/* ============================================================
   SITE SHELL — shared header + nav
   Overrides the legacy per-page header styles so every page has
   the same look. Loaded AFTER the page stylesheet so it wins.
   ============================================================ */

#main-header,
#main_nav_wrap,
#main_nav,
.site-shell {
  font-family: "Manrope", "Karla", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* === Header band === */
#main-header {
  background: #0f172a !important;
  color: #ffffff !important;
  padding: 22px 0 14px !important;
  text-align: center !important;
  border-radius: 0 !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
  line-height: 1 !important;
}
#main-header h1,
#main-header h3 {
  color: #ffffff !important;
  background: transparent !important;
  display: block !important;
  margin: 0 !important;
  padding: 0 !important;
  letter-spacing: -0.015em;
  font-family: "Manrope", sans-serif !important;
  text-align: center !important;
}
#main-header h1 {
  font-size: 28px !important;
  font-weight: 800 !important;
  line-height: 1 !important;
}
#main-header h3 {
  font-size: 12px !important;
  font-weight: 500 !important;
  font-style: italic !important;
  opacity: 0.65;
  margin-top: 2px !important;
  line-height: 1 !important;
}
#main-header h3 em { font-style: italic; }

/* === Nav band === */
#main_nav_wrap {
  background: #0f172a !important;
  border: 0 !important;
  padding: 0 !important;
  height: auto !important;
  overflow: visible !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
}
#main_nav,
#main_nav.fixed {
  background: #0f172a !important;
  max-width: 1180px !important;
  margin: 0 auto !important;
  padding: 0 !important;
  position: static !important;
  width: auto !important;
}
#main_nav > ul.container,
#main_nav > ul {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  flex-wrap: wrap !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  background: transparent !important;
  width: auto !important;
  max-width: none !important;
  overflow: visible !important;
  font-size: medium !important;
}
#main_nav > ul > li {
  overflow: visible !important;
}
#main_nav > ul > li {
  position: relative;
  margin: 0 !important;
  padding: 0 !important;
  background: transparent !important;
  list-style: none !important;
}
#main_nav > ul > li > a {
  display: block !important;
  padding: 14px 20px !important;
  color: rgba(255, 255, 255, 0.85) !important;
  text-decoration: none !important;
  font-size: 12.5px !important;
  font-weight: 700 !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;
  font-family: "Manrope", sans-serif !important;
  transition: background 0.15s ease, color 0.15s ease;
  background: transparent !important;
  border: 0 !important;
}
#main_nav > ul > li > a:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  color: #ffffff !important;
}
#main_nav > ul > li > a > span {
  display: inline;
  padding: 0 !important;
  line-height: inherit !important;
  border-bottom: 0 !important;
}
/* Kill legacy .sel underline (was hard-coded on HOME and OTHER) */
#main_nav > ul > li.sel > a span,
#main_nav > ul > li:hover > a span {
  border-bottom: 0 !important;
}
#main_nav > ul > li.sel > a,
#main_nav > ul > li:hover > a {
  color: #ffffff !important;
}

/* === Dropdowns (GCSE / A-Level / Other) === */
/* Wide multi-column mega-menu so all subjects fit without scrolling */
#main_nav > ul > li.sub > ul,
#main_nav > ul > li > ul {
  display: none !important;
  position: absolute !important;
  top: 100% !important;
  left: 50% !important;
  right: auto !important;
  transform: translateX(-50%) !important;
  background: #1e293b !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: 10px !important;
  padding: 14px 18px !important;
  margin: 6px 0 0 !important;
  list-style: none !important;
  width: min(720px, calc(100vw - 32px)) !important;
  max-height: none !important;
  overflow: visible !important;
  z-index: 100 !important;
  box-shadow: 0 10px 30px -8px rgba(0, 0, 0, 0.5) !important;
  text-align: left !important;
  /* multi-column flow */
  column-count: 3 !important;
  column-gap: 18px !important;
  column-fill: balance !important;
}
/* "Other" dropdown has only 5 items, no need for 3 cols */
#main_nav > ul > li:not(.sub) > ul,
#main_nav > ul > li.sub:has(li:nth-child(8)):not(:has(li:nth-child(15))) > ul {
  column-count: 1 !important;
  width: min(280px, calc(100vw - 32px)) !important;
}
#main_nav > ul > li:hover > ul,
#main_nav > ul > li:focus-within > ul {
  display: block !important;
}
#main_nav > ul > li > ul li {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  break-inside: avoid !important;
}
#main_nav > ul > li > ul li a {
  display: block !important;
  padding: 6px 10px !important;
  color: rgba(255, 255, 255, 0.82) !important;
  text-decoration: none !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
  background: transparent !important;
  font-family: "Karla", sans-serif !important;
  border-radius: 5px !important;
  transition: background 0.12s ease, color 0.12s ease;
  line-height: 1.4;
}
#main_nav > ul > li > ul li a:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  color: #ffffff !important;
}
@media (max-width: 720px) {
  #main_nav > ul > li > ul {
    column-count: 2 !important;
    width: min(440px, calc(100vw - 24px)) !important;
  }
}
@media (max-width: 480px) {
  #main_nav > ul > li > ul {
    column-count: 1 !important;
    width: min(280px, calc(100vw - 24px)) !important;
    max-height: 70vh !important;
    overflow-y: auto !important;
  }
}

/* Current page indicator (we use class="is-current" on the nav link) */
#main_nav > ul > li > a.is-current {
  color: #ffffff !important;
  position: relative;
}
#main_nav > ul > li > a.is-current::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 8px;
  height: 2px;
  background: #60a5fa;
  border-radius: 2px;
}

/* === Mobile === */
@media (max-width: 720px) {
  #main-header { padding: 16px 0 10px !important; }
  #main-header h1 { font-size: 22px !important; }
  #main_nav > ul > li > a {
    padding: 12px 14px !important;
    font-size: 11.5px !important;
  }
}
@media (max-width: 480px) {
  #main_nav > ul > li > a {
    padding: 10px 10px !important;
    letter-spacing: 0.05em !important;
  }
}