/* amnesia — simple, flat dark theme */
:root {
  --bg: #0b0b0f;
  --panel: #141419;
  --panel-2: #191920;
  --border: #26262e;
  --border-2: #34343e;
  --text: #eaeaef;
  --dim: #9a9aa6;
  --dim-2: #6f6f7a;
  --accent: #8b5cf6;
  --accent-hover: #7c4dff;
  --radius: 12px;
  --max: 1040px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: rgba(139, 92, 246, 0.35); }

.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }

/* header */
.site-header { border-bottom: 1px solid var(--border); background: var(--bg); position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; gap: 26px; height: 62px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 19px; color: var(--text); }
.brand .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.nav { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.nav a { color: var(--dim); font-size: 14px; }
.nav a:hover, .nav a.active { color: var(--text); }
.menu-btn { display: none; background: none; border: 0; color: var(--text); font-size: 20px; cursor: pointer; }

/* hero */
.hero { padding: 72px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
h1 { font-size: clamp(36px, 5vw, 54px); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 18px; font-weight: 800; }
.lead { color: var(--dim); font-size: 16px; max-width: 52ch; margin: 0 0 26px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 9px; font-weight: 600; font-size: 14px;
  border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; border-color: var(--border-2); color: var(--text); }
.btn-ghost:hover { border-color: var(--dim); }
.hero-art img { width: 100%; border-radius: var(--radius); border: 1px solid var(--border-2); }

/* sections */
section { padding: 52px 0; }
.section-head { margin-bottom: 26px; }
h2 { font-size: clamp(24px, 3vw, 32px); letter-spacing: -0.01em; margin: 0 0 8px; font-weight: 700; }
.section-head p { color: var(--dim); margin: 0; }

/* video */
.video-frame { position: relative; width: 100%; padding-top: 56.25%; background: #000; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border-2); }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-note { color: var(--dim-2); font-size: 13px; margin-top: 10px; }

/* features */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.card:hover { border-color: var(--border-2); }
.card h3 { margin: 0 0 6px; font-size: 15px; font-weight: 600; }
.card p { margin: 0; color: var(--dim); font-size: 13.5px; }

/* status */
.status { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.status p { color: var(--dim); margin: 0; }

/* footer */
.site-footer { border-top: 1px solid var(--border); padding: 24px 0 36px; margin-top: 36px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; color: var(--dim-2); font-size: 13px; }
.footer-inner a { color: var(--dim); }
.footer-inner a:hover { color: var(--text); }

/* docs */
.docs-wrap { display: grid; grid-template-columns: 230px 1fr; gap: 40px; padding: 36px 0 72px; align-items: start; }
.docs-side { position: sticky; top: 82px; }
.docs-search {
  width: 100%; padding: 9px 11px; border-radius: 8px; margin-bottom: 14px;
  background: var(--panel); border: 1px solid var(--border-2); color: var(--text); font-size: 14px; outline: none;
}
.docs-search:focus { border-color: var(--accent); }
.docs-nav { display: flex; flex-direction: column; gap: 1px; font-size: 14px; }
.docs-nav a { color: var(--dim); padding: 6px 10px; border-radius: 7px; }
.docs-nav a:hover { color: var(--text); background: var(--panel); }
.docs-nav a.active { color: var(--text); background: var(--panel-2); }

.docs-main h1 { font-size: 34px; margin: 0 0 12px; }
.docs-main h2 { font-size: 24px; margin: 40px 0 12px; }
.docs-main h3 { font-size: 17px; margin: 28px 0 8px; }
.docs-main p, .docs-main li { color: var(--dim); }
.docs-main ul { padding-left: 20px; }
.docs-main li { margin: 3px 0; }
.docs-main code { font-family: var(--mono); font-size: 0.9em; background: var(--panel-2); border: 1px solid var(--border); padding: 1px 5px; border-radius: 5px; color: #ddd8ee; }
.docs-main pre { position: relative; background: #08080c; border: 1px solid var(--border); border-radius: 10px; padding: 16px; overflow: auto; margin: 14px 0; }
.docs-main pre code { background: none; border: 0; padding: 0; font-size: 13px; color: #cfcbe2; }
.copy-btn { position: absolute; top: 9px; right: 9px; font-size: 11px; font-weight: 600; padding: 4px 8px; border-radius: 6px; cursor: pointer; background: var(--panel-2); border: 1px solid var(--border-2); color: var(--dim); }
.copy-btn:hover { color: var(--text); border-color: var(--dim); }
table { width: 100%; border-collapse: collapse; margin: 12px 0 20px; font-size: 14px; }
th, td { text-align: left; padding: 8px 11px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text); font-weight: 600; font-size: 12px; }
td { color: var(--dim); }
td code { white-space: nowrap; }
.note { border-left: 3px solid var(--accent); background: var(--panel); padding: 11px 15px; border-radius: 0 8px 8px 0; color: var(--dim); font-size: 14px; margin: 14px 0; }
.note strong { color: var(--text); }
.docs-hidden { display: none !important; }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .docs-wrap { grid-template-columns: 1fr; }
  .docs-side { position: static; }
  .docs-nav { flex-direction: row; flex-wrap: wrap; }
}
@media (max-width: 720px) {
  .nav { display: none; }
  .nav.open { display: flex; position: absolute; top: 62px; left: 0; right: 0; flex-direction: column; background: var(--bg); border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 12px; }
  .menu-btn { display: block; margin-left: auto; }
  .features { grid-template-columns: 1fr; }
}