:root {
  --navy: #003366;
  --navy-deep: #02284d;
  --blue: #0056b3;
  --blue-bright: #007bff;
  --sky: #dbeeff;
  --yellow: #ffcc00;
  --yellow-pale: #fff3cd;
  --paper: #f0f4f8;
  --white: #ffffff;
  --ink: #19293a;
  --text: #33465a;
  --muted: #6a7b8d;
  --line: #d8e0ea;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  --shadow: 0 24px 60px rgba(0, 51, 102, 0.12);
  --shell: min(1200px, calc(100% - 48px));
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; overflow-x: clip; }

body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button, input, select { font: inherit; }

button { color: inherit; }

::selection { color: var(--navy); background: var(--yellow); }

.shell { width: var(--shell); margin-inline: auto; }

.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;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--navy);
  background: var(--yellow);
  transform: translateY(-150%);
  transition: transform .2s ease;
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.16);
  transition: background .3s ease, box-shadow .3s ease, transform .35s ease;
}

.site-header.scrolled {
  background: rgba(0, 51, 102, .96);
  box-shadow: 0 12px 30px rgba(0, 28, 58, .18);
  backdrop-filter: blur(14px);
}

.header-inner {
  width: min(1380px, calc(100% - 48px));
  min-height: 86px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

/* The seminar version uses a deliberately minimal navigation switcher. */
.header-inner { justify-content: center; }

.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }

.brand-mark { width: 43px; height: 43px; overflow: visible; }

.brand-mark circle,
.brand-mark path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-mark circle:last-child { fill: var(--yellow); stroke: var(--yellow); }

.brand-copy { display: grid; line-height: 1.2; }

.brand-copy strong { font-family: var(--serif); font-size: 1rem; letter-spacing: .01em; }

.brand-copy small { display: grid; gap: 2px; margin-top: 4px; color: rgba(255,255,255,.68); font-size: .58rem; letter-spacing: .075em; text-transform: uppercase; }

.brand-copy small span:first-child { color: rgba(255,255,255,.94); font-weight: 700; }

.brand-copy small b { color: rgba(255,255,255,.9); font-weight: 700; }

.primary-nav { display: flex; align-items: center; gap: 5px; }

.nav-dropdown { position: relative; }
.nav-dropdown::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 14px; }

.nav-link {
  min-height: 40px;
  padding: 10px 11px;
  border-radius: 5px;
  color: rgba(255,255,255,.82);
  background: transparent;
  border: 0;
  font-size: .79rem;
  cursor: pointer;
  transition: color .2s ease, background .2s ease;
}

.nav-link:hover,
.nav-link.active { color: var(--white); background: rgba(255,255,255,.1); }

.nav-cta { margin-left: 5px; padding-inline: 15px; color: var(--navy); background: var(--yellow); }

.nav-cta:hover,
.nav-cta.active { color: var(--navy); background: #ffda42; }

.nav-cta span { margin-left: 4px; }

.nav-dropdown-toggle,
.nav-dropdown-direct { display: inline-flex; align-items: center; gap: 7px; }
.nav-chevron { margin-top: -3px; font-size: 1rem; line-height: 1; transition: transform .2s ease; }
.nav-dropdown.is-open .nav-chevron,
.nav-dropdown:focus-within .nav-chevron { transform: rotate(180deg); }

.nav-submenu {
  position: absolute;
  z-index: 120;
  top: calc(100% + 12px);
  left: 0;
  width: 245px;
  overflow: hidden;
  display: grid;
  padding: 8px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 4px;
  background: rgba(1, 40, 78, .98);
  box-shadow: 0 22px 50px rgba(0, 20, 45, .28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity .2s ease, visibility .2s, transform .2s ease;
}

.nav-submenu-wide { right: 0; left: auto; width: 320px; }

.nav-submenu::before { content: ""; position: absolute; inset: 0 0 auto; height: 2px; background: var(--yellow); }
.nav-submenu a { display: grid; grid-template-columns: 48px 1fr; align-items: center; gap: 10px; min-height: 46px; padding: 8px 10px; border-radius: 3px; color: rgba(255,255,255,.82); font-size: .7rem; line-height: 1.35; transition: color .2s ease, background .2s ease; }
.nav-submenu a + a { border-top: 1px solid rgba(255,255,255,.09); }
.nav-submenu a span { color: var(--yellow); font-family: var(--serif); font-size: .64rem; letter-spacing: .04em; }
.nav-submenu a:hover,
.nav-submenu a:focus-visible { color: var(--white); background: rgba(255,255,255,.08); outline: none; }
.nav-dropdown.is-open .nav-submenu,
.nav-dropdown:focus-within .nav-submenu { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.nav-dropdown:hover .nav-submenu { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.nav-dropdown:hover .nav-chevron { transform: rotate(180deg); }

@media (hover: hover) and (min-width: 901px) {
  .nav-dropdown:hover .nav-submenu { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
  .nav-dropdown:hover .nav-chevron { transform: rotate(180deg); }
}

.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: 800px;
  padding-top: 86px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 68% 30%, rgba(0,123,255,.24), transparent 28%),
    linear-gradient(135deg, var(--navy-deep), var(--navy) 58%, #004986);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .11;
  background-image:
    linear-gradient(rgba(255,255,255,.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.16) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 85%);
}

.orbit {
  position: absolute;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 50%;
  pointer-events: none;
}

.orbit::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  top: 50%;
  left: -5px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 20px rgba(255,204,0,.7);
}

.orbit-one { width: 560px; height: 560px; right: -255px; top: 70px; animation: rotate 28s linear infinite; }
.orbit-two { width: 330px; height: 330px; left: -180px; bottom: 30px; animation: rotate 22s linear infinite reverse; }

@keyframes rotate { to { transform: rotate(360deg); } }

.hero-layout {
  position: relative;
  z-index: 2;
  min-height: 714px;
  display: grid;
  grid-template-columns: 1.03fr .97fr;
  align-items: center;
  gap: clamp(40px, 7vw, 100px);
  padding-block: 88px 70px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: rgba(255,255,255,.68);
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.eyebrow > span { width: 34px; height: 2px; background: var(--yellow); }
.eyebrow.dark { color: var(--blue); }
.eyebrow.light { color: rgba(255,255,255,.62); }

.hero h1,
.section-heading h2,
.research-copy h2,
.positions-heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .98;
}

.hero h1 { max-width: 680px; font-size: clamp(3.25rem, 5vw, 5.25rem); line-height: .96; }

.hero h1 em { color: inherit; font-weight: 400; }
.positions-heading h2 em { color: var(--yellow); font-weight: 400; }
.hero h1 .title-accent { color: var(--yellow); }

.hero-lede {
  max-width: 660px;
  margin: 28px 0 34px;
  color: rgba(255,255,255,.76);
  font-size: clamp(.86rem, 1.05vw, 1rem);
  line-height: 1.78;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 14px 21px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: .79rem;
  font-weight: 700;
  letter-spacing: .02em;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.button:hover { transform: translateY(-3px); }
.button-primary { color: var(--navy); background: var(--yellow); box-shadow: 0 10px 30px rgba(255,204,0,.18); }
.button-primary:hover { background: #ffda3c; box-shadow: 0 15px 35px rgba(255,204,0,.25); }
.button-ghost { color: var(--white); border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.04); }
.button-ghost:hover { background: rgba(255,255,255,.1); }

.hero-visual { position: relative; justify-self: end; width: min(100%, 620px); }

.image-frame {
  position: relative;
  z-index: 1;
  aspect-ratio: 1.08 / 1;
  max-height: 540px;
  overflow: hidden;
  border-radius: 3px 3px 92px 3px;
  box-shadow: 0 35px 80px rgba(0,15,38,.36);
}

.image-frame::before {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 14px;
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 1px 1px 78px 1px;
  pointer-events: none;
}

.image-frame img { width: 100%; height: 100%; object-fit: cover; object-position: 62% center; }

.image-wash { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,34,70,.2), transparent 58%); }

.formula-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid rgba(255,255,255,.2);
  color: var(--white);
  background: rgba(1,39,78,.84);
  box-shadow: 0 18px 40px rgba(0,19,43,.25);
  backdrop-filter: blur(8px);
  animation: float 5s ease-in-out infinite;
}

.formula-card .navier-stokes-system {
  color: var(--white);
  font-family: "Cambria Math", "STIX Two Math", "Times New Roman", serif;
  font-size: clamp(.88rem, 1.18vw, 1.08rem);
  white-space: nowrap;
}
.formula-card .system-brace,
.formula-card .equation-lines,
.formula-card .equation-lines mtd { color: var(--white); }
.formula-card .system-brace { padding-right: .18em; }
.formula-card .equation-lines mtd { padding-block: .08em; }

.formula-a { left: -38px; bottom: 11%; }

@keyframes float { 50% { transform: translateY(-10px); } }

.section { padding-block: 120px; }

.structure-section { background: var(--paper); }

.section-heading h2,
.research-copy h2 { font-size: clamp(3rem, 5vw, 5.3rem); color: var(--navy); }

.split-heading,
.people-heading {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: end;
  gap: 70px;
  margin-bottom: 58px;
}

.split-heading > p,
.people-heading > p {
  max-width: 500px;
  margin: 0 0 8px;
  padding-left: 25px;
  border-left: 2px solid var(--yellow);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.8;
}

.community-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

.community-card {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 32px 34px;
  border: 1px solid var(--line);
  border-radius: 3px;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}

.community-card::before {
  content: "";
  position: absolute;
  width: 330px;
  height: 330px;
  right: -190px;
  top: -180px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: .12;
  transition: transform .5s ease;
}

.community-card:hover { transform: translateY(-8px); border-color: rgba(0,86,179,.35); box-shadow: var(--shadow); }
.community-card:hover::before { transform: scale(1.18); }
.faculty-card { color: var(--white); background: var(--navy); border-color: var(--navy); }
.junior-card { color: var(--navy); background: var(--white); }
.community-index { font-family: var(--serif); font-size: 1rem; opacity: .55; }
.community-icon { position: absolute; top: 28px; right: 32px; }
.community-icon svg { width: 50px; height: 50px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.community-card > div:nth-of-type(2) { align-self: end; }
.card-kicker { margin: 0 0 8px; opacity: .65; font-size: .65rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.community-card h3 { margin: 0 0 27px; font-family: var(--serif); font-size: clamp(2rem, 3vw, 3rem); font-weight: 400; }
.community-summary { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 18px; margin: 0; padding-top: 18px; border-top: 1px solid color-mix(in srgb, currentColor 18%, transparent); }
.community-summary strong { font-family: var(--serif); font-size: 2.25rem; font-weight: 400; line-height: 1; }
.community-summary span { max-width: 390px; opacity: .72; font-size: .76rem; line-height: 1.6; }
.faculty-card .community-summary { border-color: rgba(255,255,255,.2); }
.community-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
  padding-top: 15px;
  border-top: 1px solid color-mix(in srgb, currentColor 18%, transparent);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.community-action i { width: 34px; height: 34px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid currentColor; border-radius: 50%; font-style: normal; transition: color .25s ease, background .25s ease, transform .25s ease; }
.community-card:hover .community-action i { color: var(--navy); background: var(--yellow); border-color: var(--yellow); transform: translateX(3px); }

