/* Layout: race-day check-in. Gate is a two-column registration desk; the quiz is one question per screen; the result is a race bib plus the plan sheet. */
:root{
  --paper:#f6f4f1; --card:#ffffff; --ink:#17171a; --muted:#5d5b60; --line:#dedad5;
  --red:#e01e2e; --red-ink:#ffffff; --red-soft:#fbe4e6; --proto:#fff6d6; --proto-ink:#5b4600;
  --display:"Source Serif 4", Georgia, "Times New Roman", serif;
  --body:"Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
  --label:"Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#141416; --card:#1d1d21; --ink:#f1efec; --muted:#a9a6ab; --line:#33333a;
  --red:#f0434f; --red-ink:#ffffff; --red-soft:#3a1a1d; --proto:#2e2812; --proto-ink:#f0d98a; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#141416; --card:#1d1d21; --ink:#f1efec; --muted:#a9a6ab; --line:#33333a;
  --red:#f0434f; --red-ink:#ffffff; --red-soft:#3a1a1d; --proto:#2e2812; --proto-ink:#f0d98a; color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55}
.wrap{max-width:1080px;margin:0 auto;padding-inline:20px;padding-block:0 56px}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;line-height:1.08}
.kicker{font-family:var(--label);text-transform:uppercase;letter-spacing:.14em;font-weight:700;font-size:14px;color:var(--red)}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--red);outline-offset:3px}

/* prototype bar */
.proto{background:var(--proto);color:var(--proto-ink);font-size:14px;padding-block:10px;padding-inline:20px}
.proto .in{max-width:1080px;margin:0 auto;display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}
.proto b{font-family:var(--label);letter-spacing:.1em;text-transform:uppercase}
.proto select,.proto button{font-size:14px;padding:4px 8px;border-radius:6px;border:1px solid currentColor;background:transparent;color:inherit}

/* brand bar */
.brand{background:var(--red);color:var(--red-ink);padding-block:18px;padding-inline:20px;text-align:center}
.brand span{font-family:var(--label);font-weight:800;letter-spacing:.22em;text-transform:uppercase;font-size:18px}

/* gate */
.gate{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-block:64px 24px}
.gate > *{min-width:0}
.gate h1{font-size:clamp(44px,6.4vw,76px);font-weight:700;letter-spacing:-.01em}
.gate h1 em{color:var(--red);font-style:italic}
.count{font-family:var(--display);font-weight:600;font-size:clamp(21px,2.4vw,26px);margin-top:22px;display:flex;align-items:center;gap:10px}
.pulse{width:10px;height:10px;border-radius:50%;background:var(--red);flex:none;animation:p 1.8s ease-out infinite}
@keyframes p{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--red) 55%,transparent)}100%{box-shadow:0 0 0 12px transparent}}
.lede{color:var(--muted);max-width:52ch;margin:14px 0 0}
.checks{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:10px}
.checks li{display:flex;gap:12px;align-items:center;font-size:18px}
.checks li::before{content:"";width:18px;height:10px;border-left:3px solid var(--red);border-bottom:3px solid var(--red);transform:rotate(-45deg) translateY(-3px);flex:none}
.desk{background:var(--card);border:1px solid var(--line);border-top:6px solid var(--red);border-radius:14px;padding:28px}
.desk h2{font-size:24px;margin-bottom:18px}
.field{display:grid;gap:6px;margin-bottom:14px}
.field label{font-family:var(--label);text-transform:uppercase;letter-spacing:.1em;font-weight:600;font-size:13px;color:var(--muted)}
.field input{font:inherit;padding:13px 14px;border-radius:8px;border:1px solid var(--line);background:var(--paper);color:var(--ink)}
.consent{font-size:13px;color:var(--muted);margin:4px 0 18px}
.go{width:100%;background:var(--red);color:var(--red-ink);border:0;border-radius:10px;padding:16px;font-family:var(--label);font-weight:700;font-size:20px;letter-spacing:.12em;text-transform:uppercase}
.go:hover{filter:brightness(1.07)}
.err{color:var(--red);font-size:14px;min-height:20px;margin-top:8px}

