:root {
    /* ===== Base Background & Surface ===== */
    --color-bg: #16110D;
    --color-bg-alt: #1e1815;
    --color-surface: #2a211d;
    --color-border: #3c322d;
  
    /* ===== Text Colors ===== */
    --color-text-main: #F9F7F6;
    --color-text-muted: #DFD3CA;
    --color-text-inverse: #16110D;
    --color-text-danger: #840804;
  
    /* ===== Accent Colors ===== */
    --color-primary: #726259;
    --color-primary-hover: #5e5149;
    --color-secondary: #DFD3CA;
    --color-tertiary: #F7B732;
    --color-danger: #840804;
  
    /* ===== Utility Colors ===== */
    --color-success: #a6e3a1;
    --color-warning: #F7B732;
    --color-info: #89dceb;
    --color-overlay: rgba(22, 17, 13, 0.85);
  
    /* ===== Typography ===== */
    --font-ui: 'JetBrains Mono', monospace;
    --font-body: 'Inter', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
  
    /* ===== Spacing ===== */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
  
    /* ===== Radius & Shadow ===== */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.4);
  
    /* ===== Transitions & Z-Index ===== */
    --transition-fast: 0.2s ease-in-out;
    --transition-slow: 0.4s ease-in-out;
    --z-tooltip: 1000;
    --z-modal: 1100;
    --z-popover: 1200;
    --z-overlay: 1300;
  }
  
  /* ============================
     LAYOUT
  ============================ */
  
  body {
    margin: 0;
    font-family: var(--font-body);
    font-size: var(--font-size-md);
    color: var(--color-text-main);
    background-color: var(--color-bg);
    line-height: 1.6;
  }
  
  .container {
    max-width: 1600px;
    padding: 0 var(--spacing-md);
    margin: 0 auto;
  }
  
  /* ============================
     GRADIENT UTILITY CLASSES
  ============================ */
  
  .bg-gradient-ivory-paper {
    background: linear-gradient(to bottom, #F9F7F6, #DFD3CA);
  }
  
  .bg-gradient-paper-cocoa {
    background: linear-gradient(to bottom, #DFD3CA, #726259);
  }
  
  .bg-gradient-gold-wine {
    background: linear-gradient(to right, #F7B732, #840804);
  }
  
  .bg-gradient-cocoa-wine {
    background: linear-gradient(to bottom, #726259, #840804);
  }
  
  .bg-gradient-full-dark {
    background: linear-gradient(to bottom, #726259, #840804, #16110D);
  }
  
  /* ============================
     TYPOGRAPHY
  ============================ */
  
  h1, h2, h3, h4, h5 {
    font-family: var(--font-ui);
    margin: 0 0 var(--spacing-md);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
  }
  
  h1 {
    font-size: var(--font-size-xl);
    line-height: 1.2;
    letter-spacing: -0.5px;
  }
  
  p {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-muted);
  }

  .lead {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
  }
  
  
  /* ============================
     BUTTONS
  ============================ */
  
  button {
    font-family: var(--font-ui);
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-primary);
    background-color: transparent;
    color: var(--color-primary);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast), color var(--transition-fast);
  }
  
  button:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
  }
  
  /* ============================
     UTILITIES
  ============================ */
  
  .text-center {
    text-align: center;
  }
  
  .mt-lg { margin-top: var(--spacing-lg); }
  .mb-lg { margin-bottom: var(--spacing-lg); }
  
/* HERO LAYOUT */

.hero {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    color: var(--color-text-main);
  }

  .hero {
    background-image: url('images/sj-objio-XFWiZTa2Ub0-unsplash.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    isolation: isolate;
  }
  
  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--color-overlay);
    z-index: -1;
  }
  
  .grid-hero {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .hero-text {
    text-align: left;
  }
  
  .hero-text h1 {
    font-size: var(--font-size-xl);
    color: var(--color-text-main);
    margin-bottom: var(--spacing-md);
  }
  
  .hero-text p.lead {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
  }
  
  .hero-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin: 0 auto;
  }
  
  /* Responsive Desktop Layout */
  @media (min-width: 768px) {
    .grid-hero {
      flex-direction: row;
      align-items: center;
      justify-content: space-between;
    }
  
    .hero-text,
    .hero-image {
      flex: 1;
    }
  
    .hero-image {
      display: flex;
      justify-content: flex-end;
      padding-left: var(--spacing-md);
    }
  
    .hero-text {
      padding-right: var(--spacing-md);
    }
  }
  
  .demo-section {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .demo-grid {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
    padding-bottom: var(--spacing-xl);
  }
  
  .demo-item {
    max-width: 300px;
    text-align: center;
    cursor: pointer;
    padding-bottom: var(--spacing-xl);
  }
  
  .demo-item img,
  .demo-item video {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
    object-fit: cover;
    display: block;
  }
  
  .demo-item:hover img,
  .demo-item:hover video {
    transform: scale(1.03);
  }
  
  .disclaimer {
    font-size: var(--font-size-xs);
    color: var(--color-warning);
    font-style: italic;
  }
  
  /* Modal Styles */
  .media-modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    inset: 0;
    background-color: var(--color-overlay);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
  }
  
  .media-modal .modal-content {
    background: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
    position: relative;
  }
  
  .media-modal img,
  .media-modal video {
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
  }
  
  .media-modal .close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    cursor: pointer;
  }
  
  .media-modal .close:hover {
    color: var(--color-danger);
  }

  .features-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
  }
  
  .section-title {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
  }
  
  .features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .feature-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  }
  
  .feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
  
  .feature-card h3 {
    font-family: var(--font-ui);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-main);
  }
  
  .feature-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.5;
  }
  
  /* Grid for medium/large screens */
  @media (min-width: 768px) {
    .features-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (min-width: 1024px) {
    .features-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }
  
  /* ============================
   FOOTER
============================ */

.site-footer {
    background-color: var(--color-bg-alt);
    color: var(--color-text-muted);
    padding: var(--spacing-lg) var(--spacing-md);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xl);
  }
  
  .footer-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .footer-grid h4,
  .footer-grid h5 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-ui);
  }
  
  .footer-brand p,
  .footer-meta p,
  .footer-links ul {
    margin: 0;
    color: var(--color-text-muted);
  }
  
  .footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .footer-links li {
    margin-bottom: var(--spacing-xs);
  }
  
  .footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
  }
  
  .footer-links a:hover {
    color: var(--color-primary);
  }
  
  /* Small text */
  .small {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
  }
  
  /* Responsive layout */
  @media (min-width: 768px) {
    .footer-grid {
      flex-direction: row;
      justify-content: space-between;
      align-items: flex-start;
    }
  
    .footer-brand,
    .footer-links,
    .footer-meta {
      flex: 1;
    }
  }