/* ============================================
   AYLF — SHARED HEADER STYLES
   Colors switch per page via body[data-theme]
   ============================================ */

:root {
  --hdr-bg: #ffffff;
  --hdr-bg-trans: rgba(255, 255, 255, .98);
  --hdr-ink: #0b0b0b;
  --hdr-accent: #2b5ea7;
  --hdr-accent-bg: #0a1a33;
  --hdr-accent-fg: #d4af37;
  --hdr-announce-bg: #0a1a33;
  --hdr-announce-fg: #d4af37;
  --hdr-line: rgba(43, 94, 167, .15);
  --hdr-font-body: "DM Sans", sans-serif;
  --hdr-font-display: "Manrope", sans-serif;
}

/* Page theme overrides */
body[data-theme="index"]      { --hdr-accent: #164b38; --hdr-accent-bg: #164b38; --hdr-accent-fg: #d5f36a; --hdr-announce-bg: #0c3025; --hdr-announce-fg: #d5f36a; }
body[data-theme="about"]      { --hdr-accent: #d4af37; --hdr-accent-bg: #050505; --hdr-accent-fg: #d4af37; --hdr-announce-bg: #050505; --hdr-announce-fg: #d4af37; }
body[data-theme="team"]       { --hdr-accent: #2b5ea7; --hdr-accent-bg: #0a1a33; --hdr-accent-fg: #d4af37; --hdr-announce-bg: #0a1a33; --hdr-announce-fg: #d4af37; }
body[data-theme="member"]     { --hdr-accent: #164b38; --hdr-accent-bg: #0c3025; --hdr-accent-fg: #d4af37; --hdr-announce-bg: #0c3025; --hdr-announce-fg: #d4af37; }
body[data-theme="program"]    { --hdr-accent: #a8871f; --hdr-accent-bg: #7d6214; --hdr-accent-fg: #f0d97e; --hdr-announce-bg: #7d6214; --hdr-announce-fg: #f0d97e; }
body[data-theme="department"] { --hdr-accent: #2b5ea7; --hdr-accent-bg: #0a1a33; --hdr-accent-fg: #d4af37; --hdr-announce-bg: #0a1a33; --hdr-announce-fg: #d4af37; }
body[data-theme="news"]       { --hdr-accent: #164b38; --hdr-accent-bg: #0c3025; --hdr-accent-fg: #d4af37; --hdr-announce-bg: #0c3025; --hdr-announce-fg: #d4af37; }
body[data-theme="gallery"]    { --hdr-accent: #2b5ea7; --hdr-accent-bg: #0a1a33; --hdr-accent-fg: #d4af37; --hdr-announce-bg: #0a1a33; --hdr-announce-fg: #d4af37; }
body[data-theme="contact"]    { --hdr-accent: #a8871f; --hdr-accent-bg: #7d6214; --hdr-accent-fg: #f0d97e; --hdr-announce-bg: #7d6214; --hdr-announce-fg: #f0d97e; }
body[data-theme="donate"]     { --hdr-accent: #8b1a1a; --hdr-accent-bg: #3d0808; --hdr-accent-fg: #e8c968; --hdr-announce-bg: #3d0808; --hdr-announce-fg: #e8c968; }

/* ANNOUNCEMENT */
.announcement {
  background: var(--hdr-announce-bg);
  color: var(--hdr-announce-fg);
  font-size: 12.5px;
  letter-spacing: .05em;
  font-weight: 600;
  border-bottom: 1px solid rgba(212, 175, 55, .25);
}
.announcement-inner { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 10px 0; }
.announcement a {
  color: var(--hdr-announce-fg);
  font-weight: 700;
  border-bottom: 1px solid currentColor;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--hdr-bg-trans);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--hdr-line);
  box-shadow: 0 2px 14px rgba(10, 26, 51, .06);
}
.nav-wrap { height: 84px; display: flex; align-items: center; justify-content: space-between; }

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.brand-logo-img {
  height: 62px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
  transition: transform .25s ease;
}
.brand:hover .brand-logo-img {
  transform: scale(1.05);
}

/* NAVIGATION TABS */
.main-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14.5px;
  font-weight: 600;
  font-family: var(--hdr-font-body);
}
.main-nav > a:not(.nav-cta) {
  transition: color .2s;
  color: var(--hdr-ink);
  padding: 6px 2px;
  white-space: nowrap;
}
.main-nav > a:not(.nav-cta):hover {
  color: var(--hdr-accent);
}
.main-nav > a.active {
  color: var(--hdr-accent);
  position: relative;
  font-weight: 700;
}
.main-nav > a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2.5px;
  background: var(--hdr-accent);
  border-radius: 2px;
}

.nav-cta {
  background: var(--hdr-accent-bg);
  color: var(--hdr-accent-fg);
  padding: 10px 18px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  transition: transform .2s, box-shadow .2s;
  margin-left: 6px;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(10, 26, 51, .15);
}
.nav-cta span { color: var(--hdr-accent-fg); margin-left: 8px; }

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
  border-radius: 4px;
}
.menu-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--hdr-accent-bg);
  margin: 5px 0;
  transition: transform .25s, opacity .25s;
  border-radius: 2px;
}

/* Medium Desktop / Small Laptop */
@media (max-width: 1220px) {
  .main-nav { gap: 12px; font-size: 13.5px; }
  .nav-cta { padding: 9px 14px; font-size: 13.5px; margin-left: 2px; }
}

/* Mobile & Tablet Drawer */
@media (max-width: 1024px) {
  .menu-toggle { display: block; z-index: 22; }
  .main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--hdr-bg);
    padding: 18px 24px 28px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    font-size: 16px;
    border-bottom: 1px solid var(--hdr-line);
    box-shadow: 0 18px 30px rgba(10, 26, 51, .12);
    max-height: calc(100vh - 76px);
    overflow-y: auto;
  }
  .main-nav.open { display: flex; }
  .main-nav > a:not(.nav-cta) {
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: 1px solid rgba(11, 11, 11, .07);
  }
  .main-nav > a.active::after { display: none; }
  .main-nav > a.active {
    font-weight: 700;
    color: var(--hdr-accent);
  }
  .main-nav .nav-cta {
    padding: 14px 18px;
    margin: 14px 0 4px;
    border-bottom: none;
    text-align: center;
    font-size: 15.5px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .nav-wrap { height: 76px; }
  .brand-logo-img { height: 50px; }
  .announcement-inner { font-size: 11px; }
  .announcement-inner span { max-width: 240px; }
}

@media (max-width: 480px) {
  .brand-logo-img { height: 44px; }
}