/* 
 * Global Styles & Theme Configuration
 * Design Philosophy: High-end, Modern, Minimalist
 */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500&family=Noto+Serif+SC:wght@300;400&family=Noto+Sans+SC:wght@300;400;500&display=swap');

:root {
  /* Color Palette */
  --color-bg-primary: #1A1A1A;
  --color-bg-secondary: #2C2C2C;
  --color-text-primary: #FAF9F6;
  --color-text-secondary: #CCCCCC;
  --color-accent-copper: #B87333;
  --color-accent-blue: #0F3460;
  
  /* Pico CSS Overrides for Dark Theme */
  --pico-background-color: var(--color-bg-primary);
  --pico-color: var(--color-text-primary);
  --pico-muted-color: var(--color-text-secondary);
  --pico-primary: var(--color-text-primary);
  --pico-primary-background: var(--color-text-primary);
  --pico-primary-hover: var(--color-accent-copper);
  --pico-card-background-color: var(--color-bg-secondary);
  --pico-border-radius: 0px; /* Minimalist sharp edges */
  --pico-typography-spacing-vertical: 1.5rem;
  
  /* Fonts */
  --font-heading: 'Montserrat', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', 'Noto Serif SC', sans-serif;
  
  /* Spacing */
  --spacing-container: 120px;
  --spacing-section: 8rem;
}

/* =========================================
   Global Reset & Typography
   ========================================= */
body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  margin: 0;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 300; /* Light weight for elegance */
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-primary);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-accent-copper);
}

/* Container Utility */
.container-fluid {
  max-width: 100%;
  padding: 0;
}

.section-padding {
  padding: var(--spacing-section) 5%;
}

/* =========================================
   Navigation (Transparent to Solid)
   ========================================= */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.4s ease, padding 0.4s ease;
  background: linear-gradient(to bottom, rgba(0,0,0,0.5), transparent);
}

.main-nav.scrolled {
  background-color: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 3rem;
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-text-primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 3rem;
  margin: 0;
  padding: 0;
}

.nav-menu li a {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  opacity: 0.8;
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -5px;
  left: 0;
  background-color: var(--color-accent-copper);
  transition: width 0.3s ease;
}

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

.nav-menu li a:hover,
.nav-menu li a.active {
  opacity: 1;
  color: var(--color-text-primary);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
}

/* =========================================
   Hero Section (Index)
   ========================================= */
.hero-slider {
  position: relative;
  height: 100vh;
  width: 100%;
  overflow: hidden;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  background-size: cover;
  background-position: center;
}

.slide.active {
  opacity: 1;
}

.slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.3); /* Overlay for text readability */
}

.hero-content {
  position: absolute;
  bottom: 15%;
  left: 5%;
  color: #fff;
  z-index: 10;
  max-width: 600px;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  border-left: 2px solid var(--color-accent-copper);
  padding-left: 1rem;
}

/* =========================================
   Collections Grid (Shared Component)
   ========================================= */
.grid-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.collection-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.collection-img-wrapper {
  overflow: hidden;
  width: 100%;
  padding-top: 133%; /* Aspect Ratio 3:4 */
  position: relative;
}

.collection-img-wrapper img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.collection-info {
  margin-top: 1.5rem;
  text-align: center;
}

.collection-title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.1em;
}

.collection-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-family: var(--font-body);
}

/* =========================================
   Craftsmanship Section
   ========================================= */
.craft-detail {
  display: flex;
  align-items: center;
  gap: 4rem;
  margin-bottom: 6rem;
}

.craft-detail:nth-child(even) {
  flex-direction: row-reverse;
}

.craft-text {
  flex: 1;
  padding: 2rem;
}

.craft-image {
  flex: 1;
  height: 600px;
  overflow: hidden;
}

.craft-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%);
  transition: filter 0.5s ease;
}

.craft-image:hover img {
  filter: grayscale(0%);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* =========================================
   Styling Section
   ========================================= */
.style-lookbook {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 80vh;
}

.style-image {
  position: relative;
  height: 100%;
}

.style-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.style-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem;
  background-color: var(--color-bg-secondary);
}

.style-layer-list {
  list-style: none;
  padding: 0;
  margin-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.style-layer-list li {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.style-layer-list li span:first-child {
  color: var(--color-text-primary);
  font-weight: 500;
}

/* =========================================
   Philosophy Page
   ========================================= */
.philosophy-hero {
  height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--color-bg-secondary);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 4rem auto;
  padding-left: 2rem;
  border-left: 1px solid var(--color-accent-copper);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  padding-left: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.4rem;
  top: 0.2rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent-copper);
}

.timeline-year {
  font-size: 0.9rem;
  color: var(--color-accent-copper);
  margin-bottom: 0.5rem;
  display: block;
}

/* =========================================
   Footer
   ========================================= */
.main-footer {
  text-align: center;
  padding: 2rem;
  background-color: #111;
  color: #666;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  border-top: 1px solid #222;
}

/* =========================================
   Responsive Adjustments
   ========================================= */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.5rem; }
  .grid-container { grid-template-columns: repeat(2, 1fr); }
  .craft-detail { flex-direction: column !important; gap: 2rem; }
  .craft-image { height: 400px; width: 100%; }
}

@media (max-width: 768px) {
  .main-nav { padding: 1rem; }
  .nav-menu { display: none; } /* Simplified for prototype */
  .mobile-toggle { display: block; color: #fff; }
  
  /* Mobile Menu basic implementation */
  .nav-menu.mobile-active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background: var(--color-bg-secondary);
    padding: 2rem;
    gap: 1.5rem;
  }
  
  .hero-content { bottom: 10%; width: 90%; }
  .grid-container { grid-template-columns: 1fr; }
  .style-lookbook { grid-template-columns: 1fr; }
  .style-image { height: 50vh; }
}

/* =========================================
   Animations
   ========================================= */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

/* Preloader Slot */
.content-slot {
  min-height: 200px;
}