:root{--bg:#f8fafc;--ink:#0f172a;--muted:#475569;--card:#fff;--line:#dbe4ef;--brand:#0f766e;--brand-dark:#115e59;--soft:#ccfbf1;--warn:#fef3c7}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--ink)}.hero{padding:52px 20px 34px;background:linear-gradient(135deg,#0f172a,#134e4a);color:white}.hero>*{max-width:1060px;margin-left:auto;margin-right:auto}.eyebrow{margin:0 0 10px;font-size:.78rem;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:#0d9488}.hero .eyebrow,.promo .eyebrow{color:#99f6e4}h1{font-size:clamp(2.1rem,5vw,4.7rem);line-height:1;margin:0 0 16px}.lead{font-size:1.15rem;line-height:1.7;max-width:780px;color:#dbeafe}main{max-width:1120px;margin:0 auto;padding:26px 18px 60px}.promo,.tool,.result{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px;margin:18px 0;box-shadow:0 18px 42px rgba(15,23,42,.07)}.promo{display:grid;grid-template-columns:1fr 360px;gap:22px;align-items:center;background:linear-gradient(135deg,#0f172a,#0f766e);color:white}.promo p{color:#dffcf7}.promo h2{font-size:1.7rem;margin:.1rem 0 .7rem}.video-wrap{position:relative;aspect-ratio:16/9;border-radius:18px;overflow:hidden;background:#020617}.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.tool-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}h2{margin:0;font-size:1.55rem}.grid{display:grid;gap:16px}.two{grid-template-columns:repeat(2,minmax(0,1fr))}label{display:grid;gap:7px;font-weight:800;color:#1e293b}input,textarea,select{width:100%;border:1px solid #cbd5e1;border-radius:14px;padding:12px 13px;font:inherit;background:#fff;color:var(--ink)}textarea{resize:vertical}fieldset{border:1px solid var(--line);border-radius:18px;margin:18px 0;padding:16px;display:grid;gap:10px;background:#f8fafc}legend{font-weight:900;padding:0 8px}fieldset label{display:flex;align-items:flex-start;gap:10px;font-weight:650;color:#334155}fieldset input{width:auto;margin-top:4px}.primary,.secondary{border:0;border-radius:999px;padding:12px 18px;font-weight:900;cursor:pointer}.primary{background:var(--brand);color:white;margin-top:8px}.primary:hover{background:var(--brand-dark)}.secondary{background:#e2e8f0;color:#0f172a}.result pre{white-space:pre-wrap;line-height:1.65;background:#0f172a;color:#e2e8f0;border-radius:18px;padding:18px;min-height:220px;overflow:auto}footer{max-width:1120px;margin:0 auto;padding:0 18px 40px;color:var(--muted)}a{color:#0f766e;font-weight:900}@media(max-width:820px){.promo,.two{grid-template-columns:1fr}.tool-head{align-items:flex-start;flex-direction:column}.secondary{width:100%}}