:root{--bg:#05060a;--bg-panel:#0b0e16;--bg-panel-2:#11151f;--border:#1c2433;--cyan:#22d3ee;--cyan-dim:#0e7490;--magenta:#e835c4;--magenta-dim:#861a73;--text:#c7d2e0;--text-dim:#6b7a90;--glow-cyan:0 0 18px rgba(34,211,238,.45);--glow-magenta:0 0 18px rgba(232,53,196,.45);--mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;--sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--accent:var(--cyan);--accent-dim:var(--cyan-dim);--glow:var(--glow-cyan)}[data-theme=day]{--bg:#f7f9fc;--bg-panel:#fff;--bg-panel-2:#f0f3f8;--border:#e2e8f0;--cyan:#ff8a00;--cyan-dim:#cc6f00;--magenta:#e835c4;--magenta-dim:#a31f8c;--text:#1a2233;--text-dim:#5c6b80;--glow-cyan:0 0 18px rgba(255,138,0,.35);--glow-magenta:0 0 18px rgba(232,53,196,.35);--accent:var(--cyan);--accent-dim:var(--cyan-dim);--glow:var(--glow-cyan)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;background-image:radial-gradient(circle at 20% 0,rgba(34,211,238,.06),transparent 40%),radial-gradient(circle at 80% 100%,rgba(232,53,196,.06),transparent 40%);background-attachment:fixed;transition:background .3s ease,color .3s ease}a{color:var(--accent);text-decoration:none}a:hover{text-shadow:var(--glow)}h1,h2,h3{font-weight:700;letter-spacing:-.02em;line-height:1.15}.container{max-width:1080px;margin:0 auto;padding:0 24px}.section{padding:72px 0;border-bottom:1px solid var(--border);text-align:center}.section-tag{font-family:var(--mono);font-size:12px;letter-spacing:.25em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}.section-title{font-size:clamp(28px,4vw,44px);margin-bottom:20px}.section-lead{color:var(--text-dim);max-width:640px;font-size:17px;margin-left:auto;margin-right:auto}.panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:12px;padding:24px}.btn{display:inline-block;font-family:var(--mono);font-size:13px;letter-spacing:.08em;padding:12px 22px;border:1px solid var(--accent-dim);border-radius:8px;color:var(--accent);background:rgba(34,211,238,.05);transition:all .2s ease}.btn:hover{box-shadow:var(--glow);border-color:var(--accent)}.btn-magenta{border-color:var(--magenta-dim);color:var(--magenta);background:rgba(232,53,196,.05)}.btn-magenta:hover{box-shadow:var(--glow-magenta);border-color:var(--magenta)}.topnav{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.topnav-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}.topnav-brand{font-family:var(--mono);color:var(--accent);letter-spacing:.1em;font-size:14px;white-space:nowrap}.topnav-links{display:flex;gap:16px;flex-wrap:wrap}.topnav-links a{color:var(--text-dim);font-family:var(--mono);font-size:12px;letter-spacing:.06em}.theme-toggle,.topnav-links a:hover{color:var(--accent)}.theme-toggle{background:none;border:1px solid var(--border);border-radius:8px;width:38px;height:38px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.theme-toggle:hover{box-shadow:var(--glow);border-color:var(--accent)}.footer{padding:48px 0;color:var(--text-dim);font-size:13px;font-family:var(--mono);border-top:1px solid var(--border);text-align:center}.footer a{color:var(--accent)}.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.reveal.in{opacity:1;transform:translateY(0)}.cutout{max-width:760px;margin:0 auto}.center{text-align:center}@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}