/* ==========================================================================
   All design tokens (colors, typography, spacing, shadows, z-index, etc.)
   are defined in tokens.css. This file contains component styles only.
   ========================================================================== */

/* Light Theme Overrides */
[data-theme="light"] .hero-title {
  background: linear-gradient(135deg, #2b3042 30%, #5a6b8c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}


[data-theme="light"] .card:hover,
[data-theme="light"] .product:hover,
[data-theme="light"] .case:hover,
[data-theme="light"] .business-card:hover,
[data-theme="light"] .team-card:hover,
[data-theme="light"] .feature-card:hover,
[data-theme="light"] .contact-card:hover,
[data-theme="light"] .product-row-card:hover {
  background: linear-gradient(180deg, rgba(255,255,255,1), rgba(248,249,251,1));
  border-color: rgba(0,0,0,0.1);
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.1);
}
[data-theme="light"] .logo-card:hover,
[data-theme="light"] .info-item:hover {
  background: rgba(255,255,255,0.9);
  border-color: rgba(0,0,0,0.08);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

[data-theme="light"] .business-card:hover .business-icon {
  background: rgba(0,0,0,0.05);
  border-color: rgba(0,0,0,0.1);
}

[data-theme="light"] .business-header { border-bottom: 1px solid rgba(0,0,0,0.05); }
[data-theme="light"] .business-header::before {
  background-image: 
    linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
}
[data-theme="light"] .business-icon {
  background: rgba(0,0,0,0.03);
  border: 1px solid rgba(0,0,0,0.08);
  color: var(--primary-1);
  box-shadow: 0 8px 24px rgba(0,0,0,0.05), inset 0 0 0 1px rgba(255,255,255,0.5);
}

[data-theme="light"] .why-icon-wrapper {
  background: rgba(59,211,255,0.1);
  border: 1px solid rgba(59,211,255,0.2);
}

[data-theme="light"] .lang-btn:hover,
[data-theme="light"] .lang-option:hover { background-color: rgba(0, 0, 0, 0.05); }

[data-theme="light"] .lang-option.selected {
  background-color: transparent;
  color: var(--primary-1);
}

[data-theme="light"] .nav a.active,
[data-theme="light"] .nav a[aria-selected="true"],
[data-theme="light"] .nav a[aria-current="page"] {
  color: #00131a;
  background: rgba(59,211,255,.22);
  border: 1px solid rgba(59,211,255,.45);
  box-shadow: inset 0 0 0 2px rgba(59,211,255,.18);
}
[data-theme="light"] .nav a:hover { background: rgba(0,0,0,.06); }
[data-theme="light"] .site-header { background: rgba(255, 255, 255, 0.6); }
[data-theme="light"] .site-header.scrolled { background: rgba(255, 255, 255, 0.85); }


/* ==========================================================================
   Base Styles
   ========================================================================== */
* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  margin: 0;
  background: var(--body-bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Typography & Utilities */
.text-center { text-align: center; }
.rich-text {
  line-height: 1.8;
  color: var(--muted);
}
.rich-text p { margin-bottom: 1.5em; }
.rich-text h3, .rich-text h4 { color: var(--text); margin-top: 1.5em; margin-bottom: 0.8em; }
.rich-text ul, .rich-text ol { margin-bottom: 1.5em; padding-left: 1.5em; }
.rich-text li { margin-bottom: 0.5em; }

/* ==========================================================================
   Components: Buttons
   ========================================================================== */
.btn-primary, .btn-secondary, .btn-link, .business-btn, .btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--btn-radius);
  text-decoration: none;
  cursor: pointer;
  font-weight: var(--btn-font-weight);
  font-size: var(--btn-font-size);
  transition: var(--transition-default);
  border: none;
}

.btn-primary, .btn-secondary, .btn-link { padding: var(--btn-padding-y) var(--btn-padding-x); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary-1), var(--accent-1));
  color: #fff;
  box-shadow: var(--shadow-glow-primary);
}
.btn-primary:hover { transform: var(--hover-lift-btn); box-shadow: var(--shadow-glow-primary-hover); }

.btn-secondary {
  background: linear-gradient(135deg, var(--primary-2), var(--accent-2));
  color: #00131a;
  box-shadow: var(--shadow-glow-secondary);
}
.btn-secondary:hover { transform: var(--hover-lift-btn); box-shadow: var(--shadow-glow-secondary-hover); }

.btn-link {
  padding: 10px var(--space-3);
  color: var(--primary-2);
  background: rgba(59,211,255,.12);
  border: 1px solid rgba(59,211,255,.28);
}
.btn-link:hover { color: #00131a; background: var(--primary-2); }

.btn-white {
  padding: var(--btn-padding-y) var(--space-8);
  background: #fff;
  color: var(--primary-1);
  box-shadow: var(--shadow-sm);
}
.btn-white:hover {
  transform: var(--hover-lift-btn);
  box-shadow: var(--shadow-md);
  background: #fff;
  color: var(--primary-1);
}

.business-btn {
  align-self: center;
  padding: 10px var(--space-8);
  border-radius: var(--btn-radius);
  background: rgba(59,211,255,0.1);
  color: var(--primary-2);
  border: 1px solid rgba(59,211,255,.25);
  font-size: var(--text-base);
}
.business-btn:hover {
  background: var(--primary-2);
  color: #00131a;
  transform: var(--hover-lift-btn);
}

/* ==========================================================================
   Components: Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-header);
  backdrop-filter: blur(12px);
  background: var(--color-bg-header);
  border-bottom: 1px solid transparent;
  transition: background var(--duration) var(--ease-out),
              border-bottom-color var(--duration) var(--ease-out),
              backdrop-filter var(--duration) var(--ease-out),
              box-shadow var(--duration) var(--ease-out);
}
.site-header.scrolled {
  background: var(--header-bg);
  border-bottom-color: var(--border);
  backdrop-filter: saturate(140%) blur(20px);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text);
  text-decoration: none;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-1), var(--accent-1));
  color: #fff;
  font-weight: var(--weight-bold);
  letter-spacing: .5px;
}
.brand-name { font-size: var(--text-lg); font-weight: var(--weight-semibold); }

