:root {
  --navy: #003057;
  --navy-deep: #00213d;
  --navy-soft: #214463;
  --gold: #b3a369;
  --gold-medium: #a4925a;
  --gold-dark: #857437;
  --ink: #172536;
  --muted: #5e6b7b;
  --paper: #ffffff;
  --surface: #f5f7fa;
  --surface-strong: #eef2f6;
  --rule: rgba(179, 163, 105, 0.42);
  --shadow: 0 24px 60px rgba(0, 48, 87, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --content-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Roboto", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(179, 163, 105, 0.1), transparent 32%),
    radial-gradient(circle at top right, rgba(0, 48, 87, 0.06), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #fbfcfe 100%);
}

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

a {
  color: var(--navy);
  text-decoration-color: rgba(0, 48, 87, 0.24);
  text-underline-offset: 0.18em;
}

a:hover,
a:focus-visible {
  color: var(--gold-dark);
}

p,
li {
  line-height: 1.7;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: "Roboto Slab", serif;
  color: var(--navy);
  line-height: 1.15;
}

ul {
  margin: 0;
  padding-left: 1.2rem;
}

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(0, 48, 87, 0.96);
  border-bottom: 1px solid rgba(179, 163, 105, 0.35);
}

.topbar,
.container,
.footer-inner {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.95rem;
  color: #ffffff;
  text-decoration: none;
}

.brand:hover,
.brand:focus-visible {
  color: #ffffff;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  box-shadow: 0 0 0 7px rgba(179, 163, 105, 0.14);
}

.brand-copy {
  display: grid;
  gap: 0.08rem;
}

.brand-name {
  font-family: "Roboto Slab", serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-role {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.88rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem 1.35rem;
}

.site-nav a {
  position: relative;
  padding: 0.25rem 0;
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
  font-weight: 500;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.8rem;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: #ffffff;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

main {
  flex: 1;
}

.container {
  padding-top: 2.6rem;
  padding-bottom: 4.5rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.9fr);
  gap: 2rem;
  align-items: center;
  padding-top: 0.4rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.2rem;
  color: var(--gold-dark);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-tag::before {
  content: "";
  width: 2.5rem;
  height: 1px;
  background: var(--gold);
}

.hero h1,
.page-intro h1 {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  letter-spacing: -0.03em;
}

.hero-summary {
  max-width: 39rem;
  margin: 1rem 0 1.4rem;
  color: #203147;
  font-size: clamp(1.06rem, 2.2vw, 1.32rem);
}

.hero-note,
.page-intro p,
.callout-card p,
.card p,
.project-card p,
.course-card p,
.news-item p,
.archive-item p,
.footer-block p {
  color: var(--muted);
}

.hero-note {
  max-width: 40rem;
  margin: 1rem 0 0;
}

.hero-actions,
.link-row,
.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button,
.link-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 150ms ease,
    border-color 150ms ease,
    box-shadow 150ms ease,
    background-color 150ms ease,
    color 150ms ease;
}

.button:hover,
.button:focus-visible,
.link-pill:hover,
.link-pill:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  color: #ffffff;
  background: var(--navy);
  box-shadow: 0 16px 34px rgba(0, 48, 87, 0.16);
}

.button-primary:hover,
.button-primary:focus-visible {
  color: #ffffff;
  border-color: rgba(179, 163, 105, 0.4);
}

.button-secondary,
.link-pill {
  color: var(--navy);
  background: rgba(255, 255, 255, 0.94);
  border-color: rgba(0, 48, 87, 0.14);
}

.button-secondary:hover,
.button-secondary:focus-visible,
.link-pill:hover,
.link-pill:focus-visible {
  border-color: var(--gold);
  background: #ffffff;
}

.link-pill.disabled {
  color: var(--muted);
  background: var(--surface);
  border-style: dashed;
  border-color: rgba(0, 48, 87, 0.14);
  cursor: default;
  pointer-events: none;
}

.affiliation-card,
.portrait-card,
.card,
.project-card,
.callout-card,
.course-card,
.news-item,
.archive-item {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(0, 48, 87, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.affiliation-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  width: min(100%, 39rem);
  margin-top: 1.7rem;
  padding: 1rem 1.15rem;
}

.affiliation-card img {
  width: 84px;
  height: auto;
}

.lockup-top {
  margin: 0;
  color: var(--navy);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.lockup-main {
  margin: 0.28rem 0;
  color: var(--navy);
  font-family: "Roboto Slab", serif;
  font-size: clamp(1rem, 2.1vw, 1.35rem);
}

