/* =====================================================================
   LITHEMA ART GALLERY — styles.css
   Índice
     1. Tokens (modo claro · modo oscuro)
     2. Base
     3. Cielo estrellado y grano
     4. Cabecera y marca
     5. Portada (hero)
     6. Secciones · filtros · galería
     7. Proceso · contacto · pie
     8. Lightbox y modales
     9. Modo oscuro (ajustes por componente)
    10. Responsive
    11. Movimiento reducido
   ===================================================================== */


/* =====================================================================
   1. TOKENS
   ===================================================================== */
:root {
  color-scheme: light;

  /* Modo día — paleta tomada de la fotografía de dunas de arena de referencia:
     marfil cálido, arena clara y sombras color café con leche. */
  --bg:          #F1E9D8;
  --bg-raised:   #F8F2E5;
  --bg-sunk:     #E5D8BD;
  --line:        #D9C8A6;
  --ink:         #241E17;
  --ink-soft:    #6C5D45;
  --accent:      #7A5E33;
  --danger:      #9C4A3C;

  /* Marco de las obras */
  --frame-tint:  #EADDC1;
  --frame-sheen: radial-gradient(120% 100% at 50% 12%, rgba(255,255,255,.6), rgba(255,255,255,0) 65%);
  --art-shadow:  0 14px 18px rgba(36,30,23,.22);

  /* Fondo ambiental fijo del modo día (equivalente diurno de .sky) */
  --day-glow-1:  rgba(255, 247, 227, .9);
  --day-glow-2:  rgba(224, 196, 145, .55);
  --day-glow-3:  rgba(197, 165, 112, .35);
  --day-base-1:  #F7F0E1;
  --day-base-2:  #EADBBC;
  --day-base-3:  #E0CDA5;

  /* Texturas de las piezas de ejemplo sin fotografía */
  --tex-marmol:   linear-gradient(135deg, #E9E0CD 0%, #D8CBAE 45%, #EEE6D2 60%, #CDBD97 100%);
  --tex-madera:   linear-gradient(120deg, #C9B79C 0%, #B7A184 50%, #A78E6D 100%);
  --tex-lienzo:   linear-gradient(160deg, #F0E7D2 0%, #DECBA3 100%);
  --tex-ceramica: linear-gradient(140deg, #E2D5B7 0%, #CBB88F 50%, #EADFC5 100%);

  /* Superficies flotantes */
  --drawer-bg:   #F8F2E5;
  --scrim:       rgba(36,30,23,.62);
  --lightbox-bg: rgba(36,30,23,.94);

  /* Tipografía */
  --font-display: 'Bodoni Moda', 'Didot', 'Bodoni MT', 'Playfair Display', Georgia, serif;
  --font-sans:    'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* Medidas */
  --max-w: 1320px;
  --pad: clamp(1.5rem, 4vw, 4rem);
  --radius: 2px;

  /* Movimiento */
  --dur: .5s;
  --ease: cubic-bezier(.4, 0, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

html.dark-mode {
  color-scheme: dark;

  /* Negro noche profundo */
  --bg:          #05070B;
  --bg-raised:   #0B0D12;
  --bg-sunk:     rgba(0,0,0,.30);
  --line:        rgba(239,235,226,.16);
  --ink:         #EFEBE2;
  --ink-soft:    #B9B4A8;
  --accent:      #A9BB93;
  --danger:      #E0917F;

  --frame-tint:  rgba(255,255,255,.045);
  --frame-sheen: none;
  --art-shadow:  0 16px 22px rgba(0,0,0,.6);

  --tex-marmol:   linear-gradient(135deg, #2B2C30 0%, #1E1F23 45%, #2F3034 60%, #1A1B1F 100%);
  --tex-madera:   linear-gradient(120deg, #3A3026 0%, #2E261E 50%, #272019 100%);
  --tex-lienzo:   linear-gradient(160deg, #2A2823 0%, #201F1B 100%);
  --tex-ceramica: linear-gradient(140deg, #2D2B27 0%, #23221F 50%, #302E29 100%);

  --drawer-bg:   rgba(8,10,16,.97);
  --scrim:       rgba(0,0,0,.7);
  --lightbox-bg: rgba(3,4,7,.95);
}


/* =====================================================================
   2. BASE
   ===================================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

