:root {
  --bg: #0b0e13;
  --panel: #121620;
  --text: #e6e9ef;
  --muted: #93a1b8;
  --primary: #3b82f6;
  --primary-700: #1d4ed8;
  --accent: #22d3ee;
  --success: #10b981;
  --danger: #ef4444;
  --card: #161b26;
  --border: #202636;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, rgba(11,14,19,.9), rgba(11,14,19,.8));
  backdrop-filter: saturate(120%) blur(6px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-weight: 700;
  letter-spacing: .4px;
}

.logo-img {
  height: 28px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  opacity: .85;
}

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

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  width: 36px;
  height: 36px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
}

.hero {
  background:
    radial-gradient(1200px 400px at 50% -50%, rgba(34,211,238,.12), transparent 60%),
    radial-gradient(1200px 400px at 120% 10%, rgba(59,130,246,.12), transparent 60%),
    radial-gradient(1200px 400px at -20% 20%, rgba(16,185,129,.12), transparent 60%);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  padding: 88px 0 64px;
  text-align: center;
}

.hero h1 {
  font-size: 40px;
  line-height: 1.1;
  margin: 0 0 16px;
}

.hero p {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 24px;
}

.button {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.button.primary {
  background: var(--primary);
  border-color: var(--primary-700);
}

.section {
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}

.section h2 {
  margin: 0 0 16px;
  font-size: 28px;
}

.gallery {
  position: relative;
}

.gallery-viewport {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
}

.gallery-track {
  display: flex;
  transition: transform 500ms ease;
  will-change: transform;
}

.gallery-item {
  min-width: 100%;
  flex: 0 0 100%;
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.gallery-controls {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 8px;
  pointer-events: none;
}

.gallery-controls .button {
  pointer-events: auto;
  background: rgba(18,22,32,.7);
  border-color: rgba(32,38,54,.8);
}

.grid {
  display: grid;
  gap: 20px;
}

.cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(34,211,238,.2), 0 10px 30px rgba(34,211,238,.12);
}

.price {
  font-size: 22px;
  font-weight: 700;
  margin: 6px 0 12px;
}

.features {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  color: var(--muted);
}

.section-header p {
  color: var(--muted);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
  margin: 12px 0 20px;
}

.metric {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
}

.metric-value {
  font-size: 24px;
  font-weight: 700;
}

.metric-label {
  color: var(--muted);
}

.footer {
  padding: 24px 0;
  background: var(--panel);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 12px;
}

@media (max-width: 900px) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: inline-block;
  }

  .nav-links {
    position: fixed;
    right: 20px;
    top: 64px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    flex-direction: column;
    gap: 12px;
    display: none;
  }

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

  .hero h1 {
    font-size: 30px;
  }

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

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

  .gallery-item {
    height: 220px;
  }
}