/* ============================================================
   LAYOUT — Backyard Playground
   Responsive grid, containers, section wrappers
   ============================================================ */

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

.container--wide {
  max-width: var(--container-2xl);
}

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

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

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

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

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

/* ---- Section Header ---- */
.section-label {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-brass);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  margin-bottom: var(--space-6);
}

.section-title--center {
  text-align: center;
}

.section-subtitle {
  font-size: var(--text-md);
  color: var(--color-slate-light);
  line-height: var(--leading-relaxed);
  max-width: 55ch;
}

.section-subtitle--center {
  text-align: center;
  margin-inline: auto;
}

.section-header {
  margin-bottom: clamp(var(--space-12), 5vw, var(--space-20));
}

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

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

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

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

@media (min-width: 600px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Split layout (content + aside) */
.split {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 900px) {
  .split--60-40 {
    grid-template-columns: 3fr 2fr;
  }
  .split--50-50 {
    grid-template-columns: 1fr 1fr;
  }
  .split--40-60 {
    grid-template-columns: 2fr 3fr;
  }
}

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

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

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

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

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

/* ---- Spacing Utilities ---- */
.mt-auto { margin-top: auto; }
.mb-0    { margin-bottom: 0; }
.text-center { text-align: center; }
.text-right  { text-align: right; }

/* ---- Divider ---- */
.divider {
  width: 3rem;
  height: 2px;
  background: var(--color-brass);
  margin-bottom: var(--space-8);
}

.divider--center {
  margin-inline: auto;
}