/* El fondo vive en <html> (y no en <body>) para que el cielo fijo,
   con z-index negativo, quede siempre por encima de él y por debajo
   de todo el contenido. */
html {
  background-color: var(--bg);
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  transition: background-color var(--dur) var(--ease);
}

body {
  background: transparent;
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: color var(--dur) var(--ease);
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; color: inherit; }
ul { list-style: none; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: .005em;
  line-height: 1.12;
}
p { color: var(--ink-soft); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
::selection { background: var(--accent); color: var(--bg); }

.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.skip-link {
  position: fixed;
  top: .75rem; left: .75rem;
  z-index: 1000;
  padding: .6rem 1rem;
  background: var(--ink);
  color: var(--bg);
  font-size: .85rem;
  transform: translateY(-200%);
}
.skip-link:focus { transform: translateY(0); }

/* Transición suave entre modos: JS añade .theme-fade unos instantes
   a <html> solo mientras se conmuta el tema. */
html.theme-fade *,
html.theme-fade *::before,
html.theme-fade *::after {
  transition: color .6s var(--ease), background-color .6s var(--ease),
              border-color .6s var(--ease), fill .6s var(--ease), stroke .6s var(--ease) !important;
}


/* =====================================================================
   3. CIELO ESTRELLADO Y GRANO
   ===================================================================== */
.sky {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;

  background:
    radial-gradient(60% 45% at 78% 16%, rgba(58, 64, 122, .24), transparent 70%),
    radial-gradient(52% 42% at 16% 72%, rgba(44, 52, 106, .20), transparent 70%),
    radial-gradient(90% 60% at 50% 112%, rgba(34, 26, 58, .40), transparent 70%),
    linear-gradient(180deg, #05070B 0%, #0A0D14 55%, #06070C 100%);

  opacity: 0;
  visibility: hidden;
  transition: opacity .9s var(--ease), visibility 0s linear .9s;
}
html.dark-mode .sky {
  opacity: 1;
  visibility: visible;
  transition: opacity .9s var(--ease), visibility 0s;
}
.sky canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Contrapartida diurna del cielo: luz cálida y difusa inspirada en las
   dunas de arena de referencia. Es pura superficie (sin canvas ni
   animación) y ocupa siempre toda la ventana, detrás del contenido. */
.daylight {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;

  background:
    radial-gradient(65% 50% at 14% 8%,  var(--day-glow-1), transparent 70%),
    radial-gradient(60% 55% at 88% 30%, var(--day-glow-2), transparent 72%),
    radial-gradient(80% 60% at 50% 118%, var(--day-glow-3), transparent 75%),
    linear-gradient(165deg, var(--day-base-1) 0%, var(--day-base-2) 55%, var(--day-base-3) 100%);

  opacity: 1;
  transition: opacity .9s var(--ease);
}
html.dark-mode .daylight { opacity: 0; }

.grain {
  position: fixed;
  inset: 0;
  z-index: 300;
  pointer-events: none;
  opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
html.dark-mode .grain { opacity: .05; }


/* =====================================================================
   4. CABECERA Y MARCA
   ===================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  background: transparent;
}

/* El cristal vive en un pseudo-elemento: si el <header> llevase
   backdrop-filter, el menú móvil (position: fixed) quedaría atrapado
   dentro de él en lugar de ocupar toda la pantalla. */
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.site-header.is-scrolled::before {
  background: rgba(239, 235, 228, .88);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--line);
}
html.dark-mode .site-header::before {
  background: rgba(11, 13, 18, .4);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom-color: rgba(239, 235, 226, .10);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 1.15rem;
  transition: padding var(--dur) var(--ease);
}
.site-header.is-scrolled .header-inner { padding-block: .6rem; }

/* --- Logotipo: sin caja, sin marco, sin fondo ------------------------ */
.brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.brand-mark {
  height: 38px;
  max-height: 38px;
  width: auto;
  background: transparent;
  border: 0;
  box-shadow: none;
}
/* Dos tintas del mismo monograma; solo una es visible a la vez. */
.brand-mark--light { display: none; }
html.dark-mode .brand-mark--ink   { display: none; }
html.dark-mode .brand-mark--light { display: block; }

/* Wordmark original (L con floritura + ART GALLERY), en dos tintas. */
.brand-word {
  height: 34px;
  max-height: 34px;
  width: auto;
  background: transparent;
  border: 0;
  box-shadow: none;
}
.brand-word--light { display: none; }
html.dark-mode .brand-word--ink   { display: none; }
html.dark-mode .brand-word--light { display: block; }

