/* main.css */
:root {
  --color-brand-cream: #F4F1ED;
  --color-brand-brown: #32251D;
  --color-brand-gray: #6C6861;
  --color-brand-white: #FFFFFF;
  --color-text-primary: var(--color-brand-brown);
  --color-text-secondary: var(--color-brand-gray);
  --color-bg-primary: var(--color-brand-white);
  --color-bg-secondary: var(--color-brand-cream);

  --font-heading: 'Playfair Display', serif;
  --font-body: 'Lato', sans-serif;
  
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-medium: 0.4s ease-in-out;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  overflow-x: hidden;
}

h1, h2, h3, .logo {
  font-family: var(--font-heading);
  font-weight: 400;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  transition: background-color var(--transition-medium);
}

header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-bottom: 1px solid rgba(50, 37, 29, 0.1);
}

.logo {
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-white);
  transition: color var(--transition-medium);
}

header.scrolled .logo, header.scrolled nav a {
  color: var(--color-text-primary);
}

.logo span {
  font-weight: 700;
}

nav ul {
  display: flex;
  gap: var(--spacing-md);
}

nav a {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  position: relative;
  transition: color var(--transition-medium);
  color: var(--color-brand-white);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: currentColor;
  transition: width var(--transition-medium);
}

.lang-separator {
  margin: 0 4px;
  opacity: 0.5;
  transition: color var(--transition-medium);
  color: var(--color-brand-white);
}
header.scrolled .lang-separator {
  color: var(--color-text-primary);
}
.lang-active {
  font-weight: bold;
  pointer-events: none;
}
.lang-inactive {
  opacity: 0.7;
}
.lang-inactive:hover {
  opacity: 1;
}

nav a:hover::after, nav a.active::after {
  width: 100%;
}

/* Dropdown Menu */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  min-width: 180px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  gap: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
  padding: 0.5rem 0;
  border-radius: 4px;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.dropdown-menu li {
  list-style: none;
}

.dropdown-menu a {
  color: var(--color-text-primary);
  display: block;
  padding: 0.8rem 1.5rem;
  font-size: 0.8rem;
  text-align: center;
}

.dropdown-menu a::after {
  display: none; /* Hide underline in dropdown */
}

.dropdown-menu a:hover {
  background-color: var(--color-bg-secondary);
}

header:not(.scrolled) .dropdown-menu {
  background-color: rgba(50, 37, 29, 0.9);
}

header:not(.scrolled) .dropdown-menu a {
  color: var(--color-brand-white);
}

header:not(.scrolled) .dropdown-menu a:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  transform: scale(1.05);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(50, 37, 29, 0.3), rgba(0, 0, 0, 0.2));
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-brand-white);
  padding: var(--spacing-md);
}

.hero-title {
  font-size: clamp(3rem, 6vw, 6rem);
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-style: italic;
  font-weight: 300;
  letter-spacing: 0.1em;
  max-width: 600px;
  margin: 0 auto;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-brand-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 1;
}

.scroll-indicator::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background-color: var(--color-brand-white);
  margin-top: 10px;
  animation: scrollLine 2s infinite cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* About Section */
.about {
  padding: var(--spacing-xl) var(--spacing-lg);
  background-color: var(--color-bg-secondary);
  text-align: center;
  max-width: 100%;
}

.about-container {
  max-width: 800px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
  color: var(--color-text-primary);
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background-color: var(--color-text-primary);
  margin: 1rem auto 0;
}

.about-text {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

/* Catalog Gallery */
.catalog {
  padding: var(--spacing-xl) var(--spacing-lg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3/4;
}

/* Asymmetrical Grid Layout */
.gallery-item:nth-child(1) { grid-column: span 6; aspect-ratio: 16/9; }
.gallery-item:nth-child(2) { grid-column: span 6; aspect-ratio: 16/9; }
.gallery-item:nth-child(3) { grid-column: span 4; }
.gallery-item:nth-child(4) { grid-column: span 4; }
.gallery-item:nth-child(5) { grid-column: span 4; }

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(50, 37, 29, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-medium);
}

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

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.category-name {
  color: var(--color-brand-white);
  font-family: var(--font-heading);
  font-size: 2rem;
  letter-spacing: 0.1em;
  transform: translateY(20px);
  transition: transform var(--transition-medium);
}

.gallery-item:hover .category-name {
  transform: translateY(0);
}

/* Footer */
footer {
  background-color: var(--color-brand-brown);
  color: var(--color-brand-white);
  padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-md);
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-links a {
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: opacity var(--transition-medium);
}

.footer-links a:hover {
  opacity: 0.7;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.05em;
}

/* Tech Sheet & Tour Card (Rustic Luxury) */
.tour-card {
  display: flex;
  background-color: var(--color-bg-primary);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  border: 1px solid rgba(50, 37, 29, 0.1);
  overflow: hidden;
}

.tour-card-image {
  flex: 1 1 50%;
  position: relative;
}

.tour-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 500px;
}

.tour-card-content {
  flex: 1 1 50%;
  padding: var(--spacing-xl) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tour-meta {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(50, 37, 29, 0.2);
}

.tour-meta-item {
  display: flex;
  margin-bottom: 1rem;
}

.tour-meta-label {
  font-family: var(--font-heading);
  font-weight: 700;
  width: 180px;
  color: var(--color-brand-brown);
}

.tour-meta-value {
  color: var(--color-text-secondary);
  flex-grow: 1;
  line-height: 1.6;
}

/* Carousel Gallery */
.carousel-container {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  width: 100%;
}
.carousel-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  gap: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  /* Hide scrollbar */
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.carousel-track::-webkit-scrollbar {
  display: none;
}
.carousel-img {
  flex: 0 0 auto;
  width: 85%;
  max-width: 600px;
  aspect-ratio: 4/3;
  object-fit: cover;
  scroll-snap-align: center;
}
@media (min-width: 768px) {
  .carousel-img {
    width: 45%;
    aspect-ratio: 16/9;
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .gallery-item:nth-child(1),
  .gallery-item:nth-child(2) { grid-column: span 12; }
  .gallery-item:nth-child(3),
  .gallery-item:nth-child(4),
  .gallery-item:nth-child(5) { grid-column: span 6; }
}

@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 1rem;
    padding: var(--spacing-sm);
  }
  
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
  
  .gallery-grid {
    gap: 1rem;
  }

  .gallery-item:nth-child(n) {
    grid-column: span 12 !important;
    aspect-ratio: 4/3;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .about, .catalog, footer {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }
  
  .tour-card {
    flex-direction: column;
  }
  
  .tour-card-content {
    padding: var(--spacing-md);
  }
  
  .tour-meta-item {
    flex-direction: column;
  }
  
  .tour-meta-label {
    width: 100%;
    margin-bottom: 0.25rem;
  }
}

/* Gallery - Gapless Grid */
.masonry-grid-no-gap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0;
  padding: 0;
  margin: 0;
  width: 100%;
}
.masonry-grid-no-gap img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  display: block;
  transition: opacity 0.3s ease;
}
.masonry-grid-no-gap img:hover {
  opacity: 0.85;
}
@media (min-width: 1024px) {
  .masonry-grid-no-gap {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1600px) {
  .masonry-grid-no-gap {
    grid-template-columns: repeat(4, 1fr);
  }
}