:root{--bg: #0b1120;--bg-2: #0e1628;--surface: #131d33;--surface-2: #1a2542;--border: #233150;--border-bright: #31456f;--text: #f1f5f9;--text-dim: #a3b1c9;--text-mute: #64748b;--brand: #818cf8;--brand-2: #22d3ee;--brand-grad: linear-gradient(100deg, #818cf8, #22d3ee);--g-a: #22c55e;--g-b: #84cc16;--g-c: #eab308;--g-d: #f97316;--g-f: #ef4444;--radius: 16px;--radius-lg: 24px;--shadow: 0 20px 60px -20px rgba(0, 0, 0, .6);--maxw: 1080px;--font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(1200px 600px at 50% -10%,#16233f 0%,var(--bg) 55%);color:var(--text);font-family:var(--font);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100vh}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}.site-header{display:flex;align-items:center;justify-content:space-between;padding:22px 0}.logo{font-weight:800;font-size:22px;letter-spacing:-.02em;color:var(--text);display:inline-flex;align-items:center;gap:2px}.logo .dot{color:var(--brand)}.logo:hover{text-decoration:none}.nav{display:flex;gap:26px;align-items:center}.nav a{color:var(--text-dim);font-size:15px;font-weight:500}.nav a:hover{color:var(--text);text-decoration:none}.hero{text-align:center;padding:56px 0 20px}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--text-dim);background:var(--surface);border:1px solid var(--border);padding:7px 14px;border-radius:999px;margin-bottom:26px}.eyebrow .pulse{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 #22d3ee80;animation:pulse 2.2s infinite}@keyframes pulse{0%{box-shadow:0 0 #22d3ee73}70%{box-shadow:0 0 0 9px #22d3ee00}to{box-shadow:0 0 #22d3ee00}}h1.title{font-size:clamp(2.2rem,5.5vw,3.9rem);line-height:1.05;letter-spacing:-.03em;font-weight:800;margin:0 0 18px}h1.title .grad{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}.subtitle{font-size:clamp(1.05rem,2.2vw,1.28rem);color:var(--text-dim);max-width:620px;margin:0 auto 36px}.scan{max-width:640px;margin:0 auto}.scan-row{display:flex;gap:10px;background:var(--surface);border:1px solid var(--border-bright);border-radius:999px;padding:8px 8px 8px 22px;box-shadow:var(--shadow);transition:border-color .15s}.scan-row:focus-within{border-color:var(--brand)}.scan-row input{flex:1;background:transparent;border:none;outline:none;color:var(--text);font-size:17px;font-family:inherit;min-width:0}.scan-row input::placeholder{color:var(--text-mute)}.btn{font-family:inherit;font-weight:700;font-size:16px;border:none;cursor:pointer;border-radius:999px;padding:13px 26px;color:#0b1120;background:var(--brand-grad);transition:transform .12s ease,filter .12s ease;white-space:nowrap}.btn:hover{filter:brightness(1.07);transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:default;transform:none;filter:none}.btn-ghost{background:var(--surface-2);color:var(--text);border:1px solid var(--border-bright)}.scan-hint{color:var(--text-mute);font-size:13.5px;margin-top:14px;text-align:center}.scan-examples{margin-top:18px;display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.chip{background:var(--surface);border:1px solid var(--border);color:var(--text-dim);font-size:13px;padding:6px 13px;border-radius:999px;cursor:pointer;font-family:inherit}.chip:hover{border-color:var(--brand);color:var(--text)}.error-msg{color:#fca5a5;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:12px;padding:12px 16px;margin-top:18px;font-size:15px;text-align:center}.result{margin:40px auto 0;max-width:940px;animation:rise .5s cubic-bezier(.16,1,.3,1)}@keyframes rise{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}.result-hero{display:grid;grid-template-columns:260px 1fr;gap:32px;align-items:center;background:linear-gradient(180deg,var(--surface),var(--bg-2));border:1px solid var(--border);border-radius:var(--radius-lg);padding:34px}@media (max-width: 680px){.result-hero{grid-template-columns:1fr;text-align:center;justify-items:center}}.gauge{position:relative;width:220px;height:220px}.gauge svg{transform:rotate(-90deg)}.gauge .ring-bg{stroke:var(--surface-2)}.gauge .ring-fg{stroke-linecap:round;transition:stroke-dashoffset 1s cubic-bezier(.16,1,.3,1)}.gauge-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.gauge-score{font-size:64px;font-weight:800;line-height:1;letter-spacing:-.03em}.gauge-outof{color:var(--text-mute);font-size:15px;font-weight:600}.result-headline .grade-pill{display:inline-block;font-weight:800;font-size:15px;padding:6px 15px;border-radius:999px;color:#0b1120;margin-bottom:14px}.result-headline h2{font-size:27px;line-height:1.2;margin:0 0 10px;letter-spacing:-.02em}.result-headline .scanned-url{color:var(--text-dim);font-size:15px;word-break:break-all}.result-headline .cap-note{margin-top:14px;font-size:14px;color:#fcd34d;background:#eab3081a;border:1px solid rgba(234,179,8,.25);border-radius:10px;padding:9px 13px}.section-label{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-mute);margin:38px 0 16px}.checks{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width: 680px){.checks{grid-template-columns:1fr}}.check{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}.check-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:4px}.check-title{font-weight:700;font-size:16px}.check-score{font-weight:800;font-size:18px;font-variant-numeric:tabular-nums}.check-summary{color:var(--text-dim);font-size:14px;margin:6px 0 12px}.bar{height:8px;background:var(--surface-2);border-radius:999px;overflow:hidden}.bar span{display:block;height:100%;border-radius:999px;transition:width .9s cubic-bezier(.16,1,.3,1)}.fixes{display:grid;gap:12px}.fix{display:flex;gap:16px;background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--brand);border-radius:var(--radius);padding:18px 20px}.fix-num{font-weight:800;font-size:20px;color:var(--brand);flex-shrink:0}.fix h4{margin:0 0 5px;font-size:16.5px}.fix p{margin:0;color:var(--text-dim);font-size:14.5px}.result-actions{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}.gate{margin-top:20px;background:linear-gradient(180deg,var(--surface),var(--bg-2));border:1px solid var(--border-bright);border-radius:var(--radius-lg);padding:30px;text-align:center}.gate h3{margin:0 0 8px;font-size:21px}.gate p{color:var(--text-dim);margin:0 auto 20px;max-width:460px;font-size:15px}.gate-row{display:flex;gap:10px;max-width:460px;margin:0 auto}.gate-row input{flex:1;background:var(--bg);border:1px solid var(--border-bright);border-radius:999px;padding:12px 20px;color:var(--text);font-family:inherit;font-size:15px;outline:none;min-width:0}.gate-row input:focus{border-color:var(--brand)}.gate .fineprint{color:var(--text-mute);font-size:12.5px;margin-top:14px}.hidden{display:none!important}.locked{position:relative;filter:blur(6px);opacity:.5;pointer-events:none;user-select:none}.section{padding:64px 0}.section h2.sec-title{font-size:clamp(1.6rem,3.5vw,2.3rem);letter-spacing:-.02em;text-align:center;margin:0 0 8px}.section .sec-sub{text-align:center;color:var(--text-dim);max-width:560px;margin:0 auto 44px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}@media (max-width: 780px){.grid-3{grid-template-columns:1fr}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px}.card .ic{width:42px;height:42px;border-radius:12px;background:var(--surface-2);display:grid;place-items:center;margin-bottom:16px;font-size:20px}.card h3{margin:0 0 8px;font-size:18px}.card p{margin:0;color:var(--text-dim);font-size:14.5px}.checklist{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:820px;margin:0 auto}@media (max-width: 680px){.checklist{grid-template-columns:1fr}}.checklist .item{display:flex;gap:14px;align-items:flex-start}.checklist .n{font-weight:800;color:var(--brand);background:var(--surface);border:1px solid var(--border);width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex-shrink:0;font-size:14px}.checklist h4{margin:4px 0 3px;font-size:16px}.checklist p{margin:0;color:var(--text-dim);font-size:14px}.site-footer{border-top:1px solid var(--border);margin-top:40px;padding:34px 0;color:var(--text-mute);font-size:14px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}.site-footer a{color:var(--text-dim)}.spinner{width:18px;height:18px;border:2.5px solid rgba(11,17,32,.35);border-top-color:#0b1120;border-radius:50%;animation:spin .7s linear infinite;display:inline-block;vertical-align:-3px}@keyframes spin{to{transform:rotate(360deg)}}.duel-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}@media (max-width: 680px){.duel-cols{grid-template-columns:1fr}}.duel-inputs{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center;max-width:720px;margin:0 auto}@media (max-width: 680px){.duel-inputs{grid-template-columns:1fr}}.duel-inputs input{background:var(--surface);border:1px solid var(--border-bright);border-radius:999px;padding:13px 20px;color:var(--text);font-family:inherit;font-size:16px;outline:none;min-width:0}.duel-inputs input:focus{border-color:var(--brand)}.vs{font-weight:800;color:var(--text-mute)}.winner-badge{display:inline-block;font-size:12px;font-weight:700;color:var(--g-a);border:1px solid rgba(34,197,94,.4);background:#22c55e1a;padding:3px 10px;border-radius:999px;margin-left:8px}