.header-right {
  display: flex;
  align-items: center;
  gap: 2.4rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}
.main-nav a {
  position: relative;
  font-size: .92rem;
  letter-spacing: .02em;
  color: var(--ink);
  padding: .35rem 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: currentColor;
  transition: width var(--dur) var(--ease);
}
.main-nav a:hover::after,
.main-nav a:focus-visible::after { width: 100%; }

.header-actions {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* Selector de idioma: mismo lenguaje visual que el interruptor de tema. */
.lang-switch { position: relative; }
.lang-switch-btn {
  display: grid;
  place-items: center;
  min-width: 38px; height: 38px;
  padding: 0 .6rem;
  border-radius: 19px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  font-size: .74rem;
  letter-spacing: .04em;
  transition: border-color var(--dur) var(--ease);
}
.lang-switch-btn:hover { border-color: var(--ink); }
.lang-switch-list {
  position: absolute;
  top: calc(100% + .6rem);
  right: 0;
  min-width: 150px;
  padding: .4rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 12px 28px rgba(0,0,0,.14);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s linear var(--dur);
}
.lang-switch.open .lang-switch-list {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s;
}
.lang-switch-list button {
  display: block;
  width: 100%;
  padding: .5rem .6rem;
  background: transparent;
  border: 0;
  border-radius: 2px;
  text-align: left;
  font-size: .88rem;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.lang-switch-list button:hover,
.lang-switch-list button:focus-visible { background: var(--bg-sunk); color: var(--ink); }
.lang-switch-list li.active button { color: var(--ink); font-weight: 500; }

.theme-toggle {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.theme-toggle:hover { border-color: var(--ink); }
.theme-toggle svg { width: 18px; height: 18px; grid-area: 1 / 1; transition: opacity .35s var(--ease), transform .5s var(--ease); }
.theme-toggle .icon-sun  { opacity: 0; transform: rotate(-60deg) scale(.7); }
html.dark-mode .theme-toggle .icon-moon { opacity: 0; transform: rotate(60deg) scale(.7); }
html.dark-mode .theme-toggle .icon-sun  { opacity: 1; transform: none; }
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 22px; height: 1px;
  background: var(--ink);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }


/* =====================================================================
   5. PORTADA — el lockup de marca es el único protagonista
   ===================================================================== */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 7rem 0 4.5rem;
  text-align: center;
}

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

.lockup {
  display: block;
  line-height: 0;
  font-size: 0;
}
.lockup-img {
  width: min(760px, 86vw);
  height: auto;
  animation: fade-in 1.8s var(--ease-out) both;
}
.lockup-img--light { display: none; }
html.dark-mode .lockup-img--ink   { display: none; }
html.dark-mode .lockup-img--light { display: block; }

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.hero-tagline {
  margin-top: clamp(2.4rem, 5vw, 4rem);
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  color: var(--ink-soft);
  animation: fade-in 1.6s .95s var(--ease) both;
}

.hero-categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: clamp(2rem, 4vw, 3rem);
}
.hero-categories li + li { border-left: 1px solid var(--line); }
.hero-categories button {
  padding: .2rem clamp(1rem, 2.4vw, 2rem);
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: .95rem;
  color: var(--ink-soft);
  transition: color var(--dur) var(--ease);
}
.hero-categories button:hover,
.hero-categories button:focus-visible { color: var(--ink); }

.explore-btn {
  margin-top: clamp(2.2rem, 4vw, 3rem);
  display: inline-flex;
  align-items: center;
  gap: .9rem;
  padding: 0 0 .35rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink);
  cursor: pointer;
  font-size: .95rem;
  letter-spacing: .02em;
  color: var(--ink);
}
.explore-btn .explore-line {
  display: block;
  width: 1.6rem; height: 1px;
  background: currentColor;
  transition: width var(--dur) var(--ease);
}
.explore-btn:hover .explore-line,
.explore-btn:focus-visible .explore-line { width: 2.8rem; }


