@layer reset, base, theme, components, layout, pages, utilities;

/* -------------------------------------------------------------
   GOOGLE FONTS IMPORT
   ------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400..700;1,400..700&family=Outfit:wght@100..900&family=Fira+Code:wght@300..700&display=swap');

/* -------------------------------------------------------------
   THEME LAYER: DESIGN TOKENS
   ------------------------------------------------------------- */
@layer theme {
  :root {
    /* Color Palette - Premium Light Theme Forest Vibe */
    --bg-primary: hsl(80, 20%, 97%);        /* Light Sage-Cream background */
    --bg-surface: hsl(0, 0%, 100%);         /* Pure white surfaces */
    --bg-surface-glass: rgba(255, 255, 255, 0.85); /* Crisp glassmorphism base */
    
    --color-primary: hsl(145, 30%, 15%);    /* Deep rich Pine green for headings/accents */
    --color-accent: hsl(140, 22%, 38%);     /* Moss green for interactive highlights */
    --color-accent-hover: hsl(145, 28%, 24%);/* Slightly darker moss green for hovers */
    --color-accent-light: hsl(140, 25%, 91%);/* Very soft light green background tint */
    
    --color-text: hsl(140, 18%, 18%);       /* Olive-Charcoal body copy */
    --color-text-muted: hsl(140, 10%, 45%); /* Neutral Sage grey */
    --border-color: hsl(140, 15%, 88%);     /* Light sage divider borders */
    
    /* Typography System */
    --font-sans: 'Outfit', system-ui, -apple-system, sans-serif;
    --font-serif: 'Lora', Georgia, serif;
    --font-mono: 'Fira Code', monospace;
    
    /* Spacing & Sizing Scale */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-xxl: 5rem;
    
    /* Layout Constants */
    --max-width: 1200px;
    --header-height: 80px;
    --header-height-shrink: 60px;
    
    /* Borders & Shadow System */
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 24px;
    --border-radius-full: 9999px;
    
    --shadow-sm: 0 2px 8px hsla(145, 30%, 15%, 0.04);
    --shadow-md: 0 8px 24px hsla(145, 30%, 15%, 0.08);
    --shadow-lg: 0 16px 48px hsla(145, 30%, 15%, 0.12);
    
    /* Transitions & Timings */
    --transition-smooth: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: 0.15s ease;
    --transition-bounce: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  }
}

/* -------------------------------------------------------------
   RESET LAYER: HTML5 PRESETS
   ------------------------------------------------------------- */
@layer reset {
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }
  
  body {
    background-color: var(--bg-primary);
    color: var(--color-text);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }
  
  img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
  }
  
  button, input, select, textarea {
    font: inherit;
    color: inherit;
  }
  
  a {
    text-decoration: none;
    color: inherit;
  }
  
  ul, ol {
    list-style: none;
  }
}

/* -------------------------------------------------------------
   BASE LAYER: GLOBAL STYLES & PREFERENCES
   ------------------------------------------------------------- */
@layer base {
  h1, h2, h3, h4, h5, h6 {
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.2;
    text-wrap: balance;
  }
  
  p {
    text-wrap: pretty;
  }
  
  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  textarea:focus-visible,
  select:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
  }
  
  ::selection {
    background-color: var(--color-accent-light);
    color: var(--color-primary);
  }
  
  main {
    flex-grow: 1;
    padding-top: var(--header-height);
  }
  
  /* Scrollbar theming */
  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }
  ::-webkit-scrollbar-track {
    background: var(--bg-primary);
  }
  ::-webkit-scrollbar-thumb {
    background: var(--color-accent-light);
    border: 2px solid var(--bg-primary);
    border-radius: var(--border-radius-full);
  }
  ::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
  }
}

/* -------------------------------------------------------------
   LAYOUT LAYER: HEADER, FOOTER & GRIDS
   ------------------------------------------------------------- */
@layer layout {
  .container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--space-md);
  }
  
