/* =========================================================
   Joaquín & Agustina — 5 años
   Estética: negro cálido alternado con papel y crema,
   acentos en rosa viejo. Fotos protagonistas y en movimiento.
   ========================================================= */

:root {
  /* Colores */
  --papel: #F8F3EE;        /* blanco roto */
  --crema: #F1E8E2;
  --beige: #E4D7D2;
  --hoja: #FFFBF8;         /* papel de carta y ticket */
  --tinta: #211A1C;        /* marrón muy oscuro, nunca negro */
  --tinta-suave: #7A6D70;
  --rosa: #C58F9B;         /* rosa viejo */
  --rosa-claro: #F4E3E7;
  --bordo: #8E2F3F;        /* bordó suave */
  --linea: rgba(33, 26, 28, .14);
  --negro: #0D0C0E;        /* negro cálido */

  /* Colores suaves, nada saturados */
  --durazno: #E8B7AD;
  --salvia: #C7B7B9;
  --cielo: #B7B3C6;
  --lavanda: #CEB4C8;
  --arena: #E2CBBB;

  /* Sombras */
  --sombra-foto: 0 1px 2px rgba(33, 26, 28, .07), 0 24px 48px -28px rgba(33, 26, 28, .42);
  --sombra-papel: 0 1px 2px rgba(33, 26, 28, .05), 0 30px 60px -36px rgba(33, 26, 28, .30);

  /* Tipografía */
  --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
  --sans: "Hanken Grotesk", -apple-system, "Helvetica Neue", Arial, sans-serif;

  /* Espacios */
  --margen: clamp(1.25rem, 5vw, 3rem);
  --seccion: clamp(4.5rem, 14vw, 8rem);
  --gap: 5px;
  --radio: 3px;
  --suave: cubic-bezier(.2, .6, .2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--papel);
}
html.no-scroll { overflow: hidden; }

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
p, figure { margin: 0; }

h1, h2, h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-optical-sizing: auto;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

:focus-visible { outline: 1.5px solid var(--bordo); outline-offset: 3px; }

.seccion { padding: var(--seccion) var(--margen); }
.contenedor { max-width: 1080px; margin: 0 auto; container-type: inline-size; }

.tiempo__title,
.historia__title,
.momentos__title,
.numeros__title,
.ushuaia h2 {
  text-align: center;
  font-size: clamp(2.2rem, 8.6vw, 3.6rem);
}

/* ---------- Barra de avance al bajar ---------- */
.progreso {
  position: fixed;
  z-index: 95;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--rosa), var(--durazno), var(--salvia), var(--cielo));
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}

/* Respuesta al tocar una foto */
.foto:active { transform: scale(.97); transition-duration: .15s; transition-delay: 0s; }

/* ---------- Luces de color suaves que se mueven lento ---------- */
.historia, .momentos, .carta, .tiempo, .ushuaia, .numeros { position: relative; overflow: hidden; isolation: isolate; }
.historia::before, .historia::after,
.momentos::before, .momentos::after,
.carta::before, .carta::after,
.tiempo::before, .ushuaia::before, .numeros::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 80vmax;
  height: 80vmax;
  border-radius: 50%;
  pointer-events: none;
  animation: deriva 24s ease-in-out infinite alternate;
}
.historia::before { top: -40vmax; left: -35vmax; background: radial-gradient(circle, rgba(232, 183, 173, .48), transparent 62%); }
.historia::after  { bottom: -45vmax; right: -40vmax; background: radial-gradient(circle, rgba(197, 143, 155, .30), transparent 62%); animation-delay: -12s; }
.momentos::before { top: -30vmax; right: -40vmax; background: radial-gradient(circle, rgba(183, 179, 198, .34), transparent 62%); }
.momentos::after  { bottom: -35vmax; left: -40vmax; background: radial-gradient(circle, rgba(232, 183, 173, .36), transparent 62%); animation-delay: -8s; }
.carta::before    { top: -35vmax; right: -35vmax; background: radial-gradient(circle, rgba(206, 180, 200, .42), transparent 62%); }
.carta::after     { bottom: -40vmax; left: -40vmax; background: radial-gradient(circle, rgba(232, 183, 173, .38), transparent 62%); animation-delay: -10s; }
.tiempo::before   { top: 50%; left: 50%; margin: -40vmax 0 0 -40vmax; background: radial-gradient(circle, rgba(197, 143, 155, .18), transparent 55%); }
.ushuaia::before  { top: -30vmax; left: -20vmax; background: radial-gradient(circle, rgba(183, 179, 198, .18), transparent 60%); }
.numeros::before  { top: -20vmax; right: -30vmax; background: radial-gradient(circle, rgba(142, 47, 63, .18), transparent 60%); }
@keyframes deriva {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(8vmax, 6vmax) scale(1.12); }
}

/* Colores de fondo con matiz, sin dejar de ser oscuros */
.seccion.ushuaia.oscuro { background: #111116; }
.seccion.numeros.oscuro { background: #170D12; }

/* Mientras cargan, las fotos muestran un tono suave distinto cada una */
.momentos .foto:nth-child(4n + 1) { background: #F0D5D9; }
.momentos .foto:nth-child(4n + 2) { background: #E4D7D9; }
.momentos .foto:nth-child(4n + 3) { background: #DDD8E5; }
.momentos .foto:nth-child(4n + 4) { background: #EEDBD2; }

