:root{--bg:#ffffff;--text:#0b1220;--muted:#6b7280;--border:#e6e9ef;--gold:#b8860b;--accent:#1f6feb}*{box-sizing:border-box}html,body,#root{height:100%}body{font-family:Inter,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);margin:0;padding:0}.container{max-width:980px;margin:0 auto;padding:20px}.nav{display:flex;align-items:center;justify-content:center;padding:10px 0;border-bottom:1px solid var(--border)}.nav .title{font-weight:700;font-size:18px}.hero{display:flex;flex-direction:column;align-items:center;gap:12px;padding:18px 12px}.hero .logo{height:96px}.hero h1{margin:0;font-size:24px}.hero .small{color:var(--muted)}.actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:8px}.btn{background:#f3f4f6;border:1px solid var(--border);padding:10px 14px;border-radius:8px;cursor:pointer;color:var(--text);font-weight:600}.tab{margin-top:18px;padding:16px;border-radius:10px;border:1px solid var(--border);background:#fff}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(2,6,23,.35);display:flex;align-items:center;justify-content:center;z-index:80}.modal{background:#fff;padding:16px;border-radius:10px;max-width:760px;width:94%;box-shadow:0 10px 30px #00000014}.input,input,select,textarea{width:100%;padding:10px;border-radius:8px;border:1px solid var(--border);margin-top:8px}.calc-row{display:flex;flex-direction:column;gap:10px}.result-card{margin-top:12px;padding:12px;background:#fbfbfb;border:1px solid #f0f0f0;border-radius:8px}.footer{margin:24px 0;color:var(--muted);text-align:center;font-size:13px}.iframe-full{width:100%;height:68vh;border:1px solid var(--border);border-radius:8px}.whatsapp{position:fixed;right:16px;bottom:16px;background:var(--gold);padding:12px 16px;border-radius:30px;color:#fff;text-decoration:none;font-weight:700;box-shadow:0 6px 18px #0000001f}@media (min-width:721px){.hero{flex-direction:row;align-items:center}.hero .left{flex:1;display:flex;gap:12px;align-items:center}.hero .right{margin-left:auto}}input,textarea,select{font-size:12px!important}input,select,textarea{font-size:12px;padding:8px;border-radius:6px}.btn{padding:8px 12px;font-size:12px;border-radius:6px}label{font-size:12px}