/* seatpublic.com: landing page, docs and the editor wrapper. The dashboard carries a copy of the tokens and header. */
:root {
  --paper: #f6f3ed; --paper-2: #eee9df; --card: #fffdf8; --ink: #16181d; --ink-2: #30343d; --muted: #646a76; --line: #e0d9cc;
  --amber: #e4941f; --amber-ink: #9c5a06; --amber-soft: #f6e4c4;
  --house: #101216; --house-2: #171a20; --house-3: #1f232b; --house-line: #2a2f39; --house-text: #ebe7df; --house-muted: #9ba1ac;
  --good: #2f8f5d; --bad: #c4505a; --held: #d4892a;
  --serif: "Instrument Serif", Georgia, serif; --sans: "Instrument Sans", system-ui, sans-serif; --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --wrap: 1160px; --gutter: 24px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0d0f13; --paper-2: #13161b; --card: #161920; --ink: #ece8e0; --ink-2: #cfcac0; --muted: #959ba6; --line: #252a33;
    --amber-ink: #f0a93f; --amber-soft: #3a2a12; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0d0f13; --paper-2: #13161b; --card: #161920; --ink: #ece8e0; --ink-2: #cfcac0; --muted: #959ba6; --line: #252a33;
  --amber-ink: #f0a93f; --amber-soft: #3a2a12; color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img, svg, canvas { display: block; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--mono); }
.eyebrow { font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--amber-ink); margin: 0 0 18px; }
.house .eyebrow { color: var(--amber); }
h1, h2, h3 { margin: 0; font-weight: 400; }
.display { font: 400 clamp(44px, 6.4vw, 80px)/0.98 var(--serif); letter-spacing: -0.015em; }
.display em, .title em { font-style: italic; color: var(--amber); }
.title { font: 400 clamp(32px, 4vw, 48px)/1.05 var(--serif); letter-spacing: -0.01em; }
.lede { font-size: 19px; line-height: 1.55; color: var(--muted); max-width: 34em; margin: 22px 0 0; }
.house .lede { color: var(--house-muted); }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 20px; border-radius: 999px; font: 600 15px/1 var(--sans);
  text-decoration: none; border: 1px solid transparent; cursor: pointer; white-space: nowrap; transition: background .15s, border-color .15s, color .15s; }
.btn-primary { background: var(--amber); color: #1a1104; }
.btn-primary:hover { background: #f0a63a; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); }
.house .btn-ghost { border-color: var(--house-line); color: var(--house-text); }
.house .btn-ghost:hover { border-color: var(--house-text); }
.btn-sm { height: 36px; padding: 0 16px; font-size: 14px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* site header */
.site-header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line); }
.site-header.on-house { background: var(--house); border-bottom-color: var(--house-line); color: var(--house-text); }
.site-header .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 600 17px/1 var(--sans); letter-spacing: -0.01em; text-decoration: none; }
.brand svg { width: 26px; height: 26px; }
.site-nav { display: flex; gap: 24px; font-size: 14px; }
.site-nav a { text-decoration: none; color: inherit; opacity: .72; }
.site-nav a:hover, .site-nav a[aria-current="page"] { opacity: 1; }
.site-header .grow { flex: 1; }
.site-header .signin { font-size: 14px; text-decoration: none; opacity: .8; }
.site-header .signin:hover { opacity: 1; }

/* the dark "house" (house lights down) */
.house { background: var(--house); color: var(--house-text); }
.house a { color: inherit; }

/* hero */
.hero { padding: 72px 0 0; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: center; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--house-muted); }
.stage { position: relative; background: var(--house-2); border: 1px solid var(--house-line); border-radius: 18px; overflow: hidden;
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.7); }
.stage-bar { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-bottom: 1px solid var(--house-line); font: 500 12px/1 var(--mono);
  color: var(--house-muted); }
.stage-bar .live { display: inline-flex; align-items: center; gap: 7px; color: var(--house-text); }
.stage-bar .live i { width: 7px; height: 7px; border-radius: 50%; background: #3fbf7f; box-shadow: 0 0 0 4px rgba(63,191,127,.15); }
.stage-bar .grow { flex: 1; }
.stage-map { height: 470px; }
.stage-foot { display: flex; align-items: center; gap: 16px; min-height: 64px; padding: 12px 16px; border-top: 1px solid var(--house-line); font-size: 14px; }
.stage-foot .what { flex: 1; color: var(--house-muted); }
.stage-foot .what b { color: var(--house-text); font-weight: 600; }
.stage-foot .timer { font: 500 13px/1 var(--mono); color: var(--amber); }
.legend { display: flex; gap: 14px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 9px; height: 9px; border-radius: 50%; }