  /* Navigation Bar styling */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--bg-surface-glass);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: height var(--transition-smooth), background-color var(--transition-smooth), box-shadow var(--transition-smooth);
    display: flex;
    align-items: center;
  }
  
  .site-header.shrunk {
    height: var(--header-height-shrink);
    box-shadow: var(--shadow-sm);
    background-color: rgba(255, 255, 255, 0.95);
  }
  
  .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }
  
  /* Logo */
  .logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    transition: transform var(--transition-smooth);
  }
  .logo:hover {
    transform: scale(1.02);
  }
  .logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 50% 50% 50% 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 900;
    font-size: 0.9rem;
  }
  
  /* Navigation links */
  .nav-menu {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
  }
  
  .nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-muted);
    position: relative;
    padding-block: var(--space-xs);
    transition: color var(--transition-fast);
  }
  
  .nav-link:hover,
  .nav-link.active {
    color: var(--color-primary);
  }
  
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-smooth);
  }
  
  .nav-link:hover::after,
  .nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
  }
  
  /* Mobile Navigation Controls (CSS-Only Drawer) */
  .nav-toggle-input {
    display: none;
  }
  
  .nav-toggle-label {
    display: none;
    cursor: pointer;
    width: 24px;
    height: 24px;
    position: relative;
    z-index: 1010;
  }
  
  .nav-toggle-label span,
  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    position: absolute;
    transition: transform var(--transition-smooth), top var(--transition-smooth);
  }
  
  .nav-toggle-label span::before {
    content: '';
    top: -8px;
  }
  
  .nav-toggle-label span::after {
    content: '';
    top: 8px;
  }
  
  /* Grid Layout Helpers */
  .grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
  
  .grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
  
  .grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
  }
  
  /* Responsive breakpoint triggers */
  @media (max-width: 992px) {
    .grid-4 {
      grid-template-columns: repeat(2, 1fr);
    }
    .grid-3 {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (max-width: 768px) {
    .nav-toggle-label {
      display: block;
    }
    
    .nav-menu {
      position: fixed;
      top: 0;
      right: 0;
      width: 280px;
      height: 100vh;
      background-color: var(--bg-surface);
      box-shadow: var(--shadow-lg);
      flex-direction: column;
      align-items: flex-start;
      padding: var(--space-xxl) var(--space-lg) var(--space-lg);
      gap: var(--space-md);
      transform: translateX(100%);
      transition: transform var(--transition-smooth);
      z-index: 1005;
    }
    
    .nav-toggle-input:checked ~ .nav-menu {
      transform: translateX(0);
    }
    
    .nav-toggle-input:checked ~ .nav-toggle-label span {
      background-color: transparent;
    }
    
    .nav-toggle-input:checked ~ .nav-toggle-label span::before {
      top: 0;
      transform: rotate(45deg);
    }
    
    .nav-toggle-input:checked ~ .nav-toggle-label span::after {
      top: 0;
      transform: rotate(-45deg);
    }
    
    .grid-2, .grid-3 {
      grid-template-columns: 1fr;
    }
  }
  
  /* Footer design */
  .site-footer {
    background-color: var(--color-primary);
    color: var(--color-accent-light);
    padding-block: var(--space-xxl) var(--space-md);
    margin-top: var(--space-xxl);
    border-top: 4px solid var(--color-accent);
  }
  
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
  }
  
  .footer-brand h3 {
    color: white;
    margin-bottom: var(--space-xs);
    font-size: 1.5rem;
  }
  .footer-brand p {
    color: var(--color-accent-light);
    opacity: 0.85;
    font-size: 0.95rem;
    max-width: 320px;
  }
  .footer-logo-icon {
    background: white;
    color: var(--color-primary);
  }
  
  .footer-links h4 {
    color: white;
    margin-bottom: var(--space-md);
    font-size: 1.1rem;
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: var(--space-xs);
    display: inline-block;
  }
  
