/* One light, continuous frame carries the site's wayfinding. */
.header.site-wayfinding {
  --nav-gutter: clamp(12px, 2vw, 32px);
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  width: calc(100% - var(--nav-gutter) * 2); max-width: 1560px; height: 76px;
  padding: 0 18px 0 23px; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 24px;
  border: 1px solid #c1dfcf1c; border-radius: 23px;
  background: linear-gradient(110deg, #1c2622ab, #131a17ba 45%, #1a2621bf);
  box-shadow: 0 12px 36px #060b0710, inset 0 1px 0 #d5e8db05;
  backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px);
  transition: background .4s, border-color .4s, box-shadow .4s;
}
.header.site-wayfinding::after {
  content: ''; position: absolute; bottom: -1px; left: 12%; right: 12%; height: 1px;
  background: linear-gradient(90deg, transparent, #f6ac9724 22%, #8be4d745 52%, #d5b7f424 80%, transparent); pointer-events: none;
}
.header.site-wayfinding.is-reading {
  background: linear-gradient(110deg, #17221ded, #131b17eb 65%, #1a2722eb);
  border-color: #c1dfcf29; box-shadow: 0 12px 36px #060b0730, inset 0 1px 0 #d5e8db06;
}
.site-wayfinding .brand { gap: 17px; }
.header-mark { position: relative; display: block; width: 76px; flex-shrink: 0; }
.site-wayfinding .brand img { width: 100%; height: auto; }
.header-mark-light {
  position: absolute; inset: 0;
  mask: url('/itu-color-1.png') center / contain no-repeat; -webkit-mask: url('/itu-color-1.png') center / contain no-repeat;
  background: linear-gradient(105deg, transparent 30%, #eafff4b3 49%, transparent 65%) 170% 0 / 260% 100%;
  opacity: 0; transition: background-position 1.1s, opacity .4s;
}
.brand:hover .header-mark-light, .brand:focus-visible .header-mark-light { opacity: .65; background-position: -65% 0; }
.brand-signature { font: 400 8px/1.55 var(--body); letter-spacing: .1em; color: #a2b4a9; }
.site-wayfinding .desktop-nav { justify-self: center; display: flex; align-items: center; gap: 4px; margin: 0; font-size: 13px; }
.site-wayfinding .desktop-nav a {
  position: relative; display: flex; align-items: center; justify-content: center; white-space: nowrap;
  min-height: 44px; padding: 0 15px; border-radius: 14px; color: #b9c5bc;
}
.site-wayfinding .desktop-nav a::after {
  content: ''; position: absolute; width: 3px; height: 3px; border-radius: 50%; left: calc(50% - 1.5px); bottom: 4px;
  background: var(--discipline, #b5d9ca); opacity: 0; transform: translateY(-3px); transition: opacity .3s, transform .3s;
}
.site-wayfinding .desktop-nav a:hover, .site-wayfinding .desktop-nav a:focus-visible, .site-wayfinding .desktop-nav a[aria-current="page"] { color: var(--discipline, #d1e7da); background: #b4d3c108; }
.site-wayfinding .desktop-nav a:hover::after, .site-wayfinding .desktop-nav a[aria-current="page"]::after { opacity: 1; transform: none; }
.site-wayfinding .header-actions { gap: 12px; }
.site-wayfinding .header-contact {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 18px;
  min-height: 44px; padding: 6px 8px 6px 19px; border: 1px solid #addec437; border-radius: 30px;
  background: linear-gradient(120deg, #a4cdb516, #a4cdb509); color: #d6eadd; font-size: 13px; white-space: nowrap;
}
.site-wayfinding .header-contact-arrow { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: #b5d9ca; color: #162b21; font-size: 18px; transition: transform .4s, background .4s; }
.site-wayfinding .header-contact:hover { border-color: #b5d9ca88; background-color: #a4cdb513; }
.site-wayfinding .header-contact:hover .header-contact-arrow { transform: rotate(45deg); background: #ceeadc; }
.site-wayfinding .header-contact-short { display: none; }
.site-wayfinding .language { min-width: 32px; width: 32px; height: 44px; padding: 6px; border-radius: 12px; display: grid; place-items: center; }
.site-wayfinding .language { font: 400 10px/1 var(--body); letter-spacing: .04em; color: #b0c4b7; }