.people-section { padding-top: 110px; background: var(--paper); }
.people-heading { margin-bottom: 42px; }

.people-directory-layout {
  display: grid;
  grid-template-columns: 255px minmax(0, 1fr);
  align-items: start;
  gap: 42px;
}
.people-directory-content {
  min-width: 0;
  grid-column: 2;
  grid-row: 1;
}
.people-toolbar {
  position: sticky;
  top: 106px;
  grid-column: 1;
  grid-row: 1;
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
  gap: 0;
  margin: 0;
  padding: 0 0 22px;
  border-block: 1px solid var(--line);
  border-top: 5px solid var(--yellow);
  background: transparent;
  box-shadow: none;
}

.people-toolbar-title {
  margin: 0;
  padding: 22px 0 17px;
  border-bottom: 1px solid var(--line);
  color: var(--blue);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.people-toolbar label,
.people-view-control { display: grid; gap: 9px; padding: 19px 0; border-bottom: 1px solid var(--line); }
.people-toolbar label > span:first-child,
.people-view-control > span { color: var(--blue); font-size: .59rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.search-field { min-height: 44px; display: flex; align-items: center; gap: 9px; padding: 0 3px; border: 0; border-bottom: 1px solid #b9c9d8; background: transparent; transition: border-color .2s ease, box-shadow .2s ease; }
.search-field:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,86,179,.1); }
.search-field svg { width: 18px; height: 18px; flex: 0 0 auto; fill: none; stroke: var(--blue); stroke-width: 1.8; }
.search-field input { min-width: 0; width: 100%; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: .76rem; }
.people-filter select { min-height: 44px; width: 100%; padding: 0 30px 0 3px; border: 0; border-bottom: 1px solid #b9c9d8; border-radius: 0; color: var(--text); background: transparent; font-size: .76rem; cursor: pointer; }
.people-view-control > div { min-height: 44px; display: flex; padding: 3px; border: 1px solid var(--line); background: rgba(255,255,255,.72); }
.view-button { min-width: 0; flex: 1; padding: 8px 11px; border: 0; color: var(--muted); background: transparent; font-size: .68rem; font-weight: 700; cursor: pointer; }
.view-button.active,
.view-button[aria-pressed="true"] { color: var(--white); background: var(--blue); }
.people-results { margin: 18px 0 0; color: var(--muted); font-size: .66rem; }

.people-group { scroll-margin-top: 150px; }
.junior-group { margin-top: 120px; }

.group-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 30px;
  padding: 29px 35px;
  color: var(--white);
  background: var(--navy);
  border-left: 6px solid var(--yellow);
}

.group-banner > div { display: flex; align-items: center; gap: 22px; }
.group-number { display: grid; place-items: center; width: 38px; height: 38px; flex: 0 0 auto; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; color: var(--yellow); font-family: var(--serif); }
.group-banner h3 { margin: 0; font-family: var(--serif); font-size: 2rem; font-weight: 400; }
.group-banner p { max-width: 480px; margin: 0; color: rgba(255,255,255,.65); font-size: .8rem; line-height: 1.75; }

.people-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.people-list { margin-top: 32px; }
.junior-list { grid-template-columns: repeat(3, 1fr); }

.person-card {
  display: grid;
  grid-template-columns: 150px 1fr;
  min-height: 210px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: #fbfdff;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease, opacity .2s ease;
}

.person-card:hover { transform: translateY(-5px); border-color: rgba(0,86,179,.35); box-shadow: 0 18px 38px rgba(0,51,102,.09); }
.portrait {
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--blue);
}

.portrait::before,
.portrait::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 50%;
}

.portrait::before { width: 180px; height: 180px; right: -110px; top: -95px; }
.portrait::after { width: 70px; height: 70px; left: -45px; bottom: -30px; }
.portrait span { position: relative; z-index: 1; font-family: var(--serif); font-size: 2.15rem; letter-spacing: -.04em; }
.portrait small { position: absolute; left: 12px; bottom: 10px; color: rgba(255,255,255,.58); font-size: .54rem; letter-spacing: .13em; }
.portrait-blue { background: linear-gradient(145deg, #0056b3, #003366); }
.portrait-gold { color: var(--navy); background: linear-gradient(145deg, #ffcc00, #f2a900); }
.portrait-cyan { background: linear-gradient(145deg, #00a0c7, #006a98); }
.portrait-ink { background: linear-gradient(145deg, #41566c, #1a2e43); }
.portrait-coral { background: linear-gradient(145deg, #e77a67, #b3474f); }
.portrait-sky { color: var(--navy); background: linear-gradient(145deg, #a9d7ff, #5aa6dd); }
.portrait-violet { background: linear-gradient(145deg, #7666c5, #453b88); }
.portrait-mint { color: var(--navy); background: linear-gradient(145deg, #78d6c6, #30a693); }

.person-info { display: flex; flex-direction: column; padding: 24px 25px 20px; }
.person-role { margin: 0 0 7px; color: var(--blue); font-size: .62rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.person-info h5 { margin: 0 0 10px; color: var(--navy); font-family: var(--serif); font-size: 1.6rem; font-weight: 400; }
.person-name { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; }
.person-name-zh { color: var(--blue); font-family: var(--sans); font-size: .62em; font-weight: 600; letter-spacing: .05em; }
.person-info > p:not(.person-role) { margin: 0 0 20px; color: var(--text); font-size: .78rem; line-height: 1.65; }
.person-links { display: flex; gap: 16px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); }
.person-links a { color: var(--muted); font-size: .67rem; font-weight: 700; }
.person-links a:hover { color: var(--blue); }
.profile-links { flex-wrap: wrap; gap: 6px; }
.profile-links a { padding: 5px 8px; border: 1px solid var(--line); border-radius: 999px; color: var(--blue); font-size: .59rem; line-height: 1; transition: color .2s ease, background .2s ease, border-color .2s ease; }
.profile-links a:hover { color: var(--white); background: var(--blue); border-color: var(--blue); }

.person-card.compact { grid-template-columns: 105px 1fr; min-height: 170px; }
.compact .portrait span { font-size: 1.65rem; }
.compact .person-info { padding: 19px 19px 15px; }
.compact .person-info h5 { margin-bottom: 5px; font-size: 1.3rem; }
.compact .person-info > p:not(.person-role) { margin-bottom: 10px; }

.people-table-view { margin-top: 8px; border: 1px solid var(--line); border-top: 4px solid var(--navy); background: var(--white); box-shadow: var(--shadow); }
.people-table-scroll { width: 100%; overflow-x: auto; }
#people-table { width: 100%; min-width: 860px; border-collapse: collapse; color: var(--text); font-size: .72rem; }
#people-table th { padding: 18px 16px; color: var(--navy); background: #edf3f8; font-size: .65rem; letter-spacing: .07em; text-align: left; text-transform: uppercase; }
#people-table td { padding: 17px 16px; border-top: 1px solid var(--line); vertical-align: middle; }
#people-table tbody tr { transition: background .18s ease; }
#people-table tbody tr:hover { background: #f5f9fd; }
.table-name { display: grid; gap: 2px; color: var(--navy); font-family: var(--serif); font-size: 1rem; font-weight: 700; }
.table-name span[lang] { color: var(--blue); font-family: var(--sans); font-size: .68rem; font-weight: 600; }
.table-community { min-height: 32px; display: inline-flex; align-items: center; justify-content: center; padding: 5px 10px; border-radius: 999px; color: var(--blue); background: var(--sky); font-size: .58rem; font-weight: 700; line-height: 1.2; text-align: center; }
#people-table th:nth-child(3),
#people-table td:nth-child(3),
#people-table th:nth-child(5),
#people-table td:nth-child(5) { text-align: center; }
#people-table td:nth-child(3) .table-community { min-width: 82px; }
#people-table td:nth-child(5) .table-community { min-width: 108px; }
.table-links { display: flex; flex-wrap: wrap; gap: 5px; }
.table-links a { padding: 4px 7px; border: 1px solid var(--line); border-radius: 999px; color: var(--blue); font-size: .56rem; font-weight: 700; }
.people-empty { margin-top: 22px; padding: 50px 25px; border: 1px dashed #9eb2c6; background: #f7fafe; text-align: center; }
.people-empty strong { color: var(--navy); font-family: var(--serif); font-size: 1.45rem; font-weight: 400; }
.people-empty p { margin: 6px 0 17px; color: var(--muted); font-size: .75rem; }
.people-empty button { padding: 8px 13px; border: 1px solid var(--blue); color: var(--blue); background: var(--white); font-size: .68rem; font-weight: 700; cursor: pointer; }

.research-section { background: var(--paper); }
.research-intro { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 80px; }
.research-copy > p:not(.eyebrow) { max-width: 520px; margin: 27px 0; color: var(--text); font-size: .94rem; line-height: 1.85; }
.text-link { display: inline-flex; align-items: center; gap: 22px; color: var(--blue); font-size: .74rem; font-weight: 700; }
.text-link span { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--blue); border-radius: 50%; transition: color .2s ease, background .2s ease; }
.text-link:hover span { color: var(--white); background: var(--blue); }
.research-image { position: relative; margin: 0; }
.research-image::before { content: ""; position: absolute; z-index: 0; right: -18px; bottom: -18px; width: 68%; height: 65%; background: var(--yellow); }
.research-image img { position: relative; z-index: 1; width: 100%; aspect-ratio: 1.35 / 1; object-fit: cover; object-position: center; filter: saturate(.92) contrast(1.03); }
.research-image figcaption { position: absolute; z-index: 2; left: -45px; bottom: 26px; width: 275px; padding: 17px 20px; color: rgba(255,255,255,.72); background: var(--navy); font-family: var(--serif); font-size: .9rem; line-height: 1.55; }
.research-image figcaption span { color: var(--yellow); }

