:root {
  color-scheme: light;
  --ink: #2d3844;
  --muted: #657282;
  --blue: #24538a;
  --blue-strong: #17436f;
  --line: #e6eaf0;
  --soft: #f6f8fb;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font: 15.5px/1.72 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-strong); text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 3px solid #79abdb; outline-offset: 4px; border-radius: 2px; }

.skip-link {
  position: absolute;
  z-index: 20;
  top: -80px;
  left: 16px;
  padding: 8px 12px;
  background: #fff;
  border: 1px solid var(--line);
}
.skip-link:focus { top: 10px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 58px;
  background: rgb(255 255 255 / 97%);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 56px;
  max-width: 1390px;
  height: 100%;
  margin: auto;
  padding: 0 28px;
}
.brand {
  color: var(--ink);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -.01em;
  white-space: nowrap;
}
.brand:hover { color: var(--blue); text-decoration: none; }
.primary-nav { display: flex; align-items: center; gap: 34px; height: 100%; }
.primary-nav a {
  display: inline-flex;
  align-items: center;
  height: 100%;
  color: #596574;
  font-size: 14px;
  white-space: nowrap;
}
.primary-nav a:hover, .primary-nav a.active { color: var(--blue); text-decoration: none; }
.primary-nav a.active { box-shadow: inset 0 -2px var(--blue); }
.menu-toggle { display: none; }

.page-shell {
  display: grid;
  grid-template-columns: 215px minmax(0, 1fr);
  gap: 68px;
  max-width: 1390px;
  margin: 0 auto;
  padding: 48px 28px 70px;
}
.profile {
  position: sticky;
  top: 103px;
  align-self: start;
}
.avatar-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 212px;
  height: 212px;
  overflow: hidden;
  border-radius: 50%;
  border: 1px solid #e9eef6;
  background: #fff;
}
.avatar {
  display: block;
  flex: 0 0 172px;
  width: 172px;
  height: 212px;
  padding: 6px;
  object-fit: cover;
  object-position: center top;
  background: #fff;
}
.profile-identity h1 {
  margin: 16px 0 1px;
  font-size: 23px;
  line-height: 1.3;
  letter-spacing: -.035em;
}
.profile-identity p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.profile-links { display: grid; gap: 11px; list-style: none; margin: 26px 0 0; padding: 0; }
.profile-links li { display: flex; align-items: center; gap: 11px; min-height: 22px; font-size: 14px; }
.profile-links svg {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: #4b5867;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.profile-links span { color: var(--muted); }
.profile-links a { color: var(--ink); }
.profile-links a:hover { color: var(--blue); }

.main-content { min-width: 0; max-width: 1010px; }
.section { scroll-margin-top: 90px; }
.intro { padding: 0 0 21px; }
.intro p { max-width: 880px; margin: 0 0 12px; font-size: 16px; }
.intro p:last-child { margin-bottom: 0; }
.intro strong { font-weight: 650; }
.eyebrow {
  margin-bottom: 8px !important;
  color: var(--blue);
  font-size: 12px !important;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  margin: 40px 0 0;
  padding: 0 0 10px;
}
.section-title h2 {
  margin: 0;
  font-size: 23px;
  font-weight: 680;
  line-height: 1.35;
  letter-spacing: -.025em;
}
.section-count { color: #a1acba; font-size: 12px; letter-spacing: .08em; }

.feature-row {
  display: grid;
  grid-template-columns: minmax(270px, 38%) minmax(0, 1fr);
  align-items: center;
  gap: 30px;
  border-bottom: 1px solid var(--line);
  padding: 31px 0;
}
.feature-art { min-width: 0; margin: 0; }
.feature-art img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #e8edf4;
  border-radius: 3px;
  background: var(--soft);
}
.feature-art figcaption { margin-top: 7px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.feature-copy { min-width: 0; }
.feature-copy h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 650;
  line-height: 1.4;
  letter-spacing: -.015em;
}
.feature-copy p { margin: 0 0 8px; }
.feature-copy .authors { color: #4a5766; font-size: 14px; }
.feature-copy .authors strong { color: var(--ink); font-weight: 700; }
.feature-copy .venue { color: var(--muted); font-size: 14px; }
.feature-copy .summary { color: #526070; font-size: 14px; }
.resource-links { display: flex; flex-wrap: wrap; gap: 4px 20px; margin-top: 15px; }
.resource-links a, .blog-link {
  font-size: 14px;
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.resource-links span, .blog-link span { display: inline-block; font-weight: 400; text-decoration: none; }