/* facts under the hero */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 72px; border-top: 1px solid var(--house-line); }
.facts div { padding: 28px 24px 36px 0; }
.facts div + div { padding-left: 24px; border-left: 1px solid var(--house-line); }
.facts b { display: block; font: 400 34px/1 var(--serif); color: var(--house-text); margin-bottom: 10px; }
.facts p { margin: 0; font-size: 14px; line-height: 1.5; color: var(--house-muted); }

/* sections */
.section { padding: 112px 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head p { color: var(--muted); font-size: 18px; margin: 18px 0 0; }
.section-head .eyebrow { font-size: 12px; margin: 0 0 18px; color: var(--amber-ink); }
section[id], [id] > h2 { scroll-margin-top: 80px; }

/* how it works: steps beside a code panel */
.steps { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 48px; align-items: start; }
.step-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.step-list button { all: unset; box-sizing: border-box; display: grid; grid-template-columns: 44px 1fr; width: 100%; padding: 22px 0; cursor: pointer;
  border-bottom: 1px solid var(--line); }
.step-list .n { font: 500 13px/28px var(--mono); color: var(--muted); }
.step-list h3 { font: 600 18px/28px var(--sans); }
.step-list p { grid-column: 2; margin: 6px 0 0; color: var(--muted); font-size: 15px; display: none; }
.step-list button[aria-selected="true"] .n { color: var(--amber-ink); }
.step-list button[aria-selected="true"] p { display: block; }
.step-list button:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.code { background: var(--house); color: var(--house-text); border-radius: 14px; overflow: hidden; border: 1px solid var(--house-line); }
.code-head { display: flex; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--house-line); font: 500 12px/1 var(--mono); color: var(--house-muted); }
.code-head .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--house-line); }
.code-head .file { margin-left: 8px; color: var(--house-text); }
.code pre { margin: 0; padding: 20px 22px; overflow-x: auto; font: 400 13.5px/1.75 var(--mono); }
.code .c { color: #7d8492; } .code .k { color: #e4941f; } .code .s { color: #9fd3a4; } .code .p { color: #8fb8f0; }

/* alternating feature rows */
.rows { display: grid; gap: 112px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.row:nth-child(even) .row-text { order: 2; }
.row-text h3 { font: 400 34px/1.1 var(--serif); letter-spacing: -0.01em; }
.row-text p { color: var(--muted); font-size: 17px; margin: 16px 0 0; }
.ticks { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 10px; font-size: 15px; }
.ticks li { display: grid; grid-template-columns: 22px 1fr; }
.ticks li::before { content: ""; width: 10px; height: 10px; margin-top: 7px; border-radius: 2px; background: var(--amber); transform: rotate(45deg) scale(.7); }

/* small, honest product replicas */
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; box-shadow: 0 30px 60px -45px rgba(20,18,12,.45); }
.panel-title { font: 600 13px/1 var(--sans); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin: 0 0 16px; }
.seat-card { max-width: 340px; margin: 0 auto; }
.seat-card .where { font: 400 26px/1.1 var(--serif); }
.seat-card .meta { color: var(--muted); font-size: 14px; margin-top: 4px; }
.seat-card .price { display: flex; justify-content: space-between; align-items: baseline; padding: 16px 0; margin: 16px 0; border-block: 1px solid var(--line); }
.seat-card .price b { font: 600 22px/1 var(--sans); }
.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink-2); }
.chip i { width: 8px; height: 8px; border-radius: 50%; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.stars { color: var(--amber); letter-spacing: 2px; }
.counts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.counts div { background: var(--card); padding: 14px; }
.counts b { display: block; font: 600 22px/1 var(--sans); }
.counts span { font-size: 12px; color: var(--muted); }
.log { list-style: none; margin: 18px 0 0; padding: 0; font-size: 14px; }
.log li { display: grid; grid-template-columns: 64px 1fr auto; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); }
.log time { font: 500 12px/22px var(--mono); color: var(--muted); }
.log .who { color: var(--muted); font-size: 13px; }
.diff { font: 400 13px/1.9 var(--mono); }
.diff .add { color: var(--good); } .diff .del { color: var(--bad); }
.review { display: flex; align-items: center; gap: 10px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; }
.review .ok { color: var(--good); font-weight: 600; }

