:root {
  --bg: #0f172a;
  --panel: #111827;
  --soft: #1f2937;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.14);
  --accent: #8b5cf6;
  --accent-soft: rgba(139,92,246,0.15);
  --white: #ffffff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #0b1120 0%, #111827 100%);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(10, 15, 30, 0.7);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 74px; gap: 16px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { width: 42px; height: 42px; }
.brand-copy { display: grid; gap: 2px; }
.brand-copy strong { font-size: 14px; letter-spacing: 0.02em; }
.brand-copy span { color: var(--muted); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.nav nav { display: flex; gap: 20px; flex-wrap: wrap; }
.nav nav a { color: var(--muted); font-size: 14px; }
.hero { padding: 96px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 28px; align-items: stretch; }
.eyebrow, .section-label { text-transform: uppercase; letter-spacing: 0.12em; color: #c4b5fd; font-size: 12px; margin-bottom: 10px; }
h1,h2,h3,p { margin-top: 0; }
h1 { font-size: clamp(38px, 6vw, 68px); line-height: 1.02; margin-bottom: 18px; }
h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.15; margin-bottom: 18px; }
h3 { font-size: 20px; margin-bottom: 10px; }
.hero-text { color: var(--muted); font-size: 18px; max-width: 760px; }
.tags, .chain { display: flex; gap: 12px; flex-wrap: wrap; }
.tags span, .chain span {
  padding: 10px 14px; border-radius: 999px;
  background: var(--accent-soft); border: 1px solid rgba(139,92,246,0.25); color: #ddd6fe; font-size: 14px;
}
.actions, .contact-list { display: flex; gap: 14px; flex-wrap: wrap; }
.actions { margin-top: 24px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 18px;
  border-radius: 12px; border: 1px solid var(--line); font-weight: 600;
}
.btn-primary { background: var(--accent); color: var(--white); border-color: transparent; }
.btn-secondary { background: rgba(255,255,255,0.04); }
.hero-card, .card, .sample-card, .cta-box {
  background: rgba(255,255,255,0.03); border: 1px solid var(--line); border-radius: 20px;
}
.hero-card, .card, .cta-box { padding: 24px; }
.hero-card .status { color: #c4b5fd; font-size: 13px; margin-bottom: 12px; }
.hero-card ul { margin: 0; padding-left: 18px; color: var(--muted); }
.section { padding: 76px 0; }
.alt { background: rgba(255,255,255,0.02); }
.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card p, .muted { color: var(--muted); }
.center { text-align: center; }
.sample-card { overflow: hidden; }
.sample-head {
  padding: 14px 18px; border-bottom: 1px solid var(--line);
  color: #ddd6fe; background: rgba(139,92,246,0.12); font-weight: 600;
}
.sample-card pre {
  margin: 0; padding: 18px; overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px; line-height: 1.6; color: #dbeafe;
}
.cta-box {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 24px; align-items: center;
  background: linear-gradient(180deg, rgba(139,92,246,0.2), rgba(255,255,255,0.03));
  border-color: var(--line-strong);
}
.site-footer { padding: 28px 0 40px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 14px; }
@media (max-width: 900px) {
  .hero-grid, .grid.two, .grid.three, .grid.four, .cta-box { grid-template-columns: 1fr; }
  .hero { padding-top: 68px; }
}
@media (max-width: 640px) {
  .nav { align-items: flex-start; padding: 14px 0; flex-direction: column; }
  .footer-inner { flex-direction: column; }
  h1 { font-size: 40px; }
}