/* Navidad en familia · verde pino, rojo, dorado y nieve */
:root {
  --pino: #0f3b2c; --pino-2: #164d3a; --rojo: #b3262e; --oro: #d4a64a; --crema: #fbf6ec; --tinta: #23302a; --gris: #6b7069;
  --display: "Fraunces", Georgia, serif; --script: "Yesteryear", "Brush Script MT", cursive; --texto: "Nunito Sans", system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--crema); color: var(--tinta); font: 400 17px/1.6 var(--texto); overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
.contenedor { width: min(1080px, 100% - 32px); margin-inline: auto; }
.seccion { padding-block: clamp(64px, 11vw, 112px); }
.centro { text-align: center; }
.script { font-family: var(--script); font-weight: 400; }
.etiqueta { display: block; font: 800 12px/1 var(--texto); letter-spacing: .28em; text-transform: uppercase; color: var(--rojo); margin-bottom: 12px; }
.titulo { font: 700 clamp(32px, 6vw, 50px)/1.1 var(--display); color: var(--pino); }
.sub { color: var(--gris); margin-top: 10px; }
.boton { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 12px 26px; border-radius: 999px; background: var(--rojo); color: #fff; text-decoration: none; font-weight: 800; letter-spacing: .04em; border: 2px solid var(--rojo); transition: transform .2s; }
.boton:hover { transform: translateY(-2px); }
.boton--linea { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
.boton--claro { background: #fff; color: var(--pino); border-color: #fff; }

/* Nieve */
.nieve { position: fixed; inset: 0; pointer-events: none; z-index: 50; overflow: hidden; }
.nieve i { position: absolute; top: -10px; border-radius: 50%; background: #fff; animation: caer linear infinite; box-shadow: 0 0 4px rgba(255,255,255,.6); }
@keyframes caer { to { transform: translate(40px, 105vh); } }
@media (prefers-reduced-motion: reduce) { .nieve { display: none; } html { scroll-behavior: auto; } }

/* Encabezado */
.encabezado { position: fixed; inset: 0 0 auto; z-index: 40; text-shadow: 0 1px 8px rgba(0,0,0,.45); display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; color: #fff; transition: background .3s; }
.encabezado.con-fondo { background: rgba(15, 59, 44, .94); backdrop-filter: blur(8px); }
.marca { font: 400 30px var(--script); text-decoration: none; }
.encabezado nav { display: flex; gap: 18px; font-weight: 600; font-size: 15px; }
.encabezado nav a { text-decoration: none; }
@media (max-width: 520px) { .encabezado nav { gap: 12px; font-size: 13px; } }

/* Portada */
.hero { position: relative; min-height: 100svh; display: grid; background: var(--pino); color: #fff; overflow: hidden; }
.hero__foto { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,59,44,.55) 0%, rgba(15,59,44,.15) 30%, rgba(15,59,44,.75) 62%, var(--pino) 100%); }
.hero__texto { position: relative; z-index: 1; align-self: end; padding: 120px 20px 56px; text-align: center; display: grid; justify-items: center; }
.hero__pre { font-size: 44px; color: var(--oro); line-height: 1; }
.hero h1 { font: 700 clamp(40px, 11vw, 76px)/1 var(--display); margin-top: 6px; text-wrap: balance; }
.hero h1 strong { display: block; color: var(--oro); font-style: italic; font-weight: 500; }
.hero__fechas { font: 500 22px var(--display); margin-top: 14px; }
.hero__ciudad { font-size: 13px; letter-spacing: .26em; text-transform: uppercase; opacity: .85; margin-top: 4px; }
.acciones { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 26px; }
@media (min-width: 900px) {
  .hero { grid-template-columns: 1fr 1fr; }
  .hero::after { display: none; }
  .hero__foto { position: relative; grid-column: 2; height: 100svh; }
  .hero__texto { grid-column: 1; grid-row: 1; align-self: center; padding: 100px 48px; }
}

/* Esferas colgando */
.esferas { display: flex; gap: 22px; margin-bottom: 18px; }
.esferas i { position: relative; width: 26px; height: 26px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #ffd27a, var(--oro) 55%, #8f6a22); animation: mecer 3s ease-in-out infinite alternate; transform-origin: 50% -40px; }
.esferas i:nth-child(2) { background: radial-gradient(circle at 35% 35%, #ff8a8f, var(--rojo) 55%, #6e1217); margin-top: 18px; animation-delay: -1s; }
.esferas i:nth-child(3) { animation-delay: -2s; margin-top: 6px; }
.esferas i::before { content: ""; position: absolute; left: 50%; bottom: 100%; width: 1px; height: 40px; background: rgba(255,255,255,.5); }
.esferas i::after { content: ""; position: absolute; left: 50%; top: -5px; width: 8px; height: 6px; margin-left: -4px; border-radius: 2px; background: #c9c3b5; }
@keyframes mecer { from { transform: rotate(-6deg); } to { transform: rotate(6deg); } }

/* Cuenta regresiva */
.cuenta { display: grid; grid-template-columns: repeat(4, 64px); gap: 10px; margin-top: 24px; }
.cuenta div { display: grid; padding: 10px 0; border-radius: 12px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); }
.cuenta b { font: 700 26px/1 var(--display); }
.cuenta span { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; opacity: .8; margin-top: 4px; }
.cuenta__hoy { grid-column: 1 / -1; font: 400 34px var(--script); color: var(--oro); }