.nav {
  display: none;
  gap: var(--space-5);
  align-items: center;
}
.nav a {
  color: var(--text);
  text-decoration: none;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: var(--transition-default);
}
.nav a:hover { transform: var(--hover-lift-l3); background: rgba(255,255,255,.06); }
.nav a.active, .nav a[aria-current="page"] {
  background: rgba(255,255,255,.12);
  font-weight: var(--weight-medium);
}

.nav-actions { display: flex; align-items: center; gap: var(--space-2); margin-left: auto; }

.nav-toggle {
  display: inline-flex;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--border);
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text); }

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(4px);
  display: none;
  z-index: calc(var(--z-header) - 1);
}
html.nav-open body { overflow: hidden; }
html.nav-open .nav-overlay { display: block; }

/* Language Switcher */
.lang-switcher { position: relative; }
.lang-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--glass-bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  width: 40px;
  height: 40px;
}
.lang-btn:hover, .lang-btn:focus {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--muted);
  outline: none;
}
.lang-btn[aria-expanded="true"] {
  border-color: var(--primary-1);
  box-shadow: 0 0 0 2px rgba(123, 92, 255, 0.2);
}
.lang-icon-globe { display: flex; align-items: center; color: var(--muted); }

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: max-content;
  min-width: 140px;
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-1);
  list-style: none;
  display: none;
  flex-direction: column;
  gap: 2px;
  box-shadow: var(--shadow-lg);
  z-index: var(--z-modal);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}
.lang-dropdown.show { display: flex; opacity: 1; transform: translateY(0); }

.lang-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--text);
  transition: var(--transition-fast);
}
.lang-option:hover { background-color: rgba(255, 255, 255, 0.05); }
.lang-opt-code { font-family: var(--font-mono); opacity: 0.9; }
.lang-opt-name { opacity: 0.7; font-weight: var(--weight-normal); }
.lang-option.selected .lang-opt-name { opacity: 1; font-weight: var(--weight-medium); }

/* ==========================================================================
   Components: Cards & Containers
   ========================================================================== */
/* Consolidated Card Styles */
.card, .product, .case, .business-card,
.logo-card, .team-card, .feature-card,
.contact-card, .info-item, .faq-item,
.product-row-card {
  background: var(--glass-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--duration) var(--ease-out);
  position: relative;
  overflow: hidden;
}

/* L1 hover: content cards — unified lift + glow */
.card:hover, .product:hover, .case:hover, .business-card:hover,
.team-card:hover, .feature-card:hover,
.contact-card:hover, .faq-item:hover,
.product-row-card:hover {
  transform: var(--hover-lift-l1);
  background: var(--gradient-stat-hover);
  border-color: var(--primary-1);
  box-shadow: 0 0 20px rgba(123,92,255,0.12), var(--shadow-xl);
  z-index: var(--z-overlay);
}

/* L3 hover: small info blocks — subtle lift */
.logo-card:hover, .info-item:hover {
  transform: var(--hover-lift-l3);
  background: var(--gradient-glass);
  border-color: rgba(255,255,255,.12);
  box-shadow: var(--shadow-sm);
}
.logo-card { border-radius: var(--radius-sm); }

.card, .product, .case, .business-card {
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

.card-icon { width: 52px; height: 52px; border-radius: var(--radius-md); }
.card-title, .case-title { font-weight: var(--weight-semibold); margin-top: var(--space-3); }
.card-desc, .case-desc { color: var(--muted); margin-top: var(--space-2); }

/* Business Card Specifics */
.business-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  text-align: left;
}
.business-card:hover { transform: var(--hover-lift-l1); box-shadow: var(--shadow-xl); }

.business-header {
  height: 140px;
  background: 
    radial-gradient(circle at 0% 0%, rgba(123,92,255,0.2), transparent 50%),
    radial-gradient(circle at 100% 100%, rgba(59,211,255,0.2), transparent 50%),
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.business-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, black, transparent);
  -webkit-mask-image: linear-gradient(to bottom, black, transparent);
}

.business-icon {
  width: 64px;
  height: 64px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: var(--text-3xl);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-md), inset 0 0 0 1px rgba(255,255,255,0.05);
  transition: var(--transition-default);
}
.business-card:hover .business-icon {
  transform: scale(1.1) rotate(5deg);
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: var(--primary-2);
}
.business-icon svg { width: 32px; height: 32px; stroke-width: 2; }

.business-body { padding: var(--space-6); display: flex; flex-direction: column; flex: 1; }
.business-title { font-size: var(--text-xl); font-weight: var(--weight-bold); margin-bottom: var(--space-3); color: var(--text); }
.business-desc { font-size: var(--text-base); color: var(--muted); line-height: var(--leading-normal); margin-bottom: var(--space-6); flex-grow: 1; }

.business-list { list-style: none; padding: 0; margin: 0 0 var(--space-6); }
.business-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  color: var(--muted);
  font-size: var(--text-base);
}
.business-list li svg { width: 16px; height: 16px; color: var(--primary-2); flex-shrink: 0; }

/* Scenario Card */
.scenario-card {
  height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border);
  background: var(--card);
  transition: var(--transition-default);
}
.scenario-card:hover { transform: var(--hover-lift-l1); box-shadow: var(--shadow-lg); }
.scenario-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
  z-index: var(--z-base);
}
.scenario-card:hover .scenario-img { transform: var(--hover-scale-media); }
.scenario-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,13,18,0) 0%, rgba(11,13,18,0.6) 50%, rgba(11,13,18,0.95) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  z-index: var(--z-content);
}
.scenario-title { font-size: var(--text-xl); font-weight: var(--weight-bold); margin-bottom: var(--space-2); color: #fff; }
.scenario-desc { font-size: var(--text-base); color: rgba(255,255,255,0.7); line-height: var(--leading-list); }

