:root {
  --paper: #f3efdf;
  --paper-deep: #e6dfca;
  --ink: #171713;
  --muted: #686559;
  --orange: #fa5a31;
  --orange-dark: #dd3f1d;
  --purple: #4f2b83;
  --purple-light: #c9b1eb;
  --line: rgba(23, 23, 19, 0.2);
  --max: 1380px;
  --sans: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --display: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 1000; transform: translateY(-150%); background: #fff; padding: 10px 14px; }
.skip-link:focus { transform: translateY(0); }

.section-shell { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.section-pad { padding-block: clamp(88px, 10vw, 154px); }

.site-header {
  position: fixed;
  z-index: 100;
  top: 18px;
  left: 50%;
  width: min(calc(100% - 34px), var(--max));
  min-height: 72px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 10px 16px;
  border: 1px solid rgba(23,23,19,.18);
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(16px);
  transition: box-shadow .25s ease, top .25s ease;
}
.site-header.is-scrolled { top: 8px; box-shadow: 0 14px 44px rgba(23,23,19,.12); }
.brand { display: inline-flex; gap: 11px; align-items: center; font-family: var(--display); font-size: 18px; line-height: .9; letter-spacing: .04em; text-decoration: none; text-transform: uppercase; }
.brand img { width: 45px; height: 45px; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav > a { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.site-nav > a:not(.button):hover { color: var(--orange-dark); }
.nav-toggle { display: none; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 52px; padding: 0 20px; border: 1px solid var(--ink); font-size: 13px; font-weight: 800; letter-spacing: .07em; text-decoration: none; text-transform: uppercase; transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease; }
.button:hover { transform: translate(-3px,-3px); box-shadow: 5px 5px 0 var(--ink); }
.button-primary { background: var(--orange); }
.button-dark { color: var(--paper); background: var(--ink); }
.button-light { color: var(--ink); background: var(--paper); }
.button-small { min-height: 44px; padding-inline: 17px; }
.text-link { display: inline-flex; gap: 8px; align-items: center; padding-block: 5px; border-bottom: 1px solid currentColor; font-size: 13px; font-weight: 800; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }
.text-link:hover { color: var(--orange-dark); }

.hero { min-height: 820px; padding-top: 150px; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 10px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 24px; font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow > span { width: 30px; height: 5px; background: repeating-linear-gradient(90deg,var(--ink) 0 5px,transparent 5px 10px); }
.hero h1, .mission h2, .cause h2, .team h2, .sponsor h2 { margin: 0; font-family: var(--display); font-weight: 900; line-height: .86; letter-spacing: -.025em; text-transform: uppercase; }
.hero h1 { max-width: 700px; font-size: clamp(66px, 8.5vw, 128px); }
em { color: var(--orange); font-style: normal; }
.hero-lede { max-width: 610px; margin: 32px 0 26px; font-size: clamp(19px, 2vw, 27px); line-height: 1.28; }
.hero-actions { display: flex; align-items: center; gap: 25px; flex-wrap: wrap; }
.hero-note { max-width: 600px; margin-top: 25px; color: var(--muted); font-size: 12px; }

.hero-art { position: relative; min-height: 570px; align-self: stretch; }
.sun-disc { position: absolute; width: min(42vw, 560px); aspect-ratio: 1; top: 50%; left: 55%; transform: translate(-50%,-50%); border-radius: 50%; background: var(--orange); }
.sun-disc::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: repeating-linear-gradient(0deg, transparent 0 18px, rgba(23,23,19,.1) 18px 20px); }
.race-car { position: absolute; z-index: 2; width: min(56vw, 770px); left: 48%; top: 52%; transform: translate(-50%,-50%) rotate(-2deg); filter: drop-shadow(10px 16px 0 rgba(23,23,19,.13)); }
.car-shadow { fill: rgba(23,23,19,.25); }
.car-body { fill: var(--paper); stroke: var(--ink); stroke-width: 8; stroke-linejoin: round; }
.car-roof { fill: var(--ink); stroke: var(--ink); stroke-width: 6; }
.window { fill: var(--purple-light); }
.paper-stripe { fill: var(--orange); }
.purple-stripe { fill: var(--purple); }
.door-line { fill: none; stroke: var(--ink); stroke-width: 5; }
.wheel-outer { fill: var(--ink); stroke: var(--paper); stroke-width: 7; }
.wheel-inner { fill: var(--orange); stroke: var(--ink); stroke-width: 8; }
.headlight { fill: #f9ef7f; stroke: var(--ink); stroke-width: 5; }
.car-number { fill: var(--ink); font: 900 56px var(--display); }
.car-name { fill: var(--ink); font: 900 16px var(--display); letter-spacing: 1.5px; }
.speed-line { position: absolute; height: 7px; background: var(--ink); transform: skewX(-25deg); }
.speed-line-one { top: 36%; left: 0; width: 26%; }
.speed-line-two { top: 66%; right: 0; width: 33%; }
.scrutineering-tag { position: absolute; z-index: 4; bottom: 10%; right: 1%; transform: rotate(5deg); display: flex; align-items: center; gap: 12px; width: 178px; padding: 12px; border: 2px solid var(--ink); background: var(--purple-light); box-shadow: 7px 7px 0 var(--ink); }
.scrutineering-tag span { writing-mode: vertical-rl; font: 800 10px var(--sans); letter-spacing: .12em; }
.scrutineering-tag strong { font: 900 22px/.9 var(--display); letter-spacing: .02em; }

