@font-face {
  font-family: 'Titulos';
  src: url('../vendor/dm-serif-display-latin-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --acento: #d4a54a;
  --fondo: #121110;
  --superficie: #1c1a18;
  --superficie-2: #26231f;
  --borde: #34302a;
  --texto: #f5f0e8;
  --texto-suave: #a8a095;
  --peligro: #f08a75;
  --aviso: #f2c063;
  --ok: #8fd19e;
  --radio: 20px;
  --sombra: 0 10px 30px rgba(0, 0, 0, .35);
  --titulos: 'Titulos', Georgia, 'Times New Roman', serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background:
    radial-gradient(120% 60% at 50% -10%, color-mix(in srgb, var(--acento) 18%, transparent), transparent 60%),
    var(--fondo);
  background-attachment: fixed;
  color: var(--texto);
  font: 16px/1.5 system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.contenedor {
  max-width: 460px;
  margin: 0 auto;
  padding: max(20px, env(safe-area-inset-top)) 16px max(32px, env(safe-area-inset-bottom));
}

h1, h2, .titulo {
  font-family: var(--titulos);
  font-weight: 400;
  letter-spacing: .01em;
  line-height: 1.15;
  margin: 0;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.35rem; margin-bottom: 12px; }

p { margin: 0 0 12px; }

.suave { color: var(--texto-suave); }
.chico { font-size: .875rem; }
.centro { text-align: center; }
.oculto { display: none !important; }

/* ---------- Encabezado ---------- */
.marca {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 8px 0 20px;
  color: var(--texto-suave);
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.marca::before {
  content: '';
  width: 26px;
  height: 2px;
  background: var(--acento);
  border-radius: 2px;
}

/* ---------- Bloques ---------- */
.bloque {
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 20px;
  margin-bottom: 16px;
}

.aviso {
  border-radius: 14px;
  padding: 12px 14px;
  margin-bottom: 16px;
  background: color-mix(in srgb, var(--acento) 14%, var(--superficie));
  border: 1px solid color-mix(in srgb, var(--acento) 45%, transparent);
  font-size: .95rem;
}
.aviso.error {
  background: color-mix(in srgb, var(--peligro) 14%, var(--superficie));
  border-color: color-mix(in srgb, var(--peligro) 50%, transparent);
}
.aviso.alerta {
  background: color-mix(in srgb, var(--aviso) 12%, var(--superficie));
  border-color: color-mix(in srgb, var(--aviso) 50%, transparent);
}

/* ---------- Formulario ---------- */
label.campo { display: block; margin-bottom: 16px; }
label.campo > span {
  display: block;
  font-size: .875rem;
  color: var(--texto-suave);
  margin-bottom: 6px;
}

input[type=text], input[type=tel], select {
  width: 100%;
  font: inherit;
  font-size: 1.05rem; /* >= 16px: el iPhone no hace zoom */
  color: var(--texto);
  background: var(--superficie-2);
  border: 1px solid var(--borde);
  border-radius: 12px;
  padding: 13px 14px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  appearance: none;
  -webkit-appearance: none;
}
select {
  background-image: linear-gradient(45deg, transparent 50%, var(--texto-suave) 50%), linear-gradient(135deg, var(--texto-suave) 50%, transparent 50%);
  background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-right: 30px;
}
input:focus, select:focus {
  border-color: var(--acento);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--acento) 25%, transparent);
}
input[aria-invalid=true], select[aria-invalid=true] { border-color: var(--peligro); }

.telefono { display: flex; gap: 8px; }
.telefono .prefijo {
  display: flex;
  align-items: center;
  padding: 0 14px;
  background: var(--superficie-2);
  border: 1px solid var(--borde);
  border-radius: 12px;
  color: var(--texto-suave);
  font-size: 1.05rem;
}

.fecha { display: grid; grid-template-columns: 1fr 1.6fr 1.2fr; gap: 8px; }

.error-campo { color: var(--peligro); font-size: .85rem; margin-top: 6px; }

.consentimiento {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px;
  border-radius: 14px;
  background: var(--superficie-2);
  border: 1px solid var(--borde);
  font-size: .9rem;
  cursor: pointer;
}
.consentimiento input {
  width: 22px;
  height: 22px;
  margin: 1px 0 0;
  flex-shrink: 0;
  accent-color: var(--acento);
}

details.letra-chica { margin: 10px 2px 18px; font-size: .85rem; color: var(--texto-suave); }
details.letra-chica summary { cursor: pointer; color: var(--texto); text-decoration: underline; text-underline-offset: 3px; }
details.letra-chica ul { padding-left: 18px; margin: 8px 0 0; }