/* =====================================================================
   6. SECCIONES · FILTROS · GALERÍA
   ===================================================================== */
.section { padding-block: clamp(4.5rem, 9vw, 8rem); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: clamp(2.5rem, 5vw, 4.2rem);
}
.section-head h2 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
.section-note {
  max-width: 34ch;
  font-size: .95rem;
  text-align: right;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: .2rem 1.8rem;
  margin-bottom: clamp(2rem, 4vw, 3.2rem);
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.filter-btn {
  position: relative;
  padding: .3rem 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: .92rem;
  color: var(--ink-soft);
  transition: color var(--dur) var(--ease);
}
.filter-btn::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--dur) var(--ease);
}
.filter-btn:hover,
.filter-btn.active { color: var(--ink); }
.filter-btn.active::after { width: 100%; }

.gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(2rem, 3.4vw, 3.4rem) clamp(1.4rem, 2.6vw, 2.6rem);
}
.gallery.is-empty::after {
  content: var(--gallery-empty-msg, 'Aún no hay obras publicadas en esta categoría.');
  grid-column: 1 / -1;
  padding: 3rem 0;
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink-soft);
}

.artwork {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  outline-offset: 6px;
}

/* La obra se muestra entera sobre una paspartú: nunca se recorta ni
   deforma el cuadro, y todas las tarjetas conservan la misma altura
   (la imagen se posiciona en absoluto para no alterar el 3 / 4). */
.artwork-frame {
  --mat: clamp(.9rem, 1.8vw, 1.5rem);
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background-color: var(--frame-tint);
  background-image: var(--frame-sheen);
  transition: background-color var(--dur) var(--ease);
}
.artwork-frame img {
  position: absolute;
  top: var(--mat);
  left: var(--mat);
  width: calc(100% - var(--mat) * 2);
  height: calc(100% - var(--mat) * 2);
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(var(--art-shadow));
}

.tex-marmol   { background-image: var(--tex-marmol); }
.tex-madera   { background-image: var(--tex-madera); }
.tex-lienzo   { background-image: var(--tex-lienzo); }
.tex-ceramica { background-image: var(--tex-ceramica); }

.zoom-hint {
  position: absolute;
  top: .8rem; right: .8rem;
  width: 30px; height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  color: var(--ink);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.zoom-hint svg { width: 14px; height: 14px; }
.artwork:hover .zoom-hint,
.artwork:focus-visible .zoom-hint { opacity: 1; transform: none; }

.artwork-caption {
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  margin-top: 1rem;
}
.artwork-caption .title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.22rem;
  line-height: 1.3;
  color: var(--ink);
}
.artwork-caption .technique { margin-top: .3rem; font-size: .82rem; }
.artwork-caption .dims      { margin-top: .1rem; font-size: .76rem; }


/* =====================================================================
   7. PROCESO · CONTACTO · PIE
   ===================================================================== */
.proceso {
  background: var(--bg-sunk);
  border-block: 1px solid var(--line);
}
.proceso-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.proceso h2 { font-size: clamp(2.2rem, 4.5vw, 3.2rem); line-height: 1.15; }
.proceso .lead {
  margin-top: 1.6rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  line-height: 1.5;
}
.proceso .body p {
  max-width: 62ch;
  margin-bottom: 1.3rem;
  font-size: 1.02rem;
}
.proceso .body p:last-child { margin-bottom: 0; }

.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
}
.contacto h2 { font-size: clamp(2.1rem, 4.5vw, 3.2rem); }
.contacto .intro { max-width: 40ch; margin-top: 1.2rem; }

.social-list {
  display: flex;
  flex-direction: column;
  gap: .9rem;
  margin-top: 2.6rem;
}
.social-list a {
  width: fit-content;
  padding-bottom: 2px;
  font-size: .95rem;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}
.social-list a:hover { border-color: var(--ink); }

form { display: flex; flex-direction: column; gap: 1.6rem; }

.field { display: flex; flex-direction: column; gap: .5rem; }
.field label { font-size: .82rem; color: var(--ink-soft); }
.field input,
.field select,
.field textarea {
  padding: .6rem .1rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--ink);
  resize: vertical;
  transition: border-color var(--dur) var(--ease);
}
.field textarea { min-height: 110px; }
.field select option { background: var(--bg-raised); color: var(--ink); }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-color: var(--ink); }

