:root {
  color-scheme: dark;
  --bg: #070b14;
  --bg-alt: #0d1324;
  --panel: #121a2f;
  --text: #e8eefc;
  --muted: #9fb0d3;
  --accent: #5b8cff;
  --accent-2: #38d996;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 1rem;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 0;
  flex-wrap: wrap;
}
.logo { font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.nav-links { display: flex; gap: 1.25rem; flex: 1; flex-wrap: wrap; }
.nav-links a { color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); }

.hero {
  padding: 4rem 1.5rem 3rem;
  background: radial-gradient(ellipse at top, #172554 0%, var(--bg) 55%);
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--accent-2);
}
h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.12; margin: 0.75rem 0; max-width: 820px; }
h2 { font-size: 1.75rem; margin: 0 0 0.75rem; }
h3 { font-size: 1.05rem; margin: 0 0 0.5rem; }
.subtitle { color: var(--muted); font-size: 1.15rem; max-width: 720px; }
.section-lead { color: var(--muted); max-width: 680px; margin-bottom: 2rem; }

.cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin: 2rem 0 1rem; }
.btn {
  display: inline-block;
  padding: 0.85rem 1.25rem;
  border-radius: 0.75rem;
  font-weight: 600;
  text-decoration: none;
}
.btn.small { padding: 0.55rem 1rem; font-size: 0.9rem; }
.btn.primary { background: var(--accent); color: white; }
.btn.secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}
.cta-note { color: var(--muted); font-size: 0.95rem; }

.hero-shot { margin-top: 2.5rem; }
.hero-shot img, .wide-shot img, .split figure img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.section { padding: 4rem 0; }
.section.alt { background: var(--bg-alt); }

.grid { display: grid; gap: 1rem; }
.grid.four { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

article, .grid article {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
article p { color: var(--muted); margin: 0 0 0.75rem; }
article p:last-child { margin-bottom: 0; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }
@media (max-width: 768px) { .split { grid-template-columns: 1fr; } }

.checklist { list-style: none; padding: 0; margin: 1rem 0 1.5rem; }
.checklist li { padding: 0.35rem 0 0.35rem 1.5rem; position: relative; color: var(--muted); }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-2); }

.arch-diagram {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
  overflow-x: auto;
}
.arch-row { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; justify-content: center; }
.arch-row.sub { margin-top: 1rem; opacity: 0.9; }
.arch-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.6rem 1rem;
  text-align: center;
  font-size: 0.85rem;
}
.arch-box.accent { border-color: var(--accent); background: rgba(91, 140, 255, 0.12); }
.arch-box small { color: var(--muted); display: block; font-size: 0.75rem; }
.arch-arrow { color: var(--muted); }

.feature-matrix { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.fm-row { display: grid; grid-template-columns: 1fr auto; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); }
.fm-row:last-child { border-bottom: none; }
.fm-head { background: var(--panel); font-weight: 600; }
.badge { font-size: 0.75rem; padding: 0.2rem 0.5rem; border-radius: 999px; font-weight: 600; }
.badge.ok { background: rgba(56, 217, 150, 0.15); color: var(--accent-2); }
.badge.beta { background: rgba(91, 140, 255, 0.15); color: var(--accent); }

.pricing .price { font-size: 2rem; font-weight: 700; color: var(--text); margin: 0.5rem 0; }
.pricing .highlight { border-color: var(--accent); }

.code-block {
  background: #0a0f1c;
  padding: 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  font-size: 0.8rem;
  overflow-x: auto;
  color: var(--muted);
}

.link-list { list-style: none; padding: 0; margin: 0; }
.link-list li { padding: 0.35rem 0; }

details { margin-bottom: 0.75rem; color: var(--muted); }
details summary { cursor: pointer; color: var(--text); font-weight: 500; }

.contact-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.muted { color: var(--muted); }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  color: var(--muted);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-grid a { display: block; padding: 0.25rem 0; color: var(--muted); }
.copyright { text-align: center; font-size: 0.85rem; margin: 0; }

code {
  background: rgba(255, 255, 255, 0.06);
  padding: 0.1rem 0.35rem;
  border-radius: 0.35rem;
  font-size: 0.9em;
}