@charset "UTF-8";
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding: 20px;
  box-shadow: var(--shadow);
  position: sticky !important;
  top: 0;
  z-index: 10 !important;
}

header a {
  color: var(--text);
  text-decoration: none;
}

.home {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 10px;
  flex-basis: 0;
  flex-grow: 1;
  max-width: 100%;
}

.logo {
  height: 40px;
}

.logo > * {
  width: unset;
  height: 100%;
}

.title-text {
  display: flex;
  justify-content: flex-start;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 5px;
  min-width: 0;
  font-family: var(--title);
  text-align: left;
}

.title {
  font-size: var(--large);
}

.subtitle {
  opacity: 0.65;
  font-weight: var(--thin);
}

.nav-toggle {
  display: none;
  position: relative;
  width: 30px;
  height: 30px;
  margin: 0;
  color: var(--text);
  appearance: none;
  transition: background var(--transition);
}

.nav-toggle:after {
  content: "\f0c9";
  position: absolute;
  left: 50%;
  top: 50%;
  color: var(--text);
  font-size: 15px;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  transform: translate(-50%, -50%);
}

.nav-toggle:checked:after {
  content: "\f00d";
}

nav {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--heading);
  text-transform: uppercase;
}

nav > a {
  padding: 5px;
}

nav > a:hover {
  color: var(--primary);
}

@media (max-width: 700px) {
  header:not([data-big]) {
    justify-content: flex-end;
  }
  header:not([data-big]) .nav-toggle {
    display: flex;
  }
  header:not([data-big]) .nav-toggle:not(:checked) + nav {
    display: none;
  }
  header:not([data-big]) nav {
    align-items: flex-end;
    flex-direction: column;
    width: 100%;
  }
}

header[data-big] {
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding: 100px 20px;
  top: unset;
}
header[data-big] .home {
  flex-direction: column;
  flex-grow: 0;
}
header[data-big] .logo {
  height: 80px;
  flex-shrink: 0;
}
header[data-big] .title-text {
  flex-direction: column;
  align-items: center;
  text-align: center;
}
header[data-big] .title {
  font-size: var(--xxl);
}
header[data-big] .subtitle {
  font-size: var(--large);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

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

.site-nav .nav-link {
  display: block;
  padding: 10px 14px;
  text-decoration: none;
  color: inherit;
  white-space: nowrap;
}

.site-nav .nav-item:hover > .nav-link,
.site-nav .nav-item:focus-within > .nav-link {
  color: var(--primary);
}

.site-nav .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 210px;
  padding: 10px 0;
  background: white;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  z-index: 9999;
  text-align: center;
}

.site-nav .dropdown-menu::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid white;
}

.site-nav .has-dropdown:hover .dropdown-menu,
.site-nav .has-dropdown:focus-within .dropdown-menu {
  display: block;
}

.site-nav .dropdown-link {
  display: block;
  padding: 11px 18px;
  color: #111827;
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.4;
  white-space: nowrap;
}

.site-nav .dropdown-link:hover {
  color: var(--primary);
  background: #f5f7fa;
}

/* 모바일에서는 hover가 애매하니까 하위 메뉴를 펼쳐서 보여줌 */
@media (max-width: 700px) {
  .site-nav {
    display: block;
  }
  .site-nav .nav-item {
    width: 100%;
    text-align: right;
  }
  .site-nav .nav-link {
    padding: 8px 0;
  }
  .site-nav .dropdown-menu {
    display: block;
    position: static;
    transform: none;
    min-width: unset;
    padding: 0;
    background: transparent;
    box-shadow: none;
    text-align: right;
  }
  .site-nav .dropdown-menu::before {
    display: none;
  }
  .site-nav .dropdown-link {
    padding: 5px 0;
    font-size: 0.9rem;
    color: inherit;
    opacity: 0.75;
  }
  .site-nav .dropdown-link:hover {
    background: transparent;
  }
}
header,
header.background {
  overflow: visible;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

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

.site-nav .nav-link {
  display: block;
  padding: 10px 14px;
  text-decoration: none;
  color: inherit;
  white-space: nowrap;
}

