:root{--bg:#f6f8fc;--surface:#fff;--text:#0f172a;--muted:#5b6478;--line:#e3e8f2;--brand:#1d4ed8;--brand-dark:#1e3fa8;--brand-soft:#e8efff;--on-brand:#fff;--ok:#137a3f;--ok-soft:#e4f6ec;--warn:#92400e;--warn-soft:#fff4dc;--danger:#b42318;--danger-soft:#fdecea;--radius:14px;--shadow:0 1px 2px #0f172a0d, 0 8px 24px #0f172a0f;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0b1020;--surface:#131a2e;--text:#e8ecf6;--muted:#9aa5bf;--line:#243050;--brand:#6d9bff;--brand-dark:#8fb2ff;--brand-soft:#1b2a52;--on-brand:#0b1020;--ok:#5ad08a;--ok-soft:#12301f;--warn:#f3c57a;--warn-soft:#3a2c10;--danger:#ff8a80;--danger-soft:#3a1714;--shadow:0 1px 2px #0000004d, 0 8px 24px #00000059;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.55}a{color:var(--brand)}h1,h2,h3{margin:0 0 .6rem;line-height:1.2}h1{letter-spacing:-.02em;font-size:clamp(1.9rem,4.5vw,2.8rem)}h2{letter-spacing:-.01em;font-size:clamp(1.35rem,3vw,1.75rem)}h3{font-size:1.1rem}p{margin:0 0 1rem}.container{width:100%;max-width:1040px;margin:0 auto;padding:0 16px}.narrow{max-width:460px}.prose{max-width:760px}.site-header{z-index:10;background:color-mix(in srgb, var(--surface) 90%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0}.site-header .container{justify-content:space-between;align-items:center;gap:12px;min-height:60px;display:flex}.brand{color:var(--text);align-items:center;gap:10px;font-weight:700;text-decoration:none;display:inline-flex}.brand img{border-radius:7px;width:28px;height:28px}.nav{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.nav a{color:var(--muted);border-radius:10px;padding:8px 12px;font-weight:500;text-decoration:none}.nav a:hover,.nav a[aria-current=page]{background:var(--brand-soft);color:var(--brand)}.site-footer{border-top:1px solid var(--line);color:var(--muted);margin-top:64px;padding:20px 0 32px;font-size:.9rem}.site-footer .container{flex-wrap:wrap;justify-content:space-between;gap:8px 24px;display:flex}.site-footer a{color:var(--muted)}main{min-height:60vh;padding:32px 0 0}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.card+.card{margin-top:20px}.stack>*+*{margin-top:16px}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.muted{color:var(--muted)}.small{font-size:.875rem}.btn{background:var(--brand);color:var(--on-brand);font:inherit;cursor:pointer;border:1px solid #0000;border-radius:11px;justify-content:center;align-items:center;gap:8px;padding:11px 18px;font-weight:600;text-decoration:none;display:inline-flex}.btn:hover{background:var(--brand-dark)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.secondary{background:var(--surface);color:var(--text);border-color:var(--line)}.btn.secondary:hover{background:var(--brand-soft)}.btn.danger{background:var(--danger);color:#fff}.btn.block{width:100%}label{margin-bottom:6px;font-size:.9rem;font-weight:600;display:block}input[type=text],input[type=email],input[type=password],textarea,select{border:1px solid var(--line);background:var(--bg);width:100%;color:var(--text);font:inherit;border-radius:10px;padding:11px 12px}input:focus,textarea:focus,select:focus,.btn:focus-visible,a:focus-visible{outline:2px solid var(--brand);outline-offset:2px}textarea{resize:vertical;min-height:140px}.check{align-items:flex-start;gap:10px;font-weight:400;display:flex}.check input{margin-top:4px}.alert{border-radius:10px;padding:12px 14px;font-size:.95rem}.alert.ok{background:var(--ok-soft);color:var(--ok)}.alert.warn{background:var(--warn-soft);color:var(--warn)}.alert.error{background:var(--danger-soft);color:var(--danger)}.alert.info{background:var(--brand-soft);color:var(--brand)}.badge{background:var(--brand-soft);color:var(--brand);border-radius:999px;padding:3px 10px;font-size:.8rem;font-weight:700;display:inline-block}.badge.pro{background:var(--warn-soft);color:var(--warn)}.hero{text-align:center;padding:40px 0 24px}.hero p.lead{color:var(--muted);max-width:640px;margin:0 auto 24px;font-size:1.15rem}.hero .row{justify-content:center}.grid{gap:16px;display:grid}.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.step-no{background:var(--brand);width:32px;height:32px;color:var(--on-brand);border-radius:50%;place-items:center;margin-bottom:10px;font-weight:700;display:inline-grid}section.block{margin-top:56px}.price{font-size:2rem;font-weight:800}ul.ticks{margin:12px 0 0;padding:0;list-style:none}ul.ticks li{margin-bottom:8px;padding-left:26px;position:relative}ul.ticks li:before{content:"✓";color:var(--ok);font-weight:800;position:absolute;left:0}pre.memory{white-space:pre-wrap}@media (width<=560px){.card{padding:18px}.nav a{padding:8px}}