/* ==========================================================================
   Layout — page shell, header, navigation, section rhythm and footer.
   Mobile-first: the base rules describe the phone, media queries widen it.
   ========================================================================== */

/* --- Shell ---------------------------------------------------------------- */

.container {
  width: min(100% - (var(--gutter) * 2), var(--container-max));
  margin-inline: auto;
}

.section {
  padding-top: var(--section-space);
  scroll-margin-top: calc(var(--header-height) + var(--space-3));
}

/* Full-bleed tinted band, used for the districts and contact sections. */
.band {
  margin-top: var(--section-space);
  padding-block: var(--section-space);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--gradient-band);
}

.band--ink {
  border: 0;
  background: var(--color-ink);
  color: var(--text-on-dark);
}

.band--ink h2 {
  color: var(--color-cream);
}

/* --- Header --------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--color-divider);
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.site-header__brand {
  margin-right: auto;
}

/* --- Navigation ----------------------------------------------------------- */

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-nav__link {
  font-size: var(--size-meta);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-primary);
}

.site-nav__link:hover,
.site-nav__link[aria-current="true"] {
  color: var(--color-accent);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-primary);
  font: inherit;
  font-size: var(--size-micro);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  cursor: pointer;
}

.nav-toggle__bars {
  display: grid;
  gap: 3px;
  width: 16px;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after,
.nav-toggle__bars span {
  content: "";
  display: block;
  height: 1px;
  background: currentColor;
}

/* Phone: the nav becomes a panel dropped under the header bar. */
@media (max-width: 899px) {
  .site-nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) var(--gutter) var(--space-5);
    border-bottom: 1px solid var(--color-divider);
    background: var(--color-bg);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav__link {
    padding-block: var(--space-3);
    border-bottom: 1px solid var(--color-divider);
  }

  .site-nav .btn {
    margin-top: var(--space-4);
  }
}

@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }
}

/* --- Footer --------------------------------------------------------------- */

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-8) var(--space-10);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  font-size: var(--size-meta);
}

.site-footer__links a {
  color: var(--text-secondary);
  text-decoration: none;
}

.site-footer__links a:hover {
  color: var(--color-accent);
}

.site-footer__legal {
  font-size: var(--size-meta);
  color: var(--text-muted);
}