/* Shared header: runoff banner + grouped nav. Used by every public page
   through partials/site-header.html. Colors repeat the brand tokens so
   the header doesn't depend on any one page's :root. */

.site-header,
.runoff-banner,
.skip-link {
  --sh-blue: #5d70ce;
  --sh-navy: #293f8e;
  --sh-gold: #f7bf0b;
  --sh-orange: #fc7506;
  --sh-cream: #fff2e3;
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.site-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 1100;
  background: var(--sh-navy);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 700;
}
.skip-link:focus { top: 0.5rem; }

/* In-page links land below the sticky header, not under it. */
html { scroll-padding-top: 84px; }

/* ---- Runoff banner ---- */
.runoff-banner {
  background: var(--sh-gold);
  color: var(--sh-navy);
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.4;
  padding: 0.55rem 1rem;
}
.runoff-banner strong { font-weight: 800; }
.runoff-banner a {
  color: var(--sh-navy);
  font-weight: 700;
  white-space: nowrap;
}

/* ---- Header bar ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--sh-blue);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

.site-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-logo { display: flex; align-items: center; }
.site-logo img { display: block; height: 50px; width: auto; }

/* ---- Nav ---- */
.site-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav-item { position: relative; }

.site-nav a,
.site-nav-group {
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--sh-cream);
  text-decoration: none;
  background: none;
  border: 0;
  padding: 0.25rem 0;
  cursor: pointer;
  transition: color 0.2s;
}

.site-nav a:hover,
.site-nav-group:hover,
.site-nav a[aria-current="page"] { color: var(--sh-gold); }

.site-nav-group::after {
  content: "";
  display: inline-block;
  margin-left: 0.4rem;
  vertical-align: 0.2em;
  border: 4px solid transparent;
  border-top-color: currentColor;
  border-bottom: 0;
}

.site-nav-sub {
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  position: absolute;
  top: calc(100% + 0.6rem);
  left: -1rem;
  min-width: 11rem;
  background: var(--sh-navy);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
  display: none;
}

/* Bridge the gap so the menu doesn't close while the pointer crosses it. */
.site-nav-sub::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -0.6rem;
  height: 0.6rem;
}

.site-nav-sub a {
  display: block;
  padding: 0.5rem 1rem;
}

/* Open on hover/focus (works without JS) or when JS sets aria-expanded. */
.has-sub:hover .site-nav-sub,
.has-sub:focus-within .site-nav-sub,
.site-nav-group[aria-expanded="true"] + .site-nav-sub { display: block; }

.site-nav-donate {
  background: var(--sh-orange);
  color: var(--sh-cream) !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: 6px;
  font-weight: 700 !important;
  font-size: 0.85rem !important;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.site-nav-donate:hover { box-shadow: 0 4px 12px rgba(252, 117, 6, 0.35); }

.site-menu-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.75rem 0.5rem;
  cursor: pointer;
}
.site-menu-bars,
.site-menu-bars::before,
.site-menu-bars::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--sh-cream);
  border-radius: 2px;
}
.site-menu-bars { position: relative; }
.site-menu-bars::before,
.site-menu-bars::after { content: ""; position: absolute; left: 0; }
.site-menu-bars::before { top: -7px; }
.site-menu-bars::after { top: 7px; }

/* ---- Mobile: one panel, groups shown as labeled lists ---- */
@media (max-width: 900px) {
  .site-header-inner { height: 60px; }
  .site-logo img { height: 40px; }
  .site-menu-toggle { display: block; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--sh-blue);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }
  .site-nav.open { display: block; }

  .site-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.5rem 1.5rem;
  }
  .site-nav-item { border-bottom: 1px solid rgba(255, 242, 227, 0.15); }
  .site-nav-item:last-child { border-bottom: 0; padding-top: 1rem; }
  .site-nav-item > a { display: block; padding: 0.85rem 0; }

  .site-nav-group {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.85rem 0 0.25rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sh-gold);
    cursor: default;
  }
  .site-nav-group::after { display: none; }

  .site-nav-sub,
  .has-sub:hover .site-nav-sub {
    display: block;
    position: static;
    background: none;
    box-shadow: none;
    padding: 0 0 0.5rem;
    min-width: 0;
  }
  .site-nav-sub::before { display: none; }
  .site-nav-sub a { padding: 0.5rem 0; }
  .site-nav-donate { display: inline-block; }
}