/* HeritageAtlas.pro — layout.css
   Structural grid, header/footer, page regions */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--colour-green);
  color: var(--colour-text-on-dark);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 14px;
  padding-bottom: 14px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6em;
  text-decoration: none;
  color: var(--colour-text-on-dark);
}

.brand:hover, .brand:focus {
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
}

.main-nav {
  width: 100%;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3em 1.1em;
}

.main-nav a {
  color: var(--colour-text-on-dark);
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.3em 0.1em;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a:focus {
  border-bottom-color: var(--colour-red);
}

.main-nav a[aria-current="page"] {
  border-bottom-color: var(--colour-red);
}

@media (min-width: 900px) {
  .site-header .container {
    flex-wrap: nowrap;
  }
  .main-nav {
    width: auto;
  }
}

/* Main content regions */
main {
  display: block;
}

.hero {
  background: var(--colour-green);
  color: var(--colour-text-on-dark);
  position: relative;
  overflow: hidden;
}

.hero .container {
  padding-top: 3.2rem;
  padding-bottom: 3.2rem;
  position: relative;
  z-index: 1;
}

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

.hero p.lede {
  max-width: 58ch;
  font-size: 1.1em;
}

.hero-motif {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}

.page-section {
  padding-top: 2.6rem;
  padding-bottom: 2.6rem;
}

.page-section--tint {
  background: #E9DFC2;
}

article.page-content {
  max-width: 74ch;
}

/* Teaser / card grid */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  margin: 1.6rem 0;
}

@media (min-width: 600px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid--three {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Footer */
.site-footer {
  background: var(--colour-green);
  color: var(--colour-text-on-dark);
  margin-top: 3rem;
}

.site-footer .container {
  padding-top: 2.4rem;
  padding-bottom: 2.4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
}

@media (min-width: 700px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-grid h2,
.footer-grid h3 {
  color: var(--colour-text-on-dark);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-grid a {
  color: var(--colour-text-on-dark);
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(241, 233, 210, 0.25);
  font-size: 0.85rem;
  opacity: 0.9;
}

.footer-disclaimer {
  font-size: 0.85rem;
  opacity: 0.9;
  max-width: 70ch;
  margin-top: 0.6rem;
}

/* Breakpoints utility */
@media (min-width: 1024px) {
  .container { padding: 0 32px; }
}