.btn {
  align-self: flex-start;
  margin-top: .4rem;
  padding: .85rem 2.2rem;
  background: var(--ink);
  color: var(--bg);
  border: 1px solid var(--ink);
  font-family: var(--font-sans);
  font-size: .95rem;
  letter-spacing: .02em;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn:hover { background: transparent; color: var(--ink); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.form-note { min-height: 1.3em; font-size: .84rem; }
.form-note.ok    { color: var(--accent); }
.form-note.error { color: var(--danger); }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.4rem 0;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
}
.site-footer .brand-mark { height: 30px; max-height: 30px; }
.site-footer .brand-word { height: 26px; max-height: 26px; }
.footer-fine { font-size: .8rem; }

.admin-access {
  padding: .3rem;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: .75rem;
  color: var(--ink-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.admin-access:hover,
.admin-access:focus-visible { color: var(--ink); }


/* =====================================================================
   8. LIGHTBOX Y MODALES
   ===================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: var(--lightbox-bg);
}
.lightbox.open { display: flex; }

.lightbox-inner {
  width: 100%;
  max-width: 1200px;
  max-height: 92vh;
  display: grid;
  grid-template-columns: 1fr 320px;
  overflow: hidden;
  background: var(--bg-raised);
  border-radius: var(--radius);
}
.lightbox-image {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  max-height: 92vh;
  padding: 1.5rem;
  background-color: var(--frame-tint);
  background-image: var(--frame-sheen);
}
.lightbox-image img {
  max-width: 100%;
  max-height: 84vh;
  object-fit: contain;
  filter: drop-shadow(0 26px 38px rgba(0,0,0,.34));
}
.lightbox-info {
  display: flex;
  flex-direction: column;
  padding: 2.2rem 2rem;
  overflow-y: auto;
}
.lightbox-info .title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.7rem;
  line-height: 1.25;
  color: var(--ink);
}
.lightbox-info .technique   { margin-top: .6rem; font-size: .88rem; }
.lightbox-info .dims        { margin-top: .25rem; font-size: .8rem; }
.lightbox-info .description { margin-top: 1.4rem; font-size: .92rem; line-height: 1.75; }
.lightbox-info .counter     { margin-top: auto; padding-top: 1.6rem; font-size: .78rem; }

.lightbox-close,
.lightbox-arrow {
  position: absolute;
  z-index: 10;
  display: grid;
  place-items: center;
  background: var(--bg-raised);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease);
}
.lightbox-close:hover,
.lightbox-arrow:hover { background: var(--bg); }
.lightbox-close {
  top: clamp(.8rem, 3vw, 1.6rem);
  right: clamp(.8rem, 3vw, 1.6rem);
  width: 40px; height: 40px;
  font-size: 1.3rem;
  line-height: 1;
}
.lightbox-arrow {
  top: 50%;
  width: 44px; height: 44px;
  transform: translateY(-50%);
  font-size: 1.4rem;
  line-height: 1;
}
.lightbox-arrow.prev { left: clamp(.6rem, 3vw, 1.6rem); }
.lightbox-arrow.next { right: clamp(.6rem, 3vw, 1.6rem); }

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 600;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--scrim);
}
.modal-overlay.open { display: flex; }

.modal-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  padding: clamp(1.8rem, 4vw, 2.6rem);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.modal-card.wide { max-width: 760px; }
.modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 32px; height: 32px;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--ink-soft);
}
.modal-card h3 { margin-bottom: .4rem; font-size: 1.6rem; }
.modal-sub { margin-bottom: 1.8rem; font-size: .85rem; }
.modal-mode-badge {
  display: inline-block;
  margin-bottom: 1.4rem;
  padding: .25rem .7rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  font-size: .72rem;
  letter-spacing: .02em;
  color: var(--accent);
}

.admin-dash-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.6rem;
  padding-right: 2rem;
}
.admin-dash-header .modal-sub { margin-bottom: 0; }
.logout-link {
  padding: 0 0 2px;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  font-size: .82rem;
  color: var(--ink-soft);
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.admin-grid h4 {
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--ink);
}

.file-drop {
  position: relative;
  padding: 1.2rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  text-align: center;
  font-size: .82rem;
  color: var(--ink-soft);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease);
}
.file-drop:hover,
.file-drop:focus-within { border-color: var(--accent); }
.file-drop input {
  position: absolute;
  inset: 0;
  width: 100%;
  opacity: 0;
  cursor: pointer;
}
.file-preview {
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 140px;
  margin-top: .8rem;
  overflow: hidden;
  background: var(--bg-sunk);
  border-radius: var(--radius);
}
.file-preview.show { display: flex; }
.file-preview img { width: 100%; height: 100%; object-fit: contain; }