/* Bienvenida */
.bienvenida__texto { font: 500 clamp(21px, 3.6vw, 27px)/1.45 var(--display); max-width: 34ch; margin: 0 auto; color: var(--pino); }
.datos { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 18px; max-width: 640px; margin: 36px auto 0; }
.datos div { background: #fff; border-radius: 18px; padding: 22px; display: grid; gap: 4px; box-shadow: 0 10px 30px rgba(15,59,44,.08); border-top: 4px solid var(--rojo); }
.datos div:nth-child(2) { border-top-color: var(--pino); }
.datos strong { font: 700 21px var(--display); color: var(--pino); }
.datos small { color: var(--gris); font-size: 14px; }

/* Agenda */
.agenda-sec { background: var(--pino); color: #fff; }
.agenda-sec .titulo { color: #fff; }
.agenda-sec .etiqueta { color: var(--oro); }
.agenda-sec .sub { color: rgba(255,255,255,.75); }
.agenda { display: grid; gap: 22px; margin-top: 40px; }
@media (min-width: 900px) { .agenda { grid-template-columns: repeat(2, 1fr); align-items: start; } .dia--destacado { grid-row: span 2; } }
.dia { background: var(--pino-2); border-radius: 22px; padding: 22px 20px 8px; border: 1px solid rgba(255,255,255,.12); }
.dia--destacado { background: var(--rojo); border-color: transparent; }
.dia__cab { display: flex; align-items: baseline; gap: 10px; padding-bottom: 12px; margin-bottom: 4px; border-bottom: 1px dashed rgba(255,255,255,.3); }
.dia__nombre { font: 700 26px var(--display); }
.dia__mes { font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--oro); font-weight: 800; }
.dia--destacado .dia__mes { color: #ffe1a3; }
.evento { display: grid; grid-template-columns: 78px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.evento:last-child { border-bottom: 0; }
.evento__hora { font-weight: 800; color: var(--oro); font-size: 15px; padding-top: 3px; }
.dia--destacado .evento__hora { color: #ffe1a3; }
.evento__titulo { font: 700 20px/1.25 var(--display); }
.evento__lugar { font-size: 14px; opacity: .85; }
.evento__nota { font-size: 15px; opacity: .9; margin-top: 6px; font-style: italic; }
.evento__mapa { display: inline-block; margin-top: 8px; font-size: 13px; font-weight: 800; text-decoration: none; color: #ffe1a3; }

/* Intercambio */
.rejilla { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); gap: 24px; }
.tarjeta { position: relative; background: #fff; border-radius: 24px; padding: 36px 28px; box-shadow: 0 14px 40px rgba(15,59,44,.1); }
.regalo { background: linear-gradient(90deg, transparent calc(50% - 10px), var(--rojo) calc(50% - 10px) calc(50% + 10px), transparent calc(50% + 10px)), #fff; background-size: 100% 26px; background-repeat: no-repeat; padding-top: 52px; }
.moño { position: absolute; top: -14px; left: 50%; width: 56px; height: 28px; transform: translateX(-50%); }
.moño::before, .moño::after { content: ""; position: absolute; top: 0; width: 28px; height: 28px; border: 6px solid var(--rojo); border-radius: 50% 50% 0 50%; }
.moño::before { left: 0; transform: rotate(-20deg); }
.moño::after { right: 0; transform: scaleX(-1) rotate(-20deg); }
.tarjeta .titulo { font-size: clamp(28px, 5vw, 38px); }
.sorteo { margin: 10px 0 14px; color: var(--gris); }
.tarjeta ul { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.checklist { list-style: none; padding: 0 !important; margin-top: 14px !important; }
.checklist li { padding-left: 32px; position: relative; }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%; background: var(--pino); color: #fff; font-size: 13px; display: grid; place-items: center; }

/* Galería */
.galeria { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 32px; }
@media (max-width: 700px) { .galeria { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.gal__item { padding: 0; border: 0; border-radius: 16px; overflow: hidden; aspect-ratio: 4 / 5; cursor: zoom-in; background: #eee; }
.gal__item img { width: 100%; height: 100%; object-fit: cover; }
.visor { position: fixed; inset: 0; z-index: 60; background: rgba(10, 20, 15, .92); display: grid; place-items: center; padding: 16px; }
.visor img { max-height: 88vh; width: auto; border-radius: 10px; }
.visor__cerrar { position: absolute; top: 16px; right: 16px; width: 46px; height: 46px; border-radius: 50%; border: 0; background: rgba(255,255,255,.15); color: #fff; font-size: 28px; cursor: pointer; }

/* Final y pie */
.final { background: var(--rojo); color: #fff; }
.final__script { font-size: clamp(44px, 10vw, 64px); color: #ffe1a3; line-height: 1.1; margin-bottom: 10px; }
.final p:not(.script) { max-width: 44ch; margin: 0 auto 22px; }
.pie { background: var(--pino); color: #fff; text-align: center; padding: 48px 16px calc(96px + env(safe-area-inset-bottom, 0px)); }
.pie__nombre { font-size: 40px; color: var(--oro); }
.credit { margin-top: 14px; font-size: 12px; opacity: .7; }
.credit a { text-decoration: none; }

/* Banda de demo */
.demo-banda { position: fixed; left: 12px; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); z-index: 45; 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; }