/* ========================================
   BENFEI - 3C Electronic Accessories
   Global Stylesheet
   ======================================== */

/* ===== CSS Variables ===== */
:root {
  /* Colors */
  --color-primary: #0a1a3a;
  --color-primary-light: #1a3a6e;
  --color-accent: #2563eb;
  --color-accent-light: #3b82f6;
  --color-accent-dark: #1d4ed8;
  --color-gold: #f59e0b;
  --color-dark: #0f172a;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0a1a3a;
  --color-border: #e2e8f0;
  --color-white: #ffffff;

  /* Typography */
  --font-sans: 'Inter', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-display: 'Inter', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Sizing */
  --container-max: 1200px;
  --header-height: 72px;

  /* Effects */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* ===== Utility Classes ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

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

.section-sm {
  padding: var(--space-lg) 0;
}

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

.text-accent {
  color: var(--color-accent);
}

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

.bg-alt {
  background: var(--color-bg-alt);
}

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

/* ===== Typography ===== */
.section-tag {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
  padding: 6px 16px;
  background: rgba(37, 99, 235, 0.08);
  border-radius: 100px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.bg-dark .section-title {
  color: var(--color-white);
}

.bg-dark .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 100px;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}

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

.btn-dark:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.btn-light {
  background: var(--color-white);
  color: var(--color-dark);
  border: 1px solid var(--color-border);
}

.btn-light:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ===== Header / Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  transition: all var(--transition);
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}

.nav {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  margin-left: 16px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  transition: all var(--transition);
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, #0a1a3a 0%, #1a3a6e 50%, #2563eb 100%);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 60% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.05;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--color-white);
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: #4ade80;
  border-radius: 50%;
  box-shadow: 0 0 8px #4ade80;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #60a5fa, #93c5fd, #dbeafe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

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

.hero-stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

/* Hero floating shapes */
.hero-shape {
  position: absolute;
  border-radius: 20px;
  opacity: 0.08;
  backdrop-filter: blur(2px);
}

.hero-shape-1 {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  top: 15%;
  right: 8%;
  animation: float 6s ease-in-out infinite;
}

.hero-shape-2 {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  bottom: 15%;
  right: 22%;
  border-radius: 50%;
  animation: float 8s ease-in-out infinite reverse;
}

.hero-shape-3 {
  width: 150px;
  height: 150px;
  background: linear-gradient(135deg, #06b6d4, #22d3ee);
  top: 55%;
  right: 35%;
  animation: float 7s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(10deg); }
}

/* ===== Page Banner (for sub-pages) ===== */
.page-banner {
  padding: calc(var(--header-height) + 80px) 0 80px;
  background: linear-gradient(135deg, #0a1a3a 0%, #1a3a6e 100%);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(37, 99, 235, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
}

.page-banner-content {
  position: relative;
  z-index: 2;
}

.page-banner h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.page-banner p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 580px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

.breadcrumb a:hover {
  color: rgba(255, 255, 255, 0.9);
}

.breadcrumb .separator {
  opacity: 0.4;
}

/* ===== Feature Cards ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 64px;
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.05));
  color: var(--color-accent);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== Product Cards ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 64px;
}

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.product-image {
  height: 220px;
  background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-image-bg {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  transition: opacity var(--transition);
}

.product-card:hover .product-image-bg {
  opacity: 0.15;
}

.product-icon-large {
  position: relative;
  z-index: 2;
  width: 80px;
  height: 80px;
  color: var(--color-accent);
  transition: transform var(--transition);
}

.product-card:hover .product-icon-large {
  transform: scale(1.1);
}

.product-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-accent);
  z-index: 3;
}

.product-tag.hot {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.product-tag.new {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.product-info {
  padding: 28px;
}

.product-info h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.product-info p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-features span {
  font-size: 0.78rem;
  padding: 4px 10px;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  border-radius: 6px;
  font-weight: 500;
}

/* ===== About / Story Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 48px;
}

.about-text h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.about-text p {
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-list {
  margin-top: 24px;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--color-text);
  font-size: 0.95rem;
}

.about-list .check-icon {
  width: 22px;
  height: 22px;
  min-width: 22px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.about-list .check-icon svg {
  width: 14px;
  height: 14px;
}

.about-visual {
  position: relative;
}

.about-visual-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-xl);
  padding: 48px;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.about-visual-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.about-visual-num {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 12px;
  position: relative;
}

.about-visual-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  position: relative;
}

.about-visual-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  position: relative;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.about-visual-stat-num {
  font-size: 1.8rem;
  font-weight: 700;
}

.about-visual-stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 4px;
}

/* ===== Stats Bar ===== */
.stats-bar {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  padding: 64px 0;
  color: var(--color-white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  padding: 0 16px;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 60px;
  background: rgba(255, 255, 255, 0.15);
}

.stat-num {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-num .suffix {
  font-size: 1.5rem;
  opacity: 0.8;
}

.stat-label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 64px auto 0;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-border));
}

.timeline-item {
  position: relative;
  padding-bottom: 48px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -34px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.timeline-year {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.timeline-content h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.timeline-content p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== Values / Culture Cards ===== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
  margin-top: 64px;
}

.value-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
  transition: all var(--transition);
  border: 1px solid transparent;
}

.value-card:hover {
  background: var(--color-white);
  border-color: var(--color-border);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.value-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-white);
}

.value-icon svg {
  width: 30px;
  height: 30px;
}

.value-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.value-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== Contact Section ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  margin-top: 64px;
}

.contact-info-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-xl);
  padding: 48px;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.contact-info-card::before {
  content: '';
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 250px;
  height: 250px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.contact-info-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
}

.contact-info-card > p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  position: relative;
  line-height: 1.7;
}

.contact-info-list {
  position: relative;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.contact-info-icon svg {
  width: 20px;
  height: 20px;
}

.contact-info-text .label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 2px;
}

.contact-info-text .value {
  font-size: 1rem;
  font-weight: 500;
}

.contact-social {
  display: flex;
  gap: 12px;
  margin-top: 36px;
  position: relative;
}

.contact-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: all var(--transition);
}

.contact-social a:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.contact-social svg {
  width: 20px;
  height: 20px;
}

/* Contact Form */
.contact-form-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-md);
}

.contact-form-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.contact-form-card > p {
  color: var(--color-text-muted);
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.form-group label .required {
  color: #ef4444;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg-alt);
  transition: all var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-accent);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control::placeholder {
  color: var(--color-text-light);
}

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

.form-submit {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 1rem;
}

.form-message {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

/* ===== Map Section ===== */
.map-section {
  background: var(--color-bg-alt);
}

.map-wrapper {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-top: 48px;
  border: 1px solid var(--color-border);
}

.map-wrapper iframe {
  width: 100%;
  height: 420px;
  border: 0;
  display: block;
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  padding: 80px 0;
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta-section p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  margin: 0 auto 32px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-3px);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-white);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  min-width: 18px;
  color: var(--color-accent-light);
  margin-top: 2px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* ===== Scroll Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .section-title {
    font-size: 2rem;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .stat-item:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-lg) 0;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    transition: transform var(--transition);
    border-top: 1px solid var(--color-border);
  }

  .nav-menu.active {
    transform: translateY(0);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 8px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-desc {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 28px;
    flex-wrap: wrap;
  }

  .hero-stat-num {
    font-size: 1.8rem;
  }

  .page-banner h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .cta-section h2 {
    font-size: 1.8rem;
  }

  .contact-form-card,
  .contact-info-card {
    padding: 32px 24px;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

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

  .stat-item::after {
    display: none !important;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}