@import url('https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@400;700&family=Inter:wght@300;400;600;700&display=swap');

:root {
  --bg-color: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-python: #3b82f6;
  --accent-php: #8b5cf6;
  --accent-bash: #10b981;
  --accent-js: #fcd34d;
  --accent-cgi: #ef4444;
  --border-color: rgba(148, 163, 184, 0.1);
  --glow-color: rgba(59, 130, 246, 0.5);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  /* Removed static radial-gradient background to let canvas shine */
  min-height: 100vh;
}

canvas#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--bg-color); 
}

code, .code-font {
  font-family: 'Source Code Pro', monospace;
}

/* Header */
header {
  padding: 2rem 5%;
  display: flex;
  justify-content: center; /* Center logo since nav is gone */
  align-items: center;
  backdrop-filter: blur(5px); /* Reduced blur for cleaner look */
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent; /* Hide border usually */
}

/* Removed Nav Styles */

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--accent-python);
}


/* Hero Section */
.hero {
  padding: 8rem 5% 4rem;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background: linear-gradient(45deg, var(--accent-python), var(--accent-php));
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -10px var(--accent-python);
}

/* Categories Grid */
.categories {
  padding: 4rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent-python); /* Default */
  border-radius: 15px 15px 0 0;
  transition: opacity 0.3s;
}

.card * {
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.5s ease;
  will-change: transform, opacity;
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.5);
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.tag {
    background: rgba(255,255,255,0.05);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-family: 'Source Code Pro', monospace;
}

/* Specific Accents */
.card.python::before { background: var(--accent-python); }
.card.python h3 { color: var(--accent-python); }

.card.php::before { background: var(--accent-php); }
.card.php h3 { color: var(--accent-php); }

.card.js::before { background: var(--accent-js); }
.card.js h3 { color: var(--accent-js); }

.card.bash::before { background: var(--accent-bash); }
.card.bash h3 { color: var(--accent-bash); }

.card.cgi::before { background: var(--accent-cgi); }
.card.cgi h3 { color: var(--accent-cgi); }


/* Footer */
footer {
  text-align: center;
  padding: 4rem 5%;
  border-top: 1px solid var(--border-color);
  margin-top: 4rem;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
}