* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #017EFE;
  --accent: #03A504;
  --bg: #FFFFFF;
  --text: #1A1A1A;
  --text-secondary: #666666;
  --border: #E5E5E5;
  --light-bg: #F8FBFF;
  --dark-bg: #1A1A1A;

  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.6;
  font-weight: 400;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-width: 320px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

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

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.logo span {
  color: var(--primary);
}

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

.nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

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

.btn-primary:hover {
  background: #0165cc;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(1, 126, 254, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}

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

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

.btn-white:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 72px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FBFF 100%);
}

.hero h1 {
  font-size: 64px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--text);
}

.hero p {
  font-size: 24px;
  color: var(--text-secondary);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.button-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.section {
  padding: 120px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-header h2 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.card {
  background: white;
  padding: 32px;
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
}

.card-step .icon {
  font-size: 48px;
  margin-bottom: 24px;
}

.card-step h3 {
  font-size: 28px;
  margin-bottom: 16px;
}

.card-step p {
  color: var(--text-secondary);
}

.card h4 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card p {
  color: var(--text-secondary);
}

.asset-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.asset-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
}

.asset-image {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, #e0f2fe, #dbeafe);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
}

.asset-content {
  padding: 24px;
}

.asset-content h4 {
  font-size: 22px;
  margin-bottom: 8px;
}

.asset-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 14px;
}

.asset-meta .label {
  color: var(--text-secondary);
  font-weight: 500;
}

.asset-meta .value {
  font-weight: 600;
}

.badge {
  text-align: center;
  padding: 24px;
}

.badge-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.badge h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: white;
}

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

.bg-light {
  background: var(--light-bg);
}

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

.dark .section-header h2 {
  color: white;
}

.dark .section-header p {
  color: rgba(255, 255, 255, 0.8);
}

.cta-section {
  background: linear-gradient(135deg, var(--primary), #0165cc);
  color: white;
  text-align: center;
}

.cta-section h2 {
  font-size: 56px;
  font-weight: 700;
  margin-bottom: 32px;
}

.cta-section .btn-secondary {
  border-color: white;
  color: white;
}

.cta-section .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.footer {
  background: var(--dark-bg);
  color: white;
  padding: 64px 0 32px;
}

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

.footer-brand h3 {
  font-size: 24px;
  margin-bottom: 16px;
}

.footer-brand p {
  color: #999;
  line-height: 1.8;
  margin-bottom: 24px;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: background 0.3s ease;
}

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

.footer-links h4 {
  font-size: 16px;
  margin-bottom: 16px;
  font-weight: 600;
}

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

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

.footer-links a {
  color: #999;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #999;
}

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

.max-width-700 {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.mt-32 {
  margin-top: 32px;
}

.mt-48 {
  margin-top: 48px;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 40px;
  }

  .hero p {
    font-size: 18px;
  }

  .section-header h2 {
    font-size: 36px;
  }

  .nav {
    display: none;
  }

  .button-group {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

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

  .section {
    padding: 80px 0;
  }

  .cta-section h2 {
    font-size: 36px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 32px;
  }

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

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

  .section-header p {
    font-size: 16px;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .header .container {
    height: 64px;
  }

  .logo {
    font-size: 20px;
  }
}