/* Wheelbase marketing site. Orange + black, hot-rod cartoon energy. No web fonts, no trackers. */
:root {
  --orange: #ff6a00;
  --orange-hot: #ff8a1f;
  --orange-text: #b8430a;     /* orange that passes AA on white */
  --flame: #ffc21a;
  --black: #0d0d0d;
  --ink: #1b1b1b;
  --ink-2: #4a4a4a;
  --paper: #ffffff;
  --cream: #f6f2ec;
  --line: #e4ddd3;
  --radius: 10px;
  --max: 1120px;
  --display: "Arial Black", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 var(--body);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--orange-text); text-underline-offset: 3px; }
a:hover { color: var(--black); }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 10; background: var(--orange); color: var(--black); padding: 8px 14px; }

/* ---------- Header ---------- */
.site-head {
  background: var(--black);
  color: #fff;
  border-bottom: 4px solid var(--orange);
  position: sticky; top: 0; z-index: 5;
}
.site-head .wrap { display: flex; align-items: center; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand {
  font: italic 900 24px/1 var(--display);
  color: #fff; text-decoration: none; letter-spacing: -0.02em;
  display: inline-flex; align-items: baseline; gap: 0;
}
.brand b { color: var(--orange); font-weight: 900; text-transform: uppercase; }
.brand:hover { color: #fff; }
.nav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  color: #ddd; text-decoration: none; font-weight: 600; font-size: 15px;
  padding: 8px 12px; border-radius: 6px;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--black); background: var(--orange); }
@media (max-width: 560px) {
  .site-head { position: static; }
  .site-head .wrap { padding-top: 10px; padding-bottom: 10px; }
  .nav { margin-left: -12px; width: 100%; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font: italic 900 17px/1 var(--display); text-transform: uppercase; letter-spacing: 0.01em;
  padding: 16px 24px; border-radius: 8px; text-decoration: none;
  border: 3px solid var(--black);
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn-hot { background: var(--orange); color: var(--black); box-shadow: 5px 5px 0 var(--black); }
.btn-hot:hover { color: var(--black); transform: translate(-2px, -2px); box-shadow: 7px 7px 0 var(--black); }
.btn-ghost { background: transparent; color: #fff; border-color: #fff; }
.btn-ghost:hover { color: var(--black); background: #fff; }

/* ---------- Hero ---------- */
.hero {
  background: var(--black);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 48px 0 0;
}
.hero::before { /* speed lines */
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(-8deg, transparent 0 46px, rgba(255,106,0,.07) 46px 49px);
  pointer-events: none;
}
.hero .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; align-items: center; }
.hero .wrap > *, .split > * { min-width: 0; }
@media (min-width: 900px) { .hero .wrap { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); } }
.hero-logo { background: #fff; border: 4px solid var(--orange); border-radius: 14px; padding: 10px; transform: rotate(-2deg); box-shadow: 8px 8px 0 var(--orange); width: 100%; max-width: min(560px, calc(100% - 10px)); }
.hero h1 {
  font: italic 900 clamp(38px, 6.4vw, 72px)/0.98 var(--display);
  text-transform: uppercase; letter-spacing: -0.03em; margin: 28px 0 16px;
}
.hero h1 span { color: var(--orange); display: block; }
.hero p.lede { font-size: 19px; color: #d6d6d6; max-width: 34em; margin: 0 0 28px; }
.hero .ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.hero .fine { font-size: 14px; color: #9a9a9a; }
.hero-shot {
  border: 4px solid var(--orange); border-radius: 12px; overflow: hidden;
  transform: rotate(1.5deg) translateY(24px);
  box-shadow: -10px 10px 0 rgba(255,106,0,.35);
  background: #fff;
}
.stripe {
  height: 22px; background: var(--orange);
  clip-path: polygon(0 40%, 100% 0, 100% 100%, 0 100%);
  margin-top: 40px;
}

/* ---------- Sections ---------- */
section { padding: 72px 0; }
.kicker {
  font: italic 900 14px/1 var(--display); text-transform: uppercase; letter-spacing: .12em;
  color: var(--orange-text); margin: 0 0 10px;
}
h2 {
  font: italic 900 clamp(30px, 4.4vw, 46px)/1.02 var(--display);
  text-transform: uppercase; letter-spacing: -0.02em; margin: 0 0 18px;
}
h3 { font: 800 21px/1.25 var(--body); margin: 0 0 8px; }

/* ---------- Demo video ---------- */
.demo { padding-top: 88px; }
.demo-lede { color: var(--ink-2); max-width: 40em; margin: 0 0 28px; }
.demo-player {
  border: 4px solid var(--black); border-radius: 12px; overflow: hidden;
  box-shadow: 10px 10px 0 var(--orange); background: var(--black);
}
.demo-player video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; }
.chapters {
  list-style: none; padding: 0; margin: 28px 0 0;
  display: grid; gap: 10px; grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 720px) { .chapters { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .chapters { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.chapters a {
  display: block; height: 100%; padding: 10px 12px; border: 2px solid var(--black); border-radius: 8px;
  color: var(--ink); text-decoration: none; font-weight: 700; font-size: 15px; line-height: 1.3; background: #fff;
}
.chapters a:hover { background: var(--orange); color: var(--black); }
.chapters time { display: block; font: italic 900 13px/1 var(--display); color: var(--orange-text); margin-bottom: 6px; }
.chapters a:hover time { color: var(--black); }

