:root{--bg: #0F1417;--bg-raised: #141B1F;--surface: #171F23;--surface-alt: #1C262B;--border: #29343A;--border-soft: #202A2F;--text: #E8EEF0;--text-dim: #92A5AB;--text-faint: #5E6E73;--accent: #4FD1C5;--accent-dim: #2E7E77;--accent-ink: #05100F;--accent-hover: #6EE0D5;--signal: #E0A458;--danger: #E0745B;--nav-bg: rgba(15, 20, 23, .86);--font-display: "Space Grotesk", sans-serif;--font-body: "Inter", sans-serif;--font-mono: "JetBrains Mono", monospace;--max-width: 920px;--radius: 3px}:root[data-theme=light]{--bg: #F4F6F7;--bg-raised: #FFFFFF;--surface: #FFFFFF;--surface-alt: #ECF0F1;--border: #D8DFE1;--border-soft: #E4E9EA;--text: #141A1C;--text-dim: #4C5A5D;--text-faint: #7C8B8E;--accent: #12897F;--accent-dim: #BFE9E4;--accent-ink: #FFFFFF;--accent-hover: #0E6D65;--signal: #A9631E;--danger: #B23D28;--nav-bg: rgba(244, 246, 247, .86)}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;transition:background-color .2s ease,color .2s ease}h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.15;margin:0;letter-spacing:-.01em}p{margin:0}a{color:inherit;text-decoration:none}::selection{background:var(--accent-dim);color:var(--text)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.section{padding:96px 0;border-top:1px solid var(--border-soft)}.section:first-of-type{border-top:none}@media (max-width: 640px){.section{padding:64px 0}}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:40px}.section-head h2{font-size:clamp(1.5rem,2.4vw,2rem)}.section-index{font-family:var(--font-mono);font-size:.8rem;color:var(--text-faint);white-space:nowrap}.mono{font-family:var(--font-mono)}.dim{color:var(--text-dim)}.tag{display:inline-flex;align-items:center;padding:4px 10px;border:1px solid var(--border);border-radius:var(--radius);font-family:var(--font-mono);font-size:.78rem;color:var(--text-dim);background:var(--surface)}.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:var(--radius);font-family:var(--font-body);font-weight:500;font-size:.94rem;border:1px solid var(--border);background:transparent;color:var(--text);cursor:pointer;transition:border-color .15s ease,color .15s ease}.btn:hover{border-color:var(--accent);color:var(--accent)}.btn-solid{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}.btn-solid:hover{color:var(--accent-ink);background:var(--accent-hover);border-color:var(--accent-hover)}