/* ---------- Secciones oscuras ----------
   Dentro de .oscuro los colores se invierten solos.
   .claro vuelve a la paleta clara (lo usa el ticket). */
.oscuro {
  --tinta: #F1E8E2;
  --tinta-suave: rgba(241, 232, 226, .68);
  --bordo: #D9A2AF;
  --rosa: #D0A1AA;
  --linea: rgba(241, 232, 226, .16);
  --beige: rgba(241, 232, 226, .07);
  --hoja: #171317;
  color: var(--tinta);
}
.seccion.oscuro, .hero.oscuro, .final.oscuro { background: var(--negro); }
.oscuro .ver-mas:hover { background: rgba(241, 232, 226, .09); }

.claro {
  --tinta: #211A1C;
  --tinta-suave: #7A6D70;
  --bordo: #8E2F3F;
  --rosa: #C58F9B;
  --linea: rgba(33, 26, 28, .14);
  --beige: #E4D7D2;
  --hoja: #FFFBF8;
  color: var(--tinta);
}

/* ---------- Aparición al hacer scroll ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 1s ease, transform 1.2s var(--suave);
}
.js .reveal.is-in { opacity: 1; transform: none; }

/* Títulos: palabra por palabra, saliendo de un desenfoque */
.js main .palabra {
  opacity: 0;
  transform: translateY(.3em);
  filter: blur(6px);
  transition: opacity 1s ease, transform 1.2s var(--suave), filter 1s ease;
  transition-delay: calc(.15s + var(--w) * .13s);
}
.js main .is-in .palabra,
.js main .reveal.is-in .palabra { opacity: 1; transform: none; filter: none; }


/* =========================================================
   1. PORTADA — fotos a pantalla completa que pasan solas
   ========================================================= */
.hero {
  position: relative;
  display: grid;
  align-items: end;
  height: 100vh;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(to top, rgba(15, 13, 12, .92) 0%, rgba(15, 13, 12, .45) 38%, rgba(15, 13, 12, 0) 62%),
    linear-gradient(to bottom, rgba(15, 13, 12, .5) 0%, rgba(15, 13, 12, 0) 16%);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 40rem;
  padding: 0 var(--margen) calc(2.75rem + env(safe-area-inset-bottom));
}

.hero__fecha { font-size: .85rem; color: var(--tinta-suave); }
.hero__names {
  margin-top: .5rem;
  font-size: clamp(3.2rem, 14.5vw, 7rem);
  line-height: .9;
  letter-spacing: -0.035em;
}
.hero__sub {
  margin-top: .9rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.4rem, 5.4vw, 2rem);
  line-height: 1.2;
  color: var(--bordo);
}
.hero__phrase {
  max-width: 23rem;
  margin-top: .5rem;
  font-size: .95rem;
  color: var(--tinta-suave);
}

.hero__btn {
  margin-top: 1.6rem;
  padding: .85rem 2.2rem;
  border-radius: 999px;
  background: #F1E8E2;
  color: var(--negro);
  font-size: .95rem;
  letter-spacing: .02em;
  transition: background .35s ease, transform .35s var(--suave);
}
.hero__btn:hover { background: var(--rosa); }
.hero__btn:active { transform: scale(.97); }

.hero__musica { margin-top: .85rem; font-size: .82rem; color: var(--tinta-suave); }
.hero__musica em { font-family: var(--serif); font-size: 1rem; color: var(--tinta); }

.js .hero [data-in] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 1.2s ease, transform 1.4s var(--suave);
  transition-delay: calc(var(--i) * 140ms + 300ms);
}
.js .hero.is-ready [data-in] { opacity: 1; transform: none; }

/* Los nombres aparecen palabra por palabra, como en el final */
.palabra { display: inline-block; }
.js .hero .palabra {
  opacity: 0;
  transform: translateY(.3em);
  filter: blur(8px);
  transition: opacity 1.2s ease, transform 1.4s var(--suave), filter 1.2s ease;
  transition-delay: calc(.35s + var(--w) * .22s);
}
.js .hero.is-ready .palabra { opacity: 1; transform: none; filter: none; }

@media (min-width: 900px) {
  .hero__content { padding-left: max(var(--margen), calc((100vw - 1180px) / 2)); padding-bottom: 4rem; }
  .hero__names { font-size: clamp(3.5rem, 6vw, 5.5rem); }
  .hero::after {
    background:
      linear-gradient(to top, rgba(15, 13, 12, .9) 0%, rgba(15, 13, 12, .35) 32%, rgba(15, 13, 12, 0) 55%),
      linear-gradient(to right, rgba(15, 13, 12, .7) 0%, rgba(15, 13, 12, 0) 45%),
      linear-gradient(to bottom, rgba(15, 13, 12, .5) 0%, rgba(15, 13, 12, 0) 16%);
  }
}


/* ---------- Pase de fotos (portada y final) ---------- */
.slides {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: var(--negro);
}
.slide {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0;
  transition: opacity 1.8s ease;
}
.slide.is-activo { opacity: 1; z-index: 1; }

.slide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.03);
}
/* Movimiento lento tipo documental: alterna acercarse y alejarse */
.slide.is-activo img,
.slide.is-saliendo img { animation: kb-a var(--dur, 8s) linear forwards; }
.slide:nth-child(even).is-activo img,
.slide:nth-child(even).is-saliendo img { animation-name: kb-b; }
@keyframes kb-a {
  from { transform: scale(1.03) translate(0, 0); }
  to   { transform: scale(1.17) translate(-2%, -1.5%); }
}
@keyframes kb-b {
  from { transform: scale(1.17) translate(1.8%, 1.3%); }
  to   { transform: scale(1.03) translate(0, 0); }
}

