:root{--ink: #1d1d1f;--ink-dim: #6e6e73;--ink-faint: #86868b;--stage: #f5f5f7;--stage-raised: #eceef0;--accent: #0071e3;--accent-warm: #b8730f;--line: rgba(0, 0, 0, .1);--font-display: "General Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;width:100%}html{scroll-behavior:auto}body{background:var(--stage);color:var(--ink);font-family:var(--font-display);-webkit-font-smoothing:antialiased}.canvas-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0}.canvas-layer canvas{display:block;width:100%!important;height:100%!important}.nav-bar{position:fixed;top:0;left:0;right:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:1.6rem clamp(1.25rem,4vw,3rem);pointer-events:none}.nav-bar__mark{font-weight:600;font-size:.95rem;letter-spacing:.14em}.nav-bar__tag{font-size:.8rem;letter-spacing:.02em;color:var(--ink-dim)}.scroll-story{position:relative;z-index:1}.story-stage{position:relative;min-height:100vh;display:flex;align-items:center}.story-stage__copy{max-width:30rem;margin:0 clamp(1.25rem,6vw,6rem);padding:1.75rem 2rem;border-radius:20px;background:linear-gradient(180deg,#f5f5f7d1,#f5f5f78c);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--line);opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease,background .6s ease}.story-stage__copy.is-visible{opacity:1;transform:translateY(0)}.story-stage__copy.is-visible:not(.story-stage__copy--hero){background:linear-gradient(180deg,#c9ddf3d9,#f5f5f794)}.story-stage__copy--hero{opacity:1;transform:none;background:none;backdrop-filter:none;-webkit-backdrop-filter:none;border:none;max-width:34rem;padding:0 2rem}.story-stage__title{margin:0 0 1rem;font-weight:600;font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.05;letter-spacing:-.02em}.story-stage__title-line{display:block}.story-stage__body{margin:0;font-size:clamp(.98rem,1.1vw,1.1rem);line-height:1.55;color:var(--ink-dim);max-width:30ch}.story-stage__copy--hero .story-stage__body{max-width:34ch;font-size:clamp(1.05rem,1.3vw,1.2rem)}.scroll-cue{margin-top:2.75rem;display:inline-flex;align-items:center;gap:.6rem;font-size:.85rem;color:var(--ink-faint)}.scroll-cue span{width:1px;height:26px;background:linear-gradient(180deg,var(--ink-dim),transparent);animation:scroll-cue-pulse 1.8s ease-in-out infinite}@keyframes scroll-cue-pulse{0%,to{opacity:.3;transform:scaleY(.6);transform-origin:top}50%{opacity:1;transform:scaleY(1);transform-origin:top}}.part-nav{position:fixed;right:clamp(1.25rem,4vw,3rem);top:50%;transform:translateY(-50%);z-index:4;opacity:0;pointer-events:none;transition:opacity .5s ease}.part-nav--visible{opacity:1}.part-nav ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.85rem}.part-nav__item{display:flex;align-items:center;justify-content:flex-end;gap:.65rem}.part-nav__dot{flex-shrink:0;width:6px;height:6px;border-radius:50%;background:var(--line);transition:background .3s ease,transform .3s ease,box-shadow .3s ease}.part-nav__label{font-size:.78rem;color:var(--ink-faint);white-space:nowrap;text-align:right;transition:color .3s ease,font-weight .3s ease}.part-nav__item--done .part-nav__dot{background:var(--ink-dim)}.part-nav__item--done .part-nav__label{color:var(--ink-dim)}.part-nav__item--current .part-nav__dot{background:var(--accent);transform:scale(1.7);box-shadow:0 0 0 4px #0071e329}.part-nav__item--current .part-nav__label{color:var(--ink);font-weight:600}@media (max-width: 900px){.part-nav{display:none}}.spec-strip{position:relative;z-index:2;background:var(--stage-raised);border-top:1px solid var(--line);padding:clamp(3rem,7vw,5.5rem) clamp(1.25rem,6vw,6rem) 2.5rem}.spec-strip__inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr) auto;gap:2.5rem;align-items:start;max-width:76rem;margin:0 auto}.spec-strip__mark{margin:0 0 .4rem;font-weight:600;font-size:1.1rem;letter-spacing:.08em}.spec-strip__tagline{margin:0;color:var(--ink-dim);font-size:.95rem}.spec-strip__list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(9.5rem,1fr));gap:1.5rem 