/* Stats */
.stat, .stat-item {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--stat-bg);
  border: 1px solid var(--border);
  transition: var(--transition-default);
}
.stat:hover, .stat-item:hover {
  background: var(--stat-hover-bg);
  border-color: rgba(255,255,255,0.15);
  transform: var(--hover-lift-l3);
}
.stat-value { font-size: var(--text-stat); font-weight: var(--weight-bold); color: var(--primary-1); font-family: var(--font-mono); margin-bottom: var(--space-2); }
.stat-label { color: var(--muted); font-size: var(--text-base); }

/* Grids */
.grid.three, .team-grid, .feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--grid-gap); }
.grid.four { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: var(--grid-gap); }
.grid.auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(var(--grid-min-col), 1fr)); gap: var(--grid-gap); }
.grid.two { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--grid-gap); }

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, auto);
  gap: var(--grid-gap);
}
.bento-grid .card { height: 100%; display: flex; flex-direction: column; }
.bento-grid .card-desc { flex-grow: 1; }
.bento-item-large { grid-column: span 2; grid-row: span 1; }
.bento-item-tall { grid-column: span 1; grid-row: span 2; }

/* ==========================================================================
   Sections & Pages
   ========================================================================== */
.section { padding: var(--section-padding-y) 0; position: relative; }
.section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--container-max);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--section-divider), transparent);
}
.section:last-child::after { display: none; }
.section-title { font-size: var(--text-2xl); margin: 0 0 var(--space-4); letter-spacing: -0.5px; font-weight: var(--weight-bold); line-height: var(--leading-snug); }
.section-lead { color: var(--muted); margin: 0 auto var(--space-12); font-size: var(--text-lg); max-width: 640px; line-height: var(--leading-normal); }

/* Section header centered variant */
.section-header-center { text-align: center; max-width: 800px; margin: 0 auto var(--space-10); }
.section-header-center .section-lead { margin-bottom: 0; }

/* Hero badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: rgba(123,92,255,0.08);
  color: var(--primary-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  font-family: var(--font-mono);
  margin-bottom: var(--space-4);
  border: 1px solid rgba(123,92,255,0.15);
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

/* Scenario overlay button override */
.scenario-overlay .btn-link {
  margin-top: 1rem;
  color: #fff;
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.25);
}
.scenario-overlay .btn-link:hover {
  background: rgba(255,255,255,.25);
  color: #fff;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-8);
}
.section-header-content { max-width: 600px; }
.section-header .section-title { margin-bottom: var(--space-2); }
.section-header .section-lead { margin-bottom: 0; }
.section-header .btn-link { align-self: center; }

/* Hero */
.hero {
  position: relative;
  padding: var(--hero-padding-top) 0 var(--hero-padding-bottom);
  min-height: auto;
  display: block;
  overflow: hidden;
}
.hero-full { min-height: 100vh; padding: 0; display: flex; align-items: center; }
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: var(--grid-pattern);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 30%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 30%, black 30%, transparent 80%);
  opacity: 0.8;
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(800px 400px at 20% 30%, rgba(123,92,255,.22), transparent 60%),
    radial-gradient(600px 300px at 80% 20%, rgba(59,211,255,.15), transparent 60%);
  z-index: var(--z-behind);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle 400px at 50% 50%, rgba(123,92,255,0.06), transparent);
  z-index: var(--z-behind);
  animation: heroPulse 6s ease-in-out infinite alternate;
}
@keyframes heroPulse {
  0% { opacity: 0.3; transform: scale(1); }
  100% { opacity: 0.7; transform: scale(1.15); }
}
.hero-content { position: relative; z-index: var(--z-content); width: 100%; }
.hero-title {
  font-size: var(--text-hero);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-6);
  background: linear-gradient(135deg, #ffffff 40%, #c4b5fd 80%, #7b5cff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: var(--weight-extra-bold);
  max-width: 900px;
}
.hero-subtitle {
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  color: var(--muted);
  max-width: var(--hero-subtitle-max-w);
  margin-bottom: var(--space-10);
}
.hero-actions { display: flex; gap: var(--space-4); margin-top: 0; }
.hero-actions .btn-primary { margin-left: var(--space-5); }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: var(--grid-gap);
  margin-top: var(--space-16);
  max-width: 600px;
}

/* Why Us */
.why-us-header { text-align: center; max-width: 800px; margin: 0 auto var(--space-16); }
.why-card {
  text-align: center;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--glass-surface);
  border: 1px solid var(--border);
  transition: var(--transition-default);
}
.why-card:hover {
  transform: var(--hover-lift-l1);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-2);
}
.why-icon-wrapper {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-6);
  border-radius: var(--radius-lg);
  background: rgba(59,211,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-2);
  border: 1px solid rgba(59,211,255,0.12);
  transition: var(--transition-default);
}
.why-card:hover .why-icon-wrapper {
  transform: scale(1.1);
  box-shadow: 0 0 24px rgba(59,211,255,0.2);
  background: rgba(59,211,255,0.12);
  border-color: rgba(59,211,255,0.3);
}
.why-title { font-size: var(--text-lg); font-weight: var(--weight-bold); margin-bottom: var(--space-3); color: var(--text); line-height: var(--leading-card); }
.why-desc { font-size: var(--text-base); color: var(--muted); line-height: var(--leading-normal); }

/* Process */
.process-header { text-align: center; max-width: 800px; margin: 0 auto var(--space-16); }
.process-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-5); position: relative; }
.process-grid::before {
  content: '';
  position: absolute;
  top: 38px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59,211,255,0.3), transparent);
  z-index: var(--z-base);
}
.process-card {
  background: var(--glass-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-5);
  text-align: center;
  position: relative;
  z-index: var(--z-content);
  box-shadow: var(--shadow-none);
  transition: var(--transition-default);
}
.process-card:hover {
  transform: var(--hover-lift-l1);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-2);
}
.process-step-num {
  font-size: var(--text-3xl);
  font-weight: 900;
  color: rgba(255,255,255,0.04);
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  line-height: 1;
  font-family: var(--font-mono);
}
.process-dot {
  width: 12px;
  height: 12px;
  background: var(--primary-2);
  border-radius: 50%;
  margin: 0 auto var(--space-6);
  position: relative;
  z-index: var(--z-overlay);
  box-shadow: var(--shadow-dot-info);
}
.process-title { font-size: var(--text-lg); font-weight: var(--weight-bold); color: var(--text); margin-bottom: var(--space-3); }
.process-desc { font-size: var(--text-base); color: var(--muted); line-height: var(--leading-normal); }