  .footer-links a {
    display: block;
    color: var(--color-accent-light);
    opacity: 0.8;
    margin-bottom: var(--space-xs);
    font-size: 0.9rem;
    transition: opacity var(--transition-fast), color var(--transition-fast), padding var(--transition-smooth);
  }
  
  .footer-links a:hover {
    opacity: 1;
    color: white;
    padding-left: 4px;
  }
  
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-md);
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-accent-light);
    opacity: 0.7;
  }
  
  @media (max-width: 768px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: var(--space-md);
    }
  }
}

/* -------------------------------------------------------------
   COMPONENTS LAYER: BUTTONS, CARDS & INTERACTIVES
   ------------------------------------------------------------- */
@layer components {
  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    font-size: 0.95rem;
    transition: all var(--transition-smooth);
    cursor: pointer;
    border: 2px solid transparent;
  }
  
  .btn-primary {
    background-color: var(--color-accent);
    color: white;
  }
  .btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
  
  .btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-accent);
  }
  .btn-secondary:hover {
    background-color: var(--color-accent-light);
    transform: translateY(-2px);
  }
  
  .btn-ghost {
    background: transparent;
    color: var(--color-accent);
    padding: var(--space-xs) var(--space-xs);
  }
  .btn-ghost:hover {
    color: var(--color-primary);
    background-color: var(--color-accent-light);
  }
  
  /* Cards System */
  .card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
  }
  .card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
  }
  
  /* Brand visual status badge/tag */
  .badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    background-color: var(--color-accent-light);
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--border-radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  
  /* Hero headers */
  .hero-block {
    text-align: center;
    padding-block: var(--space-xxl) var(--space-xl);
    position: relative;
    overflow: hidden;
  }
  
  .hero-title {
    font-size: clamp(2rem, 1.5rem + 4dvw, 4.5rem);
    letter-spacing: -0.03em;
    margin-bottom: var(--space-sm);
  }
  
  .hero-gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  
  .hero-subtitle {
    font-size: clamp(1rem, 0.95rem + 1dvw, 1.4rem);
    color: var(--color-text-muted);
    max-width: 680px;
    margin-inline: auto;
    margin-bottom: var(--space-lg);
  }
  
  /* Page sections */
  .section-pad {
    padding-block: var(--space-xxl);
  }
  .section-title {
    font-size: clamp(1.8rem, 1.5rem + 2dvw, 2.8rem);
    text-align: center;
    margin-bottom: var(--space-md);
    position: relative;
  }
  
  .section-desc {
    text-align: center;
    color: var(--color-text-muted);
    max-width: 600px;
    margin-inline: auto;
    margin-bottom: var(--space-xl);
  }
}

/* -------------------------------------------------------------
   PAGES LAYER: SPECIFIC BRAND THEMINGS & VIEWS
   ------------------------------------------------------------- */
@layer pages {
  /* =========================================================
     HOME (UMBRELLA) PAGE
     ========================================================= */
  .brand-grid-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
  }
  .brand-grid-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-accent);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform var(--transition-smooth);
  }
  .brand-grid-card:hover::before {
    transform: scaleY(1);
    transform-origin: top;
  }
  
  .brand-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
  }
  
  .brand-card-desc {
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    flex-grow: 1;
    font-size: 0.95rem;
  }
  
  .brand-card-footer {
    margin-top: auto;
    padding-top: var(--space-xs);
    border-top: 1px solid var(--border-color);
  }
  
  /* Philosophy Callout */
  .philosophy-container {
    background-color: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
  }
  .philosophy-container::after {
    content: '';
    position: absolute;
    bottom: -120px;
    right: -120px;
    width: 240px;
    height: 240px;
    background-color: var(--color-accent-light);
    border-radius: 50%;
    opacity: 0.5;
    z-index: 1;
  }
  .philosophy-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
  }
  
