/* Estilos compartidos de la web de Navidad (Grupo ACB · Navidad 2026).
   Ordenador: pantalla dividida, cabecera oscura fija a la izquierda y contenido a la derecha.
   Móvil y tablet: todo a ancho completo, cabecera arriba y contenido debajo. */
:root {
  --hero: #110d0c;
  --dark: #17110f;
  --cream: #f4efe9;
  --paper: #fbf8f5;
  --ink: #231c19;
  --muted: #85776f;
  --line: #ddd2c8;
  --brand: #4a3934;
  --amber: #c49464;
  --gold: #e7c79a;
  --ok: #3f6b4a;
  --ok-bg: #e4ece4;
  --danger: #a23a2c;
  --danger-bg: #f6e3df;
  --serif: "Playfair Display", "Bodoni 72", Didot, Georgia, serif;
  --sans: "Jost", "Futura", "Century Gothic", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
html { background: var(--cream); }
body {
  min-height: 100vh;
  color: var(--ink);
  background: var(--cream);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
a { color: var(--brand); }
p { margin: 0 0 1.1em; }
strong { font-weight: 600; }

/* ---------- Pantalla dividida ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(420px, 46%) minmax(0, 1fr);
  min-height: 100vh;
  min-height: 100dvh;
}

/* ---------- Cabecera oscura ---------- */
.hero {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 56px;
  overflow: hidden;
  text-align: center;
  color: var(--cream);
  background:
    radial-gradient(120% 70% at 50% 0%, rgba(196, 148, 100, .30) 0%, transparent 60%),
    radial-gradient(90% 60% at 50% 112%, rgba(74, 57, 52, .9) 0%, transparent 70%),
    var(--hero);
}
.hero--noche {
  background:
    radial-gradient(circle at 9% 34%, rgba(255,255,255,.85) 0 1px, transparent 1.6px),
    radial-gradient(circle at 21% 72%, rgba(255,255,255,.6) 0 1px, transparent 1.6px),
    radial-gradient(circle at 33% 18%, rgba(255,255,255,.7) 0 .9px, transparent 1.5px),
    radial-gradient(circle at 44% 88%, rgba(255,255,255,.5) 0 .9px, transparent 1.5px),
    radial-gradient(circle at 58% 12%, rgba(255,255,255,.6) 0 .9px, transparent 1.5px),
    radial-gradient(circle at 69% 64%, rgba(255,255,255,.7) 0 1px, transparent 1.6px),
    radial-gradient(circle at 81% 40%, rgba(255,255,255,.55) 0 .9px, transparent 1.5px),
    radial-gradient(circle at 92% 80%, rgba(255,255,255,.7) 0 1px, transparent 1.6px),
    radial-gradient(circle at 5% 90%, rgba(255,255,255,.5) 0 .9px, transparent 1.5px),
    radial-gradient(circle at 96% 22%, rgba(255,255,255,.5) 0 .9px, transparent 1.5px),
    radial-gradient(circle at 15% 52%, rgba(255,255,255,.45) 0 .8px, transparent 1.4px),
    radial-gradient(circle at 86% 92%, rgba(255,255,255,.5) 0 .8px, transparent 1.4px),
    radial-gradient(110% 65% at 50% 0%, rgba(196, 148, 100, .26) 0%, transparent 60%),
    radial-gradient(90% 60% at 50% 112%, rgba(74, 57, 52, .85) 0%, transparent 70%),
    #0f0c0c;
}
.hero-logo {
  position: absolute;
  top: 48px;
  left: 50%;
  width: 140px;
  height: auto;
  transform: translateX(-50%);
}
.hero-logo img { display: block; width: 100%; height: auto; }
.hero-pie {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 36px;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(244, 239, 233, .55);
}
.hero-pie a { color: inherit; text-decoration: none; }
.hero-pie a:hover { color: var(--cream); }
.dots {
  position: absolute;
  width: 64px;
  height: 40px;
  background-image: radial-gradient(rgba(244, 239, 233, .4) 1px, transparent 1.3px);
  background-size: 8px 8px;
  pointer-events: none;
}
.dots--tl { top: 44px; left: 44px; }
.dots--br { right: 44px; bottom: 44px; }
.sp { position: absolute; color: var(--cream); pointer-events: none; }

.eyebrow {
  margin: 0 0 22px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: rgba(244, 239, 233, .8);
}
.pill {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px 1px 10px;
  color: var(--dark);
  background: var(--cream);
  font-weight: 600;
}
.t-caps {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(46px, 5.6vw, 92px);
  line-height: 1;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.t-caps--sm { font-size: clamp(42px, 4.6vw, 76px); }
.t-caps span { display: block; }
.t-caps em {
  margin-right: .12em;
  font-size: .5em;
  font-style: italic;
  letter-spacing: 0;
  text-transform: none;
  vertical-align: .18em;
}
.t-mix { margin: 0; font-weight: 400; line-height: 1; }
.t-mix .light {
  display: block;
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(30px, 3.2vw, 50px);
}
.t-mix em {
  display: block;
  margin-top: 4px;
  font-family: var(--serif);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(54px, 6.4vw, 108px);
  letter-spacing: -.01em;
  white-space: nowrap;
  color: var(--gold);
}
.t-gracias {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(44px, 5.4vw, 86px);
  line-height: 1.05;
  color: var(--gold);
}
.hero-sub {
  margin: 30px 0 0;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
}
.hero-flecha { display: block; margin: 36px auto 0; color: rgba(244, 239, 233, .55); }
.cometa { display: block; margin: 0 auto 18px; }
.estrella-grande { display: block; margin: 0 auto 22px; color: var(--gold); }

