/* ---------- Tokens ---------- */
:root{
  --bg:            #0a0c12;
  --bg-alt:        #0e1119;
  --bg-elevated:   #12151f;

  --glass-bg:        rgba(255, 255, 255, 0.045);
  --glass-bg-strong: rgba(18, 20, 30, 0.72);
  --glass-border:    rgba(255, 255, 255, 0.09);
  --glass-border-hi: rgba(255, 255, 255, 0.16);

  --text:      #eef0f6;
  --text-dim:  #9aa1b4;
  --text-mute: #6b7185;

  --accent-violet: #8b5cf6;
  --accent-cyan:   #22d3ee;
  --accent-amber:  #f5b942;

  --aurora-gradient: linear-gradient(120deg, var(--accent-violet), var(--accent-cyan));

  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;

  --shadow-soft:  0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-strong: 0 20px 45px rgba(0, 0, 0, 0.5);

  --font-display: 'Century Gothic', 'Segoe UI', 'Trebuchet MS', Arial, sans-serif;
  --font-body:    'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --transition-fast: .2s ease;
  --transition-med:  .35s cubic-bezier(.4, 0, .2, 1);
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin: 0; padding: 0; }
button{ font-family: inherit; cursor: pointer; }
:focus-visible{
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
  border-radius: 6px;
}
body.no-scroll{ overflow: hidden; }

/* ---------- Fondo Aurora (ambiente) ---------- */
body::before, body::after{
  content: "";
  position: fixed;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.28;
  z-index: -1;
  pointer-events: none;
  animation: aurora-float 22s ease-in-out infinite alternate;
}
body::before{
  top: -20vw; left: -10vw;
  background: var(--accent-violet);
}
body::after{
  bottom: -25vw; right: -15vw;
  background: var(--accent-cyan);
  animation-delay: -11s;
}
@keyframes aurora-float{
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(6vw, 4vw) scale(1.15); }
}

/* ---------- Layout general ---------- */
.container{
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-header{
  padding: 120px 24px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.page-header .eyebrow{
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 10px;
}
.page-header h1{
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}
.page-header p{
  color: var(--text-dim);
  max-width: 60ch;
  margin: 0;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 24px 0;
  font-size: 0.85rem;
  color: var(--text-mute);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.breadcrumb a{ color: var(--text-dim); transition: color var(--transition-fast); }
.breadcrumb a:hover{ color: var(--accent-cyan); }
.breadcrumb .sep{ color: var(--text-mute); opacity: .5; }
.breadcrumb .current{ color: var(--text); }

/* ---------- Glass genérico ---------- */
.glass{
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

/* ---------- Botón hamburguesa (inyectado por JS) ---------- */
.menu-toggle{
  position: fixed;
  top: 20px;
  left: 24px;
  z-index: 200;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--glass-border-hi);
  background: var(--glass-bg-strong);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-direction: column;
  box-shadow: var(--shadow-soft);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.menu-toggle:hover{
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.18), var(--shadow-soft);
}
.menu-toggle span{
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform var(--transition-med), opacity var(--transition-med);
}
.menu-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2){ opacity: 0; }
.menu-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ---------- Overlay ---------- */
.menu-overlay{
  position: fixed;
  inset: 0;
  background: rgba(4, 5, 9, 0.55);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-med);
  z-index: 250;
}
.menu-overlay.active{ opacity: 1; pointer-events: auto; }

/* ---------- Side menu ---------- */
.side-menu{
  position: fixed;
  top: 0; left: 0;
  bottom: 0;
  width: 300px;
  max-width: 85vw;
  background: var(--glass-bg-strong);
  border-right: 1px solid var(--glass-border);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: var(--shadow-strong);
  transform: translateX(-100%);
  transition: transform var(--transition-med);
  z-index: 280;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.side-menu.open{ transform: translateX(0); }

.side-menu-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 22px 18px;
  border-bottom: 1px solid var(--glass-border);
}
.side-menu-header .logo{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  background: var(--aurora-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.menu-close{
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 1.4rem;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 8px;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.menu-close:hover{ color: var(--text); background: rgba(255,255,255,0.06); }