/* Si la foto no tiene la misma orientación que la pantalla,
   se muestra entera sobre un fondo desenfocado de sí misma */
.slide__fondo {
  position: absolute;
  inset: -60px;
  display: none;
  background-size: cover;
  background-position: center;
  filter: blur(32px) brightness(.45) saturate(1.15);
}
.slide.ajustar .slide__fondo { display: block; }
.slide.ajustar img { object-fit: contain; }
/* En el celular, una foto horizontal ocupa la mitad de arriba bien grande
   y se funde con su propio fondo desenfocado: se siente a pantalla completa */
@media (orientation: portrait) {
  .slide.ajustar img {
    inset: 0 0 auto 0;
    height: 55%;
    object-fit: cover;
    object-position: 46% 35%;
    -webkit-mask-image: linear-gradient(to bottom, #000 72%, transparent 100%);
            mask-image: linear-gradient(to bottom, #000 72%, transparent 100%);
  }
}

.slides__barras {
  position: absolute;
  z-index: 3;
  top: calc(14px + env(safe-area-inset-top));
  left: var(--margen);
  right: var(--margen);
  display: flex;
  gap: 4px;
}
.slides__barras span {
  position: relative;
  flex: 1;
  height: 2px;
  overflow: hidden;
  border-radius: 2px;
  background: rgba(241, 232, 226, .28);
}
.slides__barras span::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(241, 232, 226, .92);
  transform: scaleX(0);
  transform-origin: left;
}
.slides__barras span.hecha::after { transform: scaleX(1); }
.slides__barras span.activa::after { animation: llenar var(--seg, 5s) linear forwards; }
.slides__barras.is-pausa span.activa::after { animation-play-state: paused; }
@keyframes llenar { to { transform: scaleX(1); } }


/* =========================================================
   2. CONTADOR
   ========================================================= */
.tiempo { text-align: center; }

/* Cronómetro a lo largo: días, horas, minutos, segundos */
.reloj {
  --g: clamp(1.05rem, 4.8vw, 3.5rem);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: var(--g);
  margin: clamp(2.5rem, 9vw, 4.5rem) auto 0;
  font-family: var(--serif);
}
.reloj__u {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.reloj__u + .reloj__u::before {
  content: "";
  position: absolute;
  left: calc(var(--g) / -2);
  top: 14%;
  height: 52%;
  width: 1px;
  background: var(--linea);
}
.reloj__n {
  display: flex;
  overflow: hidden;
  padding: .06em 0;
  font-size: clamp(2rem, 10.4vw, 6.2rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums lining-nums;
}
.reloj__u--anios .reloj__n { color: var(--bordo); }
.reloj.pulso .reloj__u + .reloj__u::before { animation: pulso 1s ease-out; }
@keyframes pulso {
  0% { background: var(--rosa); opacity: 1; }
  100% { background: var(--linea); opacity: 1; }
}
.reloj__d { display: inline-block; min-width: .5em; text-align: center; }
.reloj__d.sep { min-width: 0; }
.reloj__d.tick { animation: tick .6s var(--suave); }
@keyframes tick {
  from { transform: translateY(70%); opacity: 0; filter: blur(3px); }
  to   { transform: none; opacity: 1; filter: none; }
}
.reloj__l {
  margin-top: .55rem;
  font-family: var(--sans);
  font-size: clamp(.7rem, 2.9vw, .85rem);
  color: var(--tinta-suave);
}

/* El día del aniversario aparece un mensaje */
.tiempo__hoy {
  margin-top: 2rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--bordo);
  animation: latido 3.2s ease-in-out infinite;
}
@keyframes latido {
  0%, 100% { opacity: .75; }
  50% { opacity: 1; }
}

.tiempo__cierre {
  max-width: 19rem;
  color: var(--tinta-suave);
  margin: clamp(2.5rem, 8vw, 3.5rem) auto 0;
  padding-top: clamp(2.5rem, 8vw, 3.5rem);
  border-top: 1px solid var(--linea);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.45;
}


/* =========================================================
   3. HISTORIA
   ========================================================= */
.historia { background: var(--papel); }

.linea {
  position: relative;
  max-width: 32rem;
  margin: clamp(2.5rem, 8vw, 4rem) auto 0;
  padding: 0;
  list-style: none;
}
.linea::before {
  content: "";
  position: absolute;
  left: 3px;
  top: .6rem;
  bottom: .6rem;
  width: 1px;
  background: var(--rosa);
  opacity: .6;
  transform-origin: top;
}
.js .linea::before { transform: scaleY(0); transition: transform 2.4s cubic-bezier(.4, 0, .2, 1); }
.js .linea.is-in::before { transform: scaleY(1); }

.hito { position: relative; padding: 0 0 2.75rem 2rem; }
.hito:last-child { padding-bottom: 0; }
.hito::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bordo);
}
.hito:last-child::before { background: var(--papel); box-shadow: inset 0 0 0 1.3px var(--bordo); }
.hito:nth-child(2)::before { background: #B36A78; }
.hito:nth-child(2)::after { border-color: #B36A78; }
.hito:nth-child(1) time { color: var(--rosa); }
.hito:nth-child(2) time { color: #B36A78; }
.hito:nth-child(3) time { color: #9E7C91; }

