/* ============================================
   Layout System
   ============================================ */

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

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

.container--wide {
  max-width: 1600px;
}

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

.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--auto {
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

/* Flexbox */
.flex {
  display: flex;
}

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

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

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

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

.flex--gap-sm { gap: var(--space-sm); }
.flex--gap-md { gap: var(--space-md); }
.flex--gap-lg { gap: var(--space-lg); }

/* Two column layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.two-col--60-40 {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-2xl);
  align-items: start;
}

.two-col--40-60 {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--space-2xl);
  align-items: start;
}

/* Page hero (inner pages) */
.page-hero {
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-2xl);
  background-color: var(--color-bg-secondary);
}

.page-hero__title {
  font-size: var(--fs-h1);
  font-weight: var(--fw-light);
  color: var(--color-text-heading);
}

.page-hero__breadcrumb {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.page-hero__breadcrumb a:hover {
  color: var(--color-accent);
}

/* Full width */
.full-width {
  width: 100%;
}

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