/* World of Kartcraft: a night race through Azeroth. Dark only: the karts' flames and the turbo
   meter's green-to-red are the colour, everything else stays out of their way. */
@font-face { font-family: "Bungee"; src: url(/fonts/bungee.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "Barlow"; font-weight: 400; src: url(/fonts/barlow-400.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "Barlow"; font-weight: 600; src: url(/fonts/barlow-600.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "Barlow Condensed"; font-weight: 600; src: url(/fonts/barlow-condensed-600.woff2) format("woff2"); font-display: swap; }

:root {
  color-scheme: dark;
  --night: #0f0b16;
  --panel: #1a1424;
  --raise: #241c32;
  --ink: #f2edf8;
  --dim: #aea3c0;
  --line: #352a48;
  --wumpa: #ff8a1f;
  --turbo: #ffd23f;
  --go: #4fd06b;
  --red: #ff3d3d;
  --display: "Bungee", Impact, "Arial Black", sans-serif;
  --body: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
  --label: "Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
  --wrap: 1120px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--night); color: var(--ink);
  font: 400 1.0625rem/1.6 var(--body);
}
a { color: var(--wumpa); text-underline-offset: 3px; }
a:hover { color: var(--turbo); }
:focus-visible { outline: 2px solid var(--turbo); outline-offset: 3px; border-radius: 4px; }
img, video { max-width: 100%; height: auto; display: block; }
code, kbd {
  font: 0.92em var(--mono); background: var(--raise); border: 1px solid var(--line);
  border-radius: 5px; padding: 0.05em 0.4em; white-space: nowrap;
}
kbd { border-bottom-width: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 20px; }

/* ── Header ── */
.top {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10;
  background: color-mix(in srgb, var(--night) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 12px 24px; flex-wrap: wrap; padding-block: 12px; }
.brand {
  font: 1.05rem/1 var(--display); color: var(--ink); text-decoration: none; letter-spacing: 0.01em;
  margin-right: auto;
}
.brand span { color: var(--wumpa); }
.nav { display: flex; align-items: center; gap: 4px 18px; flex-wrap: wrap; }
.nav a {
  color: var(--dim); text-decoration: none; font: 600 1rem var(--label);
  text-transform: uppercase; letter-spacing: 0.06em;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a.btn { color: #1b0f02; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5em; padding: 0.7em 1.2em; border-radius: 8px;
  background: var(--wumpa); color: #1b0f02; text-decoration: none; border: 0; cursor: pointer;
  font: 600 1.05rem/1.1 var(--label); text-transform: uppercase; letter-spacing: 0.06em;
}
.btn:hover { background: var(--turbo); color: #1b0f02; }
.btn.ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 2px var(--line); }
.btn.ghost:hover { box-shadow: inset 0 0 0 2px var(--wumpa); color: var(--ink); }
.btn small { font: 400 0.85rem var(--body); text-transform: none; letter-spacing: 0; opacity: 0.75; }
.nav .btn { padding: 0.45em 0.9em; font-size: 0.95rem; }

/* ── Type ── */
h1, h2, h3 { line-height: 1.1; text-wrap: balance; margin: 0; }
h1 { font: 400 clamp(2.4rem, 7vw, 4.6rem)/0.98 var(--display); letter-spacing: -0.01em; }
h2 { font: 400 clamp(1.6rem, 3.6vw, 2.3rem)/1.05 var(--display); }
h3 { font: 600 1.35rem/1.2 var(--label); text-transform: uppercase; letter-spacing: 0.04em; }
.eyebrow {
  font: 600 0.95rem var(--label); text-transform: uppercase; letter-spacing: 0.14em; color: var(--wumpa);
}
.lede { font-size: 1.2rem; color: var(--dim); max-width: 60ch; }
p { margin: 0; }
.prose { display: grid; gap: 1em; max-width: 68ch; }
.prose ul, .prose ol { margin: 0; padding-left: 1.3em; display: grid; gap: 0.4em; }
.muted { color: var(--dim); }

/* The turbo meter: CTR's green-to-red bar, the site's one recurring mark. */
.meter {
  height: 8px; border-radius: 4px; width: 100%;
  background: linear-gradient(90deg, var(--go) 0 52%, var(--turbo) 52% 78%, var(--red) 78% 100%);
}

/* ── Sections ── */
section { padding-block: clamp(48px, 8vw, 88px); }
section + section { border-top: 1px solid var(--line); }
.head { display: grid; gap: 10px; margin-bottom: 32px; max-width: 70ch; }

/* ── Home hero ── */
.hero { padding-block: clamp(40px, 7vw, 72px) 0; border: 0; }
.hero .wrap { display: grid; gap: 22px; }
.hero h1 span { color: var(--wumpa); display: block; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.need { font-size: 0.95rem; color: var(--dim); }
.band {
  margin-top: clamp(28px, 5vw, 48px); position: relative; background: #000;
  border-block: 1px solid var(--line);
}
.band video, .band img { width: 100%; aspect-ratio: 2.35 / 1; object-fit: cover; }
.band .meter { position: absolute; left: 0; right: 0; bottom: -1px; border-radius: 0; height: 4px; }

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
}
.stats div { background: var(--panel); padding: 18px 20px; display: grid; gap: 2px; }
.stats b { font: 400 2rem/1 var(--display); color: var(--turbo); font-variant-numeric: tabular-nums; }
.stats span { font: 600 0.95rem var(--label); text-transform: uppercase; letter-spacing: 0.08em; color: var(--dim); }

