/* Walter Sisulu University public header — Vanguard brand */

@import url('vanguard-brand.css');
@import url('wsu-typography.css');

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

.wsu-container {
  width: min(1320px, 100%);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1rem, 3vw, 1.75rem);
  padding-right: clamp(1rem, 3vw, 1.75rem);
}

.wsu-site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 140;
  background: var(--wsu-nav-gradient);
  box-shadow: 0 8px 24px rgba(var(--vanguard-primary-rgb), 0.18);
}

body.has-wsu-site-header {
  padding-top: var(--wsu-header-height, 168px);
}

.wsu-site-header a {
  text-decoration: none;
}

/* Utility top bar */
.wsu-topbar {
  background: var(--wsu-topbar-gradient);
  color: var(--wsu-white);
  font-size: 0.76rem;
}

.wsu-topbar-inner {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wsu-topbar-inner--alumni {
  justify-content: center;
  gap: 0.5rem 1.5rem;
  flex-wrap: wrap;
  text-align: center;
}

.wsu-topbar-title {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.wsu-topbar-links {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.55rem;
  align-items: center;
  justify-content: center;
}

.wsu-topbar-links a {
  color: var(--wsu-white);
  font-weight: 600;
}

.wsu-topbar-links a:hover {
  color: var(--wsu-gold);
}

.wsu-topbar-sep {
  opacity: 0.55;
  user-select: none;
}

/* Mobile portal quick links — always visible beside each other on phones */
.wsu-mobile-portal-strip {
  display: none;
  flex-direction: row;
  align-items: stretch;
  background: #3d0f10;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.5rem clamp(0.65rem, 3vw, 1rem);
  gap: 0.45rem;
  position: relative;
  z-index: 13020;
}

.wsu-mobile-portal-strip__btn {
  flex: 1 1 0;
  min-width: 0;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.5rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0.15);
  pointer-events: auto;
  cursor: pointer;
}

.wsu-mobile-portal-strip__btn:hover,
.wsu-mobile-portal-strip__btn:focus-visible {
  background: rgba(255, 255, 255, 0.16);
  color: var(--wsu-gold);
  outline: none;
}

.wsu-mobile-portal-strip__btn.is-pending {
  opacity: 0.72;
  cursor: default;
}

/* Subdomain strip — unused; kept for optional future use */

/* Logo row */
.wsu-brandbar {
  background: var(--wsu-nav-gradient);
  border-bottom: 1px solid rgba(8, 8, 33, 0.1);
}

.wsu-brandbar-inner {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.25rem;
}

.wsu-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.wsu-brand img {
  display: block;
  width: min(280px, 58vw);
  height: auto;
  flex-shrink: 0;
}

.wsu-brand-tagline {
  display: block;
  border-left: 1px solid #c5cccf;
  padding-left: 1rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--wsu-navy);
  white-space: nowrap;
}

.wsu-search {
  display: flex;
  align-items: stretch;
  max-width: 520px;
  width: 100%;
  margin: 0 auto;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid #cfd6d8;
  background: #fff;
}

.wsu-search input[type="search"] {
  flex: 1;
  border: 0;
  padding: 0.62rem 1rem;
  font: inherit;
  font-size: 0.9rem;
  min-width: 0;
  background: transparent;
  color: var(--wsu-text);
}

.wsu-search input[type="search"]:focus {
  outline: none;
}

.wsu-search button {
  border: 0;
  background: var(--wsu-navy);
  color: #fff;
  font-weight: 700;
  font-size: 0.82rem;
  padding: 0 1.1rem;
  cursor: pointer;
}

.wsu-search button:hover {
  background: #12123f;
}

.wsu-brandbar-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.wsu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.58rem 1.15rem;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

a.wsu-btn.wsu-btn-primary,
.wsu-site-header a.wsu-btn-primary {
  background: var(--wsu-navy);
  color: #fff;
  text-decoration: none;
}

a.wsu-btn.wsu-btn-primary:hover,
a.wsu-btn.wsu-btn-primary:focus-visible,
.wsu-site-header a.wsu-btn-primary:hover,
.wsu-site-header a.wsu-btn-primary:focus-visible {
  background: var(--vanguard-primary-dark, #3a0f10);
  color: #fff;
}

.wsu-btn-secondary {
  background: #fff;
  color: var(--wsu-navy);
  border: 1px solid #cfd6d8;
}

.wsu-btn-secondary:hover {
  background: #f7f7f7;
  color: var(--wsu-navy);
}

.wsu-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid #cfd6d8;
  border-radius: 8px;
  background: #fff;
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  z-index: 2;
}

.wsu-nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--wsu-navy);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.wsu-site-header.is-nav-open .wsu-nav-toggle .wsu-sr-only ~ span:nth-of-type(1) {
  transform: translateY(7px) rotate(45deg);
}

.wsu-site-header.is-nav-open .wsu-nav-toggle .wsu-sr-only ~ span:nth-of-type(2) {
  opacity: 0;
}

