/* ================================================================
   LA VESPA HOSTEL — Funcionalidades Extendidas
   v1.0 · Abril 2026

   F1 · Sello Digital de Entrada
   F2 · Animación de Amanecer en el Hero
   F3 · Muro de Peregrinos
   F4 · Detector de Idioma con Bienvenida
   F5 · Bandera del País del Visitante
   F6 · Modo Peregrino Nocturno
   F7 · Barra de Progreso de Lectura
   F8 · Compartir Etapa en Redes
================================================================ */

/* ============================================================
   F7 · BARRA DE PROGRESO DE LECTURA
   ============================================================ */
#lv-read-bar {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  z-index: 9993;
  pointer-events: none;
  background: transparent;
}
#lv-read-bar-fill {
  height: 100%;
  background: var(--gold, #C5853A);
  transform: scaleX(0);
  transform-origin: left;
  will-change: transform;
  /* sin transition — se actualiza cada scroll para mayor fidelidad */
}

/* ============================================================
   F4 · TOAST DE BIENVENIDA (detector de idioma)
   ============================================================ */
#lv-welcome-toast {
  position: fixed;
  top: 5.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(-140%);
  z-index: 9992;
  background: rgba(197, 133, 58, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: .7rem 2rem;
  border: 1px solid #C5853A;
  color: #0C0A08;
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 11.5px;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.6s;
}
#lv-welcome-toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ============================================================
   F6 · MODO PEREGRINO NOCTURNO — slider deslizable en el hero
   Izquierda = noche · Derecha = día
   Opacity baja en reposo → sutil, no rompe estética.
   ============================================================ */
#lv-mode-slider {
  position: absolute;
  top: 10rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: .65rem;
  opacity: .28;
  transition: opacity .5s ease;
  user-select: none;
  touch-action: none;
  cursor: pointer;
}
#lv-mode-slider:hover,
#lv-mode-slider:focus-within {
  opacity: .75;
}
.lv-ms-label {
  font-size: 9px;
  line-height: 1;
  pointer-events: none;
}
.lv-ms-track {
  position: relative;
  width: 72px;
  height: 1px;
  background: rgba(197, 133, 58, .35);
  border-radius: 1px;
}
.lv-ms-thumb {
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translate(-50%, -50%);
  width: 7px;
  height: 7px;
  background: rgba(197, 133, 58, .85);
  border-radius: 50%;
  cursor: grab;
  transition: left .38s cubic-bezier(.34, 1.56, .64, 1),
              background .35s,
              box-shadow .35s;
}
.lv-ms-thumb:active { cursor: grabbing; }
body.night-mode .lv-ms-thumb {
  background: rgba(200, 218, 255, .9);
  box-shadow: 0 0 6px rgba(200, 218, 255, .5);
}
@media (max-width: 880px) {
  #lv-mode-slider {
    top: 7.5rem;
  }
}

/* Canvas de estrellas: fixed, blend screen → visible sobre fondos oscuros */
#lv-stars-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;               /* sobre secciones oscuras */
  opacity: 0;
  mix-blend-mode: screen;   /* invisible en blanco, visible en oscuro */
  transition: opacity 0.9s ease;
}

/* Modo nocturno activo */
body.night-mode {
  --bg:        #000000;
  --bg2:       #040404;
  --surface:   #0A0A0A;
  --surface2:  #0E0E0E;
  --cream:     #FFFFFF;
  --cream-dim: #E8E8E8;
  --mid:       #BBBBBB;
  --muted:     #555555;
}
body.night-mode #lv-stars-canvas {
  opacity: 1;
}

/* Fotos e imágenes flotan SOBRE el canvas de estrellas (z-index:2) */
body.night-mode .g-panel,
body.night-mode .g-panel img,
body.night-mode .gallery,
body.night-mode img:not(#sello-canvas) {
  position: relative;
  z-index: 3;
}

/* Transición suave al activar / desactivar el modo */
body.night-mode-transition,
body.night-mode-transition .g-panel img,
body.night-mode-transition section,
body.night-mode-transition #nav,
body.night-mode-transition .peregrino-card,
body.night-mode-transition .svc-item {
  transition:
    background-color 0.5s ease,
    background 0.5s ease,
    color 0.5s ease,
    border-color 0.5s ease !important;
}

/* ============================================================
   F2 · OVERLAY DE AMANECER EN EL HERO
   Posicionado entre hero-canvas y vespa-canvas (DOM order),
   mix-blend-mode: screen para que mezcle con el fondo oscuro
   ============================================================ */
#lv-dawn-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  mix-blend-mode: screen;
  /* z-index NO definido → sigue DOM order: sobre hero-canvas,
     bajo vespa-canvas (que tiene z-index:1) */
}

/* ============================================================
   F3 · MURO DE PEREGRINOS
   ============================================================ */
#peregrinos {
  background: var(--bg2, #141210);
  padding: 8rem 0 7rem;
  overflow: hidden;
}

.peregrinos-head {
  text-align: center;
  margin-bottom: 4.5rem;
  padding: 0 3.5rem;
}
.peregrinos-label {
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 10px;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--gold, #C5853A);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}
.peregrinos-label::before,
.peregrinos-label::after {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--gold, #C5853A);
}
.peregrinos-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 300;
  line-height: .93;
  color: var(--cream, #EDE0C3);
  letter-spacing: -.02em;
}
.peregrinos-title em {
  font-style: italic;
  color: var(--gold, #C5853A);
}
.peregrinos-sub {
  color: var(--mid, #8A7A68);
  font-size: 14px;
  margin-top: 1.2rem;
  font-family: 'DM Sans', -apple-system, sans-serif;
  letter-spacing: .5px;
}

/* Carrusel con fade lateral */
.peregrinos-track-wrap {
  position: relative;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}
.peregrinos-track-wrap::before,
.peregrinos-track-wrap::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 10rem;
  z-index: 2;
  pointer-events: none;
}
.peregrinos-track-wrap::before {
  left: 0;
  background: linear-gradient(to right, var(--bg2, #141210), transparent);
}
.peregrinos-track-wrap::after {
  right: 0;
  background: linear-gradient(to left, var(--bg2, #141210), transparent);
}

.peregrinos-track {
  display: flex;
  gap: 1.5rem;
  padding: 1.2rem 5rem;
  width: max-content;
  animation: pScroll 50s linear infinite;
  will-change: transform;
}
.peregrinos-track:hover {
  animation-play-state: paused;
}
@keyframes pScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Tarjeta */
.peregrino-card {
  flex-shrink: 0;
  width: 270px;
  background: var(--surface, #1A1714);
  border: 1px solid rgba(197, 133, 58, .16);
  padding: 2rem 1.8rem 1.8rem;
  position: relative;
  overflow: hidden;
  transition: border-color .4s, box-shadow .4s;
}
.peregrino-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold, #C5853A), transparent);
  opacity: .5;
}
.peregrino-card:hover {
  border-color: rgba(197, 133, 58, .38);
  box-shadow: 0 0 28px rgba(197, 133, 58, .06);
}
.peregrino-sello {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(197, 133, 58, .28);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-bottom: 1.2rem;
  color: var(--gold, #C5853A);
}
.peregrino-frase {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 17.5px;
  font-style: italic;
  font-weight: 300;
  color: var(--cream, #EDE0C3);
  line-height: 1.5;
  margin-bottom: 1.6rem;
}
.peregrino-autor {
  display: flex;
  align-items: center;
  gap: .75rem;
  border-top: 1px solid rgba(255, 255, 255, .06);
  padding-top: 1.1rem;
}
.peregrino-flag {
  font-size: 18px;
  line-height: 1;
}
.peregrino-info {
  display: flex;
  flex-direction: column;
  gap: .1rem;
}
.peregrino-nombre {
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mid, #8A7A68);
}

/* Móvil: stack vertical */
@media (max-width: 640px) {
  #peregrinos { padding: 5rem 0 4rem; }
  .peregrinos-head { padding: 0 1.5rem; }
  .peregrinos-track-wrap::before,
  .peregrinos-track-wrap::after { display: none; }
  .peregrinos-track {
    flex-direction: column;
    animation: none;
    width: auto;
    padding: 0 1.5rem;
    gap: 1rem;
  }
  .peregrino-card { width: 100%; }
}

/* ============================================================
   F1 · SELLO DIGITAL DE ENTRADA — modal
   ============================================================ */
#lv-sello-overlay {
  position: fixed;
  inset: 0;
  z-index: 9991;
  background: rgba(12, 10, 8, .9);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.45s;
}
#lv-sello-overlay.visible {
  opacity: 1;
  pointer-events: all;
}

.sello-modal-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  transform: scale(0.82) translateY(20px);
  opacity: 0;
  transition: transform 0.65s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.5s;
}
#lv-sello-overlay.visible .sello-modal-inner {
  transform: scale(1) translateY(0);
  opacity: 1;
}

#sello-canvas {
  border-radius: 50%;
  display: block;
  max-width: min(360px, 80vw);
  max-height: min(360px, 80vw);
  box-shadow:
    0 0 60px rgba(197, 133, 58, .22),
    0 0 120px rgba(197, 133, 58, .07);
}

.sello-label {
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 10px;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--gold, #C5853A);
  text-align: center;
}

.sello-btns {
  display: flex;
  gap: .9rem;
  flex-wrap: wrap;
  justify-content: center;
}
.sello-btn {
  padding: .7rem 1.9rem;
  border: 1px solid rgba(197, 133, 58, .55);
  background: none;
  color: var(--cream, #EDE0C3);
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 10px;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  cursor: none !important;
  position: relative;
  overflow: hidden;
  transition: color .3s, border-color .3s;
}
.sello-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold, #C5853A);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s cubic-bezier(.77, 0, .18, 1);
  z-index: -1;
}
.sello-btn:hover {
  color: #0C0A08;
  border-color: var(--gold, #C5853A);
}
.sello-btn:hover::before {
  transform: scaleX(1);
}
.sello-btn-close {
  border-color: rgba(255, 255, 255, .12);
  color: var(--mid, #8A7A68);
}
.sello-btn-close::before { display: none; }
.sello-btn-close:hover {
  color: var(--cream, #EDE0C3);
  border-color: rgba(255, 255, 255, .3);
  background: none;
}

/* ============================================================
   F8 · COMPARTIR ETAPA
   ============================================================ */
.share-etapa-wrap {
  margin-top: 2.8rem;
}
.share-etapa-btn {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  padding: .85rem 2.2rem;
  border: 1px solid rgba(197, 133, 58, .4);
  background: none;
  color: var(--cream-dim, #C4B89A);
  font-family: 'DM Sans', -apple-system, sans-serif;
  font-size: 10.5px;
  letter-spacing: 4px;
  text-transform: uppercase;
  cursor: none !important;
  position: relative;
  overflow: hidden;
  transition: color .3s, border-color .3s;
}
.share-etapa-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold, #C5853A);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s cubic-bezier(.77, 0, .18, 1);
  z-index: -1;
}
.share-etapa-btn:hover {
  color: #0C0A08;
  border-color: var(--gold, #C5853A);
}
.share-etapa-btn:hover::before {
  transform: scaleX(1);
}
.share-etapa-btn:disabled {
  opacity: .5;
  pointer-events: none;
}

/* ============================================================
   AJUSTES RESPONSIVE GENERALES
   ============================================================ */
@media (max-width: 880px) {
  #lv-welcome-toast {
    font-size: 10px;
    padding: .6rem 1.3rem;
    letter-spacing: 2.5px;
    top: 4.5rem;
  }
  .share-etapa-wrap {
    text-align: center;
  }
  /* Sello: tamaño reducido en móvil */
  #sello-canvas {
    max-width: min(280px, 85vw);
    max-height: min(280px, 85vw);
  }

  /* menú móvil por encima del selector de idioma */
  .nav-links.open {
    z-index: 150 !important;
  }
}
@media (min-width: 881px) {
  .lv-lang { flex-shrink: 0; }
}