/* "what stays yours" */
.split3 { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.split3 > div { padding: 28px 28px 0 0; }
.split3 > div + div { padding-left: 28px; border-left: 1px solid var(--line); }
.split3 h3 { font: 600 17px/1.3 var(--sans); }
.split3 p { color: var(--muted); font-size: 15px; margin: 8px 0 0; }

/* developers band */
.dev { padding: 112px 0; }
.dev-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; align-items: start; }
.endpoints { border: 1px solid var(--house-line); border-radius: 14px; overflow: hidden; font: 400 13.5px/1.5 var(--mono); }
.endpoints div { display: grid; grid-template-columns: 68px 1fr; gap: 12px; padding: 13px 18px; border-top: 1px solid var(--house-line); }
.endpoints div:first-child { border-top: 0; }
.endpoints .m { color: var(--amber); }
.endpoints small { grid-column: 2; font: 400 13px/1.4 var(--sans); color: var(--house-muted); }
.dev .ticks li { color: var(--house-text); }
.link-arrow { display: inline-flex; gap: 6px; align-items: center; font-weight: 600; text-decoration: none; color: var(--amber-ink); }
.house .link-arrow { color: var(--amber); }
.link-arrow:hover { text-decoration: underline; }

/* closing call to action */
.cta { padding: 120px 0; text-align: center; }
.cta .title { max-width: 14em; margin: 0 auto; }
.cta p { color: var(--muted); font-size: 18px; margin: 18px auto 0; max-width: 32em; }
.cta .actions { justify-content: center; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 48px; font-size: 14px; }
.foot-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 32px; }
.site-footer h4 { margin: 0 0 12px; font: 600 13px/1 var(--sans); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--ink); }
.site-footer .small { color: var(--muted); margin: 14px 0 0; max-width: 26em; }
.copyright { margin-top: 48px; color: var(--muted); font-size: 13px; }

/* docs */
.docs { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; padding: 56px 0 96px; }
.toc { position: sticky; top: 96px; align-self: start; font-size: 14px; }
.toc p { font: 600 12px/1 var(--sans); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin: 0 0 12px; }
.toc ol { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 8px; }
.toc a { color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--ink); }
.prose { max-width: 760px; }
.prose .eyebrow { margin: 0 0 18px; }
.prose h1 { font: 400 52px/1.05 var(--serif); letter-spacing: -0.01em; }
.prose h2 { font: 400 30px/1.15 var(--serif); margin: 64px 0 0; padding-top: 8px; scroll-margin-top: 88px; }
.prose h2 .n { font: 500 13px/1 var(--mono); color: var(--amber-ink); display: block; margin-bottom: 10px; }
.prose h3 { font: 600 17px/1.3 var(--sans); margin: 32px 0 0; }
.prose p, .prose li { color: var(--ink-2); font-size: 16px; }
.prose p { margin: 14px 0 0; }
.prose ul { margin: 14px 0 0; padding-left: 20px; }
.prose li + li { margin-top: 6px; }
.prose code { font: 400 .88em/1 var(--mono); background: var(--paper-2); border: 1px solid var(--line); border-radius: 5px; padding: 2px 5px; }
.prose .code { margin: 18px 0 0; }
.prose .code code { all: unset; }
.note { margin: 20px 0 0; padding: 14px 18px; border-left: 3px solid var(--amber); background: var(--amber-soft); border-radius: 0 8px 8px 0; font-size: 15px; }
.note p { margin: 0; }
.kv { width: 100%; border-collapse: collapse; margin: 16px 0 0; font-size: 15px; }
.kv th, .kv td { text-align: left; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.kv th { font: 600 12px/1 var(--sans); color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }

@media (max-width: 960px) {
  .hero-grid, .steps, .row, .dev-grid, .docs { grid-template-columns: 1fr; gap: 40px; }
  .row:nth-child(even) .row-text { order: 0; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts div:nth-child(3) { padding-left: 0; border-left: 0; }
  .facts div:nth-child(n+3) { border-top: 1px solid var(--house-line); }
  .toc { position: static; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  :root { --gutter: 16px; }
  .site-nav { display: none; }
  .site-header .wrap { gap: 14px; }
  .hero { padding-top: 48px; }
  .stage-map { height: 380px; }
  .stage-bar .legend { display: none; }
  .section, .dev { padding: 80px 0; }
  .rows { gap: 80px; }
  .split3 { grid-template-columns: 1fr; }
  .split3 > div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); margin-top: 24px; }
  .counts { grid-template-columns: 1fr 1fr; }
  .facts b { font-size: 28px; }
  .stage-foot { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }