:root {
  --asphalt: #0b0b0c;
  --ink: #141416;
  --line: #2a2a2e;
  --paper: #f3f0ea;
  --muted: #9a9aa0;
  --red: #e2231a;
  --red-deep: #b5130d;

  --display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --body: "Barlow", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --max: 1320px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--asphalt);
  color: var(--paper);
  font: 400 1.0625rem/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); font-weight: 900; text-transform: uppercase; line-height: .88; letter-spacing: -.005em; margin: 0; }
h2 { font-size: clamp(3.2rem, 9vw, 7.5rem); }
h3 { font-size: 1.75rem; line-height: 1; letter-spacing: .01em; }
.mono { font-family: var(--mono); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; }
.red { color: var(--red); }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

/* Film grain overlay */
.grain {
  position: fixed; inset: 0; z-index: 100; pointer-events: none; opacity: .07; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Buttons ---------- */
.btn {
  --bg: var(--red); --fg: #fff;
  display: inline-flex; align-items: center; gap: .6rem;
  padding: 1rem 1.6rem; border: 0; cursor: pointer;
  background: var(--bg); color: var(--fg);
  font: 800 1.15rem/1 var(--display); text-transform: uppercase; letter-spacing: .06em; text-decoration: none;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  transition: transform .25s var(--ease), background .25s;
}
.btn:hover { background: var(--red-deep); transform: translateX(3px); }
.btn:active { transform: translateX(3px) scale(.98); }
.btn .arrow { display: inline-block; transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(5px); }
.btn-ghost { --bg: transparent; --fg: var(--paper); box-shadow: inset 0 0 0 1.5px var(--line); clip-path: none; }
.btn-ghost:hover { background: var(--ink); }
.btn-dark { --bg: var(--asphalt); }
.btn-dark:hover { background: #000; }
.btn-sm { padding: .7rem 1.1rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; padding: 1.2rem; font-size: 1.35rem; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem var(--pad);
  transition: background .3s, padding .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(11, 11, 12, .85); backdrop-filter: blur(10px); padding-block: .6rem; border-color: var(--line); }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.brand-mark { width: 44px; height: 28px; }
.brand-word { display: flex; flex-direction: column; font: 900 1.45rem/.8 var(--display); text-transform: uppercase; color: var(--red); }
.brand-word small { font-size: .62rem; letter-spacing: .3em; color: var(--paper); font-family: var(--mono); font-weight: 700; margin-bottom: .2rem; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a:not(.btn) { font: 600 .85rem/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; text-decoration: none; position: relative; }
.nav-links a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav-links a:not(.btn):hover::after { transform: scaleX(1); }
.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; position: relative; }
.nav-toggle span { position: absolute; left: 10px; right: 10px; height: 2px; background: var(--paper); transition: transform .3s var(--ease); }
.nav-toggle span:first-child { top: 17px; }
.nav-toggle span:last-child { top: 25px; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; max-width: var(--max); margin: 0 auto;
  min-height: 100svh; padding: 7.5rem var(--pad) 4rem;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 5rem); align-items: center;
}
.hero::before { /* diagonal racing stripe */
  content: ""; position: absolute; z-index: -1; top: -10%; bottom: -10%; right: 32%; width: 90px;
  background: linear-gradient(90deg, var(--red) 0 60%, transparent 60% 72%, var(--red) 72% 100%);
  opacity: .14; transform: skewX(-18deg);
}
.lights { display: flex; gap: .55rem; margin-bottom: 1.6rem; }
.lights i { width: 18px; height: 18px; border-radius: 50%; background: #2b0d0c; box-shadow: inset 0 0 0 2px #3a1513; transition: background .15s, box-shadow .15s; }
.lights i.on { background: var(--red); box-shadow: 0 0 18px 2px rgba(226, 35, 26, .75), inset 0 0 0 2px #ff6a5f; }
.eyebrow { font: 700 .78rem/1 var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin: 0 0 1.2rem; }
.hero-title { font-size: clamp(5.5rem, 17vw, 14.5rem); line-height: .8; }
.hero-title .line { display: block; overflow: hidden; padding-bottom: .04em; }
.hero-title .line > span { display: inline-block; }
.hero-title .red { color: var(--red); }
.hero-lede { max-width: 34rem; color: #cfcbc4; font-size: 1.15rem; margin: 1.8rem 0 2.2rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero-media { position: relative; margin: 0; }
.hero-frame { overflow: hidden; clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%, 0 12%); aspect-ratio: 3 / 4; background: var(--ink); }
.hero-frame img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 1.6s var(--ease); }
.is-loaded .hero-frame img { transform: scale(1); }
.hero-media figcaption { margin-top: .8rem; font: 500 .8rem/1.4 var(--mono); letter-spacing: .06em; color: var(--muted); text-transform: uppercase; }
.hero-media figcaption .mono { color: var(--red); margin-right: .5rem; font-weight: 700; }
.hero-tag {
  position: absolute; left: -2.2rem; bottom: 18%;
  display: flex; flex-direction: column; gap: .2rem;
  background: var(--paper); color: var(--asphalt); padding: .9rem 1.1rem; box-shadow: 8px 8px 0 var(--red);
  animation: bob 5s ease-in-out infinite;
}
.hero-tag span { font-size: .62rem; }
.hero-tag strong { font: 700 1.7rem/1 var(--mono); letter-spacing: 0; }
@keyframes bob { 50% { transform: translateY(-8px); } }

/* Load sequence */
.load { opacity: 0; transform: translateY(26px); }
.is-loaded .load { opacity: 1; transform: none; transition: opacity .8s var(--ease), transform .9s var(--ease); transition-delay: calc(var(--d) * 110ms); }
.hero-title .line.load { opacity: 1; transform: none; }
.hero-title .line.load > span { transform: translateY(105%); }
.is-loaded .hero-title .line.load > span { transform: none; transition: transform 1s var(--ease); transition-delay: calc(var(--d) * 120ms); }

/* ---------- Ticker ---------- */
.ticker { overflow: hidden; background: var(--red); color: #fff; transform: rotate(-1.6deg) scale(1.03); margin: 1rem 0 0; border-block: 3px solid var(--asphalt); }
.ticker-track { display: flex; width: max-content; animation: ticker 32s linear infinite; }
.ticker span, .ticker b { font: 900 clamp(1.4rem, 3vw, 2.2rem)/1 var(--display); text-transform: uppercase; padding: 1rem 1.2rem; white-space: nowrap; letter-spacing: .03em; }
.ticker b { color: var(--asphalt); padding-inline: .2rem; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- Section shared ---------- */
section { position: relative; }
.section-head { max-width: 44rem; }
.kicker { display: flex; align-items: center; gap: .8rem; color: var(--muted); margin: 0 0 1.4rem; }
.lap { background: var(--red); color: #fff; padding: .35rem .55rem; font-weight: 700; }
.lap-dark { background: var(--asphalt); }
.section-lede { color: #c4c0b9; font-size: 1.12rem; max-width: 36rem; margin: 1.6rem 0 0; }

/* ---------- Recap ---------- */
.recap { max-width: var(--max); margin: 0 auto; padding: clamp(6rem, 12vw, 10rem) var(--pad) clamp(4rem, 8vw, 7rem); }
.recap-grid {
  display: grid; gap: clamp(1rem, 2.5vw, 2rem); margin-top: clamp(3rem, 6vw, 5rem);
  grid-template-columns: 1fr 1.05fr .95fr; align-items: start;
}
.shot { margin: 0; position: relative; }
.shot img { width: 100%; object-fit: cover; filter: grayscale(.15) contrast(1.05); transition: filter .5s, transform .8s var(--ease); }
.shot { overflow: hidden; }
.shot:hover img { filter: none; transform: scale(1.03); }
.shot-sim img { aspect-ratio: 9 / 15; }
.shot-cockpit { margin-top: 5rem; }
.shot-cockpit img { aspect-ratio: 3 / 4; }
.shot figcaption {
  position: absolute; left: 0; bottom: 0; padding: .6rem .8rem;
  background: var(--asphalt); font: 500 .72rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase;
}
.shot figcaption .mono { color: var(--red); font-weight: 700; margin-right: .4rem; }
.recap-cards { display: grid; gap: 1rem; padding-top: 2.5rem; }
.card { position: relative; padding: 1.6rem 1.5rem 1.5rem; background: var(--ink); border-left: 3px solid var(--red); transition: transform .35s var(--ease), background .35s; }
.card:hover { transform: translateX(6px); background: #19191c; }
.card-num { position: absolute; top: 1rem; right: 1.2rem; color: var(--muted); }
.card p { color: #bdb9b2; margin: .7rem 0 0; font-size: 1rem; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); margin: clamp(3rem, 6vw, 5rem) 0 0; border-top: 1px solid var(--line); }
.stats > div { padding: 1.6rem 1.2rem 0 0; }
.stats > div + div { padding-left: 1.6rem; border-left: 1px solid var(--line); }
.stats dt { color: var(--muted); font-size: .7rem; }
.stats dd { margin: .5rem 0 0; font-size: clamp(2rem, 5vw, 3.6rem); font-weight: 700; letter-spacing: -.02em; color: var(--paper); }
.stats > div:first-child dd { color: var(--red); }

/* ---------- Checker band ---------- */
.checker-band {
  height: 48px;
  background: conic-gradient(var(--asphalt) 25%, var(--paper) 0 50%, var(--asphalt) 0 75%, var(--paper) 0) 0 0 / 48px 48px;
  animation: checker 3s linear infinite;
}
.checker-band.small { height: 24px; background-size: 24px 24px; }
@keyframes checker { to { background-position: 48px 0; } }

/* ---------- Next event ---------- */
.next { background: var(--red); color: #fff; overflow: hidden; }
.next::after { content: "02"; position: absolute; right: -2vw; bottom: -6vw; font: 900 clamp(14rem, 38vw, 34rem)/.8 var(--display); color: rgba(0, 0, 0, .1); pointer-events: none; }
.next-inner { position: relative; z-index: 1; max-width: var(--max); margin: 0 auto; padding: clamp(5rem, 10vw, 8rem) var(--pad); display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.next .kicker { color: rgba(255, 255, 255, .8); }
.next h2 { font-size: clamp(3.6rem, 10vw, 8.5rem); }
.outline { color: transparent; -webkit-text-stroke: 2px #fff; }
.next .section-lede { color: rgba(255, 255, 255, .9); }
.specs { list-style: none; padding: 0; margin: 2.4rem 0; display: grid; grid-template-columns: 1fr 1fr; border-top: 2px solid rgba(0, 0, 0, .25); }
.specs li { padding: 1rem 0; border-bottom: 2px solid rgba(0, 0, 0, .25); display: flex; flex-direction: column; gap: .3rem; }
.specs li:nth-child(odd) { padding-right: 1rem; }
.specs li:nth-child(even) { padding-left: 1rem; border-left: 2px solid rgba(0, 0, 0, .25); }
.specs span { font-size: .68rem; color: rgba(255, 255, 255, .75); }
.specs strong { font: 800 1.45rem/1 var(--display); text-transform: uppercase; letter-spacing: .02em; }

.track { position: relative; }
.track-svg { width: 100%; overflow: visible; }
.track-line { fill: none; stroke: var(--asphalt); stroke-width: 26; stroke-linejoin: round; }
.track-dash { fill: none; stroke: #fff; stroke-width: 2; stroke-dasharray: 10 12; opacity: .6; animation: dash 1.2s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -22; } }
.track-start rect { fill: url(#chk); }
.kart {
  fill: #fff; stroke: var(--asphalt); stroke-width: 3;
  offset-path: path("M70 250 C 20 250, 20 170, 70 165 L 170 160 C 210 158, 215 120, 185 100 C 150 78, 160 40, 210 40 L 320 45 C 375 48, 385 110, 345 125 C 300 142, 300 175, 345 190 C 385 205, 375 265, 320 262 Z");
  offset-rotate: 0deg;
  animation: lap 7s cubic-bezier(.45, .05, .55, .95) infinite;
}
@keyframes lap { from { offset-distance: 0%; } to { offset-distance: 100%; } }
.track-caption { margin: 1rem 0 0; text-align: center; color: rgba(255, 255, 255, .8); }

