/* ============================================================
   GRACE AFTER GRIT — Layout System
   Containers, grid, flex utilities, section spacing
   ============================================================ */

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

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

/* ---- Section Spacing ---- */
.section {
  padding-block: var(--space-20);
}

.section--lg {
  padding-block: var(--space-24);
}

.section--sm {
  padding-block: var(--space-12);
}

/* ---- Section with background ---- */
.section--surface {
  background-color: var(--md-surface-container);
}

.section--primary {
  background-color: var(--md-primary);
  color: var(--md-on-primary);
}

.section--primary h2,
.section--primary h3,
.section--primary h4,
.section--primary p {
  color: var(--md-on-primary);
}

/* ---- Grid System ---- */
.grid {
  display: grid;
  gap: var(--space-8);
}

.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-fit, minmax(280px, 1fr));
}

/* ---- Flex Utilities ---- */
.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-3);
}

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

.flex--gap-lg {
  gap: var(--space-8);
}

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

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

.mx-auto {
  margin-inline: auto;
}

/* ---- Section Header ---- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header .overline {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-label-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--md-secondary);
  margin-bottom: var(--space-3);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  margin-inline: auto;
  max-width: 60ch;
}

/* ---- Page Header (Hero-style) ---- */
.page-header {
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-16);
  text-align: center;
}

.page-header .overline {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-label-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--md-secondary);
  margin-bottom: var(--space-3);
}

.page-header p {
  margin-inline: auto;
  margin-top: var(--space-4);
}

/* ---- Responsive Grid ---- */
@media (max-width: 1024px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .section {
    padding-block: var(--space-12);
  }

  .section--lg {
    padding-block: var(--space-16);
  }

  .page-header {
    padding-top: calc(var(--nav-height) + var(--space-10));
    padding-bottom: var(--space-10);
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: var(--space-4);
  }
}