  /* Stats Display */
  .stats-strip {
    background-color: var(--color-primary);
    color: white;
    padding-block: var(--space-xl);
    text-align: center;
    border-radius: var(--border-radius-lg);
    margin-block: var(--space-xxl);
  }
  .stat-item h3 {
    color: white;
    font-size: 3rem;
    font-weight: 800;
  }
  .stat-item p {
    color: var(--color-accent-light);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  
  /* =========================================================
     DESIGNERS INBORN PAGE
     ========================================================= */
  .designers-hero {
    background: radial-gradient(circle at top right, var(--color-accent-light) 0%, transparent 60%);
  }
  
  .filter-bar {
    display: flex;
    justify-content: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
  }
  
  .filter-btn {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.2rem;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
  }
  
  .filter-btn:hover,
  .filter-btn.active {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
  }
  
  .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-md);
  }
  
  .gallery-item {
    background: var(--bg-surface);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-smooth);
    opacity: 1;
    transform: scale(1);
  }
  
  .gallery-item.hidden {
    opacity: 0;
    transform: scale(0.9);
    display: none;
  }
  
  .gallery-img-container {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    background-color: var(--color-accent-light);
  }
  
  .gallery-img-overlay {
    position: absolute;
    inset: 0;
    background: rgba(19, 42, 19, 0.4);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-smooth);
  }
  
  .gallery-item:hover .gallery-img-overlay {
    opacity: 1;
  }
  
  .gallery-info {
    padding: var(--space-md);
  }
  
  .gallery-info h3 {
    font-size: 1.2rem;
    margin-bottom: var(--space-xs);
  }
  
  /* =========================================================
     INBORN DEVELOPERS PAGE
     ========================================================= */
  .developers-hero {
    background: radial-gradient(circle at top left, var(--color-accent-light) 0%, transparent 60%);
  }
  
  /* Code blocks & Terminal Mockup */
  .terminal-box {
    background-color: hsl(140, 30%, 8%);
    color: hsl(120, 100%, 75%);
    font-family: var(--font-mono);
    border-radius: var(--border-radius-md);
    border: 1px solid hsl(140, 30%, 15%);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
  }
  
  .terminal-header {
    background-color: hsl(140, 20%, 13%);
    padding: var(--space-xs) var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid hsl(140, 30%, 10%);
  }
  
  .terminal-buttons {
    display: flex;
    gap: 6px;
  }
  
  .terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
  }
  .term-red { background-color: #ff5f56; }
  .term-yellow { background-color: #ffbd2e; }
  .term-green { background-color: #27c93f; }
  
  .terminal-title {
    color: hsl(140, 10%, 60%);
    font-size: 0.8rem;
  }
  
  .terminal-body {
    padding: var(--space-md);
    height: 380px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    font-size: 0.9rem;
    scroll-behavior: smooth;
  }
  
  .terminal-line {
    line-height: 1.4;
  }
  .term-prompt {
    color: hsl(145, 80%, 45%);
    font-weight: bold;
  }
  .term-response {
    color: hsl(140, 10%, 80%);
    padding-left: var(--space-xs);
  }
  .term-highlight {
    color: hsl(80, 100%, 65%);
  }
  
  .terminal-interactive {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: auto;
    border-top: 1px solid hsl(140, 30%, 15%);
    padding-top: var(--space-sm);
  }
  
  .terminal-input {
    background: transparent;
    border: none;
    outline: none;
    color: white;
    flex-grow: 1;
    font-family: inherit;
  }
  
  .terminal-action-buttons {
    display: flex;
    gap: var(--space-xs);
    margin-top: var(--space-md);
    flex-wrap: wrap;
  }
  
  .term-click-btn {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
  }
  .term-click-btn:hover {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent);
  }
  
  /* =========================================================
     INBORN TRAVELLER PAGE
     ========================================================= */
  .traveller-hero {
    background: radial-gradient(circle at bottom center, var(--color-accent-light) 0%, transparent 60%);
  }
  
  /* Travel Path / Itinerary flow */
  .path-flow-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
    align-items: start;
  }
  
  .itinerary-map {
    position: relative;
    border-left: 3px solid var(--color-accent);
    padding-left: var(--space-lg);
    margin-left: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
  }
  
