/* ==============================================
   Layout — Container, Grid, Section utilities
   ============================================== */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--section-px);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.container--text {
  max-width: var(--container-text);
}

/* Section */
.section {
  padding-block: var(--section-py);
}

.section--sm {
  padding-block: clamp(2rem, 4vw, 3.5rem);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

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

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* Flex Utilities */
.flex {
  display: flex;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-sm {
  gap: var(--space-3);
}

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

.gap-lg {
  gap: var(--space-10);
}

/* Text Alignment */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

/* Spacing Utilities */
.mt-sm { margin-top: var(--space-4); }
.mt-md { margin-top: var(--space-8); }
.mt-lg { margin-top: var(--space-12); }
.mb-sm { margin-top: var(--space-4); }
.mb-md { margin-bottom: var(--space-8); }
.mb-lg { margin-bottom: var(--space-12); }

/* Skip to Main */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--duration-fast);
}

.skip-link:focus {
  top: var(--space-4);
}