.site-nav .nav-item:hover > .nav-link,
.site-nav .nav-item:focus-within > .nav-link {
  color: var(--primary);
}

.site-nav .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  padding: 10px 0;
  background: white;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  z-index: 9999;
  text-align: center;
}

.site-nav .dropdown-menu::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid white;
}

.site-nav .has-dropdown:hover .dropdown-menu,
.site-nav .has-dropdown:focus-within .dropdown-menu {
  display: block;
}

.site-nav .dropdown-link {
  display: block;
  padding: 11px 18px;
  color: #111827;
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.4;
  white-space: nowrap;
}

.site-nav .dropdown-link:hover {
  color: var(--primary);
  background: #f5f7fa;
}

/* White institutional header */
header.background {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #ffffff !important;
  background-image: none !important;
  color: #0f2a44 !important;
  border-bottom: 5px solid #0f2a44;
  box-shadow: 0 2px 10px rgba(15, 42, 68, 0.08);
}

/* 기존 header 배경 이미지/어두운 overlay 제거 */
header.background::before,
header.background::after {
  display: none !important;
}

/* 로고/사이트 제목 영역 */
header.background .logo,
header.background .title,
header.background .site-title,
header.background .site-title a,
header.background a[href="/"],
header.background a[href="/"] {
  color: #0f2a44 !important;
}

/* 상단 메뉴 */
header.background nav a,
header.background .site-nav .nav-link {
  color: #0f2a44 !important;
  font-weight: 700;
}

/* 메뉴 hover */
header.background nav a:hover,
header.background .site-nav .nav-link:hover,
header.background .site-nav .nav-item:hover > .nav-link {
  color: #005f9e !important;
}

/* 드롭다운 메뉴는 흰색 유지 */
header.background .dropdown-menu {
  background: #ffffff;
  border: 1px solid rgba(15, 42, 68, 0.12);
  box-shadow: 0 10px 28px rgba(15, 42, 68, 0.14);
}

/* 드롭다운 글씨 */
header.background .dropdown-link {
  color: #0f2a44 !important;
}

header.background .dropdown-link:hover {
  color: #005f9e !important;
  background: #f3f7fb;
}

/* Mobile visible menu button */
@media (max-width: 900px) {
  header.background {
    position: sticky;
    top: 0;
    z-index: 1000;
  }
  header.background .nav-toggle {
    display: block !important;
    appearance: none;
    -webkit-appearance: none;
    position: absolute;
    top: 50%;
    right: 18px;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    margin: 0;
    padding: 0;
    border: 1.5px solid rgba(15, 42, 68, 0.35);
    border-radius: 12px;
    background-color: #ffffff;
    background-image: linear-gradient(#0f2a44, #0f2a44), linear-gradient(#0f2a44, #0f2a44), linear-gradient(#0f2a44, #0f2a44);
    background-repeat: no-repeat;
    background-size: 22px 2.5px, 22px 2.5px, 22px 2.5px;
    background-position: center 13px, center 20px, center 27px;
    opacity: 1 !important;
    visibility: visible !important;
    cursor: pointer;
    z-index: 2000;
  }
  header.background .nav-toggle:checked {
    background-image: linear-gradient(45deg, transparent 47%, #0f2a44 48%, #0f2a44 52%, transparent 53%), linear-gradient(-45deg, transparent 47%, #0f2a44 48%, #0f2a44 52%, transparent 53%);
    background-size: 24px 24px, 24px 24px;
    background-position: center, center;
  }
  header.background .home {
    padding-right: 64px;
  }
}
/* Keep mobile menu button at top-right even when menu is open */
@media (max-width: 900px) {
  header.background .nav-toggle {
    position: absolute !important;
    top: 24px !important;
    right: 22px !important;
    transform: none !important;
    width: 42px;
    height: 42px;
    z-index: 3000;
  }
  header.background .nav-toggle:checked {
    top: 24px !important;
    right: 22px !important;
    transform: none !important;
  }
}

/*# sourceMappingURL=header.css.map */