:root {
    --bg-dark: #0a0c10;
    --panel-bg: rgba(16, 20, 28, 0.75);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(56, 189, 248, 0.4);
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.15);
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --font-sans: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    min-height: 100vh;
    line-height: 1.6;
    /* Subtle technical grid background */
    background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 32px 32px;
    background-position: -1px -1px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

header {
    margin-bottom: 3.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    background: var(--accent-glow);
    border: 1px solid var(--border-hover);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    margin-bottom: 1rem;
}

.status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.2s ease-in-out;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-main);
}

.card-type {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.925rem;
    margin-bottom: 1.5rem;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    background: rgba(56, 189, 248, 0.08);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.15s ease;
}

.card-link:hover {
    color: var(--accent);
}

footer {
    margin-top: 5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Stack Layout */
.project-stack {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.project-section {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.25rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.project-section:hover {
  border-color: var(--border-hover);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.project-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}

.project-type {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.project-desc {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 1.5rem;
  max-width: 800px;
}

/* Button Styling */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: #0a0c10;
  background-color: var(--accent);
  padding: 0.65rem 1.25rem;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn:hover {
  background-color: #7dd3fc;
  transform: translateY(-1px);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.3);
}