/* ============================================================
   layout.css — Container, sections, grid utilities
   ============================================================ */

/* ===== Container ===== */

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

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

/* ===== Section ===== */

.section {
  padding-block: clamp(var(--sp-12), 8vw, var(--sp-24));
}

.section--tight { padding-block: clamp(var(--sp-8), 5vw, var(--sp-16)); }
.section--loose { padding-block: clamp(var(--sp-16), 10vw, var(--sp-32)); }

.section--alt   { background: var(--color-bg-alt); }
.section--dark  { background: var(--color-bg-dark); color: var(--color-text-inverse); }
.section--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.section--primary h1, .section--primary h2, .section--primary h3 { color: var(--color-text-inverse); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--color-text-inverse); }

/* ===== Section header ===== */

.section__header {
  max-width: 60ch;
  margin-bottom: var(--sp-8);
}
.section__eyebrow {
  display: inline-block;
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  margin-bottom: var(--sp-3);
}
.section__title { margin-bottom: var(--sp-3); }
.section__lead {
  font-size: var(--fs-h4);
  line-height: var(--lh-relaxed);
  color: var(--color-text-muted);
}

/* ===== Grid utilities ===== */

.grid { display: grid; gap: var(--sp-6); }

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }
.grid--6 { grid-template-columns: repeat(2, 1fr); }

@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--6 { grid-template-columns: repeat(3, 1fr); }
}

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

@media (min-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid--6 { grid-template-columns: repeat(6, 1fr); }
}

.grid--gap-sm { gap: var(--sp-3); }
.grid--gap-lg { gap: var(--sp-10); }

/* ===== Flex utilities ===== */

.flex { display: flex; }
.flex--col { flex-direction: column; }
.flex--center { align-items: center; justify-content: center; }
.flex--between { justify-content: space-between; align-items: center; }
.flex--wrap { flex-wrap: wrap; }
.flex--gap-2 { gap: var(--sp-2); }
.flex--gap-3 { gap: var(--sp-3); }
.flex--gap-4 { gap: var(--sp-4); }
.flex--gap-6 { gap: var(--sp-6); }

/* ===== Stack (vertical rhythm) ===== */

.stack > * + * { margin-top: var(--sp-4); }
.stack--sm > * + * { margin-top: var(--sp-2); }
.stack--lg > * + * { margin-top: var(--sp-8); }

/* ===== Split (hero com 2 colunas) ===== */

.split {
  display: grid;
  gap: var(--sp-8);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1024px) {
  .split { grid-template-columns: 1.1fr 1fr; gap: var(--sp-12); }
  .split--reverse > :first-child { order: 2; }
}

/* ===== Spacers ===== */

.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }
.text-center { text-align: center; }

/* ===== Page wrapper (offset do header fixo) ===== */

.page-main {
  padding-top: var(--header-h);
}
@media (min-width: 1024px) {
  .page-main {
    padding-top: calc(var(--header-h-desktop) + var(--utility-bar-h));
  }
}