/* ========================================= */
/* 1. VARIABLES GLOBALES Y RESET */
/* ========================================= */
:root {
  --color-background: #F8F8F8;
  --color-text: #111111;
  --color-secondary: #555555;
  --color-border: #CCCCCC;
  --color-highlight: #E8E8E8;
  --color-like: #e74c3c;
  --font-primary: "Garamond Premier Pro Light Display", serif;
  --font-secondary: "Absans", sans-serif;
  --max-width: 1100px;
  --spacing-large: 80px;
  --spacing-medium: 40px;
  --header-height: 120px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

[data-theme="dark"] {
  --color-background: #1a1a1a;
  --color-text: #f0f0f0;
  --color-secondary: #b0b0b0;
  --color-border: #333333;
  --color-highlight: #333333;
  --color-like: #e74c3c;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-background);
  padding-top: var(--header-height);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
  text-decoration: none;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary);
}

/* ========================================= */
/* 2. CABECERA Y NAVEGACIÓN */
/* ========================================= */
header {
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

#menuprincipal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

#logo {
  flex-grow: 1;
  text-align: left;
}

#firma {
  max-width: 150px;
  height: auto;
  display: block;
}

[data-theme="dark"] #firma {
  filter: invert(1) brightness(2);
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  margin-left: 15px;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  background: var(--color-highlight);
}

#menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

#menu-toggle:hover {
  background: var(--color-highlight);
}

#menu {
  display: flex;
  gap: 30px;
}

.menuboton a {
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding-bottom: 5px;
  transition: color var(--transition-fast);
}

.menuboton a:hover {
  color: var(--color-secondary);
}

/* ========================================= */
/* 2.5 SUBMENÚ DE CATEGORÍAS */
/* ========================================= */
#submenu {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  max-width: var(--max-width);
  margin: 0px auto var(--spacing-medium) auto;
  padding: 10px 20px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-background);
}

#submenu .menuboton a {
  font-family: var(--font-secondary);
  font-size: 0.8rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 0 5px 3px 5px;
  transition: all 0.3s ease;
  border-bottom: 2px solid transparent;
}

#submenu .menuboton a:hover,
#submenu .menuboton a.active {
  color: var(--color-text);
  border-bottom: 2px solid var(--color-text);
}

/* ========================================= */
/* 3. INDICADOR DE CARGA */
/* ========================================= */
#loadingProgress {
  text-align: center;
  margin: 20px 0;
  font-family: var(--font-secondary);
  color: var(--color-secondary);
}

/* ========================================= */
/* 4. GALERÍA DE IMÁGENES */
/* ========================================= */
.gallery-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
  margin-bottom: var(--spacing-large);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}

.gallery-item {
  width: 100%;
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 4px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* ========================================= */
/* 5. SECCIÓN CONTACTO */
/* ========================================= */
#contacto {
  text-align: center;
  padding: var(--spacing-medium) 20px;
  background: var(--color-background);
}

.subtitle {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-text);
}

.contactos {
  font-size: 1.1rem;
  margin: 5px 0;
  color: var(--color-text);
}

.social-icons {
  margin-top: 30px;
}

.social-icons a {
  font-size: 1.8rem;
  margin: 0 15px;
  color: var(--color-text);
  transition: color 0.3s ease, transform 0.3s ease;
}

.social-icons a:hover {
  color: var(--color-secondary);
  transform: translateY(-3px);
}

/* ========================================= */
/* 6. FOOTER */
/* ========================================= */
.copyright-footer {
  text-align: center;
  padding: 20px 0;
  font-size: 0.8rem;
  color: var(--color-secondary);
  background: var(--color-background);
  border-top: 1px solid var(--color-border);
}

/* ========================================= */
/* 7. BOTÓN VOLVER ARRIBA */
/* ========================================= */
#scrollToTopBtn {
  display: none;
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 1500;
  background-color: var(--color-text);
  color: var(--color-background);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0.85;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#scrollToTopBtn:hover {
  opacity: 1;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* ========================================= */
/* 8. MODAL DE CARGA MINIMALISTA */
/* ========================================= */
#loadingModal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    font-family: var(--font-primary);
    padding: 20px;
}

.loading-content {
    background: var(--color-background);
    color: var(--color-text);
    padding: 40px 30px;
    border-radius: 12px;
    max-width: 450px;
    width: 90%;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-border);
}

.camera-loader {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--color-text);
    animation: cameraSpin 2s linear infinite;
}

@keyframes cameraSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-subtitle {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--color-secondary);
}

.progress-container {
    margin: 25px 0;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--color-border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: var(--color-text);
    width: 0%;
    transition: width 0.4s ease;
    border-radius: 3px;
}

.loading-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    gap: 15px;
}

.stat-item {
    text-align: center;
    flex: 1;
}

.stat-number {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: 300;
    display: block;
    color: var(--color-text);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-secondary);
}

.loading-complete {
    display: none;
    margin-top: 20px;
    padding: 15px;
    background: #e8f5e8;
    color: #2e7d32;
    border-radius: 6px;
    font-weight: 500;
    border: 1px solid #c8e6c9;
}

[data-theme="dark"] .loading-complete {
    background: #1e3a1e;
    color: #4caf50;
    border: 1px solid #2e7d32;
}

/* ========================================= */
/* 9. SISTEMA DE LIKES */
/* ========================================= */
.top-photos-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: var(--spacing-large);
}

.top-photo-item {
    position: relative;
    cursor: pointer;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    aspect-ratio: 1 / 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: var(--color-background);
}

.top-photo-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.top-photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.top-photo-item:hover img {
    transform: scale(1.05);
}

.top-photo-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(231, 76, 60, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 20px;
    font-family: var(--font-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    backdrop-filter: blur(10px);
}

.top-photo-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 20px 15px 15px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.top-photo-item:hover .top-photo-info {
    transform: translateY(0);
}

.top-photo-info .category {
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.top-photo-info .likes {
    font-size: 0.8rem;
    opacity: 0.9;
}

/* ========================================= */
/* 10. RESPONSIVE DESIGN */
/* ========================================= */
@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  header {
    padding: 10px 0;
  }

  #firma {
    max-width: 100px;
  }

  #menu-toggle {
    display: block;
  }
  
  #menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-background);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  }
  
  #menu.active {
    display: flex;
  }

  .gallery-container {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    padding: 0 15px;
  }
  
  #submenu {
    margin: 0px auto 20px auto;
    padding: 8px 10px;
    gap: 8px;
  }
  
  #submenu .menuboton a {
    font-size: 0.65rem;
  }
  
  #scrollToTopBtn {
    bottom: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .top-photos-container {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 0 15px;
  }
  
  .subtitle {
    font-size: 1.3rem;
  }
  
  .contactos {
    font-size: 1rem;
  }
  
  .social-icons a {
    font-size: 1.5rem;
    margin: 0 10px;
  }
}

@media (max-width: 480px) {
  .gallery-container {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
    padding: 0 10px;
  }
  
  #submenu {
    gap: 6px;
    padding: 6px 8px;
  }
  
  #submenu .menuboton a {
    font-size: 0.6rem;
    letter-spacing: 1px;
  }
  
  .top-photos-container {
    grid-template-columns: 1fr;
    gap: 15px;
    padding: 0 10px;
  }
  
  .loading-content {
    padding: 30px 20px;
  }
  
  .camera-loader {
    font-size: 2.5rem;
  }
  
  .loading-subtitle {
    font-size: 1rem;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
}