:root {
  /* Backgrounds */
  --bg-deep:      #06080f; /* Main body background */
  --bg-surface:   #0c1120; /* Secondary surfaces (headers, footers) */
  --bg-card:      #111827; /* Cards and containers */
  
  /* Accents */
  --accent-cyan:  #00d4ff; /* Primary brand color */
  --accent-gold:  #f0c040; /* Secondary / Warnings / Highlights */
  --accent-violet:#8b5cf6; /* Tertiary / Alternative */
  
  /* Text */
  --text-primary: #f0f4ff; /* Main headings and active text */
  --text-secondary:#8892a4; /* Paragraphs and secondary text */
  --text-muted:   #4a5568; /* Disabled or very subtle text */
  
  /* Effects */
  --border:       rgba(0,212,255,.15); /* Default border color */
  --glow-cyan:    0 0 24px rgba(0,212,255,.45);
  --glow-gold:    0 0 24px rgba(240,192,64,.45);
  
  /* Typography */
  --font-head:    'Rajdhani', sans-serif; /* Titles, Buttons, Tags */
  --font-sub:     'Exo 2', sans-serif;    /* Subtitles, Quotes, Highlights */
  --font-body:    'Inter', sans-serif;    /* General paragraph text */
  
  /* Structure */
  --radius:       4px;
  --transition:   .25s cubic-bezier(.4,0,.2,1);
}

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

body {
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,.03) 2px, rgba(0,0,0,.03) 4px
  );
  pointer-events: none;
  z-index: -1;
}

h1, h2, h3, .section-title {
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-primary);
}

.btn-primary {
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  background: var(--accent-cyan);
  color: var(--bg-deep);
  padding: .85rem 2rem;
  border: none;
  clip-path: polygon(12px 0%, 100% 0%, calc(100% - 12px) 100%, 0% 100%);
  transition: all var(--transition);
  cursor: pointer;
}

.btn-primary:hover {
  box-shadow: var(--glow-cyan), 0 8px 32px rgba(0,212,255,.3);
  transform: translateY(-2px);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0,0,0,.4), 0 0 30px rgba(0,212,255,.08);
}

.tag {
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  border: 1px solid var(--border);
  padding: .25rem .75rem;
  border-radius: var(--radius);
}