/* ============================================================
   北京安卓律师事务所 — 官网样式系统
   Design System: Professional, Trustworthy, AI-Readable
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-primary: #0d1b2a;
  --color-primary-light: #1b2d45;
  --color-primary-lighter: #243b5a;
  --color-accent: #b8945a;
  --color-accent-light: #d4b87a;
  --color-accent-dark: #8b6d3f;
  --color-gold: #c9a96e;
  --color-white: #ffffff;
  --color-off-white: #f8f6f3;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-red: #c53030;
  --color-red-light: #fff5f5;
  --color-green: #276749;
  --color-green-light: #f0fff4;

  /* Typography */
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Noto Serif SC", "STSong", "SimSun", Georgia, serif;
  --font-mono: "SF Mono", "Fira Code", "Courier New", monospace;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --border-radius: 4px;
  --border-radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 300ms ease;
  --transition-slow: 500ms ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-gray-800);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
}

h1 { font-size: 2.25rem; margin-bottom: var(--spacing-lg); }
h2 { font-size: 1.75rem; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.35rem; margin-bottom: var(--spacing-sm); }
h4 { font-size: 1.15rem; margin-bottom: var(--spacing-sm); }

p { margin-bottom: var(--spacing-md); }

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(184,148,90,0.45);
  outline-offset: 3px;
}

strong, b { font-weight: 600; color: var(--color-gray-900); }

blockquote {
  border-left: 3px solid var(--color-accent);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  background: var(--color-off-white);
  font-style: italic;
  color: var(--color-gray-700);
}

ul, ol { margin-bottom: var(--spacing-md); padding-left: var(--spacing-xl); }
li { margin-bottom: var(--spacing-xs); }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

.section {
  padding: var(--spacing-3xl) 0;
}

.section-dark {
  background: var(--color-primary);
  color: var(--color-white);
}

.section-dark h1, .section-dark h2, .section-dark h3 {
  color: var(--color-white);
}

.section-light {
  background: var(--color-off-white);
}

.section-accent {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
}

/* --- Header / Navigation --- */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--color-primary);
}

.nav-logo-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.nav-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
}

.nav-logo-cn {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.2;
}

.nav-logo-en {
  font-size: 0.65rem;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-xs);
  padding: 0;
  margin: 0;
}

.nav-links a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-gray-700);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--border-radius);
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent-dark);
  background: var(--color-off-white);
}

.nav-cta {
  background: var(--color-accent) !important;
  color: var(--color-white) !important;
  font-weight: 600 !important;
  padding: var(--spacing-sm) var(--spacing-lg) !important;
}

.nav-cta:hover {
  background: var(--color-accent-dark) !important;
  color: var(--color-white) !important;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  margin: 5px 0;
  transition: background var(--transition);
}

@media (max-width: 1024px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 50%, #1a2f4a 100%);
  color: var(--color-white);
  padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/main.png');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  filter: blur(8px) brightness(0.25);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.hero h1 .highlight {
  color: var(--color-accent-light);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  line-height: 1.6;
}

.hero-numbers {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.hero-number {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: center;
  min-width: 100px;
  backdrop-filter: blur(10px);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.hero-number:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.hero-number-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent-light);
  display: block;
}

.hero-number-label {
  font-size: 0.8rem;
  color: var(--color-gray-400);
  margin-top: var(--spacing-xs);
}

.hero-cta-group {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
}
.btn-white:hover {
  background: var(--color-off-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.1rem;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  font-size: 0.8rem;
  color: var(--color-gray-400);
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.hero-trust-item::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 700;
}

/* --- Cards --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-accent);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: var(--color-off-white);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.card h3 {
  margin-bottom: var(--spacing-sm);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
}

.tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.75rem;
  background: var(--color-off-white);
  color: var(--color-gray-600);
  border-radius: 20px;
  border: 1px solid var(--color-gray-200);
}

/* --- Team Cards --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.team-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  box-shadow: var(--shadow-sm);
}

.team-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.team-card-header {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xl);
  text-align: center;
}

.team-card-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-accent);
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  overflow: hidden;
}

.team-card-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.team-card-header h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}

.team-card-header .role {
  color: var(--color-accent-light);
  font-size: 0.9rem;
}