/* ---------- Botones ---------- */
.boton {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 650;
  font-size: 1.05rem;
  border-radius: 14px;
  border: 0;
  cursor: pointer;
  background: var(--acento);
  color: #17120a;
  text-decoration: none;
  transition: transform .1s, filter .15s;
}
.boton:active { transform: scale(.98); }
.boton[disabled] { filter: grayscale(.6) brightness(.7); cursor: wait; }
.boton.secundario {
  background: var(--superficie-2);
  color: var(--texto);
  border: 1px solid var(--borde);
}
.botones { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ---------- Tarjeta de sellos ---------- */
.tarjeta {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  padding: 22px 20px 20px;
  margin-bottom: 16px;
  background:
    radial-gradient(90% 70% at 100% 0%, color-mix(in srgb, var(--acento) 30%, transparent), transparent 70%),
    linear-gradient(160deg, #2a2621, #171513);
  border: 1px solid color-mix(in srgb, var(--acento) 35%, var(--borde));
  box-shadow: var(--sombra);
}
.tarjeta .cabecera { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.tarjeta .negocio { font-family: var(--titulos); font-size: 1.5rem; }
.tarjeta .cuenta { text-align: right; white-space: nowrap; }
.tarjeta .cuenta strong { font-family: var(--titulos); font-weight: 400; font-size: 2.4rem; color: var(--acento); line-height: 1; }
.tarjeta .cuenta span { color: var(--texto-suave); font-size: .9rem; }

.sellos {
  display: grid;
  grid-template-columns: repeat(var(--columnas, 6), 1fr);
  gap: 10px;
  margin: 20px 0 6px;
}
.sello {
  position: relative;
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 2px dashed color-mix(in srgb, var(--texto-suave) 45%, transparent);
  color: var(--texto-suave);
  font-size: .8rem;
}
.sello.lleno {
  border: 0;
  background: var(--acento);
  color: #17120a;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--acento) 25%, transparent), inset 0 -3px 0 rgba(0,0,0,.18);
}
.sello.lleno svg { width: 58%; height: 58%; }
.sello.premio:not(.lleno) { border-style: solid; border-color: color-mix(in srgb, var(--acento) 70%, transparent); }
.sello .hito {
  position: absolute;
  bottom: -5px;
  right: -5px;
  font-size: .8rem;
  line-height: 1;
  background: var(--superficie);
  border-radius: 50%;
  padding: 3px;
}
.sello.nuevo { animation: estampar .55s cubic-bezier(.2, 1.6, .4, 1); }
@keyframes estampar {
  0% { transform: scale(1.8) rotate(-20deg); opacity: 0; }
  100% { transform: none; opacity: 1; }
}

.progreso { margin-top: 14px; font-size: 1rem; }
.progreso strong { color: var(--acento); }

/* ---------- Escalera de premios ---------- */
.escalera { list-style: none; padding: 0; margin: 0; }
.escalera li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--borde);
}
.escalera li:first-child { border-top: 0; padding-top: 0; }
.escalera li:last-child { padding-bottom: 0; }
.escalera .emoji {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  border-radius: 12px;
  background: var(--superficie-2);
}
.escalera .info { flex: 1; min-width: 0; }
.escalera .nombre { font-weight: 600; }
.escalera .req { color: var(--texto-suave); font-size: .85rem; }
.estado {
  font-size: .78rem;
  font-weight: 650;
  padding: 5px 10px;
  border-radius: 999px;
  white-space: nowrap;
  background: var(--superficie-2);
  color: var(--texto-suave);
}
.estado.listo { background: var(--acento); color: #17120a; }
.estado.canjeado { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.escalera li.hecho .nombre { text-decoration: line-through; color: var(--texto-suave); }

/* ---------- QR ---------- */
.qr {
  width: min(240px, 70vw);
  margin: 8px auto 12px;
  padding: 12px;
  background: #fff;
  border-radius: 18px;
}
.qr svg { display: block; width: 100%; height: auto; }

/* ---------- Vista previa de premios (registro) ---------- */
.mini-premios { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.mini-premios span {
  font-size: .85rem;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--superficie-2);
  border: 1px solid var(--borde);
}
.mini-premios b { color: var(--acento); font-weight: 650; }

.cargando { text-align: center; padding: 60px 0; color: var(--texto-suave); }
.cargando::before {
  content: '';
  display: block;
  width: 36px;
  height: 36px;
  margin: 0 auto 14px;
  border-radius: 50%;
  border: 3px solid var(--borde);
  border-top-color: var(--acento);
  animation: girar .8s linear infinite;
}
@keyframes girar { to { transform: rotate(360deg); } }

.pie { text-align: center; color: var(--texto-suave); font-size: .78rem; margin-top: 24px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before { animation: none !important; transition: none !important; }
}