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

:root {
  --primary: #0a1628;
  --primary-dark: #060e1a;
  --secondary: #00d4ff;
  --secondary-dark: #00a8cc;
  --accent: #f5a623;
  --accent-dark: #d4891a;
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #e9ecef;
  --gray-200: #dee2e6;
  --gray-300: #ced4da;
  --gray-400: #adb5bd;
  --gray-500: #6c757d;
  --gray-600: #495057;
  --gray-700: #343a40;
  --gray-800: #212529;
  --text-dark: #1a1a2e;
  --text-light: #6b7280;
  --gradient-primary: linear-gradient(135deg, #0a1628 0%, #1a2a4a 100%);
  --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
  --gradient-hero: linear-gradient(135deg, #060e1a 0%, #0a1628 40%, #1a2a4a 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.3);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

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

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

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

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

a:hover {
  color: var(--secondary-dark);
}

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

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: var(--primary);
  line-height: 1.3;
}

.section-subtitle {
  font-size: 1.125rem;
  text-align: center;
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .section-title {
  position: relative;
  display: inline-block;
}

.section-header .section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: 2px;
  margin: 16px auto 0;
}

/* ============ Navigation ============ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(6, 14, 26, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.5px;
}

.nav-brand .brand-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--primary);
}

.nav-brand .brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav-brand .brand-text small {
  font-size: 0.7rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-menu a {
  color: rgba(255, 255, 255, 0.85);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--secondary);
  background: rgba(0, 212, 255, 0.1);
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--secondary);
  border-radius: 1px;
}

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

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============ Hero Section ============ */
.hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 6s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 8s ease-in-out infinite reverse;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; }
}

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

.hero-content {
  animation: fadeInUp 1s ease-out;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 212, 255, 0.12);
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: var(--secondary);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 212, 255, 0.5);
  color: var(--primary);
}

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

.btn-outline:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  background: rgba(0, 212, 255, 0.08);
}

.btn-accent {
  background: linear-gradient(135deg, #f5a623 0%, #f57f17 100%);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(245, 166, 35, 0.4);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(245, 166, 35, 0.5);
  color: var(--white);
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.hero-stats .stat-item {
  text-align: left;
}

.hero-stats .stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.hero-stats .stat-number span {
  color: var(--secondary);
}

.hero-stats .stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 6px;
}

.hero-visual {
  position: relative;
  animation: fadeInRight 1.2s ease-out;
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.hero-image-wrapper img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.hero-float-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: float 4s ease-in-out infinite;
}

.hero-float-card.card-1 {
  top: 30px;
  left: -30px;
  animation-delay: 0s;
}

.hero-float-card.card-2 {
  bottom: 40px;
  right: -20px;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-float-card .card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.hero-float-card.card-1 .card-icon {
  background: rgba(0, 212, 255, 0.15);
  color: var(--secondary-dark);
}

.hero-float-card.card-2 .card-icon {
  background: rgba(245, 166, 35, 0.15);
  color: var(--accent-dark);
}

.hero-float-card .card-content strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-dark);
}

.hero-float-card .card-content small {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* ============ Trusted Bar ============ */
.trusted-bar {
  background: var(--gray-50);
  padding: 32px 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.trusted-bar .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trusted-bar .trusted-label {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 500;
}

.trusted-bar .trusted-items {
  display: flex;
  gap: 40px;
  align-items: center;
  flex-wrap: wrap;
}

.trusted-bar .trusted-item {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-400);
  letter-spacing: 2px;
  transition: var(--transition);
}

.trusted-bar .trusted-item:hover {
  color: var(--secondary);
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

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

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

.feature-card .feature-icon {
  width: 64px;
  height: 64px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--gradient-accent);
  transform: scale(1.1);
}

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

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

/* ============ Services Section ============ */
.services {
  background: var(--gray-50);
}

.services-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.services-visual {
  position: relative;
}

.services-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.services-image img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
}

.services-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--gradient-accent);
  color: var(--primary);
  padding: 20px 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.services-badge strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
}

.services-badge span {
  font-size: 0.8rem;
  font-weight: 500;
  opacity: 0.8;
}

.services-content h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.services-content > p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 32px;
}

