/* ============================================
   创年科技 - 企业官网 V1.0
   完整样式表 (Desktop 1440px + Mobile 375px)
   ============================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Brand Colors */
  --color-primary: #014DB2;
  --color-primary-light: #3B82F6;
  --color-primary-dark: #003d8f;
  --color-primary-bg: #EFF6FF;
  
  /* Neutral Colors */
  --color-bg: #F8FAFC;
  --color-card: #FFFFFF;
  --color-text: #0A1628;
  --color-text-secondary: #6B7280;
  --color-text-muted: #9CA3AF;
  --color-border: #E5E7EB;
  --color-footer: #0A1012;
  --color-footer-text: #9CA3AF;
  
  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #014DB2 0%, #3B82F6 100%);
  --gradient-card-img: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-blue-soft: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  --gradient-text: linear-gradient(135deg, #014DB2 0%, #3B82F6 100%);
  
  /* Typography */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  
  /* Spacing */
  --space-section: 80px;
  --space-section-mobile: 48px;
  --content-width: 1200px;
  --content-width-mobile: 343px;
  --page-width: 1440px;
  --page-width-mobile: 375px;
  
  /* Radius */
  --radius-card: 12px;
  --radius-button: 8px;
  --radius-badge: 100px;
  --radius-input: 8px;
  
  /* Shadows */
  --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 8px 24px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
  --shadow-blue: 0 4px 16px rgba(1, 77, 178, 0.25);
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition);
}

input, textarea, select {
  font-family: inherit;
  outline: none;
}

ul, ol {
  list-style: none;
}

/* ---------- Utilities ---------- */
.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 120px;
}

.text-center { text-align: center; }
.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-badge);
  letter-spacing: 0.02em;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-badge);
  margin-bottom: 16px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-button);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(1, 77, 178, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
}

.btn-white {
  background: #fff;
  color: var(--color-primary);
}

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

.btn-ghost {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.3);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.5);
}

/* ---------- Navigation ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 64px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
}

.nav-brand .logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-hero);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: 4px 0;
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -22px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta .btn {
  padding: 8px 20px;
  font-size: 14px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Overlay */
.mobile-menu {
  display: none;
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  z-index: 999;
  padding: 24px 16px;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 8px;
  transition: var(--transition);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.mobile-menu .btn {
  margin-top: 16px;
  width: 100%;
}

/* ---------- Hero Sections ---------- */
.page-hero {
  background: var(--gradient-blue-soft);
  padding: 64px 0 56px;
  text-align: center;
}

.page-hero h1 {
  font-size: 40px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.page-hero p {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Home Hero */
.home-hero {
  position: relative;
  background: linear-gradient(135deg, #014DB2 0%, #1a5fc0 50%, #3B82F6 100%);
  padding: 80px 0 80px;
  overflow: hidden;
}

.home-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.home-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.home-hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.home-hero .badge {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
  margin-bottom: 24px;
}

.home-hero h1 {
  font-size: 48px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.home-hero h1 .highlight {
  background: linear-gradient(135deg, #60A5FA 0%, #93C5FD 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.home-hero p {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.home-hero .hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  margin-top: 56px;
  position: relative;
  z-index: 1;
}

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

.hero-stat .num {
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.hero-stat .label {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-top: 8px;
}

/* ---------- Sections ---------- */
.section {
  padding: var(--space-section) 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ---------- Capabilities Cards ---------- */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.capability-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  transition: var(--transition);
}

.capability-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.capability-card .icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-card);
  background: var(--gradient-blue-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.capability-card .icon-box svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.capability-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.capability-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.capability-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}

.capability-card .card-link:hover {
  gap: 10px;
}

/* ---------- Stats Section ---------- */
.stats-section {
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.stat-item .num {
  font-size: 40px;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-item .label {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-top: 8px;
}

/* ---------- Cases Preview ---------- */
.cases-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-preview-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
}

.case-preview-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.case-preview-card .card-img {
  height: 200px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-preview-card .card-img .img-label {
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  font-weight: 500;
}

.case-preview-card .card-body {
  padding: 24px;
}

.case-preview-card .card-category {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-badge);
  margin-bottom: 12px;
}

.case-preview-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.case-preview-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.case-preview-card .card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.case-preview-card .card-link:hover {
  gap: 10px;
}

/* ---------- CTA Section ---------- */
.cta-section {
  background: var(--gradient-hero);
  padding: 64px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
}

