:root{--bg:#fff;--fg:#222;--muted:#5b6474;--brand:#d62828;--brand-d:#a81e1e;--soft:#fff3f3;--line:#dfe5ee;--ok:#1a7f37}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:19px;line-height:1.6;color:var(--fg);background:var(--bg)}
a{color:var(--brand)}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-weight:900;font-size:30px;letter-spacing:-1px;text-decoration:none;color:var(--fg)}
.logo span{color:var(--brand)}
nav a{margin-left:20px;text-decoration:none;color:var(--fg);font-weight:600}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:12px;padding:16px 28px;font-size:20px;font-weight:700;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--brand-d)}
.btn.sec{background:#fff;color:var(--brand);border:2px solid var(--brand)}
.hero{background:var(--soft);padding:64px 0}
.hero h1{font-size:44px;line-height:1.15;margin:0 0 16px}
.hero p{font-size:22px;color:var(--muted);max-width:720px}
.search{display:flex;gap:10px;margin-top:28px;max-width:640px}
.search input{flex:1;font-size:20px;padding:16px;border:2px solid var(--line);border-radius:12px}
#res{margin-top:12px;font-weight:600}
section{padding:64px 0}
h2{font-size:34px;text-align:center;margin:0 0 12px}
.sub{text-align:center;color:var(--muted);margin-bottom:40px}
.steps,.plans,.extras{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{border:2px solid var(--line);border-radius:16px;padding:28px;background:#fff}
.num{width:48px;height:48px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;font-size:22px;display:grid;place-items:center;margin-bottom:12px}
.plan.top{border-color:var(--brand);box-shadow:0 8px 30px rgba(214,40,40,.15)}
.tag{display:inline-block;background:var(--brand);color:#fff;border-radius:999px;padding:4px 14px;font-size:15px;font-weight:700}
.price{font-size:46px;font-weight:800;margin:8px 0 0}
.price small{font-size:18px;color:var(--muted);font-weight:500}
.plan ul{list-style:none;padding:0;margin:20px 0 28px}
.plan li{padding:6px 0 6px 30px;position:relative}
.plan li:before{content:"✔";color:var(--ok);position:absolute;left:0;font-weight:800}
.plan .btn{width:100%;text-align:center}
.note{text-align:center;color:var(--muted);font-size:16px;margin-top:20px}
details{border:2px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:12px}
summary{font-weight:700;cursor:pointer}
footer{background:#222;color:#cdd3dc;padding:40px 0;font-size:16px}
footer a{color:#fff}
/* alta */
.form{max-width:680px;margin:40px auto;padding:0 16px}
.bar{height:10px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:28px}
.bar i{display:block;height:100%;background:var(--brand);width:0;transition:width .3s}
.step{display:none}.step.on{display:block}
.step h2{text-align:left;font-size:30px}
label{display:block;font-weight:700;margin:18px 0 6px}
input,textarea,select{width:100%;font-size:19px;padding:14px;border:2px solid var(--line);border-radius:12px;font-family:inherit}
.opts{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.opt{border:2px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;text-align:center;font-weight:600}
.opt input{display:none}
.opt:has(input:checked){border-color:var(--brand);background:var(--soft)}
.sw{height:40px;border-radius:8px;margin-bottom:8px}
.nav{display:flex;justify-content:space-between;margin-top:32px;gap:12px}
.help{color:var(--muted);font-size:16px}
@media(max-width:700px){.hero h1{font-size:32px}nav a:not(.btn){display:none}.search{flex-direction:column}}