/* ═══════════════════════════════════════════════
   Layout — Container + Grid + Responsive
   ═══════════════════════════════════════════════ */

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

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

/* ── Section ── */
.section {
  padding: var(--space-5xl) 0;
  position: relative;
  overflow: hidden;
}

.section--compact {
  padding: var(--space-4xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-header__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--brand-primary);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  margin-bottom: var(--space-md);
}

.section-header__label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--brand-primary);
}

.section-header__title {
  margin-bottom: var(--space-md);
}

.section-header__subtitle {
  font-size: var(--fs-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

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

.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--features {
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* ── Flex Utilities ── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }

/* ── Zigzag Layout ── */
.zigzag {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.zigzag--reverse {
  direction: rtl;
}

.zigzag--reverse > * {
  direction: ltr;
}

/* ── Responsive ── */
@media (max-width: 1200px) {
  :root {
    --fs-hero: 3.5rem;
    --fs-5xl: 2.5rem;
    --fs-3xl: 1.75rem;
  }
}

@media (max-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--features { grid-template-columns: repeat(2, 1fr); }

  .zigzag {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .zigzag--reverse {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  :root {
    --fs-hero: 2.5rem;
    --fs-5xl: 2rem;
    --fs-3xl: 1.5rem;
    --fs-xl: 1.125rem;
    --container-padding: var(--space-md);
    --nav-height: 64px;
  }

  .section {
    padding: var(--space-4xl) 0;
  }

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

  .section-header {
    margin-bottom: var(--space-2xl);
  }
}

@media (max-width: 480px) {
  :root {
    --fs-hero: 2rem;
    --fs-5xl: 1.75rem;
    --container-padding: var(--space-md);
  }

  .grid--4 { grid-template-columns: 1fr; }
}