/* Al aparecer, cada punto de la línea deja un anillo que se expande */
.hito::after {
  content: "";
  position: absolute;
  left: -4px;
  top: calc(.55rem - 4px);
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid var(--bordo);
  opacity: 0;
  pointer-events: none;
}
.js .hito.is-in::after { animation: anillo 1.8s ease-out .5s; }
@keyframes anillo {
  0% { opacity: .8; transform: scale(.5); }
  100% { opacity: 0; transform: scale(2.4); }
}

.hito time { font-size: .85rem; color: var(--rosa); }
.hito h3 {
  margin: .3rem 0 .55rem;
  font-size: clamp(1.6rem, 6vw, 2.1rem);
}
.hito p { color: var(--tinta-suave); line-height: 1.7; }


/* =========================================================
   FOTOS (comportamiento común)
   ========================================================= */
.foto {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radio);
  background: var(--beige);
}
.foto__btn { display: block; width: 100%; height: 100%; }
.foto img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .8s ease, transform 1.4s var(--suave);
}
.foto.is-loaded img { opacity: 1; }

/* Las fotos de cada galería entran escalonadas */
.galeria .foto {
  transition: opacity .8s ease, transform 1s var(--suave);
  transition-delay: calc(var(--k, 0) * 45ms);
}
.js .galeria:not(.is-in) .foto,
.js .galeria .foto.entrando { opacity: 0; transform: translateY(18px) scale(.97); }
@media (hover: hover) {
  .foto__btn:hover img { transform: scale(1.04); }
}

/* Grillas con celdas cuadradas.
   Cada galería define cuántas columnas tiene (--cols). */
.galeria {
  --cols: 3;
  display: grid;
  grid-template-columns: repeat(var(--cols), minmax(0, 1fr));
  grid-auto-rows: calc((100vw - 2 * var(--margen) - (var(--cols) - 1) * var(--gap)) / var(--cols));
  grid-auto-flow: dense;
  gap: var(--gap);
}
@supports (width: 1cqw) {
  .galeria { grid-auto-rows: calc((100cqw - (var(--cols) - 1) * var(--gap)) / var(--cols)); }
}

.ver-mas {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  margin: 2rem auto 0;
  padding: .75rem 1.5rem;
  border: 1px solid var(--linea);
  border-radius: 999px;
  background: var(--hoja);
  font-size: .9rem;
  transition: border-color .3s, background .3s;
}
.ver-mas span { font-size: .8rem; color: var(--tinta-suave); }

/* Botones de acción debajo de las galerías */
.acciones {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .6rem;
  margin-top: 1.5rem;
}
.acciones .ver-mas { margin: 0; }
.accion {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.3rem;
  border: 1px solid var(--linea);
  border-radius: 999px;
  background: var(--hoja);
  font-size: .9rem;
  transition: border-color .3s, background .3s, transform .3s var(--suave);
}
.accion svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.accion circle { fill: currentColor; stroke: none; }
.accion:hover { border-color: var(--rosa); background: var(--rosa-claro); }
.accion:active { transform: scale(.96); }
.accion.gira-icono svg { animation: dado .7s var(--suave); }
@keyframes dado {
  0% { transform: rotate(0) scale(1); }
  40% { transform: rotate(200deg) scale(1.2); }
  100% { transform: rotate(360deg) scale(1); }
}

/* Fotos que cambian solas */
.foto__btn { position: relative; }
.foto img.nueva { position: absolute; inset: 0; }
.foto img.nueva.fundido { opacity: 0; transform: scale(1.12); transition: opacity 1.2s ease, transform 1.6s var(--suave); }
.foto img.nueva.circulo { opacity: 1; clip-path: circle(0% at 50% 50%); transition: clip-path 1.3s var(--suave); }
.foto img.nueva.entra { opacity: 1; transform: none; clip-path: circle(75% at 50% 50%); }

/* Pequeños momentos: las fotos se dan vuelta como cartas */
.foto.gira { animation: girar .8s cubic-bezier(.45, 0, .25, 1); }
@keyframes girar {
  0%   { transform: perspective(500px) rotateY(0); }
  50%  { transform: perspective(500px) rotateY(90deg) scale(.96); }
  100% { transform: perspective(500px) rotateY(0); }
}
.ver-mas:hover { border-color: var(--rosa); background: var(--rosa-claro); }


/* =========================================================
   4. USHUAIA
   ========================================================= */

.ushuaia__head {
  max-width: 36rem;
  margin: 0 auto clamp(2.5rem, 8vw, 4rem);
  text-align: center;
}

.montes {
  display: block;
  width: min(260px, 70%);
  height: auto;
  margin: 0 auto 1.75rem;
  color: var(--rosa);
}
.montes path {
  stroke: currentColor;
  stroke-width: 1.1;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}
.montes .montes__agua { opacity: .5; }
.js .montes path { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 2.8s cubic-bezier(.4, 0, .2, 1) .3s; }
.js .is-in .montes path { stroke-dashoffset: 0; }

.ushuaia__lugar {
  margin-top: .6rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.35rem;
}
.ushuaia__coords {
  margin-top: .3rem;
  font-size: .8rem;
  color: var(--tinta-suave);
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}
.ushuaia__frase { margin-top: 1.25rem; color: var(--tinta-suave); }