.services-list {
  list-style: none;
  display: grid;
  gap: 20px;
}

.services-list li {
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  background: var(--white);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--secondary);
  transition: var(--transition);
}

.services-list li:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.services-list .list-icon {
  width: 40px;
  height: 40px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.services-list h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.services-list p {
  font-size: 0.875rem;
  color: var(--text-light);
}

/* ============ How It Works ============ */
.how-it-works {
  background: var(--white);
}

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

.step-card {
  text-align: center;
  padding: 40px 24px;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  background: var(--gradient-accent);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}

.step-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

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

/* ============ Security Section ============ */
.security {
  background: var(--gradient-primary);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.security::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300d4ff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

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

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

.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}

.security-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.security-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--secondary);
  transform: translateY(-4px);
}

.security-card .security-icon {
  width: 56px;
  height: 56px;
  background: rgba(0, 212, 255, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 16px;
}

.security-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}

.security-card p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

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

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

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--secondary);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: var(--white);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  text-align: left;
  font-family: inherit;
}

.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--secondary);
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  background: var(--gradient-accent);
  color: var(--primary);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 24px 24px;
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* ============ CTA Section ============ */
.cta {
  background: var(--gradient-hero);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
}

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

.cta h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--white);
}

.cta p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta .btn {
  padding: 16px 48px;
  font-size: 1.05rem;
}

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

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

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

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

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

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
}

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

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

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

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

.footer-bottom {
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

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

.footer-bottom-links a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links a:hover {
  color: var(--secondary);
}

/* ============ Page Header (inner pages) ============ */
.page-header {
  background: var(--gradient-hero);
  color: var(--white);
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.page-header .container {
  position: relative;
  z-index: 2;
}

.page-header h1 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease-out;
}

.page-header p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 560px;
  margin: 0 auto;
  animation: fadeInUp 1s ease-out;
}

.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 {
  color: rgba(255, 255, 255, 0.7);
}

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

.breadcrumb .separator {
  opacity: 0.5;
}

/* ============ About Page ============ */
.about-intro {
  padding: 80px 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}

.about-content h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-content p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-mission {
  background: var(--gray-50);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.mission-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--white);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.mission-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.mission-card .mission-icon {
  width: 72px;
  height: 72px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 20px;
}

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

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

.team-section {
  background: var(--white);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.team-card {
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-8px);
}

.team-image {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: var(--shadow-md);
}

.team-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.team-card:hover .team-image img {
  transform: scale(1.05);
}

.team-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.team-card .team-role {
  font-size: 0.85rem;
  color: var(--secondary);
  font-weight: 500;
}

/* ============ Products Page ============ */
.products-intro {
  padding: 80px 0;
  background: var(--white);
}

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

.product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
}

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

.product-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  position: relative;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.product-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--gradient-accent);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

.product-body {
  padding: 28px;
}

.product-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.product-body > p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.product-features {
  list-style: none;
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--gray-600);
}

.product-features li::before {
  content: '✓';
  width: 20px;
  height: 20px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--secondary-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
}

.product-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.product-price small {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-light);
}

.product-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.product-link:hover {
  gap: 10px;
}

/* ============ News Page ============ */
.news-section {
  padding: 80px 0;
  background: var(--gray-50);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

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

.news-card-featured {
  grid-column: span 2;
  grid-row: span 2;
}

.news-image {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.news-card-featured .news-image {
  aspect-ratio: 16/9;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.news-card:hover .news-image img {
  transform: scale(1.06);
}

.news-body {
  padding: 24px;
}

.news-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--text-light);
}

.news-meta .news-category {
  background: rgba(0, 212, 255, 0.1);
  color: var(--secondary-dark);
  padding: 2px 10px;
  border-radius: 100px;
  font-weight: 500;
}

.news-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.4;
  transition: var(--transition);
}

.news-card:hover .news-body h3 {
  color: var(--secondary-dark);
}

.news-card-featured .news-body h3 {
  font-size: 1.5rem;
}

.news-body p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

.news-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.news-pagination a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 1px solid var(--gray-200);
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.9rem;
}

.news-pagination a:hover,
.news-pagination a.active {
  background: var(--gradient-accent);
  border-color: transparent;
  color: var(--primary);
}

