/* SPOOL — forced induction. Hungry Tiger MECHANICS, cool-steel palette, Archivo+SpaceMono.
   Poster-scale single-dominant display face, single chromatic accent on a warm→COOL monochrome,
   flat surfaces (no shadow), pill controls, dotted dividers, type-is-hero. */

:root{
  /* surface steps recess DARKER (mirrors reference: canvas lightest → deepest darkest) */
  --graphite:#191d20;   /* page canvas   (Ember Rust equiv) */
  --gunmetal:#111417;   /* card surface  (Dark Spice equiv) */
  --carbon:#0a0c0d;     /* deepest       (Charred Clove equiv) */
  --steel-line:#2c3439; /* hairline/border (Cardamom equiv) */

  --cyan:#37e5ff;       /* THE single chromatic accent (Tiger Gold equiv) */
  --cyan-soft:#5aa7b8;  /* muted mid (Saffron equiv) */
  --redline:#ff4326;    /* reserved heat accent, badges only (Chili Red equiv) */

  --ink:#eaf1f4;        /* display / near-white steel */
  --body:#c4ced3;       /* body cool grey */
  --dim:#87949b;

  --font-disp:'Archivo',system-ui,sans-serif;
  --font-mono:'Space Mono',ui-monospace,monospace;

  --maxw:1440px;
  --gutter:clamp(20px,5vw,80px);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--graphite);
  color:var(--body);
  font-family:var(--font-disp);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--cyan);color:var(--carbon)}
a{color:inherit;text-decoration:none}

/* ---- blueprint watermark ---- */
.blueprint{
  position:fixed;inset:0;width:100%;height:100%;
  z-index:0;pointer-events:none;opacity:.5;
  mix-blend-mode:screen;
}

/* ---- shared display type ---- */
.display{
  font-family:var(--font-disp);
  font-weight:900;
  color:var(--ink);
  line-height:.82;
  letter-spacing:-.02em;
  font-stretch:125%;
  text-transform:uppercase;
}
.display.lg{font-size:clamp(56px,9vw,132px)}
.display.sm{font-size:clamp(34px,5vw,68px);letter-spacing:-.01em}
.headline{font-size:clamp(84px,20vw,260px);line-height:.78}

.eyebrow{
  font-family:var(--font-mono);
  font-size:clamp(10px,1.1vw,13px);
  letter-spacing:.18em;text-transform:uppercase;
  color:var(--cyan);
}
.body{
  font-size:clamp(15px,1.3vw,18px);
  line-height:1.35;max-width:46ch;color:var(--body);
}
.body.center{margin-inline:auto;text-align:center}
.section-title{margin-bottom:var(--gutter)}

/* ---- pills: buttons / nav / badges (all full radius, flat) ---- */
.pill{
  font-family:var(--font-mono);
  font-size:13px;font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;
  border-radius:9999px;
  padding:9px 18px;display:inline-flex;align-items:center;gap:.5em;
  border:1px solid var(--cyan);color:var(--cyan);
  background:transparent;cursor:pointer;
  transition:color .3s,border-color .3s;
}
.pill.ghost{position:relative;overflow:hidden;isolation:isolate}
.pill.ghost::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:var(--cyan);transform:translateY(101%);
  transition:transform .32s cubic-bezier(.5,.15,.15,1);
}
.pill.ghost:hover{color:var(--carbon)}
.pill.ghost:hover::before{transform:translateY(0)}
.pill.fill{background:var(--cyan);color:var(--carbon);border-color:var(--cyan)}
.pill.fill:hover{background:var(--ink);border-color:var(--ink)}
.pill.lg{padding:13px 26px;font-size:14px}
.pill.tag{
  border-color:var(--steel-line);color:var(--body);
  font-size:11px;padding:5px 13px;letter-spacing:.08em;
}
.pill.tag.alert{background:var(--redline);border-color:var(--redline);color:#fff}

/* ---- nav ---- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:20;
  padding:16px var(--gutter);
  border-bottom:1px solid transparent;
  transition:background .4s,border-color .4s,backdrop-filter .4s;
}
.nav.stuck{
  background:color-mix(in srgb,var(--graphite) 82%,transparent);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--steel-line);
}
.nav-inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-links{display:flex;gap:10px;align-items:center}
.wordmark{
  font-family:var(--font-disp);font-weight:900;font-stretch:125%;
  font-size:26px;letter-spacing:.02em;color:var(--ink);text-transform:uppercase;
}
.wordmark.sm{font-size:22px}

/* ---- hero ---- */
section{padding:clamp(72px,11vh,120px) var(--gutter);position:relative;z-index:1}
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding-top:120px;max-width:var(--maxw);margin:0 auto}
.hero .eyebrow{margin-bottom:18px}
.hero .headline{margin:0 0 -.06em -.02em}
.hero-stage{
  display:flex;justify-content:center;align-items:center;
  margin:-6vw 0 0;pointer-events:none;
}
.turbo{width:min(58vw,560px);height:auto;filter:drop-shadow(0 0 1px var(--cyan))}
.turbo.small{width:min(70%,420px)}
.volute{fill:var(--gunmetal);stroke:var(--cyan);stroke-width:2}
.housing-ring{fill:none;stroke:var(--steel-line);stroke-width:2}
.housing-ring.thin{stroke:var(--cyan);stroke-width:1;opacity:.35}
.snout{fill:var(--gunmetal);stroke:var(--cyan);stroke-width:2}
.blade{fill:var(--carbon);stroke:var(--cyan);stroke-width:1.5}
.hub{stroke:var(--cyan);stroke-width:2}
.hub-bolt{fill:var(--cyan)}