.stat-strip { position: relative; display: grid; grid-template-columns: repeat(4,1fr); border-block: 1px solid var(--ink); background: var(--ink); color: var(--paper); }
.stat-strip > div { min-height: 150px; padding: 27px clamp(20px,4vw,60px); border-right: 1px solid rgba(243,239,223,.25); }
.stat-strip > div:last-of-type { border: 0; }
.stat-strip span { font: 900 clamp(38px,4vw,64px)/1 var(--display); color: var(--orange); }
.stat-strip p { margin: 8px 0 0; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.stat-strip .strip-footnote { position: absolute; right: 18px; bottom: -27px; color: var(--muted); font-size: 10px; text-transform: none; }

.section-kicker { display: grid; grid-template-columns: minmax(160px,1fr) 2fr; gap: 40px; padding-bottom: 25px; border-bottom: 1px solid var(--line); }
.section-kicker span { color: var(--orange-dark); font-size: 12px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.section-kicker p { max-width: 560px; margin: 0; font-size: 16px; font-weight: 650; }
.mission-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 8vw; padding: 80px 0; align-items: start; }
.mission h2, .team h2, .sponsor h2 { font-size: clamp(58px,7vw,108px); }
.mission-copy p { margin-top: 0; }
.mission-copy .large-copy { font-size: clamp(22px,2.4vw,32px); line-height: 1.25; }
.mission-copy p:last-child { color: var(--muted); }
.process-grid { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid var(--ink); }
.process-grid article { position: relative; min-height: 270px; padding: 32px; border-right: 1px solid var(--ink); }
.process-grid article:last-child { border-right: 0; }
.process-grid span { position: absolute; top: 22px; right: 25px; color: var(--orange-dark); font: 900 54px var(--display); }
.process-grid h3 { margin: 92px 0 10px; font: 900 32px var(--display); text-transform: uppercase; }
.process-grid p { max-width: 310px; margin: 0; color: var(--muted); }

.cause { padding-top: 0; }
.cause-card { position: relative; overflow: hidden; min-height: 520px; display: grid; grid-template-columns: 1.25fr .75fr; gap: 50px; align-items: end; padding: clamp(36px,6vw,86px); color: #fff; background: var(--purple); }
.cause-card::before { content: ""; position: absolute; inset: 0; opacity: .12; background: repeating-linear-gradient(135deg, transparent 0 16px, #fff 16px 17px); }
.cause-card > * { position: relative; z-index: 2; }
.eyebrow-light > span { background: repeating-linear-gradient(90deg,#fff 0 5px,transparent 5px 10px); }
.cause h2 { max-width: 800px; font-size: clamp(55px,7vw,103px); }
.cause-copy { max-width: 480px; }
.cause-copy > p { font-size: 20px; }
.cause-copy small { display: block; margin-top: 24px; color: rgba(255,255,255,.66); font-size: 11px; }
.cause-rings { position: absolute; z-index: 1; top: -170px; right: -160px; width: 570px; aspect-ratio: 1; }
.cause-rings span { position: absolute; inset: 0; border: 2px solid rgba(255,255,255,.22); border-radius: 50%; }
.cause-rings span:nth-child(2) { inset: 80px; }
.cause-rings span:nth-child(3) { inset: 160px; }

