/* Winvite · Base común de las plantillas de XV años.
   Cada plantilla define sus colores y fuentes en css/estilos.css (variables de :root). */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--fondo); color: var(--texto);
  font: 400 17px/1.65 var(--fuente-texto); overflow-x: hidden;
}
body.sin-scroll { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 400; text-wrap: balance; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--acento); outline-offset: 3px; }

.contenedor { width: min(1080px, 100% - 32px); margin-inline: auto; }
.seccion { padding-block: clamp(72px, 12vw, 128px); position: relative; }
.centro { text-align: center; }
.eyebrow {
  font: 600 12px/1 var(--fuente-texto); letter-spacing: .32em; text-transform: uppercase;
  color: var(--acento); display: block; margin-bottom: 14px;
}
.titulo { font-family: var(--fuente-display); font-size: clamp(34px, 6vw, 56px); line-height: 1.1; }
.script { font-family: var(--fuente-script); font-weight: 400; }

/* Botones */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 28px; border-radius: var(--radio, 999px);
  background: var(--acento); color: var(--sobre-acento, #fff); text-decoration: none;
  font: 600 14px/1 var(--fuente-texto); letter-spacing: .14em; text-transform: uppercase;
  border: 1px solid var(--acento); transition: transform .2s, background .2s, color .2s;
}
.boton:hover { transform: translateY(-2px); }
.boton--linea { background: transparent; color: var(--acento); }
.boton--grande { min-height: 58px; padding: 16px 40px; font-size: 15px; }

/* Encabezado y menú */
.encabezado {
  position: fixed; inset: 0 0 auto 0; z-index: 40;
  padding: calc(14px + env(safe-area-inset-top, 0px)) 16px 14px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  transition: background .3s, box-shadow .3s;
}
.encabezado.con-fondo { background: var(--encabezado-fondo); box-shadow: 0 1px 0 var(--linea); backdrop-filter: blur(10px); }
.encabezado__marca { font-family: var(--fuente-script); font-size: 30px; line-height: 1; text-decoration: none; color: var(--encabezado-texto, var(--texto)); }
.encabezado nav { display: flex; align-items: center; gap: 22px; }
.encabezado nav a:not(.boton) { text-decoration: none; font-size: 14px; letter-spacing: .08em; color: var(--encabezado-texto, var(--texto)); }
.encabezado .boton { min-height: 40px; padding: 10px 18px; font-size: 12px; }
.btn-menu { display: none; background: none; border: 0; width: 44px; height: 44px; color: var(--encabezado-texto, var(--texto)); }
.btn-menu span { display: block; width: 24px; height: 2px; background: currentColor; margin: 5px auto; border-radius: 2px; }
@media (max-width: 860px) {
  .btn-menu { display: block; position: relative; z-index: 2; }
  .encabezado nav {
    position: fixed; inset: 0; z-index: 1; flex-direction: column; justify-content: center; gap: 26px;
    background: var(--menu-fondo, var(--fondo)); opacity: 0; pointer-events: none; transition: opacity .25s;
  }
  .encabezado nav.abierto { opacity: 1; pointer-events: auto; }
  .encabezado nav a:not(.boton) { font-size: 22px; color: var(--texto); }
  .encabezado nav .boton { min-height: 56px; padding: 16px 36px; font-size: 14px; margin-top: 10px; }
}

/* Cuenta regresiva */
.cuenta { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; max-width: 560px; margin: 28px auto 0; }
.cuenta__item { display: grid; gap: 4px; text-align: center; padding: 16px 6px; }
.cuenta__num { font: 400 clamp(34px, 8vw, 54px)/1 var(--fuente-display); font-variant-numeric: tabular-nums; }
.cuenta__lbl { font-size: 11px; letter-spacing: .22em; text-transform: uppercase; opacity: .8; }
@media (max-width: 420px) { .cuenta { gap: 6px; } .cuenta__lbl { font-size: 9px; letter-spacing: .1em; } }
.cuenta__hoy { grid-column: 1 / -1; font: 400 32px var(--fuente-script); text-align: center; }

/* Eventos */
.eventos { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 24px; margin-top: 40px; }
.evento { display: grid; gap: 6px; justify-items: center; text-align: center; padding: 32px 22px; }
.evento__tipo { font-size: 12px; letter-spacing: .28em; text-transform: uppercase; color: var(--acento); font-weight: 600; }
.evento__hora { font: 400 40px/1.1 var(--fuente-display); }
.evento__lugar { font: 400 24px/1.25 var(--fuente-display); }
.evento__dir { font-size: 15px; opacity: .8; max-width: 32ch; }
.evento__mapa { width: 100%; aspect-ratio: 16 / 10; margin: 14px 0 10px; overflow: hidden; border-radius: var(--radio-foto, 12px); background: var(--suave); }
.evento__mapa iframe { width: 100%; height: 100%; border: 0; }