/* Product Row */
.product-row-list { display: flex; flex-direction: column; gap: var(--grid-gap); }
.product-row-card { display: flex; overflow: hidden; transition: var(--transition-default); }
.product-row-card:hover { transform: var(--hover-lift-l1); box-shadow: var(--shadow-lg); }
.product-row-left {
  flex: 0 0 320px;
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
}
.product-row-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59,211,255,0.1);
  color: var(--primary-2);
  margin-bottom: var(--space-5);
}
.product-row-icon svg { width: 28px; height: 28px; }
.product-row-title { font-size: var(--text-xl); font-weight: var(--weight-bold); margin-bottom: var(--space-3); color: var(--text); }
.product-row-desc { font-size: var(--text-base); color: var(--muted); line-height: var(--leading-normal); margin-bottom: var(--space-6); flex-grow: 1; }
.product-row-right {
  flex: 1;
  padding: var(--space-8);
  background: rgba(0,0,0,0.02);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}
.detail-group { display: flex; flex-direction: column; gap: var(--space-3); }
.detail-group-full { grid-column: span 2; }
.detail-title { font-size: var(--text-base); font-weight: var(--weight-bold); display: flex; align-items: center; gap: var(--space-2); }
.detail-dot { width: 8px; height: 8px; border-radius: 50%; }
.dot-pain { background: var(--color-danger); box-shadow: var(--shadow-dot-danger); }
.dot-solution { background: var(--color-info); box-shadow: var(--shadow-dot-info); }
.dot-value { background: var(--color-primary-1); box-shadow: var(--shadow-dot-primary); }
.detail-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.detail-list li {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: var(--leading-list);
  position: relative;
  padding-left: var(--space-3);
}
.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--muted);
  opacity: 0.5;
}
.detail-text { font-size: var(--text-sm); color: var(--muted); line-height: var(--leading-normal); }

/* Cases */
.case-list { display: flex; flex-direction: column; gap: var(--space-12); }
.case-row {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--space-8);
  align-items: center;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  background: var(--glass-surface);
  border: 1px solid var(--border);
  transition: var(--transition-default);
}
.case-row:hover { transform: var(--hover-lift-l1); box-shadow: var(--shadow-lg); }
.case-text { display: flex; flex-direction: column; gap: var(--space-4); }
.case-text .case-title { font-size: var(--text-2xl); font-weight: var(--weight-bold); color: var(--text); }
.case-text .case-desc { color: var(--muted); font-size: var(--text-base); line-height: var(--leading-normal); }
.case-media {
  height: 360px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background:
    radial-gradient(360px 180px at 40% 30%, rgba(123,92,255,.3), transparent),
    linear-gradient(135deg, rgba(123,92,255,.18), rgba(59,211,255,.18));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  margin-top: 0;
  overflow: hidden;
}
.case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}
.case-row:hover .case-media img { transform: var(--hover-scale-media); }
.case-badge {
  display: inline-block;
  padding: 6px 10px;
  font-size: var(--text-xs);
  border-radius: var(--radius-pill);
  color: #00131a;
  background: var(--primary-2);
  border: 1px solid rgba(0,60,80,.25);
}

.case-category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--primary-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.case-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--primary-2);
  background: rgba(59, 211, 255, 0.08);
  border: 1px solid rgba(59, 211, 255, 0.2);
  border-radius: var(--radius-md);
  line-height: var(--leading-list);
  transition: var(--transition-fast);
}
.case-tag:hover {
  background: rgba(59, 211, 255, 0.15);
  border-color: rgba(59, 211, 255, 0.35);
}

/* Breadcrumb Navigation */
.case-breadcrumb {
  padding: var(--space-4) 0;
  margin-top: 73px;
  border-bottom: 1px solid var(--border);
}
.case-breadcrumb .container {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-base);
}
.case-breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: var(--transition-fast);
}
.case-breadcrumb a:hover { color: var(--primary-2); }
.breadcrumb-sep {
  color: var(--muted);
  opacity: 0.5;
  font-size: var(--text-xs);
}
.breadcrumb-current {
  color: var(--text);
  font-weight: var(--weight-medium);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Case Detail Pages */
.case-detail-hero {
  padding: var(--space-16) 0 var(--space-10);
  text-align: center;
  background: radial-gradient(ellipse 80% 120% at 50% -10%, rgba(123,92,255,0.08), transparent 70%);
}

.case-detail-title {
  font-size: clamp(var(--text-3xl), 4vw, 48px);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--primary-1), var(--primary-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  background-clip: text;
}

.case-detail-meta {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  color: var(--muted);
  font-size: var(--text-md);
  margin-bottom: var(--space-12);
}

.case-detail-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Case Detail Layout (content + TOC sidebar) */
.case-detail-layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--container-padding) var(--section-padding-y);
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: var(--space-8);
}

.case-detail-content {
  min-width: 0;
}

/* TOC Sidebar */
.case-toc {
  display: block;
}
.case-toc-inner {
  position: sticky;
  top: 120px;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.case-toc-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}
.case-toc-link {
  font-size: var(--text-sm);
  color: var(--muted);
  text-decoration: none;
  padding-left: var(--space-4);
  border-left: 2px solid transparent;
  transition: var(--transition-fast);
  line-height: var(--leading-normal);
}
.case-toc-link:hover {
  color: var(--primary-2);
}
.case-toc-link.active {
  color: var(--primary-2);
  border-left-color: var(--primary-1);
  font-weight: var(--weight-medium);
}

.case-section {
  margin-bottom: var(--space-12);
}

.case-section h2 {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text);
}

.case-section h2::before {
  content: '';
  display: block;
  width: 4px;
  height: var(--space-6);
  background: var(--primary-1);
  border-radius: 2px;
}

.case-section p {
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--muted);
  margin-bottom: var(--space-5);
}