.team-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 70px; align-items: end; padding: 75px 0 55px; }
.team-heading > p { max-width: 450px; color: var(--muted); font-size: 20px; }
.driver-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.driver-card { position: relative; min-height: 385px; display: flex; flex-direction: column; justify-content: space-between; padding: 20px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); text-decoration: none; transition: background .25s ease, color .25s ease; }
a.driver-card:hover { color: var(--paper); background: var(--ink); }
.driver-number { font-weight: 800; color: var(--orange-dark); }
.driver-face { height: 100%; display: flex; flex: 1; flex-direction: column; justify-content: space-between; transition: opacity .2s ease, transform .2s ease; }
.driver-monogram { width: 148px; aspect-ratio: 1; margin-inline: auto; display: grid; place-items: center; border-radius: 50%; color: var(--paper); background: var(--ink); font: 900 58px var(--display); transition: transform .25s ease, background .25s ease; }
.driver-card p { margin: 0 0 4px; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.driver-card h3 { margin: 0; font: 900 27px var(--display); letter-spacing: .01em; text-transform: uppercase; }
.card-arrow { position: absolute; right: 18px; bottom: 18px; font-size: 24px; }
.driver-hover { position: absolute; z-index: 2; inset: 52px 16px 16px; display: flex; flex-direction: column; justify-content: flex-end; padding: 24px; opacity: 0; transform: translateY(12px); color: var(--ink); background: var(--orange); transition: opacity .2s ease, transform .2s ease; }
.driver-hover strong { font: 900 28px var(--display); text-transform: uppercase; }
.driver-hover p { margin: 12px 0 22px; color: var(--ink); font-size: 14px; font-weight: 650; line-height: 1.45; letter-spacing: 0; text-transform: none; }
.driver-hover span { font-size: 11px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
a.driver-card:hover .driver-face, a.driver-card:focus-visible .driver-face { opacity: 0; transform: scale(.96); }
a.driver-card:hover .driver-hover, a.driver-card:focus-visible .driver-hover { opacity: 1; transform: translateY(0); }
a.driver-card:hover .card-arrow, a.driver-card:focus-visible .card-arrow { z-index: 3; color: var(--ink); }
.driver-open { background: var(--paper-deep); }
.driver-open .driver-monogram { color: var(--ink); background: transparent; border: 2px dashed var(--ink); }

.sponsor { margin-bottom: 80px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; align-items: end; padding: clamp(45px,7vw,90px); border: 1px solid var(--ink); background: var(--paper-deep); box-shadow: 12px 12px 0 var(--ink); }
.sponsor-copy { max-width: 520px; }
.sponsor-copy p { margin-top: 0; font-size: 20px; }

.site-footer { padding: 55px 0 30px; display: grid; grid-template-columns: 1fr 1.4fr 1fr; align-items: end; gap: 30px; border-top: 1px solid var(--ink); }
.footer-brand { display: flex; align-items: center; gap: 13px; }
.footer-brand p { font: 900 19px/.95 var(--display); text-transform: uppercase; }
.footer-brand span { color: var(--muted); font: 700 11px var(--sans); letter-spacing: .1em; }
.footer-line { margin: 0; text-align: center; font: 900 clamp(24px,3vw,45px)/1 var(--display); text-transform: uppercase; }
.footer-meta { display: flex; justify-content: flex-end; gap: 15px; flex-wrap: wrap; color: var(--muted); font-size: 11px; text-transform: uppercase; }

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 165px; }
  .hero-art { min-height: 500px; }
  .sun-disc { width: 520px; max-width: 90vw; }
  .race-car { width: 760px; max-width: 110vw; }
  .mission-grid, .cause-card, .team-heading, .sponsor { grid-template-columns: 1fr; }
  .driver-grid { grid-template-columns: repeat(2,1fr); }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .footer-line { grid-column: 1 / -1; grid-row: 1; }
}

@media (max-width: 720px) {
  .section-shell { width: min(calc(100% - 28px), var(--max)); }
  .site-header { width: calc(100% - 20px); top: 10px; }
  .nav-toggle { width: 44px; height: 44px; display: grid; place-content: center; gap: 5px; border: 0; color: inherit; background: transparent; }
  .nav-toggle > span:not(.sr-only) { display: block; width: 24px; height: 2px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
  .nav-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { position: absolute; top: calc(100% + 7px); left: 0; width: 100%; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 13px; border: 1px solid var(--ink); background: var(--paper); box-shadow: 8px 8px 0 var(--ink); }
  .site-nav.is-open { display: flex; }
  .site-nav > a:not(.button) { padding: 14px 8px; border-bottom: 1px solid var(--line); }
  .hero { padding-top: 140px; }
  .hero h1 { font-size: clamp(58px,20vw,88px); }
  .hero-lede { margin-top: 22px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-art { min-height: 410px; }
  .scrutineering-tag { bottom: 2%; width: 150px; }
  .stat-strip { grid-template-columns: repeat(2,1fr); }
  .stat-strip > div { min-height: 126px; padding: 22px; border-bottom: 1px solid rgba(243,239,223,.25); }
  .stat-strip > div:nth-child(2) { border-right: 0; }
  .stat-strip .strip-footnote { position: static; grid-column: 1/-1; padding: 11px 15px; color: rgba(243,239,223,.6); }
  .section-kicker { grid-template-columns: 1fr; gap: 10px; }
  .mission-grid { padding: 55px 0; }
  .process-grid { grid-template-columns: 1fr; }
  .process-grid article { min-height: 210px; border-right: 0; border-bottom: 1px solid var(--ink); }
  .process-grid article:last-child { border-bottom: 0; }
  .process-grid h3 { margin-top: 58px; }
  .cause-card { min-height: 650px; padding: 36px 25px; }
  .driver-grid { grid-template-columns: 1fr; }
  .driver-card { min-height: 330px; }
  .sponsor { padding: 38px 24px; box-shadow: 7px 7px 0 var(--ink); }
  .site-footer { grid-template-columns: 1fr; text-align: center; }
  .footer-brand, .footer-meta { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}