:root {
  --ink: #0b0b0c;
  --ink-soft: #151517;
  --paper: #f6f5f1;
  --paper-deep: #eceae4;
  --red: #cc0000;
  --red-bright: #e00000;
  --line: rgba(11, 11, 12, 0.16);
  --line-light: rgba(255, 255, 255, 0.18);
  --serif: Georgia, "Times New Roman", serif;
  --display: "Barlow Condensed", Impact, sans-serif;
  --body: "Manrope", Arial, sans-serif;
  --mono: "DM Mono", monospace;
  --shell: min(1200px, calc(100% - 64px));
  --header-height: 80px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
svg { display: block; }

.shell { width: var(--shell); margin-inline: auto; }
.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; z-index: 100; top: 8px; left: 8px; transform: translateY(-150%);
  padding: 0.65rem 0.9rem; color: #fff; background: var(--red); font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }
.section { padding: clamp(72px, 10vw, 144px) 0; }
.section-dark { color: #fff; background: var(--ink); }
.section-red { color: #fff; background: var(--red); }
.accent { color: var(--red); }
.section-red .accent { color: #fff; }

.eyebrow {
  display: flex; align-items: center; gap: 10px; margin: 0 0 20px;
  color: var(--red); font-family: var(--mono); font-size: 0.7rem;
  font-weight: 500; letter-spacing: 0.075em; text-transform: uppercase;
}
.eyebrow span { width: 28px; height: 2px; background: currentColor; }
.eyebrow.light { color: #fff; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 0.92; }
h1, h2 { font-family: var(--display); font-weight: 800; letter-spacing: -0.035em; text-transform: uppercase; }
h1 em, h2 em { font-family: var(--serif); font-size: 0.78em; font-style: italic; font-weight: 400; letter-spacing: -0.055em; text-transform: none; }
h2 { max-width: 760px; margin-bottom: 28px; font-size: clamp(3.15rem, 7vw, 6.5rem); }
p { margin-bottom: 1.1em; }
.lead { font-size: clamp(1.15rem, 1.75vw, 1.45rem); line-height: 1.55; }

.site-header {
  position: fixed; z-index: 40; top: 0; left: 0; width: 100%;
  color: #fff; transition: background-color 250ms ease, backdrop-filter 250ms ease, border-color 250ms ease;
}
.site-header.is-scrolled { border-bottom: 1px solid rgba(255,255,255,.14); background: rgba(6, 6, 7, 0.88); backdrop-filter: blur(14px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); }
.brand { flex: 0 0 auto; width: 174px; }
.brand img { width: 100%; height: 49px; object-fit: contain; object-position: left center; }
.site-nav { display: flex; align-items: center; gap: clamp(22px, 2.7vw, 42px); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.065em; text-transform: uppercase; }
.site-nav > a:not(.nav-cta) { position: relative; }
.site-nav > a:not(.nav-cta)::after { position: absolute; right: 0; bottom: -5px; left: 0; height: 1px; background: var(--red); content: ""; transform: scaleX(0); transform-origin: right; transition: transform 180ms ease; }
.site-nav > a:not(.nav-cta):hover::after, .site-nav > a:not(.nav-cta):focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { padding: 0.8rem 1rem; background: var(--red); transition: background-color 180ms ease, color 180ms ease; }
.nav-cta:hover, .nav-cta:focus-visible { color: var(--ink); background: #fff; }
.menu-toggle { display: none; }

