:root {
  --bg: #050505;
  --card: #111111;
  --border: #2a2a2a;
  --gold: #d4af37;
  --gold-hover: #e8c766;
  --text: #ffffff;
  --muted: #b5b5b5;
  --danger: #e2555a;
  --radius: 18px;
  --ease: 250ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--text);
  font-family: "Poppins", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Textura discreta de fibra de carbono + halo dourado de estádio */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.016) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(-45deg, rgba(0, 0, 0, 0.5) 0 1px, transparent 1px 4px),
    radial-gradient(120% 80% at 50% -10%, rgba(212, 175, 55, 0.07), transparent 60%),
    radial-gradient(90% 60% at 50% 110%, rgba(212, 175, 55, 0.04), transparent 65%);
}

#particles {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.stage {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 48px 24px;
}

/* ---------------------------------- CARD --------------------------------- */

.card {
  position: relative;
  width: 100%;
  max-width: 650px;
  padding: 56px 56px 40px;
  background: linear-gradient(180deg, #141414 0%, var(--card) 55%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow:
    0 1px 0 rgba(212, 175, 55, 0.13) inset,
    0 30px 70px -20px rgba(0, 0, 0, 0.9),
    0 0 60px -30px rgba(212, 175, 55, 0.22);
  animation: rise 600ms var(--ease) both;
}

/* fio dourado no topo do card */
.card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.75;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

.card__head {
  text-align: center;
  margin-bottom: 40px;
}

.logo {
  width: 120px;
  height: 120px;
  object-fit: contain;
  border-radius: 16px;
  filter: drop-shadow(0 0 26px rgba(212, 175, 55, 0.28));
}

.card__head h1 {
  margin: 24px 0 10px;
  font-size: clamp(1.5rem, 4.4vw, 2rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
}

.gold {
  color: var(--gold);
  background: linear-gradient(180deg, var(--gold-hover), var(--gold) 60%, #a8842a);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* --------------------------------- FIELDS -------------------------------- */

.field { margin-bottom: 20px; }

.field label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.045em;
  text-transform: uppercase;
  color: var(--muted);
}

.control { position: relative; }

.control__icon {
  position: absolute;
  top: 50%;
  left: 18px;
  transform: translateY(-50%);
  display: flex;
  width: 20px;
  height: 20px;
  color: #6e6e6e;
  pointer-events: none;
  transition: color var(--ease);
}

.control__icon svg { width: 100%; height: 100%; }

.control input {
  width: 100%;
  padding: 16px 18px 16px 52px;
  color: var(--text);
  font: inherit;
  font-size: 0.98rem;
  background: #0b0b0b;
  border: 1px solid var(--border);
  border-radius: 12px;
  outline: none;
  transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
}

.control input::placeholder { color: #5f5f5f; }

.control input:hover:not(:focus) { border-color: #3a3a3a; }

.control input:focus {
  background: #0d0d0b;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.14), 0 0 22px -6px rgba(212, 175, 55, 0.45);
}

.control input:focus ~ .control__icon,
.control:focus-within .control__icon { color: var(--gold); }

/* Indicativo do país: fica dentro do mesmo input, à direita do ícone. */
#ddi {
  position: absolute;
  top: 50%;
  left: 46px;
  transform: translateY(-50%);
  padding: 4px 4px 4px 6px;
  color: var(--gold);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  border-radius: 0;
  cursor: pointer;
  outline: none;
  appearance: none;
}

#ddi option { color: var(--text); background: #111111; }

#ddi:focus-visible { outline: 2px solid var(--gold-hover); outline-offset: 2px; }

#telefone { padding-left: 122px; }

.field.is-invalid #ddi { border-right-color: var(--danger); }

.field.is-invalid .control input {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(226, 85, 90, 0.12);
}

.field.is-invalid .control__icon { color: var(--danger); }

.error {
  min-height: 1.1em;
  margin: 7px 0 0;
  color: var(--danger);
  font-size: 0.8rem;
  opacity: 0;
  transform: translateY(-3px);
  transition: opacity var(--ease), transform var(--ease);
}

.field.is-invalid .error { opacity: 1; transform: none; }

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

/* --------------------------------- BUTTON -------------------------------- */

.submit {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  margin-top: 12px;
  padding: 18px 24px;
  color: #050505;
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: linear-gradient(180deg, var(--gold-hover), var(--gold) 55%, #b8942e);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 8px 24px -12px rgba(212, 175, 55, 0.6);
  transition: transform var(--ease), box-shadow var(--ease), filter var(--ease);
}

.submit:hover:not(:disabled) {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 14px 34px -10px rgba(212, 175, 55, 0.62), 0 0 0 1px rgba(232, 199, 102, 0.5);
}

.submit:active:not(:disabled) { transform: translateY(0); }

.submit:focus-visible {
  outline: 2px solid var(--gold-hover);
  outline-offset: 3px;
}

.submit:disabled { cursor: not-allowed; filter: saturate(0.55) brightness(0.85); }

.submit__spinner {
  display: none;
  width: 17px;
  height: 17px;
  border: 2px solid rgba(5, 5, 5, 0.28);
  border-top-color: #050505;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

.submit.is-loading .submit__spinner { display: block; }

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

.form-status {
  min-height: 1.2em;
  margin: 14px 0 0;
  color: var(--danger);
  font-size: 0.85rem;
  text-align: center;
}

/* -------------------------------- SUCCESS -------------------------------- */

.success {
  text-align: center;
  padding: 12px 0 4px;
  animation: rise 420ms var(--ease) both;
}

.success__badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  margin: 0 auto 22px;
  color: var(--gold);
  border: 1px solid rgba(212, 175, 55, 0.45);
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.07);
  box-shadow: 0 0 36px -10px rgba(212, 175, 55, 0.55);
}

.success__badge svg { width: 30px; height: 30px; }

.success h2 {
  margin: 0 0 10px;
  font-size: 1.5rem;
  font-weight: 800;
}

.success p {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 0.95rem;
}

.ghost {
  padding: 13px 26px;
  color: var(--gold);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  background: transparent;
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 12px;
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.ghost:hover {
  color: var(--gold-hover);
  background: rgba(212, 175, 55, 0.09);
  border-color: var(--gold-hover);
}

/* --------------------------------- FOOTER -------------------------------- */

.card__foot {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  color: #6a6a6a;
  font-size: 0.76rem;
  text-align: center;
  letter-spacing: 0.02em;
}

.dot { color: var(--gold); opacity: 0.7; }

/* ----------------------------- RESPONSIVIDADE ---------------------------- */

@media (max-width: 768px) {
  .card { padding: 44px 36px 32px; }
}

@media (max-width: 520px) {
  .stage { padding: 24px 12px; align-items: flex-start; }
  .card { padding: 34px 20px 26px; border-radius: 16px; }
  .logo { width: 92px; height: 92px; }
  .card__head { margin-bottom: 30px; }
  .control input { padding: 15px 16px 15px 48px; font-size: 1rem; }
  .control__icon { left: 16px; }
  #ddi { left: 43px; }
  #telefone { padding-left: 118px; }
  .submit { padding: 17px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  #particles { display: none; }
}