:root {
  --primary: #f39c12;
  --primary-dark: #e67e22;
  --bg-dark: #1a1a2e;
  --bg-light: #f8f9fa;
  --text-dark: #2c3e50;
  --text-light: #ecf0f1;
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --radius: 20px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}
[data-theme="dark"] {
  --bg-dark: #0f0f1a;
  --bg-light: #1a1a2e;
  --text-dark: #ecf0f1;
  --text-light: #bdc3c7;
  --glass-bg: rgba(0, 0, 0, 0.3);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: var(--font-family);
  background: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s;
}
a:hover {
  color: var(--primary-dark);
}
img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 15px rgba(243, 156, 18, 0.4);
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(243, 156, 18, 0.5);
}
.section {
  padding: 80px 0;
}
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto 48px;
  text-align: center;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .section {
    padding: 48px 0;
  }
}
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(26, 26, 46, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background var(--transition);
}
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}
.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}
.nav-links a {
  color: var(--text-light);
  font-weight: 500;
  padding: 8px 0;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s;
}
.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.theme-toggle, .menu-toggle {
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle {
  display: none;
}
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-dark);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
  }
  .nav-links.open {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
}
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #16213e 50%, #0f3460 100%);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}
.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-slide.active {
  opacity: 1;
}
.hero-content {
  text-align: center;
  z-index: 2;
  padding: 24px;
}
.hero-content h1 {
  font-size: 4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 24px;
  line-height: 1.2;
}
.hero-content p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-svg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
}
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }
}
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: transform 0.4s, box-shadow 0.4s;
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}
footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.9rem;
}
.back-to-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: opacity 0.3s;
}
.back-to-top.visible {
  display: flex;
}
.faq-item {
  border-bottom: 1px solid var(--glass-border);
  padding: 16px 0;
  cursor: pointer;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1.1rem;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  padding-top: 8px;
  color: var(--text-light);
}
.faq-item.active .faq-answer {
  max-height: 300px;
}
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.breadcrumb {
  padding: 16px 0;
  font-size: 0.9rem;
  color: var(--text-light);
}
.breadcrumb a {
  color: var(--primary);
}
.search-box {
  display: flex;
  gap: 8px;
  max-width: 400px;
  margin: 0 auto 32px;
}
.search-box input {
  flex: 1;
  padding: 12px 20px;
  border-radius: 50px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-dark);
  outline: none;
}
.search-box button {
  padding: 12px 24px;
  border-radius: 50px;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
}
.theme-toggle {
  font-size: 1.2rem;
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
}
@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
  .container {
    padding: 0 16px;
  }
}