.hero { position: relative; display: grid; min-height: max(710px, 100svh); color: #fff; background: #050505; isolation: isolate; }
.hero-image-wrap, .hero-grid { position: absolute; z-index: -2; inset: 0; overflow: hidden; }
.hero-image { width: 100%; height: 100%; object-fit: cover; object-position: 56% 50%; filter: saturate(.7) contrast(1.08) brightness(.58); transform: scale(1.02); }
.hero-image-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.91) 0%, rgba(0,0,0,.62) 38%, rgba(0,0,0,.13) 77%), linear-gradient(0deg, rgba(0,0,0,.7) 0%, transparent 30%, rgba(0,0,0,.24) 100%); }
.hero-grid { z-index: -1; opacity: .23; background-image: linear-gradient(rgba(255,255,255,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.18) 1px, transparent 1px); background-size: 80px 80px; -webkit-mask-image: linear-gradient(90deg, black, transparent 75%); mask-image: linear-gradient(90deg, black, transparent 75%); }
.hero-content { align-self: center; padding-top: 120px; padding-bottom: 86px; }
.hero h1 { max-width: 980px; margin: 0 0 28px; font-size: clamp(4.15rem, 9.5vw, 9.5rem); }
.hero-copy { max-width: 550px; color: rgba(255,255,255,.84); font-size: clamp(1.05rem, 1.6vw, 1.32rem); line-height: 1.65; }
.hero-actions, .join-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 48px; padding: .82rem 1rem 0.78rem 1.05rem; font-size: .72rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease; }
.button span { font-size: 1.05rem; line-height: 0; }
.button:hover, .button:focus-visible { transform: translateY(-3px); }
.button-primary { color: #fff; background: var(--red); }
.button-primary:hover, .button-primary:focus-visible { color: var(--ink); background: #fff; }
.button-ghost { color: #fff; border: 1px solid rgba(255,255,255,.55); }
.button-ghost:hover, .button-ghost:focus-visible { color: var(--ink); border-color: #fff; background: #fff; }
.button-dark { color: #fff; background: var(--ink); }
.button-dark:hover, .button-dark:focus-visible { background: var(--red); }
.button-outline { color: var(--ink); border: 1px solid var(--ink); }
.button-outline:hover, .button-outline:focus-visible { color: #fff; background: var(--ink); }
.hero-bottom { display: flex; align-items: flex-end; justify-content: space-between; align-self: end; padding-bottom: 26px; color: rgba(255,255,255,.72); font-family: var(--mono); font-size: .65rem; letter-spacing: .07em; text-transform: uppercase; }
.hero-bottom p { margin: 0; }
.hero-bottom strong { color: #fff; font-weight: 500; }
.scroll-cue { display: flex; align-items: center; gap: 8px; }
.scroll-cue span { color: var(--red); font-size: 1.3rem; }

.intro { background: var(--paper); }
.intro-grid { display: grid; grid-template-columns: minmax(180px, .55fr) minmax(0, 1.5fr); gap: clamp(35px, 8vw, 130px); }
.intro-grid > div { max-width: 760px; }
.intro-grid .lead { max-width: 660px; font-family: var(--serif); }
.intro-grid p:not(.eyebrow):not(.lead) { max-width: 615px; color: #454442; }

.stats-band { color: #fff; background: var(--ink); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-grid article { min-height: 204px; padding: 34px clamp(18px, 3vw, 45px); border-left: 1px solid var(--line-light); }
.stats-grid article:last-child { border-right: 1px solid var(--line-light); }
.stat-value { margin: 0 0 6px; font-family: var(--display); font-size: clamp(3.5rem, 6vw, 5.3rem); font-weight: 800; letter-spacing: -.04em; line-height: .95; }
.stat-value span { color: var(--red); }
.stat-label { max-width: 115px; margin: 0; color: rgba(255,255,255,.65); font-family: var(--mono); font-size: .64rem; letter-spacing: .06em; line-height: 1.6; text-transform: uppercase; }
.stats-cta { display: grid; place-items: center; background: var(--red); }
.stats-cta a { display: flex; align-items: center; gap: 12px; font-size: .73rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.stats-cta span { font-size: 1.35rem; }

.team-feature { overflow: hidden; }
.team-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(310px, .8fr); align-items: center; gap: clamp(48px, 9vw, 150px); }
.team-photo-frame { position: relative; }
.team-photo-frame::before { position: absolute; z-index: 0; right: -6%; bottom: -7%; width: 60%; height: 54%; border: 1px solid var(--red); content: ""; }
.team-photo-frame img { position: relative; z-index: 1; width: 100%; aspect-ratio: 1.36; object-fit: cover; filter: contrast(1.04) saturate(.82); }
.photo-caption { position: absolute; z-index: 2; bottom: 0; left: 0; display: flex; justify-content: space-between; width: min(82%, 430px); padding: .7rem .85rem; color: rgba(255,255,255,.88); background: var(--red); font-family: var(--mono); font-size: .57rem; letter-spacing: .08em; text-transform: uppercase; }
.team-content h2 { margin-bottom: 27px; }
.team-content > p:not(.eyebrow) { max-width: 485px; color: rgba(255,255,255,.72); }
.text-link { display: inline-flex; align-items: center; gap: 13px; margin-top: 20px; color: #fff; border-bottom: 1px solid var(--red); padding-bottom: 4px; font-size: .75rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.text-link span { color: var(--red); font-size: 1.1rem; }

