:root{--bg:#fff;--text:#111;--muted:#5f6368;--brand:#4b48ff;--brand-ink:#1d1b7a;--border:#e6e6e6;--card:#fff;--shadow:0 6px 18px rgba(0,0,0,.06);--radius:14px;--container:1120px;--space:16px}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica Neue,Arial,sans-serif}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{max-width:var(--container);margin:0 auto;padding:0 20px}.section{padding:56px 0}.grid{display:grid;grid-gap:16px;gap:16px}.cols-2,.cols-3{grid-template-columns:1fr}@media (min-width:900px){.cols-2{grid-template-columns:1.1fr .9fr}.cols-3{grid-template-columns:1fr 1fr 1fr}}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.h1{font-size:clamp(32px,5vw,48px);line-height:1.1;letter-spacing:-.02em}.h2{font-size:clamp(22px,3.2vw,28px);line-height:1.2}.help,.muted{color:var(--muted)}.help{font-size:.9rem}.success{color:#1d8f3a}.err{color:#c62828}.av-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:hsla(0,0%,100%,.86);-webkit-backdrop-filter:saturate(180%) blur(10px);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}.av-nav{justify-content:space-between;padding:14px 20px;max-width:var(--container);margin:0 auto}.av-nav,.brand{display:flex;align-items:center}.brand{gap:10px;font-weight:700}.brand-mark{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#8b89ff);color:#fff;font-weight:800}.brand-text{letter-spacing:.5px}.nav-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.av-nav a{padding:6px 8px;border-radius:8px;transition:background .18s ease,color .18s ease,box-shadow .18s ease}.av-nav a.is-active{font-weight:600;background:#f5f6ff;color:var(--brand-ink)}.av-nav a:hover{background:#f7f7f7}.av-footer{border-top:1px solid var(--border);margin-top:40px;background:#fafafa}.av-footer-inner{max-width:var(--container);margin:0 auto;padding:26px 20px;display:grid;grid-gap:12px;gap:12px;align-items:center}.av-footer .footer-links{display:flex;flex-wrap:wrap;gap:14px}.brand-inline{display:flex;align-items:center;gap:10px}.copy{color:var(--muted);font-size:.9rem}.btn{display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border:1px solid var(--border);padding:10px 14px;border-radius:10px;transition:background .2s,border .2s,transform .2s}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn-sm{padding:8px 12px;border-radius:9px}.form{display:grid;grid-gap:12px;gap:12px}.input,.select,textarea{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:10px;background:#fff}label{display:block;margin-bottom:6px;font-weight:600}.price{font-weight:800;font-size:1.4rem;color:var(--brand-ink)}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#eef;color:#292a8a;font-weight:600;font-size:.8rem;border:1px solid #dde}.timeline{position:relative;margin:0;padding:0;list-style:none}.timeline:before{content:"";position:absolute;left:12px;top:0;bottom:0;width:2px;background:var(--border)}.timeline li{position:relative;padding-left:34px;margin:14px 0}.timeline li:before{content:"";position:absolute;left:6px;top:3px;width:12px;height:12px;background:var(--brand);border-radius:50%;box-shadow:0 0 0 3px #eef}.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}.skip-link:focus{position:fixed;left:16px;top:12px;width:auto;height:auto;padding:10px 14px;background:#111;color:#fff;border-radius:10px;box-shadow:var(--shadow);z-index:9999}.btn:focus-visible,.input:focus-visible,.select:focus-visible,a:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.hidden{display:none!important}.quad{width:100%;aspect-ratio:16/10;border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}@keyframes av-spin{to{transform:rotate(1turn)}}.spin{animation:av-spin 22s linear infinite;transform-origin:300px 200px}@keyframes av-pulse{0%,to{transform:scale(1);filter:drop-shadow(0 0 0 rgba(255,255,255,0))}50%{transform:scale(1.12);filter:drop-shadow(0 0 6px rgba(255,255,255,.25))}}.pulse{animation:av-pulse 2.4s ease-in-out infinite;transform-origin:center}@media (prefers-reduced-motion:reduce){.pulse,.spin{animation:none!important}}