/* Itinerario */
.itinerario { list-style: none; padding: 0; margin: 40px auto 0; max-width: 520px; display: grid; gap: 0; }
.itin { display: grid; grid-template-columns: 1fr 28px 1fr; align-items: center; gap: 14px; padding-block: 14px; position: relative; }
.itin__hora { text-align: right; font: 400 22px var(--fuente-display); font-variant-numeric: tabular-nums; }
.itin__punto { width: 12px; height: 12px; border-radius: 50%; background: var(--acento); justify-self: center; position: relative; }
.itin:not(:last-child) .itin__punto::after { content: ""; position: absolute; left: 50%; top: 12px; width: 1px; height: 46px; background: var(--linea); transform: translateX(-50%); }
.itin__txt { font-size: 17px; }

/* Vestimenta y regalos */
.vest__codigo { font: 400 clamp(30px, 5vw, 42px) var(--fuente-display); }
.vest__desc { margin-top: 8px; opacity: .85; }
.vest__reservado { display: inline-flex; align-items: center; gap: 10px; margin-top: 18px; padding: 10px 18px; border-radius: 999px; border: 1px solid var(--linea); font-size: 15px; }
.vest__muestra { width: 18px; height: 18px; border-radius: 50%; border: 1px solid var(--linea); flex: none; }
.vest__ninos { margin-top: 14px; font-size: 15px; opacity: .8; }
.regalos__texto { max-width: 52ch; margin: 0 auto; }
.regalos__lista { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; margin-top: 30px; }
.regalo { display: grid; gap: 8px; justify-items: center; padding: 26px 30px; min-width: 240px; }
.regalo__tienda { font: 400 26px var(--fuente-display); }
.regalo__num { font-size: 15px; opacity: .85; }

/* Galería */
.galeria { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 40px; }
.gal__item { padding: 0; border: 0; background: var(--suave); cursor: zoom-in; overflow: hidden; border-radius: var(--radio-foto, 12px); aspect-ratio: 3 / 4; }
.gal__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gal__item:hover img { transform: scale(1.04); }
@media (max-width: 700px) { .galeria { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.visor { position: fixed; inset: 0; z-index: 60; background: rgba(10, 10, 14, .92); display: flex; align-items: center; justify-content: center; padding: 16px; }
.visor[hidden] { display: none; }
.visor img { max-height: 88vh; max-width: min(92vw, 900px); width: auto; border-radius: 8px; }
.visor button { position: absolute; background: rgba(255,255,255,.12); color: #fff; border: 0; width: 48px; height: 48px; border-radius: 50%; font-size: 30px; line-height: 1; cursor: pointer; }
.visor__cerrar { top: calc(16px + env(safe-area-inset-top, 0px)); right: 16px; }
.visor__prev { left: 12px; top: 50%; transform: translateY(-50%); }
.visor__next { right: 12px; top: 50%; transform: translateY(-50%); }

/* Confirmación */
.confirmar__acciones { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 30px; }
.confirmar__nota { margin-top: 18px; font-size: 15px; opacity: .8; }

/* Botón flotante de confirmación (celular) */
.rsvp-flotante {
  position: fixed; left: 50%; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); z-index: 35;
  transform: translate(-50%, 140%); transition: transform .35s; box-shadow: 0 10px 30px rgba(0,0,0,.25);
  white-space: nowrap;
}
.rsvp-flotante.visible { transform: translate(-50%, 0); }
@media (min-width: 861px) { .rsvp-flotante { display: none; } }

/* Música */
.btn-musica {
  position: fixed; right: 16px; bottom: calc(84px + env(safe-area-inset-bottom, 0px)); z-index: 34;
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--linea);
  background: var(--fondo); color: var(--acento); font-size: 20px; cursor: pointer;
}
.btn-musica.sonando { animation: girar 6s linear infinite; }
@keyframes girar { to { transform: rotate(360deg); } }

/* Pie */
.pie { padding: 56px 16px calc(120px + env(safe-area-inset-bottom, 0px)); text-align: center; font-size: 14px; }
.pie__nombre { font: 400 44px/1 var(--fuente-script); margin-bottom: 10px; }
.pie a { text-decoration: none; }
.credit { margin-top: 22px; font-size: 12px; letter-spacing: .08em; opacity: .7; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; }
}

/* Banda de demo */
.demo-banda {
  position: fixed; left: 12px; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); z-index: 30;
  max-width: calc(100% - 24px); padding: 8px 14px; border-radius: 999px;
  background: #1d2b4f; color: #fff; font: 500 12px/1.3 system-ui, sans-serif; text-decoration: none;
  box-shadow: 0 6px 20px rgba(0,0,0,.2);
  opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity .3s, transform .3s;
}
.demo-banda.visible { opacity: 1; transform: none; pointer-events: auto; }
@media (max-width: 860px) { .demo-banda { bottom: calc(80px + env(safe-area-inset-bottom, 0px)); } }