/* ---------- Contenido ---------- */
.contenido {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(56px, 7vw, 112px) clamp(28px, 6vw, 104px);
}
.contenido-inner { width: 100%; max-width: 620px; margin: 0 auto; }
.saludo, h2 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(28px, 2.4vw, 36px);
  line-height: 1.2;
  color: var(--brand);
}
.lead { margin: -6px 0 32px; color: var(--muted); }
.lead strong { color: var(--ink); }

.agenda { margin: 40px 0; border-top: 1px solid var(--line); }
.agenda div {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.agenda dt {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--muted);
}
.agenda dd { margin: 0; font-family: var(--serif); font-size: 22px; line-height: 1.35; }
.agenda dd a {
  display: block;
  width: max-content;
  margin-top: 4px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--brand);
  border-bottom: 1px solid currentColor;
}

.cta {
  position: relative;
  margin: 44px 0;
  padding: 40px 36px;
  text-align: center;
  color: var(--cream);
  background:
    radial-gradient(90% 90% at 50% 0%, rgba(196, 148, 100, .22) 0%, transparent 70%),
    var(--dark);
}
.cta p { margin-bottom: 26px; }
.cta .sp { top: 18px; right: 20px; color: var(--amber); }
.cierre {
  margin: 0;
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: 32px;
  line-height: 1.2;
  color: var(--brand);
}
.cierre svg { margin: 0 12px; color: var(--amber); vertical-align: .1em; }

/* ---------- Formularios ---------- */
.field { margin-bottom: 24px; }
.lbl {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--brand);
}
.lbl .opt { font-weight: 500; letter-spacing: .12em; text-transform: none; color: var(--muted); }
.hint { margin: 6px 0 0; font-size: 13px; color: var(--muted); }
.input {
  width: 100%;
  padding: 15px 16px;
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(74, 57, 52, .15); }
.input[aria-invalid="true"] { border-color: var(--danger); }
.error { margin: 6px 0 0; font-size: 14px; color: var(--danger); }
.error:empty { display: none; }

.check {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color .15s;
}
.check:hover { border-color: var(--muted); }
.check.invalid { border-color: var(--danger); }
.check input { flex: none; width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--brand); cursor: pointer; }

.stepper { display: inline-flex; background: var(--paper); border: 1px solid var(--line); }
.stepper button {
  width: 54px;
  font: inherit;
  font-size: 22px;
  color: var(--brand);
  background: transparent;
  border: 0;
  cursor: pointer;
}
.stepper button:hover { background: rgba(74, 57, 52, .07); }
.stepper button:disabled { color: var(--line); background: transparent; cursor: default; }
.stepper input {
  width: 70px;
  padding: 10px 0;
  text-align: center;
  font-family: var(--serif);
  font-size: 24px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-radius: 0;
  outline: none;
  -moz-appearance: textfield;
  appearance: textfield;
}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.stepper:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(74, 57, 52, .15); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 17px 30px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--cream);
  background: var(--dark);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s, transform .1s;
}
.btn:hover { background: #000; }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .6; cursor: progress; }
.btn--block { width: 100%; margin-top: 8px; }
.btn--light { color: var(--dark); background: var(--cream); }
.btn--light:hover { background: #fff; }
.btn--ghost { color: var(--brand); background: transparent; border: 1px solid var(--line); }
.btn--ghost:hover { background: rgba(74, 57, 52, .06); }
.btn--sm { padding: 10px 18px; font-size: 11px; }

.alert {
  margin: 16px 0 0;
  padding: 12px 16px;
  font-size: 15px;
  color: var(--danger);
  background: var(--danger-bg);
}
.alert:empty { display: none; }

/* Campo trampa para bots: invisible para las personas. */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.plazo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0 0;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}
.plazo svg { flex: none; color: var(--amber); }

.ok {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  padding: 6px 14px 6px 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ok);
  background: var(--ok-bg);
  border-radius: 999px;
}
.nota { font-size: 15px; color: var(--muted); }
.acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* ---------- Pie (solo en móvil; en ordenador va dentro de la cabecera) ---------- */
.pie {
  display: none;
  padding: 30px 24px 34px;
  text-align: center;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(244, 239, 233, .65);
  background: var(--hero);
}
.pie img { display: block; width: 84px; height: auto; margin: 0 auto 12px; }
.pie a { color: inherit; text-decoration: none; }

/* ---------- Móvil y tablet ---------- */
@media (max-width: 960px) {
  .split { grid-template-columns: 1fr; min-height: 0; }
  .hero { position: relative; height: auto; padding: 36px 24px 52px; }
  .hero-logo { position: static; width: 120px; margin: 0 auto 44px; transform: none; }
  .hero-pie, .dots--br { display: none; }
  .dots--tl { top: 28px; left: 22px; width: 44px; height: 32px; }
  .contenido { padding: 48px 24px 56px; }
  .contenido-inner { margin: 0 auto; }
  .pie { display: block; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .hero-sub { font-size: 11px; letter-spacing: .2em; }
  .agenda div { grid-template-columns: 1fr; gap: 4px; }
  .cta { margin: 36px -8px; padding: 34px 22px; }
  .cierre { font-size: 28px; }
  .cierre svg { display: none; }
  .acciones .btn { width: 100%; }
}
@media print {
  .split { display: block; }
  .hero { position: static; height: auto; }
}