/* ============================================================================
   ESTILOS PRINCIPALES  —  Mobile First
   Estructura: reset · tipografía · nav · hero · secciones · footer
   ========================================================================== */

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; } /* asegura que hidden gane a display:grid/flex/etc. */

/* ----------------------------------------------------------------------------
   ANCHO A PRUEBA DE BALAS
   Si algo (típicamente un position:fixed) resulta más ancho que el documento,
   los navegadores móviles "encogen" la página y queda una franja vacía al
   costado. Esto fuerza a que documento y contenido ocupen SIEMPRE el 100%.
   -------------------------------------------------------------------------- */
html, body { width: 100%; max-width: 100%; overscroll-behavior-x: none; }
/* ⚠️ El recorte va SÓLO en <html>, nunca también en <body>.
   Con overflow-x en LOS DOS, ambos se vuelven contenedores de scroll anidados
   y `position: sticky` DEJA DE PEGARSE → el scrollytelling se rompe entero.
   Verificado: html:clip + body:visible = sticky OK y los fixed igual se recortan. */
html {
  overflow-x: hidden;   /* respaldo para navegadores sin clip */
  overflow-x: clip;
}
main { width: 100%; max-width: 100%; }
/* Ningún elemento fijo puede exceder el ancho visible. Se anclan a la
   izquierda con ancho 100% en vez de estirarse con left+right, que es lo
   que los hacía más anchos que el documento. */
.nav, .progress-bar, .grain, .env, .lightbox, .theme-switcher {
  max-width: 100%;
}
.grain, .env, .lightbox { right: auto; width: 100%; }
.nav { right: auto; width: 100%; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--nav-h) + 14px); }

/* Foco visible: sin esto la página es inusable con teclado (WCAG 2.4.7) */
:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
a { color: inherit; text-decoration: none; }
input, select, textarea { font-family: inherit; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-weight: 300;
  /* sin overflow-x acá: el recorte lo hace <html> (ver nota arriba).
     Si se pone en ambos, position:sticky deja de funcionar. */
  transition: background .5s ease, color .5s ease;
}
body.no-scroll { overflow: hidden; height: 100vh; }

/* ---------- TIPOGRAFÍA ---------- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.1; }

.section {
  /* margen lateral fluido para que nada quede pegado al borde en mobile */
  padding: var(--section-pad) clamp(1.4rem, 5.5vw, 2.2rem);
  max-width: var(--maxw);
  margin: 0 auto;
  text-align: center;
}
.section--alt { max-width: 100%; background: var(--bg-alt); transition: background .5s ease; }
.section--alt > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }

.section__title {
  font-size: clamp(1.9rem, 6vw, 3rem);
  color: var(--text);
  margin-bottom: 2rem;
  position: relative;
  display: inline-block;
}
.section__title::after {
  content: "";
  display: block;
  width: 54px; height: 2px;
  background: var(--accent);
  margin: .9rem auto 0;
}

/* ---------- BOTONES ---------- */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: .9rem 2rem;
  border-radius: 50px;
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 500;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  box-shadow: 0 8px 22px -10px var(--accent);
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -10px var(--accent); }
.btn:active { transform: translateY(-1px); }
.btn--outline { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); box-shadow: none; }
.btn--outline:hover { background: var(--accent); color: #fff; }
.btn--full { width: 100%; }

/* ---------- REVEAL (animación al hacer scroll) ----------
   Escondido SOLO bajo .fx-on (la agrega main.js en su primera línea): si el
   JS no corre, nada queda invisible. Garantía del error documentado. */
.fx-on .reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.reveal { transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================================
   NAV
   ========================================================================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.2rem;
  transition: background .4s ease, box-shadow .4s ease, transform .4s ease;
  transform: translateY(-100%);
}
.nav.show { transform: translateY(0); }
.nav.scrolled { background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px); box-shadow: 0 2px 20px -12px rgba(0,0,0,.4); }
.nav__brand { font-family: var(--font-display); font-size: 1.3rem; letter-spacing: .05em; color: var(--text); }
.nav__links { display: none; }
.nav__actions { display: flex; align-items: center; gap: .8rem; }

.nav__music { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; transition: border-color .3s; }
.nav__music:hover { border-color: var(--accent); }
.nav__music-icon { width: 14px; height: 14px; position: relative; display: inline-block; }
.nav__music-icon::before, .nav__music-icon::after {
  content: ""; position: absolute; bottom: 0; width: 3px; background: var(--accent); border-radius: 2px;
}
.nav__music-icon::before { left: 2px; height: 8px; }
.nav__music-icon::after  { left: 8px; height: 13px; }
.nav__music.playing .nav__music-icon::before { animation: bar .6s ease-in-out infinite alternate; }
.nav__music.playing .nav__music-icon::after  { animation: bar .6s ease-in-out infinite alternate-reverse; }
@keyframes bar { from { height: 4px; } to { height: 14px; } }

