.deck-shell{min-height:100vh;background:var(--bg);color:var(--text);display:flex;flex-direction:column;position:relative;overflow:hidden}.deck-shell:before{content:"";position:fixed;inset:0;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='256' height='256'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");opacity:.02;pointer-events:none;z-index:0}.deck-topbar{position:fixed;top:0;left:0;right:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:18px 28px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim);font-weight:500;background:linear-gradient(180deg,#0a0a0cf2,#0a0a0c00);pointer-events:none}.deck-topbar a,.deck-topbar button{pointer-events:auto}.deck-topbar__brand{display:inline-flex;align-items:center;gap:10px}.deck-topbar__brand .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px #b9a7e099}.deck-topbar__brand a{color:var(--text-dim);transition:color .18s}.deck-topbar__brand a:hover{color:var(--text)}.deck-topbar__counter{font-family:var(--font-mono);letter-spacing:.08em;color:var(--text-muted)}.deck-topbar__back{background:transparent;border:1px solid var(--border);color:var(--text-muted);padding:7px 14px;border-radius:999px;font-family:var(--font-sans);font-size:11px;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:all .18s;text-decoration:none;display:inline-flex;align-items:center;gap:6px}.deck-topbar__back:hover{border-color:var(--accent);color:var(--text);background:var(--accent-soft)}.deck-topbar__back .arr{font-family:var(--font-serif);font-style:italic}.deck-progress{position:fixed;top:0;left:0;height:2px;background:var(--accent);box-shadow:0 0 10px #b9a7e080;z-index:40;transition:width .4s cubic-bezier(.22,1,.36,1);width:0%}.deck-stage{flex:1;display:flex;align-items:center;justify-content:center;padding:96px 5vw 72px;position:relative;z-index:1}.slide{max-width:1100px;width:100%;display:none;position:relative}.slide.active{display:block;animation:slide-in .5s cubic-bezier(.22,1,.36,1)}@keyframes slide-in{0%{opacity:0;transform:translateY(8px);filter:blur(6px)}to{opacity:1;transform:translateY(0);filter:blur(0)}}.slide__eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:20px;display:block}.slide__title{font-family:var(--font-serif);font-size:clamp(36px,5.5vw,72px);font-weight:400;line-height:1.05;letter-spacing:-.022em;margin:0 0 28px;color:var(--text)}.slide__title em{font-style:italic;color:var(--accent)}.slide__lede{font-family:var(--font-serif);font-size:clamp(20px,2.2vw,28px);line-height:1.4;font-style:italic;color:var(--text-muted);max-width:30ch;margin:0 0 24px;border-left:2px solid var(--accent);padding-left:22px;background:linear-gradient(90deg,var(--accent-soft),transparent 70%)}.slide__body{font-size:clamp(17px,1.4vw,21px);line-height:1.6;color:var(--text-muted);max-width:65ch}.slide__body p{margin:0 0 18px;max-width:65ch}.slide__body strong{color:var(--text);font-weight:600}.slide__body em{color:var(--accent);font-style:italic;font-family:var(--font-serif);font-size:1.05em}.slide__bullets{list-style:none;padding:0;margin:0;font-size:clamp(17px,1.4vw,22px);line-height:1.55;color:var(--text)}.slide__bullets li{padding:14px 0 14px 36px;position:relative;border-bottom:1px solid var(--border);letter-spacing:-.005em}.slide__bullets li:last-child{border-bottom:none}.slide__bullets li:before{content:counter(s,decimal-leading-zero);counter-increment:s;position:absolute;left:0;font-family:var(--font-mono);font-size:12px;color:var(--accent);letter-spacing:.06em;top:19px}.slide__bullets{counter-reset:s}.slide__bullets li small{display:block;font-size:14px;color:var(--text-dim);font-weight:400;letter-spacing:-.005em;margin-top:4px;font-family:var(--font-sans)}.slide__quote{font-family:var(--font-serif);font-size:clamp(28px,3.6vw,48px);line-height:1.18;font-style:italic;color:var(--text);border-left:3px solid var(--accent);padding:8px 0 8px 32px;background:linear-gradient(90deg,var(--accent-soft),transparent 60%);border-radius:4px;max-width:28ch}.slide__quote-cite{display:block;font-style:normal;font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;color:var(--text-dim);margin-top:22px;padding-left:32px;text-transform:uppercase}.slide__code{background:var(--bg-elev-2);border:1px solid var(--border);border-radius:12px;padding:24px 28px;font-family:var(--font-mono);font-size:clamp(13px,1vw,16px);line-height:1.6;color:var(--text);white-space:pre-wrap;overflow-x:auto;margin:0;max-height:56vh}.slide__split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}@media(max-width:800px){.slide__split{grid-template-columns:1fr;gap:28px}}.slide__meta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.slide__pill{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;background:var(--card);border:1px