.section-heading { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(270px, .65fr); align-items: end; gap: 40px; margin-bottom: clamp(48px, 7vw, 88px); }
.section-heading h2 { margin-bottom: 0; }
.section-summary { max-width: 450px; margin: 0 0 7px auto; color: #51504e; font-family: var(--serif); font-size: 1.15rem; line-height: 1.55; }
.section-summary.light { color: rgba(255,255,255,.72); }
.car-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(330px, .9fr); align-items: stretch; border-top: 2px solid var(--red); border-bottom: 1px solid var(--line); }
.car-visual { display: grid; place-items: center; min-height: 380px; padding: 50px; background: #ebe9e3; }
.car-outline { width: min(100%, 630px); color: var(--ink); }
.car-outline svg { width: 100%; fill: none; stroke: currentColor; stroke-linecap: square; stroke-linejoin: bevel; stroke-width: 3.6; }
.visual-note { align-self: end; width: 100%; margin: 17px 0 0; color: #65635f; font-family: var(--mono); font-size: .6rem; letter-spacing: .07em; text-transform: uppercase; }
.specs-card { display: grid; align-content: center; padding: clamp(24px, 4vw, 54px); background: #fdfcf9; }
.specs-card dl { margin: 0; }
.specs-card dl > div { display: flex; justify-content: space-between; gap: 22px; padding: .82rem 0; border-bottom: 1px solid var(--line); }
.specs-card dl > div:first-child { border-top: 1px solid var(--line); }
.specs-card dt { font-family: var(--display); font-size: 1.15rem; font-weight: 700; letter-spacing: .01em; text-transform: uppercase; }
.specs-card dd { margin: 0; font-family: var(--mono); font-size: .72rem; text-align: right; white-space: nowrap; }
.specs-card dd span { color: #77736e; }
.systems-grid { display: grid; grid-template-columns: .55fr 1.2fr .8fr; gap: 35px; padding: 32px 0 0; }
.systems-label { margin: 0; font-family: var(--display); font-size: 1.32rem; font-weight: 700; letter-spacing: .01em; line-height: 1.1; text-transform: uppercase; }
.systems-grid ul { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
.systems-grid li { position: relative; padding-left: 16px; color: #363533; font-size: .84rem; line-height: 1.55; }
.systems-grid li::before { position: absolute; top: .63em; left: 0; width: 5px; height: 5px; background: var(--red); content: ""; }
.disclaimer { align-self: end; margin: 0; color: #73706c; font-family: var(--serif); font-size: .82rem; font-style: italic; line-height: 1.45; }

.impact-grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(340px, 1fr); gap: clamp(48px, 11vw, 180px); }
.impact h2 { margin-bottom: 0; }
.impact h2 em { color: #fff; }
.impact-content .lead { max-width: 560px; color: rgba(255,255,255,.92); font-family: var(--serif); }
.impact-content .lead strong { color: #fff; font-family: var(--display); font-size: 1.35em; letter-spacing: .01em; }
.needs-list { margin-top: 35px; border-top: 1px solid rgba(255,255,255,.42); }
.needs-list > div { display: grid; grid-template-columns: 48px 1fr; gap: 15px; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.42); }
.needs-list > div > span { color: rgba(255,255,255,.78); font-family: var(--mono); font-size: .65rem; }
.needs-list p { display: grid; grid-template-columns: 175px 1fr; gap: 18px; margin: 0; color: rgba(255,255,255,.78); font-size: .8rem; line-height: 1.58; }
.needs-list strong { color: #fff; font-family: var(--display); font-size: 1.06rem; letter-spacing: .015em; text-transform: uppercase; }