  .map-node {
    position: relative;
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    transition: all var(--transition-smooth);
  }
  .map-node:hover,
  .map-node.active {
    background-color: var(--bg-surface);
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
  }
  
  .map-dot {
    position: absolute;
    left: calc(-1 * var(--space-lg) - 8px);
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--bg-surface);
    border: 3px solid var(--color-accent);
    transition: all var(--transition-smooth);
  }
  
  .map-node.active .map-dot {
    background-color: var(--color-primary);
    transform: translateY(-50%) scale(1.3);
  }
  
  .map-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-primary);
  }
  
  .map-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-muted);
  }
  
  .itinerary-detail-pane {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    min-height: 380px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  
  .itinerary-detail-content {
    transition: opacity var(--transition-smooth);
  }
  .itinerary-detail-content.fade {
    opacity: 0;
  }
  
  .itinerary-title {
    font-size: 1.8rem;
    margin-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-accent-light);
    padding-bottom: var(--space-xs);
  }
  
  .itinerary-tags {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
  }
  
  .itinerary-desc {
    color: var(--color-text);
    margin-bottom: var(--space-md);
    font-size: 1.05rem;
  }
  
  @media (max-width: 768px) {
    .path-flow-container {
      grid-template-columns: 1fr;
      gap: var(--space-lg);
    }
  }
  
  /* =========================================================
     PAPER & VOICE PAGE
     ========================================================= */
  .editorial-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-lg);
  }
  
  @media (max-width: 992px) {
    .editorial-grid {
      grid-template-columns: 1fr;
    }
  }

  .papervoice-body {
    background-color: hsl(40, 20%, 97%); /* Warm editorial cream override */
    font-family: var(--font-serif);
  }
  
  .papervoice-hero {
    background: radial-gradient(circle at center, hsl(40, 20%, 90%) 0%, transparent 80%);
  }
  
  .editorial-layout {
    font-family: var(--font-serif);
    max-width: 800px;
    margin-inline: auto;
  }
  
  .editorial-article {
    background: white;
    border: 1px solid var(--border-color);
    padding: var(--space-xl);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-xl);
  }
  
  .editorial-date {
    font-family: var(--font-sans);
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
  }
  
  .editorial-title {
    font-size: clamp(1.6rem, 1.4rem + 1.5dvw, 2.4rem);
    margin-bottom: var(--space-sm);
  }
  
  .editorial-body {
    font-size: 1.15rem;
    line-height: 1.8;
    color: hsl(140, 15%, 22%);
    margin-bottom: var(--space-lg);
  }
  .editorial-body p {
    margin-bottom: var(--space-md);
  }
  
  /* Podcast Audio Widget */
  .audio-widget {
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--border-radius-md);
    padding: var(--space-md) var(--space-lg);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-lg);
    align-items: center;
    box-shadow: var(--shadow-lg);
    margin-block: var(--space-xl);
  }
  
  .vinyl-disc {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: repeating-radial-gradient(circle, #222, #000 4px, #222 8px);
    border: 4px solid var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: rotateVinyl 8s linear infinite;
    animation-play-state: paused;
  }
  .vinyl-disc.playing {
    animation-play-state: running;
  }
  
  .vinyl-center {
    width: 24px;
    height: 24px;
    background-color: white;
    border-radius: 50%;
    border: 3px solid var(--color-primary);
  }
  
  .audio-controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }
  
  .audio-info {
    font-family: var(--font-sans);
  }
  .audio-title {
    font-weight: 700;
    font-size: 1.1rem;
  }
  .audio-speaker {
    font-size: 0.85rem;
    color: var(--color-accent-light);
    opacity: 0.8;
  }
  
  .player-btn-strip {
    display: flex;
    align-items: center;
    gap: var(--space-md);
  }
  
  .play-pause-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: var(--color-accent);
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: transform var(--transition-fast);
  }
  .play-pause-btn:hover {
    transform: scale(1.08);
  }
  