/* Viaje: 3 columnas, dos fotos grandes cada nueve */
.galeria--viaje .foto:nth-child(9n + 1),
.galeria--viaje .foto:nth-child(9n + 9) { grid-column: span 2; grid-row: span 2; }
.galeria--viaje .foto:nth-child(9n + 8) { grid-column: 1; }

/* Las fotos grandes “respiran”: un zoom muy lento que va y viene */
.galeria--viaje .foto:nth-child(9n + 1).is-loaded img,
.galeria--viaje .foto:nth-child(9n + 9).is-loaded img,
.galeria--mosaico .foto:nth-child(10n + 1).is-loaded img,
.galeria--mosaico .foto:nth-child(10n + 8).is-loaded img {
  animation: respiro 14s ease-in-out infinite alternate;
}
@keyframes respiro {
  from { transform: scale(1); }
  to   { transform: scale(1.09) translate(-1.5%, -1%); }
}

@media (min-width: 900px) {
  .galeria--viaje { --cols: 6; --gap: 8px; }
  .galeria--viaje .foto:nth-child(9n + 8) { grid-column: auto; }
  .galeria--viaje .foto:nth-child(9n + 9) { grid-column: auto; grid-row: auto; }
}


/* =========================================================
   5. MOMENTOS
   ========================================================= */
.bloque { margin-top: clamp(3.5rem, 11vw, 5.5rem); }
.bloque h3::before {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin-bottom: .9rem;
  border-radius: 2px;
  background: var(--acento, var(--rosa));
}
.bloque:nth-child(1) { --acento: var(--durazno); }
.bloque:nth-child(2) { --acento: #B7828B; }
.bloque:nth-child(3) { --acento: var(--rosa); }
.bloque:nth-child(4) { --acento: #9E8193; }
.bloque h3 {
  max-width: 20ch;
  margin-bottom: 1.25rem;
  font-size: clamp(1.45rem, 5.4vw, 2rem);
  font-style: italic;
  line-height: 1.12;
}

/* Mosaico: 4 columnas, grandes y chicas alternadas */
.galeria--mosaico { --cols: 4; }
.galeria--mosaico .foto:nth-child(10n + 1),
.galeria--mosaico .foto:nth-child(10n + 8) { grid-column: span 2; grid-row: span 2; }
@media (min-width: 900px) {
  .galeria--mosaico { --gap: 8px; max-width: 880px; }
  .galeria--mosaico { grid-auto-rows: calc((min(100cqw, 880px) - 3 * var(--gap)) / 4); }
}

/* Cinta: fotos que pasan solas, sin fin */
.carrusel-nav svg, .marco__nav svg, .lightbox svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.marco__nav {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--linea);
  border-radius: 50%;
  background: var(--hoja);
  transition: border-color .3s, background .3s;
}
.marco__nav:hover { border-color: var(--rosa); background: var(--rosa-claro); }

.cinta {
  margin: 0 calc(-1 * var(--margen));
  overflow: hidden;
  -webkit-mask: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
          mask: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.cinta__pista {
  display: flex;
  gap: 8px;
  width: max-content;
  animation: cinta var(--dur, 40s) linear infinite;
}
.cinta:hover .cinta__pista,
.cinta.pausa .cinta__pista,
.cinta.dormida .cinta__pista { animation-play-state: paused; }
.cinta .foto {
  flex: 0 0 auto;
  width: clamp(140px, 40vw, 230px);
  aspect-ratio: 3 / 4;
}
.cinta .foto:nth-child(odd) { margin-top: 18px; }
.cinta .foto:nth-child(even) { margin-bottom: 18px; }
@keyframes cinta { to { transform: translateX(calc(-50% - 4px)); } }
.cinta--inversa .cinta__pista { animation-direction: reverse; }

/* Ushuaia: dos cintas que van en sentidos opuestos */
.cinta--viaje + .cinta--viaje { margin-top: 8px; }
.cinta--viaje .foto { width: clamp(118px, 33vw, 210px); margin: 0 !important; }
.cinta--inversa .foto { width: clamp(160px, 46vw, 290px); aspect-ratio: 4 / 3; }
.ushuaia .ver-mas { margin-top: 2.25rem; }

@media (prefers-reduced-motion: reduce) {
  .cinta { overflow-x: auto; -webkit-mask: none; mask: none; }
}

/* Favoritas: carrusel de fotos impresas, la del medio al frente */
.flow { max-width: 540px; margin: 0 auto; }
.flow__escena {
  position: relative;
  aspect-ratio: 1 / .9;
  touch-action: pan-y;
}
.flow__carta {
  position: absolute;
  top: 4%;
  left: 50%;
  width: 60%;
  aspect-ratio: 4 / 5;
  margin-left: -30%;
  padding: 7px 7px 26px;
  border-radius: 3px;
  background: #FFFBF8;
  box-shadow: 0 1px 2px rgba(58, 46, 42, .08), 0 22px 40px -22px rgba(58, 46, 42, .55);
  transition: transform 1s var(--suave), opacity 1s ease, filter 1s ease;
}
.flow__carta img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 2px;
  background: var(--arena);
  opacity: 0;
  transition: opacity .6s ease;
}
.flow__carta.is-loaded img { opacity: 1; }
.flow__carta[data-pos="0"]  { z-index: 3; transform: translateX(0) rotate(-1.5deg); }
.flow__carta[data-pos="-1"] { z-index: 2; transform: translateX(-64%) rotate(-8deg) scale(.8); opacity: .9; filter: saturate(.85) brightness(.96); }
.flow__carta[data-pos="1"]  { z-index: 2; transform: translateX(64%) rotate(7deg) scale(.8); opacity: .9; filter: saturate(.85) brightness(.96); }
.flow__carta[data-pos="-2"] { z-index: 1; transform: translateX(-115%) rotate(-12deg) scale(.62); opacity: 0; }
.flow__carta[data-pos="2"]  { z-index: 1; transform: translateX(115%) rotate(12deg) scale(.62); opacity: 0; }
.flow__carta.sin-trans { transition: none; }
.flow__carta[data-pos="0"]:active { transform: rotate(-1.5deg) scale(.97); }