.activity-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; margin-top: 100px; }
.research-theme-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.activity-card { overflow: hidden; border: 1px solid var(--line); background: var(--white); transition: transform .35s ease, box-shadow .35s ease; }
.activity-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.activity-visual { position: relative; height: 175px; overflow: hidden; color: var(--white); background: var(--navy); }
.activity-visual > span,
.visual-number { position: absolute; left: 20px; top: 17px; z-index: 2; color: var(--yellow); font-family: var(--serif); font-size: .8rem; }
.wave-visual svg { position: absolute; inset: 25px -20px 0; width: calc(100% + 40px); height: 140px; fill: none; stroke: rgba(255,255,255,.55); stroke-width: 1.4; }
.wave-visual svg path:last-child { stroke: var(--blue-bright); }
.node-visual { background: #0056b3; }
.node-visual .n { position: absolute; z-index: 2; width: 13px; height: 13px; border: 2px solid var(--white); border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 6px rgba(255,255,255,.08); }
.n1 { left: 24%; top: 58%; }.n2 { left: 48%; top: 32%; }.n3 { left: 73%; top: 62%; }.n4 { left: 55%; top: 73%; }
.node-visual .l { position: absolute; height: 1px; background: rgba(255,255,255,.55); transform-origin: left center; }
.l1 { width: 32%; left: 25%; top: 61%; transform: rotate(-35deg); }.l2 { width: 32%; left: 49%; top: 36%; transform: rotate(35deg); }.l3 { width: 25%; left: 56%; top: 76%; transform: rotate(-19deg); }
.orbit-visual { background: #023f77; }
.orbit-visual::before,
.orbit-visual::after,
.orbit-visual i { content: ""; position: absolute; left: 50%; top: 53%; border: 1px solid rgba(255,255,255,.42); border-radius: 50%; transform: translate(-50%, -50%) rotate(-18deg); }
.orbit-visual::before { width: 73%; height: 42%; }
.orbit-visual::after { width: 52%; height: 68%; transform: translate(-50%, -50%) rotate(42deg); }
.orbit-visual i { width: 29%; height: 82%; transform: translate(-50%, -50%) rotate(-62deg); }
.orbit-visual b { position: absolute; left: 65%; top: 34%; width: 18px; height: 18px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 9px rgba(255,204,0,.12), 0 0 28px rgba(255,204,0,.5); }
.combined-visual { background: linear-gradient(135deg, #003366, #0056b3); }
.combined-visual::before,
.combined-visual::after { content: ""; position: absolute; left: 50%; top: 54%; border: 1px solid rgba(255,255,255,.42); border-radius: 50%; transform: translate(-50%, -50%) rotate(-18deg); }
.combined-visual::before { width: 65%; height: 56%; }
.combined-visual::after { width: 37%; height: 78%; transform: translate(-50%, -50%) rotate(48deg); }
.combined-visual b { position: absolute; left: 65%; top: 31%; width: 16px; height: 16px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 8px rgba(255,204,0,.13); }
.combined-visual .trajectory { position: absolute; left: 18%; right: 18%; height: 1px; background: rgba(255,255,255,.26); transform-origin: center; }
.combined-visual .t1 { top: 38%; transform: rotate(10deg); }.combined-visual .t2 { top: 56%; transform: rotate(-12deg); }.combined-visual .t3 { top: 72%; transform: rotate(6deg); }
.activity-content { padding: 27px 27px 25px; }
.activity-content > p:first-child { margin: 0 0 8px; color: var(--blue); font-size: .63rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.activity-content h3 { min-height: 78px; margin: 0 0 14px; color: var(--navy); font-family: var(--serif); font-size: 1.48rem; font-weight: 400; line-height: 1.28; }
.activity-content > p:nth-of-type(2) { min-height: 98px; margin: 0; padding-top: 16px; border-top: 1px solid var(--line); color: var(--text); font-size: .78rem; line-height: 1.65; }

.seminar-hub { margin-top: 80px; padding: 54px 55px; display: grid; grid-template-columns: .72fr 1.28fr; gap: 54px; color: var(--white); background: var(--navy); }
.seminar-intro h3 { margin: 0; font-family: var(--serif); font-size: clamp(2rem, 3.2vw, 2.75rem); font-weight: 400; line-height: 1.08; }
.seminar-intro > p:last-child { margin: 22px 0 0; color: rgba(255,255,255,.58); font-size: .74rem; line-height: 1.7; }
.seminar-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.seminar-card { min-width: 0; display: flex; flex-direction: column; padding: 24px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.055); transition: transform .3s ease, border-color .3s ease, background .3s ease; }
.seminar-card:hover { transform: translateY(-5px); border-color: rgba(255,204,0,.7); background: rgba(255,255,255,.09); }
.seminar-code { width: 50px; height: 50px; display: grid; place-items: center; margin-bottom: 28px; border-radius: 50%; color: var(--navy); background: var(--yellow); font-size: .65rem; font-weight: 800; letter-spacing: .06em; }
.seminar-card small { display: block; min-height: 35px; color: rgba(255,255,255,.48); font-size: .56rem; font-weight: 700; line-height: 1.55; letter-spacing: .08em; text-transform: uppercase; }
.seminar-card h4 { margin: 8px 0 12px; font-family: var(--serif); font-size: 1.28rem; font-weight: 400; line-height: 1.25; }
.seminar-card p { margin: 0 0 22px; color: rgba(255,255,255,.6); font-size: .68rem; line-height: 1.65; }
.seminar-link { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.14); color: var(--yellow); font-size: .63rem; font-weight: 700; }
.seminar-link i { font-style: normal; font-size: .9rem; }

.activities-section { position: relative; overflow: hidden; color: var(--white); background: var(--navy); }
.activities-section::before { content: ""; position: absolute; inset: 0; opacity: .08; background-image: linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px); background-size: 72px 72px; }
.activities-section .shell { position: relative; z-index: 1; }
.activities-heading { margin-bottom: 55px; }
.activities-heading h2 { color: var(--white); font-size: clamp(3rem, 5vw, 5.3rem); }
.activities-heading > p { color: rgba(255,255,255,.68); }
.activity-links-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.academic-event-card { min-height: 420px; display: flex; flex-direction: column; padding: 28px; border: 1px solid rgba(255,255,255,.19); background: rgba(255,255,255,.055); transition: transform .3s ease, border-color .3s ease, background .3s ease; }
.academic-event-card:hover { transform: translateY(-7px); border-color: var(--yellow); background: rgba(255,255,255,.09); }
.event-topline { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 52px; color: rgba(255,255,255,.48); font-size: .58rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.event-code { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 50%; color: var(--navy); background: var(--yellow); font-size: .62rem; }
.academic-event-card > div:nth-child(2) > p:first-child { margin: 0 0 8px; color: var(--yellow); font-size: .59rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.academic-event-card h3 { margin: 0 0 15px; font-family: var(--serif); font-size: 1.55rem; font-weight: 400; line-height: 1.2; }
.academic-event-card > div:nth-child(2) > p:last-child { margin: 0; color: rgba(255,255,255,.61); font-size: .72rem; line-height: 1.7; }
.event-action { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: auto; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.14); color: var(--yellow); font-size: .65rem; font-weight: 700; }
.event-action i { font-style: normal; transition: transform .2s ease; }
.academic-event-card:hover .event-action i { transform: translateX(4px); }
.conference-card { grid-column: 1 / -1; min-height: 250px; display: grid; grid-template-columns: 170px minmax(0, 1fr) 220px; align-items: center; gap: 34px; background: rgba(0,123,255,.12); }
.conference-card .event-topline { display: grid; justify-items: start; gap: 16px; margin: 0; }
.conference-card h3 { max-width: 650px; margin-bottom: 0; font-size: clamp(1.8rem, 3vw, 2.7rem); }
.conference-card .event-action { align-self: stretch; margin: 0; padding: 0 0 0 28px; border-top: 0; border-left: 1px solid rgba(255,255,255,.15); }

.positions-section { position: relative; overflow: hidden; padding-block: 120px 90px; color: var(--white); background: #001f3e; }
.positions-section::before { content: ""; position: absolute; inset: 0; opacity: .09; background-image: linear-gradient(rgba(255,255,255,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.2) 1px, transparent 1px); background-size: 72px 72px; }
.positions-orbit { position: absolute; width: 600px; height: 600px; right: -330px; top: -170px; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; }
.positions-orbit::after { content: ""; position: absolute; inset: 90px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; }
.positions-section .shell { position: relative; z-index: 2; }
.positions-heading { display: grid; grid-template-columns: 1.15fr .85fr; align-items: end; gap: 70px; margin-bottom: 60px; }
.positions-heading h2 { font-size: clamp(3rem, 5.4vw, 5.7rem); }
.positions-heading > p { max-width: 470px; margin: 0 0 10px; padding-left: 24px; border-left: 2px solid var(--yellow); color: rgba(255,255,255,.64); font-size: .94rem; line-height: 1.8; }
.international-support { display: grid; grid-template-columns: 58px 1.25fr 1fr auto; align-items: center; gap: 24px; margin: -12px 0 54px; padding: 25px 27px; border: 1px solid rgba(255,255,255,.17); border-left: 4px solid var(--yellow); background: rgba(255,255,255,.055); }
.international-icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 50%; color: var(--yellow); background: rgba(255,204,0,.1); }
.international-icon svg { width: 30px; height: 30px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.international-copy > p:first-child { margin: 0 0 5px; color: var(--yellow); font-size: .59rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.international-copy h3 { margin: 0 0 7px; font-family: var(--serif); font-size: 1.32rem; font-weight: 400; }
.international-copy > p:last-child { margin: 0; color: rgba(255,255,255,.56); font-size: .68rem; line-height: 1.6; }
.international-support ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px 14px; }
.international-support li { position: relative; padding-left: 13px; color: rgba(255,255,255,.69); font-size: .62rem; line-height: 1.45; }
.international-support li::before { content: ""; position: absolute; left: 0; top: .55em; width: 5px; height: 5px; border-radius: 50%; background: var(--yellow); }
.international-support > a { max-width: 150px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 13px; border: 1px solid rgba(255,255,255,.24); color: var(--white); font-size: .61rem; font-weight: 700; line-height: 1.35; transition: color .2s ease, background .2s ease; }
.international-support > a:hover { color: var(--navy); background: var(--yellow); border-color: var(--yellow); }
.position-overview { display: grid; grid-template-columns: 1.4fr .6fr; gap: 50px; margin-bottom: 34px; padding: 42px 45px; border: 1px solid rgba(255,255,255,.18); border-top: 4px solid var(--yellow); background: rgba(255,255,255,.055); }
.position-status { display: flex; align-items: center; gap: 9px; margin: 0 0 17px; color: #86e2a1; font-size: .62rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.position-status span { width: 8px; height: 8px; border-radius: 50%; background: #5bdd84; box-shadow: 0 0 0 5px rgba(91,221,132,.12); }
.position-overview h3 { margin: 0; font-family: var(--serif); font-size: clamp(1.8rem, 3vw, 2.55rem); font-weight: 400; line-height: 1.16; }
.position-overview-copy > p:nth-of-type(2) { max-width: 700px; margin: 18px 0 20px; color: rgba(255,255,255,.63); font-size: .78rem; line-height: 1.75; }
.position-overview ul { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.position-overview li { padding: 6px 10px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; color: rgba(255,255,255,.72); font-size: .62rem; }
.position-overview-action { display: flex; flex-direction: column; justify-content: center; align-items: stretch; gap: 12px; padding-left: 35px; border-left: 1px solid rgba(255,255,255,.16); }
.position-overview-action > span { color: var(--yellow); font-size: .61rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.position-overview-action small { color: rgba(255,255,255,.48); font-size: .62rem; text-align: center; }
.position-overview + .international-support { margin-top: 0; margin-bottom: 0; }
.position-list { border-top: 1px solid rgba(255,255,255,.18); }
.position-row { min-height: 154px; display: grid; grid-template-columns: 160px 1.5fr 1.1fr 52px; align-items: center; gap: 26px; border-bottom: 1px solid rgba(255,255,255,.16); transition: background .25s ease, padding .25s ease; }
.position-row:hover { padding-inline: 18px; background: rgba(255,255,255,.055); }
.status { display: flex; align-items: center; gap: 8px; color: #86e2a1; font-size: .62rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; }
.status span { width: 7px; height: 7px; border-radius: 50%; background: #5bdd84; box-shadow: 0 0 0 5px rgba(91,221,132,.12); }
.status.rolling { color: var(--yellow); }
.status.rolling span { background: var(--yellow); box-shadow: 0 0 0 5px rgba(255,204,0,.12); }
.position-row > div:nth-child(2) p { margin: 0 0 5px; color: rgba(255,255,255,.46); font-size: .61rem; text-transform: uppercase; letter-spacing: .12em; }
.position-row h3 { margin: 0; font-family: var(--serif); font-size: 1.65rem; font-weight: 400; }
.position-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.position-meta span { padding: 6px 9px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; color: rgba(255,255,255,.62); font-size: .59rem; }
.position-row > a { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; transition: color .2s ease, background .2s ease, transform .2s ease; }
.position-row:hover > a { color: var(--navy); background: var(--yellow); border-color: var(--yellow); transform: rotate(45deg); }
.positions-footer { display: flex; justify-content: space-between; align-items: center; gap: 30px; margin-top: 48px; }
.positions-footer p { color: rgba(255,255,255,.6); font-family: var(--serif); font-size: 1.15rem; }
.button-accent { color: var(--navy); background: var(--yellow); }