/* ---------- About Page ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-intro .intro-content h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.about-intro .intro-content p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-intro .intro-visual {
  height: 400px;
  background: var(--gradient-hero);
  border-radius: var(--radius-card);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-intro .intro-visual::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.about-intro .intro-visual .visual-text {
  color: #fff;
  font-size: 24px;
  font-weight: 600;
  text-align: center;
  z-index: 1;
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  text-align: center;
  transition: var(--transition);
}

.value-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.value-card .icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--gradient-blue-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.value-card .icon-circle svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

.value-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.value-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ---------- Products Page ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px;
  transition: var(--transition);
  display: flex;
  gap: 24px;
}

.product-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.product-card .product-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-card);
  background: var(--gradient-blue-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card .product-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.product-card .product-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.product-card .product-content p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

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

.product-card .product-features li {
  padding: 4px 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-badge);
  font-size: 12px;
  color: var(--color-text-secondary);
}

/* ---------- Cases Page ---------- */
.filter-tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-badge);
  transition: var(--transition);
}

.filter-tab:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

.filter-tab.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
}

.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.case-card .card-img {
  height: 200px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-card .card-img.gradient-1 { background: linear-gradient(135deg, #667eea, #764ba2); }
.case-card .card-img.gradient-2 { background: linear-gradient(135deg, #f093fb, #f5576c); }
.case-card .card-img.gradient-3 { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.case-card .card-img.gradient-4 { background: linear-gradient(135deg, #43e97b, #38f9d7); }
.case-card .card-img.gradient-5 { background: linear-gradient(135deg, #fa709a, #fee140); }
.case-card .card-img.gradient-6 { background: linear-gradient(135deg, #30cfd0, #330867); }

.case-card .card-img .img-label {
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  font-weight: 500;
}

.case-card .card-body {
  padding: 24px;
}

.case-card .card-category {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-badge);
  margin-bottom: 12px;
}

.case-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.case-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.case-card .card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.case-card .card-link:hover { gap: 10px; }

/* Logos Section */
.logos-section {
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
}

.logos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.logo-placeholder {
  height: 56px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 500;
  transition: var(--transition);
}

.logo-placeholder:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

/* ---------- News Page ---------- */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.news-item {
  display: flex;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item:hover {
  padding-left: 8px;
}

.news-item .news-date {
  flex-shrink: 0;
  width: 90px;
}

.news-item .news-date .day {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.news-item .news-date .month {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.news-item .news-body {
  flex: 1;
}

.news-item .news-tag {
  display: inline-block;
  padding: 2px 10px;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-badge);
  margin-bottom: 8px;
}

.news-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  transition: var(--transition);
}

.news-item:hover h3 {
  color: var(--color-primary);
}

.news-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.load-more-wrapper {
  text-align: center;
  margin-top: 40px;
}

/* ---------- Contact Page ---------- */
.contact-section {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 48px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-info-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 24px;
  display: flex;
  gap: 16px;
  transition: var(--transition);
}

.contact-info-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.contact-info-card .info-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-button);
  background: var(--gradient-blue-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info-card .info-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.contact-info-card .info-content h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.contact-info-card .info-content p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Contact Form */
.contact-form {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 40px;
}

.contact-form h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(1, 77, 178, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

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

.contact-form .btn {
  width: 100%;
  margin-top: 8px;
}

/* Map Section */
.map-section {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.map-section .map-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--color-border);
}

.map-section .map-header h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.map-section .map-header p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.map-placeholder {
  height: 280px;
  background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 50%, #a5b4fc 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.map-placeholder .map-pin {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}

.map-placeholder .map-pin svg {
  transform: rotate(45deg);
  width: 24px;
  height: 24px;
  color: #fff;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-footer);
  padding: 56px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 300px 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand .footer-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-hero);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}

.footer-brand .footer-logo span {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.footer-brand p {
  font-size: 14px;
  color: var(--color-footer-text);
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.footer-brand .social-links a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer-brand .social-links a:hover {
  background: var(--color-primary);
}

.footer-brand .social-links svg {
  width: 18px;
  height: 18px;
  color: #fff;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: var(--color-footer-text);
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--color-footer-text);
}