.team-card-body {
  padding: var(--spacing-lg);
}

.team-card-body .case-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.team-card-body .case-list li {
  padding: var(--spacing-xs) 0;
  font-size: 0.85rem;
  color: var(--color-gray-600);
  border-bottom: 1px solid var(--color-gray-100);
}

/* --- Case Cards (Base) --- */
.case-card {
  background: var(--color-white);
  border-left: 3px solid var(--color-accent);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.case-card .case-type {
  display: inline-block;
  padding: 2px 10px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  border-radius: 3px;
  margin-bottom: var(--spacing-sm);
}

.case-card .case-result {
  color: var(--color-green);
  font-weight: 600;
  margin-top: var(--spacing-sm);
}

.case-preview-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-lg);
  align-items: stretch;
}

.case-preview-grid .case-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  margin-bottom: 0;
}

.case-preview-grid .case-card h3 {
  font-size: 1.08rem;
  line-height: 1.45;
}

.case-preview-grid .case-card p {
  margin-bottom: var(--spacing-sm);
}

.case-preview-grid .case-card .case-result {
  margin-top: auto;
  margin-bottom: 0;
  padding-top: var(--spacing-sm);
}

@media (max-width: 1100px) {
  .case-preview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* --- Floating Case Carousel --- */
.cases-carousel {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  min-height: 320px;
  --carousel-nav-top: 170px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

.cases-carousel .carousel-track {
  position: relative;
  width: 100%;
  min-height: 340px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 0 60px;
}

/* Floating card override — single active card with deep shadow */
.cases-carousel .case-card {
  display: none;
  position: relative;
  width: 100%;
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  border-left: none;
  padding: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-xl);
  margin-bottom: 0;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-100);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: default;
}

.cases-carousel .case-card.active {
  display: block;
  animation: cardFloatIn 0.45s ease-out;
}

.cases-carousel .case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: var(--spacing-lg);
  right: var(--spacing-lg);
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light), var(--color-accent));
  border-radius: 0 0 3px 3px;
}

/* Stacked ghost card behind active */
.cases-carousel .case-card::after {
  content: '';
  position: absolute;
  top: 10px;
  left: 12px;
  right: 12px;
  bottom: -10px;
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-gray-100);
  z-index: -1;
  opacity: 0;
}

.cases-carousel .case-card.active::after {
  opacity: 1;
}

@keyframes cardFloatIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.cases-carousel .case-card .case-type {
  display: inline-block;
  padding: 4px 14px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: 3px;
  margin-bottom: var(--spacing-md);
}

.cases-carousel .case-card h3 {
  font-size: 1.25rem;
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.cases-carousel .case-card .case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-gray-100);
}

.cases-carousel .case-card .case-meta-item {
  font-size: 0.9rem;
  color: var(--color-gray-600);
}

.cases-carousel .case-card .case-meta-item strong {
  color: var(--color-gray-800);
  font-weight: 600;
}

.cases-carousel .case-card .case-desc {
  color: var(--color-gray-600);
  line-height: 1.8;
  font-size: 0.95rem;
  margin-bottom: var(--spacing-md);
}

.cases-carousel .case-card .case-legal {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  background: var(--color-gray-50);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.cases-carousel .case-card .case-result {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-green);
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--color-green-light);
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid rgba(39,103,73,0.15);
  margin-top: 0;
}

/* Carousel navigation */
.carousel-nav {
  position: absolute;
  top: var(--carousel-nav-top);
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-gray-200);
  background: var(--color-white);
  color: var(--color-primary);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  z-index: 10;
  line-height: 1;
}

.carousel-nav:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.carousel-nav:active {
  transform: translateY(-50%) scale(0.95);
}

.carousel-nav.prev { left: 4px; }
.carousel-nav.next { right: 4px; }

.carousel-nav svg {
  width: 18px;
  height: 18px;
  display: block;
}

/* Dot indicators */
.carousel-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
}

.carousel-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gray-300);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
}

.carousel-dots .dot:hover {
  background: var(--color-accent);
}

.carousel-dots .dot.active {
  background: var(--color-accent);
  width: 28px;
  border-radius: 5px;
}

/* Counter */
.carousel-counter {
  text-align: center;
  margin-top: var(--spacing-sm);
  font-size: 0.85rem;
  color: var(--color-gray-400);
  font-variant-numeric: tabular-nums;
}