.subpage-site-header { background: rgba(0, 51, 102, .98); box-shadow: 0 12px 30px rgba(0, 28, 58, .16); }
.positions-page-hero { position: relative; min-height: 680px; overflow: hidden; display: flex; align-items: center; padding: 150px 0 90px; color: var(--white); background: radial-gradient(circle at 75% 28%, rgba(0,123,255,.24), transparent 28%), linear-gradient(135deg, var(--navy-deep), var(--navy)); }
.positions-page-hero .hero-grid { opacity: .09; }
.positions-page-hero .positions-orbit { right: -170px; top: -150px; }
.positions-page-hero-inner { position: relative; z-index: 2; }
.positions-page-index { margin: 0 0 20px; color: rgba(255,255,255,.52); font-size: .63rem; font-weight: 800; letter-spacing: .17em; }
.positions-page-hero h1 { max-width: 900px; margin: 0; color: var(--white); font-family: var(--serif); font-size: clamp(3.8rem, 7vw, 7rem); font-style: normal; font-weight: 400; letter-spacing: -.045em; line-height: .93; }
.positions-page-hero h1 em { color: inherit; font-style: inherit; font-weight: 400; }
.positions-page-hero-inner > p:nth-of-type(3) { max-width: 690px; margin: 28px 0 34px; color: rgba(255,255,255,.68); font-size: .92rem; line-height: 1.8; }

.positions-detail { background: var(--paper); }
.positions-detail-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); align-items: start; gap: clamp(45px, 7vw, 95px); }
.positions-side-nav { position: sticky; z-index: 5; top: 106px; align-self: start; max-height: calc(100vh - 128px); overflow-y: auto; display: grid; padding: 22px 0; border-top: 3px solid var(--yellow); border-bottom: 1px solid var(--line); background: var(--paper); }
.positions-side-nav > span { margin-bottom: 12px; color: var(--blue); font-size: .6rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.positions-side-nav a { padding: 9px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .68rem; }
.positions-side-nav a:hover { color: var(--blue); }
.detail-heading { margin-bottom: 46px; }
.detail-heading h2,
.detail-section > h2,
.international-detail h2,
.download-panel h2,
.positions-contact h2 { margin: 0; color: var(--navy); font-family: var(--serif); font-weight: 400; letter-spacing: -.035em; line-height: 1.04; }
.detail-heading h2 { font-size: clamp(3rem, 5.5vw, 5rem); }
.detail-heading > p:last-child { max-width: 760px; margin: 26px 0 0; padding-left: 23px; border-left: 2px solid var(--yellow); color: var(--text); font-size: .86rem; line-height: 1.8; }
.opportunity-stack { display: grid; border-top: 1px solid var(--line); }
.opportunity-card { min-height: 235px; display: grid; grid-template-columns: 1.15fr .85fr; align-items: start; gap: 42px; padding: 36px 0; border-bottom: 1px solid var(--line); }
.opportunity-card h3 { margin: 0 0 15px; color: var(--navy); font-family: var(--serif); font-size: 2rem; font-weight: 400; line-height: 1.15; }
.opportunity-card > div p { margin: 0; color: var(--text); font-size: .76rem; line-height: 1.75; }
.opportunity-card ul { list-style: none; margin: 0; padding: 0; }
.opportunity-card li { position: relative; padding: 8px 0 8px 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .66rem; line-height: 1.45; }
.opportunity-card li::before { content: ""; position: absolute; left: 0; top: 1.05em; width: 5px; height: 5px; border-radius: 50%; background: var(--yellow); }
.detail-section { scroll-margin-top: 110px; margin-top: 92px; padding-top: 38px; border-top: 4px solid var(--navy); }
.detail-section > h2,
.international-detail h2 { font-size: clamp(2.3rem, 4vw, 3.5rem); }
.detail-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px; margin-top: 37px; }
.detail-columns > div { padding: 29px; border: 1px solid var(--line); background: var(--white); }
.detail-columns h3 { margin: 0 0 17px; color: var(--navy); font-family: var(--serif); font-size: 1.35rem; font-weight: 400; }
.detail-columns ul { margin: 0; padding-left: 18px; }
.detail-columns li { margin: 9px 0; color: var(--text); font-size: .72rem; line-height: 1.55; }
.application-steps { list-style: none; margin: 38px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.application-steps li { display: grid; grid-template-columns: 42px 1fr; gap: 18px; padding: 26px; border: 1px solid var(--line); background: var(--white); }
.application-steps li > span { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; color: var(--navy); background: var(--yellow); font-family: var(--serif); }
.application-steps h3 { margin: 0 0 7px; color: var(--navy); font-family: var(--serif); font-size: 1.2rem; font-weight: 400; }
.application-steps p { margin: 0; color: var(--muted); font-size: .69rem; line-height: 1.65; }
.application-note { display: grid; grid-template-columns: 120px 1fr; gap: 24px; margin-top: 18px; padding: 22px 25px; border: 1px solid var(--line); border-left: 4px solid var(--yellow); background: #f7fbff; color: var(--text); }
.application-note strong { color: var(--blue); font-size: .65rem; letter-spacing: .09em; text-transform: uppercase; }
.application-note p { margin: 0; color: var(--muted); font-size: .68rem; line-height: 1.65; }
.international-detail { display: grid; grid-template-columns: 62px 1fr; gap: 24px 30px; color: var(--white); background: var(--navy); border-top-color: var(--yellow); padding: 38px; }
.international-detail h2 { color: var(--white); }
.international-detail .international-icon { align-self: start; }
.international-detail > div:nth-child(2) > p:last-child { color: rgba(255,255,255,.64); font-size: .73rem; line-height: 1.75; }
.international-detail ul { grid-column: 2; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; margin: 4px 0 0; padding: 0; list-style: none; }
.international-detail li { position: relative; padding-left: 16px; color: rgba(255,255,255,.75); font-size: .68rem; }
.international-detail li::before { content: ""; position: absolute; left: 0; top: .6em; width: 5px; height: 5px; border-radius: 50%; background: var(--yellow); }
.download-panel { scroll-margin-top: 110px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 35px; margin-top: 70px; padding: 39px; border: 1px solid #b9c8d7; border-left: 5px solid var(--yellow); background: var(--white); box-shadow: var(--shadow); }
.download-panel > div { max-width: 720px; padding-left: 22px; border-left: 2px solid var(--blue); }
.download-panel h2 { max-width: 680px; font-size: clamp(1.65rem, 2.6vw, 2.25rem); line-height: 1.12; }
.guide-download-panel { background: #f7fbff; }
.positions-international-support { scroll-margin-top: 110px; margin: 70px 0 0; color: var(--white); background: var(--navy); box-shadow: var(--shadow); }
.obfuscated-email { color: var(--blue); font-weight: 700; white-space: nowrap; }
.positions-contact { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 35px; margin-top: 25px; padding: 40px; color: var(--white); background: var(--blue); }
.positions-contact p { margin: 0 0 5px; color: var(--yellow); font-size: .62rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.positions-contact h2 { color: var(--white); font-size: 2rem; }

.site-footer { padding: 64px 0 20px; color: var(--text); background: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1.55fr 1.45fr .7fr 1.3fr; gap: 50px; padding-bottom: 48px; }
.footer-brand { display: flex; gap: 14px; color: var(--navy); }
.footer-brand .brand-mark { flex: 0 0 auto; }
.footer-brand strong { font-family: var(--serif); font-size: 1rem; }
.footer-brand p,
.footer-contact p { margin: 5px 0 0; color: var(--muted); font-size: .68rem; line-height: 1.7; }
.footer-contact,
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.footer-contact > span,
.footer-links > span { margin-bottom: 6px; color: var(--blue); font-size: .61rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.footer-contact a { color: var(--navy); font-family: var(--serif); font-size: .9rem; }
.footer-contact .contact-email { margin: 5px 0 0; color: var(--muted); font-family: var(--sans); font-size: .68rem; font-weight: 400; letter-spacing: normal; line-height: 1.7; text-transform: none; white-space: normal; }
.footer-contact .contact-email strong { color: inherit; font-weight: inherit; }
.footer-links a { color: var(--muted); font-size: .7rem; }
.footer-links a:hover,
.footer-contact a:hover { color: var(--blue); }
.footer-bottom { min-height: 58px; display: flex; justify-content: space-between; align-items: center; gap: 25px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: .62rem; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: var(--blue); }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .75s cubic-bezier(.2,.7,.2,1), transform .75s cubic-bezier(.2,.7,.2,1);
  transition-delay: var(--delay, 0ms);
}

