/* Burn SOL homepage only. Everything shared (tokens, nav, buttons, cards, forms, footer, ignite, reveals) lives in assets/burn.css. */
#fx{position:fixed;inset:0;width:100vw;height:100vh;height:100lvh;z-index:0;display:none;pointer-events:none}
.fx #fx{display:block}
#gem{position:fixed;left:0;top:0;z-index:0;display:none;pointer-events:none}
.progress{display:none;position:fixed;left:0;right:0;top:0;height:3px;z-index:60;pointer-events:none}
.fx .progress{display:block}
.progress i{display:block;height:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--red),var(--ember),var(--amber))}
.card{transform-style:preserve-3d}

/* scenes: static by default, pinned in .fx */
.stick{position:relative}
.fx .hero{height:260vh}
.fx .mech{height:440vh}
.fx .record{height:200vh}
.fx .stick{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}

/* hero */
.hero .stick{display:flex;flex-direction:column;gap:36px;padding:120px var(--gut) 80px}
.hero-copy{max-width:40rem}
.hero-h{font-size:clamp(2.3rem,9.4vw,6.6rem);line-height:.95;letter-spacing:-.045em;margin:0 0 22px}
.cue{display:none}
.rm-coin{display:block;width:min(70vw,300px);height:auto}
.fx .rm-coin{display:none}
.fx .hero .stick{justify-content:flex-end;gap:0;padding:0 var(--gut) 52px}
.fx .hero-copy{will-change:transform,opacity;transform:translateY(calc(var(--p,0)*-30px));opacity:clamp(0,calc(1 - (var(--p,0) - .45)*3),1)}
.fx .hero-copy.gone{pointer-events:none}
.fx .cue{position:absolute;right:var(--gut);bottom:22px;display:none;align-items:center;gap:12px;font:500 .72rem var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--ash);opacity:clamp(0,calc(1 - var(--p,0)*6),1)}
.cue i{width:1px;height:46px;background:linear-gradient(var(--ember),transparent);animation:cue 2s ease-in-out infinite;transform-origin:0 0}
@keyframes cue{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* problem */
.problem{padding-top:96px;padding-bottom:96px}
.fx .problem{padding-top:18vh;padding-bottom:16vh}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:40px;max-width:900px}
.two{display:grid;gap:36px;margin-top:44px}
.curve{margin:0}
.curve svg{width:100%;height:auto;display:block;overflow:visible}
.curve .floor{stroke:var(--ash-d);stroke-dasharray:4 6;stroke-width:1.5}
.curve text{font:500 13px var(--mono);fill:var(--ash)}
.curve .t1{fill:var(--hot)}
#curveDot{opacity:0;filter:drop-shadow(0 0 8px #ff6a1a)}
.fx #curvePath{stroke-dasharray:1;stroke-dashoffset:1}
.fx .curve.in #curvePath{stroke-dashoffset:0;transition:stroke-dashoffset 2.4s cubic-bezier(.3,.6,.2,1)}
.fx .curve.in #curveDot{opacity:1;transition:opacity .4s}

/* mechanism */
.mech .stick{padding:96px var(--gut)}
.dots{display:none}
.steps{display:grid;gap:28px;margin-top:36px}
.step{max-width:32rem;border-left:2px solid var(--ember);padding:4px 0 4px 18px}
.step .num{font:500 .78rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin:0 0 8px}
.step h3{font-size:clamp(1.5rem,3vw,2.2rem);letter-spacing:-.03em;line-height:1.05;margin-bottom:10px}
.step p{margin:0 0 10px;color:#e2d8cf;font-size:1rem}
.rows{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:8px}
.rows li{display:grid;gap:2px;font-size:.92rem;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.04)}
.rows b{font-weight:600;color:var(--hot)}
.rows span{color:var(--ash)}
.fx .mech .stick{display:grid;grid-template-rows:auto 1fr;padding:84px var(--gut) 28px}
.fx .mech-head .mid{max-width:12ch}
.fx .dots{display:flex;list-style:none;margin:20px 0 0;padding:0;gap:8px}
.dots li{width:34px;height:4px;border-radius:2px;background:rgba(255,255,255,.16);transition:background .4s,width .4s}
.dots li.on{background:var(--ember);width:60px}
.fx .steps{display:grid;align-items:end;gap:0;margin-top:0}
.fx .step{grid-area:1/1;opacity:0;transform:translateY(26px);pointer-events:none;transition:opacity .55s,transform .55s cubic-bezier(.2,.8,.2,1);
  background:linear-gradient(rgba(8,6,5,.78),rgba(8,6,5,.78));backdrop-filter:blur(2px)}
.fx .step.on{opacity:1;transform:none;pointer-events:auto}

/* doors */
.doors{padding-top:96px;padding-bottom:96px}
.fx .doors{padding-top:16vh;padding-bottom:14vh}

/* record */
.record .stick{padding:96px var(--gut)}
.fx .record .stick{display:flex;flex-direction:column;justify-content:center;padding:84px var(--gut) 28px}
.counter{font:700 min(10.2vw,9rem)/1 var(--disp);letter-spacing:-.03em;margin:28px 0 10px;white-space:nowrap;min-height:1.1em}
.counter .reading{font:500 1rem var(--mono);color:var(--ash);letter-spacing:0}
.counter .d{display:inline-block;color:var(--text)}
.fx .counter .d{color:transparent}
.fx .counter.lit .d{animation:burnin 1.5s cubic-bezier(.2,.7,.2,1) forwards,flick 2.6s calc(var(--i)*70ms + 1.6s) infinite}
@keyframes burnin{
  0%{opacity:0;transform:translateY(.28em) scale(1.35);filter:blur(10px);color:#fff;text-shadow:0 0 40px #ff6a1a}
  35%{opacity:1;color:#ffe2b0;filter:blur(2px);text-shadow:0 0 36px #ff6a1a,0 0 70px #e23a14}
  100%{opacity:1;transform:none;filter:none;color:var(--text);text-shadow:0 0 28px rgba(255,106,26,.45)}
}
.meta{display:grid;gap:16px;margin:0}
.meta div{padding:14px 0;border-top:1px solid var(--line)}
.meta dt{font:500 .75rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ash);margin-bottom:4px}
.meta dd{margin:0;font-size:1.05rem}
.meta a{color:var(--amber);text-underline-offset:3px;min-height:44px;display:inline-flex;align-items:center;overflow-wrap:anywhere}
.meta .when{display:block;color:var(--ash);font-size:.9rem}

/* verify */
.verify{padding-top:96px;padding-bottom:110px}
.fx .verify{padding-top:16vh;padding-bottom:18vh}

@media (min-width:820px){
  .hero .stick{flex-direction:row;align-items:center;justify-content:space-between}
  .hero-h{font-size:clamp(3rem,6.4vw,6.6rem)}
  .fx .hero .stick{justify-content:flex-start;align-items:center;padding:0 var(--gut)}
  .fx .hero-copy{max-width:min(46rem,56vw)}
  .fx .cue{display:flex}
  .two{grid-template-columns:1fr 1.1fr;gap:72px;align-items:center}
  .fx .mech .stick{grid-template-columns:minmax(0,1fr) minmax(0,1fr);padding-top:100px;padding-bottom:60px}
  .fx .mech-head,.fx .steps{grid-column:1}
  .fx .mech-head{align-self:start}
  .fx .steps{align-items:center}
  .meta{grid-template-columns:1fr 1fr;gap:40px;max-width:46rem}
}
@media (max-width:520px){
  .stats{gap:8px}
  .stat .k{font-size:.62rem}
}