/* ==========================================================================
   ELLIS AUSTIN — PORTFOLIO
   Minimalist Dark Design System — Smooth Buttery Grey Palette
   ========================================================================== */

:root {
  /* Velvety Dark Monochromatic Palette */
  --bg-primary: #0a0a0c;
  --bg-secondary: #111114;
  --bg-surface: #161619;
  --bg-surface-elevated: #1e1e23;
  
  /* Refined Grey & Titanium Hues (No Electric Blue) */
  --accent-pure-white: #ffffff;
  --accent-silver: #f4f4f5;
  --accent-platinum: #e4e4e7;
  --accent-titanium: #d4d4d8;
  --accent-grey: #a1a1aa;
  --accent-grey-muted: #71717a;
  --accent-grey-dim: #3f3f46;
  --accent-glow: rgba(255, 255, 255, 0.08);
  
  /* Typography Colors */
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-dim: #52525b;

  /* Subtle Hairline Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.22);
  --border-active: rgba(255, 255, 255, 0.4);

  /* Typography */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* Layout */
  --header-height: 80px;
  --max-width: 1100px;
  --container-padding: 2.5rem;
  
  /* Silky Smooth Easing Curves */
  --ease-buttery: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

html {
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  position: relative;
}

/* Soft, Buttery Ambient Lighting (Replacing harsh tech grid) */
.ambient-glow-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle at 50% 40%, rgba(255, 255, 255, 0.025) 0%, transparent 60%);
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  position: relative;
  z-index: 1;
}

/* Selection Highlight */
::selection {
  background-color: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 5px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #27272a;
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3f3f46;
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.mono {
  font-family: var(--font-mono);
}

.muted {
  color: var(--text-secondary);
}

/* Minimalist Clean Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 1.5rem 0;
  position: relative;
  z-index: 1;
  width: 100%;
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: -0.01em;
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1.5rem;
  }
  .footer-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
  }
}