.wsu-site-header.is-nav-open .wsu-nav-toggle .wsu-sr-only ~ span:nth-of-type(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Main menu — gradient bar (full width) */
.wsu-main-nav {
  position: relative;
  z-index: 1;
  background: var(--wsu-main-nav-gradient);
  border-top: 1px solid rgba(8, 8, 33, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.65),
    0 4px 16px rgba(8, 8, 33, 0.1);
}

.wsu-main-nav > .wsu-container {
  background: transparent;
  overflow: visible;
}

.wsu-main-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  width: 100%;
  background: transparent;
}

.wsu-main-nav-item {
  position: relative;
}

.wsu-main-nav-item > a {
  display: block;
  padding: 0.95rem 0.82rem;
  color: var(--wsu-navy);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.2;
  text-align: center;
}

.wsu-main-nav-item.has-children > a::after {
  content: "▾";
  margin-left: 0.28rem;
  font-size: 0.72em;
  opacity: 0.85;
}

.wsu-main-nav-item > a:hover,
.wsu-main-nav-item:focus-within > a {
  background: var(--wsu-nav-hover-gradient);
  color: var(--wsu-navy);
}

.wsu-main-nav-item.is-active > a {
  background: var(--wsu-nav-active-gradient);
  color: var(--wsu-navy);
  box-shadow: inset 0 -3px 0 var(--wsu-gold);
}

.wsu-main-nav-item--portal > a {
  margin: 0.45rem 0.25rem;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--wsu-topbar-gradient);
  color: #fff;
  align-self: center;
}

.wsu-main-nav-item--portal > a:hover,
.wsu-main-nav-item--portal:focus-within > a {
  background: linear-gradient(135deg, #12123f 0%, #252560 100%);
  color: #fff;
}

/* Dropdowns */
.wsu-dropdown {
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 280px;
  background: var(--wsu-dropdown-gradient);
  border: 1px solid rgba(8, 8, 33, 0.1);
  border-top: 3px solid var(--wsu-gold);
  box-shadow: 0 18px 40px rgba(8, 8, 33, 0.16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
  z-index: 50;
}

.wsu-main-nav-item:hover .wsu-dropdown,
.wsu-main-nav-item:focus-within .wsu-dropdown,
.wsu-main-nav-item.is-open .wsu-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.wsu-dropdown-list,
.wsu-dropdown-grid {
  display: grid;
  gap: 0.15rem;
  padding: 0.55rem;
}

.wsu-dropdown--portal {
  min-width: min(640px, 92vw);
}

.wsu-dropdown--portal .wsu-dropdown-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.wsu-dropdown--faculties {
  min-width: min(440px, 92vw);
  max-width: min(440px, calc(100vw - 2rem));
}

.wsu-dropdown--faculties .wsu-dropdown-grid {
  grid-template-columns: 1fr;
  gap: 0.2rem;
  max-height: min(68vh, 480px);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.wsu-dropdown-link--all {
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.78rem;
  border-bottom: 1px solid #ececf2;
  border-radius: 0;
  margin-bottom: 0.15rem;
  padding-bottom: 0.65rem;
}

.wsu-dropdown-link.wsu-dropdown-link--faculty {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 0.65rem;
  align-items: center;
}

.wsu-dropdown-faculty-thumb {
  width: 52px;
  height: 36px;
  object-fit: cover;
  border-radius: 5px;
  border: 1px solid rgba(8, 8, 33, 0.1);
}

.wsu-dropdown-link-label {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.wsu-dropdown-section {
  grid-column: 1 / -1;
  padding: 0.45rem 0.65rem 0.2rem;
  font-size: 0.68rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6b7280;
}

.wsu-dropdown-section:not(:first-child) {
  margin-top: 0.35rem;
  border-top: 1px solid #ececf2;
  padding-top: 0.75rem;
}

.wsu-dropdown-link {
  display: block;
  padding: 0.62rem 0.7rem;
  border-radius: 6px;
  color: var(--wsu-text);
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.35;
}

.wsu-dropdown-link:hover,
.wsu-dropdown-link.is-current {
  background: var(--wsu-dropdown-hover-gradient);
  color: var(--wsu-navy);
}

/* Responsive */
@media (min-width: 901px) {
  .wsu-main-nav-item.has-children .wsu-dropdown {
    left: 50%;
    right: auto;
    transform: translateX(-50%) translateY(8px);
  }

  .wsu-main-nav-item.has-children:hover .wsu-dropdown,
  .wsu-main-nav-item.has-children:focus-within .wsu-dropdown,
  .wsu-main-nav-item.has-children.is-open .wsu-dropdown {
    transform: translateX(-50%) translateY(0);
  }
}

@media (max-width: 1100px) {
  .wsu-main-nav-item > a {
    padding-inline: 0.62rem;
    font-size: 0.72rem;
  }
}

@media (max-width: 900px) {
  body.wsu-nav-open {
    overflow: hidden;
    touch-action: none;
  }

  .wsu-mobile-portal-strip {
    display: flex;
  }

  .wsu-topbar-inner--alumni {
    justify-content: center;
  }

  .wsu-brand-tagline {
    display: none;
  }

  .wsu-brandbar-actions .wsu-btn {
    display: none;
  }

  .wsu-nav-toggle {
    display: inline-flex;
    flex-shrink: 0;
  }

  .wsu-brandbar-actions {
    position: relative;
    z-index: 3;
  }

  .wsu-nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 12990;
    border: 0;
    padding: 0;
    margin: 0;
    background: rgba(8, 8, 33, 0.5);
    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }

  .wsu-nav-backdrop:not([hidden]) {
    display: block;
  }

  .wsu-main-nav {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    top: var(--wsu-mobile-nav-top, 130px);
    bottom: 0;
    z-index: 13000;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    border-top: 1px solid rgba(8, 8, 33, 0.1);
    box-shadow: 0 12px 32px rgba(8, 8, 33, 0.18);
  }

  .wsu-site-header.is-nav-open .wsu-main-nav,
  body.wsu-nav-open #wsu-main-nav-panel {
    display: block;
  }

  .wsu-main-nav > .wsu-container {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding-left: 1rem;
    padding-right: 1rem;
    padding-bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
    box-sizing: border-box;
  }

  .wsu-main-nav-list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    width: 100%;
    max-width: 100%;
  }

  .wsu-main-nav-item {
    border-bottom: 1px solid rgba(8, 8, 33, 0.08);
  }

  .wsu-main-nav-item > a {
    padding: 0.95rem 0.35rem;
    text-align: left;
    font-size: 0.82rem;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(8, 8, 33, 0.08);
    cursor: pointer;
  }

  .wsu-main-nav-item.has-children > a::after {
    flex-shrink: 0;
    margin-left: 0.75rem;
  }

  .wsu-main-nav-item--portal > a {
    margin: 0;
    border-radius: 8px;
    justify-content: flex-start;
  }

  .wsu-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    border-top: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.45) 0%, rgba(212, 220, 225, 0.35) 100%);
    display: none;
    min-width: 0;
    left: auto;
    right: auto;
    width: 100%;
    max-width: 100%;
  }

  .wsu-main-nav-item.has-children .wsu-dropdown {
    left: auto;
    right: auto;
    transform: none;
  }

  .wsu-main-nav-item.is-open .wsu-dropdown {
    display: block;
  }

  .wsu-dropdown--portal .wsu-dropdown-grid {
    grid-template-columns: 1fr;
    max-height: none;
    overflow: visible;
  }

  .wsu-dropdown--faculties {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    left: auto;
  }

  .wsu-dropdown--faculties .wsu-dropdown-grid {
    grid-template-columns: 1fr;
    max-height: none;
    overflow: visible;
    padding: 0.35rem 0.5rem 0.75rem;
    gap: 0.12rem;
  }

  .wsu-dropdown-link {
    padding: 0.75rem 0.85rem;
    min-height: 48px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    touch-action: manipulation;
  }

  .wsu-dropdown-link--all {
    display: flex;
    align-items: center;
    width: 100%;
    margin-bottom: 0.25rem;
    padding-bottom: 0.75rem;
  }

  .wsu-dropdown-link.wsu-dropdown-link--faculty {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 0.7rem;
    align-items: center;
    padding: 0.7rem 0.65rem;
  }

  .wsu-dropdown-faculty-thumb {
    width: 56px;
    height: 40px;
    flex-shrink: 0;
  }

  .wsu-dropdown-link-label {
    font-size: 0.84rem;
    line-height: 1.35;
  }

  .wsu-main-nav-item--faculties.is-open > a {
    background: var(--wsu-nav-active-gradient);
  }

  .wsu-main-nav-item--faculties .wsu-dropdown {
    border-top: 1px solid rgba(8, 8, 33, 0.08);
  }
}

@media (max-width: 640px) {
  .wsu-topbar {
    font-size: 0.7rem;
  }

  .wsu-topbar-inner {
    min-height: auto;
    padding-top: 0.45rem;
    padding-bottom: 0.45rem;
  }

  .wsu-topbar-title {
    font-size: 0.68rem;
    line-height: 1.35;
    max-width: 100%;
  }

  .wsu-topbar-links {
    display: none;
  }

  .wsu-brandbar-inner {
    min-height: auto;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    gap: 0.65rem;
  }

  .wsu-brand {
    flex: 1;
    min-width: 0;
  }

  .wsu-brand img {
    width: min(200px, 62vw);
    max-height: 52px;
    object-fit: contain;
  }

  .wsu-brandbar-actions {
    gap: 0.4rem;
    flex-shrink: 0;
  }

  .wsu-nav-toggle {
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 400px) {
  .wsu-container {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .wsu-brand img {
    width: min(170px, 58vw);
  }

  .wsu-topbar-title {
    font-size: 0.62rem;
  }

  .wsu-dropdown-link.wsu-dropdown-link--faculty {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 0.55rem;
    padding: 0.65rem 0.5rem;
  }

  .wsu-dropdown-faculty-thumb {
    width: 44px;
    height: 32px;
  }

  .wsu-dropdown-link-label {
    font-size: 0.8rem;
  }
}

.alumni-container {
  width: min(1320px, 100%);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1rem, 3vw, 1.75rem);
  padding-right: clamp(1rem, 3vw, 1.75rem);
}