.features { display: grid; gap: 18px; margin-top: 36px; }
@media (min-width: 720px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .features { grid-template-columns: repeat(3, 1fr); } }
.feature {
  border: 3px solid var(--black); border-radius: var(--radius); padding: 22px 22px 20px;
  background: #fff; box-shadow: 5px 5px 0 var(--orange);
}
.feature .tag {
  display: inline-block; font: italic 900 12px/1 var(--display); text-transform: uppercase;
  background: var(--black); color: var(--orange); padding: 6px 9px; border-radius: 4px; margin-bottom: 12px;
}
.feature p { margin: 0; color: var(--ink-2); }

.split { display: grid; gap: 36px; align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; } .split.flip > :first-child { order: 2; } }
.shot { border: 3px solid var(--black); border-radius: 12px; overflow: hidden; box-shadow: 8px 8px 0 var(--black); background: #fff; }
.checks { list-style: none; padding: 0; margin: 18px 0 0; }
.checks li { padding-left: 34px; position: relative; margin: 10px 0; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--orange); border: 3px solid var(--black);
}

.band-dark { background: var(--black); color: #fff; }
.band-dark .kicker { color: var(--orange); }
.band-cream { background: var(--cream); }

.platforms { display: grid; gap: 14px; margin-top: 28px; }
@media (min-width: 720px) { .platforms { grid-template-columns: repeat(3, 1fr); } }
.platform { border: 2px solid #333; border-radius: var(--radius); padding: 20px; }
.platform strong { display: block; font: italic 900 20px/1.1 var(--display); text-transform: uppercase; color: var(--orange); margin-bottom: 6px; }
.platform span { color: #bbb; font-size: 15px; }

/* ---------- Document pages (legal, support) ---------- */
.page-head { background: var(--black); color: #fff; padding: 44px 0 36px; border-bottom: 6px solid var(--orange); }
.page-head h1 {
  font: italic 900 clamp(32px, 5vw, 52px)/1 var(--display); text-transform: uppercase;
  letter-spacing: -0.02em; margin: 0 0 10px;
}
.page-head p { margin: 0; color: #bdbdbd; }
.doc { padding: 44px 0 72px; }
.doc .wrap { display: grid; gap: 40px; }
@media (min-width: 960px) { .doc .wrap { grid-template-columns: 240px minmax(0, 1fr); } }
.toc { font-size: 15px; }
.toc nav { position: sticky; top: 88px; border-left: 4px solid var(--orange); padding-left: 16px; }
.toc strong { font: italic 900 13px/1 var(--display); text-transform: uppercase; letter-spacing: .1em; display: block; margin-bottom: 10px; }
.toc a { display: block; color: var(--ink-2); text-decoration: none; padding: 4px 0; }
.toc a:hover { color: var(--orange-text); }
@media (max-width: 959px) { .toc { display: none; } }
.prose { max-width: 46em; }
.prose h2 { font-size: 26px; margin: 44px 0 12px; scroll-margin-top: 90px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 26px; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: 6px 0; }
.prose table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 16px 0; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--cream); }
.callout {
  border: 3px solid var(--black); border-left-width: 10px; border-left-color: var(--orange);
  border-radius: var(--radius); padding: 16px 20px; background: #fff8f1; margin: 20px 0;
}
.callout p { margin: 0; }
.steps { counter-reset: s; list-style: none; padding: 0 !important; }
.steps li { counter-increment: s; position: relative; padding-left: 50px; margin: 16px 0; min-height: 36px; }
.steps li::before {
  content: counter(s); position: absolute; left: 0; top: -2px; width: 34px; height: 34px; border-radius: 50%;
  background: var(--orange); border: 3px solid var(--black); font: italic 900 16px/28px var(--display); text-align: center;
}
details { border: 2px solid var(--line); border-radius: var(--radius); padding: 14px 18px; margin: 12px 0; background: #fff; }
details[open] { border-color: var(--black); }
summary { cursor: pointer; font-weight: 700; }
details p { margin: 10px 0 0; }

/* ---------- Footer ---------- */
.site-foot { background: var(--black); color: #aaa; padding: 48px 0 32px; font-size: 15px; border-top: 6px solid var(--orange); }
.site-foot .cols { display: grid; gap: 28px; }
@media (min-width: 720px) { .site-foot .cols { grid-template-columns: 1.4fr 1fr 1fr; } }
.site-foot h4 { color: #fff; font: italic 900 14px/1 var(--display); text-transform: uppercase; letter-spacing: .08em; margin: 0 0 12px; }
.site-foot a { color: #ddd; text-decoration: none; display: block; padding: 3px 0; }
.site-foot a:hover { color: var(--orange); }
.site-foot .legal { border-top: 1px solid #2a2a2a; margin-top: 32px; padding-top: 20px; font-size: 13px; color: #888; }