/* 
  PLANTILLA DE INVITACIÓN DE BODA — Valentina & Julián
  Estilo minimalista basado en metodología BEM.
*/

/* --- 1. DISEÑO: Variables y Tokens --- */
:root {
  /* Tipografía */
  --font-serif: "Playfair Display", serif;
  --font-sans: "Lato", sans-serif;

  /* Paleta de Color Global Tintada de Oliva */
  --color-white: #ffffff;
  --color-gold: #a87f3b; /* Oro Oscurecido para mayor legibilidad sobre fondos claros */
  --color-dark: #41533b; /* Deep Olive Green en lugar de Charcoal (#333) */
  --color-text-main: #2d3a29; /* Casi negro con tinte verde oliva */
  --color-text-muted: #535e4d; /* Gris con tinte oliva */
  --color-border: #e7e5e4;
  --color-bg-overlay: rgba(0, 0, 0, 0.45);

  /* Capas de Profundidad (Z-Index) */
  --z-back: -1;
  --z-base: 1;
  --z-elevated: 10;
  --z-floating: 20;
  --z-nav: 100;
  --z-modal: 999;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);

  /* Espaciado base (1 rem = 16px por defecto del navegador) */
  --space-xs: 0.25rem; /* ~  4px */
  --space-sm: 0.5rem; /* ~  8px */
  --space-md: 1rem; /* ~ 16px */
  --space-lg: 1.5rem; /* ~ 24px */
  --space-xl: 2rem; /* ~ 32px */
  --space-2xl: 3rem; /* ~ 48px */

  /* Radios de borde */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- 2. BASE: Reset y Configuración Global --- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem; /* Evita que el navbar tape los títulos al navegar */
  font-size: 100%;
}

/* Reset básico para consistencia entre navegadores */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background: #fffbfa;
  line-height: 1.6;
  position: relative;
}

/* Pseudo-elemento fijo para la textura (evita background-attachment: fixed que bloquea el scroll) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background: url("images/body_bg_olive_subtle.webp") repeat;
  pointer-events: none;
}

/* --- 3. UTILIDADES: Clases Globales --- */

/* Contenedor invisible para centrar contenido respetando márgenes */
.container {
  width: 100%;
  max-width: 75rem; /* 1200px */
  margin: 0 auto;
  padding: 0 var(--space-md);
  position: relative;
}

/* --- 4. COMPONENTES: Tarjetas y Botones --- */



/* --- BOTONES (btn) --- */
.btn {
  padding: 1.2em 2.5em;
  min-height: 44px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  border-radius: 1rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}



/* Modificador: Dark (fondo sólido verde oliva) */
.btn--dark {
  background: var(--color-dark);
  border: 1px solid var(--color-dark);
  color: var(--color-white);
  margin-top: var(--space-md);
  box-shadow: 0 4px 10px rgba(65, 83, 59, 0.2);
}

.btn--dark:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-white);
  box-shadow: 0 6px 15px rgba(168, 127, 59, 0.3);
  transform: translateY(-2px);
}

/* Modificador: Submit (botón de formulario sólido oro) */
.btn--submit {
  width: 100%;
  background-color: var(--color-gold);
  color: var(--color-white);
  border: none;
  padding: 1em;
  font-size: 1rem;
  letter-spacing: 0.1em;
  transition: background-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
  box-shadow: 0 4px 10px rgba(168, 127, 59, 0.2);
}

.btn--submit:hover {
  background-color: var(--color-dark);
  box-shadow: 0 6px 15px rgba(65, 83, 59, 0.3);
  transform: translateY(-2px);
}

/* --- 5. TEXTO: Encabezados de Sección --- */
.section-header {
  text-align: center;
  margin: 0 auto var(--space-2xl);
  position: relative;
  max-width: 45rem;
  text-wrap: balance;
}

.section-header__subtitle {
  font-family: var(--font-serif);
  color: var(--color-gold);
  font-style: italic;
  font-size: 1.5rem;
  margin: 0 0 0.5em 0;
  line-height: 1;
}

