/* ==========================================================================
   layout.css — Structural layout primitives
   --------------------------------------------------------------------------
   Container, section rhythm, and small layout utilities. Everything uses
   logical properties (inline/block, start/end) for clean RTL ⇄ LTR flipping.
   ========================================================================== */

/* Centered, max-width container with fluid side gutters */
.container {
  inline-size: 100%;
  max-inline-size: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

/* Vertical section rhythm — generous, calming spacing */
.section {
  position: relative;
  padding-block: var(--space-section);
  overflow: hidden;               /* Contains decorative blobs / parallax */
}

/* Section header block (title + lead), centered or start-aligned */
.section-head {
  max-inline-size: 70ch;
  margin-block-end: clamp(2rem, 1rem + 3vw, 3.5rem);
}

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

.section-head--center .section-title,
.section-head--center .section-lead {
  margin-inline: auto;
  text-align: center;
}

/* --------------------------------------------------------------------------
   Decorative soft "blob" backgrounds — used to avoid flat/uniform fills
   (per §4 rule 7) without grid/checkerboard patterns (rule 8).
   -------------------------------------------------------------------------- */
.blob {
  position: absolute;
  z-index: 0;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
  pointer-events: none;
  will-change: transform;
}

/* Keep content above decorative layers */
.section > .container {
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   Generic responsive auto-grid (cards, stats). Mobile-first single column.
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-lg);
}

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

@media (min-width: 960px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* Flex helpers */
.flex {
  display: flex;
  gap: var(--space-sm);
}
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }

/* Spacing utility for stacked CTA rows */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-block-start: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Long-form opt-out — any element carrying .longform keeps its natural
   reading alignment even where the mobile rules (responsive.css) center
   everything. Global mobile centering lives in core/responsive.css, which
   loads AFTER components.css so its overrides win the cascade.
   -------------------------------------------------------------------------- */
.longform { text-align: start; }