*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{color-scheme:dark;--bg: transparent;--bg-subtle: #0f172a;--bg-muted: #1e293b;--border: rgba(255, 255, 255, .08);--text: #f1f5f9;--text-muted: #94a3b8;--text-subtle: #475569;--accent: #38bdf8;--accent-dim: #0c4a6e;--tag-bg: rgba(255, 255, 255, .07);--tag-text: #94a3b8;--font-sans: "Inter", "system-ui", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", ui-monospace, monospace;--radius-sm: 6px;--radius: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 3px 0 rgb(0 0 0 / .3);--shadow: 0 4px 6px -1px rgb(0 0 0 / .3);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .3);--max-w: 1100px;--section-pad: 96px}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px}.section{padding:var(--section-pad) 0}.section+.section{border-top:1px solid var(--border)}.section-label{font-family:var(--font-mono);font-size:.75rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}.section-title{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;letter-spacing:-.03em;line-height:1.15;color:var(--text);margin-bottom:16px}.section-desc{font-size:1.0625rem;color:var(--text-muted);max-width:560px;line-height:1.7}.tag{display:inline-block;padding:3px 10px;border-radius:99px;background:var(--tag-bg);color:var(--tag-text);font-size:.75rem;font-weight:500;font-family:var(--font-mono)}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;cursor:pointer;transition:opacity .15s,transform .1s;text-decoration:none;border:none}.btn:hover{opacity:.85;text-decoration:none;transform:translateY(-1px)}.btn-primary{background:var(--accent);color:#fff}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover{color:var(--text);border-color:var(--text-subtle)}.card{background:var(--bg-subtle);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;transition:box-shadow .2s,transform .2s}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}@media (max-width: 900px){.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.grid-2,.grid-3{grid-template-columns:1fr}:root{--section-pad: 64px}}