.education-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 27px 0 2px;
}
.education-mark {
  display: grid;
  flex: 0 0 52px;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid #dbe6f1;
  border-radius: 50%;
  background: #f2f7fc;
  color: var(--blue);
  font: 700 13px/1 Georgia, "Times New Roman", serif;
  letter-spacing: -.04em;
}
.education-row h3 { margin: 0; font-size: 16px; font-weight: 650; line-height: 1.4; }
.education-row p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.education-place { margin-left: auto; color: #8994a3; font-size: 13px; white-space: nowrap; }
.writing-section p { margin: 23px 0 12px; color: #526070; }
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 70px;
  padding-top: 19px;
  border-top: 1px solid var(--line);
  color: #97a1af;
  font-size: 12px;
}

@media (max-width: 900px) {
  .header-inner { gap: 34px; }
  .primary-nav { gap: 20px; }
  .page-shell { grid-template-columns: 184px minmax(0, 1fr); gap: 38px; }
  .avatar-frame { width: 185px; height: 185px; }
  .avatar { flex-basis: 150px; width: 150px; height: 185px; }
  .feature-row { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .feature-art { max-width: 520px; }
}

@media (max-width: 680px) {
  body { font-size: 15px; }
  .site-header { height: 56px; }
  .header-inner { justify-content: space-between; padding: 0 20px; }
  .brand { font-size: 15px; }
  .menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    border: 0;
    background: transparent;
    cursor: pointer;
  }
  .menu-toggle span { width: 21px; height: 2px; border-radius: 2px; background: var(--ink); }
  .primary-nav {
    display: none;
    position: absolute;
    top: 56px;
    right: 0;
    left: 0;
    height: auto;
    padding: 7px 20px 12px;
    border-bottom: 1px solid var(--line);
    background: #fff;
    box-shadow: 0 12px 20px rgb(20 40 70 / 7%);
  }
  .primary-nav.open { display: grid; gap: 0; }
  .primary-nav a { height: 40px; font-size: 15px; }
  .primary-nav a.active { box-shadow: none; }
  .page-shell { display: block; padding: 31px 20px 48px; }
  .profile { position: static; padding-bottom: 26px; border-bottom: 1px solid var(--line); }
  .profile-heading { display: flex; align-items: center; gap: 18px; }
  .avatar-frame { flex: 0 0 102px; width: 102px; height: 102px; }
  .avatar { flex-basis: 82px; width: 82px; height: 102px; padding: 3px; }
  .profile-identity h1 { margin: 0 0 2px; font-size: 21px; }
  .profile-identity p { font-size: 13px; }
  .profile-links { display: flex; flex-wrap: wrap; gap: 7px 19px; margin: 19px 0 0; }
  .profile-links li { gap: 6px; font-size: 13px; }
  .profile-links svg { width: 14px; height: 14px; }
  .main-content { padding-top: 27px; }
  .section { scroll-margin-top: 76px; }
  .intro { padding: 0; }
  .intro p { font-size: 15px; }
  .section-title { margin-top: 35px; }
  .section-title h2 { font-size: 21px; }
  .feature-row { display: flex; flex-direction: column-reverse; align-items: stretch; gap: 20px; padding: 24px 0; }
  .feature-art { max-width: none; }
  .feature-copy h3 { font-size: 16px; }
  .education-row { align-items: flex-start; }
  .education-place { display: none; }
  .site-footer { display: block; margin-top: 52px; }
  .site-footer span { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}