.site-wayfinding .language:hover { color: #d6eadd; background: #c0dec00b; }
.site-wayfinding .menu-toggle { width: 44px; height: 44px; gap: 6px; border: 1px solid #c1dfcf38; background: #b4d3c107; }
.site-wayfinding .menu-toggle span { width: 16px; background: #c6d9cc; }
.site-wayfinding .menu-toggle span:last-child { width: 11px; margin-left: 5px; }
.site-wayfinding .menu-toggle:hover { background: #b4d3c113; border-color: #c1dfcf66; }
.site-wayfinding .menu-toggle:hover span:first-child { width: 16px; }
.site-wayfinding .menu-toggle:hover span:last-child { width: 16px; margin-left: 0; }
.site-wayfinding .nav-about-short, .site-wayfinding .menu-toggle[hidden] { display: none; }
.site-wayfinding :focus-visible { outline-width: 1px; outline-offset: 3px; }
/* The open menu is a room within the same visual world. */
.site-menu {
  position: fixed; inset: 16px; margin: auto; width: min(1480px, calc(100% - 32px)); max-width: none;
  height: min(820px, calc(100dvh - 32px)); max-height: calc(100dvh - 32px);
  padding: 30px clamp(28px, 5vw, 76px) 32px; border: 1px solid #c1dfcf2b; border-radius: 28px;
  background: #151d19; color: var(--ink); overflow: auto; overscroll-behavior: contain; isolation: isolate;
  scrollbar-width: thin; scrollbar-color: #95b5a34d transparent;
}
.site-menu[open] { display: flex; flex-direction: column; gap: 36px; animation: menu-arrival .4s cubic-bezier(.2,.7,.2,1); }
.site-menu::backdrop { background: #070d0ac7; backdrop-filter: blur(12px); }
.menu-atmosphere { position: absolute; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; border-radius: inherit; background: radial-gradient(ellipse at 12% 62%, #8bbca713, transparent 60%), radial-gradient(ellipse at 85% 0, #bdadd30a, transparent 55%); }
.menu-atmosphere .silk { position: absolute; width: 76%; max-width: none; height: 110%; left: -23%; top: -7%; opacity: .3; transform: rotate(-17deg); }
.menu-atmosphere .silk-shape { animation: none; }
.site-menu .menu-top { display: flex; align-items: center; justify-content: space-between; gap: 24px; position: relative; flex-shrink: 0; }
.menu-brand { display: block; width: 77px; }
.menu-brand img { width: 100%; height: auto; }
.menu-signature { margin-right: auto; font-size: 9px; letter-spacing: .13em; color: #93ad9d; }
.site-menu .menu-close { display: grid; place-items: center; width: 44px; height: 44px; border-color: #c1dfcf40; flex-shrink: 0; background: #b4d3c108; }
.menu-close > span { position: relative; width: 17px; height: 17px; }
.menu-close > span::before, .menu-close > span::after { content: ''; position: absolute; left: 0; top: 8px; height: 1px; width: 17px; background: #c6d9cc; transform: rotate(45deg); }
.menu-close > span::after { transform: rotate(-45deg); }
.site-menu .menu-close:hover { background: #b4d3c118; transform: rotate(90deg); }
.menu-layout { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: clamp(40px, 8vw, 115px); margin-block: auto; padding-block: 8px; }
.menu-intro { grid-column: 1; grid-row: 1; }
.menu-layout > .menu-pages { grid-column: 1; grid-row: 2; align-self: start; }
.menu-layout > .menu-disciplines { grid-column: 2; grid-row: 1 / 3; }
.menu-layout { row-gap: 28px; }
.menu-label { display: block; font: 400 10px/1.6 var(--body); color: #98b1a2; letter-spacing: .12em; }
.site-menu h2 { font-size: clamp(58px, 6.4vw, 92px); line-height: 1.02; letter-spacing: -.035em; margin: 30px 0 0; text-transform: none; }
.site-menu h2 em { color: #b7d8c8; }
.menu-pages { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 26px; max-width: 370px; }
.menu-pages a { font-size: 13px; color: #b5c3b8; padding-block: 10px; min-height: 40px; }
.menu-pages a:hover, .menu-pages a[aria-current="page"] { color: #d7efdf; }
.menu-pages a[aria-current="page"] { text-decoration: underline; text-decoration-color: #b7d8c86b; text-underline-offset: 7px; }
