:root{color-scheme:dark;--bg:#070c16;--bg-soft:#0b1220;--surface:#101b2e;--surface-2:#152239;--surface-3:#1b2b46;--border:#22334f;--border-strong:#2e4467;--text:#e8eefb;--muted:#93a5c4;--accent:#22d3ee;--accent-strong:#06b6d4;--accent-soft:#22d3ee21;--ok:#34d399;--warn:#fbbf24;--warn-soft:#fbbf241a;--error:#f87171;--shadow:0 20px 50px #02061273;--radius:18px;--radius-sm:12px;--mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--sans:"Inter", "Segoe UI", system-ui, -apple-system, "Noto Sans", sans-serif}[data-theme=light]{color-scheme:light;--bg:#f6f8fc;--bg-soft:#fff;--surface:#fff;--surface-2:#f0f4fa;--surface-3:#e3ebf6;--border:#d8e1ee;--border-strong:#b9c8dd;--text:#0d1729;--muted:#566987;--accent:#0e7490;--accent-strong:#155e75;--accent-soft:#0891b217;--ok:#059669;--warn:#b45309;--warn-soft:#b4530914;--error:#dc2626;--shadow:0 18px 40px #0f223d1a}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{background:radial-gradient(1100px 540px at 85% -10%, #22d3ee21, transparent 62%), radial-gradient(900px 460px at -8% 0%, #6366f11f, transparent 58%), var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.6}[data-theme=light] body{background:radial-gradient(1000px 480px at 90% -12%, #0891b21f, transparent 60%), var(--bg)}h1,h2,h3,h4,p,ul,ol,dl,figure{margin:0}h1,h2,h3{letter-spacing:-.025em;line-height:1.15}h1{font-size:clamp(2.1rem,5.2vw,3.6rem);font-weight:800}h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:750}h3{font-size:1.08rem;font-weight:700}a{color:var(--accent);text-decoration-color:color-mix(in srgb, var(--accent) 45%, 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svg{box-shadow:0 0 0 1px var(--border);border-radius:9px}.main-nav{align-items:center;gap:22px;margin-left:auto;display:flex}.main-nav a{color:var(--muted);font-size:.92rem;font-weight:600;text-decoration:none}.main-nav a:hover{color:var(--text)}.nav-github{border-left:1px solid var(--border);padding-left:22px}.header-actions{align-items:center;gap:10px;display:flex}.theme-toggle{border:1px solid var(--border);background:var(--surface);cursor:pointer;width:38px;height:38px;color:var(--text);border-radius:10px;font-size:1rem;line-height:1}.theme-toggle:hover{border-color:var(--border-strong)}.button{border:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer;border-radius:11px;justify-content:center;align-items:center;gap:8px;padding:12px 20px;font-size:.95rem;font-weight:700;text-decoration:none;transition:background .15s,border-color .15s,transform 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p{color:var(--muted);margin-top:12px}.kicker{color:var(--accent);letter-spacing:.09em;text-transform:uppercase;margin-bottom:10px;font-size:.78rem;font-weight:750}.feature-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.feature-card{background:linear-gradient(180deg, var(--surface), var(--bg-soft));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;gap:8px;padding:22px;display:flex}.feature-card p{color:var(--muted);font-size:.92rem;line-height:1.55}.feature-icon{border:1px solid color-mix(in srgb, var(--accent) 30%, var(--border));background:var(--accent-soft);width:38px;height:38px;color:var(--accent);border-radius:10px;justify-content:center;align-items:center;margin-bottom:6px;font-size:1.05rem;display:inline-flex}.steps{counter-reset:step;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:0;list-style:none;display:grid}.step{border:1px solid 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