/**
 * Design System - Reusable UI Components & Tokens
 * Adheres to high-end design engineering standards.
 */

/* Typography Utility Classes */
.typography-display {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.typography-h1 {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.typography-h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.typography-h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.typography-body-large {
  font-family: var(--font-body);
  font-size: var(--fs-body-large);
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.typography-body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.typography-small {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* Reusable UI Components */
.glass-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: var(--shadow-lg);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.glass-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  transform: translateY(-2px);
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.tech-badge:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-dim);
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Background Systems */
.bg-grid-pattern {
  background-image: linear-gradient(var(--color-border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 64px 64px;
}

.bg-radial-vignette {
  background: radial-gradient(circle at 50% 30%, transparent 20%, var(--color-bg) 80%);
}