:root{--ink-0: #07080c;--ink-1: #0e1017;--ink-2: #151823;--ink-3: #1d2130;--line: #262b3c;--text: #eceef4;--muted: #8c93a8;--live: #c3f75e;--live-ink: #0b1004;--live-glow: rgba(195, 247, 94, .18);--dep: #ff7a59;--warn: #ffb547;--modern: #9b8cff;--legacy: #ffb547;--core: #c3f75e;--paper: #f5f2ea;--paper-2: #ffffff;--paper-ink: #12131a;--paper-muted: #5c6070;--paper-line: #e2ddd1;--display: "Space Grotesk", Inter, system-ui, sans-serif;--sans: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;--mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;--r: 14px;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(1200px 600px at 85% -10%,rgba(155,140,255,.12),transparent 60%),radial-gradient(900px 500px at -10% 10%,rgba(195,247,94,.07),transparent 60%),var(--ink-0);color:var(--text);font:16px/1.6 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var(--sans);cursor:pointer;text-decoration:none;transition:transform .12s,box-shadow .2s,background .2s}.btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 30px var(--live-glow)}.btn:disabled{opacity:.45;cursor:default}.btn.small{padding:7px 14px;font-size:14px}.btn.big{padding:15px 24px;font-size:16px}.btn.ghost{background:transparent;color:var(--text);border-color:var(--line)}.btn.ghost:hover{border-color:var(--muted);box-shadow:none}.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:24px;padding:14px max(20px,calc((100% - 1120px)/2));-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#07080cb8;border-bottom:1px solid rgba(38,43,60,.6)}.logo{font-family:var(--mono);font-weight:700;font-size:18px;text-decoration:none;letter-spacing:-.02em}.logo.small{font-size:15px}.logo-at{color:var(--muted)}.logo-un{color:var(--live)}.nav-links{display:flex;gap:22px;margin-left:auto;font-size:14px}.nav-links a{color:var(--muted);text-decoration:none}.nav-links a:hover{color:var(--text)}.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:72px}.eyebrow{display:inline-block;max-width:100%;font-family:var(--mono);font-size:13px;line-height:1.5;color:var(--warn);background:#ffb54714;border:1px solid rgba(255,181,71,.25);padding:6px 14px;border-radius:12px;margin:0 0 22px}.warn-ic{margin-right:6px}.dep-api{color:var(--text);font-size:inherit;text-decoration:line-through;text-decoration-color:var(--dep);text-decoration-thickness:2px}.lede{font-size:1.15rem;color:var(--muted);max-width:560px;margin:0 0 28px}.cta{display:flex;gap:12px;flex-wrap:wrap}.facts{list-style:none;padding:0;margin:32px 0 0;display:flex;gap:28px;color:var(--muted);font-size:14px;flex-wrap:wrap}.facts strong{display:block;font-family:var(--display);font-size:1.6rem;color:var(--text)}.term{background:linear-gradient(180deg,#0f121b,#0b0d14);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 40px 120px #0000008c,0 0 0 1px #ffffff05 inset,0 0 80px #c3f75e0d;font-family:var(--mono);font-size:13.5px}.term-bar{display:flex;align-items:center;gap:7px;padding:12px 14px;border-bottom:1px solid var(--line);background:#ffffff05}.dot{width:11px;height:11px;border-radius:50%;display:inline-block}.dot.r{background:#ff5f57}.dot.y{background:#febc2e}.dot.g{background:#28c840}.term-title{margin-left:10px;color:var(--muted);font-size:12px}.term-body{padding:18px 18px 22px;min-height:300px}.tl{white-space:pre-wrap;padding:2px 0}.ps{color:var(--live);margin-right:8px}.hl{color:var(--live)}.dim{color:var(--muted)}.skill{display:grid;grid-template-columns:64px 1fr auto;gap:10px;align-items:baseline;animation:fadein .35s ease}.skill .badge{font-weight:700}.skill.warn .badge{color:var(--warn)}.skill.ok .badge{color:var(--live)}.skill .sk{transition:color .3s}.skill.warn .sk{color:#c8ccd8}.skill.ok .sk{color:var(--text)}.skill 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li:before{content:"✕";position:absolute;left:0;color:var(--dep)}.col.good{border-color:#c3f75e59;background:linear-gradient(180deg,rgba(195,247,94,.06),var(--ink-1))}.col.good h3{color:var(--live)}.col.good li:before{content:"✓";position:absolute;left:0;color:var(--live)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:36px 0 28px}.step{padding:24px;border-radius:var(--r);background:var(--ink-1);border:1px solid var(--line)}.step p{color:var(--muted);margin:0}.num{font-family:var(--mono);color:var(--live);font-size:13px;display:block;margin-bottom:18px}.formats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.format{background:var(--ink-1);border:1px solid var(--line);border-radius:var(--r);padding:18px;transition:border-color .2s,transform .2s}.format:hover{border-color:#c3f75e66;transform:translateY(-2px)}.format-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.format h3{margin:0;font-size:1rem}.format pre{margin:14px 0 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h3{color:var(--c);font-size:1.4rem;margin-bottom:4px}.era-line{font-weight:600;margin:0 0 10px}.era p{color:var(--muted)}.era-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}.era-tags code{font-size:11.5px;border:1px solid var(--line);border-radius:6px;padding:3px 8px;color:#c8ccd8;background:var(--ink-0)}.try{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:start}.demo-start{width:100%;min-height:240px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:12px;background:var(--ink-1);border:1px dashed rgba(195,247,94,.45);border-radius:16px;padding:32px;font:500 18px var(--mono);color:var(--text);cursor:pointer;transition:background .2s,border-color .2s}.demo-start:hover{background:var(--ink-2);border-color:var(--live)}.demo-start .press{font:600 14px var(--sans);color:var(--live)}.card{background:var(--ink-1);border:1px solid var(--line);border-radius:16px;padding:22px}.demo{box-shadow:0 30px 80px #0006}.demo 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var(--dep)}.ln{display:inline-block;width:2.2em;color:#4b5270;-webkit-user-select:none;user-select:none}.choices{display:grid;gap:8px}.choice{text-align:left;background:var(--ink-0);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:11px 14px;cursor:pointer;transition:border-color .15s}.choice:hover:not(:disabled){border-color:var(--live)}.choice code{white-space:pre-wrap;word-break:break-word;font-size:13px}.parsons{list-style:none;padding:0;margin:0 0 14px;display:grid;gap:6px}.parsons li{display:flex;justify-content:space-between;align-items:center;background:var(--ink-0);border:1px solid var(--line);border-radius:10px;padding:8px 12px;gap:8px}.parsons code{overflow-x:auto;font-size:13px}.parsons button{background:var(--ink-3);color:var(--text);border:0;border-radius:6px;width:30px;height:30px;margin-left:4px;cursor:pointer}.feedback{margin-top:16px;padding:14px 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button.on{background:var(--ink-3);color:var(--text)}.err{color:var(--dep);margin:0}.ok-msg{color:var(--live);font-weight:500}.paper{background:var(--paper);color:var(--paper-ink);padding:96px 0;color-scheme:light}.paper h2{color:var(--paper-ink)}.teams-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}.checks{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:14px}.checks li{position:relative;padding-left:30px;color:var(--paper-muted)}.checks li strong{color:var(--paper-ink)}.checks li:before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:6px;background:var(--paper-ink);color:var(--live);font-size:12px;display:grid;place-items:center}.muted-ink{color:var(--paper-muted);font-size:13px}.mock{position:relative;padding:50px 10px 70px}.mock-win{background:var(--paper-2);border:1px solid var(--paper-line);border-radius:16px;padding:20px;box-shadow:0 30px 70px #1e190a1f}.mock-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px;gap:10px;flex-wrap:wrap}.board{width:100%;border-collapse:collapse;font-size:14px}.board th{text-align:left;font-weight:500;color:var(--paper-muted);font-size:12px;padding:6px 4px;border-bottom:1px solid var(--paper-line)}.board td{padding:9px 4px;border-bottom:1px solid #f0ece2}.board .up{color:#3f7d10;font-family:var(--mono);font-size:13px}.pips{display:inline-flex;gap:4px}.pips i{width:16px;height:8px;border-radius:3px;background:#e7e2d6;display:inline-block}.pips i.on{background:#84cc16}.heat{margin-top:16px}.heat-title{font-size:12px;color:var(--paper-muted);margin-bottom:8px}.heat-row{display:grid;grid-template-columns:96px repeat(5,1fr);gap:4px;align-items:center;font-size:12.5px;margin-bottom:4px}.heat-row i{height:16px;border-radius:4px;display:block}.h1{background:#fde7d9}.h2{background:#f2f0c9}.h3{background:#d9f2a8}.h4{background:#a8e05a}.toast{position:absolute;display:flex;gap:12px;align-items:center;background:var(--paper-ink);color:#fff;border-radius:12px;padding:12px 16px;box-shadow:0 20px 50px #00000040;font-size:13px;max-width:300px;animation:float 6s ease-in-out infinite}.toast strong{display:block;font-size:14px}.toast span{color:#b5b9c7}.toast .ti{font-size:18px}.toast.t1{right:-18px;top:-52px;border-left:3px solid var(--warn)}.toast.t2{left:-14px;bottom:6px;border-left:3px solid var(--live);animation-delay:-3s}@keyframes float{50%{transform:translateY(-6px)}}.stack-row{display:grid;grid-template-columns:130px 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details{border-bottom:1px solid var(--line);padding:18px 0;max-width:820px}.faq summary{cursor:pointer;font:600 1.08rem var(--display);list-style:none;display:flex;justify-content:space-between;gap:16px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-family:var(--mono);color:var(--live)}.faq details[open] summary:after{content:"−"}.faq details p{color:var(--muted);margin:12px 0 0}.faq h2{margin-bottom:20px}.join{display:grid;grid-template-columns:1.2fr 1fr;gap:18px}.join-card{background:linear-gradient(160deg,rgba(195,247,94,.1),var(--ink-1) 55%);border:1px solid rgba(195,247,94,.35);border-radius:18px;padding:34px}.join-card.alt{background:var(--ink-1);border-color:var(--line)}.join-card .btn.ghost{color:var(--live);border-color:#c3f75e80}.footer{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-top:32px;padding-bottom:48px;border-top:1px solid var(--line);font-size:14px}@media(max-width:960px){.hero,.try,.teams-grid,.join{grid-template-columns:1fr}.hero{padding-top:40px;gap:36px}.steps,.eras,.pricing{grid-template-columns:1fr}.formats{grid-template-columns:repeat(2,1fr)}.contrast{grid-template-columns:1fr}}@media(max-width:640px){.nav-links{display:none}.nav{justify-content:space-between}.section{padding:64px 16px}.wrap{padding-left:16px;padding-right:16px}.formats{grid-template-columns:1fr}.stack-row{grid-template-columns:1fr;gap:8px}.term{font-size:12px}.skill{grid-template-columns:56px 1fr}.skill .meta{grid-column:2}.toast{position:static;margin-top:10px;max-width:none;animation:none}.mock{padding:0}.paper{padding:64px 0}.join-card{padding:24px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}html{scroll-behavior:auto}}.hp{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}.ts:empty{display:none}.link{background:none;border:0;padding:0;color:var(--live);text-decoration:underline;cursor:pointer;font:inherit}