/* ==========================================================
   25 años · estilos
   Paleta: crema, marfil, beige, rosa empolvado, melocotón, burdeos
   ========================================================== */

@font-face {
  font-family: "Lora";
  src: url("assets/fonts/Lora-Variable.woff") format("woff");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Lora";
  src: url("assets/fonts/Lora-Italic-Variable.woff") format("woff");
  font-weight: 400 700;
  font-style: italic;
  font-display: swap;
}

:root {
  --crema: #F7EFE4;
  --marfil: #FBF6EE;
  --beige: #EADBC8;
  --rosa: #EBCBC6;
  --rosa-fuerte: #D9A7A2;
  --melocoton: #F1BE9E;
  --burdeos: #7A2634;
  --burdeos-oscuro: #5E1B28;
  --tinta: #3B2729;
  --tinta-suave: #6B5052;
  --blanco-calido: #FFF9F2;

  --serif: "Lora", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  /* Manuscrita solo para frases cortas. iPhone: Snell Roundhand · Android: Dancing Script · Windows: Segoe Script */
  --manuscrita: "Snell Roundhand", "Segoe Script", "Dancing Script", "Lora", cursive;

  --duracion: 520ms;
  --curva: cubic-bezier(.22, .7, .25, 1);
  --nav-alto: 76px;
  --seguro-abajo: env(safe-area-inset-bottom, 0px);
  --seguro-arriba: env(safe-area-inset-top, 0px);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--crema);
  color: var(--tinta);
  font-family: var(--serif);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}

body { overflow: hidden; }

img { display: block; max-width: 100%; }
figure { margin: 0; }
button { font: inherit; color: inherit; }

.saltar {
  position: absolute; left: -999px; top: 8px; z-index: 50;
  background: var(--marfil); padding: 8px 14px; border-radius: 999px;
}
.saltar:focus { left: 8px; }

:focus-visible { outline: 2px solid var(--burdeos); outline-offset: 3px; }
[tabindex="-1"]:focus { outline: none; }

/* ---------- Escenario ---------- */

.historia {
  position: fixed;
  inset: 0;
  overflow: hidden;
}

.paso {
  position: absolute;
  inset: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition:
    opacity var(--duracion) var(--curva),
    transform var(--duracion) var(--curva),
    visibility 0s linear var(--duracion);
}

.paso.es-activo {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition:
    opacity var(--duracion) var(--curva),
    transform var(--duracion) var(--curva),
    visibility 0s;
  z-index: 2;
}

.paso.sale-atras { transform: translateY(-14px); }

.paso--crema { background: var(--crema); }
.paso--marfil { background: var(--marfil); }
.paso--beige { background: linear-gradient(180deg, var(--crema), var(--beige)); }
.paso--rosa { background: linear-gradient(180deg, var(--marfil) 0%, var(--rosa) 100%); }

.paso__contenido {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding:
    calc(40px + var(--seguro-arriba))
    24px
    calc(var(--nav-alto) + 36px + var(--seguro-abajo));
}

.paso__contenido--columna {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}
.paso__contenido--centro { align-items: center; text-align: center; }

/* ---------- Pasos con foto a pantalla completa ---------- */

.paso--foto { background: var(--burdeos-oscuro); color: var(--blanco-calido); }

.paso__marco {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.paso__fondo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
  transition: transform 6s ease-out;
}
.paso.es-activo .paso__fondo { transform: scale(1); }

.paso__velo {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(40, 18, 22, .18) 0%, rgba(40, 18, 22, 0) 30%, rgba(40, 18, 22, .12) 50%, rgba(40, 18, 22, .72) 100%);
}

.paso__contenido--abajo {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 14px;
  text-shadow: 0 1px 18px rgba(40, 14, 20, .45);
}

.paso__contenido--centro-vertical {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-shadow: 0 1px 22px rgba(40, 14, 20, .55);
}
#momentos-2 .paso__velo { background: radial-gradient(ellipse at center, rgba(50, 20, 28, .38), rgba(50, 20, 28, .12) 70%); }

.paso--portada .paso__contenido { padding-bottom: calc(48px + var(--seguro-abajo)); }