/* ============ News Detail Page ============ */
.news-detail {
  padding: 80px 0;
  background: var(--white);
}

.news-detail-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}

.news-detail-content {
  background: var(--white);
}

.news-detail-content .article-header {
  margin-bottom: 32px;
}

.news-detail-content .article-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 16px;
}

.news-detail-content .article-meta {
  display: flex;
  gap: 24px;
  font-size: 0.875rem;
  color: var(--text-light);
}

.news-detail-content .article-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
}

.news-detail-content .article-cover img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.news-detail-content .article-body {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--gray-700);
}

.news-detail-content .article-body p {
  margin-bottom: 20px;
}

.news-detail-content .article-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin: 32px 0 16px;
}

.news-detail-content .article-body ul {
  padding-left: 24px;
  margin-bottom: 20px;
}

.news-detail-content .article-body li {
  margin-bottom: 8px;
}

.news-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.sidebar-widget {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-widget h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--secondary);
}

.sidebar-news-list {
  list-style: none;
}

.sidebar-news-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-200);
}

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

.sidebar-news-list a {
  font-size: 0.875rem;
  color: var(--gray-700);
  line-height: 1.5;
  display: block;
  transition: var(--transition);
}

.sidebar-news-list a:hover {
  color: var(--secondary-dark);
}

.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sidebar-tags a {
  background: var(--white);
  border: 1px solid var(--gray-200);
  color: var(--gray-600);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  transition: var(--transition);
}

.sidebar-tags a:hover {
  background: var(--secondary);
  border-color: var(--secondary);
  color: var(--primary);
}

/* ============ Contact Page ============ */
.contact-section {
  padding: 80px 0;
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.contact-info > p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 36px;
}

.contact-list {
  list-style: none;
  display: grid;
  gap: 24px;
}

.contact-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-list .contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-list h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.contact-list p {
  font-size: 0.9rem;
  color: var(--text-light);
}

.contact-form-wrapper {
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  padding: 40px;
}

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

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

.contact-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.contact-form label .required {
  color: #e74c3c;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

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

.contact-form .btn {
  width: 100%;
  justify-content: center;
}

.map-section {
  padding: 0 0 80px;
}

.map-wrapper {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16/7;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 1rem;
}

/* ============ Animations ============ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ============ Back to Top ============ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gradient-accent);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }
  .section-title { font-size: 1.875rem; }
  .hero h1 { font-size: 2.25rem; }
  .hero-grid { gap: 40px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .security-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .news-card-featured { grid-column: span 2; grid-row: auto; }
  .news-detail-grid { grid-template-columns: 1fr; }
  .news-sidebar { position: static; }
  .services-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 1.65rem; }
  .section-subtitle { font-size: 1rem; margin-bottom: 36px; }
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(6, 14, 26, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    transform: translateY(-120%);
    transition: transform 0.4s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .nav-menu.active { transform: translateY(0); }
  .nav-menu a { width: 100%; padding: 14px 20px; font-size: 1rem; }
  .nav-toggle { display: flex; }
  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; margin-bottom: 28px; }
  .hero-visual { order: -1; }
  .hero-image-wrapper img { aspect-ratio: 16/10; }
  .hero-float-card.card-1 { left: -10px; }
  .hero-float-card.card-2 { right: -10px; }
  .hero-stats { gap: 24px; }
  .hero-stats .stat-number { font-size: 1.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .steps-grid { grid-template-columns: 1fr; }
  .mission-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card-featured { grid-column: auto; }
  .news-detail-content .article-title { font-size: 1.5rem; }
  .contact-form .form-row { grid-template-columns: 1fr; }
  .cta h2 { font-size: 1.75rem; }
  .cta p { font-size: 1rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .page-header { padding: 120px 0 60px; }
  .page-header h1 { font-size: 2rem; }
  .services-badge { bottom: -10px; right: 10px; padding: 14px 20px; }
  .services-badge strong { font-size: 1.1rem; }
  .trusted-bar .container { gap: 24px; }
  .trusted-bar .trusted-items { gap: 20px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.75rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .security-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .hero-float-card { display: none; }
  .contact-form-wrapper { padding: 24px; }
  .section-title { font-size: 1.5rem; }
  .nav-brand .brand-text small { display: none; }
}