:root{--ink: #0f171d;--ink-soft: #3c4a55;--panel: rgba(255, 255, 255, .82);--panel-line: rgba(15, 23, 29, .1);--accent: #7d2118;--step-eyebrow: clamp(.66rem, .72vw, .78rem);--step-body: clamp(1rem, 1.06vw, 1.16rem);--step-lede: clamp(1.06rem, 1.32vw, 1.42rem);--step-h2: clamp(1.9rem, 3.4vw, 3.1rem);--step-h1: clamp(2.2rem, 5.6vw, 5rem);--font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;--ease: cubic-bezier(.22, .61, .36, 1)}*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{margin:0;padding:0}body{background:#cfe4f2;color:var(--ink);font-family:var(--font);font-size:var(--step-body);line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}.canvas-host{position:fixed;inset:0;z-index:0}.canvas-host canvas{display:block;width:100%;height:100%}.fallback{position:fixed;inset:0;z-index:0}.fallback svg{width:100%;height:100%;display:block}.boot{position:fixed;inset:0;z-index:5;display:grid;place-items:center;background:linear-gradient(#cfe4f2,#eaf3f8);transition:opacity .7s var(--ease),visibility 0s linear .7s}.boot.is-done{opacity:0;visibility:hidden}.boot__mark{width:3.2rem;height:2px;background:#0f171d40;overflow:hidden;position:relative}.boot__mark:after{content:"";position:absolute;inset:0;background:var(--accent);transform-origin:left;animation:boot 1.1s var(--ease) infinite}@keyframes boot{0%{transform:scaleX(0)}60%{transform:scaleX(1)}to{transform:scaleX(1);opacity:0}}.content{position:relative;z-index:1}section{display:flex;align-items:center;padding:clamp(1.5rem,4vw,4.5rem);min-height:100svh}.eyebrow{margin:0 0 1.1rem;font-family:var(--mono);font-size:var(--step-eyebrow);letter-spacing:.19em;text-transform:uppercase;color:var(--accent)}.hero{align-items:flex-end;position:relative}.hero__panel{max-width:min(46rem,92vw);padding:clamp(1.5rem,2.6vw,2.6rem) clamp(1.5rem,2.8vw,3rem);border-radius:2px;background:var(--panel);border:1px solid var(--panel-line);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);box-shadow:0 24px 70px -34px #0f171d8c;transition:opacity 1.1s var(--ease),transform 1.1s var(--ease)}.hero__panel.is-departed{opacity:0;transform:translateY(14px);pointer-events:none}.hero h1{margin:0;font-size:var(--step-h1);line-height:.94;letter-spacing:-.035em;font-weight:780;text-transform:uppercase}.hero h1 span{display:block}.hero h1 span:last-child{color:var(--ink-soft)}.lede{margin:1.3rem 0 0;font-size:var(--step-lede);color:var(--ink-soft);max-width:34ch}.cta{margin-top:2rem;padding:1rem 2.1rem;border:0;border-radius:999px;background:var(--ink);color:#fff;font:inherit;font-size:.94rem;font-weight:640;letter-spacing:.13em;text-transform:uppercase;cursor:pointer;transition:transform .35s var(--ease),background-color .35s var(--ease),box-shadow .35s var(--ease)}.cta:hover:not(:disabled){transform:translateY(-2px);background:var(--accent);box-shadow:0 14px 30px -14px #7d2118cc}.cta:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.cta:disabled{opacity:.45;cursor:default}.scroll-hint{position:absolute;right:clamp(1.5rem,4vw,4.5rem);bottom:clamp(2rem,5vw,5rem);display:flex;align-items:center;gap:.9rem;font-family:var(--mono);font-size:var(--step-eyebrow);letter-spacing:.19em;text-transform:uppercase;color:var(--ink);opacity:0;transform:translateY(8px);transition:opacity .9s var(--ease) .5s,transform .9s var(--ease) .5s}.scroll-hint.is-visible{opacity:.8;transform:none}.scroll-hint__rule{width:3.4rem;height:1px;background:currentColor;transform-origin:left;animation:rule 2.6s var(--ease) infinite}@keyframes rule{0%,to{transform:scaleX(.35);opacity:.4}50%{transform:scaleX(1);opacity:1}}.chapter{min-height:118svh}.chapter--right{justify-content:flex-end}.chapter__panel{max-width:min(30rem,90vw);padding:clamp(1.4rem,2.2vw,2.2rem);border-radius:2px;background:var(--panel);border:1px solid var(--panel-line);backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);box-shadow:0 24px 70px -38px #0f171d80;opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease)}.chapter[data-revealed=true] .chapter__panel{opacity:1;transform:none}.chapter h2,.closing h2{margin:0 0 .9rem;font-size:var(--step-h2);line-height:1.02;letter-spacing:-.028em;font-weight:720}.chapter p:last-child{margin:0;color:var(--ink-soft)}.closing{align-items:flex-end;justify-content:center;text-align:center;min-height:100svh}.closing__inner{max-width:44rem;padding:clamp(1.6rem,3vw,3rem);background:var(--panel);border:1px solid var(--panel-line);border-radius:2px;backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1)}.closing .lede{margin-inline:auto;max-width:46ch}.hud{position:fixed;z-index:2;right:clamp(.9rem,2vw,1.6rem);bottom:clamp(.9rem,2vw,1.6rem);display:flex;align-items:center;gap:.8rem;padding:.55rem .95rem;border-radius:999px;background:#ffffffc7;border:1px solid var(--panel-line);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase}.hud__dot{width:7px;height:7px;border-radius:50%;background:var(--ink-soft);animation:breathe 3.4s ease-in-out infinite}.hud__dot.phase-pressure,.hud__dot.phase-firstTurn{background:var(--accent);animation-duration:.9s}.hud__dot.phase-pulling,.hud__dot.phase-underWay{background:#2f7d3c;animation-duration:1.8s}@keyframes breathe{0%,to{opacity:.35}50%{opacity:1}}.hud__speed{color:var(--ink-soft);font-variant-numeric:tabular-nums}.hud__mute{border:0;background:none;padding:0;font:inherit;color:var(--accent);cursor:pointer;text-decoration:underline;text-underline-offset:3px}body[data-inspecting=true] .content,body[data-inspecting=true] .hud{opacity:0;pointer-events:none}.inspect-badge{position:fixed;z-index:3;top:1rem;left:50%;transform:translate(-50%);padding:.5rem 1rem;border-radius:999px;background:#0f171de0;color:#fff;font-family:var(--mono);font-size:.68rem;letter-spacing:.11em;text-transform:uppercase}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.chapter__panel{opacity:1;transform:none}.scroll-hint{opacity:.8;transform:none}}@media(max-width:720px){.hero__panel,.chapter__panel{max-width:100%}.chapter--right{justify-content:flex-start}.scroll-hint{display:none}.hud{left:clamp(.9rem,2vw,1.6rem);justify-content:center}}