/* House Track — shared styles. Tokens from brand.json; dark is the brand default. */
:root {
  --bg: #0D0E12; --surface: #17191F; --surface-2: #1F222A; --line: #2A2E37; --line-strong: #3A3F4A;
  --text: #F2EEE6; --muted: #A6A298; --faint: #6F6C66;
  --primary: #E8B04B; --primary-ink: #E8B04B; --on-primary: #17130A;
  --accent: #3FD0C9; --accent-ink: #3FD0C9;
  --danger: #F0786A; --ok: #6FD08C;
  --glow-a: rgba(232,176,75,.18); --glow-b: rgba(63,208,201,.14);
  --shadow: 0 1px 0 rgba(255,255,255,.04) inset, 0 20px 50px -20px rgba(0,0,0,.6);
  --radius: 16px; --radius-sm: 10px;
  --head: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --c1: #BC8724; --c2: #21A09A; --c3: #8C78F0; --c4: #E0604F; --c5: #3F82D6;
  --grid: rgba(242,238,230,.08);
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #F6F2EA; --surface: #FFFFFF; --surface-2: #EFEADF; --line: #E2DBCD; --line-strong: #CFC6B4;
    --text: #17161A; --muted: #5C584F; --faint: #8B867B;
    --primary: #E8B04B; --primary-ink: #8A5B06; --on-primary: #17130A;
    --accent: #3FD0C9; --accent-ink: #0B7570;
    --danger: #B83A2C; --ok: #1E7A3A;
    --glow-a: rgba(232,176,75,.22); --glow-b: rgba(63,208,201,.18);
    --shadow: 0 1px 2px rgba(23,22,26,.05), 0 18px 40px -24px rgba(23,22,26,.25);
    --c1: #B07A10; --c2: #13958F; --c3: #6E58E0; --c4: #D04F3F; --c5: #2F6FC2;
    --grid: rgba(23,22,26,.08);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #F6F2EA; --surface: #FFFFFF; --surface-2: #EFEADF; --line: #E2DBCD; --line-strong: #CFC6B4;
  --text: #17161A; --muted: #5C584F; --faint: #8B867B;
  --primary: #E8B04B; --primary-ink: #8A5B06; --on-primary: #17130A;
  --accent: #3FD0C9; --accent-ink: #0B7570;
  --danger: #B83A2C; --ok: #1E7A3A;
  --glow-a: rgba(232,176,75,.22); --glow-b: rgba(63,208,201,.18);
  --shadow: 0 1px 2px rgba(23,22,26,.05), 0 18px 40px -24px rgba(23,22,26,.25);
  --c1: #B07A10; --c2: #13958F; --c3: #6E58E0; --c4: #D04F3F; --c5: #2F6FC2;
  --grid: rgba(23,22,26,.08);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body {
  margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.6 var(--body);
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
h1, h2, h3, h4 { font-family: var(--head); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2.4rem, 6.2vw, 4.6rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); }
h3 { font-size: 1.25rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
a { color: var(--accent-ink); text-underline-offset: 3px; }
a:hover { color: var(--primary-ink); }
small, .small { font-size: .86rem; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: .92em; }
.num { font-variant-numeric: tabular-nums; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--primary); color: var(--on-primary); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
@media (max-width: 480px) { .wrap { padding: 0 16px; } }
section { padding: 84px 0; }
@media (max-width: 700px) { section { padding: 56px 0; } }
.eyebrow { font: 600 .78rem/1 var(--body); letter-spacing: .14em; text-transform: uppercase; color: var(--primary-ink); margin-bottom: 14px; display: inline-flex; gap: 8px; align-items: center; }
.eyebrow::before { content: ""; width: 18px; height: 2px; background: currentColor; border-radius: 2px; }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--muted); max-width: 680px; }

/* Header / nav */
.site-head { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: saturate(140%) blur(12px); -webkit-backdrop-filter: saturate(140%) blur(12px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; gap: 18px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font: 800 1.12rem/1 var(--head); letter-spacing: -0.02em; }
.brand svg { flex: none; }
.nav-links { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; padding: 8px 11px; border-radius: 999px; font-size: .93rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); background: var(--surface-2); }
.nav-links a[aria-current="page"] { color: var(--text); background: var(--surface-2); }
.nav-links a.nav-cta, .nav-links a.nav-cta:hover, .nav-links a.nav-cta[aria-current="page"] { background: var(--primary); color: var(--on-primary); }
.nav-cta { margin-left: 6px; }
.theme-btn, .menu-btn { background: transparent; border: 1px solid var(--line); color: var(--text); width: 38px; height: 38px; border-radius: 999px; display: inline-grid; place-items: center; cursor: pointer; flex: none; }
.theme-btn:hover, .menu-btn:hover { border-color: var(--line-strong); }
.menu-btn { display: none; }
@media (max-width: 980px) {
  .menu-btn { display: inline-grid; margin-left: auto; }
  .nav-links { position: fixed; inset: 64px 0 auto 0; flex-direction: column; align-items: stretch; background: var(--bg); border-bottom: 1px solid var(--line); padding: 10px 16px 18px; gap: 2px; display: none; margin: 0; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 12px; border-radius: 10px; font-size: 1rem; }
  .nav-cta { margin: 8px 0 0; text-align: center; }
}

