/* Fermag CDN — Obsidian UI design language.
   Measured from obsidianui.dev: pure white surface, 1px hairlines (#e5e5e5),
   10px radius, Inter 16px, 52px nav, flat (no shadows), light code blocks. */

:root {
  --bg: #ffffff;
  --bg-muted: #f5f5f5;
  --bg-subtle: #fafafa;
  --fg: #0a0a0a;
  --fg-soft: #1f1f1f;
  --muted: #6b6b6b;
  --faint: #737373;
  --line: #e5e5e5;
  --line-strong: #d4d4d4;
  --live: #16a34a;
  --live-bg: #f0fdf4;
  --warn: #b45309;
  --dead: #b91c1c;

  --radius: 10px;
  --radius-sm: 7px;
  --nav: 52px;
  --max: 1120px;
  --read: 704px;

  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --sx-key: #cf222e;
  --sx-str: #0a3069;
  --sx-num: #0550ae;
  --sx-fn: #8250df;
  --sx-com: #6e7781;
  --sx-punc: #57606a;

  --ease: cubic-bezier(.16, .84, .32, 1);
}

[data-theme="dark"] {
  --bg: #0a0a0a;
  --bg-muted: #161616;
  --bg-subtle: #111111;
  --fg: #fafafa;
  --fg-soft: #e8e8e8;
  --muted: #a3a3a3;
  --faint: #8a8a8a;
  --line: #242424;
  --line-strong: #333333;
  --live: #4ade80;
  --live-bg: #0f2418;
  --warn: #fbbf24;
  --dead: #f87171;
  --sx-key: #ff7b72;
  --sx-str: #a5d6ff;
  --sx-num: #79c0ff;
  --sx-fn: #d2a8ff;
  --sx-com: #8b949e;
  --sx-punc: #8b949e;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background .25s var(--ease), color .25s var(--ease);
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--fg); color: var(--bg); }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -.035em; line-height: 1.15; }
p { margin: 0; }
img, video { max-width: 100%; display: block; }
code, pre, .mono { font-family: var(--mono); }
svg { flex: 0 0 auto; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .wrap { padding: 0 16px; } }

/* ============ top nav (52px, hairline) ============ */
.nav {
  position: sticky; top: 0; z-index: 60;
  height: var(--nav);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; gap: 20px; height: var(--nav); }
.brand { display: flex; align-items: center; gap: 8px; font-size: 14.5px; font-weight: 600; letter-spacing: -.02em; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 6px; background: var(--fg); color: var(--bg);
  display: grid; place-items: center; font: 600 11px/1 var(--mono);
}
.brand span { color: var(--faint); font-weight: 500; }
.nav-links { display: flex; gap: 18px; margin-left: 10px; font-size: 13.5px; color: var(--muted); }
.nav-links a { padding: 6px 2px; transition: color .15s; }
.nav-links a:hover { color: var(--fg); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.nav-sep { width: 1px; height: 20px; background: var(--line); margin: 0 2px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: 32px; padding: 0 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong); background: var(--bg); color: var(--fg);
  font-size: 13px; font-weight: 500; cursor: pointer; white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { background: var(--bg-muted); }
.btn-primary { background: var(--fg); border-color: var(--fg); color: var(--bg); }
.btn-primary:hover { background: var(--fg-soft); border-color: var(--fg-soft); }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-ghost:hover { background: var(--bg-muted); }
.btn-sm { height: 28px; padding: 0 10px; font-size: 12.5px; }
.btn-lg { height: 38px; padding: 0 16px; font-size: 13.5px; }
.icon-btn {
  width: 30px; height: 30px; border-radius: var(--radius-sm); border: 1px solid transparent;
  background: transparent; display: grid; place-items: center; cursor: pointer; color: var(--muted);
}
.icon-btn:hover { background: var(--bg-muted); color: var(--fg); }

.pill {
  display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px;
  border-radius: 999px; border: 1px solid var(--line-strong); font-size: 13px;
  transition: background .15s, border-color .15s;
}
.pill:hover { background: var(--bg-muted); }