  .time-slider-container {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-accent-light);
    width: 100%;
  }
  
  .player-slider {
    flex-grow: 1;
    accent-color: var(--color-accent);
    height: 4px;
    border-radius: 2px;
    cursor: pointer;
  }
  
  @keyframes rotateVinyl {
    100% { transform: rotate(360deg); }
  }
  
  @media (max-width: 576px) {
    .audio-widget {
      grid-template-columns: 1fr;
      justify-items: center;
      text-align: center;
    }
  }
  
  /* =========================================================
     ABOUT PAGE
     ========================================================= */
  .timeline {
    position: relative;
    max-width: 800px;
    margin-inline: auto;
    padding-block: var(--space-lg);
  }
  
  .timeline::after {
    content: '';
    position: absolute;
    width: 3px;
    background-color: var(--border-color);
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .timeline-item {
    padding: var(--space-md) var(--space-lg);
    position: relative;
    background-color: inherit;
    width: 50%;
  }
  
  .timeline-item::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    right: -8px;
    background-color: var(--bg-surface);
    border: 3px solid var(--color-accent);
    top: 24px;
    border-radius: 50%;
    z-index: 1;
  }
  
  .timeline-left {
    left: 0;
  }
  
  .timeline-right {
    left: 50%;
  }
  
  .timeline-right::after {
    left: -8px;
  }
  
  .timeline-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
  }
  
  .timeline-year {
    font-weight: 800;
    color: var(--color-accent);
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
  }
  
  @media (max-width: 768px) {
    .timeline::after {
      left: 31px;
    }
    
    .timeline-item {
      width: 100%;
      padding-left: 70px;
      padding-right: var(--space-md);
    }
    
    .timeline-item::after {
      left: 22px;
    }
    
    .timeline-right {
      left: 0;
    }
  }
  
  /* =========================================================
     CONTACT PAGE
     ========================================================= */
  .contact-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr;
    gap: var(--space-lg);
  }
  
  @media (max-width: 992px) {
    .contact-grid {
      grid-template-columns: 1fr;
    }
  }

  .contact-box {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    max-width: 680px;
    margin-inline: auto;
  }
  
  .form-group {
    margin-bottom: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }
  
  .form-label {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-primary);
  }
  
  .form-control {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 0.8rem;
    border-radius: var(--border-radius-sm);
    width: 100%;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  }
  .form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
  }
  
  /* User input visual feedback via modern CSS standards */
  .form-control:user-invalid {
    border-color: #d9534f;
    box-shadow: 0 0 0 3px rgba(217, 83, 79, 0.1);
  }
  
  .form-control:user-valid {
    border-color: var(--color-accent);
  }
  
  /* Visual error message when form is validated */
  .form-error-msg {
    color: #d9534f;
    font-size: 0.8rem;
    display: none;
    font-weight: 600;
  }
  .form-control:user-invalid + .form-error-msg {
    display: block;
  }
  
  /* Toast Notification */
  .toast {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    background-color: var(--color-primary);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    z-index: 2000;
    transform: translateY(120px);
    transition: transform var(--transition-smooth);
    font-weight: 600;
  }
  
  .toast.show {
    transform: translateY(0);
  }
  
  .toast-check {
    width: 20px;
    height: 20px;
    background-color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
  }
}

/* -------------------------------------------------------------
   UTILITIES LAYER: HELPER CLASSES
   ------------------------------------------------------------- */
@layer utilities {
  .text-center { text-align: center; }
  .mt-sm { margin-top: var(--space-xs); }
  .mt-md { margin-top: var(--space-md); }
  .mt-lg { margin-top: var(--space-lg); }
  .mb-sm { margin-bottom: var(--space-xs); }
  .mb-md { margin-bottom: var(--space-md); }
  .mb-lg { margin-bottom: var(--space-lg); }
  .flex-center { display: flex; align-items: center; justify-content: center; }
  .glass {
    background-color: var(--bg-surface-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
  }
}