/* ============================================
   Layout Utilities
   ============================================ */

/* ---- Main content offset for fixed header ---- */
main {
  padding-top: var(--header-height);
}

/* ---- Container ---- */
.container {
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ---- Sections ---- */
.section {
  padding: var(--section-padding) 0;
}

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

.section-silver {
  background: var(--color-light-gray);
}

.section-dark {
  background: linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-charcoal-dark) 100%);
  color: var(--color-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.75);
}

.section-dark .section-label {
  color: var(--color-orange);
}

/* ---- Page Hero (shared across inner pages) ---- */
.page-hero {
  padding: clamp(3rem, 8vw, 5rem) 0;
  text-align: center;
}

.page-hero h1 {
  margin-bottom: 0.75rem;
}

.page-hero p {
  font-size: var(--text-body);
  max-width: 600px;
  margin: 0 auto;
}

.page-hero.section-dark p {
  color: rgba(255, 255, 255, 0.8);
}

/* ---- Grids ---- */
.grid {
  display: grid;
  gap: var(--gap-lg);
}

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

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

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

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

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

/* ---- Flex Utilities ---- */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.text-muted {
  color: var(--color-muted-text);
}

/* ---- Responsive Grids ---- */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-2-1,
  .grid-1-1 {
    grid-template-columns: 1fr;
  }
}