.site-menu .menu-disciplines { min-width: 0; }
.menu-disciplines > .menu-label { padding-bottom: 24px; }
.site-menu .menu-disciplines a { display: grid; grid-template-columns: 20px minmax(0, 1fr) 30px; gap: 9px 20px; padding: 25px 0; border-color: #c1dfcf2c; }
.site-menu .menu-disciplines a > .menu-link-title { font: 400 clamp(34px, 3.5vw, 51px)/1.15 var(--display); letter-spacing: -.03em; color: var(--discipline); grid-column: 2; }
.site-menu .menu-disciplines a > .menu-link-number { font: 400 10px/1 var(--body); color: #89a594; grid-column: 1; grid-row: 1 / 3; }
.site-menu .menu-disciplines a > .menu-link-arrow { font: 400 24px/1 var(--body); color: var(--discipline); grid-column: 3; grid-row: 1 / 3; transition: transform .4s; }
.site-menu .menu-disciplines a > .menu-link-note { font: 400 12px/1.5 var(--body); color: #99b09f; letter-spacing: 0; grid-column: 2; grid-row: 2; }
.site-menu .menu-disciplines a:last-child { border-bottom: 1px solid #c1dfcf2c; }
.site-menu .menu-disciplines a:hover, .site-menu .menu-disciplines a[aria-current="page"] { border-top-color: var(--discipline); }
.site-menu .menu-disciplines a:hover .menu-link-arrow { transform: translate(3px,-3px); }
.menu-bottom { display: flex; justify-content: space-between; gap: 35px; align-items: end; padding-top: 26px; border-top: 1px solid #c1dfcf2c; }
.menu-invitation { display: inline-flex; gap: 40px; align-items: center; font: 400 clamp(24px, 2.6vw, 36px)/1.2 var(--display); color: #dce8de; letter-spacing: -.02em; padding-block: 8px; }
.menu-invitation > span { color: #b7d8c8; font-size: 27px; }
.menu-invitation:hover { color: #b7d8c8; }
.site-menu .menu-contact { display: flex; flex-direction: row; flex-wrap: wrap; justify-content: flex-end; gap: 10px 28px; font-size: 13px; color: #a7beae; }
.menu-contact a { padding-block: 10px; }
.menu-contact a:hover { color: #d7efdf; }
@keyframes menu-arrival { from { opacity: 0; transform: translateY(-12px) scale(.985); } to { opacity: 1; transform: none; } }
@media (max-width: 1250px) { .brand-signature { display: none; } }
@media (max-width: 1100px) {
  .header.site-wayfinding { gap: 16px; padding-inline: 20px 14px; }
  .site-wayfinding .header-contact-long { display: none; }
  .site-wayfinding .header-contact-short { display: inline; }
  .site-wayfinding .header-contact { gap: 10px; padding-left: 15px; }
  .site-wayfinding .desktop-nav a { padding-inline: 11px; }
  .site-wayfinding .header-actions { gap: 9px; }
  .header-mark { width: 70px; }
  .menu-layout { grid-template-columns: .8fr 1.2fr; gap: 6vw; }
  .site-menu .menu-contact { flex-direction: column; gap: 0; }
}
@media (max-width: 900px) {
  .header.site-wayfinding { top: 8px; height: 96px; padding: 0 14px 40px; gap: 15px; grid-template-columns: auto 1fr; border-radius: 22px; }
  .site-wayfinding .header-actions { justify-self: end; }
  .header-mark { width: 62px; }
  .site-wayfinding .desktop-nav { position: absolute; bottom: 0; inset-inline: 14px; width: calc(100% - 28px); justify-self: stretch; margin: 0; display: flex; justify-content: space-around; gap: 6px; border-top: 1px solid #c1dfcf1b; font-size: 12px; }
  .site-wayfinding .desktop-nav a { min-height: 39px; padding-inline: 12px; border-radius: 0; }
  .site-wayfinding .desktop-nav a::after { bottom: 4px; }
  .site-wayfinding .desktop-nav a:hover, .site-wayfinding .desktop-nav a[aria-current="page"] { background: none; }
  .site-wayfinding .header-contact { font-size: 11px; min-height: 40px; padding-block: 5px; }
  .site-wayfinding .menu-toggle { width: 40px; height: 40px; }
  .site-menu { padding: 24px 30px; }
  .site-menu h2 { font-size: 60px; }
  .menu-layout { gap: 35px; grid-template-columns: .75fr 1.25fr; }
  .menu-pages { grid-template-columns: 1fr; gap: 0; }
  .site-menu .menu-disciplines a { column-gap: 14px; }