/* Three steps in order: account, download, play. */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { display: grid; gap: 10px; align-content: start; padding-top: 18px; border-top: 3px solid var(--line); }
.steps li::before {
  counter-increment: step; content: counter(step);
  font: 400 2.2rem/1 var(--display); color: var(--wumpa);
}
.steps li:nth-child(3) { border-top-color: var(--wumpa); }

.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 32px; }
.feature { display: grid; gap: 12px; align-content: start; }
.feature img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); }
.feature p { color: var(--dim); }

.video {
  position: relative; display: block; width: 100%; aspect-ratio: 16 / 9; border-radius: 12px;
  overflow: hidden; border: 1px solid var(--line); background: #000; padding: 0; cursor: pointer;
}
.video img { width: 100%; height: 100%; object-fit: cover; opacity: 0.75; transition: opacity 0.2s; }
.video:hover img { opacity: 0.95; }
.video .play {
  position: absolute; inset: 0; margin: auto; width: 84px; height: 84px; border-radius: 50%;
  background: var(--wumpa); display: grid; place-items: center;
}
.video .play::after {
  content: ""; margin-left: 6px; border-style: solid; border-width: 16px 0 16px 26px;
  border-color: transparent transparent transparent #1b0f02;
}
.video iframe { width: 100%; height: 100%; border: 0; }

/* ── Doc pages ── */
.page-head { padding-block: clamp(40px, 6vw, 64px) 32px; border-bottom: 1px solid var(--line); }
.page-head .wrap { display: grid; gap: 14px; }
.doc { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 48px; padding-block: 40px 80px; }
.toc { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 80px); align-self: start; display: grid; gap: 6px; }
.toc a { color: var(--dim); text-decoration: none; font: 600 1rem var(--label); text-transform: uppercase; letter-spacing: 0.05em; }
.toc a:hover { color: var(--ink); }
.doc article { display: grid; gap: 56px; min-width: 0; }
.doc article > div { display: grid; gap: 16px; scroll-margin-top: 90px; }
.doc h2 { font-size: clamp(1.5rem, 3vw, 1.9rem); }

.note {
  border-left: 3px solid var(--turbo); background: var(--panel); padding: 14px 18px; border-radius: 0 8px 8px 0;
  max-width: 68ch;
}
.note.warn { border-left-color: var(--wumpa); }

.table { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
th { font: 600 0.95rem var(--label); text-transform: uppercase; letter-spacing: 0.06em; color: var(--dim); background: var(--panel); }
td:first-child { font-weight: 600; white-space: nowrap; }
.pad { font-family: var(--body); font-weight: 600; }
.x { color: #7aa7ff; } .sq { color: #f08cd6; } .o { color: #ff6b6b; }

/* The powerslide window, drawn: boost in the red. */
.slide { display: grid; gap: 8px; max-width: 520px; }
.slide .meter { height: 14px; border-radius: 7px; }
.slide .marks { display: grid; grid-template-columns: 52fr 26fr 22fr; font: 600 0.85rem var(--label); text-transform: uppercase; letter-spacing: 0.06em; }
.slide .marks span:nth-child(1) { color: var(--go); }
.slide .marks span:nth-child(2) { color: var(--turbo); }
.slide .marks span:nth-child(3) { color: var(--red); text-align: right; }

.faq { display: grid; gap: 10px; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details[open] summary { margin-bottom: 10px; }
.faq details > p, .faq details > ul { color: var(--dim); max-width: 68ch; }

/* ── Footer ── */
footer { border-top: 1px solid var(--line); padding-block: 36px; color: var(--dim); font-size: 0.92rem; }
footer .wrap { display: grid; gap: 10px; }
footer nav { display: flex; flex-wrap: wrap; gap: 6px 20px; }
footer nav a { color: var(--dim); }

/* ── Sign-up card (the Flask page) ── */
.signup { display: grid; place-items: center; padding-block: clamp(32px, 6vw, 64px); }
.card { width: 100%; max-width: 420px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 28px 24px; display: grid; gap: 4px; }
.card h1 { font-size: 1.6rem; }
.card p { color: var(--dim); font-size: 0.97rem; margin-bottom: 10px; }
.card label { font: 600 0.95rem var(--label); text-transform: uppercase; letter-spacing: 0.05em; color: var(--dim); margin: 12px 0 4px; }
.card input {
  width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--night); color: var(--ink); font: inherit;
}
.card input:focus { outline: 2px solid var(--wumpa); outline-offset: 1px; }
.card .captcha { width: 100%; height: auto; border-radius: 8px; background: #fff; }
.card .btn { justify-content: center; margin-top: 20px; width: 100%; }
.card small { display: block; margin-top: 16px; color: var(--dim); font-size: 0.85rem; }
.msg { padding: 10px 12px; border-radius: 8px; margin-bottom: 10px; font-size: 0.95rem; }
.msg.bad { background: #3a1c22; color: #ff8b8b; }
.msg.good { background: #173022; color: #7de29c; }
.next { display: grid; gap: 10px; margin-top: 8px; }

@media (max-width: 860px) {
  .doc { grid-template-columns: 1fr; gap: 24px; }
  .toc { position: static; display: flex; flex-wrap: wrap; gap: 6px 16px; }
  .features { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; }
  .band video, .band img { aspect-ratio: 16 / 9; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}