.admin-list {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  max-height: 420px;
  padding-right: .3rem;
  overflow-y: auto;
}
.admin-list-item {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.admin-list-item .thumb {
  flex-shrink: 0;
  width: 44px; height: 44px;
  overflow: hidden;
  background: var(--bg-sunk);
  border-radius: 2px;
}
.admin-list-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
.admin-list-item .meta { flex: 1; min-width: 0; }
.admin-list-item .meta .t {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: .86rem;
  color: var(--ink);
}
.admin-list-item .meta .c { font-size: .72rem; color: var(--ink-soft); }
.del-btn {
  flex-shrink: 0;
  padding: .3rem .6rem;
  background: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  font-size: .72rem;
  color: var(--ink-soft);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.del-btn:hover { border-color: var(--danger); color: var(--danger); }
.admin-empty { font-size: .82rem; font-style: italic; }


/* =====================================================================
   8-bis. BOTÓN FLOTANTE — MÚSICA INMERSIVA
   ===================================================================== */
.music-fab-wrap {
  position: fixed;
  right: clamp(1rem, 3vw, 1.8rem);
  bottom: clamp(1rem, 3vw, 1.8rem);
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.music-fab {
  position: relative;
  display: grid;
  place-items: center;
  width: 56px; height: 56px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(36,30,23,.16);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.music-fab:hover,
.music-fab:focus-visible { transform: scale(1.08); border-color: var(--ink); }
.music-fab svg { width: 22px; height: 22px; grid-area: 1 / 1; transition: opacity .3s var(--ease); }
.music-fab .icon-mute { opacity: 0; }
.music-fab.is-playing .icon-note { opacity: 0; }
.music-fab.is-playing .icon-mute { opacity: 1; }

/* Anillo que pulsa mientras suena la atmósfera sonora. */
.music-fab-ring {
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0;
  transform: scale(1);
}
.music-fab.is-playing .music-fab-ring {
  opacity: 1;
  animation: music-pulse 2.6s ease-out infinite;
}
@keyframes music-pulse {
  0%   { transform: scale(1);    opacity: .55; }
  100% { transform: scale(1.55); opacity: 0; }
}

/* Etiqueta/tooltip con el mensaje requerido: visible al pasar el ratón
   o al enfocar el botón con teclado; se abre hacia la izquierda para
   no salirse de la pantalla desde la esquina inferior derecha. */
.music-tooltip {
  position: absolute;
  right: calc(100% + .9rem);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  width: max-content;
  max-width: min(280px, 60vw);
  padding: .6rem .9rem;
  background: var(--ink);
  color: var(--bg);
  font-size: .78rem;
  line-height: 1.45;
  border-radius: 4px;
  text-align: right;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s linear var(--dur);
}
.music-fab:hover ~ .music-tooltip,
.music-fab:focus-visible ~ .music-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s;
}
/* El tooltip se ancla al wrap (que ya es position: fixed) mediante
   position: absolute, y usa el selector de hermano general `~` porque
   en el HTML aparece justo después del botón. */


/* =====================================================================
   9. MODO OSCURO — ajustes que no salen de los tokens
      (los fondos de sección son translúcidos para que el cielo
       fijo se vea continuo detrás de todo el contenido)
   ===================================================================== */
html.dark-mode .zoom-hint,
html.dark-mode .lightbox-close,
html.dark-mode .lightbox-arrow { background: rgba(11, 13, 18, .85); }

html.dark-mode .lightbox-close:hover,
html.dark-mode .lightbox-arrow:hover { background: rgba(30, 33, 42, .95); }

html.dark-mode .lightbox-inner { background: rgba(8, 10, 16, .94); }
html.dark-mode .lightbox-image img { filter: drop-shadow(0 26px 38px rgba(0,0,0,.7)); }

html.dark-mode .btn { background: var(--ink); color: #05070B; border-color: var(--ink); }
html.dark-mode .btn:hover { background: transparent; color: var(--ink); }

html.dark-mode .field input,
html.dark-mode .field select,
html.dark-mode .field textarea { border-bottom-color: rgba(239, 235, 226, .3); }
html.dark-mode .field input:focus,
html.dark-mode .field select:focus,
html.dark-mode .field textarea:focus { border-bottom-color: var(--ink); }


