/* ==========================================================================
   layout.css — Container, seções e grids
   Ordem de carregamento: 4/7
   ========================================================================== */

.container {
  width: 100%;
  max-width: calc(var(--container) + (var(--gutter) * 2));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: calc(52rem + (var(--gutter) * 2));
}

.section {
  position: relative;
  isolation: isolate;
  padding-block: var(--section-y);
  background: var(--bg);
  color: var(--text);
  overflow: clip;
}

.section > .container {
  position: relative;
  z-index: 1;
}

.section--flush {
  padding-block: 0;
}

.section--tight {
  padding-block: clamp(3rem, 6vw, 5rem);
}

/* Cabeçalhos de seção ----------------------------------------------------- */
.section__head {
  display: grid;
  gap: var(--space-4);
  max-width: 48rem;
}

.section__head--center {
  justify-items: center;
  margin-inline: auto;
  text-align: center;
}

.section__head--center .section-lead {
  margin-inline: auto;
}

.section__head--split {
  max-width: none;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
}

.section__head--split .section__intro {
  align-self: end;
}

.section__intro {
  display: grid;
  gap: var(--space-4);
}

.section__head .section-title {
  margin: 0;
}

.section__head .section-lead {
  margin: 0;
}

.section__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.section__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-top: var(--space-5);
  border-top: 1px solid var(--line);
}

.section__foot-text {
  max-width: 38rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Grades genéricas -------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-5);
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Pilha vertical ---------------------------------------------------------- */
.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

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

/* Divisores --------------------------------------------------------------- */
.rule {
  width: 100%;
  height: 1px;
  border: 0;
  background: var(--line);
}

/* Responsivo -------------------------------------------------------------- */
@media (max-width: 960px) {
  .section__head--split {
    grid-template-columns: 1fr;
    gap: var(--space-5);
    align-items: start;
  }

  .section__head--split .section__intro {
    align-self: start;
  }

  .section-title {
    max-width: 24ch;
  }

  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .grid--2,
  .grid--3 {
    grid-template-columns: 1fr;
  }

  .section__foot {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .grid--4 {
    grid-template-columns: 1fr;
  }
}