.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  .header-inner { min-height: 76px; }
  .brand-copy small { display: none; }
  .nav-link { padding-inline: 8px; font-size: .72rem; }
  .hero { padding-top: 76px; }
  .hero-layout { grid-template-columns: 1.06fr .94fr; gap: 50px; }
  .junior-list { grid-template-columns: repeat(2, 1fr); }
  .activity-content h3 { min-height: 82px; }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 36px, 720px); }
  .header-inner { width: calc(100% - 36px); }
  .menu-toggle { width: 44px; height: 44px; display: grid; align-content: center; gap: 5px; padding: 10px; border: 1px solid rgba(255,255,255,.24); border-radius: 3px; background: transparent; cursor: pointer; }
  .menu-toggle span:not(.sr-only) { display: block; height: 1px; background: var(--white); transition: transform .2s ease, opacity .2s ease; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .primary-nav { position: fixed; inset: 76px 0 0; overflow-y: auto; display: grid; grid-template-columns: 1fr; align-content: start; gap: 10px; padding: 20px 18px 42px; background: var(--navy); opacity: 0; visibility: hidden; transform: translateX(100%); transition: opacity .3s ease, visibility .3s, transform .3s ease; }
  .primary-nav.open { opacity: 1; visibility: visible; transform: translateX(0); }
  .nav-link { width: 100%; min-height: 44px; display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; border: 1px solid rgba(255,255,255,.14); border-radius: 3px; color: var(--white); background: rgba(255,255,255,.055); text-align: left; font-family: var(--serif); font-size: 1rem; }
  .primary-nav > a[href="#home"] { color: var(--navy); background: var(--white); border-color: var(--white); }
  .nav-cta { margin: 0; padding-inline: 14px; border: 0; border-radius: 3px; color: var(--navy); background: var(--yellow); }
  .nav-dropdown { width: 100%; padding: 10px; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.035); }
  .nav-dropdown::after { display: none; }
  .nav-dropdown-toggle,
  .nav-dropdown-direct { display: flex; border: 0; border-bottom: 2px solid var(--yellow); border-radius: 0; background: transparent; }
  .nav-submenu,
  .nav-submenu-wide { position: static; width: 100%; display: grid; margin-top: 7px; padding: 6px; border: 0; border-radius: 3px; background: rgba(0, 28, 58, .5); box-shadow: none; opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
  .nav-submenu a { min-height: 48px; grid-template-columns: 50px 1fr; padding-inline: 11px; font-size: .75rem; }
  .hero { min-height: auto; }
  .hero-layout { min-height: auto; grid-template-columns: 1fr; padding-block: 110px 55px; }
  .hero-copy { max-width: 680px; }
  .hero h1 { font-size: clamp(3.4rem, 12vw, 5.5rem); }
  .hero-visual { justify-self: center; width: min(100%, 560px); margin-top: 20px; }
  .image-frame { max-height: none; aspect-ratio: 1.12 / 1; border-radius: 3px 3px 90px 3px; }
  .image-frame::before { border-radius: 1px 1px 78px 1px; }
  .section { padding-block: 90px; }
  .split-heading, .people-heading, .research-intro, .positions-heading { grid-template-columns: 1fr; gap: 32px; }
  .community-grid { grid-template-columns: 1fr; }
  .community-card { min-height: 390px; }
  .people-grid, .junior-list { grid-template-columns: 1fr; }
  .people-directory-layout { grid-template-columns: 1fr; gap: 30px; }
  .people-directory-content { grid-column: 1; grid-row: 2; }
  .people-toolbar { position: static; top: auto; grid-column: 1; grid-row: 1; grid-template-columns: 1fr 1fr; gap: 0 24px; padding: 0 20px 20px; background: #f7fafe; box-shadow: 0 14px 34px rgba(0,51,102,.06); }
  .people-toolbar-title,
  .people-search,
  .people-results { grid-column: 1 / -1; }
  .group-banner { grid-template-columns: 1fr; gap: 15px; }
  .research-intro { gap: 70px; }
  .research-image { width: calc(100% - 30px); margin-left: 30px; }
  .research-image figcaption { left: -30px; }
  .activity-grid { grid-template-columns: 1fr; }
  .research-theme-grid { grid-template-columns: 1fr; }
  .activity-card { display: grid; grid-template-columns: .8fr 1.2fr; }
  .activity-visual { height: auto; min-height: 260px; }
  .activity-content h3, .activity-content > p:nth-of-type(2) { min-height: 0; }
  .seminar-hub { grid-template-columns: 1fr; padding: 42px 35px; }
  .activity-links-grid { grid-template-columns: 1fr; }
  .academic-event-card { min-height: 340px; }
  .event-topline { margin-bottom: 34px; }
  .conference-card { grid-column: auto; min-height: 290px; display: flex; gap: 0; }
  .conference-card .event-topline { display: flex; justify-items: initial; margin-bottom: 28px; }
  .conference-card .event-action { align-self: auto; margin-top: auto; padding: 18px 0 0; border-top: 1px solid rgba(255,255,255,.14); border-left: 0; }
  .international-support { grid-template-columns: 54px 1fr; align-items: start; }
  .international-support ul, .international-support > a { grid-column: 1 / -1; }
  .international-support > a { max-width: none; }
  .position-row { grid-template-columns: 130px 1.4fr .9fr 44px; }
  .position-meta { flex-direction: column; align-items: flex-start; }
  .position-overview { grid-template-columns: 1fr; gap: 32px; }
  .position-overview-action { padding: 25px 0 0; border-top: 1px solid rgba(255,255,255,.16); border-left: 0; }
  .positions-detail-layout { grid-template-columns: 1fr; }
  .positions-side-nav { position: static; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 14px; }
  .positions-side-nav > span { grid-column: 1 / -1; }
  .opportunity-card { grid-template-columns: 1fr .8fr; }
  .opportunity-card ul { grid-column: auto; }
  .footer-grid { grid-template-columns: 1.5fr 1.2fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100% - 28px); }
  .header-inner { width: calc(100% - 28px); }
  .brand-mark { width: 38px; height: 38px; }
  .brand-copy strong { font-size: .86rem; }
  .hero-layout { padding-top: 90px; }
  .hero h1 { font-size: clamp(3.05rem, 15vw, 4.6rem); }
  .hero-lede { font-size: .92rem; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .image-frame { aspect-ratio: .95 / 1; border-radius: 3px 3px 68px 3px; }
  .image-frame::before { border-radius: 1px 1px 56px 1px; }
  .formula-a { left: 8px; top: 8%; bottom: auto; }
  .formula-card { padding: 11px 12px; }
  .formula-card .navier-stokes-system { font-size: .8rem; }
  .section-heading h2, .research-copy h2 { font-size: clamp(2.75rem, 13vw, 4rem); }
  .split-heading > p, .people-heading > p, .positions-heading > p { padding-left: 18px; font-size: .88rem; }
  .community-card { min-height: 370px; padding: 26px 24px; }
  .group-banner { padding: 24px 20px; }
  .group-banner h3 { font-size: 1.65rem; }
  .people-toolbar { grid-template-columns: 1fr; padding: 0 18px 18px; }
  .people-toolbar-title,
  .people-search,
  .people-results { grid-column: auto; }
  .people-view-control > div { width: 100%; }
  .view-button { flex: 1; }
  .person-card, .person-card.compact { grid-template-columns: 88px 1fr; min-height: 170px; }
  .portrait span, .compact .portrait span { font-size: 1.35rem; }
  .person-info, .compact .person-info { padding: 18px 15px 14px; }
  .person-info h5, .compact .person-info h5 { font-size: 1.25rem; }
  .research-image { width: calc(100% - 12px); margin-left: 12px; }
  .research-image::before { right: -14px; }
  .research-image figcaption { left: -12px; bottom: 15px; width: 205px; }
  .activity-grid { margin-top: 75px; }
  .activity-card { display: block; }
  .activity-visual { min-height: 165px; }
  .seminar-hub { padding: 35px 23px; }
  .seminar-cards { grid-template-columns: 1fr; }
  .seminar-code { margin-bottom: 20px; }
  .seminar-card small { min-height: 0; }
  .activities-heading h2 { font-size: clamp(2.75rem, 13vw, 4rem); }
  .academic-event-card { min-height: 370px; padding: 24px; }
  .international-support { grid-template-columns: 1fr; padding: 23px 20px; }
  .international-support ul, .international-support > a { grid-column: auto; }
  .international-support ul { grid-template-columns: 1fr; }
  .international-support > a { max-width: none; }
  .positions-heading h2 { font-size: clamp(2.8rem, 13vw, 4.5rem); }
  .position-overview { padding: 30px 22px; }
  .position-overview ul { display: grid; }
  .positions-page-hero { min-height: 620px; padding-top: 130px; }
  .positions-page-hero h1 { font-size: clamp(3.35rem, 16vw, 5rem); }
  .positions-side-nav { grid-template-columns: 1fr 1fr; }
  .opportunity-card { grid-template-columns: 1fr; gap: 17px; }
  .opportunity-card ul { grid-column: auto; }
  .detail-columns,
  .application-steps { grid-template-columns: 1fr; }
  .application-note { grid-template-columns: 1fr; gap: 8px; }
  .international-detail { grid-template-columns: 1fr; padding: 28px 23px; }
  .international-detail ul { grid-column: auto; grid-template-columns: 1fr; }
  .download-panel,
  .positions-contact { grid-template-columns: 1fr; padding: 29px 23px; }
  .position-row { position: relative; grid-template-columns: 1fr; gap: 14px; padding: 25px 0; }
  .position-row:hover { padding-inline: 14px; }
  .position-meta { flex-direction: row; }
  .position-row > a { position: absolute; right: 0; top: 24px; }
  .positions-footer { flex-direction: column; align-items: stretch; }
  .positions-footer p { text-align: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
  .footer-contact { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; padding-block: 20px; }
}

/* 2026 directory, research and events refinements */
.nav-submenu a:not(:has(> span)) { display: flex; align-items: center; padding-inline: 14px; }

.people-page .positions-page-hero,
.activities-page .positions-page-hero { min-height: 360px; padding-block: 132px 62px; }
.people-page .positions-page-hero h1,
.activities-page .positions-page-hero h1 { max-width: none; font-size: clamp(3.25rem, 6.2vw, 5.8rem); }
.people-section { padding-top: 82px; }
.people-toolbar { margin: 0; }
.group-banner { grid-template-columns: 1fr; }
.group-banner h3 { font-size: clamp(1.45rem, 2.5vw, 2rem); }
.people-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.junior-group { margin-top: 90px; }
.table-community { white-space: normal; line-height: 1.35; }

