-banner p { color: var(--color-text-dark-sub); margin-bottom: var(--space-lg); }

/* Scroll to top (legacy class) */
.scroll-to-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 48px; height: 48px;
  background: var(--color-bg-dark-card);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
  cursor: pointer;
  opacity: 0; visibility: hidden;
  transition: all var(--transition-base);
  z-index: 900;
}
.scroll-to-top.visible { opacity: 1; visibility: visible; }
.scroll-to-top:hover { background: var(--color-primary); color: #0a0f1a; }