:root{
  --bg:#08090b; --panel:#0e1116; --panel2:#12161c; --line:#1d242d;
  --ink:#e8eef5; --dim:#8695a6; --dim2:#5d6b7a;
  --acc:#7fd4ff; --acc2:#39d98a; --warn:#ffb347; --hot:#ff5470;
  --mono:"SFMono-Regular",ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:44px 44px}
.wrap{position:relative;z-index:1;max-width:1180px;margin:0 auto;padding:0 20px}

/* top bar */
.bar{position:sticky;top:0;z-index:20;background:rgba(8,9,11,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;gap:18px;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.14em}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--acc2);box-shadow:0 0 12px var(--acc2)}
.nav{margin-left:auto;display:flex;gap:22px;font-size:13px;color:var(--dim);font-family:var(--mono)}
.nav a:hover{color:var(--ink)}
.chain{font-family:var(--mono);font-size:11px;color:var(--dim2);border:1px solid var(--line);padding:4px 8px;border-radius:99px}

/* hero */
.hero{padding:64px 0 30px}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--acc);text-transform:uppercase}
h1{font-size:clamp(34px,6vw,66px);line-height:1.02;margin:14px 0 12px;letter-spacing:-.02em}
h1 em{font-style:normal;color:var(--acc)}
.lede{color:var(--dim);max-width:680px;font-size:16px;line-height:1.6}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill{font-family:var(--mono);font-size:11.5px;color:var(--dim);border:1px solid var(--line);background:var(--panel);padding:6px 10px;border-radius:8px}
.pill b{color:var(--ink)}

/* grid */
.grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;margin:26px 0 40px}
@media(max-width:900px){.grid{grid-template-columns:1fr}}
.panel{background:linear-gradient(180deg,var(--panel),#0b0e12);border:1px solid var(--line);border-radius:14px;padding:18px}
.panel h3{margin:0 0 14px;font-size:13px;font-family:var(--mono);letter-spacing:.14em;color:var(--dim);text-transform:uppercase}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stat b{display:block;font-size:20px;font-family:var(--mono)}
.stat span{font-size:11px;color:var(--dim2);font-family:var(--mono);letter-spacing:.1em}
canvas#curve{width:100%;height:190px;display:block;margin-top:6px}
.legend{display:flex;gap:16px;font-family:var(--mono);font-size:11px;color:var(--dim2);margin-top:8px}

/* swap */
.seg{display:flex;gap:6px;background:#0a0d11;border:1px solid var(--line);border-radius:10px;padding:4px;width:max-content}
.seg button{background:transparent;border:0;color:var(--dim);font-family:var(--mono);font-size:12px;padding:7px 16px;border-radius:7px;cursor:pointer}
.seg button.on{background:var(--panel2);color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}
.field{margin-top:14px;background:#0a0d11;border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.field .lab{font-family:var(--mono);font-size:11px;color:var(--dim2);letter-spacing:.1em;display:flex;justify-content:space-between}
.field input{width:100%;background:transparent;border:0;color:var(--ink);font-size:26px;font-family:var(--mono);outline:none;padding:6px 0 0}
.slider{width:100%;margin:14px 0 4px;accent-color:var(--acc2)}
.btn{width:100%;margin-top:14px;padding:14px;border-radius:10px;border:1px solid #1f4d3a;background:linear-gradient(180deg,#173a2b,#0f2a20);color:#bdf5d8;font-weight:700;font-size:15px;cursor:pointer}
.btn:hover{filter:brightness(1.15)}
.btn.off{border-color:var(--line);background:#0d1116;color:var(--dim2);cursor:not-allowed}
.note{font-family:var(--mono);font-size:11px;color:var(--dim2);margin-top:10px;line-height:1.7}
.kv{display:flex;justify-content:space-between;font-family:var(--mono);font-size:12px;color:var(--dim);padding:5px 0;border-bottom:1px dashed #171d24}
.kv:last-child{border-bottom:0}
.kv b{color:var(--ink)}