.case-section ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.case-section ul li {
  position: relative;
  padding-left: var(--space-6);
  line-height: var(--leading-normal);
  color: var(--muted);
}

.case-section ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary-1);
  font-weight: bold;
}

.case-image {
  width: 100%;
  border-radius: var(--radius-lg);
  margin: var(--space-8) 0;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
  transition: var(--transition-default);
  overflow: hidden;
}
.case-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  display: block;
}
.case-image:hover {
  transform: scale(1.02);
}
.case-image-caption {
  text-align: center;
  color: var(--muted);
  margin-top: var(--space-2);
  font-size: var(--text-sm);
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-bottom: var(--space-8);
}

.case-stats .stat-item {
  text-align: center;
  padding: var(--space-5) var(--space-4);
  background: transparent;
  border: none;
  border-radius: 0;
  border-right: 1px solid var(--border);
}
.case-stats .stat-item:last-child {
  border-right: none;
}
.case-stats .stat-item:hover {
  background: transparent;
  transform: none;
}

.case-stats .stat-value {
  font-size: var(--text-stat);
  font-weight: var(--weight-bold);
  color: var(--primary-1);
  margin-bottom: var(--space-1);
  font-family: var(--font-mono);
  line-height: 1.2;
}

.case-stats .stat-label {
  font-size: var(--text-sm);
  color: var(--muted);
}

/* Reading Progress Bar */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(135deg, var(--primary-1), var(--primary-2));
  z-index: 1100;
  width: 0%;
  transition: width 50ms linear;
  pointer-events: none;
}

/* FAQ */
.faq-item { padding: var(--space-8); transition: var(--transition-default); }
.faq-question { font-size: var(--text-lg); font-weight: var(--weight-bold); margin-bottom: var(--space-3); color: var(--text); }
.faq-answer { font-size: var(--text-base); line-height: var(--leading-normal); color: var(--muted); margin: 0; }

/* About Page */
.about { display: grid; grid-template-columns: 1fr 1.2fr; gap: var(--space-10); align-items: center; }
.about-media {
  height: 360px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(500px 250px at 30% 30%, rgba(123,92,255,.35), transparent 70%),
    radial-gradient(500px 250px at 70% 70%, rgba(59,211,255,.25), transparent 70%),
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px solid var(--border);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.04), var(--shadow-lg);
  overflow: hidden;
  transition: var(--transition-slow);
}
.about-media:hover {
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08), var(--shadow-xl);
}
.about-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--duration-slow) var(--ease-out);
}
.about-media:hover img { transform: var(--hover-scale-media); }
.about-stats { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--space-3); margin-top: var(--space-4); }
.about-content p {
  color: var(--muted);
  line-height: var(--leading-relaxed);
  font-size: var(--text-md);
  margin-bottom: var(--space-4);
}

/* Contact Page */
.contact { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: var(--space-10); }
.contact-page-layout { grid-template-columns: 0.8fr 1.2fr; }
.contact-card { padding: var(--space-8); box-shadow: var(--shadow-md); height: fit-content; }
.contact-form { display: grid; gap: var(--space-5); }
.contact-page-layout .contact-form { grid-template-columns: 1fr 1fr; }
.contact-page-layout .info-item { display: flex; align-items: center; gap: var(--space-4); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group label { font-size: var(--text-base); font-weight: var(--weight-semibold); color: var(--text); }
.form-group.full-width,
.contact-page-layout .btn-primary,
.contact-page-layout .form-note { grid-column: span 2; }
.contact-form button[type="submit"] { min-width: 160px; margin-top: var(--space-2); }
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: var(--btn-padding-y) var(--space-4);
  border-radius: var(--radius-md);
  border: var(--border-default);
  background: var(--color-bg-input);
  color: var(--text);
  outline: none;
  transition: var(--transition-default);
  font-size: var(--btn-font-size);
  font-family: var(--font-sans);
}
.contact-form input:focus, .contact-form textarea:focus {
  border-color: var(--primary-1);
  background: var(--color-bg-input-focus);
  box-shadow: var(--shadow-focus-ring);
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--muted); opacity: 0.7; }
.form-note { color: var(--muted); font-size: var(--text-sm); }
.contact-info { display: flex; flex-direction: column; gap: var(--space-8); }
.info-header .section-title { margin-bottom: var(--space-3); font-size: var(--text-2xl); }
.info-header p { color: var(--muted); line-height: var(--leading-normal); margin: 0; }
.info-grid { display: grid; gap: var(--grid-gap); }
.info-item { padding: var(--space-5); gap: var(--space-4); border-radius: var(--radius-md); background: var(--glass-surface); border: 1px solid var(--border); transition: var(--transition-default); }
.info-item:hover { transform: var(--hover-lift-l3); border-color: var(--primary-1); box-shadow: var(--shadow-md); }
.info-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(59,211,255,0.1);
  color: var(--primary-2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.info-icon svg { width: 20px; height: 20px; }
.info-content { display: flex; flex-direction: column; gap: var(--space-1); }
.info-title { font-weight: var(--weight-bold); color: var(--text); font-size: var(--text-base); }
.info-desc { color: var(--muted); font-size: var(--text-base); line-height: var(--leading-list); }
.map-placeholder {
  margin-top: auto;
  height: 200px;
  border-radius: var(--radius-lg);
  background: var(--card);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--muted);
  cursor: pointer;
  transition: var(--transition-default);
  overflow: hidden;
  position: relative;
}
.map-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--grid-pattern);
  opacity: 0.5;
}
.map-placeholder:hover { border-color: var(--primary-1); color: var(--primary-1); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--footer-bg);
  padding: var(--section-padding-y) 0 var(--space-8);
  margin-top: var(--section-padding-y-sm);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}
.footer-brand-col { max-width: 320px; }
.footer-brand-col .brand { margin-bottom: var(--space-5); }
.footer-desc {
  color: var(--muted);
  line-height: var(--leading-normal);
  font-size: var(--text-base);
  margin-bottom: var(--space-6);
}
.social-links { display: flex; gap: var(--space-3); }
.social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: var(--transition-fast);
  border: 1px solid var(--border);
}
.social-link:hover {
  background: var(--primary-1);
  color: #fff;
  border-color: var(--primary-1);
  transform: var(--hover-lift-l3);
}
.footer-title {
  color: var(--text);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-6);
}
.footer-links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: var(--text-base);
  transition: var(--transition-fast);
}
.footer-links a:hover { color: var(--primary-2); }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
  line-height: var(--leading-list);
}
.footer-contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--primary-2);
  margin-top: 2px;
}
.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.copyright { color: var(--muted); font-size: var(--text-sm); }
.footer-legal { display: flex; gap: var(--space-6); }
.footer-legal a {
  color: var(--muted);
  text-decoration: none;
  font-size: var(--text-sm);
}
.footer-legal a:hover { color: var(--primary-2); }
.footer-icp {
  color: var(--muted);
  text-decoration: none;
  font-size: var(--text-sm);
  margin-left: var(--space-2);
  transition: color var(--duration) var(--ease-out);
}
.footer-icp:hover { color: var(--primary-2); }