/* Buttons */
.btn { --b: var(--surface-2); display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 12px 20px; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--b); color: var(--text); font: 600 .97rem/1 var(--body); text-decoration: none; cursor: pointer; transition: transform .15s ease, background .15s ease, border-color .15s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); color: var(--text); border-color: var(--muted); }
.btn:active { transform: translateY(0); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.btn.primary:hover { color: var(--on-primary); filter: brightness(1.06); }
.btn.accent { background: var(--accent); border-color: var(--accent); color: #062523; }
.btn.ghost { background: transparent; }
.btn.sm { padding: 8px 14px; font-size: .88rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* Cards & grids */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.card h3 { margin-bottom: .35em; }
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) { .g3, .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .g2, .g3, .g4 { grid-template-columns: minmax(0, 1fr); } }
.grid > *, .split > *, .doc-layout > * { min-width: 0; }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: minmax(0, 1fr); gap: 32px; } }
.icon-chip { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--surface-2); color: var(--primary-ink); margin-bottom: 14px; border: 1px solid var(--line); }
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: .76rem; font-weight: 600; letter-spacing: .02em; background: var(--surface-2); color: var(--muted); border: 1px solid var(--line); }
.tag.proj { color: var(--primary-ink); border-color: color-mix(in srgb, var(--primary) 45%, transparent); background: color-mix(in srgb, var(--primary) 10%, transparent); }
.tag.demo { color: var(--accent-ink); border-color: color-mix(in srgb, var(--accent) 45%, transparent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.notice { border: 1px dashed var(--line-strong); border-radius: 12px; padding: 14px 16px; color: var(--muted); font-size: .9rem; background: color-mix(in srgb, var(--surface) 60%, transparent); }
.notice strong { color: var(--text); }

/* Hero */
.hero { position: relative; padding: 72px 0 64px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -20% -10% auto -10%; height: 120%; background: radial-gradient(40% 50% at 18% 30%, var(--glow-a), transparent 70%), radial-gradient(35% 45% at 85% 20%, var(--glow-b), transparent 70%); pointer-events: none; z-index: -1; }
.hero h1 .hl { background: linear-gradient(100deg, var(--primary) 10%, var(--accent) 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-demo { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: 22px; box-shadow: var(--shadow); position: relative; }
.hero-demo canvas { width: 100%; height: 150px; display: block; border-radius: 12px; background: var(--surface-2); }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label, .lbl { font-size: .82rem; color: var(--muted); font-weight: 600; letter-spacing: .01em; }
input[type="text"], input[type="number"], input[type="email"], select, textarea {
  width: 100%; max-width: 100%; min-width: 0; background: var(--bg); color: var(--text); border: 1px solid var(--line-strong); border-radius: 10px; padding: 11px 12px; font: 500 1rem/1.2 var(--body);
}
input[type="text"]:focus, input[type="number"]:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
input[type="range"] { width: 100%; accent-color: var(--primary); height: 28px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid var(--line-strong); background: transparent; color: var(--muted); padding: 8px 13px; border-radius: 999px; font: 600 .86rem/1 var(--body); cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.readout { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: .86rem; color: var(--muted); margin-top: 12px; }
.readout b { color: var(--text); font-weight: 600; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 820px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.stat .v { font: 800 clamp(1.5rem, 3vw, 2.1rem)/1.05 var(--head); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat .k { color: var(--muted); font-size: .84rem; margin-top: 6px; }

/* Steps */
.steps { counter-reset: s; display: grid; gap: 16px; }
.step { position: relative; padding: 20px 20px 20px 64px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.step::before { counter-increment: s; content: counter(s); position: absolute; left: 18px; top: 18px; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font: 700 .95rem/1 var(--head); background: var(--primary); color: var(--on-primary); }
.step h3 { font-size: 1.08rem; margin-bottom: .25em; }
.step p { margin: 0; color: var(--muted); }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: .8rem; letter-spacing: .03em; text-transform: uppercase; background: var(--surface-2); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.r, th.r { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
/* label column never collapses to one character per line on phones; the wrapper scrolls instead */
.prose td:first-child, .prose th:first-child { min-width: 9.5em; }
#qLines td.r { white-space: normal; min-width: 8em; }
tbody tr:hover td { background: color-mix(in srgb, var(--surface-2) 55%, transparent); }