.side-menu-nav{ padding: 14px 12px 30px; flex: 1; }

.menu-link{
  display: block;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 0.95rem;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.menu-link:hover, .menu-link.active{
  background: rgba(255,255,255,0.055);
  color: var(--text);
}
.menu-link.home{
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.menu-list{ margin-top: 6px; }
.menu-list > li{ margin-bottom: 2px; }

.menu-group-toggle{
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 0.95rem;
  text-align: left;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.menu-group-toggle:hover{ background: rgba(255,255,255,0.055); color: var(--text); }
.menu-group-toggle .chevron{
  transition: transform var(--transition-med);
  color: var(--accent-cyan);
  font-size: 0.8rem;
}
.menu-group.open .menu-group-toggle .chevron{ transform: rotate(180deg); }

.menu-submenu-wrap{
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-med);
  margin-left: 20px;
}
.menu-group.open .menu-submenu-wrap{ grid-template-rows: 1fr; }

.menu-submenu{
  overflow: hidden;
  min-height: 0;
  padding-left: 10px;
  border-left: 1px solid var(--glass-border);
}
.menu-submenu .menu-link{ font-size: 0.88rem; padding: 9px 14px; }

/* ---------- Grid de galería ---------- */
.gallery{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 24px 100px;
}

.wallpaper-card{
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
}
.wallpaper-card:hover, .wallpaper-card:focus-visible{
  transform: translateY(-6px) scale(1.015);
  box-shadow: 0 22px 40px rgba(139, 92, 246, 0.25);
  border-color: var(--glass-border-hi);
}
.wallpaper-card img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--transition-med);
}
.wallpaper-card:hover img{ transform: scale(1.08); }

.wallpaper-card .card-label{
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 34px 16px 14px;
  background: linear-gradient(to top, rgba(6,7,12,0.88), transparent);
  font-size: 0.92rem;
  font-weight: 600;
}

/* ---------- Tarjetas de categoría (portada) ---------- */
.category-card{
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 200px;
  border-radius: var(--radius-lg);
  padding: 22px;
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
}
.category-card:hover{
  transform: translateY(-6px);
  box-shadow: 0 22px 40px rgba(34, 211, 238, 0.2);
  border-color: var(--glass-border-hi);
}
.category-card::before{
  content: "";
  position: absolute; inset: 0;
  background: var(--category-bg, var(--aurora-gradient));
  opacity: 0.35;
  z-index: 0;
}
.category-card > *{ position: relative; z-index: 1; }
.category-card h3{
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 4px;
}
.category-card span{
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ---------- Botones ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.btn-primary{
  background: var(--aurora-gradient);
  color: #06070c;
}
.btn-primary:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(139, 92, 246, 0.35);
}
.btn-ghost{
  background: var(--glass-bg);
  border-color: var(--glass-border);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--glass-border-hi); }

/* ---------- Modal ---------- */
.modal-backdrop{
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 11, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-med);
  z-index: 400;
}
.modal-backdrop.active{ opacity: 1; pointer-events: auto; }

.modal-content{
  position: relative;
  width: 100%;
  max-width: 880px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 24px;
  padding: 22px;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border-hi);
  box-shadow: var(--shadow-strong);
  transform: scale(0.96);
  transition: transform var(--transition-med);
}
.modal-backdrop.active .modal-content{ transform: scale(1); }

.modal-close{
  position: absolute;
  top: 14px; right: 14px;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: rgba(0,0,0,0.35);
  color: var(--text);
  font-size: 1.3rem;
  line-height: 1;
  z-index: 2;
  transition: background var(--transition-fast);
}
.modal-close:hover{ background: rgba(255,255,255,0.12); }

.modal-image-wrap{
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #050609;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: 65vh;
}
#modal-image{
  width: 100%;
  max-height: 65vh;
  object-fit: contain;
}

.modal-actions{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 18px;
}
.modal-actions h3{
  font-family: var(--font-display);
  margin: 0;
  font-size: 1.15rem;
}

/* ---------- Footer ---------- */
.site-footer{
  text-align: center;
  padding: 40px 24px 60px;
  color: var(--text-mute);
  font-size: 0.85rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px){
  .page-header{ padding-top: 100px; }
  .gallery{ grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
  .modal-content{ padding: 16px; }
}