/* ============================================
   必火交易所 - 全局样式表
   主题: 深色科技风 + 霓虹绿紫渐变
   ============================================ */

/* CSS Variables */
:root {
  --primary-color: #00d4ff;
  --secondary-color: #7b2ff7;
  --accent-color: #00ff88;
  --dark-bg: #0a0e17;
  --dark-surface: #131822;
  --dark-card: #1a2030;
  --dark-border: #2a3040;
  --text-primary: #ffffff;
  --text-secondary: #b8c0d0;
  --text-muted: #6b7590;
  --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7b2ff7 100%);
  --gradient-accent: linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 12px;
  --container-max: 1200px;
}

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

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

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

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

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

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--dark-border);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.brand-logo {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: white;
  box-shadow: var(--shadow-glow);
}

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

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

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 15px;
  position: relative;
  padding: 8px 0;
}

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.5);
  color: white;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--dark-border);
}

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

.btn-large {
  padding: 16px 40px;
  font-size: 16px;
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--dark-bg);
  box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 255, 136, 0.5);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 8px;
}

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  padding: 180px 0 120px;
  overflow: hidden;
  background: radial-gradient(ellipse at top, rgba(123, 47, 247, 0.15) 0%, transparent 50%),
              radial-gradient(ellipse at bottom right, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
              var(--dark-bg);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(42, 48, 64, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 48, 64, 0.3) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.5;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text {
  animation: fadeInLeft 0.8s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 50px;
  font-size: 14px;
  color: var(--primary-color);
  margin-bottom: 24px;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-color);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #ffffff 0%, #b8c0d0 50%, #00d4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

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

.hero-stat-item {
  padding: 16px;
  background: rgba(26, 32, 48, 0.6);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}

.hero-stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-color);
}

.hero-stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.hero-visual {
  position: relative;
  animation: fadeInRight 0.8s ease-out;
}

.hero-image-wrapper {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.hero-image-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(123, 47, 247, 0.2) 100%);
  pointer-events: none;
}

.floating-card {
  position: absolute;
  background: rgba(26, 32, 48, 0.95);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
  animation: float 6s ease-in-out infinite;
}

.floating-card.card-1 {
  top: 10%;
  left: -40px;
  animation-delay: 0s;
}

.floating-card.card-2 {
  bottom: 20%;
  right: -30px;
  animation-delay: 2s;
}

.floating-card-title {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.floating-card-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-color);
}

.floating-card-change {
  font-size: 12px;
  color: var(--accent-color);
}

/* ============================================
   Market Ticker
   ============================================ */
.market-ticker {
  background: var(--dark-surface);
  border-bottom: 1px solid var(--dark-border);
  padding: 12px 0;
  overflow: hidden;
}

.ticker-wrapper {
  display: flex;
  gap: 48px;
  animation: tickerScroll 30s linear infinite;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.ticker-symbol {
  font-weight: 600;
  color: var(--text-primary);
}

.ticker-price {
  color: var(--text-secondary);
}

.ticker-change {
  font-size: 14px;
  font-weight: 500;
}

.ticker-change.positive {
  color: var(--accent-color);
}

.ticker-change.negative {
  color: #ff4757;
}

/* ============================================
   Section Common Styles
   ============================================ */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--primary-color);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
}

.section-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ============================================
   Features Section
   ============================================ */
.features {
  background: var(--dark-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: var(--shadow-card);
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(123, 47, 247, 0.2));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
}

.feature-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}

/* ============================================
   Services Section
   ============================================ */
.services {
  background: var(--dark-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--dark-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--dark-border);
  display: flex;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(0, 212, 255, 0.3);
}

.service-image {
  width: 200px;
  min-height: 200px;
  overflow: hidden;
  flex-shrink: 0;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
  transform: scale(1.1);
}

.service-content {
  padding: 32px;
  flex: 1;
}

.service-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-content p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 16px;
}

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

.service-features-list li {
  padding: 4px 12px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--primary-color);
  border-radius: 50px;
  font-size: 13px;
}

/* ============================================
   Products Section
   ============================================ */
.products {
  background: var(--dark-bg);
}

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

.product-item {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.product-item:hover {
  transform: translateY(-6px);
  border-color: var(--primary-color);
  box-shadow: 0 12px 40px rgba(0, 212, 255, 0.2);
}