.research-page-hero { min-height: 570px; padding-block: 122px 64px; }
.research-hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); align-items: center; gap: clamp(35px, 6vw, 90px); }
.research-page-hero .positions-page-hero-inner { padding: 0; }
.research-page-hero h1 { max-width: 740px; font-size: clamp(3.15rem, 5vw, 5.2rem); }
.research-hero-image { position: relative; margin: 0; }
.research-hero-image::after { content: ""; position: absolute; z-index: -1; right: -14px; bottom: -14px; width: 72%; height: 72%; background: var(--yellow); }
.research-hero-image img { width: 100%; aspect-ratio: 1.24 / 1; object-fit: cover; border: 1px solid rgba(255,255,255,.24); box-shadow: 0 26px 60px rgba(0,20,45,.25); }
.research-directions { background: var(--paper); }
.research-direction-stack { display: grid; gap: 70px; }
.research-cluster { scroll-margin-top: 112px; display: grid; gap: 16px; }
.research-theme-panel { position: relative; min-height: 270px; display: grid; grid-template-columns: minmax(260px, .7fr) minmax(0, 1.3fr); align-items: stretch; overflow: hidden; border: 1px solid rgba(255,255,255,.2); border-top: 5px solid var(--yellow); color: var(--white); background: var(--navy); box-shadow: var(--shadow); }
.research-theme-panel-alt { background: linear-gradient(135deg, #0056b3, #003366 72%); }
.research-theme-panel > div:last-child { align-self: center; padding: clamp(30px, 5vw, 62px); }
.research-theme-panel .direction-label { color: #9dbbd9; }
.research-theme-panel h2 { max-width: 850px; margin: 0; color: var(--white); font-family: var(--serif); font-size: clamp(2.2rem, 3.8vw, 3.75rem); font-weight: 400; letter-spacing: -.035em; line-height: 1.06; }
.research-theme-art { position: relative; min-height: 100%; overflow: hidden; border-right: 1px solid rgba(255,255,255,.17); background: rgba(0,28,58,.45); }
.research-theme-art.wave-visual svg { position: absolute; inset: 20% 0 auto; width: 100%; height: 50%; }
.research-theme-art.wave-visual path { fill: none; stroke: #1b8cff; stroke-width: 2; vector-effect: non-scaling-stroke; }
.research-theme-art.wave-visual path:first-child { stroke: rgba(255,255,255,.58); }
.orbit-visual { background: linear-gradient(145deg, #0056b3, #003366); }
.orbit-visual i { position: absolute; left: 8%; top: 30%; width: 82%; height: 36%; border: 1px solid rgba(255,255,255,.42); border-radius: 50%; transform: rotate(-10deg); }
.orbit-visual i:nth-child(2) { transform: rotate(34deg); }
.orbit-visual i:nth-child(3) { transform: rotate(-30deg) scale(.8); }
.orbit-visual b { position: absolute; left: 66%; top: 26%; width: 20px; height: 20px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 12px rgba(255,204,0,.13); }
.direction-label { margin: 0 0 14px; color: var(--blue); font-size: .66rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.research-publications-panel { padding: clamp(30px, 5vw, 58px); border: 1px solid var(--line); border-top: 4px solid var(--blue); background: var(--white); box-shadow: 0 18px 42px rgba(0,51,102,.08); }
.research-publications-panel > header { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 18px; }
.research-publications-panel h3 { margin: 0; color: var(--navy); font-family: var(--serif); font-size: clamp(1.8rem, 3vw, 2.7rem); font-weight: 400; }
.research-publications-panel header p { margin: 0; color: var(--blue); font-size: .64rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.publication-list { list-style: none; margin: 0; padding: 0; }
.publication-list li { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 18px 0; border-top: 1px solid var(--line); }
.publication-list li > span { color: var(--blue); font-family: var(--serif); font-size: .8rem; }
.publication-list li > div { display: grid; gap: 4px; }
.publication-list strong { color: var(--navy); font-size: .66rem; }
.publication-list a { color: var(--text); font-family: var(--serif); font-size: .86rem; line-height: 1.45; }
.publication-list a:hover { color: var(--blue); }
.publication-list small { color: var(--muted); font-size: .59rem; }

.events-section { background: var(--white); }
.past-events-section { padding-top: 0; background: var(--paper); }
.events-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 34px; }
.events-section-heading h2 { margin: 0; color: var(--navy); font-family: var(--serif); font-size: clamp(2.45rem, 4vw, 3.9rem); font-weight: 400; letter-spacing: -.04em; }
.event-row-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.event-paper-card { min-height: 260px; display: grid; grid-template-columns: 86px 1fr; grid-template-rows: 1fr auto; align-items: start; gap: 24px; padding: 32px; border: 1px solid var(--line); border-top: 4px solid var(--blue); color: var(--text); background: var(--white); box-shadow: 0 14px 38px rgba(0,51,102,.08); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.event-paper-card:hover { transform: translateY(-6px); border-top-color: var(--yellow); box-shadow: 0 22px 48px rgba(0,51,102,.13); }
.event-card-code { width: 64px; height: 64px; display: grid; place-items: center; border-radius: 50%; color: var(--navy); background: var(--yellow); font-family: var(--serif); font-size: .8rem; font-weight: 700; }
.event-card-copy p { margin: 0 0 9px; color: var(--blue); font-size: .61rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.event-card-copy h3 { margin: 0; color: var(--navy); font-family: var(--serif); font-size: clamp(1.65rem, 3vw, 2.45rem); font-weight: 400; line-height: 1.12; }
.event-paper-card > span { grid-column: 2; align-self: end; padding-top: 16px; border-top: 1px solid var(--line); color: var(--blue); font-size: .66rem; font-weight: 700; }
.event-paper-card-wide { max-width: none; grid-template-columns: 86px 1fr auto; grid-template-rows: 1fr; align-items: center; min-height: 190px; }
.event-paper-card-wide > span { grid-column: 3; align-self: center; border: 0; padding: 0; }

.positions-page .positions-page-hero { min-height: 530px; }
.positions-page .positions-page-hero h1 { max-width: none; white-space: nowrap; font-size: clamp(3.15rem, 5.2vw, 5.25rem); }
.detail-heading h2 { font-size: clamp(2.5rem, 4.2vw, 3.8rem); }
.detail-section > h2,
.international-detail h2 { font-size: clamp(2rem, 3.2vw, 2.9rem); }
.positions-page .positions-page-hero-inner > p:first-of-type { max-width: 790px; margin: 30px 0 34px; color: rgba(255,255,255,.7); font-size: .82rem; line-height: 1.8; }
.unnumbered-steps li { grid-template-columns: 1fr; border-left: 4px solid var(--blue); }

@media (max-width: 1000px) {
  .research-hero-layout { grid-template-columns: 1fr; padding-top: 40px; }
  .research-hero-image { width: min(100%, 700px); }
  .research-theme-panel { grid-template-columns: 1fr; }
  .research-theme-art { min-height: 210px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.17); }
  .positions-page .positions-page-hero h1 { white-space: normal; }
}

@media (max-width: 900px) {
  .nav-submenu a:not(:has(> span)) { min-height: 48px; display: flex; padding-inline: 11px; }
  .research-page-hero { min-height: auto; padding-block: 110px 70px; }
  .people-page .positions-page-hero,
  .activities-page .positions-page-hero { min-height: 330px; padding-top: 118px; }
  .event-row-grid { grid-template-columns: 1fr; }
  .event-paper-card-wide { grid-template-columns: 70px 1fr; grid-template-rows: 1fr auto; }
  .event-paper-card-wide > span { grid-column: 2; border-top: 1px solid var(--line); padding-top: 16px; }
}

@media (max-width: 640px) {
  .people-page .positions-page-hero h1,
  .activities-page .positions-page-hero h1 { font-size: clamp(2.75rem, 13vw, 4.15rem); }
  .research-page-hero h1 { font-size: clamp(2.8rem, 12vw, 4.2rem); }
  .research-theme-panel > div:last-child,
  .research-publications-panel { padding: 26px 22px; }
  .research-theme-art { min-height: 155px; }
  .research-publications-panel > header { display: grid; gap: 8px; }
  .publication-list li { grid-template-columns: 42px 1fr; gap: 11px; }
  .event-paper-card { grid-template-columns: 1fr; min-height: 290px; padding: 25px 22px; }
  .event-paper-card > span,
  .event-paper-card-wide > span { grid-column: 1; }
  .positions-page .positions-page-hero h1 { font-size: clamp(2.7rem, 12vw, 4.15rem); }
}

/* July 2026 editorial refinements */
.home-page .hero h1 {
  max-width: 780px;
  font-size: clamp(2.85rem, 4.15vw, 4.55rem);
  font-style: normal;
  line-height: .94;
}
.home-page .hero-title-line {
  display: block;
  font-style: normal;
  white-space: nowrap;
}
.home-page .hero-title-line + .hero-title-line { margin-top: .08em; }
.home-page .hero-lede { margin-bottom: 0; }

.section-page-hero .positions-page-hero-inner,
.research-page-hero .positions-page-hero-inner {
  width: 100%;
  text-align: center;
}
.section-page-hero h1,
.research-page-hero h1 {
  max-width: none;
  margin-inline: auto;
  color: var(--white);
  font-style: normal;
  text-align: center;
  text-shadow: 0 8px 28px rgba(0,22,49,.28);
}
.section-page-hero h1 em,
.research-page-hero h1 em { color: inherit; font-style: normal; }

/* Official DUT Infrastructure Department panorama of Ling Shui Lake. */
.people-page-hero {
  min-height: 390px !important;
  isolation: isolate;
  background-image: linear-gradient(90deg, rgba(0,33,70,.84), rgba(0,51,102,.62)), url("assets/dlade-members-lingshui-lake.jpg") !important;
  background-position: center 54% !important;
  background-size: cover !important;
}
.people-page-hero::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: auto 0 0;
  height: 5px;
  background: var(--yellow);
}
.campus-hero-shade {
  position: absolute;
  z-index: 0;
  inset: 0;
  background: radial-gradient(circle at 50% 46%, transparent, rgba(0,25,55,.2));
}
.people-page-hero h1,
.activities-page-hero h1,
.research-page-hero h1 {
  font-size: clamp(2.85rem, 5vw, 4.75rem) !important;
  font-weight: 400;
  letter-spacing: -.035em;
  line-height: 1;
}

.research-page-hero {
  min-height: 390px;
  padding-block: 132px 70px;
  background-image: linear-gradient(90deg, rgba(0,38,78,.9), rgba(0,51,102,.74)), url("assets/dlade-research-phenomena.webp");
  background-position: center 56%;
  background-size: cover;
}
.research-hero-layout {
  min-height: 180px;
  grid-template-columns: 1fr;
  place-items: center;
  padding-top: 0;
}

.research-page-layout,
.activities-page-layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  align-items: start;
  gap: clamp(42px, 6vw, 82px);
}
.page-side-nav {
  position: sticky;
  z-index: 5;
  top: 106px;
  align-self: start;
  max-height: calc(100vh - 128px);
  overflow-y: auto;
  display: grid;
  padding: 22px 0;
  border-top: 3px solid var(--yellow);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.page-side-nav > span {
  margin-bottom: 12px;
  color: var(--blue);
  font-size: .6rem;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.page-side-nav a {
  padding: 11px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .68rem;
  line-height: 1.45;
  transition: color .2s ease, padding-left .2s ease;
}
.page-side-nav a:hover,
.page-side-nav a:focus-visible { padding-left: 7px; color: var(--blue); }

.research-publications-panel > header { justify-content: flex-start; }
.research-publications-panel > header p { display: none; }

.activities-page-hero { min-height: 360px; }
.activities-directory { background: var(--paper); }
.activities-stream { display: grid; gap: 92px; }
.activities-block { scroll-margin-top: 112px; }
.activities-block + .activities-block { padding-top: 52px; border-top: 1px solid var(--line); }
.teaching-card {
  display: grid;
  grid-template-columns: .72fr 1.65fr .85fr;
  gap: 0;
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  background: var(--white);
  box-shadow: 0 16px 40px rgba(0,51,102,.08);
}
.teaching-field,
.teaching-course { min-height: 180px; padding: 30px; }
.teaching-field + .teaching-course,
.teaching-course + .teaching-field { border-left: 1px solid var(--line); }
.teaching-card span {
  display: block;
  margin-bottom: 13px;
  color: var(--blue);
  font-size: .61rem;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.teaching-field strong { display: block; color: var(--navy); font-family: var(--serif); font-size: 1.45rem; font-weight: 400; line-height: 1.2; }
.teaching-field small { display: block; margin-top: 8px; color: var(--muted); font-size: .72rem; }
.teaching-course h3 { margin: 0; color: var(--navy); font-family: var(--serif); font-size: clamp(1.55rem, 2.7vw, 2.3rem); font-weight: 400; line-height: 1.12; }
.teaching-course p { margin: 14px 0 0; color: var(--muted); font-size: .78rem; }
.teaching-card > a { grid-column: 1 / -1; padding: 17px 30px; border-top: 1px solid var(--line); color: var(--blue); font-size: .66rem; font-weight: 700; }
.teaching-card > a:hover { color: var(--navy); background: #f5f9fc; }

