/* ---------- Hero ---------- */
.hero{padding-block:clamp(44px,8vw,100px) clamp(56px,8vw,96px);display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,64px);align-items:center}
.hero > *{min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 8px;border:1px solid var(--line);border-radius:999px;background:color-mix(in srgb,var(--surface) 55%,transparent);font-size:13px;color:var(--muted);font-weight:500}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px transparent}}
h1{font-family:var(--f-display);font-weight:600;font-size:clamp(34px,5vw,72px);line-height:.95;white-space:nowrap;letter-spacing:-.03em;margin:22px 0 24px;text-transform:uppercase;text-wrap:balance}
h1 .soft{display:block;white-space:normal;text-transform:none;font-size:.64em;line-height:1.1;letter-spacing:-.02em;margin-top:.26em;background:linear-gradient(100deg,var(--text) 10%,color-mix(in srgb,var(--text) 40%,var(--accent)) 55%,var(--muted) 95%);-webkit-background-clip:text;background-clip:text;color:transparent}
.nm{display:inline-block;cursor:default;-webkit-tap-highlight-color:transparent}
.nm .ch{display:inline-block;color:var(--text);-webkit-text-stroke:1.5px transparent;
  transition:color .45s var(--ease) calc(var(--i) * 38ms),-webkit-text-stroke-color .45s var(--ease) calc(var(--i) * 38ms),text-shadow .6s ease calc(var(--i) * 38ms)}
.nm:hover .ch,.nm.on .ch{color:transparent;-webkit-text-stroke-color:color-mix(in srgb,var(--text) 75%,var(--accent));text-shadow:0 0 22px var(--neon-far);animation:wave .8s var(--ease) calc(var(--i) * 38ms) both}
@keyframes wave{0%{transform:none}35%{transform:translateY(-.12em) rotate(-2deg)}70%{transform:translateY(.02em)}100%{transform:none}}
.lede{font-size:clamp(17px,1.6vw,19px);color:var(--muted);max-width:36ch;margin:0 0 30px;text-wrap:pretty}
.lede strong{color:var(--text);font-weight:600}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.btn{position:relative;display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 22px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid var(--line-2);cursor:pointer;background:none;transition:transform .3s var(--ease),box-shadow .3s,background .3s,border-color .3s,color .3s;overflow:hidden}
.btn svg{width:16px;height:16px;transition:transform .3s}
.btn:hover{transform:translateY(-2px)}
.btn:hover svg.arrow{transform:translate(2px,-2px)}
.btn:hover svg.down{transform:translateY(2px)}
.btn-primary{background:var(--text);color:var(--bg);border-color:transparent;box-shadow:0 10px 30px -10px color-mix(in srgb,var(--text) 50%,transparent)}
.btn-primary::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.28) 50%,transparent 70%);transform:translateX(-120%);transition:transform .8s}
.btn-primary:hover::after{transform:translateX(120%)}
.ibtn{position:relative;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;border:1px solid var(--line-2);background:color-mix(in srgb,var(--surface) 60%,transparent);color:var(--text);transition:transform .3s var(--ease),border-color .3s,background .3s,color .3s,box-shadow .3s}
.ibtn svg{width:20px;height:20px}
.ibtn:hover{transform:translateY(-2px);border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 5px var(--accent-soft)}
.ibtn::after{content:attr(data-tip);position:absolute;left:50%;bottom:calc(100% + 10px);transform:translate(-50%,6px);padding:5px 10px;border-radius:8px;background:var(--text);color:var(--bg);font-size:12px;font-weight:700;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .25s,transform .3s var(--ease)}
.ibtn:hover::after,.ibtn:focus-visible::after{opacity:1;transform:translate(-50%,0)}
.btn-ghost{background:color-mix(in srgb,var(--surface) 60%,transparent);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent)}
html.js:not(.ready) .hero-copy > *,html.js:not(.ready) .stack-wrap{opacity:0}
html.ready .hero-copy > *{animation:enter .9s var(--ease) both}
html.ready .hero-copy > *:nth-child(2){animation-delay:.08s}