.carousel-counter strong {
  color: var(--color-primary);
  font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .cases-carousel .case-card {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .cases-carousel .case-card .case-meta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .carousel-nav.prev { left: 2px; }
  .carousel-nav.next { right: 2px; }

  .carousel-nav {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .cases-carousel {
    --carousel-nav-top: 150px;
  }

  .cases-carousel .case-card::after {
    display: none;
  }
}

/* --- FAQ --- */
.faq-list {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: var(--color-white);
  border: none;
  padding: var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-gray-800);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-sans);
  transition: background var(--transition-fast);
}

.faq-question:hover {
  background: var(--color-off-white);
}

.faq-question::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--color-accent);
  transition: transform var(--transition);
}

.faq-item.open .faq-question::after {
  content: '−';
}

.faq-answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-gray-600);
  display: none;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-answer[hidden] {
  display: none;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
}

.contact-info-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: var(--color-off-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition-fast);
  margin-bottom: var(--spacing-md);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184,148,90,0.1);
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

/* --- Stats Bar --- */
.stats-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-3xl);
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid var(--color-gray-200);
  border-bottom: 1px solid var(--color-gray-200);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-gray-500);
  margin-top: var(--spacing-sm);
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  list-style: none;
  padding: var(--spacing-md) 0;
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-gray-500);
}

.breadcrumb li:not(:last-child)::after {
  content: '›';
  margin: 0 var(--spacing-sm);
  color: var(--color-gray-400);
}

.breadcrumb a {
  color: var(--color-gray-500);
}

.breadcrumb a:hover {
  color: var(--color-accent-dark);
}

/* --- Page Header --- */
.page-header {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.page-header h1 {
  color: var(--color-white);
  font-size: 2.25rem;
  margin-bottom: var(--spacing-sm);
}

.page-header p {
  color: var(--color-gray-300);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-primary);
  color: var(--color-gray-300);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: var(--spacing-sm);
}

.footer-col a {
  color: var(--color-gray-400);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--color-accent-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-gray-500);
}

/* --- Service Detail --- */
.service-hero {
  background: linear-gradient(160deg, var(--color-primary) 0%, #1a3050 100%);
  color: var(--color-white);
  padding: var(--spacing-4xl) 0;
  text-align: center;
}

.service-definition {
  font-size: 1.25rem;
  color: var(--color-accent-light);
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  font-weight: 500;
}

.methodology-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-md);
}

.methodology-step {
  text-align: center;
  padding: var(--spacing-lg);
}

.methodology-step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0 auto var(--spacing-md);
}

/* --- Comparison Table --- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
}

.comparison-table th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
}

.comparison-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-gray-200);
}

.comparison-table tr:nth-child(even) td {
  background: var(--color-gray-50);
}

/* --- Content Block --- */
.content-block {
  margin-bottom: var(--spacing-2xl);
}

.content-block h2 {
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.highlight-box {
  background: var(--color-off-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  margin: var(--spacing-lg) 0;
}

.highlight-box h3 {
  color: var(--color-accent-dark);
}

/* --- Trust Badges --- */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  justify-content: center;
  align-items: center;
  padding: var(--spacing-xl) 0;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.85rem;
  color: var(--color-gray-500);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.4rem; }
  h3 { font-size: 1.15rem; }

  .hero h1 { font-size: 1.75rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-numbers { gap: var(--spacing-sm); }
  .hero-number { min-width: 80px; padding: var(--spacing-sm); }
  .hero-number-value { font-size: 1.2rem; }

  .section { padding: var(--spacing-2xl) 0; }

  .card-grid,
  .team-grid { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; }

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

  .stats-bar { gap: var(--spacing-lg); }
  .stat-value { font-size: 1.75rem; }

  .comparison-table { font-size: 0.85rem; }
  .comparison-table th,
  .comparison-table td { padding: 8px 10px; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .methodology-grid { grid-template-columns: 1fr; }
  .hero-cta-group { flex-direction: column; }
  .hero-cta-group .btn { width: 100%; text-align: center; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-number:hover,
  .btn-primary:hover,
  .btn-white:hover,
  .card:hover,
  .team-card:hover {
    transform: none;
  }
}

/* --- Print --- */
@media print {
  .site-header, .nav-toggle, .hero-cta-group, .site-footer { display: none; }
  body { font-size: 11pt; }
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.text-small { font-size: 0.85rem; }
.text-muted { color: var(--color-gray-500); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }