/*!
 * Galería Fotográfica — ExpoRetail Iberoamérica
 * JUN 2026 · evomeet.es
 */

/* BREAKPOINTS
   sm  576px  md  768px  lg  992px  xl  1200px  xxl  1400px
---------------------------------------------------------------- */

:root {
  /* Colores corporativos Exporetail */
  --green:           #4ed27c;
  --green-darken:    #38b864;

  /* Fondos */
  --bg:              #0b0f14;
  --bg-card:         #0e1318;

  /* Menú */
  --menu-bg:         rgba(0,0,0,.92);
  --menu-border:     rgba(255,255,255,.10);
  --menu-shadow:     rgba(0,0,0,.35);

  /* Texto */
  --text:            rgba(255,255,255,.92);
  --muted:           rgba(255,255,255,.60);

  /* Watermark (server-side via PHP) */
  --watermark-url:   url("../img/logo-Exporetail.svg");
  --watermark-width: 80px;
  --watermark-pad:   20px;
  --watermark-opacity: .80;
}

@media (prefers-reduced-motion: no-preference) {
  :root { scroll-behavior: smooth; }
}


/* ═══════════════════════════════════════════════════════════════
   BASE
═══════════════════════════════════════════════════════════════ */

html { font-size: 14px; }

body {
  margin: 0;
  padding: 0;
  padding-top: 44px; /* altura del nav fixed */
  font-family: 'neue-haas-grotesk-display', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  background-color: var(--bg);
  color: #fff;
  scroll-padding-top: 52px;
}

.f-light   { font-family: 'neue-haas-grotesk-display', sans-serif !important; font-weight: 400; }
.f-regular { font-family: 'neue-haas-grotesk-display', sans-serif !important; font-weight: 500; }
.f-bold    { font-family: 'neue-haas-grotesk-display', sans-serif !important; font-weight: 600; }
.f-black   { font-family: 'neue-haas-grotesk-display', sans-serif !important; font-weight: 700; }

strong { font-family: 'neue-haas-grotesk-display', sans-serif; font-weight: 700; }
h1,h2,h3,h4,h5,h6 { font-weight: 400; }
p,h1,h2,h3,h4,h5,h6 { cursor: default; }

.toWhite { filter: brightness(0) invert(1); }
.toBlack { filter: brightness(0); }
.hide    { display: none !important; }


/* ═══════════════════════════════════════════════════════════════
   STICKY NAV  #menu
═══════════════════════════════════════════════════════════════ */

/* Nav fijo en pantalla en todo momento — transparente sobre el header */
#menu {
  background-color: transparent;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  border-bottom: 1px solid transparent;
  transition: background-color .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
/* Fondo translúcido al hacer scroll (fuera del header) */
#menu.scrolled {
  background-color: transparent;
  border-bottom-color: transparent;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  /* Blur desvanecido hacia el borde inferior (85%→100%) */
  -webkit-mask-image: linear-gradient(to bottom, black 85%, transparent 100%);
          mask-image: linear-gradient(to bottom, black 85%, transparent 100%);
}
@media (max-width: 991px) {
  #menu.scrolled {
    backdrop-filter: blur(0);
    -webkit-backdrop-filter: blur(0);
  }
}

/* Desktop >=992px : links horizontales */
.dn-item {
  display: inline-block;
  padding: .35rem .85rem;
  border-radius: 999px;
  color: #fff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color .15s, background .15s;
  margin: 0 .25rem;
}
.dn-item:first-child { margin-left: auto; }
.dn-item:last-child { margin-right: auto; }

.dn-item:hover {
  color: var(--green);
  background: rgba(255,255,255,.08);
}
.dn-item.active {
  color: #fff;
  background: var(--green);
}

/* Mobile/Tablet: hamburguesa */
.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  flex-shrink: 0;
}
.hamburger-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: background .2s;
}
.hamburger-btn:hover span { background: var(--green); }

.menu-current-label {
  color: var(--text);
  font-size: .82rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: default;
}


/* ═══════════════════════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════════════════════ */

#header {
  position: relative;
  background-color: var(--bg);
  overflow: hidden;
  min-height: 200px;
  margin-top:-40px;
  padding-top:40px;
}

