/* ==========================================================================
   H4 Company — Landing PWA (teste de validação)
   Paleta tirada do layout de referência: navy profundo + ciano de marca.
   ========================================================================== */

:root{
  --bg:#0A1628;
  --bg-deep:#060F1C;
  --card:#0E0E10;
  --card-line:#232329;
  --input:#141417;
  --input-line:#2C2C33;
  --cyan:#22D3EE;
  --cyan-2:#00C2FF;
  --cyan-soft:rgba(34,211,238,.14);
  --txt:#FFFFFF;
  --muted:#9AA4B2;
  --muted-2:#6B7280;
  --danger:#F87171;
  --ok:#34D399;
  --r:12px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}

/* [hidden] precisa vencer o display:flex/grid das classes abaixo.
   Sem isto o chat e a barra de instalação nascem visíveis. */
[hidden]{display:none !important}
body{
  background:var(--bg-deep);
  color:var(--txt);
  font-family:'Inter','Segoe UI',Roboto,-apple-system,BlinkMacSystemFont,Helvetica,Arial,sans-serif;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

/* ---------- fundo ---------- */
.bg-grid{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    linear-gradient(180deg,#0B1A2E 0%,#08152A 45%,#060F1C 100%);
}
.bg-grid::after{
  content:''; position:absolute; inset:0; opacity:.35;
  background-image:
    repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 84px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.022) 0 1px,transparent 1px 120px);
  mask-image:linear-gradient(180deg,transparent,#000 20%,#000 70%,transparent);
}
.bg-glow{
  position:fixed; z-index:0; pointer-events:none;
  width:900px; height:900px; left:-260px; top:120px; border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.10) 0%,transparent 62%);
  filter:blur(20px);
}

/* ---------- topo ---------- */
.topbar{position:relative; z-index:2; display:flex; justify-content:center; padding:26px 20px 6px}
.logo{width:96px; height:96px; object-fit:contain; border-radius:10px}

/* ---------- layout ---------- */
.wrap{
  position:relative; z-index:2;
  max-width:1240px; margin:0 auto; padding:28px 22px 90px;
  display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;
  min-height:calc(100vh - 140px);
}

/* ---------- pitch ---------- */
.pitch h1{
  font-size:clamp(34px,4.4vw,58px); line-height:1.06; letter-spacing:-.02em;
  font-weight:800; margin:0 0 22px;
}
.pitch h1 .hl{color:var(--cyan)}
.sub{font-size:clamp(16px,1.35vw,21px); line-height:1.55; color:#D6DDE6; margin:0 0 30px; max-width:34ch}
.sub strong{color:var(--cyan); font-weight:700}

.btn-ghost{
  appearance:none; cursor:pointer;
  background:rgba(34,211,238,.05); color:#EAF9FD;
  border:1.5px solid rgba(34,211,238,.55); border-radius:999px;
  padding:16px 34px; font-size:14px; font-weight:700; letter-spacing:.09em; text-transform:uppercase;
  transition:background .18s ease, border-color .18s ease, transform .18s ease;
}
.btn-ghost:hover{background:rgba(34,211,238,.14); border-color:var(--cyan); transform:translateY(-1px)}
.btn-ghost.sm{padding:12px 24px; font-size:12.5px}

/* ---------- card do form ---------- */
.card{
  background:var(--card); border:1px solid var(--card-line); border-radius:20px;
  padding:34px 32px 36px; box-shadow:0 26px 70px rgba(0,0,0,.55);
}
.card-title{
  color:var(--cyan); text-align:center; font-size:26px; font-weight:800;
  margin:0 0 26px; letter-spacing:-.01em;
}

.field{margin-bottom:18px}
label{
  display:block; font-size:11.5px; font-weight:700; letter-spacing:.1em; text-transform:uppercase;
  color:#C9D2DC; margin-bottom:8px; line-height:1.5;
}
.req{color:var(--cyan); margin-left:2px}

input[type=text],input[type=email],input[type=tel],select{
  width:100%; background:var(--input); color:var(--txt);
  border:1px solid var(--input-line); border-radius:var(--r);
  padding:14px 15px; font-size:15px; font-family:inherit; outline:none;
  transition:border-color .16s ease, box-shadow .16s ease;
}
input::placeholder{color:#5A6472}
input:focus,select:focus{border-color:var(--cyan); box-shadow:0 0 0 3px var(--cyan-soft)}
input.bad,select.bad{border-color:var(--danger)}

.phone{display:flex; gap:10px}
.ddi{
  display:flex; align-items:center; gap:7px; white-space:nowrap;
  background:var(--input); border:1px solid var(--input-line); border-radius:var(--r);
  padding:0 15px; font-size:15px; color:#D6DDE6;
}
.flag{font-size:17px}

