/* ==========================================================================
   CeNCE Landing Page Styles
   ========================================================================== */

/* ==========================================================================
   1. Base & Reset
   ========================================================================== */

   * {
    box-sizing: border-box;
  }
  
  /* ==========================================================================
     2. CSS Custom Properties (Design Tokens)
     ========================================================================== */
  
  :root {
    /* Colors */
    --color-primary: #ef7c00;
    --color-primary-hover: #ff9922;
    --color-text: #333;
    --color-text-muted: #666;
    --color-white: #fff;
    --color-black: #000;
    --color-overlay: rgba(0, 0, 0, 0.6);
    --color-overlay-light: rgba(255, 255, 255, 0.15);
    --color-overlay-light-hover: rgba(255, 255, 255, 0.25);
    --color-border: rgba(0, 0, 0, 0.15);
    --color-primary-transparent: rgba(239, 124, 0, 0.1);
    --color-shadow: rgba(239, 124, 0, 0.25);
  
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Poppins', sans-serif;
  
    /* Spacing */
    --spacing-xs: 0.375rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
  
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-full: 30px;
  
    /* Transitions */
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-duration: 0.3s;
    --transition-duration-slow: 0.5s;
    --transition-duration-slower: 0.7s;
  
    /* Layout */
    --max-width: 1600px;
    --grid-gap: 1.5rem;
  }
  
  /* ==========================================================================
     3. Page Hero Section
     ========================================================================== */
  
    .section-header {
        text-align: center;
        padding: var(--spacing-xl) 0;
      }
      
    .section-header h2 {
        font-family: var(--font-display);
        font-size: 3rem;
        font-weight: 400;
        color: var(--color-text);
        letter-spacing: -0.02em;
        display: inline-block;
        position: relative;
      }
      
    .section-header h2::after {
        content: '';
        position: absolute;
        bottom: -8px;
        left: 50%;
        transform: translateX(-50%);
        width: 60px;
        height: 3px;
        background: var(--color-primary);
        border-radius: 2px;
      }
  
  /* ==========================================================================
     4. Filter Bar
     ========================================================================== */
  
  .filter-bar {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-2xl);
    flex-wrap: wrap;
  }
  
  .filter-btn {
    padding: 0.625rem 1.25rem;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-duration) var(--transition-smooth);
  }
  
  .filter-btn:hover,
  .filter-btn.active {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-transparent);
  }
  
  /* ==========================================================================
     5. Gallery Section & Masonry Grid
     ========================================================================== */
  
  .gallery-section {
    padding: 0 var(--spacing-xl) var(--spacing-3xl);
    max-width: var(--max-width);
    margin: 0 auto;
  }
  
  .masonry-grid {
    columns: 4;
    column-gap: var(--grid-gap);
  }
  
  /* ==========================================================================
     6. News Card Component
     ========================================================================== */
  
  .news-card {
    break-inside: avoid;
    margin-bottom: var(--grid-gap);
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transform: translateY(0);
    transition: 
      transform var(--transition-duration-slow) var(--transition-smooth),
      box-shadow var(--transition-duration-slow) var(--transition-smooth);
    background: var(--color-white);
  }
  
  .news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px -20px var(--color-shadow);
  }
  
  /* Card Image */
  .news-card__image-wrapper {
    position: relative;
    overflow: hidden;
    display: block;
    min-height: 200px;
  }
  
  .news-card__image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    min-height: inherit;
    transition: 
      transform var(--transition-duration-slower) var(--transition-smooth),
      filter var(--transition-duration-slow) var(--transition-smooth);
  }
  
  .news-card:hover .news-card__image {
    transform: scale(1.08);
    filter: brightness(0.35);
  }
  
  /* Card Overlay */
  .news-card__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-lg);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--transition-smooth);
  }
  
  .news-card:hover .news-card__overlay {
    opacity: 1;
    pointer-events: auto;
  }
  
  /* Card Title */
  .news-card__title {
    display: -webkit-box;
    -webkit-line-clamp: 3; /* limit to 3 lines */
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-family: var(--font-display);
    font-size: clamp(0.9rem, 2.5vw, 1.25rem);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    text-align: left;
    transform: translateY(20px);
    transition: transform var(--transition-duration-slow) var(--transition-smooth) 0.1s;
  }
  
