.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.flex {
  display: flex;
  gap: var(--space-4);
}

.flex--center {
  align-items: center;
  justify-content: center;
}

.flex--between {
  align-items: center;
  justify-content: space-between;
}

.section {
  padding: var(--space-30) 0;
  position: relative;
  overflow: hidden;
}

.section--alt {
  background-color: var(--bg-alt);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-20);
}

.section__title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: var(--space-4);
}

.section__subtitle {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}

.section__badge {
  display: inline-block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-4);
  background: var(--glass-bg);
  border: 1px solid var(--primary);
  color: var(--primary);
}