@media (max-width: 860px) { .nav-links { display: none; } }

/* ============ hero ============ */
.hero { border-bottom: 1px solid var(--line); }
.hero-in { display: grid; grid-template-columns: 1fr 440px; gap: 56px; padding: 60px 0 52px; align-items: start; }
@media (max-width: 980px) { .hero-in { grid-template-columns: 1fr; gap: 32px; padding: 36px 0 32px; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 7px; height: 24px; padding: 0 9px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--bg-muted);
  font-size: 11.5px; color: var(--muted); margin-bottom: 18px;
}
.eyebrow i { width: 5px; height: 5px; border-radius: 50%; background: var(--live); }
.hero h1 { font-size: clamp(32px, 4.2vw, 52px); letter-spacing: -.045em; line-height: 1.03; }
.hero h1 em { font-style: normal; color: var(--faint); }
.hero p.lead { margin-top: 16px; font-size: 16px; color: var(--muted); max-width: 52ch; line-height: 1.62; }
.hero-cta { display: flex; gap: 8px; margin-top: 24px; flex-wrap: wrap; }
.hero-note { margin-top: 14px; font: 12px/1.6 var(--mono); color: var(--faint); }

/* ============ code card (light) ============ */
.code-card {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-subtle);
  overflow: hidden; font-family: var(--mono);
}
.code-head {
  display: flex; align-items: center; gap: 8px; height: 36px; padding: 0 12px;
  border-bottom: 1px solid var(--line); background: var(--bg-muted);
  font: 500 11.5px/1 var(--mono); color: var(--muted);
}
.code-head b { color: var(--fg-soft); font-weight: 500; }
.code-head .right { margin-left: auto; display: flex; gap: 4px; }
.code-card pre {
  margin: 0; padding: 13px 15px 15px; font-size: 12.4px; line-height: 1.85;
  overflow-x: auto; color: var(--fg-soft);
}
.code-card .k { color: var(--sx-key); }
.code-card .s { color: var(--sx-str); }
.code-card .n { color: var(--sx-num); }
.code-card .f { color: var(--sx-fn); }
.code-card .c { color: var(--sx-com); }
.code-card .p { color: var(--sx-punc); }
.copy-btn {
  height: 24px; padding: 0 8px; border-radius: 5px; border: 1px solid var(--line-strong);
  background: var(--bg); color: var(--muted); font: 11px/1 var(--mono); cursor: pointer;
}
.copy-btn:hover { color: var(--fg); border-color: var(--fg); }
.cursor { display: inline-block; width: 6px; height: 13px; background: var(--fg); vertical-align: -2px; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ============ stat strip ============ */
.strip { border-bottom: 1px solid var(--line); }
.strip-in { display: grid; grid-template-columns: repeat(4, 1fr); }
.strip-cell { padding: 18px 20px; border-left: 1px solid var(--line); }
.strip-cell:first-child { border-left: 0; padding-left: 0; }
.strip-cell b { display: block; font-size: 23px; font-weight: 600; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.strip-cell span { display: block; margin-top: 5px; font-size: 12.5px; color: var(--muted); }
@media (max-width: 760px) {
  .strip-in { grid-template-columns: repeat(2, 1fr); }
  .strip-cell { padding: 14px 0 14px 14px; }
  .strip-cell:nth-child(3) { border-left: 0; padding-left: 0; }
  .strip-cell:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* ============ sections ============ */
.section { border-bottom: 1px solid var(--line); }
.section-in { padding: 56px 0; }
.section-head { display: grid; grid-template-columns: 1fr 360px; gap: 40px; align-items: end; margin-bottom: 30px; }
.section-head h2 { font-size: clamp(23px, 2.8vw, 32px); letter-spacing: -.04em; }
.section-head p { color: var(--muted); font-size: 14.5px; }
.section-kicker { font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin-bottom: 10px; }
@media (max-width: 860px) { .section-head { grid-template-columns: 1fr; gap: 12px; } .section-in { padding: 40px 0; } }

