/* PitLane Terminal — marketing site.
   Same design language as the app: true black, hairline rules, square
   corners, amber as the one loud colour, monospace for anything data. */

@font-face { font-family: "Plex Mono"; src: url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Inter"; src: url("fonts/inter-latin-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  --bg: #000;
  --panel: #05070a;
  --panel-hi: #0b0f16;
  --chart: #07101c;
  --line: #1a212d;
  --line-hi: #2a3446;
  --text: #dce2ea;
  --dim: #8792a3;
  --faint: #4c5869;
  --amber: #ffa028;
  --green: #3ddc97;
  --red: #ff5c6c;
  --blue: #5ea8ff;
  --mono: "Plex Mono", ui-monospace, "JetBrains Mono", Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --wrap: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--sans); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
::selection { background: var(--amber); color: #000; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 820px; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--amber); color: #000; padding: 6px 10px; font-family: var(--mono); z-index: 100; }
.skip:focus { left: 8px; }

kbd {
  font-family: var(--mono); font-size: 0.85em; color: var(--amber);
  border: 1px solid var(--line-hi); padding: 1px 6px; background: var(--panel-hi);
}
.mono { font-family: var(--mono); }
.dim { color: var(--faint); }

/* ── top bar ─────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 50; background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.topbar-inner { display: flex; align-items: center; gap: 22px; height: 52px; }
.brand { display: flex; align-items: center; gap: 9px; color: var(--amber); font-family: var(--mono); font-weight: 600; letter-spacing: 0.14em; font-size: 15px; }
.brand:hover { text-decoration: none; }
.brand i { font-style: normal; color: var(--faint); }
.brand.small { font-size: 13px; color: var(--dim); gap: 6px; }
.brand.small span { color: var(--amber); }
.nav { display: flex; gap: 18px; margin-left: 12px; }
.nav a { font-family: var(--mono); font-size: 12px; color: var(--dim); letter-spacing: 0.04em; white-space: nowrap; }
.nav a b { color: var(--amber); font-weight: 600; margin-right: 4px; font-size: 11px; }
.nav a:hover { color: var(--text); text-decoration: none; }
.clocks { margin-left: auto; display: flex; gap: 14px; font-family: var(--mono); font-size: 11px; color: var(--faint); letter-spacing: 0.06em; }
.clocks b { color: var(--dim); font-weight: 500; }
.clocks span:first-child b { color: var(--amber); }

/* ── buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px; background: var(--amber); color: #000;
  font-family: var(--mono); font-weight: 600; letter-spacing: 0.12em; font-size: 12px;
  padding: 10px 16px; border: 1px solid var(--amber); cursor: pointer; white-space: nowrap;
  transition: background 120ms ease, color 120ms ease;
}
.btn:hover { text-decoration: none; background: #ffb550; }
.btn-sm { padding: 6px 12px; font-size: 11px; }
.btn-lg { padding: 14px 22px; font-size: 13px; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line-hi); }
.btn-ghost:hover { background: var(--panel-hi); color: var(--text); }

/* ── function strip ──────────────────────────────────── */
.strip { border-bottom: 1px solid var(--line); overflow: hidden; background: #020305; }
.strip-track { display: flex; width: max-content; animation: strip 60s linear infinite; }
.strip span { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--dim); padding: 8px 22px; border-right: 1px solid var(--line); white-space: nowrap; }
.strip b { color: var(--amber); font-weight: 600; margin-right: 8px; }
@keyframes strip { to { transform: translateX(-50%); } }

/* ── hero ────────────────────────────────────────────── */
.hero { padding: 72px 0 64px; border-bottom: 1px solid var(--line); background:
  radial-gradient(1200px 500px at 80% -10%, rgba(30, 50, 90, 0.35), transparent 60%), var(--bg); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.eyebrow { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.18em; color: var(--amber); margin: 0 0 14px; text-transform: uppercase; }
.eyebrow b { font-weight: 600; }
h1 { font-size: clamp(36px, 5vw, 58px); line-height: 1.05; letter-spacing: -0.025em; font-weight: 650; margin: 0 0 20px; color: #f4f6fa; }
h2 { font-size: clamp(26px, 3.2vw, 38px); line-height: 1.15; letter-spacing: -0.02em; font-weight: 650; margin: 0 0 14px; color: #f4f6fa; }
h3 { font-size: 17px; margin: 0 0 8px; font-weight: 600; color: #f4f6fa; }
.lede { font-size: 18px; line-height: 1.65; color: var(--dim); max-width: 560px; margin: 0 0 28px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.meta { font-family: var(--mono); font-size: 12px; color: var(--faint); margin: 0; }
.meta a { color: var(--dim); text-decoration: underline; text-decoration-color: var(--line-hi); }