/* ---------- Signup ---------- */
.signup { padding: clamp(6rem, 12vw, 9rem) var(--pad); }
.signup-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.form { position: relative; background: var(--ink); padding: clamp(1.5rem, 3vw, 2.4rem); border-top: 4px solid var(--red); display: grid; gap: 1.3rem; }
.hp { position: absolute; left: -9999px; }
.field { display: grid; gap: .45rem; border: 0; padding: 0; margin: 0; min-width: 0; }
.field label, .field legend { font: 700 .7rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); padding: 0; margin-bottom: .45rem; }
.field em { font-style: normal; opacity: .7; }
.field input[type="text"], .field input[type="email"] {
  width: 100%; background: var(--asphalt); color: var(--paper); border: 1.5px solid var(--line);
  padding: .95rem 1rem; font: 500 1.05rem var(--body); border-radius: 0; transition: border-color .2s, box-shadow .2s;
}
.field input::placeholder { color: #5c5c62; }
.field input:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(226, 35, 26, .2); }
.field.invalid input { border-color: var(--red); }
.err { min-height: 0; font: 500 .8rem var(--mono); color: #ff6a5f; }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chips label { margin: 0; cursor: pointer; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span { display: inline-block; padding: .7rem 1rem; border: 1.5px solid var(--line); font: 800 1rem/1 var(--display); letter-spacing: .06em; color: var(--paper); text-transform: uppercase; transition: all .2s; }
.chips label:hover span { border-color: var(--muted); }
.chips input:checked + span { background: var(--paper); color: var(--asphalt); border-color: var(--paper); }
.chips input:focus-visible + span { outline: 2px solid var(--red); outline-offset: 2px; }
.form-status { margin: 0; font: 500 .85rem var(--mono); color: #ff6a5f; min-height: 1em; }
.form-success { position: absolute; inset: 0; background: var(--ink); display: grid; place-content: center; text-align: center; padding: 2rem; animation: pop .6s var(--ease); }
.form-success[hidden] { display: none; }
.form-success h3 { font-size: 2.6rem; margin-top: 1.2rem; }
.form-success p { color: #bdb9b2; }
.flag-wave {
  width: 120px; height: 72px; margin: 0 auto;
  background: conic-gradient(var(--asphalt) 25%, var(--paper) 0 50%, var(--asphalt) 0 75%, var(--paper) 0) 0 0 / 24px 24px;
  animation: wave 1.2s ease-in-out infinite alternate; transform-origin: left center;
}
@keyframes wave { from { transform: skewY(-6deg) scaleX(.94); } to { transform: skewY(6deg) scaleX(1); } }
@keyframes pop { from { opacity: 0; transform: scale(.96); } }

/* ---------- About ---------- */
.about { border-top: 1px solid var(--line); }
.about-inner { max-width: var(--max); margin: 0 auto; padding: clamp(5rem, 10vw, 8rem) var(--pad); display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 5vw, 5rem); }
.about-cols { display: grid; gap: 2rem; grid-template-columns: repeat(3, 1fr); align-self: end; }
.about-cols p { color: #bdb9b2; margin: .8rem 0 0; }

/* ---------- Footer ---------- */
.footer-inner { max-width: var(--max); margin: 0 auto; padding: 2.4rem var(--pad); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2rem; color: var(--muted); }
.footer-inner p { margin: 0; }
.to-top { text-decoration: none; }
.to-top:hover { color: var(--red); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--rd, 0ms); }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal, .no-js .load { opacity: 1; transform: none; }
.no-js .hero-title .line > span { transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .recap-grid { grid-template-columns: 1fr 1fr; }
  .recap-cards { grid-column: 1 / -1; grid-row: 1; grid-template-columns: repeat(3, 1fr); padding-top: 0; }
  .shot-cockpit { margin-top: 3rem; }
  .about-inner { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; z-index: 2; }
  .nav.scrolled { backdrop-filter: none; background: rgba(11, 11, 12, .96); }
  .nav-links {
    position: fixed; inset: 0; flex-direction: column; justify-content: center; gap: 2.2rem;
    background: var(--asphalt); transform: translateY(-100%); transition: transform .5s var(--ease);
  }
  .nav-links.open { transform: none; }
  .nav-links a:not(.btn) { font: 900 2.6rem/1 var(--display); }
  .hero { grid-template-columns: 1fr; min-height: 0; padding-top: 6.5rem; }
  .hero::before { right: 10%; }
  .hero-media { max-width: 520px; }
  .hero-tag { left: auto; right: -.5rem; bottom: 12%; }
  .next-inner, .signup-inner { grid-template-columns: 1fr; }
  .track { max-width: 480px; }
}
@media (max-width: 760px) {
  .recap-cards { grid-template-columns: 1fr; }
  .recap-grid { grid-template-columns: 1fr 1fr; }
  .shot-cockpit { margin-top: 2rem; }
  .stats { grid-template-columns: 1fr; }
  .stats > div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); margin-top: 1.4rem; }
  .about-cols { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .recap-grid { grid-template-columns: 1fr; }
  .shot-cockpit { margin-top: 0; }
  .specs { grid-template-columns: 1fr; }
  .specs li:nth-child(even) { padding-left: 0; border-left: 0; }
  .hero-cta .btn { flex: 1 1 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal, .load { opacity: 1; transform: none; }
  .hero-title .line > span, .hero-frame img { transform: none !important; }
  .kart { offset-distance: 30%; }
}