.marco__pie {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.1rem;
}
.marco__cuenta {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--tinta-suave);
  font-variant-numeric: tabular-nums lining-nums;
}
.marco__cuenta span { color: var(--tinta); font-style: normal; }

.marco__progreso {
  height: 1px;
  margin-top: 1rem;
  background: var(--linea);
  overflow: hidden;
}
.marco__progreso span {
  display: block;
  height: 100%;
  background: var(--rosa);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform .6s var(--suave);
}

/* Pequeños momentos: grilla chica */
.galeria--grilla { --cols: 4; --gap: 4px; }
@media (min-width: 900px) {
  .galeria--grilla { --cols: 8; --gap: 6px; }
}


/* =========================================================
   6. NÚMEROS — ticket
   ========================================================= */
.numeros { position: relative; }

.ticket-sombra {
  max-width: 24rem;
  margin: clamp(2.5rem, 8vw, 3.5rem) auto 0;
  filter: drop-shadow(0 24px 40px rgba(0, 0, 0, .5));
}

.ticket {
  position: relative;
  padding: 2rem 1.6rem 1.6rem;
  background-color: var(--hoja);
  background-image: radial-gradient(rgba(58, 46, 42, .045) .6px, transparent .6px);
  background-size: 4px 4px;
  color: var(--tinta);
}
.ticket::before,
.ticket::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 9px;
  background: var(--hoja);
  -webkit-mask: conic-gradient(from -45deg at bottom, #0000, #000 1deg 89deg, #0000 90deg) 50% / 18px 100%;
          mask: conic-gradient(from -45deg at bottom, #0000, #000 1deg 89deg, #0000 90deg) 50% / 18px 100%;
}
.ticket::after { top: 100%; }
.ticket::before { bottom: 100%; transform: scaleY(-1); }

/* El ticket “se imprime” al aparecer */
.js .ticket {
  clip-path: inset(-12px -12px 100% -12px);
  transition: clip-path 1.9s cubic-bezier(.55, 0, .2, 1) .15s;
}
.js .ticket-sombra.is-in .ticket { clip-path: inset(-12px); }

.ticket__head {
  padding-bottom: 1.2rem;
  margin-bottom: .4rem;
  border-bottom: 1px dashed rgba(58, 46, 42, .25);
  text-align: center;
  font-family: var(--serif);
  font-size: 1.3rem;
  line-height: 1.25;
}
.ticket__head span {
  display: block;
  margin-top: .35rem;
  font-family: var(--sans);
  font-size: .76rem;
  color: var(--tinta-suave);
  font-variant-numeric: tabular-nums;
}

.ticket__lista { margin: 0; padding: .3rem 0 .5rem; list-style: none; }
.ticket__lista li {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding: .7rem 0;
  line-height: 1.3;
}
.t-label { flex: 0 1 auto; font-size: .88rem; color: #62565A; }
.t-dots {
  flex: 1 1 1rem;
  min-width: .75rem;
  border-bottom: 1px dotted rgba(58, 46, 42, .32);
  transform: translateY(-.28em);
}
.t-valor {
  flex: 0 0 auto;
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1;
  white-space: nowrap;
  font-variant-numeric: tabular-nums lining-nums;
}
.t-valor.es-texto { font-style: italic; color: var(--bordo); }

.ticket__total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: .5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--tinta);
  font-family: var(--serif);
  font-size: 1.1rem;
}
.ticket__total span:last-child { font-size: 1.6rem; color: var(--bordo); }

.ticket__codigo {
  height: 34px;
  margin: 1.5rem auto 0;
  width: 72%;
  opacity: .72;
  background:
    repeating-linear-gradient(90deg,
      var(--tinta) 0 1px, transparent 1px 3px,
      var(--tinta) 3px 5px, transparent 5px 6px,
      var(--tinta) 6px 7px, transparent 7px 10px,
      var(--tinta) 10px 13px, transparent 13px 14px,
      var(--tinta) 14px 15px, transparent 15px 18px);
}
.ticket__pie {
  margin-top: .9rem;
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: .95rem;
  color: var(--tinta-suave);
}

@media (max-width: 370px) {
  .ticket { padding-inline: 1.15rem; }
  .t-label { font-size: .8rem; }
  .t-valor { font-size: 1.05rem; }
}


/* =========================================================
   7. CARTA
   ========================================================= */
.carta { background: var(--papel); }

.carta__papel {
  max-width: 38rem;
  margin: 0 auto;
  padding: clamp(2rem, 8vw, 4rem) clamp(1.4rem, 7vw, 4rem);
  background: var(--hoja);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  box-shadow: var(--sombra-papel);
}