/* ---------- Tipografía ---------- */

.antetitulo {
  margin: 0;
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--burdeos);
  font-weight: 500;
}
.paso--foto .antetitulo { color: var(--melocoton); }

.titulo {
  margin: 0;
  font-weight: 500;
  font-size: clamp(1.6rem, 6.4vw, 2.3rem);
  line-height: 1.18;
  letter-spacing: -.01em;
  text-wrap: balance;
}
.titulo--grande { font-size: clamp(2rem, 8.6vw, 3rem); line-height: 1.12; }

.subtexto {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.55;
  opacity: .92;
  max-width: 34ch;
}

.texto {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.65;
  color: var(--tinta-suave);
  text-wrap: pretty;
}
.texto--grande { font-size: clamp(1.2rem, 4.8vw, 1.45rem); line-height: 1.5; color: var(--tinta); font-style: italic; }

.frase {
  margin: 0;
  font-size: clamp(1.45rem, 6vw, 2rem);
  line-height: 1.3;
  font-style: italic;
  max-width: 22ch;
  text-wrap: balance;
}
.paso__contenido--centro-vertical .frase { max-width: 18ch; }

.manuscrita {
  font-family: var(--manuscrita);
  font-style: normal;
  font-weight: 400;
  line-height: 1.25;
}
.frase.manuscrita { font-size: clamp(1.9rem, 8vw, 2.6rem); }

.anio {
  margin: -8px 0 0;
  font-size: clamp(3.4rem, 18vw, 5rem);
  line-height: 1;
  font-weight: 400;
  color: var(--burdeos);
  letter-spacing: -.02em;
}

/* Marcas de texto provisional (solo con data-borrador="true") */
body[data-borrador="true"] [data-provisional] {
  background: linear-gradient(transparent 62%, rgba(241, 190, 158, .45) 0);
}
body[data-borrador="true"] [data-provisional]::after {
  content: " · provisional";
  font-family: var(--serif);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--burdeos);
  opacity: .7;
  white-space: nowrap;
}
body:not([data-borrador="true"]) [data-solo-borrador] { display: none; }

.aviso-borrador {
  margin: 0 0 8px;
  padding: 8px 14px;
  border: 1px dashed var(--rosa-fuerte);
  border-radius: 10px;
  font-size: .82rem;
  color: var(--burdeos);
  background: rgba(241, 190, 158, .15);
}

/* ---------- Fotos ---------- */

.foto img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 0 18px 40px -22px rgba(90, 40, 46, .45);
}
.foto--recta img { aspect-ratio: 4 / 5; max-height: 38vh; max-height: 38svh; margin: 0 auto; width: auto; }
.foto--horizontal img { aspect-ratio: 3 / 2; }
.foto--marco { padding: 10px; background: var(--blanco-calido); border-radius: 6px; box-shadow: 0 18px 40px -24px rgba(90, 40, 46, .5); }
.foto--marco img { box-shadow: none; border-radius: 2px; }

/* ---------- Galería (composición variada, solo una foto inclinada) ---------- */

.galeria {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: minmax(0, auto);
  gap: 12px;
}
.galeria__item img { width: 100%; height: 100%; object-fit: cover; border-radius: 4px; }
.galeria__item--alta { grid-row: span 2; }
.galeria__item--alta img { aspect-ratio: 3 / 4.3; }
.galeria__item--ancha img { aspect-ratio: 4 / 3; }
.galeria__item--cuadrada img { aspect-ratio: 1; }
.galeria__item--polaroid {
  grid-column: 1 / -1;
  justify-self: center;
  width: 50%;
  padding: 8px 8px 26px;
  background: var(--blanco-calido);
  border-radius: 3px;
  transform: rotate(-2.5deg);
  box-shadow: 0 16px 34px -20px rgba(90, 40, 46, .55);
  margin-top: 6px;
}
.galeria__item--polaroid img { aspect-ratio: 1; border-radius: 1px; }

/* ---------- Tarjeta que gira ---------- */

.tarjeta {
  position: relative;
  width: min(78vw, 360px);
  aspect-ratio: 4 / 5;
  max-height: 58vh;
  max-height: 58svh;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  perspective: 1400px;
  -webkit-tap-highlight-color: transparent;
}
@supports not (aspect-ratio: 1) {
  .tarjeta { height: 450px; }
}
.tarjeta__interior {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: transform 800ms var(--curva);
}
.tarjeta.esta-girada .tarjeta__interior { transform: rotateY(180deg); }

