:root{--bg:#0b1020;--card:#121a33;--muted:#9ca3af;--text:#f8fafc;--accent:#7c3aed;--accent2:#06b6d4;--border:#24304f}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:radial-gradient(circle at top left,#1f2a55,#0b1020 40%);color:var(--text)}a{color:inherit;text-decoration:none}.nav{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:18px 7%;background:rgba(11,16,32,.8);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.brand{font-weight:900;font-size:24px;letter-spacing:-.04em}.nav nav{display:flex;gap:16px;flex-wrap:wrap}.nav a:hover{color:#c4b5fd}.container{width:min(1100px,92%);margin:0 auto;padding:48px 0}.hero{padding:70px 0}.hero h1{font-size:clamp(38px,8vw,78px);line-height:.95;margin:10px 0 18px;letter-spacing:-.07em}.hero p,.lead{color:var(--muted);font-size:18px;max-width:720px}.badge{display:inline-block;padding:8px 12px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.04)}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:14px;padding:13px 18px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:white;font-weight:800;cursor:pointer}.btn.secondary{background:#1f2937}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.card,.panel{border:1px solid var(--border);background:rgba(18,26,51,.82);border-radius:22px;padding:22px;box-shadow:0 20px 50px rgba(0,0,0,.18)}.card:hover{transform:translateY(-3px);transition:.2s;border-color:#6d5dfc}.card h2{margin-top:0}.card p,.footer{color:var(--muted)}.tool-form{display:flex;gap:12px;margin:24px 0;flex-wrap:wrap}.input,input,.textarea,textarea{width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--border);background:#0f172a;color:var(--text)}.tool-form input{flex:1;min-width:260px}.textarea{min-height:260px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.actions{display:flex;gap:10px;margin:12px 0}.result{font-size:22px;font-weight:900;word-break:break-all}.result.big{font-size:clamp(36px,7vw,72px);margin:20px 0}.error{color:#fca5a5}pre,code{white-space:pre-wrap;word-break:break-word}.score{font-size:56px;font-weight:900}.footer{width:min(1100px,92%);margin:40px auto;padding:30px 0}.adbox{border:1px dashed #475569;border-radius:18px;padding:24px;text-align:center;color:#94a3b8;margin-bottom:20px}@media(max-width:720px){.nav{align-items:flex-start;gap:12px;flex-direction:column}.container{padding-top:26px}}