:root,:root[data-theme=light]{color-scheme:light;--bg: #f7efe5;--bg-mid: #e8f5fa;--bg-end: #f4e7e2;--surface: rgba(255, 255, 255, .86);--surface-strong: rgba(255, 255, 255, .94);--border: rgba(16, 42, 67, .14);--border-strong: rgba(16, 42, 67, .26);--text: #0d2138;--text-strong: #051324;--muted: rgba(16, 42, 67, .62);--accent: #0a8aab;--accent-2: #f97316;--tone-cyan: #0a8aab;--tone-orange: #f97316;--tone-violet: #a56cff;--tone-jade: #16825d;--tone-red: #d2451e;--tone-amber: #b8860b}:root[data-theme=dark]{color-scheme:dark;--bg: #040915;--bg-mid: #050b16;--bg-end: #02050c;--surface: rgba(11, 21, 38, .86);--surface-strong: rgba(13, 24, 42, .94);--border: rgba(166, 212, 255, .16);--border-strong: rgba(166, 212, 255, .36);--text: #ebf4ff;--text-strong: #ffffff;--muted: rgba(235, 244, 255, .66);--accent: #22d3ee;--accent-2: #f97316;--tone-cyan: #22d3ee;--tone-orange: #f97316;--tone-violet: #a56cff;--tone-jade: #4edab5;--tone-red: #ff776c;--tone-amber: #f4cb73}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden;font-family:Space Grotesk,Avenir Next,Segoe UI,sans-serif;background:radial-gradient(circle at 12% 18%,rgba(34,211,238,.08),transparent 28%),radial-gradient(circle at 88% 82%,rgba(249,115,22,.08),transparent 28%),linear-gradient(180deg,var(--bg) 0%,var(--bg-mid) 48%,var(--bg-end) 100%);color:var(--text)}.deck-chrome{position:fixed;top:0;left:0;right:0;z-index:20;height:52px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:0 18px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.chrome-left{display:flex;align-items:center;gap:10px;min-width:0}.brand-mark{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#0a1524;font-weight:700;letter-spacing:.06em;font-size:.7rem;text-decoration:none}.back-link{color:var(--muted);text-decoration:none;font-size:.84rem;display:inline-flex;align-items:center;gap:6px}.back-link:hover{color:var(--text-strong)}.chrome-mid{text-align:center;overflow:hidden;display:grid;grid-template-rows:auto auto}.chrome-eyebrow{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700}.chrome-title{font-family:Space Grotesk,Avenir Next,Segoe UI,sans-serif;font-weight:700;color:var(--text-strong);font-size:.95rem;line-height:1.15;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chrome-right{display:flex;align-items:center;gap:12px}.theme-toggle{appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--muted);padding:6px 10px;border-radius:999px;font-size:.74rem;font-weight:600;letter-spacing:.06em;cursor:pointer;font-family:inherit}.theme-toggle:hover{color:var(--text-strong);border-color:var(--border-strong)}.slide-counter{font-family:DM Sans,sans-serif;font-variant-numeric:tabular-nums;font-size:.78rem;color:var(--muted);font-weight:600}.slide-counter strong{color:var(--text-strong)}.deck{height:100vh;padding-top:52px;overflow-y:scroll;scroll-snap-type:y mandatory;scroll-behavior:smooth;scrollbar-width:none}.deck::-webkit-scrollbar{display:none}.slide{height:calc(100vh - 52px);scroll-snap-align:start;scroll-snap-stop:always;display:grid;grid-template-rows:1fr;padding:0 clamp(16px,2.4vw,36px)}.slide-stage{position:relative;min-height:0;width:100%;max-width:1400px;height:100%;margin:0 auto;overflow:hidden;border-left:1px solid var(--border);border-right:1px solid var(--border);background:var(--surface);border-top:3px solid var(--tone, var(--accent));box-shadow:0 0 0 1px color-mix(in srgb,var(--tone, var(--accent)) 10%,transparent),0 18px 42px color-mix(in srgb,var(--text-strong) 10%,transparent)}.slide-stage iframe{width:100%;height:100%;display:block;border:0}.slide[data-tone=cyan]{--tone: var(--tone-cyan)}.slide[data-tone=orange]{--tone: var(--tone-orange)}.slide[data-tone=violet]{--tone: var(--tone-violet)}.slide[data-tone=jade]{--tone: var(--tone-jade)}.slide[data-tone=red]{--tone: var(--tone-red)}.slide[data-tone=amber]{--tone: var(--tone-amber)}.slide[data-tone=cyan] .slide-stage{border-color:color-mix(in srgb,var(--tone-cyan) 30%,var(--border))}.slide[data-tone=orange] .slide-stage{border-color:color-mix(in srgb,var(--tone-orange) 30%,var(--border))}.slide[data-tone=violet] .slide-stage{border-color:color-mix(in srgb,var(--tone-violet) 30%,var(--border))}.slide[data-tone=jade] .slide-stage{border-color:color-mix(in srgb,var(--tone-jade) 30%,var(--border))}.slide[data-tone=red] .slide-stage{border-color:color-mix(in srgb,var(--tone-red) 30%,var(--border))}.slide[data-tone=amber] .slide-stage{border-color:color-mix(in srgb,var(--tone-amber) 30%,var(--border))}.deck-dots{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:25;display:flex;flex-direction:column;gap:10px}.deck-dot{appearance:none;border:0;padding:0;width:10px;height:10px;border-radius:50%;background:color-mix(in srgb,var(--text) 20%,transparent);cursor:pointer;transition:.18s ease;position:relative}.deck-dot:hover{background:var(--text)}.deck-dot[aria-current=true]{background:var(--dot-c, var(--accent));transform:scale(1.5);box-shadow:0 0 0 4px color-mix(in srgb,var(--dot-c, var(--accent)) 20%,transparent)}.deck-dot[data-tone=cyan]{--dot-c: var(--tone-cyan)}.deck-dot[data-tone=orange]{--dot-c: var(--tone-orange)}.deck-dot[data-tone=violet]{--dot-c: var(--tone-violet)}.deck-dot[data-tone=jade]{--dot-c: var(--tone-jade)}.deck-dot[data-tone=red]{--dot-c: var(--tone-red)}.deck-dot[data-tone=amber]{--dot-c: var(--tone-amber)}.deck-dot:after{content:attr(data-label);position:absolute;right:22px;top:50%;transform:translateY(-50%) translate(-4px);background:var(--surface-strong);color:var(--text);border:1px solid var(--border);padding:4px 9px;border-radius:8px;font-size:.72rem;font-weight:600;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .16s ease,transform .16s ease}.deck-dot:hover:after,.deck-dot:focus-visible:after{opacity:1;transform:translateY(-50%) translate(0)}.nav-hint{position:fixed;bottom:14px;left:50%;transform:translate(-50%);z-index:25;font-size:.74rem;color:var(--muted);background:var(--surface-strong);border:1px solid var(--border);padding:6px 12px;border-radius:999px;display:inline-flex;align-items:center;gap:8px;transition:opacity .4s ease}.nav-hint kbd{display:inline-block;padding:1px 5px;border-radius:4px;background:var(--surface);border:1px solid var(--border);font-family:DM Sans,sans-serif;font-size:.72rem;color:var(--text-strong)}body.deck-engaged .nav-hint{opacity:0}@media(max-width:720px){.chrome-mid{display:none}.deck-dots{right:8px}.deck-dot:after{display:none}}@media(prefers-reduced-motion:reduce){.deck{scroll-behavior:auto}.deck-dot,.nav-hint{transition:none}}