:root{--bg-dark: #000000;--text-primary: #e8eaf0;--text-secondary: #8890a8;--text-dim: #505068;--accent-cyan: #00e0ff;--accent-purple: #a855f7;--accent-green: #30e868;--accent-amber: #f0b020;--panel-bg: rgba(4, 4, 12, .85);--border-base: rgba(60, 60, 80, .25);--font-mono: "SF Mono", "Fira Code", "JetBrains Mono", Consolas, monospace;--font-body: system-ui, -apple-system, "Segoe UI", sans-serif}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg-dark);overscroll-behavior:none;min-height:100%;overflow-x:hidden}body{background:var(--bg-dark);color:var(--text-primary);font-family:var(--font-body);font-size:15px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;overscroll-behavior:none;min-height:100%;width:100%;max-width:100%}.bg-grid{position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(50,50,80,0) 1px,transparent 1px),linear-gradient(90deg,rgba(50,50,80,0) 1px,transparent 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ease}.title-accent{color:var(--accent-purple)}.hero-subtitle{font-family:var(--font-mono);font-size:clamp(.8rem,1.8vw,1rem);color:var(--text-secondary);letter-spacing:.12em;text-transform:uppercase;opacity:0;transform:translateY(12px);transition:opacity .8s ease,transform .8s ease}.hero-thought{min-height:1.4em;font-size:.85rem;color:#8c78beb3;opacity:0}.hero-thought .cursor{display:inline-block;width:2px;height:.9em;background:#8c78be99;margin-left:2px;vertical-align:text-bottom;animation:blink-cursor .7s step-end infinite}@keyframes blink-cursor{0%,to{opacity:1}50%{opacity:0}}.play-cta{display:flex;flex-direction:column;align-items:center;gap:.5rem;margin-top:1.5rem;opacity:0;transform:translateY(12px);transition:opacity .8s ease,transform .8s ease}.play-btn{font-family:var(--font-mono);font-size:1.1rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;padding:.9rem 3rem;background:#3c3c504d;color:var(--text-dim);border:1px solid 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.fullscreen-btn{opacity:.6;color:var(--text-secondary);background:#08081066;z-index:100}body.scene-fullscreen #app{pointer-events:none;z-index:20}body.scene-fullscreen #app>*{opacity:0;pointer-events:none;transition:opacity .5s ease}.tagline{font-size:clamp(1.4rem,4vw,2.2rem);font-weight:600;color:var(--text-primary);text-align:center;letter-spacing:.02em;max-width:620px;text-shadow:0 0 30px rgba(168,85,247,.15)}.arch-section{align-items:center;justify-content:flex-start;padding:5rem 1.5rem 6rem;gap:2rem;min-height:auto}.arch-tier{width:100%;max-width:620px;opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;overflow:hidden}.arch-tier.visible{opacity:1;transform:translateY(0)}.glow-block{position:relative;overflow:hidden}.glow-border{position:absolute;inset:0;pointer-events:none;overflow:hidden}.glow-border:before{content:"";position:absolute;inset:0;border:1px solid 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var(--border-base)}.block-text{font-size:.9rem;color:var(--text-secondary);line-height:1.65;margin-bottom:1rem}.block-chips{display:flex;flex-wrap:wrap;gap:.4rem}.chip{font-family:var(--font-mono);font-size:.65rem;padding:.2rem .55rem;border:1px solid var(--border-base);color:var(--text-dim);letter-spacing:.04em;transition:border-color .25s ease,color .25s ease}[data-accent=cyan] .chip:hover{border-color:#00e0ff4d;color:var(--accent-cyan)}[data-accent=green] .chip:hover{border-color:#30e8684d;color:var(--accent-green)}[data-accent=purple] .chip:hover{border-color:#a855f74d;color:var(--accent-purple)}.footer{min-height:auto;padding:3rem 2rem calc(3rem + env(safe-area-inset-bottom,0px));text-align:center;gap:1rem;border-top:1px solid var(--border-base)}.footer-links{display:flex;justify-content:center;gap:.6rem;flex-wrap:wrap}.footer-link{font-family:var(--font-mono);color:var(--text-dim);text-decoration:none;font-size:.65rem;letter-spacing:.08em;text-transform:uppercase;padding:.25rem .55rem;border:1px solid var(--border-base);transition:color .2s ease,border-color .2s ease}.footer-link:hover{color:var(--accent-cyan);border-color:#00e0ff40}.footer-copy{font-family:var(--font-mono);color:var(--text-dim);font-size:.55rem;letter-spacing:.05em;opacity:.5}.footer-author{color:inherit;text-decoration:underline;transition:color .2s ease}.footer-author:hover{color:var(--accent-cyan)}@media(max-width:640px){.arch-section{padding:3rem 1rem 4rem}.block-inner{padding:1.25rem}.hero-content{padding:2rem 1.5rem 1.75rem}.hero-icon{width:80px;height:80px}.block-head h2{font-size:1.2rem}}@media(max-width:380px){.hero-title{letter-spacing:.02em}.block-chips{gap:.25rem}.chip{font-size:.6rem;padding:.15rem .4rem}}