.sponsor-heading { margin-bottom: 50px; }
.sponsor-heading .button { margin-top: 28px; }
.tiers { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line-light); border-left: 1px solid var(--line-light); }
.tier { position: relative; display: flex; min-height: 265px; flex-direction: column; justify-content: space-between; padding: 25px 21px 20px; border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); background: transparent; transition: background-color 200ms ease, color 200ms ease; }
.tier:hover { color: var(--ink); background: #fff; }
.tier.featured { background: var(--red); }
.tier.featured:hover { background: #fff; }
.tier-title p { margin-bottom: 16px; color: rgba(255,255,255,.74); font-family: var(--mono); font-size: .6rem; letter-spacing: .08em; text-transform: uppercase; }
.tier:hover .tier-title p { color: #666; }
.tier-title strong { display: block; font-family: var(--display); font-size: clamp(2.1rem, 3.4vw, 3.5rem); letter-spacing: -.035em; line-height: .88; }
.tier-title strong span { color: #ffb4b4; }
.tier:hover .tier-title strong span { color: var(--red); }
.tier > p { margin: 22px 0 0; color: rgba(255,255,255,.67); font-size: .74rem; line-height: 1.55; }
.tier:hover > p { color: #4b4b4b; }
.tier-arrow { align-self: end; color: #fff; font-size: 1.4rem; transition: color 180ms ease; }
.tier:hover .tier-arrow { color: var(--red); }
.sponsor-disclaimer { max-width: 790px; margin: 20px 0 0; color: rgba(255,255,255,.46); font-family: var(--serif); font-size: .79rem; font-style: italic; line-height: 1.55; }

.join-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(310px, .9fr); gap: clamp(45px, 10vw, 160px); }
.join-grid h2 { margin-bottom: 0; }
.join-content { align-self: end; }
.join-content .lead { max-width: 570px; font-family: var(--serif); }
.social-strip { color: #fff; background: var(--ink); }
.social-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 30px 0; }
.social-inner p { margin: 0; color: rgba(255,255,255,.57); font-family: var(--mono); font-size: .64rem; letter-spacing: .07em; text-transform: uppercase; }
.social-inner a { display: flex; align-items: center; gap: 9px; font-size: clamp(1rem, 2vw, 1.35rem); font-weight: 700; }
.social-inner a > span:first-child { color: var(--red); font-family: var(--display); font-size: 1.4em; letter-spacing: .01em; text-transform: uppercase; }

.site-footer { color: #fff; background: #050505; }
.footer-grid { display: grid; grid-template-columns: 1.35fr .9fr .9fr 1fr; gap: 35px; padding: 72px 0 62px; }
.footer-brand img { width: min(210px, 100%); height: 64px; object-fit: contain; object-position: left center; }
.footer-brand p { margin: 18px 0 0; color: rgba(255,255,255,.5); font-family: var(--mono); font-size: .61rem; letter-spacing: .06em; line-height: 1.65; text-transform: uppercase; }
.footer-label { margin-bottom: 15px; color: rgba(255,255,255,.44); font-family: var(--mono); font-size: .59rem; letter-spacing: .09em; text-transform: uppercase; }
.footer-links { display: flex; flex-direction: column; gap: 9px; font-size: .77rem; }
.footer-links .footer-label { margin-bottom: 5px; }
.footer-links a { width: fit-content; border-bottom: 1px solid transparent; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--red); border-color: var(--red); }
address { color: rgba(255,255,255,.75); font-size: .78rem; font-style: normal; line-height: 1.7; }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; padding: 20px 0; border-top: 1px solid var(--line-light); color: rgba(255,255,255,.38); font-family: var(--mono); font-size: .57rem; letter-spacing: .06em; text-transform: uppercase; }
.footer-bottom p { margin: 0; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 600ms ease, transform 600ms cubic-bezier(.16,1,.3,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

a:focus-visible, button:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
.section:not(.section-dark):not(.section-red) a:focus-visible { outline-color: var(--red); }

@media (max-width: 980px) {
  :root { --shell: min(100% - 44px, 1200px); }
  .site-nav { gap: 20px; }
  .brand { width: 150px; }
  .stats-grid article { min-height: 175px; padding: 28px 22px; }
  .team-grid, .impact-grid { gap: 60px; }
  .tiers { grid-template-columns: repeat(3, 1fr); }
  .tier { min-height: 235px; }
  .systems-grid { grid-template-columns: .75fr 1.45fr; }
  .disclaimer { grid-column: 2; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-grid address { grid-column: 2 / span 2; }
}