html.ready .hero-copy > *:nth-child(3){animation-delay:.16s}
html.ready .hero-copy > *:nth-child(4){animation-delay:.24s}
html.ready .stack-wrap{animation:enter 1.1s .2s var(--ease) both}
@keyframes enter{from{opacity:0;transform:translateY(22px);filter:blur(6px)}}

/* ---------- Stack visual ---------- */
.stack-wrap{max-width:100%;display:grid;justify-items:center;gap:18px}
.stack-box{--s:1;width:calc(460px * var(--s));height:calc(340px * var(--s));max-width:100%}
.stack{position:relative;width:460px;height:340px;transform:scale(var(--s));transform-origin:top left}
.layer{position:absolute;left:36px;width:220px;height:220px;transition:transform .5s var(--ease)}
.layer.l1{top:-30px;z-index:3}.layer.l2{top:60px;z-index:2}.layer.l3{top:150px;z-index:1}
.plane{position:absolute;inset:0;border-radius:22px;transform:rotateX(60deg) rotateZ(-45deg);
  background:linear-gradient(135deg,var(--plane-a),var(--plane-b));border:1px solid var(--line-2);
  box-shadow:0 30px 50px -20px rgba(10,20,40,.35),inset 0 1px 0 rgba(255,255,255,.12);overflow:hidden;transition:box-shadow .5s,border-color .5s}
.plane::after{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:22px 22px}
.layer:hover{transform:translateY(-12px)}
.layer:hover .plane{border-color:var(--accent);box-shadow:0 40px 60px -20px rgba(10,20,40,.4),0 0 40px -6px var(--accent-soft)}
.plane .ui{position:absolute;z-index:1;border-radius:6px}
.l1 .ui.a{left:26px;top:26px;width:110px;height:14px;background:var(--accent);opacity:.75}
.l1 .ui.b{left:26px;top:52px;width:168px;height:62px;background:var(--accent-soft);border:1px solid var(--line-2)}
.l1 .ui.c{left:26px;top:126px;width:78px;height:68px;background:var(--accent-soft)}
.l1 .ui.d{left:116px;top:126px;width:78px;height:68px;background:color-mix(in srgb,var(--warm) 22%,transparent)}
.l2 .ui.r{left:26px;height:8px;border-radius:4px;background:var(--line-2)}
.l2 .ui.r1{top:40px;width:150px}.l2 .ui.r2{top:70px;width:110px;background:var(--accent);opacity:.55}.l2 .ui.r3{top:100px;width:168px}.l2 .ui.r4{top:130px;width:90px}.l2 .ui.r5{top:160px;width:130px;background:color-mix(in srgb,var(--warm) 45%,transparent)}
.l3 .ui.t{left:26px;width:168px;height:22px;border-radius:4px;border:1px solid var(--line-2);background:color-mix(in srgb,var(--surface) 30%,transparent)}
.l3 .ui.t1{top:30px;background:var(--accent-soft)}.l3 .ui.t2{top:60px}.l3 .ui.t3{top:90px}.l3 .ui.t4{top:120px}.l3 .ui.t5{top:150px}
.tag{position:absolute;left:322px;display:grid;gap:2px;padding-left:14px;border-left:1px solid var(--line-2);transition:transform .5s var(--ease)}
.tag .mono{font-size:10.5px}
.tag span:last-child{font-family:var(--f-display);font-weight:600;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.tag.t1{top:66px}.tag.t2{top:156px}.tag.t3{top:246px}
.layer.l1:hover ~ .tag.t1,.layer.l2:hover ~ .tag.t2,.layer.l3:hover ~ .tag.t3{transform:translateX(6px)}
.packet{position:absolute;left:143px;width:6px;height:6px;border-radius:50%;z-index:4;background:var(--accent);box-shadow:0 0 12px 3px var(--accent);opacity:0}
.packet.up{animation:up 2.8s cubic-bezier(.5,0,.5,1) infinite}
.packet.down{background:var(--warm);box-shadow:0 0 12px 3px var(--warm);animation:down 2.8s 1.4s cubic-bezier(.5,0,.5,1) infinite}
@keyframes up{0%{top:258px;opacity:0}15%{opacity:1}85%{opacity:1}100%{top:78px;opacity:0}}
@keyframes down{0%{top:78px;opacity:0}15%{opacity:1}85%{opacity:1}100%{top:258px;opacity:0}}
.ticker{display:flex;align-items:center;gap:10px;max-width:100%;padding:9px 14px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--surface) 60%,transparent);font-family:var(--f-mono);font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden}
.ticker .verb{color:var(--accent);font-weight:500}
.ticker .ok{color:var(--warm)}
#tick{transition:opacity .3s,transform .3s;overflow:hidden;text-overflow:ellipsis}
#tick.swap{opacity:0;transform:translateY(-6px)}