/* Pricing */
.price-card { display: flex; flex-direction: column; }
.price-card .price { font: 800 2.2rem/1 var(--head); letter-spacing: -0.02em; margin: 8px 0 2px; }
.price-card .per { color: var(--muted); font-size: .88rem; }
.price-card ul { padding: 0; margin: 16px 0 20px; list-style: none; display: grid; gap: 8px; font-size: .93rem; }
.price-card li { padding-left: 24px; position: relative; }
.price-card li::before { content: ""; position: absolute; left: 2px; top: .5em; width: 10px; height: 6px; border-left: 2px solid var(--accent-ink); border-bottom: 2px solid var(--accent-ink); transform: rotate(-45deg); }
.price-card.feature { border-color: color-mix(in srgb, var(--primary) 60%, transparent); box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary) 40%, transparent), var(--shadow); }
.price-card .btn { margin-top: auto; }

/* Segmented control */
.seg { display: inline-flex; padding: 4px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; gap: 2px; flex-wrap: wrap; }
.seg button { border: 0; background: transparent; color: var(--muted); padding: 8px 14px; border-radius: 999px; font: 600 .88rem/1 var(--body); cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.25); }

/* FAQ */
details.faq { border-bottom: 1px solid var(--line); padding: 4px 0; }
details.faq summary { cursor: pointer; list-style: none; padding: 16px 36px 16px 0; font: 600 1.05rem/1.35 var(--head); position: relative; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font: 400 1.6rem/1 var(--body); color: var(--muted); transition: transform .2s; }
details.faq[open] summary::after { transform: rotate(45deg); }
details.faq p { color: var(--muted); padding-right: 24px; }

/* Charts */
.chart-box { position: relative; height: 320px; }
.chart-box.tall { height: 380px; }
@media (max-width: 620px) { .chart-box { height: 260px; } .chart-box.tall { height: 300px; } }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .84rem; color: var(--muted); margin: 6px 0 12px; }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend i { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }

/* CTA band */
.cta-band { border-radius: 24px; padding: 48px; background: radial-gradient(60% 120% at 0% 0%, var(--glow-a), transparent 60%), radial-gradient(60% 120% at 100% 100%, var(--glow-b), transparent 60%), var(--surface); border: 1px solid var(--line); text-align: center; }
@media (max-width: 620px) { .cta-band { padding: 32px 20px; } }

/* Footer */
.site-foot { border-top: 1px solid var(--line); padding: 44px 0 36px; margin-top: 40px; font-size: .9rem; color: var(--muted); }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 24px; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
.site-foot h4 { font: 600 .78rem/1 var(--body); text-transform: uppercase; letter-spacing: .12em; color: var(--text); margin-bottom: 12px; }
.site-foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-foot a { color: var(--muted); text-decoration: none; }
.site-foot a:hover { color: var(--text); }
.foot-legal { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

/* Plan document */
.doc-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 48px; align-items: start; }
@media (max-width: 980px) { .doc-layout { grid-template-columns: minmax(0, 1fr); } }
.toc { position: sticky; top: 84px; max-height: calc(100vh - 100px); overflow: auto; font-size: .88rem; padding-right: 6px; }
@media (max-width: 980px) { .toc { position: static; max-height: none; border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; background: var(--surface); } }
.toc ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.toc a { color: var(--muted); text-decoration: none; display: block; padding: 5px 10px; border-radius: 8px; border-left: 2px solid transparent; }
.toc a:hover, .toc a.active { color: var(--text); background: var(--surface-2); border-left-color: var(--primary); }
.prose { max-width: 820px; overflow-wrap: anywhere; }
.prose h2 { margin-top: 2.2em; padding-top: .4em; scroll-margin-top: 84px; font-size: clamp(1.5rem, 2.6vw, 2rem); }
.prose h3 { margin-top: 1.8em; scroll-margin-top: 84px; }
.prose h1 { font-size: clamp(2rem, 4.4vw, 3rem); }
.prose p, .prose li { color: color-mix(in srgb, var(--text) 88%, var(--muted)); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: .4em; }
.prose table { margin: 0; }
.prose .table-wrap { margin: 1.2em 0 1.6em; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }
.prose code { font-family: var(--mono); font-size: .88em; background: var(--surface-2); padding: 1px 6px; border-radius: 6px; }
.prose strong { color: var(--text); }

/* Diagram helpers */
.diagram svg { width: 100%; height: auto; display: block; }
.diagram text { font-family: var(--body); }
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media print {
  .site-head, .site-foot, .toc, .no-print { display: none !important; }
  body { background: #fff; color: #000; }
  .doc-layout { display: block; }
  .reveal { opacity: 1 !important; transform: none !important; } /* never print sections that were not scrolled into view */
}
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }