:root{--bg:#ffffff;--bg-soft:#f5f7fa;--fg:#10151d;--fg-dim:#45505f;--muted:#6b7684;--border:#e2e7ee;--accent:#1f6feb;--accent-dark:#1a5fd0;--ok:#0f9d58;--radius:14px;--radius-sm:9px;--wrap:1080px;--shadow:0 1px 2px rgba(16,21,29,0.05),0 12px 32px rgba(16,21,29,0.07)}@media (prefers-color-scheme:dark){:root{--bg:#0c1016;--bg-soft:#12171f;--fg:#e9edf3;--fg-dim:#b3bcc8;--muted:#8a94a2;--border:#232c39;--accent:#4f97ff;--accent-dark:#3b82f6}}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font:16px/1.65 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%}h1,h2,h3{line-height:1.2;letter-spacing:-.02em}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1.15rem}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.site-header .bar{gap:1rem;height:62px}.brand,.site-header .bar{display:flex;align-items:center}.brand{gap:.55rem;font-weight:800;font-size:1.1rem;color:var(--fg)}.brand:hover{text-decoration:none}.brand .logo{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),#7c3aed);color:#fff;font-weight:800}.nav-links{margin-left:auto;display:flex;gap:.3rem;align-items:center}.nav-links a{color:var(--fg-dim);padding:.5rem .8rem;border-radius:var(--radius-sm);font-weight:500}.nav-links a:hover{text-decoration:none}.nav-links a:hover,.nav-links a[aria-current=page]{background:var(--bg-soft);color:var(--fg)}.btn{display:inline-block;padding:.6rem 1.1rem;border-radius:var(--radius-sm);background:var(--accent);color:#fff;font-weight:600;border:0;cursor:pointer}.btn:hover{background:var(--accent-dark);text-decoration:none}.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--border)}.btn.ghost:hover{background:var(--bg-soft)}.burger{margin-left:auto;display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);cursor:pointer;align-items:center;justify-content:center}.burger span,.burger span:after,.burger span:before{content:"";display:block;width:18px;height:2px;background:var(--fg);position:relative}.burger span:before{position:absolute;top:-6px}.burger span:after{position:absolute;top:6px}.drawer{display:none;border-top:1px solid var(--border);padding:.5rem 0 1rem}.drawer a{display:block;padding:.7rem 1.15rem;color:var(--fg);border-radius:var(--radius-sm)}.drawer a:hover{background:var(--bg-soft);text-decoration:none}@media (max-width:860px){.nav-links{display:none}.burger{display:flex}.drawer.open{display:block}}main{min-height:60vh}.hero{padding:4rem 0 3rem;text-align:center;background:radial-gradient(700px 340px at 50% -10%,color-mix(in srgb,var(--accent) 12%,transparent),transparent 70%)}.hero h1{font-size:clamp(1.9rem,5vw,3rem);margin:0 0 1rem}.hero p.lead{font-size:1.15rem;color:var(--fg-dim);max-width:620px;margin:0 auto 1.8rem}.hero .cta{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}.section{padding:3rem 0;border-top:1px solid var(--border)}.section h2{font-size:clamp(1.4rem,3.5vw,2rem);margin:0 0 .5rem}.section>.wrap>p.sub{color:var(--muted);margin:0 0 2rem;max-width:640px}.grid{display:grid;grid-gap:1.1rem;gap:1.1rem;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.card{border:1px solid var(--border);border-radius:var(--radius);padding:1.3rem;background:var(--bg);box-shadow:var(--shadow)}.card h3{margin:0 0 .4rem;font-size:1.1rem}.card p{color:var(--fg-dim);margin:0 0 .7rem;font-size:.95rem}.card ul{margin:0;padding-left:1.1rem;color:var(--muted);font-size:.9rem}.card ul li{margin:.25rem 0}.breadcrumb{padding:.9rem 0;font-size:.88rem;color:var(--muted)}.breadcrumb .wrap{display:flex;flex-wrap:wrap}.breadcrumb a{color:var(--fg-dim)}.breadcrumb .sep{color:var(--border)}.breadcrumb [aria-current=page]{color:var(--fg)}.form{max-width:460px;gap:.8rem}.form,.form label{display:flex;flex-direction:column}.form label{gap:.3rem;font-size:.9rem;font-weight:500}.form input,.form select,.form textarea{padding:.65rem .8rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--fg);font:inherit}.form .msg{padding:.7rem .9rem;border-radius:var(--radius-sm);background:var(--bg-soft);font-size:.9rem}.form .msg.ok{background:color-mix(in srgb,var(--ok) 15%,transparent)}.form .msg.err{background:color-mix(in srgb,#e5484d 15%,transparent)}.site-footer{border-top:1px solid var(--border);background:var(--bg-soft);padding:2.5rem 0 1.5rem;margin-top:3rem}.site-footer .cols{display:grid;grid-gap:1.5rem;gap:1.5rem;grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}.site-footer h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 .7rem}.site-footer a{display:block;color:var(--fg-dim);font-size:.9rem;padding:.2rem 0}.site-footer .legal-note{margin-top:2rem;padding-top:1.2rem;border-top:1px solid var(--border);color:var(--muted);font-size:.82rem}