/* =====================================================================
   10. RESPONSIVE
   ===================================================================== */
@media (max-width: 980px) {
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proceso-grid,
  .contacto-grid { grid-template-columns: 1fr; }
  .lightbox-inner { grid-template-columns: 1fr; overflow-y: auto; }
  .lightbox-image { max-height: 56vh; min-height: 240px; }
  .lightbox-image img { max-height: 48vh; }
  .admin-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .header-right { gap: .4rem; }

  .main-nav {
    position: fixed;
    top: 0; right: 0;
    z-index: 1;
    width: 74vw;
    max-width: 320px;
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    justify-content: center;
    gap: 2.2rem;
    padding: 2rem;
    background: var(--drawer-bg);
    border-left: 1px solid var(--line);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform var(--dur) var(--ease), visibility 0s linear var(--dur);
  }
  .main-nav.open {
    transform: none;
    visibility: visible;
    transition: transform var(--dur) var(--ease), visibility 0s;
  }
  .main-nav a {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.7rem;
    letter-spacing: 0;
  }
  .menu-toggle { display: flex; }

  .brand-mark { height: 32px; max-height: 32px; }
  .brand-word { height: 28px; max-height: 28px; }
  .header-inner { padding-block: .9rem; }

  .lang-switch-btn { min-width: 34px; height: 34px; padding: 0 .45rem; font-size: .7rem; }
  .theme-toggle { width: 34px; height: 34px; }
  .lang-switch-list { right: -8px; }

  .music-fab { width: 50px; height: 50px; }
  .music-fab svg { width: 20px; height: 20px; }
  .music-tooltip { max-width: 56vw; font-size: .74rem; }

  .section-head { flex-direction: column; align-items: flex-start; }
  .section-note { text-align: left; }
  .gallery { grid-template-columns: 1fr; }
  .hero-categories { flex-direction: column; align-items: center; gap: .7rem; }
  .hero-categories li + li { border-left: 0; }
}

/* =====================================================================
   11. MOVIMIENTO REDUCIDO
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-delay: 0s !important;
    transition-duration: .001ms !important;
    transition-delay: 0s !important;
  }
}


/* =====================================================================
   Panel de administración: ayudas añadidas
   ===================================================================== */
.file-names { margin-top: .6rem; font-size: .76rem; line-height: 1.6; color: var(--ink-soft); word-break: break-all; }
.file-names:empty { display: none; }
.pw-title { margin-top: 2.2rem; }
.admin-list-item .factory-tag { font-size: .7rem; color: var(--ink-soft); letter-spacing: .06em; white-space: nowrap; }

/* Aviso del botón de música cuando algo falla */
.music-fab-wrap.is-notice .music-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s;
}


/* =====================================================================
   12. AÑADIDOS v6 — CTA, formulario, aviso de cookies, mensajes, legal
   ===================================================================== */
[hidden] { display: none !important; }

/* Único llamado a la acción destacado: "Contacto" */
.main-nav a.nav-cta {
  padding: .5rem 1.25rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.main-nav a.nav-cta::after { display: none; }
.main-nav a.nav-cta:hover,
.main-nav a.nav-cta:focus-visible { background: var(--ink); color: var(--bg); }

.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); }

.lightbox-cta { margin-top: 1.6rem; color: #111; background: #EFEBE2; border-color: #EFEBE2; }
.lightbox-cta:hover { background: transparent; color: #EFEBE2; }

/* Errores bajo cada campo */
.field-error { min-height: 0; font-size: .8rem; color: var(--danger); }
.field-error:empty { display: none; }
.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] { border-bottom-color: var(--danger); }

/* Campo trampa anti-spam: fuera de pantalla (no display:none, que algunos robots detectan) */
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.field-check .check { display: flex; align-items: flex-start; gap: .7rem; cursor: pointer; font-size: .85rem; color: var(--ink-soft); }
.field-check input[type="checkbox"] { flex: none; width: 1.15rem; height: 1.15rem; margin-top: .15rem; accent-color: var(--accent); }
.field-check a, .consent a { text-decoration: underline; text-underline-offset: 3px; color: var(--ink); }

