/* layout.css — Container, rhythm, grid system */

.container {
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--space-5);
  max-width: 100%;
}

@media (min-width: 768px) {
  .container { max-width: 720px; }
}

@media (min-width: 1024px) {
  .container { max-width: 1140px; padding-inline: var(--space-6); }
}

@media (min-width: 1440px) {
  .container { max-width: 1320px; }
}

@media (min-width: 1920px) {
  .container { max-width: 1480px; }
}

main.container {
  padding-block: var(--space-7) var(--space-8);
}

.section {
  margin-top: var(--space-7);
}

.hero {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--brand-royal-blue);
  color: var(--color-on-blue);
}

.hero h1 {
  max-width: 22ch;
  color: var(--color-on-blue);
}

.hero.hero-home h1 {
  max-width: none;
}

@media (min-width: 1024px) {
  .hero.hero-home h1 {
    white-space: nowrap;
  }
}

.hero p {
  margin-top: var(--space-3);
  color: rgba(255, 255, 255, 0.82);
  font-size: var(--text-lg);
  max-width: 72ch;
}

.hero .btn:not(.btn-primary) {
  background: transparent;
  color: rgba(255, 255, 255, 0.92);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: none;
}

.hero .btn:not(.btn-primary):hover {
  color: var(--brand-gold);
  border-color: var(--brand-gold);
  background: rgba(255, 255, 255, 0.06);
}

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

.cta {
  margin-top: var(--space-6);
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
  align-items: stretch;
}

.grid > * {
  height: 100%;
  min-width: 0;
}

.grid .card { grid-column: span 6; }
.grid .card-third { grid-column: span 4; }
.grid .card-full { grid-column: span 12; }

/* Enterprise auto-balance grid (prevents awkward last-row whitespace) */
.grid.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(clamp(280px, 24vw, 360px), 1fr));
  justify-content: center;
}
.grid.grid-auto > * {
  grid-column: auto !important;
}

.col-12 { grid-column: span 12; }
.col-6  { grid-column: span 6; }
.col-4  { grid-column: span 4; }
.col-3  { grid-column: span 3; }

@media (max-width: 1023px) {
  .grid .card,
  .grid .card-third,
  .grid .card-full {
    grid-column: span 12;
  }
  .col-6, .col-4, .col-3 { grid-column: span 12; }
}

@media (min-width: 1440px) {
  .grid { gap: var(--space-5); }
}

@media (min-width: 1920px) {
  .grid { gap: var(--space-6); }
}

/* Taller/desktop screens can afford more breathing room */
@media (min-width: 1024px) and (min-height: 760px) {
  main.container { padding-block: var(--space-8) var(--space-9); }
  .section { margin-top: var(--space-8); }
  .hero { padding-block: var(--space-6) var(--space-5); }
}

/* Short-height screens: reduce vertical padding to avoid “empty body” feel */
@media (max-height: 740px) {
  main.container { padding-block: var(--space-6) var(--space-7); }
  .section { margin-top: var(--space-6); }
  .cta { margin-top: var(--space-5); }
}