html {
  background-color: #21201C;
}

:root {
  /* Site Base Colors */
  --bg-dark: #21201C;
  --bg-gradient: linear-gradient(135deg, #21201C 0%, #151411 100%);
  --card-bg: #2C2B26;
  --text-main: #EFEFEF;
  --text-muted: rgba(239, 239, 239, 0.6);
  --border-color: #3D3D3D;
  --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);

  /* Brand Palette */
  --primary: #E4FFE1;
  --primary-hover: #CDE5CA;
  --secondary: #E1E4FF;
  --secondary-hover: #CACDE5;
  --accent: #FFE1E4;
  --accent-hover: #E5CACD;

  /* Category Tag Palette */
  --cat-engineering: #E4FFE1;
  --cat-engineering-bg: rgba(228, 255, 225, 0.15);
  --cat-devlog: #E1E4FF;
  --cat-devlog-bg: rgba(225, 228, 255, 0.15);
  --cat-product: #FFE1E4;
  --cat-product-bg: rgba(255, 225, 228, 0.15);
  --cat-tutorial: #FFF3E1;
  --cat-tutorial-bg: rgba(255, 243, 225, 0.15);
  --cat-thoughts: #EBE1FF;
  --cat-thoughts-bg: rgba(235, 225, 255, 0.15);
  --cat-misc: #E1FFFF;
  --cat-misc-bg: rgba(225, 255, 255, 0.15);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 24px 48px;
}

.site-header {
  width: 100%;
  max-width: 780px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 40px;
}

.site-brand {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-main) 0%, var(--primary) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--primary);
}

.container {
  width: 100%;
  max-width: 780px;
}

/* Category Badge Styles */
.tag-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tag-engineering {
  color: var(--cat-engineering);
  background: var(--cat-engineering-bg);
  border: 1px solid var(--cat-engineering);
}

.tag-dev-log {
  color: var(--cat-devlog);
  background: var(--cat-devlog-bg);
  border: 1px solid var(--cat-devlog);
}

.tag-product-update {
  color: var(--cat-product);
  background: var(--cat-product-bg);
  border: 1px solid var(--cat-product);
}

.tag-tutorial {
  color: var(--cat-tutorial);
  background: var(--cat-tutorial-bg);
  border: 1px solid var(--cat-tutorial);
}

.tag-thoughts {
  color: var(--cat-thoughts);
  background: var(--cat-thoughts-bg);
  border: 1px solid var(--cat-thoughts);
}

.tag-misc {
  color: var(--cat-misc);
  background: var(--cat-misc-bg);
  border: 1px solid var(--cat-misc);
}

.hero-image {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: 12px;
  margin-top: 8px;
  margin-bottom: 32px;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}