:root{--ink:#0f172a;--ink-soft:#475569;--bg:#ffffff;--bg-alt:#f1f5f9;--line:#e2e8f0;--accent:#0284c7;--accent-dark:#075985;--accent-bright:#38bdf8;--hero-bg:#0f172a;--hero-ink:#e2e8f0;--radius:12px;--font:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}.container{max-width:1080px;margin:0 auto;padding:0 1.5rem}.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:.9rem;padding-bottom:.9rem}.brand{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--mono);font-size:1.35rem;font-weight:700;color:var(--ink);text-decoration:none;letter-spacing:-.02em}.logo-mark{flex-shrink:0}.logo-bit{fill:var(--accent)}.site-footer .logo-bit{fill:var(--accent-bright)}.brand b{font-weight:700;color:var(--accent)}.brand-sm{font-size:1.1rem}.site-nav{display:flex;gap:1.5rem}.site-nav a{color:var(--ink-soft);text-decoration:none;font-size:.95rem;font-weight:500;padding:.25rem 0;border-bottom:2px solid transparent}.site-nav a:hover,.site-nav a.active{color:var(--ink);border-bottom-color:var(--accent)}.lang-switch{display:inline-flex;gap:.15rem;margin-left:.75rem;padding-left:1rem;border-left:1px solid var(--line)}.lang-switch a{font-family:var(--mono);font-size:.8rem;font-weight:600;color:var(--ink-soft);text-decoration:none;padding:.15rem .4rem;border-radius:6px;border-bottom:none}.lang-switch a:hover{color:var(--ink);border-bottom:none}.lang-switch a.active{background:var(--bg-alt);color:var(--accent-dark);border-bottom:none}.hero{background:linear-gradient(160deg,var(--hero-bg) 0%,#1e293b 100%);color:var(--hero-ink);padding:6rem 0 5.5rem}.hero h1{font-size:clamp(2rem,5vw,3.25rem);line-height:1.15;letter-spacing:-.02em;color:#fff;margin-bottom:1.25rem}.kicker{font-family:var(--mono);font-size:.85rem;text-transform:uppercase;letter-spacing:.15em;color:var(--accent-bright);margin-bottom:1rem}.hero .lead{max-width:40rem;font-size:1.15rem;color:#cbd5e1;margin-bottom:2.25rem}.cta-row{display:flex;gap:1rem;flex-wrap:wrap}.btn{display:inline-block;padding:.75rem 1.6rem;border-radius:999px;font-weight:600;font-size:1rem;text-decoration:none;transition:transform .15s ease,background .15s ease,color .15s ease}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark)}.btn-ghost{color:var(--hero-ink);border:1px solid #475569}.btn-ghost:hover{border-color:var(--accent-bright);color:var(--accent-bright)}.section{padding:4.5rem 0}.section-alt{background:var(--bg-alt)}.section h2{font-size:clamp(1.6rem,3.5vw,2.25rem);letter-spacing:-.02em;margin-bottom:.75rem}.section-intro{color:var(--ink-soft);max-width:38rem;margin-bottom:2.5rem}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:2rem}.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:1.75rem;transition:border-color .15s ease,box-shadow .15s ease}.card:hover{border-color:var(--accent);box-shadow:0 6px 24px rgba(15,23,42,8%)}.card-icon{font-size:1.75rem;margin-bottom:.75rem}.card h3{font-size:1.15rem;margin-bottom:.5rem}.card p{color:var(--ink-soft);font-size:.95rem}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:2.5rem;margin-top:2rem}.feature-grid h3{font-size:1.1rem;margin-bottom:.5rem;padding-top:.75rem;border-top:3px solid var(--accent)}.feature-grid p{color:var(--ink-soft);font-size:.97rem}.cta-band{text-align:center;background:linear-gradient(160deg,var(--hero-bg) 0%,#1e293b 100%);color:var(--hero-ink)}.cta-band h2{color:#fff}.cta-band p{color:#cbd5e1;max-width:34rem;margin:0 auto 2rem}.page-hero{background:var(--bg-alt);border-bottom:1px solid var(--line);padding:4rem 0 3.5rem}.page-hero h1{font-size:clamp(1.9rem,4vw,2.75rem);letter-spacing:-.02em;margin-bottom:.75rem}.page-hero .lead{color:var(--ink-soft);font-size:1.1rem;max-width:40rem}.prose{max-width:44rem}.prose h2{font-size:1.5rem;margin:2.25rem 0 .75rem}.prose h3{font-size:1.15rem;margin:1.75rem 0 .5rem}.prose p{margin-bottom:1rem;color:#334155}.prose ul,.prose ol{margin:0 0 1rem 1.4rem;color:#334155}.prose li{margin-bottom:.4rem}.prose a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:2px}.prose a:hover{color:var(--accent-dark)}.prose strong{color:var(--ink)}.prose blockquote{border-left:3px solid var(--accent);padding-left:1rem;color:var(--ink-soft);margin:1.5rem 0}.site-footer{background:var(--hero-bg);color:#94a3b8;padding:3rem 0 1.5rem;font-size:.95rem}.footer-inner{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;padding-bottom:2rem;border-bottom:1px solid #1e293b}.site-footer .brand{color:#e2e8f0}.site-footer .brand b{color:var(--accent-bright)}.footer-links{display:flex;flex-direction:column;gap:.5rem}.footer-links a{color:#94a3b8;text-decoration:none}.footer-links a:hover{color:var(--accent-bright)}.footer-legal{padding-top:1.5rem;font-size:.85rem;color:#64748b}@media(max-width:640px){.hero{padding:4rem 0 3.5rem}.section{padding:3rem 0}}