.application-brief { display: grid; gap: 25px; }
.application-brief h2 { margin: 0; color: var(--navy); font-family: var(--serif); font-size: clamp(2rem, 3.2vw, 2.9rem); font-weight: 400; letter-spacing: -.035em; line-height: 1.04; }
.application-brief > div > p { max-width: 850px; margin: 20px 0 0; color: var(--text); font-size: .78rem; line-height: 1.78; }
.application-terms { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-block: 1px solid var(--line); }
.application-terms li { position: relative; padding: 17px 22px 17px 36px; color: var(--muted); font-size: .69rem; line-height: 1.45; }
.application-terms li + li { border-left: 1px solid var(--line); }
.application-terms li::before { content: ""; position: absolute; left: 20px; top: 1.42em; width: 6px; height: 6px; border-radius: 50%; background: var(--yellow); }
.document-list-panel { margin-top: 26px; padding: 28px; border: 1px solid var(--line); border-top: 4px solid var(--blue); background: var(--white); box-shadow: 0 14px 36px rgba(0,51,102,.07); }
.document-list-panel > h3 { margin: 0 0 20px; color: var(--blue); font-size: .65rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.document-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 28px; }
.document-list li { position: relative; min-height: 86px; padding: 19px 12px 19px 23px; border-top: 1px solid var(--line); }
.document-list li::before { content: ""; position: absolute; left: 0; top: 25px; width: 7px; height: 7px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 5px rgba(255,204,0,.13); }
.document-list h4 { margin: 0 0 7px; color: var(--navy); font-family: var(--serif); font-size: 1.12rem; font-weight: 400; }
.document-list p { margin: 0; color: var(--muted); font-size: .66rem; line-height: 1.58; }
.positions-international-support > a { max-width: 190px; }

@media (max-width: 1000px) {
  .research-page-layout,
  .activities-page-layout { grid-template-columns: 160px minmax(0, 1fr); gap: 38px; }
  .teaching-card { grid-template-columns: 1fr 1.4fr; }
  .teaching-field:last-of-type { grid-column: 1 / -1; min-height: auto; border-left: 0; border-top: 1px solid var(--line); }
}

@media (max-width: 900px) {
  .research-page-layout,
  .activities-page-layout { grid-template-columns: 1fr; }
  .page-side-nav { position: static; max-height: none; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 14px; }
  .page-side-nav > span { grid-column: 1 / -1; }
  .research-page-hero { padding-block: 118px 64px; }
}

@media (max-width: 640px) {
  .home-page .hero h1 { font-size: clamp(2rem, 9.6vw, 2.65rem); letter-spacing: -.055em; }
  .home-page .hero-layout { min-height: auto; padding-block: 72px 58px; }
  .home-page .hero-title-line { white-space: nowrap; }
  .people-page-hero { min-height: 310px !important; background-position: 58% center !important; }
  .people-page-hero h1,
  .activities-page-hero h1,
  .research-page-hero h1 { font-size: clamp(2.45rem, 12vw, 3.55rem) !important; }
  .page-side-nav { grid-template-columns: 1fr; }
  .page-side-nav > span { grid-column: auto; }
  .teaching-card { grid-template-columns: 1fr; }
  .teaching-field,
  .teaching-course { min-height: auto; padding: 24px 22px; }
  .teaching-field + .teaching-course,
  .teaching-course + .teaching-field { border-left: 0; border-top: 1px solid var(--line); }
  .application-terms,
  .document-list { grid-template-columns: 1fr; }
  .application-terms li + li { border-left: 0; border-top: 1px solid var(--line); }
  .document-list-panel { padding: 24px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   DDES seminar adaptation
   -------------------------------------------------------------------------- */

body {
  min-height: 100vh;
  padding: 0;
  background: var(--paper);
}

button { margin: 0; }

.site-header {
  display: block;
  justify-items: initial;
  gap: 0;
  width: 100%;
  margin: 0;
  padding: 0;
  color: var(--white);
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  text-align: left;
}

.site-header::after { display: none; }

.site-header.scrolled { border-bottom-color: rgba(255,255,255,.1); }

.brand {
  min-height: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: 0;
  font-weight: 400;
  text-align: left;
  cursor: pointer;
}

.brand:hover { color: inherit; background: transparent; transform: none; }
.brand:focus-visible { outline: 2px solid var(--yellow); outline-offset: 6px; }

.primary-nav {
  gap: 4px;
  padding: 5px;
  background: rgba(0, 28, 58, .42);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 999px;
  box-shadow: 0 12px 30px rgba(0, 20, 45, .14);
  backdrop-filter: blur(14px);
}

.primary-nav .nav-link {
  min-height: 38px;
  padding: 9px 20px;
  border: 0;
  border-radius: 999px;
  color: rgba(255,255,255,.82);
  background: transparent;
  font-size: .74rem;
  font-weight: 750;
  letter-spacing: .02em;
  line-height: 1.2;
  text-align: center;
}

.primary-nav .nav-link:hover {
  color: var(--white);
  background: rgba(255,255,255,.12);
  transform: none;
}

.primary-nav .nav-link.active {
  color: var(--navy);
  background: var(--yellow);
  box-shadow: 0 5px 14px rgba(0, 20, 45, .16);
}

.primary-nav .nav-link:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 2px;
}

.primary-nav .nav-cta {
  margin-left: 5px;
  padding-inline: 15px;
  color: var(--navy);
  background: var(--yellow);
}

.primary-nav .nav-cta:hover { color: var(--navy); background: #ffda42; }

.site-main {
  width: 100%;
  margin: 0;
}

.hero { min-height: 420px; padding-top: 0; }
.hero-layout {
  min-height: 420px;
  grid-template-columns: 1fr;
  align-items: center;
  padding-block: 80px;
}
.hero-copy { min-width: 0; max-width: none; margin-inline: auto; text-align: center; }
.hero h1 {
  max-width: none;
  font-size: clamp(2.8rem, 4.4vw, 4.25rem);
  letter-spacing: -.04em;
  white-space: nowrap;
}
.hero-lede { max-width: none; margin: 24px auto 0; text-align: center; white-space: nowrap; }

.hero-actions button,
.footer-links button,
.footer-bottom button {
  border: 0;
  cursor: pointer;
}

.hero-actions .button {
  min-height: 54px;
  padding: 14px 21px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-weight: 700;
  text-align: center;
}

.hero-actions .button-ghost { border-color: rgba(255,255,255,.3); }

.formula-card span {
  font-family: "Cambria Math", "STIX Two Math", Georgia, serif;
  font-size: clamp(.78rem, 1vw, 1rem);
  white-space: nowrap;
}

.intro-panel {
  position: relative;
  overflow: visible;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0 auto;
  padding: 78px 0;
  color: var(--text);
}

.intro-heading { align-self: start; }
.intro-heading h2 {
  max-width: 520px;
  margin: 0;
  color: var(--navy);
  font-family: var(--serif);
  font-size: clamp(2.8rem, 4.8vw, 4.7rem);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .98;
}

.intro-main {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 20px;
  align-content: start;
  padding: 4px 0 0 28px;
  border-left: 2px solid var(--yellow);
  max-width: 1040px;
  margin-inline: auto;
}

.intro-panel p,
.intro-lead,
.intro-note,
.intro-contacts,
.intro-related {
  width: auto;
  max-width: none;
  margin: 0;
  color: var(--text);
  font-size: .92rem;
  line-height: 1.8;
  text-align: justify;
  text-align-last: left;
  text-justify: inter-word;
  hyphens: auto;
}

.intro-note,
.intro-related {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.intro-contacts { margin-top: 0 !important; }
.intro-related { margin-top: 0 !important; padding-top: 18px; }
.intro-panel a { color: var(--blue); font-weight: 700; }
.intro-panel a:hover { color: var(--navy); text-decoration: underline; text-underline-offset: 3px; }
.contact-line { color: var(--text); font-size: .9rem; line-height: 1.8; }

.page-content {
  padding: 48px 0 120px;
  scroll-margin-top: 24px;
}

.view-switcher {
  position: relative;
  z-index: 8;
  display: flex;
  justify-content: center;
  margin-top: -20px;
}

.view-switcher .primary-nav {
  background: var(--navy-deep);
  border-color: rgba(0,51,102,.22);
  box-shadow: 0 14px 30px rgba(0,51,102,.16);
}

.page-content:not([hidden]),
.sub-page-content:not([hidden]) { animation: page-in .38s ease both; }

.home-page { border-top: 0; }
.past-page { border-top: 0; }
.home-page .section-header { grid-template-columns: 1fr; }

body.viewing-past .hero,
body.viewing-past .intro-panel { display: none; }

body.viewing-past .site-main { padding-top: 0; }
body.viewing-past .past-page { padding-top: 46px; }
body.viewing-past .past-page .section-header {
  grid-template-columns: 1fr auto;
  align-items: center;
  margin-bottom: 30px;
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  align-items: end;
  gap: clamp(30px, 6vw, 80px);
  margin: 0 0 42px;
  padding: 0 0 34px;
  border-bottom: 1px solid #bdc9d5;
  text-align: left;
}

.section-header .eyebrow { margin-bottom: 17px; }
.section-header h2 {
  margin: 0;
  color: var(--navy);
  font-family: var(--serif);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .98;
}

.section-header > p {
  max-width: 500px;
  margin: 0 0 5px;
  padding-left: 24px;
  color: var(--text);
  border-left: 2px solid var(--yellow);
  font-size: .88rem;
  line-height: 1.75;
}

.past-return {
  min-height: 42px;
  padding: 10px 16px;
  color: var(--navy);
  background: var(--white);
  border: 1px solid #b8c9d9;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 750;
  letter-spacing: .02em;
  text-align: center;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(0,51,102,.07);
}

.past-return:hover { color: var(--navy); background: var(--yellow); border-color: var(--yellow); transform: translateY(-1px); }
.past-return:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

.sub-nav-bar {
  width: fit-content;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 0 30px;
  padding: 5px;
  background: #e3eaf1;
  border: 1px solid #cbd6e1;
  border-radius: 3px;
  box-shadow: none;
}

.sub-nav-bar button {
  min-height: 42px;
  padding: 10px 16px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 2px;
  font-size: .75rem;
  font-weight: 700;
  text-align: center;
}

.sub-nav-bar button:hover { color: var(--navy); background: rgba(255,255,255,.6); transform: none; }
.sub-nav-bar button[aria-pressed="true"] { color: var(--white); background: var(--navy); box-shadow: 0 5px 14px rgba(0,51,102,.16); }

.calendar-mount { margin: 0 0 42px; }

.calendar-panel {
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 90% 5%, rgba(0,123,255,.22), transparent 32%),
    linear-gradient(135deg, var(--navy-deep), var(--navy));
  border-radius: 3px;
  box-shadow: var(--shadow);
}

