:root {
  --bg: #0f1216;
  --panel: #161b21;
  --panel-2: #1d242c;
  --line: #2a333d;
  --text: #e8edf2;
  --muted: #9aa7b4;
  --accent: #ffb020;
  --accent-ink: #1a1200;
  --good: #3ecf8e;
  --warn: #ff7a59;
  --radius: 12px;
  --max: 1120px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, canvas { max-width: 100%; }
code, pre, kbd { font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; }
pre { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; overflow-x: auto; }
:not(pre) > code { background: var(--panel-2); padding: 1px 6px; border-radius: 5px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
header.site { position: sticky; top: 0; z-index: 10; background: rgba(15, 18, 22, 0.88); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; gap: 22px; height: 60px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 750; letter-spacing: -0.01em; color: var(--text); font-size: 18px; }
.logo svg { width: 26px; height: 26px; }
nav.main { display: flex; gap: 18px; margin-left: auto; align-items: center; }
nav.main a { color: var(--muted); font-size: 15px; }
nav.main a:hover, nav.main a.active { color: var(--text); text-decoration: none; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); border-radius: 9px; padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover { border-color: #3b4652; text-decoration: none; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.06); }
.btn:disabled { opacity: 0.55; cursor: progress; }
.btn.small { padding: 6px 11px; font-size: 14px; }

.hero { padding: 64px 0 28px; }
.hero h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.05; letter-spacing: -0.03em; margin: 0 0 18px; max-width: 14ch; }
.hero p.lede { font-size: 19px; color: var(--muted); max-width: 58ch; margin: 0 0 26px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 12px; color: var(--accent); font-weight: 700; margin-bottom: 14px; }

.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: 1fr 1fr; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px) { .grid.two, .grid.three { grid-template-columns: 1fr; } nav.main .hide-sm { display: none; } }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }
section { padding: 40px 0; }
section h2 { font-size: 30px; letter-spacing: -0.02em; margin: 0 0 8px; }
section .sub { color: var(--muted); margin: 0 0 24px; max-width: 64ch; }

.studio { display: grid; grid-template-columns: 320px 1fr; gap: 18px; align-items: start; }
@media (max-width: 960px) { .studio { grid-template-columns: 1fr; } }
.form { display: grid; gap: 12px; }
.form label { display: grid; gap: 5px; font-size: 13px; color: var(--muted); font-weight: 600; }
.form input, .form select { background: var(--panel-2); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 9px 10px; font: inherit; width: 100%; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.viewer { position: relative; background: radial-gradient(1200px 500px at 50% 0%, #1b2430, #0d1014); border: 1px solid var(--line); border-radius: var(--radius); height: 460px; overflow: hidden; }
.viewer canvas { display: block; width: 100%; height: 100%; }
.viewer .overlay { position: absolute; inset: auto 12px 12px 12px; display: flex; gap: 8px; flex-wrap: wrap; pointer-events: none; }
.viewer .empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); text-align: center; padding: 20px; }
.chip { background: rgba(13, 16, 20, 0.82); border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px; font-size: 13px; color: var(--text); }
.chip b { color: var(--accent); font-weight: 700; }
.chart { margin-top: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; height: 170px; }
.chart canvas { width: 100%; height: 100%; display: block; }
.warnings { margin-top: 10px; display: grid; gap: 6px; }
.warn { border-left: 3px solid var(--warn); background: #2a1a15; padding: 8px 12px; border-radius: 6px; font-size: 14px; }
.ok { border-left: 3px solid var(--good); background: #12261d; padding: 8px 12px; border-radius: 6px; font-size: 14px; }

.steps { counter-reset: s; display: grid; gap: 14px; }
.steps .card { position: relative; padding-left: 64px; }
.steps .card::before { counter-increment: s; content: counter(s); position: absolute; left: 20px; top: 18px; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-weight: 800; }

.pricing .card { display: flex; flex-direction: column; gap: 10px; }
.pricing .price { font-size: 34px; font-weight: 800; letter-spacing: -0.02em; }
.pricing .price small { font-size: 15px; color: var(--muted); font-weight: 500; }
.pricing ul { margin: 0; padding-left: 18px; color: var(--muted); }
.pricing .featured { border-color: var(--accent); }
.badge { display: inline-block; font-size: 12px; font-weight: 700; color: var(--accent-ink); background: var(--accent); border-radius: 999px; padding: 2px 9px; }
.badge.muted { background: var(--panel-2); color: var(--muted); border: 1px solid var(--line); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }

details { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; }
details + details { margin-top: 10px; }
summary { cursor: pointer; font-weight: 650; }
details p { color: var(--muted); margin: 10px 0 0; }

.doc { display: grid; grid-template-columns: 220px 1fr; gap: 32px; padding: 32px 0 60px; }
.doc aside { position: sticky; top: 80px; align-self: start; display: grid; gap: 6px; font-size: 14px; }
.doc aside a { color: var(--muted); }
.doc article h2 { margin-top: 34px; }
.doc article h2:first-child { margin-top: 0; }
@media (max-width: 860px) { .doc { grid-template-columns: 1fr; } .doc aside { position: static; } }

.notice { background: #1f1a0d; border: 1px solid #4a3a12; color: #f3d48a; border-radius: 10px; padding: 10px 14px; font-size: 14px; }
.muted { color: var(--muted); }
.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }
.keybox { display: flex; gap: 8px; align-items: center; background: var(--panel-2); border: 1px dashed var(--accent); padding: 10px 12px; border-radius: 8px; word-break: break-all; }
.hidden { display: none !important; }
.stack { display: grid; gap: 14px; }
footer.site { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; margin-top: 40px; }
footer.site .wrap { display: flex; gap: 20px; flex-wrap: wrap; justify-content: space-between; }