.carta h2 {
  margin-bottom: clamp(1.5rem, 6vw, 2.5rem);
  font-size: clamp(2.4rem, 10vw, 3.8rem);
}

.carta__texto {
  color: #4E4246;
  font-family: var(--serif);
  font-size: clamp(1.1rem, 4.3vw, 1.25rem);
  font-weight: 350;
  line-height: 1.75;
  hyphens: auto;
}
.carta__texto p + p { margin-top: 1.1em; }

.carta__texto .carta__cierre { margin-top: 2.2em; font-style: italic; color: var(--tinta); }
.carta__texto .carta__firma {
  margin-top: .75em;
  text-align: right;
  font-style: italic;
  font-size: 1.6rem;
  color: var(--bordo);
}

/* ---------- Sobre ---------- */
.sobre {
  display: grid;
  justify-items: center;
  gap: 1.5rem;
  padding: 1rem 0 2rem;
}
.sobre__cuerpo {
  position: relative;
  width: min(340px, 86vw);
  aspect-ratio: 3 / 2;
  border-radius: 6px;
  background: #D8B9B6;
  box-shadow: 0 30px 50px -30px rgba(58, 46, 42, .55), 0 2px 4px rgba(58, 46, 42, .08);
  perspective: 900px;
  animation: flota 4.5s ease-in-out infinite;
}
@keyframes flota {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-8px) rotate(.6deg); }
}

.sobre__carta {
  position: absolute;
  left: 6%;
  right: 6%;
  top: 7%;
  height: 88%;
  z-index: 1;
  display: flex;
  justify-content: center;
  padding-top: 12%;
  border-radius: 3px;
  background: var(--hoja);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--tinta);
  transition: transform 1.1s var(--suave) .55s;
}
.sobre__frente {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: 6px;
  background: linear-gradient(160deg, #E9D5D2, #DEC2BF);
  clip-path: polygon(0 0, 50% 56%, 100% 0, 100% 100%, 0 100%);
}
.sobre__solapa {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 60%;
  z-index: 3;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, #D2ACA9, #C79F9E);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform-origin: top;
  transition: transform .8s var(--suave), z-index 0s linear .4s;
}
.sobre__sello {
  position: absolute;
  z-index: 4;
  left: 50%;
  top: 60%;
  width: 64px;
  height: 64px;
  margin: -32px 0 0 -32px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #A84255, var(--bordo) 60%, #632331);
  color: #F3E4DE;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  box-shadow: 0 6px 14px -4px rgba(99, 35, 49, .58), inset 0 0 0 4px rgba(255, 255, 255, .08);
  animation: sello 2.4s ease-in-out infinite;
  transition: transform .5s var(--suave), opacity .4s ease;
}
@keyframes sello {
  0%, 100% { box-shadow: 0 6px 14px -4px rgba(99, 35, 49, .58), 0 0 0 0 rgba(142, 47, 63, .34); }
  50% { box-shadow: 0 6px 14px -4px rgba(99, 35, 49, .58), 0 0 0 12px rgba(142, 47, 63, 0); }
}
.sobre__hint {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--tinta-suave);
  transition: opacity .4s ease;
}

/* Secuencia de apertura */
.sobre.abierto .sobre__cuerpo { animation: none; }
.sobre.abierto .sobre__sello { transform: scale(1.3); opacity: 0; pointer-events: none; }
.sobre.abierto .sobre__hint { opacity: 0; }
.sobre.abierto .sobre__solapa { transform: rotateX(180deg); z-index: 0; }
.sobre.abierto .sobre__carta { transform: translateY(-58%); }
.sobre.fuera {
  opacity: 0;
  transform: scale(.94) translateY(-10px);
  transition: opacity .6s ease, transform .6s ease;
}

/* La carta aparece desplegándose */
.js .carta__papel { display: none; }
.js .carta__papel.visible { display: block; animation: desplegar 1.3s var(--suave) both; }
@keyframes desplegar {
  from { opacity: 0; transform: perspective(900px) rotateX(-14deg) translateY(40px) scale(.96); }
  to   { opacity: 1; transform: none; }
}
.carta__texto p { transition: opacity 1s ease, transform 1.1s var(--suave); transition-delay: calc(.5s + var(--p, 0) * 260ms); }
.js .carta__papel:not(.leida) .carta__texto p { opacity: 0; transform: translateY(12px); }

/* La firma se escribe sola */
.js .carta__papel .carta__firma { clip-path: inset(0 100% 0 0); }
.js .carta__papel.leida .carta__firma {
  clip-path: inset(0 -10% 0 0);
  transition: clip-path 1.8s cubic-bezier(.6, 0, .3, 1);
  transition-delay: calc(.8s + var(--p, 0) * 260ms);
}


/* =========================================================
   8. FINAL — igual que la portada: fotos a pantalla completa
   ========================================================= */
.final {
  position: relative;
  display: grid;
  align-items: end;
  height: 100vh;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
  text-align: center;
}
.final::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(to top, rgba(15, 13, 12, .9) 0%, rgba(15, 13, 12, .4) 45%, rgba(15, 13, 12, .1) 75%);
}

.final__content {
  position: relative;
  z-index: 2;
  padding: 0 var(--margen) calc(4.5rem + env(safe-area-inset-bottom));
}