@media (max-width: 760px) {
  :root { --shell: min(100% - 36px, 1200px); --header-height: 68px; }
  h2 { font-size: clamp(3rem, 15vw, 4.7rem); }
  .site-header { background: rgba(6, 6, 7, .9); backdrop-filter: blur(12px); }
  .brand { width: 144px; }
  .brand img { height: 43px; }
  .menu-toggle { display: grid; gap: 5px; width: 43px; height: 43px; place-content: center; padding: 0; color: #fff; border: 1px solid rgba(255,255,255,.35); background: transparent; cursor: pointer; }
  .menu-toggle span:not(.sr-only) { display: block; width: 18px; height: 1px; background: currentColor; transition: transform 200ms ease; }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(3px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(3) { transform: translateY(-3px) rotate(-45deg); }
  .site-nav { position: absolute; top: var(--header-height); left: 0; display: grid; width: 100%; padding: 20px 18px 26px; gap: 0; border-top: 1px solid rgba(255,255,255,.14); background: rgba(6,6,7,.97); transform: translateY(-120%); visibility: hidden; transition: transform 220ms ease, visibility 220ms ease; }
  .site-nav.is-open { transform: translateY(0); visibility: visible; }
  .site-nav > a:not(.nav-cta) { padding: 14px 4px; border-bottom: 1px solid rgba(255,255,255,.13); }
  .site-nav > a:not(.nav-cta)::after { display: none; }
  .site-nav .nav-cta { justify-self: start; margin: 18px 4px 0; }
  .hero { min-height: 720px; }
  .hero-image { object-position: 61% 50%; }
  .hero-image-overlay { background: linear-gradient(90deg, rgba(0,0,0,.88) 0%, rgba(0,0,0,.52) 73%, rgba(0,0,0,.20) 100%), linear-gradient(0deg, rgba(0,0,0,.75), transparent 42%); }
  .hero-grid { background-size: 54px 54px; }
  .hero h1 { font-size: clamp(4.0rem, 18vw, 6rem); }
  .hero-content { padding-top: 118px; }
  .hero-bottom { font-size: .54rem; }
  .scroll-cue { display: none; }
  .intro-grid, .team-grid, .section-heading, .car-layout, .impact-grid, .sponsor-heading, .join-grid { grid-template-columns: 1fr; }
  .intro-grid { gap: 12px; }
  .section-heading { gap: 4px; margin-bottom: 46px; }
  .section-summary { margin: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid article:nth-child(3) { border-top: 1px solid var(--line-light); }
  .stats-grid article:last-child { border-top: 1px solid var(--line-light); }
  .stats-grid article:nth-child(2) { border-right: 1px solid var(--line-light); }
  .team-grid { gap: 60px; }
  .team-photo-frame::before { right: -4%; bottom: -5%; }
  .team-content { order: -1; }
  .car-visual { min-height: 255px; padding: 26px; }
  .car-outline { width: 100%; }
  .specs-card { padding: 28px 22px; }
  .specs-card dt { font-size: 1rem; }
  .specs-card dd { font-size: .62rem; }
  .systems-grid { grid-template-columns: 1fr; gap: 17px; }
  .disclaimer { grid-column: auto; }
  .impact-grid { gap: 38px; }
  .needs-list p { grid-template-columns: 1fr; gap: 2px; }
  .tiers { grid-template-columns: 1fr; }
  .tier { min-height: 170px; }
  .tier > p { max-width: 430px; }
  .sponsor-heading .button { margin-top: 18px; }
  .social-inner { display: block; padding: 24px 0; }
  .social-inner p { margin-bottom: 7px; }
  .footer-grid { grid-template-columns: 1fr 1fr; padding: 52px 0 40px; }
  .footer-brand { grid-column: 1 / -1; margin-bottom: 12px; }
  .footer-grid address { grid-column: 1 / -1; margin-top: 5px; }
  .footer-bottom { display: block; line-height: 1.8; }
}

@media (max-width: 420px) {
  :root { --shell: min(100% - 28px, 1200px); }
  .hero-actions .button, .join-actions .button { width: 100%; }
  .stats-grid article { min-height: 150px; padding: 23px 15px; }
  .stat-value { font-size: 3.3rem; }
  .photo-caption { width: 100%; font-size: .48rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links, .footer-grid address { grid-column: auto; }
}

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