.hero-foot{display:flex;align-items:center;gap:28px;flex-wrap:wrap;margin-top:8px}
.specline{font-family:var(--font-mono);font-size:clamp(11px,1.3vw,14px);letter-spacing:.06em;color:var(--body)}

/* ---- dotted divider (label-printed rhythm) ---- */
.dotted{
  border:none;height:0;max-width:var(--maxw);margin:0 auto;
  border-top:2px dotted var(--cyan);opacity:.6;
  transform:scaleX(0);transform-origin:left center;
}

/* ---- stat strip ---- */
.stats{
  max-width:var(--maxw);margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
}
.stat{display:flex;flex-direction:column;gap:8px}
.num{
  font-family:var(--font-disp);font-weight:900;font-stretch:125%;
  font-size:clamp(40px,6.5vw,96px);line-height:.85;color:var(--cyan);
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}
.lbl{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}

/* ---- anatomy ---- */
.anatomy{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,6vw,96px);align-items:center}
.anatomy-copy .body{margin:24px 0 26px}
.badges{display:flex;flex-wrap:wrap;gap:10px}
.anatomy-art{display:flex;justify-content:center;align-items:start}
.anatomy-photo{
  display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover;
  border-radius:6px;border:1px solid var(--steel-line);
  filter:saturate(.92) contrast(1.03);
}

/* full-bleed cinematic band — a distinct layout family, hero stays untouched */
.fullbleed{
  padding:0;min-height:82svh;position:relative;overflow:hidden;
  display:flex;align-items:flex-end;
  background:var(--carbon) url('assets/supercharger-dark.webp') center/cover no-repeat;
}
.fb-overlay{position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,12,13,.94),rgba(10,12,13,.55) 52%,rgba(10,12,13,.15));}
.fb-inner{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;width:100%;padding:clamp(48px,8vh,96px) var(--gutter)}
.fb-inner .body{margin-top:16px;color:var(--ink)}

/* ---- tech cards (flat, depth via surface-step only) ---- */
.tech{max-width:var(--maxw);margin:0 auto}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{
  background:var(--gunmetal);border:1px solid var(--steel-line);
  border-radius:6px;padding:22px 20px 20px;
  display:flex;flex-direction:column;gap:12px;min-height:230px;
}
.card-idx{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--cyan)}
.card-h{font-family:var(--font-disp);font-weight:700;font-size:24px;color:var(--ink);text-transform:uppercase;letter-spacing:-.01em}
.card-b{font-size:14px;line-height:1.4;color:var(--body);flex:1}
.card .pill.tag{align-self:flex-start}

/* ---- boost gauge ---- */
.gauge-sec{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,96px);align-items:center}
.gauge{width:min(46vw,420px);height:auto;margin-inline:auto}
.g-face{fill:var(--gunmetal);stroke:var(--steel-line);stroke-width:2}
.g-face-inner{fill:none;stroke:var(--cyan);stroke-width:1;opacity:.25}
.tick{stroke:var(--steel-line);stroke-width:2}
.tick.major{stroke:var(--cyan)}
.needle{stroke:var(--redline);stroke-width:5;stroke-linecap:round}
.needle-hub{fill:var(--ink)}
.g-read{font-family:var(--font-disp);font-weight:900;font-size:66px;fill:var(--ink);font-variant-numeric:tabular-nums}
.g-unit{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;fill:var(--dim)}

/* ---- marquee ---- */
.marquee{overflow:hidden;padding:22px 0;border-block:1px solid var(--steel-line);background:var(--carbon)}
.marquee-track{display:flex;gap:26px;white-space:nowrap;width:max-content;animation:slide 22s linear infinite}
.marquee-track span{font-family:var(--font-disp);font-weight:900;font-stretch:125%;font-size:clamp(28px,4vw,58px);text-transform:uppercase;color:var(--ink);letter-spacing:-.01em}
.marquee-track .dot{color:var(--cyan)}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---- buy ---- */
.buy{max-width:900px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:24px}
.capture{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:6px}
.pill-input{
  font-family:var(--font-mono);font-size:14px;
  background:var(--gunmetal);border:1px solid var(--steel-line);
  border-radius:9999px;padding:13px 22px;color:var(--ink);min-width:280px;
  transition:border-color .3s;
}
.pill-input::placeholder{color:var(--dim)}
.pill-input:focus{outline:none;border-color:var(--cyan)}

/* ---- footer + dock ---- */
.footer{max-width:var(--maxw);margin:0 auto;display:flex;align-items:baseline;justify-content:space-between;gap:20px;padding-block:40px}
.foot-meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--dim);text-transform:uppercase}
.dock{
  position:fixed;right:22px;bottom:22px;z-index:25;
  width:52px;height:52px;border-radius:9999px;
  border:1px solid var(--cyan);color:var(--cyan);background:color-mix(in srgb,var(--graphite) 70%,transparent);
  backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;font-size:20px;
  transition:background .3s,color .3s;
}
.dock:hover{background:var(--cyan);color:var(--carbon)}

/* ---- reveal state for split text ---- */
.word{display:inline-block;overflow:hidden;vertical-align:top}
.word > span{display:inline-block;transform:translateY(105%)}

/* ---- responsive ---- */
@media(max-width:860px){
  .nav-links .pill.ghost{display:none}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px 12px}
  .anatomy,.gauge-sec{grid-template-columns:1fr;gap:40px}
  .cards{grid-template-columns:1fr}
  .hero-stage{margin-top:12px}
  .turbo{width:min(80vw,420px)}
}
@media(prefers-reduced-motion:reduce){
  .marquee-track{animation:none}
  *{scroll-behavior:auto}
}