.hero-panel { margin: 0; border: 1px solid var(--line); background: var(--chart); }
.panel-head, .panel-foot {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--dim); padding: 9px 14px;
}
.panel-head { border-bottom: 1px solid var(--line); }
.panel-head b { color: var(--amber); font-weight: 600; margin-right: 6px; }
.panel-foot { border-top: 1px solid var(--line); letter-spacing: 0.04em; }
#surface { width: 100%; height: auto; aspect-ratio: 640 / 420; display: block; }
.sw { display: inline-block; width: 9px; height: 9px; margin-right: 6px; vertical-align: -1px; }
.sw-r { background: #eb463c; }
.sw-g { background: var(--green); }

/* ── sections ────────────────────────────────────────── */
section { padding: 88px 0; border-bottom: 1px solid var(--line); }
section.alt { background: var(--panel); }
.section-head { max-width: 760px; margin-bottom: 40px; }
.sub { color: var(--dim); font-size: 17px; margin: 0; }
.note { font-size: 13.5px; color: var(--faint); border-left: 2px solid var(--line-hi); padding-left: 12px; margin-top: 22px; }
.note.center { border: none; text-align: center; padding: 0; margin-top: 36px; }

/* screenshot viewer */
.viewer-tabs { display: flex; flex-wrap: wrap; border: 1px solid var(--line); border-bottom: none; background: var(--panel); }
.viewer-tabs button {
  background: transparent; border: none; border-right: 1px solid var(--line); color: var(--dim);
  font-family: var(--mono); font-size: 12px; padding: 11px 16px; cursor: pointer; letter-spacing: 0.04em;
  border-bottom: 2px solid transparent;
}
.viewer-tabs button b { color: var(--amber); font-weight: 600; margin-right: 6px; font-size: 11px; }
.viewer-tabs button[aria-selected="true"] { color: var(--text); background: var(--panel-hi); border-bottom-color: var(--amber); }
.viewer-frame { border: 1px solid var(--line); background: #000; box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6); }
.viewer-frame img { width: 100%; transition: opacity 160ms ease; }
.viewer-cap { font-family: var(--mono); font-size: 12px; color: var(--faint); margin: 12px 0 0; }

/* feature splits */
.split { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.split.reverse > :first-child { order: 2; }
.feature p { color: var(--dim); }
.ticks { list-style: none; padding: 0; margin: 20px 0 0; }
.ticks li { position: relative; padding: 0 0 12px 22px; color: var(--dim); font-size: 15px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 10px; width: 8px; height: 2px; background: var(--amber); }
.ticks b { color: var(--text); font-weight: 600; }
.shot-card { margin: 0; border: 1px solid var(--line); background: #000; }
.shot-card figcaption { font-family: var(--mono); font-size: 11.5px; color: var(--faint); padding: 9px 12px; border-top: 1px solid var(--line); }
.shot-card.small { margin-top: 22px; }

/* course */
.course-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; }
.modules { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); counter-reset: mod; }
.modules li {
  counter-increment: mod; display: grid; grid-template-columns: 30px 64px 1fr auto; align-items: baseline;
  gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 14.5px; color: var(--text);
}
.modules li:last-child { border-bottom: none; }
.modules li::before { content: counter(mod, decimal-leading-zero); font-family: var(--mono); font-size: 11px; color: var(--faint); }
.modules li b { font-family: var(--mono); font-size: 11px; color: var(--amber); font-weight: 600; }
.modules li span { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.modules li.hl { background: rgba(255, 160, 40, 0.06); }
.deep dl { margin: 0; }
.deep dt { font-weight: 600; color: var(--text); margin-top: 14px; font-size: 15px; }
.deep dt::before { content: "› "; color: var(--amber); font-family: var(--mono); }
.deep dd { margin: 3px 0 0; color: var(--dim); font-size: 14.5px; }

/* pricing */
.pricing { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.plan { padding: 30px 28px; background: var(--panel); display: flex; flex-direction: column; align-items: flex-start; }
.plan + .plan { border-left: 1px solid var(--line); }
.plan.featured { box-shadow: inset 0 2px 0 var(--amber); background: radial-gradient(600px 240px at 50% 0%, rgba(255, 160, 40, 0.07), transparent 70%), var(--panel); }
.plan-tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--amber); margin: 0 0 10px; }
.price { font-family: var(--mono); font-size: 44px; font-weight: 600; line-height: 1; color: #f4f6fa; margin: 0; }
.price small { font-size: 12px; color: var(--faint); letter-spacing: 0.14em; margin-left: 10px; vertical-align: 6px; }
.plan .ticks { margin: 22px 0 8px; flex: 1; }
.plan .btn, .plan .meta { margin-top: 8px; }

