:root {
  --bg: #0d0f14;
  --surface: #141922;
  --surface-2: #1a2230;
  --text: #f5f7fb;
  --muted: #a3adbe;
  --line: #283346;
  --accent: #d2b48c;
  --accent-2: #8ab6ff;
  --radius: 14px;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 85% 0%, rgba(138, 182, 255, 0.15) 0, transparent 32%),
    radial-gradient(circle at 10% 25%, rgba(210, 180, 140, 0.17) 0, transparent 30%),
    var(--bg);
  line-height: 1.45;
}

h1,
h2,
h3 {
  font-family: "Archivo", "Avenir Next", sans-serif;
  margin: 0;
  letter-spacing: 0.01em;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(13, 15, 20, 0.82);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
}

.brand {
  text-decoration: none;
  font-weight: 800;
  font-size: 0.95rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.82rem;
  color: #d2d9e6;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.38rem 0.72rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: #0f1116;
  background: var(--accent);
}

main {
  padding: 1.2rem 0 2rem;
}

.section {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.section + .section {
  margin-top: 1rem;
}

.eyebrow {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 700;
}

h1 {
  font-size: clamp(1.5rem, 3.8vw, 2.4rem);
  margin-top: 0.3rem;
}

h2 {
  font-size: clamp(1.3rem, 3vw, 1.95rem);
  margin-top: 0.3rem;
}

.intro {
  margin-top: 0.42rem;
  color: #c7d0de;
  font-size: 0.9rem;
}

.preview-shell {
  margin-top: 0.8rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #324056;
  background: #0d121b;
}

.preview-shell iframe {
  width: 100%;
  min-height: 560px;
  border: 0;
  display: block;
}

.grid {
  margin-top: 0.75rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.72rem;
}

.card {
  background: var(--surface);
  border: 1px solid #2c3a50;
  border-radius: 12px;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.card-media {
  aspect-ratio: 4 / 3;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid #2f3d54;
  background:
    radial-gradient(circle at top, rgba(138, 182, 255, 0.18), transparent 55%),
    linear-gradient(135deg, #19202c 0%, #11161f 100%);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 0.9rem;
}

.card-placeholder {
  color: #c8d1df;
}

.card-placeholder span {
  display: inline-block;
  padding: 0.22rem 0.55rem;
  margin-bottom: 0.35rem;
  border-radius: 999px;
  background: rgba(210, 180, 140, 0.12);
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-placeholder p {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.35;
  color: #d5deea;
}

.card h3 {
  font-size: 0.95rem;
  color: #f1f4fa;
}

.card p {
  margin-top: 0.32rem;
  font-size: 0.82rem;
  color: #b4bece;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: #99a5b7;
  font-size: 0.78rem;
  padding: 0.8rem 0 1.1rem;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .preview-shell iframe {
    min-height: 460px;
  }
}