/* Bora — landing de validação. Mobile-first, sem dependências externas. */
:root{
  --bg:#0B0A10;
  --bg-2:#121019;
  --bg-3:#171420;
  --ink:#F4F1FA;
  --ink-2:#BDB6CE;
  --muted:#8B839F;
  --line:#2A2536;
  --accent:#FF5A3C;
  --accent-2:#FFB03A;
  --ok:#3FD6A4;
  --err:#FF6B6B;
  --radius:14px;
  --f: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--f); font-size:17px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
.wrap{width:100%; max-width:720px; margin:0 auto; padding:0 20px}
.wrap.narrow{max-width:560px}
h1,h2,h3{letter-spacing:-.02em; line-height:1.1; margin:0 0 14px; font-weight:800; text-wrap:balance}
h1{font-size:clamp(32px,8.5vw,52px); line-height:1.03}
h2{font-size:clamp(24px,5.5vw,32px)}
h3{font-size:18px; line-height:1.25}
p{margin:0 0 14px; color:var(--ink-2)}
b,strong{color:var(--ink); font-weight:700}
a{color:var(--accent-2)}
:focus-visible{outline:2px solid var(--accent-2); outline-offset:3px; border-radius:6px}

/* hero */
.hero{
  padding:44px 0 40px;
  background:
    radial-gradient(120% 90% at 12% -10%, rgba(255,90,60,.30), transparent 60%),
    radial-gradient(100% 80% at 90% 0%, rgba(120,60,255,.22), transparent 55%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.brand{
  font-size:22px; font-weight:800; letter-spacing:-.04em; margin-bottom:34px;
}
.brand span{color:var(--accent)}
.brand.sm{font-size:18px; margin-bottom:14px}
.lead{font-size:18px; color:var(--ink-2); max-width:38ch}
.lead.sm{font-size:16px}
.micro{font-size:13.5px; color:var(--muted); margin:12px 0 0}
.kicker{
  font-size:11.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--muted); margin:0 0 8px; font-weight:600;
}

/* buttons */
.btn{
  display:inline-block; border:0; border-radius:999px; cursor:pointer;
  font-family:var(--f); font-size:17px; font-weight:700; letter-spacing:-.01em;
  padding:15px 26px; text-decoration:none; text-align:center;
  transition:transform .12s ease, opacity .12s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent); color:#160B08}
.btn-ghost{background:transparent; color:var(--ink); border:1px solid var(--line); background:var(--bg-3)}
.btn-block{display:block; width:100%; margin-top:8px}
.btn-hero{margin-top:22px}
.btn[disabled]{opacity:.55; cursor:progress}

/* bands */
.band{padding:44px 0; border-bottom:1px solid var(--line)}
.band.alt{background:var(--bg-2)}
.form-band{background:var(--bg-2)}
.venue{background:var(--bg); padding-top:40px}

/* steps */
.steps{list-style:none; margin:0; padding:0; counter-reset:s}
.steps li{display:grid; grid-template-columns:34px 1fr; gap:14px; padding:16px 0; border-top:1px solid var(--line)}
.steps li:first-child{border-top:0; padding-top:4px}
.steps .n{
  width:30px; height:30px; border-radius:50%; display:grid; place-items:center;
  background:var(--bg-3); border:1px solid var(--line);
  font-size:14px; font-weight:800; color:var(--accent-2);
}
.steps h3{margin:2px 0 4px}
.steps p{margin:0; font-size:15.5px}

/* cards */
.cards{display:grid; gap:12px}
.card{background:var(--bg-3); border:1px solid var(--line); border-radius:var(--radius); padding:18px}
.card h3{font-size:16.5px; margin-bottom:6px}
.card p{margin:0; font-size:15px}

/* checks */
.checks{list-style:none; margin:0; padding:0}
.checks li{position:relative; padding:0 0 14px 28px; color:var(--ink-2); font-size:15.5px}
.checks li::before{
  content:""; position:absolute; left:4px; top:9px; width:9px; height:9px;
  border-radius:50%; background:var(--accent);
}
.checks.tight li{padding-bottom:10px; font-size:15px}

details{margin:0 0 22px; border:1px solid var(--line); border-radius:var(--radius); background:var(--bg-3)}
details summary{cursor:pointer; padding:14px 18px; font-weight:600; font-size:15.5px; list-style:none}
details summary::-webkit-details-marker{display:none}
details summary::after{content:" ↓"; color:var(--muted)}
details[open] summary::after{content:" ↑"}
details .checks{padding:0 18px 6px}