solid var(--border);border-radius:999px;font-size:13px;color:var(--text-muted);letter-spacing:-.005em}.slide__pill b{font-family:var(--font-serif);color:var(--accent);font-style:italic;font-weight:400}.slide--cover{text-align:left}.slide--cover .slide__title{font-size:clamp(48px,7vw,96px);max-width:14ch}.slide--cover .slide__sub{font-family:var(--font-sans);font-size:clamp(15px,1.2vw,20px);color:var(--text-muted);max-width:50ch;letter-spacing:-.005em;line-height:1.5}.slide--end .slide__title{font-size:clamp(40px,5.5vw,72px)}.slide--end .end-stack{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-top:28px;max-width:720px}.slide--end .end-stack a{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;display:block;transition:all .18s}.slide--end .end-stack a:hover{border-color:var(--accent);background:var(--card-hover)}.slide--end .end-stack span:first-child{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--accent);text-transform:uppercase;margin-bottom:6px}.slide--end .end-stack span:last-child{display:block;font-family:var(--font-sans);font-size:15px;color:var(--text)}.deck-controls{position:fixed;bottom:0;left:0;right:0;z-index:30;display:flex;justify-content:space-between;align-items:center;padding:18px 28px;background:linear-gradient(0deg,#0a0a0ceb,#0a0a0c00);pointer-events:none}.deck-controls__hint{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);pointer-events:auto}.deck-controls__hint kbd{display:inline-block;background:var(--card);border:1px solid var(--border);padding:3px 8px;border-radius:6px;font-family:var(--font-mono);font-size:11px;letter-spacing:0;color:var(--text);margin:0 4px}.deck-controls__nav{display:inline-flex;align-items:center;gap:10px;pointer-events:auto}.deck-controls__btn{background:var(--card);border:1px solid var(--border);color:var(--text-muted);width:40px;height:40px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .18s;font-family:var(--font-serif);font-size:18px;font-style:italic}.deck-controls__btn:hover:not(:disabled){background:var(--accent-soft);border-color:var(--accent);color:var(--accent-strong)}.deck-controls__btn:disabled{opacity:.3;cursor:not-allowed}.decks-index{padding:120px 24px 96px;max-width:1140px;margin:0 auto}.decks-index .hero-line{font-family:var(--font-serif);font-size:clamp(36px,5vw,64px);margin:0 0 18px;line-height:1.05;letter-spacing:-.022em;font-weight:400}.decks-index .hero-line em{font-style:italic;color:var(--accent)}.decks-index .hero-sub{color:var(--text-muted);font-size:18px;max-width:56ch;margin:0 0 56px}.decks-index .group-head{display:flex;align-items:baseline;gap:16px;margin:56px 0 24px;padding-bottom:14px;border-bottom:1px solid var(--border)}.decks-index .group-head h2{font-family:var(--font-serif);font-size:26px;font-weight:400;margin:0;letter-spacing:-.015em}.decks-index .group-head .meta{margin-left:auto;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim)}.decks-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.deck-link{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px 22px;text-decoration:none;color:var(--text);transition:all .2s;display:flex;flex-direction:column;gap:8px}.deck-link:hover{border-color:var(--accent);background:var(--card-hover);transform:translateY(-2px)}.deck-link .num{font-family:var(--font-serif);font-style:italic;font-size:13px;color:var(--accent);letter-spacing:.04em}.deck-link .title{font-family:var(--font-sans);font-size:17px;line-height:1.3;letter-spacing:-.01em;color:var(--text);font-weight:500}.deck-link .meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--text-dim);margin-top:auto}@media(max-width:720px){.deck-topbar{padding:14px 18px}.deck-stage{padding:80px 22px}.deck-controls{padding:14px 18px}.deck-controls__hint{display:none}.slide__title{font-size:30px}.slide--cover .slide__title{font-size:38px}.slide__lede{font-size:17px;padding-left:14px}.slide__bullets li{padding-left:30px;font-size:16px}}@media(prefers-reduced-motion:reduce){.slide.active{animation:none!important}.deck-progress{transition:none!important}.deck-link:hover,.stat:hover,.card:hover{transform:none!important}}@media(max-width:720px){.deck-controls__hint{display:inline-flex!important;font-size:9px;letter-spacing:.08em}.deck-controls__hint kbd{padding:2px 5px;font-size:9px}.deck-controls__hint .hide-mobile{display:none}.decks-list{grid-template-columns:1fr}.deck-link{padding:16px 18px}}