.nav__burger { display: flex; flex-direction: column; gap: 4px; width: 26px; }
.nav__burger span { height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav__burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Menú móvil desplegable */
.nav__links.open {
  display: flex; flex-direction: column;
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  backdrop-filter: blur(12px);
  padding: 1rem 1.4rem 2rem;
  gap: .3rem;
  box-shadow: 0 20px 40px -20px rgba(0,0,0,.4);
  animation: slideDown .3s ease;
}
@keyframes slideDown { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: none; } }
.nav__links a {
  padding: .7rem 0; letter-spacing: .1em; text-transform: uppercase; font-size: .8rem;
  color: var(--text-soft); border-bottom: 1px solid var(--line); transition: color .3s;
}
.nav__links a:hover { color: var(--accent); }

/* ============================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative; height: 100vh; height: 100svh; min-height: 560px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; color: #fff; overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background: url("https://images.unsplash.com/photo-1519741497674-611481863552?w=1600&q=80") center/cover;
  transform: scale(1.1);
  will-change: transform;
}
.hero__overlay { position: absolute; inset: 0; background: var(--hero-overlay); }
.hero__content { position: relative; z-index: 2; padding: 1.5rem; }
.hero__pre { font-family: var(--font-script); font-size: clamp(1.8rem, 8vw, 3rem); margin-bottom: .3rem; color: #fff; }
.hero__names {
  font-size: clamp(2.8rem, 13vw, 6.5rem);
  font-weight: 500; letter-spacing: .02em;
  text-shadow: 0 4px 30px rgba(0,0,0,.4);
  margin-bottom: 1rem;
}
.hero__date { font-size: clamp(.95rem, 3.5vw, 1.2rem); letter-spacing: .28em; text-transform: uppercase; font-weight: 400; }
.hero__city { font-size: .8rem; letter-spacing: .22em; text-transform: uppercase; margin-top: .5rem; opacity: .85; }
.hero__scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 2;
  width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.7); border-radius: 20px;
}
.hero__scroll span { position: absolute; top: 8px; left: 50%; width: 4px; height: 8px; background: #fff; border-radius: 2px; transform: translateX(-50%); animation: scrolldot 1.8s infinite; }
@keyframes scrolldot { 0% { opacity: 0; top: 8px; } 40% { opacity: 1; } 80% { opacity: 0; top: 22px; } 100% { opacity: 0; } }

/* ============================================================================
   COUNTDOWN
   ========================================================================== */
.countdown__grid { display: flex; justify-content: center; gap: .6rem; flex-wrap: wrap; margin-bottom: 2.4rem; }
.countdown__box {
  background: var(--surface); border-radius: var(--radius);
  min-width: 74px; padding: 1.1rem .6rem; box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.countdown__num { font-family: var(--font-display); font-size: clamp(1.8rem, 8vw, 2.8rem); color: var(--accent); line-height: 1; font-variant-numeric: tabular-nums; }
.countdown__label { font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; color: var(--text-soft); margin-top: .4rem; }

/* ============================================================================
   INVITACIÓN
   ========================================================================== */
.invite { position: relative; }
.invite__ornament, .gifts__ornament { font-size: 2rem; color: var(--accent); margin-bottom: .5rem; opacity: .7; }
.invite__text, .gifts__text {
  font-family: var(--font-display); font-size: clamp(1.15rem, 4.5vw, 1.6rem);
  font-style: italic; color: var(--text-soft); max-width: 640px; margin: 0 auto; line-height: 1.6;
}

/* ============================================================================
   HISTORIA (timeline)
   ========================================================================== */
.story__timeline { position: relative; max-width: 620px; margin: 0 auto; padding-left: 30px; text-align: left; }
.story__timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.story__item { position: relative; padding: 0 0 2.2rem 1.4rem; }
.story__item::before {
  content: ""; position: absolute; left: -30px; top: 4px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--accent);
}
.story__year { font-family: var(--font-display); font-size: 1.5rem; color: var(--accent); }
.story__item h3 { font-size: 1.2rem; margin: .1rem 0 .3rem; }
.story__item p { color: var(--text-soft); font-size: .95rem; }

/* ============================================================================
   GALERÍA
   ========================================================================== */
.gallery__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .6rem; }
.gallery__item { position: relative; overflow: hidden; border-radius: 10px; aspect-ratio: 1/1; cursor: pointer; }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.gallery__item:hover img { transform: scale(1.08); }
.gallery__item::after { content: "🔍"; position: absolute; inset: 0; display: grid; place-items: center; background: rgba(0,0,0,.25); opacity: 0; transition: opacity .3s; font-size: 1.4rem; }
.gallery__item:hover::after { opacity: 1; }

/* ============================================================================
   EVENTOS
   ========================================================================== */
.events__grid { display: grid; gap: 1.4rem; }
.event-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 2.2rem 1.6rem;
  box-shadow: var(--shadow); text-align: center;
}
.event-card__icon { font-size: 2.2rem; margin-bottom: .6rem; }
.event-card__type { font-family: var(--font-display); font-size: 1.7rem; color: var(--accent); margin-bottom: .3rem; }
.event-card__hora { font-weight: 500; letter-spacing: .12em; text-transform: uppercase; font-size: .8rem; color: var(--text-soft); }
.event-card__lugar { font-size: 1.1rem; margin: .8rem 0 .2rem; }
.event-card__dir { color: var(--text-soft); font-size: .9rem; margin-bottom: 1.2rem; }

/* ============================================================================
   INFO
   ========================================================================== */
.info__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.info-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.6rem 1rem;
}
.info-card__icon { font-size: 1.8rem; margin-bottom: .5rem; }
.info-card h3 { font-size: 1.1rem; margin-bottom: .3rem; }
.info-card p { color: var(--text-soft); font-size: .86rem; }

/* ============================================================================
   REGALOS
   ========================================================================== */
.gifts__grid { display: grid; gap: 1rem; margin-top: 2rem; max-width: 560px; margin-inline: auto; }
.gift-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.4rem; text-align: left;
}
.gift-card__label { font-weight: 500; color: var(--accent); letter-spacing: .05em; margin-bottom: .7rem; }
.gift-row { display: flex; justify-content: space-between; align-items: center; gap: .8rem; padding: .35rem 0; border-bottom: 1px dashed var(--line); font-size: .9rem; }
.gift-row:last-child { border-bottom: none; }
.gift-row span:first-child { color: var(--text-soft); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.gift-row code { font-family: var(--font-body); font-size: .9rem; }
.copy-btn { font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent); border-radius: 30px; padding: .25rem .7rem; transition: all .25s; }
.copy-btn:hover { background: var(--accent); color: #fff; }
.copy-btn.copied { background: var(--accent-2); border-color: var(--accent-2); color: #fff; }

/* ============================================================================
   PLAYLIST
   ========================================================================== */
.playlist__text { color: var(--text-soft); max-width: 520px; margin: 0 auto 1.6rem; }
.playlist__form { display: flex; gap: .6rem; max-width: 460px; margin: 0 auto; flex-wrap: wrap; }
.playlist__form input { flex: 1; min-width: 200px; padding: .85rem 1.1rem; border: 1px solid var(--line); border-radius: 50px; background: var(--surface); color: var(--text); }
.playlist__form input:focus { outline: none; border-color: var(--accent); }
.playlist__spotify { display: inline-block; margin-top: 1.4rem; color: var(--accent); letter-spacing: .06em; font-size: .85rem; border-bottom: 1px solid var(--accent); padding-bottom: 2px; }
.playlist__thanks { margin-top: 1.2rem; color: var(--accent-2); font-weight: 500; }

/* ============================================================================
   RSVP
   ========================================================================== */
.rsvp__text { color: var(--text-soft); max-width: 520px; margin: 0 auto 2.2rem; }
.rsvp__form { max-width: 480px; margin: 0 auto; text-align: left; }
.field { margin-bottom: 1.3rem; }
.field > label { display: block; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-soft); margin-bottom: .5rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: .85rem 1rem; border: 1px solid var(--line);
  border-radius: 10px; background: var(--surface); color: var(--text); transition: border-color .3s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.radio-group { display: flex; gap: .7rem; flex-wrap: wrap; }
.radio { flex: 1; min-width: 140px; position: relative; }
/* el input queda contenido dentro de su label: antes se salía de la pantalla
   (medía 345px) y podía interceptar toques fuera del área visible */
.radio input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; margin: 0; cursor: pointer; }
.radio span {
  display: block; text-align: center; padding: .85rem; border: 1px solid var(--line);
  border-radius: 10px; transition: all .25s; font-size: .92rem; text-transform: none; letter-spacing: normal; color: var(--text);
}
.radio input:checked + span { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); font-weight: 500; }
/* despliegue por grid-rows: mide el contenido real (max-height fijaba 320px
   a ojo) y no anima una altura arbitraria en cada frame */
.field--conditional { display: grid; grid-template-rows: 0fr; opacity: 0; margin: 0; transition: grid-template-rows .45s ease, opacity .35s ease; }
/* el aire de abajo vive DENTRO del wrapper: colapsa con la fila y no hay que animar margin */
.field--conditional > .field-extras__inner { overflow: hidden; min-height: 0; padding-bottom: 1.3rem; }
.field--conditional.show { grid-template-rows: 1fr; opacity: 1; }
.rsvp__status { margin-top: 1rem; text-align: center; padding: .9rem; border-radius: 10px; font-weight: 500; }
.rsvp__status.ok { background: color-mix(in srgb, var(--accent-2) 18%, transparent); color: var(--accent-2); }
.rsvp__status.err { background: #f8d7da; color: #a12b3a; }

