/* ---------- stage ---------- */
.stage{position:fixed;inset:0;z-index:0;background:radial-gradient(120% 90% at 50% 40%,#141416 0%,#0a0a0a 62%,#050505 100%)}
#gl{width:100%;height:100%;display:block}
.stage__vignette{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(78% 62% at 50% 48%,transparent 40%,rgba(0,0,0,.55) 100%);
  mix-blend-mode:multiply}
.hotspots,.leaders{position:absolute;inset:0;pointer-events:none}
.leaders svg{width:100%;height:100%}

/* ---------- nav ---------- */
.nav::before{content:"";position:absolute;inset:-10px 0 -34px;background:linear-gradient(180deg,rgba(8,8,9,.92),transparent);pointer-events:none;z-index:-1}
.nav{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding:18px var(--gut);mix-blend-mode:normal;
  transition:opacity .5s var(--ease),transform .5s var(--ease)}
.nav__mark{font-family:var(--f-display);font-weight:600;letter-spacing:.16em;font-size:15px}
.nav__mark span{font-family:var(--f-mono);font-size:9.5px;letter-spacing:.24em;color:var(--bone-faint);margin-left:10px}
.nav__links{display:flex;gap:26px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--bone-dim)}
.nav__links a{position:relative;padding-bottom:3px}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--amber);transition:width .35s var(--ease)}
.nav__links a:hover::after{width:100%}
.nav__meta{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.2em;color:var(--amber)}
@media (max-width:900px){.nav__links{display:none}}

/* ---------- content ---------- */
#content{position:relative;z-index:10}
.chapter{position:relative;padding:0 var(--gut);pointer-events:none}
.chapter > *{pointer-events:auto}

.chapter--hero{min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:9vh}
.hero__copy{max-width:min(1100px,92vw)}
.hero__cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.lede{margin-top:26px}
.scroll-hint{position:absolute;right:var(--gut);bottom:9vh;font-family:var(--f-mono);font-size:10px;letter-spacing:.24em;
  color:var(--bone-faint);display:flex;align-items:center;gap:12px}
.scroll-hint span{width:1px;height:52px;background:linear-gradient(var(--amber),transparent);display:block}

.chapter--split{min-height:120svh;display:grid;grid-template-columns:1fr 1fr;gap:6vw;align-items:center;padding-top:14vh;padding-bottom:14vh}
.split__right{align-self:center}
@media (max-width:960px){.chapter--split{grid-template-columns:1fr;gap:44px}}

.chapter--tall{height:340vh}
.chapter--shoot{height:420vh}
.chapter__pin{position:sticky;top:0;height:100svh;display:flex;align-items:center;justify-content:space-between;gap:4vw;pointer-events:none}
.chapter__pin > *{pointer-events:auto}
.pin__copy{max-width:min(420px,42vw);backdrop-filter:none}
.pin__copy--right{margin-left:auto;text-align:left}
.pin__copy .body{margin-top:18px}
@media (max-width:900px){
  .pin__copy{max-width:none;width:100%;margin:0;position:absolute;left:0;bottom:5vh;padding:16px 14px 18px;
    background:linear-gradient(180deg,transparent,rgba(8,8,9,.9) 22%)}
  .chapter--tall{height:300vh}
}

@media (max-width:900px){.scroll-hint{display:none}}
.hint-drag{position:absolute;bottom:8vh;right:0;font-family:var(--f-mono);font-size:10px;letter-spacing:.24em;color:var(--bone-faint)}

.chapter--exploded{padding-top:0;padding-bottom:20vh}
.exploded__intro{position:sticky;top:14vh;max-width:min(520px,44vw);z-index:2}
.exploded__intro .body{margin-top:18px}
@media (max-width:900px){.exploded__intro{position:relative;top:0;max-width:none;padding-top:12vh}}

.chapter--compare{background:linear-gradient(180deg,transparent,rgba(8,8,9,.9) 12%,rgba(8,8,9,.9) 88%,transparent);min-height:150svh;display:grid;grid-template-columns:.85fr 1.15fr;gap:5vw;align-items:center;padding-block:16vh}
@media (max-width:960px){.chapter--compare{grid-template-columns:1fr;gap:40px}}

.chapter--rigs{background:linear-gradient(180deg,transparent,rgba(8,8,9,.9) 14%,rgba(8,8,9,.9) 86%,transparent);min-height:120svh;padding-block:16vh}
.rigs__row{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;margin-top:8vh;border-top:1px solid var(--hair)}
@media (max-width:900px){.rigs__row{grid-template-columns:repeat(2,1fr)}}

.chapter--macro{background:linear-gradient(180deg,transparent,rgba(8,8,9,.92) 12%,rgba(8,8,9,.92) 88%,transparent);min-height:130svh;padding-block:16vh}
.macro__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:7vh}
@media (max-width:1100px){.macro__grid{grid-template-columns:repeat(2,1fr)}}

.chapter--specs{background:linear-gradient(180deg,transparent,rgba(8,8,9,.88) 12%,rgba(8,8,9,.88) 82%,transparent);min-height:120svh;padding-block:16vh}
.specs__table{margin-top:6vh;border-top:1px solid var(--hair)}

.chapter--final{min-height:150svh;display:flex;flex-direction:column;justify-content:center;padding-block:18vh}
.final__copy{max-width:min(1200px,94vw)}
.statrow{display:grid;grid-template-columns:repeat(3,1fr);gap:2vw;margin-bottom:12vh;border-top:1px solid var(--hair);padding-top:26px}
@media (max-width:820px){.statrow{grid-template-columns:1fr;gap:22px}}
.colophon{margin-top:44px;color:var(--bone-faint);max-width:60ch;letter-spacing:.06em;text-transform:none;line-height:1.9}

/* ---------- film strip progress ---------- */
.filmstrip{position:fixed;left:0;top:0;bottom:0;width:26px;z-index:35;pointer-events:none;
  border-right:1px solid var(--hair-2);background:linear-gradient(180deg,rgba(10,10,10,.9),rgba(10,10,10,.55))}
.filmstrip__track{position:absolute;inset:0;background-image:
  radial-gradient(circle at 7px 8px,rgba(244,241,234,.14) 0 2.2px,transparent 2.4px),
  radial-gradient(circle at 19px 8px,rgba(244,241,234,.14) 0 2.2px,transparent 2.4px);
  background-size:26px 26px;background-repeat:repeat-y;will-change:background-position}
.filmstrip__progress{position:absolute;left:11px;top:0;width:4px;height:0;background:var(--amber);box-shadow:0 0 14px var(--amber-dim)}
@media (max-width:700px){.filmstrip{width:14px}
  .filmstrip__track{background-image:radial-gradient(circle at 7px 8px,rgba(244,241,234,.14) 0 1.8px,transparent 2px);background-size:14px 22px}
  .filmstrip__progress{left:5.5px;width:3px}}
body{padding-left:26px}
@media (max-width:700px){body{padding-left:14px}}