2rem}.spec-strip__item{display:flex;flex-direction:column;gap:.35rem;padding-top:.9rem;border-top:1px solid var(--line)}.spec-strip__label{font-weight:500;font-size:.92rem}.spec-strip__detail{font-size:.85rem;color:var(--ink-faint)}.spec-strip__cta a{display:inline-block;color:var(--stage);background:var(--ink);padding:.7rem 1.2rem;border-radius:999px;font-size:.85rem;font-weight:500;text-decoration:none;white-space:nowrap;transition:transform .2s ease,background .2s ease}.spec-strip__cta a:hover{background:var(--accent);transform:translateY(-1px)}.spec-strip__credit{max-width:76rem;margin:2.75rem auto 0;padding-top:1.5rem;border-top:1px solid var(--line);font-size:.8rem;line-height:1.6;color:var(--ink-faint)}@media (max-width: 720px){.spec-strip__inner{grid-template-columns:1fr}.story-stage__copy{margin-left:clamp(1rem,5vw,2rem);margin-right:clamp(1rem,5vw,2rem);max-width:none}.story-stage__copy--hero{padding:1.5rem 1.25rem;margin:0 1rem;border-radius:20px;background:linear-gradient(180deg,#f5f5f7d9,#f5f5f799);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--line)}.story-stage:not([data-stage=hero]):not([data-stage=close]) .story-stage__copy{display:none}}.spotlight-hint{position:fixed;left:50%;bottom:calc(1.75rem + env(safe-area-inset-bottom,0px));transform:translate(-50%);z-index:6;opacity:0;pointer-events:none;transition:opacity .35s ease}.spotlight-hint--visible{opacity:1;pointer-events:auto}.spotlight-hint__button{display:inline-flex;align-items:center;gap:.55rem;min-height:2.5rem;padding:.5rem 1rem .5rem .6rem;border:1px solid var(--line);border-radius:999px;background:#f5f5f7f0;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 10px 26px #00000029;font-family:inherit;font-size:.85rem;font-weight:500;color:var(--ink);white-space:nowrap;-webkit-tap-highlight-color:transparent}.spotlight-hint__glow{position:relative;flex-shrink:0;width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px #0071e32e}.spotlight-hint__glow:after{content:"";position:absolute;top:-6px;right:-6px;bottom:-6px;left:-6px;border-radius:50%;border:1px solid rgba(0,113,227,.45);animation:spotlight-ping 2.2s ease-out infinite}@keyframes spotlight-ping{0%{transform:scale(.6);opacity:.9}75%,to{transform:scale(1.9);opacity:0}}.spotlight-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:flex;align-items:flex-end;justify-content:center}.spotlight-modal__backdrop{position:absolute;top:0;right:0;bottom:0;left:0;border:none;margin:0;padding:0;background:#1d1d1f57;cursor:pointer}.spotlight-modal__sheet{position:relative;width:100%;max-width:30rem;background:var(--stage);border-radius:22px 22px 0 0;padding:1.85rem 1.5rem calc(2.5rem + env(safe-area-inset-bottom,0px));box-shadow:0 -14px 34px #0003;animation:spotlight-sheet-in .32s cubic-bezier(.2,.8,.2,1)}@keyframes spotlight-sheet-in{0%{transform:translateY(100%)}to{transform:translateY(0)}}.spotlight-modal__close{position:absolute;top:1rem;right:1rem;width:2.25rem;height:2.25rem;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:50%;background:var(--stage-raised);font-size:1.4rem;line-height:1;color:var(--ink-dim);-webkit-tap-highlight-color:transparent}.spotlight-modal__title{margin:0 2.75rem .85rem 0;font-size:1.5rem;font-weight:600;letter-spacing:-.01em}.spotlight-modal__body{margin:0;font-size:1rem;line-height:1.6;color:var(--ink-dim)}.spotlight-modal__meta{margin:1.5rem 0 0;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.02em;color:var(--ink-faint)}@media (min-width: 721px){.spotlight-hint,.spotlight-modal{display:none}}@media (prefers-reduced-motion: reduce){.story-stage__copy,.scroll-cue span,.part-nav,.part-nav__dot,.part-nav__label,.spotlight-hint__glow:after,.spotlight-modal__sheet{animation:none!important;transition:none!important}}