.select-wrap{position:relative}
.select-wrap::after{
  content:''; position:absolute; right:16px; top:50%; width:9px; height:9px;
  border-right:2px solid #7A8695; border-bottom:2px solid #7A8695;
  transform:translateY(-70%) rotate(45deg); pointer-events:none;
}
select{appearance:none; -webkit-appearance:none; padding-right:40px; cursor:pointer}
select:invalid{color:#5A6472}
select option{background:#141417; color:var(--txt)}

.choices{display:flex; gap:30px; padding-top:4px}
.choice{
  display:flex; align-items:center; gap:9px; cursor:pointer; margin:0;
  font-size:13px; font-weight:700; letter-spacing:.08em; color:#C9D2DC; text-transform:uppercase;
}
.choice input{position:absolute; opacity:0; width:0; height:0}
.box{
  width:18px; height:18px; border:1.5px solid #3A4250; border-radius:4px;
  display:inline-block; position:relative; transition:all .16s ease;
}
.choice input:checked + .box{background:var(--cyan); border-color:var(--cyan)}
.choice input:checked + .box::after{
  content:''; position:absolute; left:5px; top:1px; width:5px; height:10px;
  border-right:2px solid #06202A; border-bottom:2px solid #06202A; transform:rotate(42deg);
}
.choice input:focus-visible + .box{box-shadow:0 0 0 3px var(--cyan-soft)}

.err{display:block; color:var(--danger); font-size:12.5px; margin-top:6px; min-height:0}
.err:empty{margin:0}

.btn-primary{
  width:100%; appearance:none; cursor:pointer; margin-top:8px;
  background:linear-gradient(180deg,var(--cyan) 0%,var(--cyan-2) 100%); color:#04202B;
  border:0; border-radius:999px; padding:18px 24px;
  font-size:15px; font-weight:800; letter-spacing:.09em; text-transform:uppercase;
  transition:filter .18s ease, transform .18s ease;
}
.btn-primary:hover{filter:brightness(1.08); transform:translateY(-1px)}
.btn-primary:disabled{opacity:.55; cursor:progress; transform:none}
.btn-primary.sm{width:auto; padding:13px 26px; font-size:13px}

/* ---------- estados ---------- */
.state{text-align:center; padding:18px 4px 6px}
.state-icon{
  width:56px; height:56px; margin:0 auto 18px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; font-size:26px;
  background:rgba(248,113,113,.12); color:var(--danger); border:1.5px solid rgba(248,113,113,.4);
}
.state-icon.ok{background:rgba(52,211,153,.12); color:var(--ok); border-color:rgba(52,211,153,.4)}
.state h3{font-size:21px; margin:0 0 12px; font-weight:800}
.state p{color:var(--muted); font-size:15px; line-height:1.6; margin:0 0 12px}
.state p.small{font-size:13.5px; color:var(--muted-2)}

/* ---------- chat embedded ---------- */
.ok-head{display:flex; align-items:center; gap:14px; text-align:left; margin-bottom:18px}
.ok-head h3{font-size:18px; margin:0 0 3px}
.ok-head p{font-size:13.5px; margin:0}
.state-icon.sm{width:40px; height:40px; margin:0; font-size:19px; flex-shrink:0}

/* O widget vem com altura própria (--chat-widget-height:83vh, max-height:625px,
   width:340px). Precisa ser sobrescrito em PIXEL: com `100%` o layout interno
   colapsa — a área de mensagens some e o campo de digitar sobe para o topo. */
.chat-slot{
  position:relative; width:100%; height:540px;
  border:1px solid var(--card-line); border-radius:14px; overflow:hidden; background:#0A0A0C;
}
.chat-slot chat-widget{
  display:block;
  --chat-widget-width:100%;
  --chat-widget-height:540px;
  --chat-widget-max-height:540px;
  --chat-widget-primary-color:#22D3EE;
  --chat-widget-active-color:#22D3EE;
}
.chat-loading{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  color:var(--muted-2); font-size:13.5px;
}

/* ---------- página do chat (chat.html) ---------- */
.chat-page{min-height:100vh; display:flex; flex-direction:column}
.chat-top{
  position:relative; z-index:2; display:flex; align-items:center; gap:14px;
  padding:16px 20px; padding-top:calc(16px + env(safe-area-inset-top));
  border-bottom:1px solid var(--card-line); background:rgba(10,14,22,.7);
}
.chat-logo{width:44px; height:44px; object-fit:contain; border-radius:9px; flex-shrink:0}
.chat-top-txt{display:flex; flex-direction:column; gap:2px; min-width:0}
.chat-top-txt strong{font-size:16px}
.chat-top-txt span{font-size:12.5px; color:var(--muted); line-height:1.4}
.chat-wrap{
  position:relative; z-index:2; flex:1; display:flex;
  padding:16px; padding-bottom:calc(16px + env(safe-area-inset-bottom));
  max-width:720px; width:100%; margin:0 auto;
}
/* A altura vai em PIXEL (o widget colapsa com %); o valor real é calculado
   em runtime por chat.js e escrito em --chat-widget-height. */
.chat-slot.full{flex:1; height:auto; min-height:420px}

