:root{--color-bg:#0b1220;--color-surface:#121b2e;--color-surface-2:#1a2740;--color-border:#243352;--color-text:#e6edf7;--color-muted:#95a3bd;--color-accent:#2dd4bf;--color-accent-strong:#14b8a6;--color-accent-ink:#06231f;--space-1:.5rem;--space-2:1rem;--space-3:1.5rem;--space-4:2.5rem;--space-5:4rem;--radius:14px;--maxw:1080px;--font:system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;margin:0;line-height:1.65}.container{width:100%;max-width:var(--maxw);padding-inline:var(--space-2);margin-inline:auto}h1,h2,h3{letter-spacing:-.02em;font-weight:700;line-height:1.2}h1{margin:0 0 var(--space-2);font-size:clamp(2rem,5vw,3.25rem)}h2{margin:0 0 var(--space-2);font-size:clamp(1.5rem,3vw,2.1rem)}h3{margin:0 0 var(--space-1);font-size:1.2rem}p{margin:0 0 var(--space-2);color:var(--color-text)}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}.site-header{z-index:10;backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border);background:#0b1220d1;position:sticky;top:0}.site-header .container{justify-content:space-between;align-items:center;gap:var(--space-2);padding-block:var(--space-1);display:flex}.brand{color:var(--color-text);align-items:center;gap:.6rem;font-size:1.15rem;font-weight:800;display:inline-flex}.brand:hover{text-decoration:none}.brand-mark{background:linear-gradient(135deg, var(--color-accent), var(--color-accent-strong));width:32px;height:32px;color:var(--color-accent-ink);border-radius:9px;place-items:center;display:grid}.nav{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.nav a{color:var(--color-muted);font-weight:500}.nav a:hover{color:var(--color-text);text-decoration:none}.btn{cursor:pointer;border:1px solid #0000;border-radius:10px;padding:.7rem 1.2rem;font-weight:600;transition:transform 50ms,background .2s;display:inline-block}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:var(--color-accent);color:var(--color-accent-ink)}.btn-primary:hover{background:var(--color-accent-strong)}.btn-ghost{color:var(--color-text);border-color:var(--color-border);background:0 0}.btn-ghost:hover{background:var(--color-surface-2)}.section{padding-block:var(--space-5)}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--color-accent);margin-bottom:var(--space-1);font-size:.78rem;font-weight:700}.lead{color:var(--color-muted);max-width:60ch;font-size:1.15rem}.grid{gap:var(--space-2);display:grid}@media (width>=720px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-3)}.card h3{color:var(--color-text)}.card p{color:var(--color-muted);margin-bottom:0}.hero{padding-block:var(--space-5) var(--space-4);background:radial-gradient(1200px 400px at 70% -10%, #2dd4bf1f, transparent), var(--color-bg)}.hero .lead{margin-bottom:var(--space-3)}.hero-actions{gap:var(--space-1);flex-wrap:wrap;display:flex}.cta{background:linear-gradient(135deg, var(--color-surface-2), var(--color-surface));border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-4);text-align:center}.guide-list{gap:var(--space-2);margin:0;padding:0;list-style:none;display:grid}.guide-item a{display:block}.guide-item time{color:var(--color-muted);font-size:.85rem}.prose{max-width:70ch;margin-inline:auto}.prose h2{margin-top:var(--space-4)}.prose ul,.prose ol{padding-left:1.4rem}.prose li{margin-bottom:.4rem}.prose code{background:var(--color-surface-2);border-radius:6px;padding:.15em .4em;font-size:.9em}.field{background:var(--color-bg);border:1px solid var(--color-border);width:100%;color:var(--color-text);font:inherit;border-radius:10px;padding:.7rem .85rem}.field:focus{border-color:var(--color-accent);outline:none;box-shadow:0 0 0 3px #2dd4bf33}label>span{color:var(--color-muted);font-size:.9rem;font-weight:600}.site-footer{border-top:1px solid var(--color-border);margin-top:var(--space-5);padding-block:var(--space-3);color:var(--color-muted);font-size:.9rem}.site-footer .container{justify-content:space-between;gap:var(--space-2);flex-wrap:wrap;display:flex}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}