:root {
  --bg: #0b0f14;
  --panel: #121923;
  --panel-2: #182232;
  --text: #ecf1f7;
  --muted: #aab6c5;
  --line: rgba(255,255,255,.08);
  --accent: #d8b36a;
  --accent-2: #f2dfb2;
  --max: 1120px;
  --radius: 20px;
  --shadow: 0 18px 50px rgba(0,0,0,.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, rgba(216,179,106,.12), transparent 28%),
    linear-gradient(180deg, #0b0f14, #0a1017 42%, #0b0f14);
  color: var(--text);
  line-height: 1.65;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.narrow { width: min(820px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(11,15,20,.72);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--text);
}
nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
nav a {
  color: var(--muted);
  font-size: .95rem;
}

.hero {
  padding: 86px 0 54px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .9fr;
  gap: 32px;
  align-items: center;
}
.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .76rem;
  margin: 0 0 12px;
}
h1, h2, h3, blockquote { margin-top: 0; }
h1 {
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: -.03em;
  max-width: 10ch;
  margin-bottom: 18px;
}
.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 60ch;
}
.subnote {
  color: var(--muted);
  font-size: .95rem;
  margin-top: 16px;
}
.cta-row {
  display: flex;
  gap: 14px;
  margin: 28px 0 8px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  box-shadow: var(--shadow);
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  color: #17120a;
}
.btn-secondary {
  background: rgba(255,255,255,.03);
  border-color: var(--line);
  color: var(--text);
}

.panel, .card, .contact-box, .codebox {
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.diagram {
  padding: 26px;
}
.layer {
  padding: 18px;
  border-radius: 16px;
  text-align: center;
  font-weight: 700;
  border: 1px solid var(--line);
}
.layer span {
  display: block;
  font-size: .92rem;
  font-weight: 500;
  color: var(--muted);
  margin-top: 6px;
}
.l1 { background: rgba(216,179,106,.14); }
.l2 { background: rgba(102,146,204,.12); }
.l3 { background: rgba(118,208,174,.10); }
.arrow {
  text-align: center;
  color: var(--accent);
  font-size: 1.4rem;
  padding: 8px 0;
}

.statement { padding: 10px 0 20px; }
blockquote {
  margin: 0;
  font-size: clamp(1.3rem, 2.3vw, 2rem);
  line-height: 1.35;
  color: #f6f8fb;
  text-align: center;
}

.section { padding: 58px 0; }
.alt { background: rgba(255,255,255,.02); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { margin-bottom: 26px; }
.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  letter-spacing: -.02em;
  margin-bottom: 0;
}
.cards {
  display: grid;
  gap: 18px;
}
.cards.three { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  padding: 22px;
}
.card h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}
.card p, .card li {
  color: var(--muted);
}
.comparison {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.highlight {
  border-color: rgba(216,179,106,.45);
  box-shadow: 0 18px 54px rgba(216,179,106,.12);
}
.codebox {
  margin-top: 22px;
  padding: 18px 20px;
  overflow: auto;
}
pre, code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}
pre { margin: 0; white-space: pre-wrap; }
.price h3 {
  font-size: 2.2rem;
  margin: 2px 0 8px;
}
.plan {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
}
.small-note {
  color: var(--muted);
  margin-top: 16px;
}
.contact-box {
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.contact-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 42px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 18px;
}
.site-footer p {
  color: var(--muted);
  margin: 8px 0 0;
}

@media (max-width: 900px) {
  .hero-grid,
  .cards.three,
  .comparison,
  .footer-grid,
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .contact-box,
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }
  h1 { max-width: none; }
}