/* forms */
form{margin-top:20px}
.field{margin:0 0 20px; border:0; padding:0; min-width:0}
fieldset.field{margin-bottom:22px}
label,legend{display:block; font-size:14.5px; font-weight:600; color:var(--ink); margin:0 0 7px; padding:0}
.hint{font-size:13.5px; color:var(--muted); margin:-2px 0 9px}
.opcional{color:var(--muted); font-weight:400}
input[type=text],input[type=tel],select,textarea{
  width:100%; font-family:var(--f); font-size:16.5px; color:var(--ink);
  background:var(--bg-3); border:1px solid var(--line); border-radius:12px;
  padding:13px 14px; appearance:none;
}
textarea{resize:vertical; line-height:1.45}
select{
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 22px, calc(100% - 14px) 22px;
  background-size:6px 6px, 6px 6px; background-repeat:no-repeat;
}
input::placeholder,textarea::placeholder{color:#5D566E}
input:focus,select:focus,textarea:focus{border-color:var(--accent-2); outline:none}
.row{display:grid; gap:0}

.opts{display:flex; flex-wrap:wrap; gap:9px}
.opts.stack{flex-direction:column; gap:8px}
.opt{
  display:flex; align-items:center; gap:9px; margin:0;
  background:var(--bg-3); border:1px solid var(--line); border-radius:999px;
  padding:10px 15px; font-size:15px; font-weight:500; cursor:pointer; color:var(--ink-2);
}
.opts.stack .opt{border-radius:12px; width:100%}
.opt input{
  appearance:none; -webkit-appearance:none; margin:0; flex:none;
  width:19px; height:19px; border:1.5px solid var(--muted); background:transparent;
  border-radius:5px; cursor:pointer; position:relative;
}
.opt input[type=radio]{border-radius:50%}
.opt input:checked{background:var(--accent); border-color:var(--accent)}
.opt input:checked::after{
  content:""; position:absolute; left:5.5px; top:2px; width:5px; height:10px;
  border:solid #160B08; border-width:0 2.5px 2.5px 0; transform:rotate(45deg);
}
.opt input[type=radio]:checked::after{
  left:4.5px; top:4.5px; width:7px; height:7px; border:0; border-radius:50%;
  background:#160B08; transform:none;
}
.opt:has(input:checked){border-color:var(--accent); color:var(--ink)}
.opt.consent{border-radius:12px; align-items:flex-start; padding:13px 15px}
.opt.consent input{margin-top:2px}

fieldset.highlight{
  background:var(--bg-3); border:1px solid var(--line); border-left:3px solid var(--accent);
  border-radius:12px; padding:16px;
}
fieldset.highlight legend{
  font-size:11.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--accent-2);
  margin-bottom:8px;
}
fieldset.highlight .q{font-size:17px; color:var(--ink); margin-bottom:12px; font-weight:600}

.err{color:var(--err); font-size:13.5px; margin:7px 0 0; display:none}
.err.on{display:block}
.field.bad input,.field.bad select,.field.bad textarea{border-color:var(--err)}

.form-status{margin:14px 0 0; font-size:15px; min-height:1px}
.form-status.bad{color:var(--err)}
.form-status.ok{color:var(--ok)}

.hp{position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden}

.done{
  background:var(--bg-3); border:1px solid var(--line); border-left:3px solid var(--ok);
  border-radius:12px; padding:20px; margin-top:20px;
}
.done h3{color:var(--ok)}
.done p:last-child{margin-bottom:0}

footer{padding:36px 0 60px}
footer p{font-size:14.5px; color:var(--muted)}

@media (min-width:600px){
  .row{grid-template-columns:1fr 1fr; gap:0 14px}
  .cards{grid-template-columns:repeat(3,1fr)}
  .hero{padding:64px 0 56px}
  .band{padding:56px 0}
  .btn-block{width:auto; min-width:280px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important; animation:none!important; scroll-behavior:auto!important}}
html{scroll-behavior:smooth}