.section-header__title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: var(--color-dark);
  line-height: 1.1;
  margin: 0;
  text-transform: capitalize;
}

/* --- 6. NAVBAR: Menú de navegación flotante --- */
.navbar {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translate(-50%, -20px);
  width: 95%;
  max-width: 1200px; /* Incrementado para que sea más flexible en pantallas grandes */
  background-color: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(168, 127, 59, 0.2);
  border-radius: 100px; /* Totalmente redondeado */
  box-shadow: 
    0 10px 25px rgba(0, 0, 0, 0.05),
    0 4px 12px rgba(168, 127, 59, 0.1); /* Brillo dorado sutil */
  z-index: var(--z-nav);
  padding: 0.6rem 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.navbar.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.navbar__container {
  display: flex;
  justify-content: space-between; /* Space logo, menu, and language toggle */
  align-items: center;
  width: 100%;
}

/* Elemento: Logo */
.navbar__logo {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-text-main);
  text-decoration: none;
  display: block; /* Siempre visible */
  z-index: 10;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Elemento: Botón Toggle (Hamburguesa) */
.navbar__toggle {
  display: none; /* Oculto en escritorio */
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 10;
}

.navbar__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Animación Hamburguesa -> X */
.navbar.is-open .navbar__toggle span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.navbar.is-open .navbar__toggle span:nth-child(2) {
  opacity: 0;
}
.navbar.is-open .navbar__toggle span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Elemento: Menú */
.navbar__menu {
  display: flex;
  gap: 1.5rem; /* Gap moderado y equilibrado */
  list-style: none;
  margin: 0 auto; /* Empuja el menú al centro */
  padding: 0;
  flex-wrap: wrap;
  justify-content: center;
}

/* Elemento: Enlace */
.navbar__link {
  display: inline-block;
  text-decoration: none;
  color: var(--color-text-muted);
  font-family: var(--font-sans); /* Volvemos a Sans para claridad */
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.6em 1em;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  transition: color var(--transition-base), background var(--transition-base);
  position: relative;
  border-radius: 50px;
}

.navbar__link:hover {
  color: var(--color-gold);
  background: rgba(168, 127, 59, 0.05);
}

.navbar__link:hover::after {
  width: 40%;
}

/* Elemento: Botón de Idioma */
.navbar__lang {
  background: none;
  border: none;
  padding: 0.6em 1em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  border-radius: 0;
}

.navbar__lang::before {
  display: none; /* remove hover line */
}

.navbar__lang::after {
  display: none; /* remove hover line */
}

.navbar__lang:hover {
  background: transparent;
}


/* --- 7. HERO: Sección de portada principal --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 4rem; /* Despeja el navbar superior fijo (deja ese espacio libre arriba) */
  color: var(--color-white);
  overflow: hidden;
}

/* Elemento: Imagen de fondo con gradiente y desenfoque */
.hero__background {
  position: absolute;
  inset: 0;
  background: url("images/hero_wedding_olive.webp") center / cover;
  mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 85%, transparent 100%);
  filter: brightness(0.6);
  z-index: var(--z-back);
}

/* Elemento: Contenedor del contenido */
.hero__content {
  text-align: center;
  z-index: var(--z-elevated);
  padding: 1.25em;
  padding-bottom: 6rem;
  letter-spacing: 0.5rem;
}

/* Elemento: Texto pequeño sobre el título */
.hero__eyebrow {
  font-size: 1.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.5em;
}

/* Elemento: Título principal H1 */
.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 8vw, 6rem);
  margin: 0 0 var(--space-lg);
}

/* Elemento: Línea divisora decorativa */
.hero__divider {
  width: 6.25rem;
  height: 4px;
  background: var(--color-white);
  margin: 0 auto var(--space-xl);
}

/* Elemento: Bloque de detalles del evento */
.hero__details {
  line-height: 1.6;
}

/* Elemento: Fecha */
.hero__date {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 5vw, 3.5rem);
  color: var(--color-gold);
  margin: 0;
}

/* Elemento: Instruccion bajo la fecha */
.hero__instruction {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-style: italic;
  margin-top: 1em;
  font-weight: 300;
}

/* Elemento: Flecha de scroll */
.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-md); /* Mantenido anclado completamente al fondo */
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  color: var(--color-white);
}

/* --- 8. COUNTDOWN: Contador regresivo para la boda --- */
.countdown {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.countdown__item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Elemento: Número grande */
.countdown__number {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 5vw, 3rem);
  line-height: 1;
}

/* Elemento: Etiqueta (Días, Horas…) */
.countdown__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25em;
}

/* --- 9. ALBUM: Slider de fotos interactivo --- */
.album {
  padding: 2rem 0;
  background-color: transparent;
}

.album__slider {
  width: 100%;
  padding: var(--space-md) 0;
  position: relative;
}

/* Botones del Carrusel */
.album__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: var(--z-floating);
  color: var(--color-dark);
  box-shadow: var(--shadow-md);
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}
.album__btn:hover {
  background: var(--color-gold);
  color: var(--color-white);
  border-color: var(--color-gold);
}
.album__btn--prev { left: 1rem; }
.album__btn--next { right: 1rem; }

/* Elemento: Pista (grid de fotos) */
.album__track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  gap: var(--space-xl);
  width: 100%;
  padding-bottom: 2rem;
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}
.album__track::-webkit-scrollbar {
  display: none;
}

/* --- 10. POLAROID: Diseño de fotos estilo vintage --- */
.polaroid {
  flex: 0 0 16.25rem; /* ~260px */
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform var(--transition-bounce);
  scroll-snap-align: center;
}

/* Elemento: Marco físico de la polaroid */
.polaroid__frame {
  background: var(--color-white);
  padding: 0.75rem 0.75rem 1rem; /* Borde y espacio inferior para el texto */
  box-shadow: var(--shadow-md);
  border-radius: 3px;

  transition:
    transform var(--transition-bounce),
    box-shadow var(--transition-base);
}

/* Rotaciones naturales (efecto desordenado) */
.polaroid:nth-child(odd) .polaroid__frame {
  transform: rotate(-2deg);
}
.polaroid:nth-child(even) .polaroid__frame {
  transform: rotate(1.5deg);
}
.polaroid:nth-child(3n) .polaroid__frame {
  transform: rotate(0.5deg) translateY(-5px);
}
.polaroid:nth-child(4n) .polaroid__frame {
  transform: rotate(-1.5deg) translateY(4px);
}

/* Hover: levanta y endereza */
.polaroid:hover .polaroid__frame {
  transform: scale(1.05) rotate(0deg) !important;
  box-shadow:
    0 1.25rem 1.5625rem -0.3125rem rgba(0, 0, 0, 0.1),
    0 0.625rem 0.625rem -0.3125rem rgba(0, 0, 0, 0.04);
  z-index: var(--z-elevated);
}

/* Elemento: Imagen de la polaroid */
.polaroid__img {
  width: 100%;
  aspect-ratio: 4 / 5; /* Forzar el mismo tamaño y proporción para todas */
  object-fit: cover;
  display: block;
  object-position: center 20%;
}

/* Elemento: Texto al pie de la polaroid */
.polaroid__caption {
  margin: 0.75rem 0 0 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 700;
  color: var(--color-dark);
  font-size: 1.1rem;
  text-align: center;
}

/* --- 11. FAQ: Acordeón de Detalles --- */
.details {
  padding: 4rem 0;
  background-color: transparent;
}

.faq {
  max-width: 45rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq__item {
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(168, 127, 59, 0.15);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.faq__item:hover {
  border-color: var(--color-gold);
  background: rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(168, 127, 59, 0.08);
}

.faq__item.active {
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--color-gold);
}

.faq__question {
  width: 100%;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-dark);
}

.faq__icon {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--color-gold);
  flex-shrink: 0;
}

.faq__item.active .faq__icon {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(168, 127, 59, 0.02);
}

.faq__answer-content {
  padding: 0 2rem 2rem;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.faq__answer-content strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--color-gold);
}

.faq__small {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-top: 0.75rem;
  font-style: italic;
}


/* --- 12. UBICACIONES: Google Maps y direcciones --- */
.locations {
  padding: 2rem 0;
  background-color: transparent;
}

.location-card {
  max-width: 40rem;
  margin: 0 auto;
  text-align: center;
  overflow: hidden;
}

.location-card__header {
  padding: 0 var(--space-md) var(--space-xl);
}

.location-card__title {
  font-family: var(--font-serif);
  color: var(--color-dark);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  margin: 0 0 0.5rem 0;
  font-weight: 400;
}

.location-card__address {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-lg) 0;
}

.location-card__btn {
  display: inline-block;
}

.location-card__map-container {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-top: 1px solid rgba(197, 160, 89, 0.2);
}

.location-card__iframe {
  width: 100%;
  height: 100%;
  display: block;

}

/* Micro-animación para los mapas */
.map-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.map-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}


/* --- 13. RSVP: Sección de confirmación de asistencia --- */
.rsvp {
  padding: 3rem 0;
  background-color: transparent;
}

.rsvp__card {
  max-width: 40rem;
  margin: 0 auto;
  text-align: center;
  /* Sobre transparente que deja ver las rosas del body */
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(197, 160, 89, 0.3);
  border-radius: var(--radius-lg);
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.06),
    0 2px 8px rgba(197, 160, 89, 0.06);
  padding: var(--space-2xl) var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.rsvp__card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* Acento dorado superior */
.rsvp__card-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.rsvp__card-icon {
  color: var(--color-gold);
  margin-bottom: var(--space-md);
  line-height: 1;
}

.rsvp__card-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  color: var(--color-gold);
  margin: 0 0 var(--space-lg) 0;
}

.rsvp__card-divider {
  width: 4rem;
  height: 1px;
  background-color: var(--color-gold);
  margin: 0 auto var(--space-lg) auto;
  opacity: 0.6;
}

.rsvp__card-text {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

.rsvp__card-btn {
  padding: 1.1em 3em;
}

/* --- 14. MODAL: Ventanas emergentes --- */
.modal {
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(5px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

/* Modificador: Modal visible */
.modal.active {
  opacity: 1;
  pointer-events: auto;
}

/* Elemento: Caja de contenido */
.modal__content {
  width: 90%;
  max-width: 31.25rem; /* ~500px */
  padding: var(--space-2xl);
  position: relative;
  transform: translateY(1.875rem);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  max-height: 90vh;
  overflow-y: auto;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.15);
}

.modal.active .modal__content {
  transform: translateY(0);
}

/* Elemento: Botón de cierre */
.modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  font-size: 2rem;
  color: #999;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: color var(--transition-fast);
}

.modal__close:hover,
.modal__close:focus {
  color: var(--color-dark);
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Elemento: Encabezado del modal */
.modal__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

/* Elemento: Título del modal */
.modal__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 5vw, 2rem);
  margin-bottom: 0.25em;
}

/* Elemento: Subtítulo del modal */
.modal__subtitle {
  color: var(--color-gold);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  margin: 0;
}

.modal__deadline {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
}

/* --- 15. FORM: Estilos de formulario RSVP --- */

/* Elemento: Grupo de campo */
.form__group {
  margin-bottom: var(--space-lg);
  text-align: left;
  border: none; /* Para el fieldset */
  padding: 0;
}

/* Elemento: Etiqueta */
.form__label {
  display: block;
  margin-bottom: 0.5em;
  font-weight: 700;
  font-size: 0.95rem;
}

/* Elemento: Input, Select y Textarea compartidos */
.form__input {
  width: 100%;
  padding: 0.75em;
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.65);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form__input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.8);
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.2);
}

/* Modificador: Input Inválido */
.form__input.is-invalid {
  border-color: #b91c1c;
  background-color: #fef2f2;
}

.form__input.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(185, 28, 28, 0.2);
}

/* Elemento: Mensaje de error tipo texto de apoyo */
.form__error {
  color: #b91c1c;
  font-size: 0.85rem;
  margin-top: 0.4em;
  display: none; /* Oculto por defecto */
  animation: fadeInError 0.3s ease;
}

.form__error.active {
  display: flex;
  align-items: center;
  gap: 0.3em;
}

@keyframes fadeInError {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Elemento: Grupo de radios */
.form__radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

/* Elemento: Opción de radio */
.form__radio-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font-size: 0.95rem;
}

/* --- 16. FORM EXTRAS: Divisor y header de canción dentro del modal --- */
.form__divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  margin: var(--space-md) 0;
  opacity: 0.5;
}

.form__song-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  margin-bottom: 0.25em;
}

.form__song-subtitle {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md) 0;
}

/* --- 17. FOOTER: Pie de página y cierre --- */
.footer {
  background: transparent;
  color: var(--color-dark);
  text-align: center;
  padding: 4rem 1rem 3rem; /* Reducido top padding para quitar espacio muerto */
  position: relative;
  border-top: 2px solid rgba(197, 160, 89, 0.15); /* Separador suave desde la sección anterior */
}

.footer__container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer__eyebrow {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin: 0 0 1rem 0;
}

.footer__title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4rem); /* Reducido a proporciones elegantes */
  margin: 0;
  color: var(--color-dark);
  letter-spacing: 0.05em;
  line-height: 1;
  font-weight: 400;
}

.footer__title span {
  font-style: italic;
  color: var(--color-gold);
  font-weight: 300;
}

.footer__date {
  font-family: var(--font-sans);
  letter-spacing: 0.3em;
  font-size: 1.1rem;
  margin: 2.5rem 0 3rem 0;
  color: var(--color-dark);
}

/* Separador elegante basado en 3 pequeños puntos dorados */
.footer__separator {
  width: 3px;
  height: 3px;
  background-color: var(--color-gold);
  border-radius: 50%;
  margin: 0 auto 3rem auto;
  box-shadow:
    -15px 0 0 var(--color-gold),
    15px 0 0 var(--color-gold);
}

.footer__text {
  margin: 0;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer__text--small {
  margin-top: 0.8rem;
  opacity: 0.6;
  letter-spacing: 0.1em;
}

/* --- 17. ANIMACIONES: Keyframes y helpers --- */

/* Spinner de carga para botón */
.spinner {
  width: 1.2rem;
  height: 1.2rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s infinite linear;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Entrada suave desde abajo (Unificada) */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 2rem, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* Rebote de la flecha de scroll */
@keyframes bounce {
  0%,
  100% {
    transform: translate(-50%, -25%);
  }
  50% {
    transform: translate(-50%, 0);
  }
}

/* Clase helper: Aparece con retraso estándar */
.fade-in {
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
  animation-delay: 0.4s;
}

/* Clase helper: Aparece antes (para cejas/eyebrows) */
.bounce-in {
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
  animation-delay: 0.2s;
}

/* --- 18. MEDIA: Móvil (max-width: 600px) --- */
@media (max-width: 600px) {
  /* --- Navbar --- */
  .navbar {
    padding: 0.6rem 1.2rem;
    max-width: 95%;
  }

  .navbar__toggle {
    display: flex; /* Mostrar en móvil */
  }

  .navbar__menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 2rem 0;
    gap: 1rem;
    border-radius: 20px;
    margin-top: 10px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    border: 1px solid rgba(168, 127, 59, 0.1);
  }

  .navbar.is-open .navbar__menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .navbar__link {
    font-size: 0.9rem;
    padding: 1rem;
    width: 100%;
    text-align: center;
  }

  .navbar__lang {
    font-size: 0.75rem;
    margin-left: 0;
  }

  /* --- Hero --- */
  .hero {
    height: auto;
    min-height: 100vh;
    padding: 6rem 0 2.5rem;
  }

  .hero__content {
    padding: 0.9375em;
    padding-bottom: 4.5rem;
    letter-spacing: 0.1rem;
  }

  .hero__title {
    line-height: 1.1;
    margin-bottom: var(--space-md);
  }

  .hero__eyebrow {
    font-size: 1rem;
    letter-spacing: 0.3em;
  }

  /* --- Countdown --- */
  .countdown {
    gap: 0.5em;
    margin-top: var(--space-lg);
  }

  .countdown__label {
    font-size: 0.75rem;
  }

  /* --- Contenedor --- */
  .container {
    padding: 0 var(--space-md);
  }

  .polaroid {
    flex: 0 0 14rem;
  }

  /* Ocultar botones prev/next en móvil para usar swipe natural */
  .album__btn {
    display: none;
  }

  /* --- Timeline --- */
  .timeline__card {
    margin-left: 2.5rem;
  }

  /* --- Modal --- */
  .modal__content {
    padding: var(--space-lg);
    width: 95%;
  }

  /* --- Info Cards: destacar textos importantes en móvil --- */
  .timeline__description,
  .timeline__info-group p {
    font-size: 0.85rem;
    padding-left: 0.85rem;
    border-left: 3px solid var(--color-gold);
    color: var(--color-text-main);
    margin-top: 0.4rem;
    line-height: 1.55;
  }

  /* Fecha más prominente en móvil */
  .hero__date {
    font-size: clamp(2rem, 10vw, 3rem);
    color: var(--color-gold);
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
    letter-spacing: 0.06em;
  }
}

/* --- 19. MEDIA: Pantallas pequeñas (max-width: 360px) --- */
@media (max-width: 360px) {
  /* --- Navbar --- */
  .navbar__container {
    padding: 0;
  }

  .navbar__logo {
    font-size: 1.2rem;
  }

  .navbar__menu {
    gap: 0.5rem;
  }

  .navbar__link {
    font-size: 0.8rem;
    padding: 0.8rem;
  }

  /* --- Hero --- */
  .hero {
    padding: 5rem 0 2rem;
  }

  .hero__eyebrow {
    font-size: 0.85rem;
    letter-spacing: 0.2em;
  }

  .hero__title {
    font-size: clamp(2rem, 12vw, 3rem);
  }

  .hero__date {
    font-size: clamp(1rem, 5vw, 1.6rem);
  }


  /* --- Countdown --- */
  .countdown {
    gap: 0.3em;
  }

  .countdown__number {
    font-size: clamp(1.5rem, 8vw, 2.5rem);
  }

  .countdown__label {
    font-size: 0.65rem;
  }

  /* --- Container --- */
  .container {
    padding: 0 var(--space-sm);
  }

  /* --- Section Headers --- */
  .section-header__title {
    font-size: clamp(1.4rem, 7vw, 2rem);
  }

  .section-header__subtitle {
    font-size: 0.8rem;
  }

  /* --- Álbum --- */
  .polaroid {
    flex: 0 0 12rem;
  }

  /* --- Timeline --- */
  .timeline__time {
    font-size: 0.7rem;
    min-width: 3rem;
  }

  .timeline__event-name {
    font-size: 0.95rem;
  }

  .timeline__place,
  .timeline__description {
    font-size: 0.8rem;
  }

  .timeline__info-title {
    font-size: 0.95rem;
  }

  .timeline__card p {
    font-size: 0.8rem;
  }

  /* --- Location --- */
  .location-card__title {
    font-size: 1.1rem;
  }

  .location-card__address {
    font-size: 0.8rem;
  }

  .location-card__btn {
    font-size: 0.75rem;
    padding: 0.7em 1.5em;
  }

  /* --- RSVP Card --- */
  .rsvp__card {
    padding: var(--space-lg) var(--space-md);
  }