.product-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}

.product-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-item p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ============================================
   Detailed Content / About Section
   ============================================ */
.detailed-content {
  background: var(--dark-surface);
}

.content-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.content-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.content-text h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

.content-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.content-list {
  margin: 24px 0;
}

.content-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--dark-border);
}

.content-list li:last-child {
  border-bottom: none;
}

.content-list-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: white;
  margin-top: 2px;
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
  background: var(--dark-bg);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--primary-color);
}

.faq-question {
  width: 100%;
  padding: 24px 28px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
}

.faq-question-icon {
  width: 24px;
  height: 24px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-question-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 28px 24px;
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
  background: linear-gradient(135deg, #0a0e17 0%, #1a2030 100%);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(123, 47, 247, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  text-align: center;
  z-index: 2;
}

.cta h2 {
  font-size: 44px;
  font-weight: 800;
  margin-bottom: 20px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: #060810;
  border-top: 1px solid var(--dark-border);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  margin-bottom: 20px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

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

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

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
  font-size: 18px;
}

.footer-social a:hover {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

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

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

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

.footer-bottom {
  border-top: 1px solid var(--dark-border);
  padding-top: 30px;
  text-align: center;
}

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

/* ============================================
   Page Banner (inner pages)
   ============================================ */
.page-banner {
  padding: 160px 0 80px;
  background: radial-gradient(ellipse at top, rgba(123, 47, 247, 0.15) 0%, transparent 50%),
              var(--dark-bg);
  text-align: center;
}

.page-banner h1 {
  font-size: 44px;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #ffffff 0%, #00d4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-banner p {
  color: var(--text-secondary);
  font-size: 17px;
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 14px;
}

.breadcrumb a {
  color: var(--text-secondary);
}

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

/* ============================================
   News Section
   ============================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.news-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: var(--primary-color);
}

.news-image {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card:hover .news-image img {
  transform: scale(1.08);
}

.news-content {
  padding: 24px;
}

.news-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.news-category {
  color: var(--primary-color);
}

.news-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.5;
  color: var(--text-primary);
  transition: var(--transition);
}

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

.news-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* News Detail */
.news-detail-article {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 0;
}

.news-detail-header {
  margin-bottom: 40px;
}

.news-detail-header h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 20px;
}

.news-detail-meta {
  display: flex;
  gap: 24px;
  color: var(--text-muted);
  font-size: 14px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--dark-border);
}

.news-detail-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-secondary);
}

.news-detail-content p {
  margin-bottom: 24px;
}

.news-detail-content h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 40px 0 20px;
  color: var(--text-primary);
}

.news-detail-content img {
  border-radius: var(--radius);
  margin: 32px 0;
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 24px;
}

.contact-info-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-info-text strong {
  display: block;
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.contact-info-text span {
  color: var(--text-secondary);
  font-size: 14px;
}

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

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: var(--dark-bg);
  border: 1px solid var(--dark-border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 15px;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* ============================================
   About Page
   ============================================ */
.about-intro {
  padding: 80px 0;
}

.about-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.stat-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
}

.stat-number {
  font-size: 42px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

.team-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-color);
}

.team-image {
  aspect-ratio: 1;
  overflow: hidden;
}

.team-info {
  padding: 24px;
}

.team-info h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.team-role {
  color: var(--primary-color);
  font-size: 14px;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

@keyframes tickerScroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* Scroll Animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 40px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    max-width: 500px;
    margin: 0 auto;
  }

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

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

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

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

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

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

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

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--dark-surface);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--dark-border);
  }

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

  .nav-actions {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding: 140px 0 80px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

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

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 28px;
  }

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

  .service-card {
    flex-direction: column;
  }

  .service-image {
    width: 100%;
    height: 180px;
  }

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

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

  .cta h2 {
    font-size: 28px;
  }

  .cta p {
    font-size: 16px;
  }

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

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

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

  .page-banner h1 {
    font-size: 32px;
  }

  .about-features-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 28px;
  }

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

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

  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }

  .floating-card.card-1 {
    left: -20px;
  }

  .floating-card.card-2 {
    right: -20px;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--dark-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Selection */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: white;
}