/* ---------- tela intermediária: cadastro feito ---------- */
.state-actions{display:flex; flex-direction:column; gap:10px; align-items:center; margin-top:6px}
.link-plain{
  appearance:none; background:none; border:0; cursor:pointer;
  color:var(--muted); font-size:13px; text-decoration:underline; padding:6px;
}
.link-plain:hover{color:var(--txt)}
.ios-steps{
  text-align:left; background:#141417; border:1px solid var(--input-line); border-radius:12px;
  padding:14px 16px; margin:4px 0 12px; font-size:13.5px; color:#C9D2DC; line-height:1.7;
}
.ios-steps b{color:var(--cyan)}

/* ---------- barra de instalação ---------- */
.install{
  position:fixed; z-index:60; left:50%; transform:translateX(-50%);
  bottom:18px; width:min(620px,calc(100vw - 28px));
  display:flex; align-items:center; gap:14px; justify-content:space-between;
  background:#101014; border:1px solid var(--card-line); border-radius:16px;
  padding:14px 16px; box-shadow:0 18px 50px rgba(0,0,0,.6);
}
.install-txt{display:flex; flex-direction:column; gap:3px; min-width:0}
.install-txt strong{font-size:14.5px}
.install-txt span{font-size:12.5px; color:var(--muted); line-height:1.45}
.install-actions{display:flex; align-items:center; gap:8px; flex-shrink:0}
.btn-close{
  appearance:none; cursor:pointer; background:transparent; color:var(--muted-2);
  border:0; font-size:16px; padding:6px 8px; border-radius:8px;
}
.btn-close:hover{color:var(--txt); background:rgba(255,255,255,.06)}

/* ---------- mock do chat ---------- */
.mock-chat{
  position:fixed; z-index:70; right:20px; bottom:20px;
  width:min(370px,calc(100vw - 32px)); height:min(520px,70vh);
  background:#0E0E10; border:1px solid var(--card-line); border-radius:16px;
  display:flex; flex-direction:column; overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.65);
}
.mock-head{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:14px 14px; border-bottom:1px solid var(--card-line); background:#121216;
}
.mock-head strong{display:block; font-size:14.5px}
.mock-status{display:block; font-size:11px; color:#F0A868; margin-top:2px}
.mock-body{flex:1; overflow-y:auto; padding:16px 14px; display:flex; flex-direction:column; gap:10px}
.msg{max-width:82%; padding:11px 13px; border-radius:14px; font-size:14px; line-height:1.45}
.msg.them{background:#1A1A20; color:#E6EAF0; align-self:flex-start; border-bottom-left-radius:4px}
.msg.me{background:var(--cyan); color:#04202B; align-self:flex-end; border-bottom-right-radius:4px; font-weight:500}
.mock-foot{display:flex; gap:8px; padding:12px; border-top:1px solid var(--card-line); background:#121216}
.mock-foot input{flex:1; padding:11px 13px; font-size:14px}
.mock-foot button{
  appearance:none; cursor:pointer; background:var(--cyan); color:#04202B; border:0;
  border-radius:10px; padding:0 16px; font-weight:700; font-size:13.5px;
}

/* ---------- diagnóstico ---------- */
.diag-toggle{
  position:fixed; z-index:80; left:16px; bottom:16px; width:38px; height:38px;
  border-radius:50%; border:1px solid var(--card-line); background:#101014;
  color:var(--muted); cursor:pointer; font-size:16px;
}
.diag-toggle:hover{color:var(--cyan); border-color:var(--cyan)}
.diag{
  position:fixed; z-index:80; left:16px; bottom:64px; width:min(330px,calc(100vw - 32px));
  background:#101014; border:1px solid var(--card-line); border-radius:12px; padding:14px;
  font-size:12.5px; box-shadow:0 18px 50px rgba(0,0,0,.6);
}
.diag strong{display:block; margin-bottom:10px; font-size:13px}
.diag ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:7px}
.diag li{display:flex; gap:8px; color:var(--muted); line-height:1.45}
.diag li b{color:#D6DDE6; font-weight:600}

/* ---------- responsivo ---------- */
@media (max-width:980px){
  .wrap{grid-template-columns:1fr; gap:34px; padding:20px 16px 100px; min-height:0}
  .pitch{text-align:center}
  .sub{margin-left:auto; margin-right:auto}
  .card{padding:26px 20px 30px}
  .logo{width:78px; height:78px}
  .mock-chat{right:12px; left:12px; width:auto; height:min(72vh,540px)}
  .install{bottom:12px}
}
@media (max-width:420px){
  .pitch h1{font-size:31px}
  .install{flex-direction:column; align-items:stretch; gap:10px}
  .install-actions{justify-content:space-between}
}