.tarjeta__cara {
  position: absolute;
  inset: 0;
  border-radius: 6px;
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  box-shadow: 0 24px 48px -26px rgba(90, 40, 46, .6);
}
.tarjeta__cara--frente { transform: translateZ(1px); }
.tarjeta__cara--frente img { width: 100%; height: 100%; object-fit: cover; }
.tarjeta__cara--dorso {
  transform: rotateY(180deg) translateZ(1px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, .7), transparent 60%),
    linear-gradient(160deg, var(--marfil), var(--rosa));
  border: 1px solid rgba(122, 38, 52, .12);
}
.tarjeta__mensaje {
  font-size: clamp(1.8rem, 7.4vw, 2.4rem);
  color: var(--burdeos);
  text-align: center;
  text-wrap: balance;
}
.tarjeta__mensaje[data-provisional]::after { display: block; margin-top: 12px; }

.enlace {
  border: 0;
  background: none;
  padding: 12px 18px;
  min-height: 44px;
  color: var(--burdeos);
  font-size: .98rem;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  cursor: pointer;
}

/* ---------- Carta ---------- */

.carta {
  max-width: 600px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100%;
}
.carta p {
  margin: 0 0 1.05em;
  font-size: clamp(1.08rem, 4.3vw, 1.22rem);
  line-height: 1.75;
  color: var(--tinta);
  text-wrap: pretty;
}
.carta .carta__saludo { font-size: clamp(2rem, 8vw, 2.5rem); color: var(--burdeos); margin-bottom: .5em; line-height: 1.2; }
.carta .carta__firma { font-size: clamp(1.8rem, 7vw, 2.2rem); color: var(--burdeos); margin-top: .4em; text-align: right; line-height: 1.2; }
.carta .aviso-borrador { font-size: .82rem; line-height: 1.4; }

/* ---------- Invitación ---------- */

.paso--invitacion { background: var(--marfil); }
.invitacion__foto { position: relative; height: 44vh; height: 44svh; }
.invitacion__foto img { width: 100%; height: 100%; object-fit: cover; object-position: center 68%; }
.invitacion__foto::after {
  content: "";
  position: absolute; inset: auto 0 0 0; height: 40%;
  background: linear-gradient(transparent, var(--marfil));
}
.invitacion {
  min-height: auto;
  padding-top: 8px;
  text-align: center;
  align-items: center;
  gap: 16px;
}
.invitacion .texto { max-width: 34ch; }
.invitacion__respuesta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  animation: aparecer 700ms var(--curva) both;
}
.invitacion__respuesta[hidden] { display: none; }
.invitacion__respuesta .frase { color: var(--burdeos); max-width: none; }

.invitacion__detalles { display: none; margin: 12px 0 0; padding: 14px 20px; border-top: 1px solid var(--beige); }
body[data-cena-detalles="true"] .invitacion__detalles { display: grid; gap: 6px; }
.invitacion__detalles div { display: flex; gap: 10px; justify-content: center; }
.invitacion__detalles dt { font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--tinta-suave); padding-top: 4px; }
.invitacion__detalles dd { margin: 0; }

.boton.es-aceptado { background: var(--rosa-fuerte); color: var(--burdeos-oscuro); pointer-events: none; }

.corazones { position: absolute; inset: 0; pointer-events: none; overflow: visible; }
.corazon {
  position: absolute;
  bottom: 30%;
  font-size: 20px;
  color: var(--burdeos);
  opacity: 0;
  animation: flotar 1.6s var(--curva) forwards;
}
@keyframes flotar {
  0% { opacity: 0; transform: translate(0, 0) scale(.6); }
  15% { opacity: 1; }
  100% { opacity: 0; transform: translate(var(--dx, 0), -220px) scale(1.15) rotate(var(--giro, 0deg)); }
}
@keyframes aparecer {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Botones ---------- */

.boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 0 28px;
  border: 0;
  border-radius: 999px;
  font-size: 1.02rem;
  letter-spacing: .02em;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 160ms ease, background-color 200ms ease, box-shadow 200ms ease;
  align-self: flex-start;
}
.boton:active { transform: scale(.97); }
.boton--claro {
  background: var(--blanco-calido);
  color: var(--burdeos);
  box-shadow: 0 10px 30px -12px rgba(30, 10, 14, .6);
  margin-top: 10px;
}
.boton--burdeos { background: var(--burdeos); color: var(--blanco-calido); box-shadow: 0 10px 24px -14px rgba(94, 27, 40, .8); }
.boton--burdeos:hover { background: var(--burdeos-oscuro); }
.invitacion .boton { align-self: center; margin-top: 4px; }

/* ---------- Navegación inferior ---------- */

.progreso {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: calc(3px + var(--seguro-arriba));
  padding-top: var(--seguro-arriba);
  z-index: 20;
  pointer-events: none;
  transition: opacity 300ms;
}
.progreso__barra {
  display: block;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--melocoton), var(--burdeos));
  border-radius: 0 3px 3px 0;
  transition: width var(--duracion) var(--curva);
}

.controles {
  position: fixed;
  left: 50%;
  bottom: calc(14px + var(--seguro-abajo));
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(calc(100% - 28px), 480px);
  padding: 8px;
  border-radius: 999px;
  background: rgba(251, 246, 238, .82);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
  box-shadow: 0 12px 34px -18px rgba(60, 24, 30, .55);
  transition: opacity 300ms, transform 300ms var(--curva);
}
.controles.es-final { width: auto; padding-right: 22px; }
.controles.esta-oculto { opacity: 0; transform: translate(-50%, 20px); pointer-events: none; }

.controles__atras {
  flex: none;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border: 1px solid rgba(122, 38, 52, .2);
  border-radius: 50%;
  background: transparent;
  color: var(--burdeos);
  cursor: pointer;
}
.controles__atras:disabled { opacity: .3; cursor: default; }

.controles__estado {
  flex: 1;
  text-align: center;
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--tinta-suave);
  white-space: nowrap;
}

.controles__seguir { flex: none; min-height: 48px; padding: 0 20px 0 24px; align-self: auto; }
.controles__seguir[hidden] { display: none; }

/* ---------- Música ---------- */

.musica {
  position: fixed;
  top: calc(14px + var(--seguro-arriba));
  right: 14px;
  z-index: 21;
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 40px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: rgba(251, 246, 238, .82);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--burdeos);
  font-size: .85rem;
  cursor: pointer;
}
.musica[hidden] { display: none; }
.musica[aria-pressed="true"] .musica__icono { animation: latir 1.6s ease-in-out infinite; }
@keyframes latir { 50% { transform: scale(1.25); } }

/* ---------- Pantallas grandes ---------- */

@media (min-width: 760px) {
  .paso__contenido { padding-left: 40px; padding-right: 40px; }
  .paso--foto .paso__contenido { max-width: 760px; margin-left: 6vw; }
  .paso__contenido--centro-vertical { margin: 0 auto !important; }
  .foto--recta img { max-height: 48vh; }
  .invitacion__foto { height: 50vh; }
}

@media (max-height: 620px) {
  .foto--recta img { max-height: 36vh; }
  .anio { font-size: 3rem; }
  .paso__contenido--columna { gap: 14px; }
}

/* ---------- Movimiento reducido ---------- */

@media (prefers-reduced-motion: reduce) {
  :root { --duracion: 180ms; }
  .paso, .paso.sale-atras { transform: none !important; }
  .paso__fondo { transform: none !important; transition: none; }
  .tarjeta { perspective: none; }
  .tarjeta__interior { transition: none; transform: none !important; }
  .tarjeta__cara { backface-visibility: visible; -webkit-backface-visibility: visible; transition: opacity 200ms; }
  .tarjeta__cara--dorso { transform: none; opacity: 0; }
  .tarjeta.esta-girada .tarjeta__cara--dorso { opacity: 1; }
  .tarjeta.esta-girada .tarjeta__cara--frente { opacity: 0; }
  .corazon { display: none; }
  .invitacion__respuesta { animation: none; }
  .musica[aria-pressed="true"] .musica__icono { animation: none; }
}