/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
    /* Colors - Dark Mode */
    --bg: #0F0F0F;
    --text: #F5F5F5;
    --text-muted: #999;
    --line: #2A2A2A;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --accent: #FF6B6B;
    --accent-light: #1A1A1A;
    
    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Satoshi', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --space-xs: clamp(8px, 1vw, 12px);
    --space-sm: clamp(12px, 1.5vw, 16px);
    --space-md: clamp(16px, 2vw, 24px);
    --space-lg: clamp(24px, 3vw, 32px);
    --space-xl: clamp(32px, 4vw, 48px);
    --space-2xl: clamp(48px, 6vw, 64px);
    --space-3xl: clamp(64px, 8vw, 96px);
    
    /* Layout */
    --container-max: 1200px;
    --container-padding: clamp(16px, 4vw, 40px);
    
    /* Transitions */
    --transition: all 0.2s ease;
  }
  
  /* Force dark mode for all users */
  @media (prefers-color-scheme: light) {
    :root {
      --bg: #0F0F0F;
      --text: #F5F5F5;
      --text-muted: #999;
      --line: #2A2A2A;
      --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }
  }
  
  /* ===== RESET & BASE STYLES ===== */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 80px; /* Account for fixed header */
  }
  
  body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  /* ===== TYPOGRAPHY ===== */
  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin: 0;
  }
  
  h1 { font-size: clamp(32px, 5vw, 56px); }
  h2 { font-size: clamp(24px, 3.5vw, 36px); }
  h3 { font-size: clamp(18px, 2.5vw, 24px); }
  
  p {
    margin: 0;
    line-height: 1.6;
  }
  
  a {
    color: inherit;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: var(--transition);
  }
  
  a:hover {
    opacity: 0.7;
  }
  
  em {
    font-style: italic;
    font-weight: 500;
  }
  
  strong {
    font-weight: 600;
  }
  
  /* ===== LAYOUT UTILITIES ===== */
  .container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
  }
  
  .section {
    padding: var(--space-3xl) 0;
  }
  
  .section-header {
    margin-bottom: var(--space-2xl);
  }
  
  .section-kicker {
    margin-top: var(--space-sm);
    color: var(--text-muted);
    font-size: 18px;
  }
  
  /* ===== ACCESSIBILITY ===== */
  .skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--text);
    color: var(--bg);
    padding: 8px;
    text-decoration: none;
    border-radius: 0 0 4px 4px;
    z-index: 1000;
  }
  
  .skip-link:focus {
    top: 0;
  }
  
  /* ===== HEADER ===== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 15, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    z-index: 100;
  }
  
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--container-padding);
    min-height: 60px;
  }
  
  .logo {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 18px;
    text-decoration: none;
  }
  
  .nav ul {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
    margin: 0;
    padding: 0;
  }
  
  .nav a {
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-xs) 0;
    position: relative;
  }
  
  .nav a:hover {
    opacity: 1;
  }
  
  .nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: 0;
    left: 0;
    background-color: var(--text);
    transition: width 0.2s ease;
  }
  
  .nav a:hover::after {
    width: 100%;
  }
  
  @media (max-width: 640px) {
    .nav ul {
      gap: var(--space-md);
    }
    
    .nav a {
      font-size: 14px;
    }
  }
  
  /* ===== HERO SECTION ===== */
  .hero {
    padding-top: calc(var(--space-3xl) + 60px); /* Account for fixed header */
    background: var(--bg);
    color: var(--text);
    text-align: left;
  }
  
  .eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 14px;
    font-weight: 600;
    opacity: 0.9;
    margin-bottom: var(--space-sm);
  }
  
  .headline {
    margin-bottom: var(--space-lg);
    font-weight: 700;
    max-width: 800px;
    color: #A3174F;
  }
  
  .subhead {
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.5;
    max-width: 600px;
    opacity: 0.95;
  }
  
  /* ===== ABOUT SECTION ===== */
  .about-inner {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-2xl);
    align-items: start;
  }
  
  .about-media img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow);
  }
  
  .about-body h2 {
    margin-bottom: var(--space-lg);
  }
  
  .about-body p {
    margin-bottom: var(--space-md);
    font-size: 18px;
    line-height: 1.7;
  }
  
  .about-body p:last-of-type {
    margin-bottom: var(--space-xl);
  }
  
  .facts {
    border-top: 1px solid var(--line);
    padding-top: var(--space-lg);
  }
  
  .facts > div {
    display: flex;
    margin-bottom: var(--space-md);
  }
  
  .facts dt {
    font-weight: 600;
    min-width: 140px;
    margin-right: var(--space-md);
  }
  
  .facts dd {
    color: var(--text-muted);
  }
  
  @media (max-width: 980px) {
    .about-inner {
      grid-template-columns: 1fr;
      gap: var(--space-xl);
    }
    
    .about-media {
      order: -1;
      max-width: 300px;
      margin: 0 auto;
    }
  }
  
  /* ===== CONTACT SECTION ===== */
  .contact {
    background: var(--bg);
    padding: var(--space-2xl) 0;
  }
  
  .contact-inner {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .contact h2 {
    margin-bottom: var(--space-sm);
  }
  
  .contact-lede {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
  }
  
  .contact-list {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    align-items: center;
  }
  
  .contact-list a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    color: var(--text);
  }
  
  .contact-list a:hover {
    color: var(--accent);
    opacity: 1;
  }
  
  .linkedin-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
  }
  
  @media (max-width: 640px) {
    .contact-list {
      flex-direction: column;
      gap: var(--space-md);
    }
  }
  
  /* ===== FOOTER ===== */
  .site-footer {
    border-top: 1px solid var(--line);
    padding: var(--space-xl) 0;
    margin-top: var(--space-xl);
  }
  
  .footer-inner {
    text-align: center;
  }
  
  .footer-inner p {
    color: var(--text-muted);
    font-size: 14px;
  }
  
  /* ===== RESPONSIVE UTILITIES ===== */
  @media (max-width: 980px) {
    :root {
      --container-padding: clamp(16px, 3vw, 32px);
    }
  }
  
  @media (max-width: 640px) {
    .section {
      padding: var(--space-2xl) 0;
    }
    
    .hero {
      padding-top: calc(var(--space-2xl) + 60px);
    }
  }
  
  /* ===== FOCUS STYLES ===== */
  :focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }
  
  :focus:not(:focus-visible) {
    outline: none;
  }
  
  /* ===== SMOOTH ANIMATIONS ===== */
  @media (prefers-reduced-motion: no-preference) {
    * {
      transition: var(--transition);
    }
  }
  
  @media (prefers-reduced-motion: reduce) {
    * {
      transition: none !important;
      animation: none !important;
    }
    
    html {
      scroll-behavior: auto;
    }
  }
  /* ===== NAV DOWNLOAD ICON ===== */
.nav-download a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 24px;
    padding: 6px 0;
    position: relative;
    text-decoration: none;
    color: #FFFFFF;
    opacity: 0.9;
    transition: all 0.2s ease;
}

.nav-download svg {
    width: 22px;
    height: 22px;
    stroke-width: 2;
}

.nav-download a:hover {
    opacity: 1;
    transform: translateY(-1px);
}

/* Tooltip */
.nav-download a[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -34px;
    left: 50%;
    transform: translateX(-50%);
    background: #1A1A1A;
    color: #FFFFFF;
    padding: 6px 10px;
    font-size: 12px;
    white-space: nowrap;
    border-radius: 6px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-download a:hover[data-tooltip]::after {
    opacity: 1;
    transform: translateX(-50%) translateY(2px);
}