/* quiz */
.quiz{max-width:720px;margin:0 auto;padding-block:56px 24px}
.bar{height:6px;background:var(--line);border-radius:6px;overflow:hidden;margin:14px 0 40px}
.bar i{display:block;height:100%;background:var(--red);transition:width .3s ease}
.quiz h2{font-size:clamp(28px,4vw,40px);margin-bottom:28px}
.opts{display:grid;gap:12px}
.opt{text-align:left;background:var(--card);color:var(--ink);border:1.5px solid var(--line);border-radius:12px;padding:16px 18px;font-size:17px;line-height:1.4;transition:border-color .15s, transform .15s}
.opt:hover{border-color:var(--red);transform:translateX(3px)}
.back{background:none;border:0;color:var(--muted);margin-top:24px;padding:4px 0;font-size:15px}
.opt.sel{border-color:var(--red);background:var(--red-soft)}
.next{margin-top:18px;width:auto;padding-inline:32px}
.hint{color:var(--muted);font-size:15px;margin:-14px 0 20px}
/* the pause before the result */
.crunch{max-width:640px;margin:0 auto;padding-block:72px 24px;text-align:center}
.clock{font-family:var(--label);font-weight:800;font-size:clamp(120px,22vw,180px);line-height:1;color:var(--red);font-variant-numeric:tabular-nums}
.crunch h2{font-size:clamp(26px,3.6vw,34px);margin:18px 0 12px}
.leg{font-family:var(--label);text-transform:uppercase;letter-spacing:.14em;font-weight:700;color:var(--muted);margin-top:18px;min-height:1.5em}
.legs{display:flex;justify-content:center;gap:8px;margin-top:14px}
.legs i{width:56px;height:6px;border-radius:6px;background:var(--line);transition:background .3s}
.legs i.on{background:var(--red)}
.skip{background:none;border:0;color:var(--muted);text-decoration:underline;margin-top:28px;font-size:14px}

/* result */
.result{padding-block:48px 0;display:grid;gap:40px}
.top{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:40px;align-items:start}
.bib{background:#fff;color:#111;border-radius:10px;padding:18px 18px 22px;position:relative;box-shadow:0 18px 40px -22px rgba(0,0,0,.45);transform:rotate(-2deg);border:1px solid #e3e0dc}
.bib::before,.bib::after{content:"";position:absolute;top:12px;width:12px;height:12px;border-radius:50%;background:var(--paper);border:1px solid #cfcac4}
.bib::before{left:12px}.bib::after{right:12px}
.bib .hdr{background:#e01e2e;color:#fff;text-align:center;font-family:var(--label);font-weight:700;letter-spacing:.2em;font-size:13px;padding:6px;border-radius:4px;margin:14px 6px 10px}
.bib .num{font-family:var(--label);font-weight:800;font-size:92px;line-height:1;text-align:center;letter-spacing:.02em;font-variant-numeric:tabular-nums}
.bib .arch{font-family:var(--display);font-weight:700;font-size:30px;text-align:center;margin-top:4px}
.bib .plan{font-family:var(--label);text-transform:uppercase;letter-spacing:.14em;font-weight:600;text-align:center;font-size:14px;color:#555;margin-top:6px}
.top h1{font-size:clamp(38px,5vw,58px);margin:8px 0 18px}
.top h1 em{color:var(--red)}
.story p{margin:0 0 14px;max-width:62ch}
.story .why{border-left:4px solid var(--red);padding-left:16px}
.sheet{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}
.panel h3{font-size:24px;margin:6px 0 10px}
.panel p{margin:0 0 10px}
.score{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:14px}
.score div{border:2px dashed var(--line);border-radius:10px;padding:10px 6px 22px;text-align:center}
.score small{font-family:var(--label);text-transform:uppercase;letter-spacing:.12em;font-weight:700;color:var(--muted);font-size:12px}
.score div:first-child{border-color:var(--red);border-style:solid}
.cta{background:var(--ink);color:var(--paper);border-radius:16px;padding:32px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px 32px;align-items:center}
.cta h2{font-size:clamp(28px,3.6vw,38px)}
.cta p{margin:8px 0 0;opacity:.85;max-width:60ch}
.cta .go{width:auto;padding-inline:28px;white-space:nowrap}
.reply{font-size:16px;color:var(--muted);max-width:66ch}
.reply strong{color:var(--ink)}

@media (max-width:820px){
  .gate,.top,.sheet,.cta{grid-template-columns:1fr}
  .gate{padding-block:40px 16px;gap:32px}
  .bib{max-width:320px;margin:0 auto}
  .cta .go{width:100%}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.bib{transform:none}}

[hidden]{display:none!important}
img{max-width:100%}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.go[aria-disabled="true"]{opacity:.55;cursor:default;filter:none}
a.go{display:block;text-align:center;text-decoration:none}
.foot{color:var(--muted);font-size:13px;text-align:center;padding-block:32px 0}

/* result page: check-your-email callout */
.inbox{display:grid;grid-template-columns:auto minmax(0,1fr);gap:20px;align-items:start;background:var(--red-soft);border:2px solid var(--red);border-radius:14px;padding:22px 24px}
.inbox h3{font-size:clamp(22px,2.6vw,28px);margin:6px 0 8px}
.inbox p{margin:0;max-width:68ch}
.env{width:54px;height:38px;border:3px solid var(--red);border-radius:6px;position:relative;margin-top:4px;background:var(--card)}
.env{overflow:hidden}
.env::before{content:"";position:absolute;left:-3px;top:-3px;width:0;height:0;border-left:30px solid transparent;border-right:30px solid transparent;border-top:22px solid var(--red)}
@media (max-width:520px){.inbox{grid-template-columns:1fr}.env{display:none}}