/* numbered steps */
.steps { display: grid; gap: 0; border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 34px minmax(0, 300px) minmax(0, 1fr); gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); align-items: start; }
.step:last-child { border-bottom: 0; }
.step-num {
  width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--line-strong);
  display: grid; place-items: center; font: 500 12px/1 var(--mono); color: var(--muted); margin-top: 2px;
}
.step h3 { font-size: 16px; letter-spacing: -.02em; }
.step p { color: var(--muted); font-size: 14px; margin-top: 4px; }
@media (max-width: 760px) { .step { grid-template-columns: 30px 1fr; } .step p { grid-column: 2; } }

/* feature grid */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.cell { background: var(--bg); padding: 20px 18px 22px; min-height: 150px; transition: background .18s; }
.cell:hover { background: var(--bg-subtle); }
.cell i { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--line); border-radius: 7px; margin-bottom: 13px; color: var(--muted); }
.cell h3 { font-size: 14.5px; margin-bottom: 6px; letter-spacing: -.01em; }
.cell p { font-size: 13.5px; color: var(--muted); line-height: 1.55; }
@media (max-width: 860px) { .grid-3 { grid-template-columns: 1fr; } }

/* ============ hover image list ============ */
.hover-list { border-top: 1px solid var(--line); }
.hover-row {
  display: grid; grid-template-columns: 28px 1fr auto; gap: 16px; align-items: center;
  padding: 16px 4px; border-bottom: 1px solid var(--line);
  transition: background .18s, padding .18s;
}
.hover-row:hover { background: var(--bg-muted); padding-left: 12px; padding-right: 12px; }
.hover-row .idx { font: 500 11.5px/1 var(--mono); color: var(--faint); }
.hover-row h3 { font-size: 19px; letter-spacing: -.03em; font-weight: 500; }
.hover-row .meta { font: 12px/1.5 var(--mono); color: var(--muted); text-align: right; }
.hover-preview {
  position: fixed; top: 0; left: 0; width: 236px; height: 154px; pointer-events: none;
  border-radius: var(--radius); border: 1px solid var(--line-strong); overflow: hidden;
  opacity: 0; transition: opacity .18s var(--ease); z-index: 90; background: var(--bg-muted);
  will-change: transform;
}
.hover-preview.on { opacity: 1; }
.hover-preview img { width: 100%; height: 100%; object-fit: cover; }
.hover-preview .cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 6px 8px;
  font: 11px/1 var(--mono); background: color-mix(in srgb, var(--bg) 88%, transparent);
  color: var(--muted); backdrop-filter: blur(4px);
}
@media (max-width: 760px) { .hover-preview { display: none; } .hover-row h3 { font-size: 16.5px; } }

/* ============ prices ============ */
.prices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.price { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 18px 20px; display: flex; flex-direction: column; gap: 12px; }
.price.hot { border-color: var(--fg); }
.price h3 { font-size: 11.5px; font-family: var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.price b { font-size: 28px; font-weight: 600; letter-spacing: -.04em; }
.price b small { font-size: 12.5px; color: var(--faint); font-weight: 400; letter-spacing: 0; }
.price ul { list-style: none; margin: 2px 0 8px; padding: 0; display: grid; gap: 7px; font-size: 13.5px; color: var(--fg-soft); }
.price li { display: flex; gap: 8px; align-items: flex-start; }
.price li::before { content: "—"; color: var(--faint); }
.price .btn { margin-top: auto; width: 100%; }
@media (max-width: 900px) { .prices { grid-template-columns: 1fr; } }

/* ============ cta ============ */
.cta { padding: 64px 0; text-align: center; }
.cta h2 { font-size: clamp(25px, 3.4vw, 38px); letter-spacing: -.045em; }
.cta p { margin: 12px auto 20px; color: var(--muted); max-width: 44ch; font-size: 15px; }
.cta .hero-cta { justify-content: center; margin-top: 0; }