.final h2 {
  max-width: 12ch;
  margin: 0 auto;
  font-size: clamp(2.7rem, 11.5vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
}
.final__anios {
  margin-top: 1rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--bordo);
}
.final__frase { margin-top: 1.5rem; font-size: .95rem; color: var(--tinta-suave); }
@media (min-width: 900px) {
  .final__content { padding-bottom: 3.5rem; }
  .final h2 { max-width: 22ch; font-size: clamp(3rem, 4.6vw, 4.4rem); }
  .final::after { background: linear-gradient(to top, rgba(15, 13, 12, .92) 0%, rgba(15, 13, 12, .45) 30%, rgba(15, 13, 12, 0) 55%); }
}

/* El título aparece palabra por palabra */
.js .final .palabra {
  opacity: 0;
  transform: translateY(.35em);
  filter: blur(6px);
  transition: opacity 1.1s ease, transform 1.3s var(--suave), filter 1.1s ease;
  transition-delay: calc(.5s + var(--w) * .2s);
}
.js .final.is-in .palabra { opacity: 1; transform: none; filter: none; }

.js .final__content > p {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 1.4s ease, transform 1.6s var(--suave);
}
.js .final__content > p:nth-of-type(1) { transition-delay: 1.9s; }
.js .final__content > p:nth-of-type(2) { transition-delay: 2.5s; }
.js .final__content > p:nth-of-type(3) { transition-delay: 3.2s; }

.final__volver { margin-top: 2.25rem; }
.final__volver button {
  padding: .5rem 1rem;
  font-size: .82rem;
  color: var(--tinta-suave);
  border-bottom: 1px solid var(--linea);
  transition: color .3s, border-color .3s;
}
.final__volver button:hover { color: var(--tinta); border-color: var(--rosa); }
.js .final.is-in .final__content > p { opacity: 1; transform: none; }


/* =========================================================
   MÚSICA — botón flotante
   ========================================================= */
.musica {
  position: fixed;
  right: max(14px, env(safe-area-inset-right));
  bottom: calc(14px + env(safe-area-inset-bottom));
  z-index: 90;
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .6rem 1rem .6rem .85rem;
  border: 1px solid var(--linea);
  border-radius: 999px;
  background: rgba(255, 251, 248, .84);
  color: var(--tinta);
  box-shadow: 0 12px 30px -14px rgba(33, 26, 28, .42);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
          backdrop-filter: blur(14px) saturate(1.2);
  font-family: var(--serif);
  font-style: italic;
  font-size: .95rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .5s ease, transform .5s var(--suave);
}
.musica.is-visible { opacity: 1; transform: none; }

.musica__ondas {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}
.musica__ondas i {
  width: 2px;
  height: 3px;
  border-radius: 1px;
  background: var(--bordo);
  transition: height .3s ease;
}
.musica.is-playing .musica__ondas i { animation: onda 1.1s ease-in-out infinite; }
.musica.is-playing .musica__ondas i:nth-child(2) { animation-delay: -.45s; }
.musica.is-playing .musica__ondas i:nth-child(3) { animation-delay: -.2s; }
.musica.is-playing .musica__ondas i:nth-child(4) { animation-delay: -.7s; }
@keyframes onda {
  0%, 100% { height: 3px; }
  50% { height: 12px; }
}


/* =========================================================
   VISOR DE FOTOS
   ========================================================= */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 24, 22, .97);
  color: var(--papel);
  opacity: 0;
  transition: opacity .35s ease;
  touch-action: none;
}
.lightbox.is-open { opacity: 1; }

.lb-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: calc(3.5rem + env(safe-area-inset-top)) 0 calc(3.5rem + env(safe-area-inset-bottom));
}
.lb-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: opacity .3s ease;
  user-select: none;
  -webkit-user-drag: none;
}
.lb-img.is-changing { opacity: 0; }

.lb-cerrar, .lb-nav {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  opacity: .8;
  transition: opacity .2s, background .2s;
}
.lb-cerrar:hover, .lb-nav:hover { opacity: 1; background: rgba(248, 243, 238, .11); }
.lb-cerrar { top: calc(.5rem + env(safe-area-inset-top)); right: .5rem; }
.lb-nav { top: 50%; transform: translateY(-50%); display: none; }
.lb-prev { left: 1rem; }
.lb-next { right: 1rem; }
@media (hover: hover) and (min-width: 700px) {
  .lb-nav { display: grid; }
  .lb-stage { padding-left: 5rem; padding-right: 5rem; }
}

.lb-corazon {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  width: 84px;
  height: 84px;
  margin: -42px 0 0 -42px;
  fill: rgba(241, 232, 226, .94);
  opacity: 0;
  pointer-events: none;
  filter: drop-shadow(0 6px 20px rgba(0, 0, 0, .35));
}
.lb-corazon.late { animation: corazon .95s var(--suave); }
@keyframes corazon {
  0%   { opacity: 0; transform: scale(.4); }
  25%  { opacity: 1; transform: scale(1.12); }
  45%  { transform: scale(.96); }
  70%  { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.05) translateY(-12px); }
}

.lb-count {
  position: absolute;
  bottom: calc(1.1rem + env(safe-area-inset-bottom));
  left: 0;
  right: 0;
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: .95rem;
  opacity: .7;
  font-variant-numeric: tabular-nums;
}


/* =========================================================
   Movimiento reducido
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition-duration: .01ms !important;
    transition-delay: 0s !important;
  }
  .js .ticket { clip-path: none; }
}