/* Misc Components */
.gradient-1 { background: linear-gradient(135deg, var(--primary-1), var(--accent-1)); }
.gradient-2 { background: linear-gradient(135deg, var(--primary-2), var(--accent-2)); }
.gradient-3 { background: linear-gradient(135deg, #ff9f4a, #ffd86f); }
.logos-grid { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: var(--space-3); align-items: center; }
.logo-card { border-radius: var(--radius-sm); padding: var(--space-3); display: flex; align-items: center; justify-content: center; }

/* Partner brand showcase (curated marquee clients) */
.partner-showcase {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
  max-width: 1080px;
  margin: 0 auto;
}
.partner-card {
  background: #ffffff;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-10);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 132px;
  box-shadow: var(--shadow-sm);
  transition: all var(--duration) var(--ease-out);
}
.partner-card:hover {
  transform: var(--hover-lift-l1);
  box-shadow: var(--shadow-md);
}
.partner-logo {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 84px;
  object-fit: contain;
  display: block;
}
.team-card, .feature-card { padding: var(--space-4); }
.team-card { text-align: center; }
.avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto var(--space-3);
  background: radial-gradient(60px 30px at 40% 40%, rgba(123,92,255,.35), transparent), linear-gradient(135deg, rgba(123,92,255,.18), rgba(59,211,255,.18));
  border: 1px solid var(--border);
}
.feature-card .icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-3);
  border: 1px solid var(--border);
}
.bullet-list { list-style: none; padding: 0; margin: var(--space-3) 0 0; display: grid; gap: var(--space-2); }
.bullet-list li { display: flex; align-items: center; gap: var(--space-2); color: var(--muted); font-size: var(--text-base); }
.bullet-list li::before { content: "•"; color: var(--primary-2); }
.cta-banner {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  background: linear-gradient(135deg, rgba(123,92,255,.12), rgba(59,211,255,.12));
  box-shadow: 0 10px 28px var(--shadow);
  text-align: center;
}
.cta-banner .section-title { margin-bottom: var(--space-3); }
.cta-banner .section-lead { margin-bottom: var(--space-4); }

/* CTA Section */
.cta-section {
  background: var(--primary-1); 
  background: linear-gradient(135deg, var(--primary-1), #4c82ff);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  position: relative;
  z-index: 1;
}
.cta-title { color: #fff; font-size: var(--text-3xl); font-weight: var(--weight-bold); margin: 0; line-height: var(--leading-snug); }
.cta-desc { color: rgba(255, 255, 255, 0.9); font-size: var(--text-md); max-width: 600px; margin: 0; line-height: var(--leading-normal); }

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.animate-in.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }
.delay-4 { transition-delay: 0.32s; }
.delay-5 { transition-delay: 0.40s; }
.delay-6 { transition-delay: 0.48s; }

/* Hero stagger */
.hero-badge.animate-in { transition-delay: 0s; }
.hero-title.animate-in { transition-delay: 0.1s; }
.hero-subtitle.animate-in { transition-delay: 0.2s; }
.hero-actions.animate-in { transition-delay: 0.3s; }
.hero-stats.animate-in { transition-delay: 0.45s; }

@keyframes navEnter {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes navLeave {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-6px); }
}

/* ==========================================================================
   About & Misc Page Styles
   ========================================================================== */

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: var(--space-16) auto 0;
  padding-left: 30px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary-1), var(--primary-2));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: var(--space-10);
  padding-left: 30px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -25px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--primary-1);
  box-shadow: 0 0 0 4px rgba(123,92,255,0.2);
  z-index: 1;
}
.timeline-date {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--primary-2);
  margin-bottom: var(--space-3);
}
.timeline-content {
  background: var(--glass-surface);
  border: 1px solid var(--border);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  transition: var(--transition-default);
}
.timeline-content:hover {
  transform: translateX(10px);
  background: rgba(255,255,255,0.05);
}
.timeline-content h3 {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin: 0 0 var(--space-3);
  color: var(--text);
}
.timeline-content p {
  color: var(--muted);
  line-height: var(--leading-normal);
  margin: 0;
}

/* Culture Card */
.culture-card {
  background: var(--glass-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: var(--transition-default);
  height: 100%;
}
.culture-card:hover {
  transform: var(--hover-lift-l1);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-1);
}
.culture-icon {
  font-size: 48px;
  margin-bottom: var(--space-6);
  display: inline-block;
  color: var(--primary-2);
}
.culture-card h3 {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-4);
  color: var(--text);
}
.culture-card p {
  color: var(--muted);
  line-height: var(--leading-normal);
}
.culture-list {
  list-style: none;
  padding: 0;
  text-align: left;
  margin-top: var(--space-5);
}
.culture-list li {
  margin-bottom: var(--space-3);
  color: var(--muted);
  line-height: var(--leading-list);
  padding-left: var(--space-4);
  position: relative;
}
.culture-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--primary-2);
  border-radius: 50%;
}
.culture-list strong { color: var(--text); }