/* legal pages */
.legal { max-width: 760px; padding-top: 56px; padding-bottom: 72px; }
.legal .brand { margin-bottom: 36px; }
.legal h1 { font-size: clamp(30px, 4vw, 42px); margin-bottom: 8px; }
.legal h2 { font-size: 19px; letter-spacing: -0.01em; margin: 34px 0 8px; }
.legal p, .legal li { color: var(--dim); font-size: 15.5px; line-height: 1.7; }
.legal p b, .legal li b { color: var(--text); }
.legal .meta { margin-bottom: 26px; }
.legal-foot { margin-top: 44px; padding-top: 18px; border-top: 1px solid var(--line); }
.footer-links { display: flex; gap: 18px; font-family: var(--mono); font-size: 12px; }

/* features grid */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.grid article { padding: 26px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg); }
.grid article > b { display: inline-block; font-family: var(--mono); font-size: 11px; color: var(--amber); font-weight: 600; letter-spacing: 0.06em; margin-bottom: 12px; border: 1px solid var(--line-hi); padding: 2px 7px; }
.grid p { color: var(--dim); font-size: 14.5px; margin: 0; }
.grid article.wide { grid-column: 1 / -1; background: radial-gradient(700px 200px at 0% 0%, rgba(255, 160, 40, 0.07), transparent 70%), var(--bg); }
.grid article.wide p { max-width: 820px; }
.tag { display: inline-block; margin-left: 8px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: #000; background: var(--amber); padding: 2px 6px; vertical-align: 1px; }
.whatsnew { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 14px; }
.whatsnew .eyebrow { font-size: 10.5px; margin-bottom: 8px; }
.whatsnew ul { margin: 0; padding-left: 18px; color: var(--dim); font-size: 13.5px; line-height: 1.7; }

/* download */
.download { background: radial-gradient(900px 400px at 50% 0%, rgba(255, 160, 40, 0.07), transparent 70%), var(--bg); }
.dl-panel { border: 1px solid var(--line); border-top: 2px solid var(--amber); background: var(--panel); }
.dl-body { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 36px; align-items: center; }
.dl-body .btn { margin: 22px 0 14px; }
.dl-body .meta { margin-top: 6px; }
.hash { color: var(--dim); word-break: break-all; }
.steps { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); }
.steps li { padding: 16px 18px; border-bottom: 1px solid var(--line); color: var(--dim); font-size: 15px; }
.steps li:last-child { border-bottom: none; }
.steps li b { font-family: var(--mono); color: var(--amber); font-size: 12px; margin-right: 10px; }

/* faq */
details { border-bottom: 1px solid var(--line); padding: 16px 0; }
details:first-of-type { border-top: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; color: var(--text); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-family: var(--mono); color: var(--amber); }
details[open] summary::after { content: "−"; }
details p { color: var(--dim); margin: 10px 0 0; }

/* footer */
.footer { padding: 44px 0 56px; }
.footer-inner { display: grid; gap: 12px; }
.footer p { font-size: 12.5px; color: var(--faint); max-width: 860px; margin: 0; }

/* reveal on scroll (progressive: content is visible without JS) */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity 500ms ease, transform 500ms ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* ── responsive ──────────────────────────────────────── */
@media (max-width: 1080px) {
  .clocks { display: none; }
}
@media (max-width: 920px) {
  .nav { display: none; }
  .topbar-inner { justify-content: space-between; }
  .hero-grid, .split, .course-grid, .dl-body, .pricing { grid-template-columns: 1fr; }
  .plan + .plan { border-left: none; border-top: 1px solid var(--line); }
  .split.reverse > :first-child { order: 0; }
  .grid { grid-template-columns: 1fr 1fr; }
  section { padding: 64px 0; }
  .hero { padding: 48px 0; }
}
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .grid { grid-template-columns: 1fr; }
  .dl-body { padding: 22px 16px; }
  .modules li { grid-template-columns: 24px 54px 1fr auto; font-size: 13.5px; padding: 9px 10px; }
  .viewer-tabs button { flex: 1 1 auto; padding: 10px 10px; }
  .lede { font-size: 16.5px; }
  .btn-lg { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .strip-track { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}