.calendar-toolbar {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 28px;
  border-bottom: 1px solid rgba(255,255,255,.13);
}

.calendar-title-wrap { display: grid; gap: 3px; }
.calendar-kicker { color: var(--yellow); font-size: .59rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.calendar-title { margin: 0; font-family: var(--serif); font-size: clamp(1.55rem, 2.5vw, 2.2rem); font-weight: 400; line-height: 1.1; }
.calendar-controls { display: flex; gap: 7px; }

.calendar-control {
  width: 42px;
  height: 42px;
  min-height: 0;
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--white);
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 2px;
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1;
  text-align: center;
}

.calendar-control:hover { color: var(--navy); background: var(--yellow); border-color: var(--yellow); transform: none; }
.calendar-control:focus-visible { outline: 2px solid var(--yellow); outline-offset: 2px; }

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-weekdays {
  padding: 14px 20px 7px;
  color: rgba(255,255,255,.53);
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-align: center;
  text-transform: uppercase;
}

.calendar-grid { gap: 7px; padding: 8px 20px 20px; }

.calendar-day {
  position: relative;
  min-width: 0;
  min-height: 76px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: 10px;
  color: rgba(255,255,255,.36);
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 2px;
}

.calendar-day.outside-month { opacity: .28; }
.calendar-day.today:not(.has-events) { border-color: rgba(255,204,0,.45); }
.calendar-day-number { font-family: var(--serif); font-size: .9rem; line-height: 1; }
.calendar-day-status { overflow: hidden; color: inherit; font-size: .52rem; line-height: 1.25; text-overflow: ellipsis; white-space: nowrap; }

.calendar-day.has-events {
  padding: 0;
  color: var(--navy);
  background: var(--white);
  border-color: var(--yellow);
  box-shadow: inset 0 -3px 0 var(--yellow);
}

.calendar-day.has-events > button {
  width: 100%;
  min-height: 74px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: 10px;
  color: var(--navy);
  background: transparent;
  border: 0;
  border-radius: 0;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.calendar-day.has-events > button:hover { color: var(--navy); background: var(--yellow-pale); transform: none; }
.calendar-day.has-events > button:focus-visible { outline: 3px solid var(--yellow); outline-offset: -3px; }
.calendar-day.has-events .calendar-day-number { color: var(--blue); font-size: 1.05rem; }
.calendar-day.has-events .calendar-day-status { color: var(--navy); font-size: .55rem; font-weight: 800; letter-spacing: .02em; text-transform: uppercase; }
.calendar-day.is-selected { outline: 3px solid var(--yellow); outline-offset: -3px; }

.calendar-agenda {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 28px;
  color: var(--text);
  background: var(--white);
  border-top: 1px solid var(--line);
}

.calendar-agenda-label { flex: 0 0 auto; color: var(--blue); font-size: .6rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.calendar-agenda-events { min-width: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.calendar-agenda-empty { margin: 0; color: var(--muted); font-size: .72rem; }

.calendar-agenda-link {
  min-height: 36px;
  padding: 8px 12px;
  color: var(--navy);
  background: #eef5fb;
  border: 1px solid #cbdbe9;
  border-radius: 2px;
  font-family: var(--serif);
  font-size: .76rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.calendar-agenda-link:hover { color: var(--white); background: var(--blue); border-color: var(--blue); transform: none; }

.calendar-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 0 28px 18px;
  color: rgba(255,255,255,.55);
  font-size: .58rem;
}

.calendar-legend span { display: inline-flex; align-items: center; gap: 7px; }
.calendar-legend i { width: 9px; height: 9px; display: inline-block; border-radius: 1px; background: rgba(255,255,255,.14); }
.calendar-legend .event-key i { background: var(--yellow); }

.semester-section { display: block; }

.seminar {
  position: relative;
  isolation: isolate;
  display: grid;
  gap: 20px;
  margin: 18px 0;
  padding: clamp(24px, 3.5vw, 40px);
  padding-left: clamp(30px, 4vw, 48px);
  background: var(--white);
  border: 1px solid #cdd8e3;
  border-radius: 3px;
  box-shadow: 0 14px 36px rgba(0,51,102,.07);
  text-align: left;
  scroll-margin-top: 110px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.seminar::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--blue);
  border-radius: 2px 0 0 2px;
  transition: width .2s ease;
}

.past-seminar::before { background: var(--navy); }
.seminar:hover { transform: translateY(-3px); border-color: #9fb6ca; box-shadow: 0 22px 52px rgba(0,51,102,.12); }
.seminar:hover::before { inset-block: 0; width: 7px; }

.seminar.event-highlight {
  border-color: var(--yellow);
  box-shadow: 0 0 0 4px rgba(255,204,0,.28), 0 24px 60px rgba(0,51,102,.15);
}

.notice-seminar {
  background: linear-gradient(100deg, var(--yellow-pale), var(--white) 52%);
  border-color: #e3cc73;
}
.notice-seminar::before { background: var(--yellow); }

.seminar-title {
  max-width: 1020px;
  margin: 0;
  color: var(--navy);
  font-family: var(--serif);
  font-size: clamp(1.55rem, 2.35vw, 2.25rem);
  font-weight: 400;
  letter-spacing: -.02em;
  line-height: 1.18;
}

.meta-info {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
  margin: 0;
  padding: 0;
  border: 0;
}

.meta-item {
  min-width: 0;
  padding: 13px 15px;
  background: #f5f8fb;
  border: 1px solid var(--line);
  border-radius: 2px;
}

.meta-item:first-child {
  grid-column: 1 / -1;
  padding: 16px 17px;
  background: #eaf4fc;
  border-color: #c4ddee;
}

.meta-item dt {
  margin: 0 0 4px;
  color: var(--blue);
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .11em;
  line-height: 1.2;
  text-transform: uppercase;
}

.meta-item dd {
  margin: 0;
  color: var(--ink);
  font-size: .84rem;
  font-weight: 600;
  line-height: 1.5;
}

.meta-item:first-child dd { color: var(--navy); font-family: var(--serif); font-size: 1rem; font-weight: 700; }
.description { max-width: 1040px; color: var(--text); font-size: .9rem; }
.description p { margin: 0; line-height: 1.8; }
.description strong { color: var(--navy); background: var(--yellow-pale); border-radius: 1px; }
.badge-minicourse,
.badge-cancel {
  padding: 3px 8px;
  border-radius: 2px;
  font-size: .66rem;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: .01em;
  text-transform: none;
  box-shadow: none;
}
.badge-minicourse { background: var(--blue); }
.badge-cancel { background: #b63434; }

.footer-links button {
  min-height: 0;
  padding: 0;
  color: var(--muted);
  background: transparent;
  border-radius: 0;
  font-size: .7rem;
  font-weight: 400;
  line-height: 1.6;
  text-align: left;
}

.footer-links button:hover { color: var(--blue); background: transparent; transform: none; }
.footer-bottom button { min-height: 0; padding: 0; color: var(--blue); background: transparent; border-radius: 0; font-size: .62rem; font-weight: 400; }
.footer-bottom button:hover { color: var(--navy); background: transparent; transform: none; }

.back-to-top {
  right: 24px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  min-height: 0;
  padding: 0;
  color: var(--white);
  background: var(--navy);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 2px;
  box-shadow: 0 12px 26px rgba(0,51,102,.22);
}

.back-to-top:hover { color: var(--navy); background: var(--yellow); border-color: var(--yellow); }
.back-to-top:focus-visible { outline-color: var(--yellow); }

@media (max-width: 900px) {
  .header-inner { justify-content: center; }
  .primary-nav {
    position: static;
    inset: auto;
    width: auto;
    overflow: visible;
    display: inline-flex;
    grid-template-columns: none;
    align-content: normal;
    gap: 3px;
    padding: 4px;
    background: rgba(0, 28, 58, .48);
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .primary-nav .nav-link {
    width: auto;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 15px;
    color: rgba(255,255,255,.82);
    background: transparent;
    border: 0;
    border-radius: 999px;
    font-family: var(--sans);
    font-size: .7rem;
    text-align: center;
  }
  .primary-nav .nav-link.active { color: var(--navy); background: var(--yellow); }
  .hero { min-height: auto; }
  .hero-layout { min-height: auto; padding-block: 76px; }
  .hero h1 { font-size: clamp(2rem, 6vw, 3.4rem); }
  .hero-lede { white-space: normal; }
  .intro-panel { grid-template-columns: 1fr; gap: 42px; padding-block: 86px; }
  .intro-heading h2 { max-width: 680px; }
  .page-content { padding-block: 44px 100px; }
  .section-header { grid-template-columns: 1fr; gap: 24px; }
  .section-header > p { max-width: 650px; }
  .calendar-day { min-height: 66px; padding: 8px; }
  .calendar-day.has-events > button { min-height: 64px; padding: 8px; }
  .footer-grid { grid-template-columns: 1.4fr 1.2fr; }
  body.viewing-past .site-main { padding-top: 0; }
  body.viewing-past .past-page .section-header { grid-template-columns: 1fr auto; }
}

@media (max-width: 640px) {
  .brand-copy small { display: none; }
  .hero h1 { font-size: clamp(1.3rem, 5.6vw, 2.2rem); }
  .hero-layout { padding-block: 62px; }
  .intro-panel { gap: 32px; padding-block: 70px; }
  .intro-heading h2 { font-size: clamp(2.55rem, 12vw, 3.7rem); }
  .intro-main { padding-left: 18px; }
  .page-content { padding-block: 38px 84px; }
  .section-header { margin-bottom: 28px; padding-bottom: 26px; }
  .section-header h2 { font-size: clamp(2.65rem, 13vw, 3.8rem); }
  .section-header > p { padding-left: 17px; }
  body.viewing-past .past-page .section-header { grid-template-columns: 1fr; }
  .past-return { justify-self: start; }
  .sub-nav-bar { width: 100%; display: grid; grid-template-columns: 1fr; }
  .sub-nav-bar button { width: 100%; }
  .calendar-toolbar { min-height: 78px; padding: 17px 15px; }
  .calendar-control { width: 38px; height: 38px; }
  .calendar-weekdays { padding: 12px 7px 5px; font-size: .48rem; }
  .calendar-grid { gap: 3px; padding: 6px 7px 12px; }
  .calendar-day { min-height: 52px; padding: 6px; }
  .calendar-day.has-events > button { min-height: 50px; padding: 6px; }
  .calendar-day-number { font-size: .78rem; }
  .calendar-day.has-events .calendar-day-number { font-size: .88rem; }
  .calendar-day-status { display: none; }
  .calendar-agenda { align-items: flex-start; flex-direction: column; padding: 15px; }
  .calendar-agenda-events { display: grid; width: 100%; }
  .calendar-agenda-link { width: 100%; }
  .calendar-legend { padding: 0 15px 15px; }
  .seminar { padding: 24px 20px 24px 27px; }
  .meta-info { grid-template-columns: 1fr; }
  .meta-item:first-child { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-links button,
  .footer-bottom button { width: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}