/* Team Member */
.team-member {
  background: var(--glass-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-default);
}
.team-member:hover { transform: var(--hover-lift-l1); box-shadow: var(--shadow-lg); }
.member-photo {
  height: 240px;
  overflow: hidden;
  background: linear-gradient(135deg, #2a2d3e, #1a1d26);
  display: flex;
  position: relative;
}
.member-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}
.member-photo::after {
  content: 'Photo';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.1);
  font-size: var(--space-6);
  font-weight: var(--weight-bold);
}
.member-info { padding: var(--space-6); }
.member-name {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--text);
  margin: 0 0 var(--space-1);
}
.member-role {
  color: var(--primary-2);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}
.member-desc {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: var(--leading-normal);
}

/* Join Container */
.join-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-16);
}
.join-text .section-title { text-align: left; }
.join-text .section-lead { text-align: left; margin-bottom: var(--space-8); }
.join-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.job-item {
  background: var(--glass-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  cursor: pointer;
  transition: var(--transition-default);
}
.job-item:hover {
  border-color: var(--primary-2);
  transform: var(--hover-slide);
  background: rgba(255,255,255,0.05);
}
.job-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}
.job-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--text);
}
.job-tag {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  background: rgba(59,211,255,0.1);
  color: var(--primary-2);
}
.job-req {
  font-size: var(--text-base);
  color: var(--muted);
}

/* News Utilities */
.news-date {
  font-size: var(--text-sm);
  color: var(--muted);
  margin-bottom: var(--space-2);
}
.preview-badge {
  display: inline-block;
  background: #ff9800;
  color: #fff;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  margin-left: var(--space-3);
}
.empty-state {
  text-align: center;
  color: var(--muted);
  padding: var(--space-8);
}
.rich-text-content {
  margin-top: var(--space-8);
}
.case-image-mt {
  margin-top: var(--space-8);
}

/* Helper for Glass BG */
.bg-glass {
  background: var(--color-bg-glass-subtle);
  border-top: var(--border-glass);
  border-bottom: var(--border-glass);
}

/* Profile Section */
.profile-content {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-16);
  align-items: center;
}

.profile-text p {
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--muted);
  margin-bottom: var(--space-5);
}

.profile-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

/* Profile Image Placeholder & Stat Card */
.profile-image-placeholder {
  width: 100%;
  height: 360px;
  background: var(--glass-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.profile-image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 60%;
  display: block;
}
.profile-image-placeholder .placeholder-icon {
  color: var(--muted);
  margin-bottom: var(--space-4);
  opacity: 0.5;
}
.profile-image-placeholder .placeholder-icon svg { width: 64px; height: 64px; }
.profile-image-placeholder .placeholder-text {
  color: var(--muted);
  font-size: var(--text-base);
  opacity: 0.7;
}

.stat-card {
  background: var(--glass-surface);
  border: 1px solid var(--border);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition-default);
}
.stat-card:hover {
  transform: var(--hover-lift-l1);
  background: rgba(255,255,255,0.05);
}
.stat-number {
  font-size: 42px;
  font-weight: var(--weight-bold);
  color: var(--primary-2);
  margin-bottom: var(--space-2);
}
.stat-desc {
  font-size: var(--text-base);
  color: var(--muted);
}

/* Theme Toggle */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
}

/* ==========================================================================
   Form Validation & Loading States
   ========================================================================== */
.form-group.has-error input,
.form-group.has-error textarea {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 4px rgba(255, 92, 92, 0.1);
}
.form-error-message {
  font-size: var(--text-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
  display: none;
}
.form-group.has-error .form-error-message { display: block; }

.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}
.btn-loading::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-left: var(--space-2);
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: btnSpin 0.6s linear infinite;
}
@keyframes btnSpin {
  to { transform: rotate(360deg); }
}

/* Legal Page Content */
.legal-content {
  max-width: 900px;
  margin: 0 auto;
  background: var(--glass-surface);
  padding: var(--space-10);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

/* ==========================================================================
   Media Queries
   ========================================================================== */

/* Desktop / Large Screens */
@media (min-width: 960px) {
  .nav { display: flex; }
  .nav-toggle { display: none; }
}

/* Tablet / Medium Screens (max-width: 959px) */
@media (max-width: 959px) {
  .lang-switcher { margin-left: 0; width: auto; display: inline-block; }
  .lang-btn { width: 44px; height: 44px; padding: 10px; }
  .lang-dropdown {
    right: auto;
    left: 0;
    top: auto;
    bottom: 100%;
    margin-bottom: 8px;
    margin-top: 0;
    min-width: 160px;
    transform: none;
    box-shadow: 0 -4px 16px rgba(0,0,0,0.25);
    border-radius: var(--radius-lg);
    padding: 6px;
  }
  .lang-dropdown.show { animation: slideUpFade 0.2s ease forwards; }
  .lang-option { padding: var(--space-3) var(--space-4); font-size: var(--btn-font-size); border-radius: var(--radius-sm); }
  @keyframes slideUpFade {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .hero, .hero-full { padding: 160px 0 96px; min-height: auto; display: block; }
  .hero-title { font-size: var(--text-3xl); max-width: 100%; }
  .hero-subtitle { font-size: var(--text-md); margin-bottom: var(--space-8); }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; }
  .hero-stats { margin-top: var(--space-10); gap: var(--space-4); }

  /* Grids */
  .grid.three, .team-grid, .feature-grid { grid-template-columns: 1fr 1fr; }
  .grid.four { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
  .process-grid::before { display: none; }
  .grid.auto { grid-template-columns: 1fr 1fr; }
  .case-row, .case-row.reverse { grid-template-columns: 1fr; gap: var(--space-6); padding: var(--space-6); }
  .case-media { order: -1; height: 200px; }
  
  .about { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; }
  
  /* Mobile Nav */
  .nav { display: none; }
  .nav.open {
    display: grid;
    grid-auto-flow: row;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    padding: var(--space-4);
    gap: var(--space-3);
    background: var(--mobile-nav-bg);
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 2px solid var(--primary-1);
    box-shadow: 0 12px 32px rgba(0,0,0,0.3);
    animation: navEnter .24s ease both;
  }
  .nav.closing { animation: navLeave .18s ease both; }
  .nav.open a { font-size: var(--text-md); padding: var(--space-3) var(--space-4); }
  