/* gallery */
section{margin:56px 0}
h2{font-size:26px;margin:0 0 8px;letter-spacing:-.01em}
.sub{color:var(--dim);font-size:14.5px;line-height:1.65;max-width:760px}
.cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:22px}
@media(max-width:1080px){.cards{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){.cards{grid-template-columns:repeat(2,1fr)}}
.card{background:linear-gradient(180deg,var(--panel),#0a0d11);border:1px solid var(--line);border-radius:14px;padding:12px;transition:.2s}
.card:hover{border-color:#2b3641;transform:translateY(-2px)}
.art{background:radial-gradient(120% 90% at 50% 20%,#10151b,#080a0d 70%);border-radius:10px;overflow:hidden}
.rig{width:100%;height:auto;display:block}
.meta{margin-top:10px}
.meta .row{display:flex;align-items:center;gap:8px}
.meta b{font-size:13.5px}
.tag{margin-left:auto;font-family:var(--mono);font-size:10px;color:var(--dim2);border:1px solid var(--line);padding:2px 6px;border-radius:6px}
.meta .sub{font-family:var(--mono);font-size:10.5px;color:var(--dim2);margin-top:6px;line-height:1.5;max-width:none}
.toggle{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;color:var(--dim);margin-top:16px}
.switch{width:46px;height:24px;border-radius:99px;background:#141a21;border:1px solid var(--line);position:relative;cursor:pointer}
.switch i{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:var(--dim2);transition:.18s}
.switch.on{background:#10251c;border-color:#2a6a4d}
.switch.on i{left:24px;background:var(--acc2);box-shadow:0 0 12px var(--acc2)}

/* steps + tables */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}
.step .n{font-family:var(--mono);font-size:11px;color:var(--acc)}
.step h4{margin:8px 0 6px;font-size:15px}
.step p{margin:0;color:var(--dim);font-size:13.5px;line-height:1.6}
table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12.5px;margin-top:16px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
th{color:var(--dim2);font-weight:400;font-size:11px;letter-spacing:.1em;text-transform:uppercase}
td b{color:var(--acc2)}
.safe{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
@media(max-width:760px){.safe{grid-template-columns:1fr}}
.safe div{background:#0b0f13;border:1px solid var(--line);border-left:2px solid var(--acc2);border-radius:10px;padding:14px;font-size:13.5px;color:var(--dim)}
.safe b{color:var(--ink);display:block;margin-bottom:4px}
footer{border-top:1px solid var(--line);margin-top:60px;padding:26px 0 60px;font-family:var(--mono);font-size:11.5px;color:var(--dim2);display:flex;gap:18px;flex-wrap:wrap}

/* fan spin */
.fan{transform-box:fill-box;transform-origin:center;animation:spin 1.15s linear infinite}
.is-dark .fan{animation-duration:2.4s}
@keyframes spin{to{transform:rotate(360deg)}}
.lcd{font-family:var(--mono);font-size:7.5px;letter-spacing:.06em}
.rigid{font-family:var(--mono);font-size:7px;fill:#4a5765}
.is-lit{filter:drop-shadow(0 0 14px rgba(127,212,255,.10))}
.pulse{animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{50%{opacity:.72}}
.banner{background:#1a1305;border:1px solid #3d2c07;color:var(--warn);font-family:var(--mono);font-size:11.5px;padding:9px 12px;border-radius:9px;margin-bottom:16px}
/* image art */
.art{position:relative;background:#080a0d;aspect-ratio:1/1}
.art img{width:100%;height:100%;object-fit:cover;display:block;transition:.25s}
.card:hover .art img{transform:scale(1.035)}
.plate{position:absolute;right:7px;bottom:7px;font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;
  color:#9fb0c2;background:rgba(6,8,11,.82);border:1px solid #222a33;border-radius:5px;padding:2.5px 6px;backdrop-filter:blur(4px)}
.art .glow{position:absolute;inset:0;pointer-events:none;opacity:0;transition:.3s;
  background:radial-gradient(60% 45% at 50% 62%,rgba(127,212,255,.20),transparent 70%)}
.art.is-lit .glow{opacity:1}
.art .badge{position:absolute;left:7px;top:7px;font-family:var(--mono);font-size:9px;letter-spacing:.14em;
  padding:2.5px 6px;border-radius:5px;border:1px solid #222a33;background:rgba(6,8,11,.8);color:var(--dim2)}
.art.is-lit .badge{color:#8ff5c0;border-color:#245c42}