#header-bg-shape {
  position: absolute;
  right: -8%;
  top: 10%;
  transform: translateY(-50%);
  height: 260%;
  width: auto;
  opacity: .28;
  pointer-events: none;
  user-select: none;
}
@media (max-width: 767px) {
  #header {
    min-height: 100px;
  }
  #header-bg-shape {
    right: -25%;
    height: 210%;
    opacity: .15;
  }
}

/* ── Mobile/Tablet: fondo siempre visible (no transparente) ───── */
@media (max-width: 991px) {
  #menu {
    background-color: transparent;
    border-bottom-color: transparent;
  }
}

#header-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,.50) 0%, rgba(0,0,0,.05) 100%);
  z-index: 1;
  pointer-events: none;
}

#header > *:not(#header-bg-shape):not(#header-overlay) {
  position: relative;
  z-index: 2;
}

/* El nav ocupa ~44px, el padding-top compensa para que el contenido no quede tapado */
#banner-header { padding: 1.5rem 0 3rem; }
@media (min-width: 768px) { #banner-header { padding: 2rem 0 4rem; } }

.gallery-main-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  color: #fff;
  letter-spacing: -.01em;
}
.gallery-main-title strong { font-weight: 900; }

.gallery-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.8rem);
  color: var(--green);
  margin-top: .4em;
  letter-spacing: -.01em;
}

/* Marca evento derecha — texto grande igual que el mockup */
.brand-event-name {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  color: #fff;
  letter-spacing: -.01em;
}
.brand-bold  { font-weight: 900; }
.brand-light { font-weight: 400; }

.brand-event-date {
  font-size: 1.6rem;
  letter-spacing: .12em;
  color: #fff;
  margin-top: .4rem;
  text-transform: uppercase;
}


/* ═══════════════════════════════════════════════════════════════
   OFFCANVAS  (mobile/tablet)
═══════════════════════════════════════════════════════════════ */

#galleryMenu {
  background-color: #0d1117;
  border-right: 1px solid var(--menu-border);
  width: 280px;
  z-index: 1100;
}
.offcanvas-backdrop { z-index: 1099; }

#galleryMenu .offcanvas-header {
  border-bottom: 1px solid var(--menu-border);
  padding: .6rem 1.25rem;
  min-height: unset;
}
#galleryMenu .offcanvas-body {
  position: relative;
  padding-top: .75rem;
  padding-bottom: 8rem; /* espacio para el .oc-brand anclado al fondo */
}

.oc-item {
  display: block;
  padding: .65rem 1.25rem .65rem 1.5rem;
  color: #fff;
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 500;
  border-left: 2px solid transparent;
  transition: color .15s, background .15s, border-color .15s;
}
.oc-item:hover {
  color: var(--green);
  background: rgba(255,255,255,.04);
  border-left-color: var(--green);
}
.oc-item.active {
  color: var(--green);
  border-left-color: var(--green);
  background: rgba(78,210,124,.08);
}

/* Bloque de marca al pie del offcanvas */
.oc-brand {
  position: absolute;
  bottom: 2rem;
  left: 1.5rem;
  right: 1.25rem;
}
.oc-brand .brand-event-name {
  font-size: 1.15rem;
  line-height: 1.1;
  color: #fff;
}
.oc-brand .brand-event-date {
  font-size: .65rem;
  letter-spacing: .1em;
  color: #fff;
  margin-top: .3rem;
}


/* ═══════════════════════════════════════════════════════════════
   LOADING INDICATOR
═══════════════════════════════════════════════════════════════ */

#infinite-loader {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  z-index: 1200;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(0,0,0,.78);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 13px;
  letter-spacing: .02em;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
#infinite-loader.visible { opacity: 1; }
#infinite-loader .spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }


/* ═══════════════════════════════════════════════════════════════
   MASONRY / GALERÍA
═══════════════════════════════════════════════════════════════ */

.masonry {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 4px;
}
.masonry .thumb {
  display: block;
  border-radius: 2px;
  overflow: hidden;
  background: var(--bg-card);
  position: relative;
}
.masonry .thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.masonry .masonry-index {
  position: absolute;
  left: 8px;
  top: 8px;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1;
  background: rgba(0,0,0,.65);
  color: #fff;
  border: 1px solid var(--menu-border);
  box-shadow: 0 4px 16px rgba(0,0,0,.35);
}

img.blur-up { transition: filter .35s ease, transform .35s ease, opacity .35s ease; }
img.blur-up.is-loading { filter: blur(8px); opacity: .9; transform: scale(1.01); }