.footer-bottom .icp {
  font-size: 13px;
  color: var(--color-footer-text);
}

.footer-bottom .icp a {
  color: var(--color-footer-text);
}

.footer-bottom .icp a:hover {
  color: #fff;
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ---------- 404 Page ---------- */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-page .error-code {
  font-size: 96px;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.error-page h1 {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text);
  margin: 16px 0 8px;
}

.error-page p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

/* ============================================
   RESPONSIVE - Mobile (375px)
   ============================================ */
@media (max-width: 768px) {
  :root {
    --space-section: 48px;
  }

  .container {
    padding: 0 16px;
  }

  /* Navigation */
  .navbar {
    height: 56px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-brand {
    font-size: 16px;
  }

  .nav-brand .logo-icon {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }

  /* Page Hero */
  .page-hero {
    padding: 40px 0 32px;
  }

  .page-hero h1 {
    font-size: 28px;
  }

  .page-hero p {
    font-size: 14px;
  }

  /* Home Hero */
  .home-hero {
    padding: 48px 0;
  }

  .home-hero h1 {
    font-size: 28px;
  }

  .home-hero p {
    font-size: 15px;
    margin-bottom: 24px;
  }

  .home-hero .hero-actions {
    flex-direction: column;
    gap: 12px;
  }

  .home-hero .hero-actions .btn {
    width: 100%;
  }

  .hero-stats {
    gap: 24px;
    margin-top: 36px;
  }

  .hero-stat .num {
    font-size: 24px;
  }

  .hero-stat .label {
    font-size: 12px;
  }

  /* Section Headers */
  .section-header h2 {
    font-size: 24px;
  }

  .section-header p {
    font-size: 14px;
  }

  /* Capabilities */
  .capabilities-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .capability-card {
    padding: 24px 20px;
  }

  .capability-card .icon-box {
    width: 48px;
    height: 48px;
  }

  .capability-card h3 {
    font-size: 18px;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .stat-item .num {
    font-size: 28px;
  }

  /* Cases Preview */
  .cases-preview-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .case-preview-card .card-img {
    height: 160px;
  }

  /* CTA */
  .cta-section {
    padding: 40px 0;
  }

  .cta-section h2 {
    font-size: 22px;
  }

  .cta-section p {
    font-size: 14px;
    margin-bottom: 24px;
  }

  /* About */
  .about-intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about-intro .intro-content h2 {
    font-size: 24px;
  }

  .about-intro .intro-content p {
    font-size: 14px;
  }

  .about-intro .intro-visual {
    height: 240px;
  }

  .values-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .value-card {
    padding: 24px 20px;
  }

  /* Products */
  .products-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .product-card {
    padding: 24px 20px;
    flex-direction: column;
    gap: 16px;
  }

  /* Filter Tabs */
  .filter-tabs {
    gap: 8px;
    margin-bottom: 24px;
  }

  .filter-tab {
    padding: 6px 14px;
    font-size: 13px;
  }

  /* Cases Grid */
  .cases-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .case-card .card-img {
    height: 160px;
  }

  /* Logos */
  .logos-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* News */
  .news-item {
    gap: 16px;
    padding: 20px 0;
  }

  .news-item .news-date {
    width: 60px;
  }

  .news-item .news-date .day {
    font-size: 20px;
  }

  .news-item h3 {
    font-size: 16px;
  }

  .news-item p {
    font-size: 13px;
  }

  /* Contact */
  .contact-section {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .contact-info-card {
    padding: 16px;
  }

  .contact-form {
    padding: 24px 20px;
  }

  .contact-form h3 {
    font-size: 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  /* Map */
  .map-section .map-header {
    padding: 16px 20px;
  }

  .map-placeholder {
    height: 200px;
  }

  /* Footer */
  .footer {
    padding: 32px 0 0;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-bottom: 24px;
  }

  .footer-brand .footer-logo span {
    font-size: 16px;
  }

  .footer-brand p {
    font-size: 13px;
  }

  .footer-col h4 {
    font-size: 13px;
    margin-bottom: 12px;
  }

  .footer-col ul li a {
    font-size: 13px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    padding: 16px 0;
  }

  .footer-bottom p,
  .footer-bottom .icp {
    font-size: 12px;
  }
}

/* ---------- Tablet (768px - 1024px) ---------- */
@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    padding: 0 40px;
  }

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

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

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

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

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

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

  .home-hero h1 {
    font-size: 36px;
  }

  .section-header h2 {
    font-size: 28px;
  }
}