  .site-menu .menu-disciplines a > .menu-link-title { font-size: 35px; }
}
@media (max-width: 760px) {
  .site-menu { inset: 8px; width: calc(100% - 16px); height: calc(100dvh - 16px); max-height: calc(100dvh - 16px); padding: 20px 22px 26px; border-radius: 23px; }
  .site-menu[open] { gap: 30px; }
  .menu-signature { display: none; }
  .menu-brand { width: 65px; }
  .menu-layout { grid-template-columns: 1fr; gap: 32px; padding: 0; margin: 0; }
  .menu-intro { display: contents; }
  .menu-intro > .menu-label { display: none; }
  .site-menu h2 { grid-row: 1; margin: 0; font-size: clamp(38px, 9vw, 52px); line-height: 1.05; }
  .site-menu h2 br { display: none; }
  .site-menu .menu-top { position: sticky; top: 0; background: #151d19; z-index: 2; isolation: isolate; }
  .site-menu .menu-top::before { content: ''; position: absolute; inset: -21px -1px -8px; background: #151d19; z-index: -1; pointer-events: none; }
  .menu-layout > .menu-pages { grid-row: 3; grid-template-columns: 1fr 1fr; gap: 2px 20px; max-width: none; }
  .menu-pages a { font-size: 13px; }
  .menu-layout > .menu-disciplines { grid-column: 1; grid-row: 2; }
  .menu-disciplines > .menu-label { padding-bottom: 20px; font-size: 9px; }
  .site-menu .menu-disciplines a { padding-block: 20px; column-gap: 14px; }
  .site-menu .menu-disciplines a > .menu-link-title { font-size: clamp(31px, 7.4vw, 43px); }
  .menu-bottom { flex-direction: column; align-items: stretch; gap: 18px; margin-top: auto; padding-top: 24px; }
  .menu-invitation { font-size: 27px; gap: 18px; justify-content: space-between; }
  .site-menu .menu-contact { flex-direction: row; justify-content: space-between; gap: 0 15px; font-size: 12px; }
}
@media (max-width: 480px) {
  .header.site-wayfinding { --nav-gutter: 8px; padding-inline: 12px; }
  .site-wayfinding .header-actions { gap: 5px; }
  .header-mark { width: 56px; }
  .site-wayfinding .header-contact { padding: 9px 13px; min-height: 38px; }
  .site-wayfinding .header-contact-arrow { display: none; }
  .site-wayfinding .language { min-width: 30px; width: 30px; height: 40px; }
  .site-wayfinding .desktop-nav { inset-inline: 10px; width: calc(100% - 20px); gap: 2px; font-size: 11px; }
  .site-wayfinding .desktop-nav a { padding-inline: 5px; }
  .site-wayfinding .nav-about-full { display: none; }
  .site-wayfinding .nav-about-short { display: inline; }
}
@media (max-width: 360px) {
  .header.site-wayfinding { gap: 8px; padding-inline: 10px; }
  .header-mark { width: 50px; }
  .site-wayfinding .header-actions { gap: 3px; }
  .site-wayfinding .header-contact { padding-inline: 11px; }
  .site-wayfinding .menu-toggle { width: 38px; height: 38px; }
  .site-menu { padding-inline: 18px; }
  .menu-pages { gap: 2px 14px; }
  .site-menu .menu-disciplines a { grid-template-columns: 17px minmax(0,1fr) 20px; column-gap: 10px; }
  .site-menu .menu-disciplines a > .menu-link-title { font-size: 27px; }
  .site-menu .menu-disciplines a > .menu-link-arrow { font-size: 20px; }
  .menu-invitation { font-size: 24px; }
}
@media (min-width: 761px) and (max-height: 720px) {
  .site-menu { padding-block: 22px; }
  .site-menu[open] { gap: 24px; }
  .site-menu h2 { font-size: 64px; margin-block: 20px; }
  .site-menu .menu-disciplines a { padding-block: 18px; }
  .site-menu .menu-disciplines a > .menu-link-title { font-size: 39px; }
  .menu-bottom { padding-top: 20px; }
}
html[data-motion-static] .site-wayfinding *, html[data-motion-static] .site-wayfinding *::after, html[data-motion-static] .site-menu, html[data-motion-static] .site-menu * { animation: none; transition: none; }
@media (prefers-reduced-motion: reduce) { .site-wayfinding, .site-wayfinding *, .site-wayfinding *::after, .site-menu, .site-menu * { animation: none !important; transition: none; } }
@media print { .header.site-wayfinding, .site-menu { display: none; } }