/* =========================================================
   LaserZete — Acesso a grupos
   As cores da marca ficam todas aqui em cima: para ajustar o
   visual, mude apenas as variáveis deste bloco.
   ========================================================= */
:root {
  --fundo: #0b0d12;
  --fundo-brilho-1: rgba(124, 58, 237, 0.30);
  --fundo-brilho-2: rgba(34, 211, 238, 0.22);
  --card: #141822;
  --card-borda: rgba(255, 255, 255, 0.08);
  --texto: #f3f5f9;
  --texto-suave: #a5adbd;
  --acento: #22d3ee;
  --acento-2: #7c3aed;
  --whatsapp: #25d366;
  --whatsapp-escuro: #1da851;
  --erro: #f87171;
  --raio: 18px;
  --fonte: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  padding: 24px 16px calc(24px + env(safe-area-inset-bottom, 0px));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--fonte);
  color: var(--texto);
  background:
    radial-gradient(60vw 60vw at 12% -10%, var(--fundo-brilho-1), transparent 60%),
    radial-gradient(55vw 55vw at 105% 110%, var(--fundo-brilho-2), transparent 60%),
    var(--fundo);
  background-attachment: fixed;
}

.card {
  width: 100%;
  max-width: 460px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01)), var(--card);
  border: 1px solid var(--card-borda);
  border-radius: var(--raio);
  padding: 32px 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

/* ---------- marca ---------- */
.brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  margin-bottom: 26px;
}

/* Logo do curso: largura fixa no desktop e proporcional em telas estreitas.
   height:auto preserva a proporcao original da imagem (300x170). */
.brand-logo {
  display: block;
  width: 180px;
  max-width: 60%;
  height: auto;
  margin: 0 auto 6px;
}

.brand-mark {
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--acento), var(--acento-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-mark strong { font-weight: 800; }

.brand-course {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--texto-suave);
}

/* ---------- textos ---------- */
h1 {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-align: center;
}

.subtitulo {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--texto-suave);
  text-align: center;
}

.subtitulo strong { color: var(--texto); }

.rodape {
  margin: 18px 0 0;
  font-size: 12px;
  color: var(--texto-suave);
  opacity: 0.75;
  text-align: center;
}

/* ---------- formulário ---------- */
.campo { display: block; }

.campo-label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--texto-suave);
}

input[type="email"] {
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  font-family: inherit;
  color: var(--texto);
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--card-borda);
  border-radius: 12px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input[type="email"]::placeholder { color: #667085; }

input[type="email"]:focus {
  outline: none;
  border-color: var(--acento);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18);
}

.erro {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--erro);
}

/* ---------- botões ---------- */
.btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  margin-top: 18px;
  padding: 15px 18px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.12s ease, filter 0.15s ease;
}

.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid rgba(34, 211, 238, 0.55); outline-offset: 2px; }

.btn-primario {
  color: #06121a;
  background: linear-gradient(90deg, var(--acento), var(--acento-2));
}

.btn-whatsapp {
  color: #04220f;
  background: linear-gradient(90deg, var(--whatsapp), var(--whatsapp-escuro));
}

.btn-secundario {
  color: var(--texto);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--card-borda);
}

/* ---------- suporte (tela de acesso confirmado) ---------- */
.suporte {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--card-borda);
}

.suporte-texto {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--texto-suave);
  text-align: center;
}

/* Discreto de proposito: o botao do grupo continua sendo o principal. */
.btn-suporte {
  margin-top: 12px;
  padding: 11px 16px;
  font-size: 12px;
  color: var(--whatsapp);
  background: rgba(37, 211, 102, 0.10);
  border: 1px solid rgba(37, 211, 102, 0.32);
}

.link-voltar {
  display: block;
  width: 100%;
  margin-top: 16px;
  padding: 6px;
  font: inherit;
  font-size: 13px;
  color: var(--texto-suave);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
}

/* ---------- carregando ---------- */
.spinner {
  width: 17px;
  height: 17px;
  border: 2px solid rgba(0, 0, 0, 0.25);
  border-top-color: #06121a;
  border-radius: 50%;
  display: none;
  animation: girar 0.7s linear infinite;
}

.btn.carregando { cursor: progress; opacity: 0.85; }
.btn.carregando .spinner { display: block; }

@keyframes girar { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .spinner { animation-duration: 2s; }
  .btn { transition: none; }
}

/* ---------- selos de resultado ---------- */
.selo {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 700;
  border-radius: 50%;
}

.selo-ok {
  color: var(--whatsapp);
  background: rgba(37, 211, 102, 0.14);
  border: 1px solid rgba(37, 211, 102, 0.35);
}

.selo-negado {
  color: var(--erro);
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.32);
}

/* ---------- acessibilidade ---------- */
.status-acessivel {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

[hidden] { display: none !important; }

@media (max-width: 420px) {
  .card { padding: 26px 20px; }
  h1 { font-size: 21px; }
}