/* ============ footer ============ */
.footer { border-top: 1px solid var(--line); padding: 30px 0 32px; }
.footer-in { display: flex; gap: 24px; align-items: flex-start; flex-wrap: wrap; }
.footer-in .brand { margin-right: auto; }
.footer-cols { display: flex; gap: 44px; flex-wrap: wrap; }
.footer-col h4 { font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin-bottom: 9px; }
.footer-col a { display: block; font-size: 13px; color: var(--muted); padding: 3px 0; }
.footer-col a:hover { color: var(--fg); }
.footer-base { display: flex; justify-content: space-between; gap: 16px; margin-top: 24px; padding-top: 14px; border-top: 1px solid var(--line); font: 11.5px/1.6 var(--mono); color: var(--faint); flex-wrap: wrap; }

/* ============ docs ============ */
.doc { display: grid; grid-template-columns: 206px minmax(0, 1fr); gap: 44px; padding: 36px 0 72px; }
.doc-nav { position: sticky; top: calc(var(--nav) + 22px); align-self: start; display: grid; gap: 1px; font-size: 13px; }
.doc-nav b { font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin: 14px 0 5px; }
.doc-nav b:first-child { margin-top: 0; }
.doc-nav a { color: var(--muted); padding: 4px 8px; border-radius: 6px; }
.doc-nav a:hover { color: var(--fg); background: var(--bg-muted); }
.doc-body { max-width: var(--read); }
.doc h1 { font-size: 32px; margin-bottom: 8px; }
.doc h2 { font-size: 19px; margin: 32px 0 10px; letter-spacing: -.025em; }
.doc h3 { font-size: 14.5px; margin: 20px 0 7px; }
.doc p { color: var(--muted); font-size: 14.5px; margin-bottom: 12px; }
.doc ul { color: var(--muted); font-size: 14.5px; padding-left: 18px; margin: 8px 0 14px; }
.doc li { margin: 5px 0; }
.doc table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 10px 0 18px; }
.doc th { text-align: left; font: 500 10.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--faint); padding: 8px 10px; border-bottom: 1px solid var(--line); }
.doc td { padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc code { font-size: 12.5px; background: var(--bg-muted); padding: 2px 5px; border-radius: 5px; border: 1px solid var(--line); }
@media (max-width: 820px) { .doc { grid-template-columns: 1fr; gap: 18px; padding: 22px 0 52px; } .doc-nav { display: none; } }

/* ============ standalone video player ============ */
.player-page { background: var(--bg); color: var(--fg); min-height: 100vh; display: flex; flex-direction: column; }
.pl-top { display: flex; align-items: center; gap: 12px; height: var(--nav); padding: 0 24px; border-bottom: 1px solid var(--line); }
.pl-brand { font: 600 13.5px/1 var(--mono); }
.pl-brand span { color: var(--faint); }
.pl-meta { font: 12px/1 var(--mono); color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl-stage { flex: 1; display: grid; place-items: center; padding: 24px; min-height: 0; }
.pl-video {
  width: 100%; max-width: 1080px; max-height: calc(100vh - 176px);
  background: #000; border: 1px solid var(--line); border-radius: var(--radius); display: block;
}
.pl-foot { display: flex; align-items: center; gap: 14px; padding: 12px 24px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.pl-name { font-size: 13.5px; color: var(--fg-soft); max-width: 60ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pl-actions { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
@media (max-width: 640px) {
  .pl-top { padding: 0 14px; }
  .pl-foot { padding: 10px 14px; }
  .pl-stage { padding: 12px; }
  .pl-video { max-height: calc(100vh - 158px); }
  .pl-actions { margin-left: 0; width: 100%; }
}

/* ============ reveal ============ */
.rv { opacity: 1; transform: none; }
html[data-js="1"] .rv { opacity: 0; transform: translateY(10px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
html[data-js="1"] .rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html[data-js="1"] .rv { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}