/* Pie: enlaces legales */
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem 1.4rem; font-size: .82rem; }
.footer-links a, .link-btn { color: var(--ink-soft); }
.footer-links a:hover, .link-btn:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.link-btn { padding: 0; background: none; border: 0; font-size: inherit; cursor: pointer; }

/* Aviso de cookies */
.consent {
  position: fixed;
  left: 1rem; right: 1rem; bottom: 1rem;
  z-index: 900;
  max-width: 560px;
  margin-inline: auto;
  padding: 1.1rem 1.3rem;
  background: var(--bg-raised);
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: 0 10px 40px rgba(0,0,0,.35);
}
html.dark-mode .consent { background: #0B0D12; }
.consent-title { margin-bottom: .3rem; font-family: var(--font-display); font-size: 1.05rem; color: var(--ink); }
.consent-text { font-size: .85rem; line-height: 1.55; }
.consent-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .9rem; }
.consent-btn { margin: 0; padding: .6rem 1.4rem; font-size: .88rem; }

/* Mensajes recibidos (panel) */
.msg-list { display: flex; flex-direction: column; gap: .8rem; max-height: 340px; overflow: auto; margin-bottom: .5rem; }
.msg { padding: .8rem .9rem; border: 1px solid var(--line); border-radius: var(--radius); font-size: .85rem; }
.msg header span { color: var(--ink-soft); font-size: .78rem; }
.msg-meta { margin-top: .15rem; font-size: .75rem; }
.msg-body { margin-top: .5rem; color: var(--ink); white-space: pre-wrap; overflow-wrap: anywhere; }
.msg-actions { display: flex; gap: 1rem; align-items: center; margin-top: .6rem; font-size: .8rem; }
.msg-actions a { text-decoration: underline; text-underline-offset: 3px; }
#settingsForm, #pwForm { gap: 1.1rem; }

.noscript { padding: 2rem; text-align: center; }

/* Páginas legales y 404 */
.legal-page { max-width: 760px; margin: 0 auto; padding: 7rem var(--pad) 4rem; }
.legal-page h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 1rem; }
.legal-page h2 { margin: 2.2rem 0 .6rem; font-size: 1.35rem; }
.legal-page p, .legal-page li { margin-bottom: .8rem; font-size: 1rem; }
.legal-page ul { padding-left: 1.2rem; list-style: disc; }
.legal-page a { text-decoration: underline; text-underline-offset: 3px; color: var(--ink); }
.legal-note { padding: .9rem 1rem; border: 1px solid var(--line); font-size: .9rem; }
.legal-top { position: fixed; top: 0; left: 0; right: 0; z-index: 50; padding: 1rem var(--pad); display: flex; justify-content: space-between; align-items: center; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(6px); }
.legal-top a { font-size: .9rem; color: var(--ink); }
.error-page { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 1rem; padding: 2rem; }
.error-page .code { font-family: var(--font-display); font-size: clamp(4rem, 14vw, 8rem); line-height: 1; color: var(--ink); }
.error-page .btn { align-self: center; text-decoration: none; display: inline-block; }

@media (max-width: 720px) {
  .main-nav a.nav-cta { display: inline-block; align-self: flex-start; }
  .consent { left: .6rem; right: .6rem; bottom: .6rem; }
}

/* Objetivos táctiles cómodos en móvil (mínimo ~44 px) */
@media (pointer: coarse) {
  .hero-categories button, .explore-btn, .filter-btn, .social-list a,
  .footer-links a, .link-btn, .admin-access, .lang-switch-list button {
    display: inline-flex; align-items: center; min-height: 44px;
  }
  .field-check .check { min-height: 44px; align-items: center; }
  .field-check input[type="checkbox"] { width: 1.4rem; height: 1.4rem; margin-top: 0; }
  .filter-btn { padding-block: .6rem; }
  .social-list a { padding-block: .5rem; }
}

/* Botón secundario (p. ej. "Rechazar"): contorno, mismo tamaño que el principal */
.btn.btn-ghost, html.dark-mode .btn.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn.btn-ghost:hover, html.dark-mode .btn.btn-ghost:hover { background: var(--ink); color: var(--bg); }
html.dark-mode .btn.btn-ghost:hover { color: #05070B; }
html.dark-mode .lightbox-cta { background: #EFEBE2; color: #05070B; border-color: #EFEBE2; }
html.dark-mode .lightbox-cta:hover { background: transparent; color: #EFEBE2; }