.lockup-sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.portrait-card {
  overflow: hidden;
}

.portrait-frame {
  position: relative;
  aspect-ratio: 0.86;
  background: linear-gradient(180deg, rgba(0, 48, 87, 0.08), rgba(0, 48, 87, 0));
}

.portrait-frame::after {
  content: "";
  position: absolute;
  inset: auto 1.2rem 1.2rem auto;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  border: 1px solid rgba(179, 163, 105, 0.28);
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portrait-body {
  padding: 1.35rem 1.45rem 1.55rem;
}

.portrait-title,
.card-kicker,
.project-status,
.course-meta,
.archive-date,
.news-date,
.footer-title,
.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--gold-dark);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.compact-list {
  margin: 0;
  padding-left: 1.05rem;
  color: var(--muted);
}

.section {
  margin-top: 3.8rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  margin-bottom: 1.4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
}

.section-heading h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
}

.section-heading p {
  margin: 0.65rem 0 0;
  max-width: 42rem;
}

.text-link {
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--gold-dark);
}

.card-grid,
.project-grid,
.teaching-grid {
  display: grid;
  gap: 1.35rem;
}

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

.project-grid,
.teaching-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card,
.project-card,
.callout-card,
.course-card {
  padding: 1.55rem;
}

.card h3,
.project-card h3,
.course-card h3,
.callout-card h3 {
  font-size: 1.28rem;
  margin-bottom: 0.8rem;
}

.matcha-frame img {
  object-position: center 42%;
}

.project-meta,
.course-role,
.callout-label {
  margin: 0 0 0.8rem;
  color: var(--navy-soft);
  font-size: 0.96rem;
  font-weight: 600;
}

.pill-list {
  padding: 0;
  margin: 1.1rem 0 0;
  list-style: none;
}

.pill-list li {
  padding: 0.52rem 0.9rem;
  border-radius: 999px;
  background: rgba(179, 163, 105, 0.11);
  color: var(--navy);
  font-size: 0.94rem;
  font-weight: 500;
}

.note-banner {
  margin-top: 1.5rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(179, 163, 105, 0.25);
  background: rgba(179, 163, 105, 0.08);
}

.note-banner p {
  margin: 0;
  color: var(--ink);
}

.news-list,
.archive-list {
  list-style: none;
  padding: 0;
}

.news-list {
  display: grid;
  gap: 1rem;
}

.news-item,
.archive-item {
  padding: 1.25rem 1.35rem;
}

.news-item p,
.archive-item p {
  margin: 0;
}

.archive-group + .archive-group {
  margin-top: 2.5rem;
}

.archive-group h2 {
  margin-bottom: 1rem;
  font-size: 1.6rem;
}

.archive-list {
  display: grid;
  gap: 0.95rem;
}

.callout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 1.35rem;
}

.site-footer {
  background: var(--navy);
  border-top: 1px solid rgba(179, 163, 105, 0.3);
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  padding-top: 2.2rem;
  padding-bottom: 2.4rem;
}

.footer-block p,
.footer-block a {
  color: rgba(255, 255, 255, 0.86);
}

.footer-block a {
  display: block;
  width: fit-content;
  text-decoration: none;
}

.footer-block a + a {
  margin-top: 0.45rem;
}

.footer-block a:hover,
.footer-block a:focus-visible {
  color: var(--gold);
}

.page-intro {
  max-width: 48rem;
}

.page-intro p {
  margin: 1.15rem 0 0;
}

.stack {
  display: grid;
  gap: 1.35rem;
}

@media (max-width: 960px) {
  .hero,
  .callout-grid,
  .footer-inner,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .portrait-card {
    max-width: 540px;
  }
}

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .site-nav a::after {
    bottom: -0.35rem;
  }

  .container {
    padding-top: 2rem;
    padding-bottom: 3.8rem;
  }

  .hero {
    gap: 1.5rem;
  }

  .affiliation-card {
    grid-template-columns: 1fr;
  }

  .affiliation-card img {
    width: 72px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .topbar,
  .container,
  .footer-inner {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .brand-role {
    display: none;
  }

  .button,
  .link-pill {
    width: 100%;
  }

  .hero-actions,
  .link-row {
    gap: 0.7rem;
  }
}