/* 
 * Project: High-End Menswear Gallery
 * Style: Minimalist, Modern, Dark Theme
 */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=Inter:wght@300;400;500&display=swap');

:root {
  /* Color Palette */
  --primary-dark: #0A0A0A;
  --primary-light: #FFFFFF;
  --accent-gray: #2A2A2A;
  --secondary-gray: #888888;
  --hover-gray: #3A3A3A;
  
  /* Spacing */
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  
  /* Transitions */
  --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--primary-dark);
  color: var(--primary-light);
  font-family: var(--font-serif);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); margin-bottom: var(--spacing-md); }
h3 { font-size: 1.5rem; letter-spacing: 0.05em; text-transform: uppercase; }

p {
  color: #CCCCCC;
  margin-bottom: var(--spacing-sm);
  max-width: 60ch;
}

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

/* Utilities */
.container {
  width: 90%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.text-center { text-align: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.uppercase { text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.875rem; font-family: var(--font-sans); }

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-md) 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform var(--transition-fast);
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  color: var(--secondary-gray);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-light);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--primary-light);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

/* Buttons */
.btn-minimal {
  display: inline-block;
  padding: 1rem 2rem;
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--primary-light);
  font-family: var(--font-sans);
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  text-transform: uppercase;
  transition: all var(--transition-fast);
  background: transparent;
  cursor: pointer;
}

.btn-minimal:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  border-color: var(--primary-light);
}

/* Hero Section */
.hero {
  height: 100vh;
  width: 100%;
  position: relative;
  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;
  opacity: 0.6;
  transition: transform 10s ease;
}

.hero-content {
  text-align: center;
  z-index: 1;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s var(--transition-slow) forwards 0.5s;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  opacity: 0.7;
}

/* Sections */
section {
  padding: var(--spacing-xl) 0;
}

/* Grid Layouts */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  align-items: center;
}

/* Image Cards */
.img-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
}

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

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

.img-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-md);
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-fast);
}

.img-card:hover .img-overlay {
  opacity: 1;
  transform: translateY(0);
}

/* Filters (Collections Page) */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: none;
  color: var(--secondary-gray);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: all var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
  color: var(--primary-light);
  border-bottom-color: var(--primary-light);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--accent-gray);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
  text-align: center;
}

.footer-logo {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-md);
  display: block;
}

/* Animations */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
  40% { transform: translateY(-10px) translateX(-50%); }
  60% { transform: translateY(-5px) translateX(-50%); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Responsive */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
  }

  .grid-2 { grid-template-columns: 1fr; }
  
  .navbar { padding: 1.5rem; justify-content: center; }
  .nav-links { display: none; } /* Simplified for MVP, real would use hamburger */
  
  /* Mobile Nav Alternative - Bottom simple bar or simplified top */
  .mobile-nav-visible .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--primary-dark);
    flex-direction: column;
    padding: 1rem;
    text-align: center;
  }
}

/* Custom Slot Placeholder */
.dynamic-slot {
  display: contents;
}