/*
 * Página de una sola cosa: conseguir el nombre y el correo y entregar el acceso.
 * Mismo lenguaje visual que UDECA, sin nada que distraiga de eso.
 */
:root {
  --bg: #000000;
  --surface: #0d0d0d;
  --surface-alt: #141414;
  --border: #232323;
  --gold: #a2968b;
  --gold-bright: #c9bdb0;
  --hairline: rgba(162, 150, 139, 0.35);
  --text: #ffffff;
  --muted: #adadad;
  --faint: #6b6b6b;
  --danger: #c4433b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  align-items: center;
}

.halo {
  position: fixed;
  inset: -30% -20% auto -20%;
  height: 80vh;
  background: radial-gradient(55% 55% at 50% 0%, rgba(162, 150, 139, 0.18), rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
}

.wrap {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  padding: 48px 24px 40px;
}

.logo { width: 56px; height: 56px; display: block; margin-bottom: 22px; }

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin: 0 0 14px;
}

h1 {
  font-family: Cinzel, Georgia, 'Times New Roman', serif;
  font-size: clamp(32px, 8vw, 44px);
  font-weight: 700;
  line-height: 1.14;
  margin: 0 0 18px;
}
h1 em { font-style: normal; color: var(--gold-bright); }

.lead { color: var(--muted); font-size: 16px; margin: 0 0 30px; }

form { display: grid; gap: 16px; }

label { display: grid; gap: 7px; }
label span {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 600;
}

input {
  width: 100%;
  padding: 15px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 16px; /* 16px evita el zoom automático de iOS al enfocar */
  font-family: inherit;
  transition: border-color 0.2s ease, background 0.2s ease;
}
input::placeholder { color: #4d4d4d; }
input:focus {
  outline: none;
  border-color: var(--hairline);
  background: var(--surface-alt);
}
input.invalid { border-color: rgba(196, 67, 59, 0.6); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, opacity 0.18s ease;
}
.btn-primary { background: linear-gradient(135deg, var(--gold-bright), var(--gold)); color: #0a0a0a; }
.btn-primary:hover { transform: translateY(-1px); background: linear-gradient(135deg, #ddd3c8, var(--gold-bright)); }
.btn[disabled] { opacity: 0.55; cursor: default; transform: none; }
.btn.big { width: 100%; padding: 18px 26px; font-size: 17px; text-decoration: none; }

.error {
  margin: 0;
  color: var(--danger);
  font-size: 14px;
}

.fine { color: var(--faint); font-size: 12.5px; margin: 6px 0 0; }
.fine code { color: var(--gold-bright); font-size: 12px; word-break: break-all; }

.ok-mark {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 30px;
  color: #0a0a0a;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  margin-bottom: 22px;
}

.secundario {
  display: inline-block;
  margin-top: 26px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
}
.secundario:hover { color: var(--gold-bright); }

footer { margin-top: 46px; color: var(--faint); font-size: 12px; }
footer p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
}