  .nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-2);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border);
    padding-left: 0;
  }
  
  .btn-primary { margin-left: 0; width: 100%; }
  .hero-actions .btn-primary { margin-left: 0; }
  .btn-primary, .btn-secondary, .btn-link { padding: 14px 18px; }
  
  .logos-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .product-row-card { flex-direction: column; }
  .product-row-left { flex: none; border-right: none; border-bottom: 1px solid var(--border); padding: var(--space-6); }
  .product-row-right { padding: var(--space-6); grid-template-columns: 1fr; gap: var(--space-6); }
  .detail-group-full { grid-column: auto; }
  
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .footer-brand-col { max-width: none; grid-column: span 2; }
  
  .join-container { grid-template-columns: 1fr; gap: var(--space-10); }
  
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .bento-item-large, .bento-item-tall { grid-column: span 2; grid-row: auto; }
  
  .profile-content { grid-template-columns: 1fr; gap: var(--space-10); }
  .profile-stats { grid-template-columns: repeat(3, 1fr); }

  .stat, .stat-item { padding: 6px 18px; }
}

/* Contact Page Breakpoint */
@media (max-width: 900px) {
  .contact-page-layout { grid-template-columns: 1fr; gap: var(--space-16); }
  .contact-page-layout .contact-form { grid-template-columns: 1fr; }
  .contact-page-layout .form-group.full-width,
  .contact-page-layout .btn-primary,
  .contact-page-layout .form-note { grid-column: span 1; }
  .contact-page-layout .contact-info { order: 2; }
  .contact-page-layout .contact-card { padding: var(--space-8); order: 1; }
  .contact-page-layout .info-header h2 { font-size: var(--text-3xl); }
}

/* Case detail responsive: TOC hidden below 960px */
@media (max-width: 960px) {
  .case-detail-layout {
    grid-template-columns: 1fr;
    max-width: 900px;
  }
  .case-toc { display: none; }
}

/* Tablet / Mobile Large (max-width: 768px) */
@media (max-width: 768px) {
  .grid.two { grid-template-columns: 1fr; }
  .case-detail-hero { padding: var(--space-10) 0 var(--space-6); }
  .case-detail-title { font-size: var(--text-2xl); margin-bottom: var(--space-4); }
  .case-detail-meta {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0;
    font-size: var(--text-sm);
    margin-bottom: var(--space-6);
  }
  .case-detail-meta span {
    padding: var(--space-2) var(--space-4);
    border-right: 1px solid var(--border);
  }
  .case-detail-meta span:last-child {
    border-right: none;
  }
  .case-stats { grid-template-columns: repeat(3, 1fr); margin-bottom: var(--space-6); }
  .case-stats .stat-item { padding: var(--space-4) var(--space-2); }
  .case-stats .stat-value { font-size: var(--text-2xl); }
  .case-stats .stat-label { font-size: var(--text-sm); }
  .cta-title { font-size: var(--text-2xl); }
  .cta-desc { font-size: var(--text-base); }
  .contact-page-layout .contact-form { grid-template-columns: 1fr; gap: var(--space-4); }
  .contact-page-layout .form-group.full-width { grid-column: span 1; }
  .contact-page-layout .btn-primary { grid-column: span 1; }
  .contact-card { padding: var(--space-6); }
  .contact-page-layout .contact-card { padding: var(--space-6); }
  .profile-image-placeholder { height: 240px; }
  .profile-image-placeholder img { object-position: center 70%; }
}

/* Mobile Small (max-width: 640px) */
@media (max-width: 640px) {
  .contact, .contact-page-layout { grid-template-columns: 1fr; gap: var(--space-8); }
  .contact-page-layout .contact-form { grid-template-columns: 1fr; }
  .contact-form input, .contact-form textarea { font-size: 16px; } /* Prevent iOS zoom */
  
  .grid.three, .team-grid, .feature-grid { grid-template-columns: 1fr; }
  .grid.four { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-item-large, .bento-item-tall { grid-column: span 1; }
  
  .grid.auto { grid-template-columns: 1fr; }
  .case-media { height: 180px; margin-top: 0; }
  .case-breadcrumb { margin-top: 72px; padding: var(--space-3) 0; }
  .case-breadcrumb .container { font-size: var(--text-base); }
  .breadcrumb-current { max-width: 180px; }
  .case-detail-hero { padding: var(--space-8) 0 var(--space-5); }
  .case-detail-title { font-size: var(--text-2xl); margin-bottom: var(--space-3); }
  .case-detail-meta { font-size: var(--text-sm); margin-bottom: var(--space-4); }
  .case-detail-meta span { padding: var(--space-2) var(--space-3); }
  .case-detail-layout { padding: 0 var(--space-4) var(--space-8); }
  .case-section { margin-bottom: var(--space-8); }
  .case-section h2 { font-size: var(--text-xl); margin-bottom: var(--space-4); }
  .hero-stats { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; gap: var(--space-4); }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: var(--hero-padding-top-mobile) 0 var(--hero-padding-bottom-mobile); }
  .hero-title { font-size: var(--text-3xl); }
  .section { padding: var(--section-padding-y-sm) 0; }
  .section-title { font-size: var(--text-2xl); }
  .section-lead { font-size: var(--text-md); }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
  .section-header .btn-link {
    align-self: stretch;
    text-align: center;
    justify-content: center;
    margin-top: 0;
  }
  .section-header .section-header-content { max-width: 100%; }
  
  .btn-primary, .btn-secondary, .btn-link { padding: 16px 18px; }
  .brand-mark { width: 36px; height: 36px; }
  .logos-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .partner-showcase { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 100%; gap: var(--space-2); }
  .partner-card { min-height: 72px; padding: var(--space-3) var(--space-2); }

  .breadcrumb-current { max-width: 160px; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand-col { grid-column: span 1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  
  .profile-stats { grid-template-columns: 1fr; }
}