  .news-card:hover .news-card__title {
    transform: translateY(0);
  }
  
  /* Card Actions */
  .news-card__actions {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--spacing-xs);
    transform: translateY(20px);
    opacity: 0;
    transition: 
      transform var(--transition-duration-slow) var(--transition-smooth) 0.2s,
      opacity var(--transition-duration-slow) var(--transition-smooth) 0.2s;
  }
  
  .news-card:hover .news-card__actions {
    transform: translateY(0);
    opacity: 1;
  }

  /* Allow buttons to shrink within card actions */
  .news-card__actions .btn {
    flex-shrink: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Icon-only buttons when columns are narrow (3+ columns on medium screens) */
  @media (min-width: 901px) and (max-width: 1400px) {
    .news-card__actions .btn span {
      display: none;
    }
    
    .news-card__actions .btn {
      padding: clamp(0.4rem, 1vw, 0.625rem);
      gap: 0;
    }
    
    .news-card__actions .btn i {
      margin: 0;
    }
  }
  
  /* Gradient Border Effect */
  .news-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    padding: 2px;
    background: linear-gradient(135deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
    -webkit-mask: 
      linear-gradient(#fff 0 0) content-box, 
      linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-duration-slow) var(--transition-smooth);
    pointer-events: none;
    z-index: 10;
  }
  
  .news-card:hover::before {
    opacity: 1;
  }
  
  /* ==========================================================================
     7. Button Components
     ========================================================================== */
  
  .btn {
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: clamp(0.65rem, 1.5vw, 0.75rem);
    padding: clamp(0.4rem, 1vw, 0.625rem) clamp(0.6rem, 1.5vw, 1rem);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all var(--transition-duration) var(--transition-smooth);
    border: none;
    cursor: pointer;
  }
  
  .btn i {
    font-size: 0.75rem;
  }
  
  /* Primary Button */
  .btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
  }
  
  .btn--primary:hover {
    background: var(--color-primary-hover);
    transform: scale(1.05);
  }
  
  /* Secondary Button */
  .btn--secondary {
    background: var(--color-overlay-light);
    color: var(--color-white);
    backdrop-filter: blur(10px);
  }
  
  .btn--secondary:hover {
    background: var(--color-overlay-light-hover);
  }
  
  /* Large Button (for Archive) */
  .btn--large {
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: var(--radius-sm);
  }
  
  /* ==========================================================================
     8. Section Title
     ========================================================================== */
  
  .section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-xl);
  }
  
  .section-title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-duration) ease;
  }
  
  .section-title a:hover {
    color: var(--color-primary);
  }
  
  /* ==========================================================================
     9. Archive Section
     ========================================================================== */
  
  .archive-section {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-3xl);
  }
  
  .archive-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: 
      background var(--transition-duration) var(--transition-smooth),
      transform var(--transition-duration) var(--transition-smooth),
      box-shadow var(--transition-duration) var(--transition-smooth);
  }
  
  .archive-btn:hover {
    background: var(--color-primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px -10px var(--color-shadow);
  }
  
  .archive-btn i {
    font-size: 1rem;
  }
  
  /* ==========================================================================
     10. Animations
     ========================================================================== */
  
  .news-card {
    animation: fadeInUp 0.8s var(--transition-smooth) backwards;
  }
  
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(40px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* ==========================================================================
     11. Responsive Design
     ========================================================================== */
  
  /* Large screens */
  @media (max-width: 1200px) {
    .masonry-grid {
      columns: 3;
    }
  }
  
  /* Medium screens */
  @media (max-width: 900px) {
    .masonry-grid {
      columns: 2;
    }
  }
  
  /* Small screens */
  @media (max-width: 768px) {
    .page-hero {
      padding: var(--spacing-md) var(--spacing-xl);
    }
  
    .filter-bar {
      padding: var(--spacing-md) var(--spacing-md) var(--spacing-xl);
    }
  }
  
  /* Extra small screens */
  @media (max-width: 600px) {
    .masonry-grid {
      columns: 1;
    }
  
    .gallery-section {
      padding: 0 var(--spacing-md) var(--spacing-2xl);
    }
  
    .archive-btn {
      padding: 0.875rem 1.5rem;
      font-size: 1rem;
    }
  }