/* ============================================================================
   FOOTER
   ========================================================================== */
.footer { background: var(--bg-alt); text-align: center; padding: 3.5rem 1.4rem 2.5rem; transition: background .5s; }
.footer__monogram { font-family: var(--font-display); font-size: 2rem; color: var(--accent); margin-bottom: .6rem; }
.footer__msg { font-family: var(--font-script); font-size: 2rem; color: var(--text); }
.footer__hashtag { letter-spacing: .1em; color: var(--text-soft); margin-top: .5rem; font-size: .9rem; }
.footer__wa { display: inline-block; margin-top: 1.2rem; color: var(--accent); border-bottom: 1px solid var(--accent); padding-bottom: 2px; font-size: .85rem; }
.footer__credit { margin-top: 2rem; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-soft); opacity: .7; }

/* ============================================================================
   LIGHTBOX
   ========================================================================== */
.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(0,0,0,.9); display: grid; place-items: center; padding: 1.5rem; animation: fade .3s; }
.lightbox img { max-width: 100%; max-height: 88vh; border-radius: 8px; }
.lightbox__close { position: absolute; top: 18px; right: 24px; font-size: 2.4rem; color: #fff; line-height: 1; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* ============================================================================
   SELECTOR DE TEMA (flotante)
   ========================================================================== */
/* Colapsable: antes era una barra fija centrada que tapaba el countdown.
   Ahora es un botón chico en la esquina que despliega el panel al tocarlo. */
.theme-switcher {
  position: fixed; z-index: 150;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  right: 14px; left: auto;
  display: flex; align-items: center; gap: .5rem; flex-direction: row-reverse;
}
.theme-switcher__toggle {
  width: 46px; height: 46px; border-radius: 50%; flex: none;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: transform .3s cubic-bezier(.22,.8,.28,1);
}
.theme-switcher__toggle:hover { transform: scale(1.06); }
.theme-switcher.open .theme-switcher__toggle { transform: rotate(90deg); }
.ts-dot {
  width: 20px; height: 20px; border-radius: 50%;
  background: conic-gradient(#b08d57, #c98b8b, #14151a, #b08d57);
  box-shadow: inset 0 0 0 2px var(--surface);
}
.theme-switcher__panel {
  display: flex; align-items: center; gap: .3rem;
  background: color-mix(in srgb, var(--surface) 94%, transparent); backdrop-filter: blur(10px);
  border: 1px solid var(--line); border-radius: 50px; padding: .4rem .55rem;
  box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateX(12px) scale(.96);
  transform-origin: right center;
  transition: opacity .3s ease, transform .35s cubic-bezier(.22,.8,.28,1), visibility .3s;
}
.theme-switcher.open .theme-switcher__panel { opacity: 1; visibility: visible; transform: none; }
.theme-switcher__label { font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-soft); padding: 0 .25rem; }
.theme-switcher__panel button {
  font-size: .74rem; padding: .5rem .8rem; min-height: 40px; border-radius: 40px;
  color: var(--text-soft); transition: all .25s; white-space: nowrap;
}
.theme-switcher__panel button.active { background: var(--accent); color: #fff; }
/* En pantallas chicas el panel se apila hacia arriba: nunca sobre el contenido */
@media (max-width: 460px) {
  .theme-switcher { flex-direction: column-reverse; align-items: flex-end; }
  .theme-switcher__panel { flex-direction: column; border-radius: 22px; transform-origin: bottom right; }
}

/* ============================================================================
   DESKTOP  ( >= 760px )
   ========================================================================== */
@media (min-width: 760px) {
  .nav { padding: 0 2.5rem; }
  .nav__links { display: flex; gap: 1.8rem; }
  .nav__links a { font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-soft); position: relative; padding: .2rem 0; transition: color .3s; }
  .nav__links a::after { content: ""; position: absolute; left: 0; bottom: -3px; width: 100%; height: 1.5px; background: var(--accent); transform: scaleX(0); transform-origin: left center; transition: transform .3s; }
  .nav__links a:hover { color: var(--accent); }
  .nav__links a:hover::after { transform: scaleX(1); }
  .nav__burger { display: none; }

  .gallery__grid { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
  .events__grid { grid-template-columns: repeat(2, 1fr); }
  .info__grid { grid-template-columns: repeat(4, 1fr); }
  .countdown__box { min-width: 96px; padding: 1.4rem 1rem; }
}