  .rsvp__card-icon {
    font-size: 2rem;
  }

  .rsvp__card-subtitle {
    font-size: 0.95rem;
  }

  .rsvp__card-text {
    font-size: 0.85rem;
  }

  .rsvp__card-btn {
    padding: 0.9em 2em;
    font-size: 0.75rem;
  }

  /* --- Timeline --- */
  .timeline__card {
    margin-left: 2rem;
  }

  /* --- Modal --- */
  .modal__content {
    padding: var(--space-md);
    width: 96%;
  }

  .modal__title {
    font-size: 1.3rem;
  }

  .modal__subtitle {
    font-size: 0.7rem;
  }

  .modal__deadline {
    font-size: 0.75rem;
  }

  .modal__close {
    top: var(--space-sm);
    right: var(--space-sm);
    font-size: 1.6rem;
  }

  /* --- Form --- */
  .form__label {
    font-size: 0.8rem;
  }

  .form__input {
    font-size: 0.85rem;
    padding: 0.6em 0.8em;
  }

  .btn--submit {
    font-size: 0.8rem;
    padding: 0.9em 1.5em;
  }

  /* --- Footer --- */
  .footer__title {
    font-size: clamp(1.8rem, 10vw, 3rem);
  }

  .footer__eyebrow {
    font-size: 0.7rem;
  }

  .footer__date {
    font-size: 0.8rem;
  }

  .footer__text {
    font-size: 0.7rem;
  }
}

/* --- 20. MEDIA: Escritorio (min-width: 768px) --- */
@media (min-width: 768px) {
  /* --- Global --- */
  body {
    letter-spacing: 0.1em;
  }

  /* --- Contenedor --- */
  .container {
    padding: 0 var(--space-2xl);
  }

  /* --- Navbar --- */
  .navbar__container {
    justify-content: space-between;
  }

  .navbar__logo {
    display: block;
  }

  .navbar__menu {
    gap: var(--space-xl);
  }

  /* --- Card --- */
  .card {
    padding: var(--space-2xl);
  }

  /* --- Timeline: layout zig-zag en escritorio --- */
  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .timeline__row {
    justify-content: center;
    width: 100%;
  }

  .timeline__dot {
    left: 50%;
    top: var(--space-xl);
    transform: translateX(-50%);
  }

  .timeline__time, 
  .timeline__card {
    width: 50%;
    flex: none;
    margin: 0;
  }

  .timeline__time {
    display: block;
  }

  /* Filas impares: Lado izquierdo (Tarjeta) y Derecho (Hora) */
  .timeline__row:nth-child(odd) {
    flex-direction: row-reverse;
  }

  .timeline__row:nth-child(odd) .timeline__card {
    text-align: right;
    padding: 0 4rem 1.5rem 1.5rem; /* Separación de la línea central */
  }

  .timeline__row:nth-child(odd) .timeline__icon-header {
    flex-direction: row-reverse;
  }

  .timeline__row:nth-child(odd) .timeline__time {
    text-align: left;
    padding: 1.5rem 1.5rem 0 4rem; /* Separación de la línea central */
  }

  /* Filas pares: Lado derecho (Tarjeta) y Izquierdo (Hora) */
  .timeline__row:nth-child(even) {
    flex-direction: row;
  }

  .timeline__row:nth-child(even) .timeline__card {
    text-align: left;
    padding: 0 1.5rem 1.5rem 4rem; /* Separación de la línea central */
  }

  .timeline__row:nth-child(even) .timeline__time {
    text-align: right;
    padding: 1.5rem 4rem 0 1.5rem; /* Separación de la línea central */
  }

}

/* ==========================================================================
   MANTENIMIENTO (Temporal)
   ========================================================================== */
#maintenance-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.maintenance__content {
  max-width: 500px;
  animation: maintenanceFadeIn 0.8s ease-out;
}

.maintenance__icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 1.5rem;
}

.maintenance__title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--color-dark);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.maintenance__text {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.maintenance__divider {
  width: 50px;
  height: 2px;
  background: var(--color-gold);
  margin: 0 auto 1.5rem;
}

.maintenance__signature {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-gold);
  font-style: italic;
}

@keyframes maintenanceFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}