:root {
  --blue-900: #0b2e6b;
  --blue-800: #0b3d91;
  --blue-700: #1357b8;
  --blue-100: #e9f1ff;
  --ink: #0b1220;
  --muted: #4b5565;
  --line: #d8e4ff;
  --bg: #ffffff;
  --card: #fbfdff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Times New Roman", Times, serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

a {
  color: var(--blue-800);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: linear-gradient(180deg, var(--blue-100), #fff);
  border-bottom: 1px solid var(--line);
}

/* .header-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  flex-wrap: wrap;
} */
 
.header-inner{
  display:flex;
  flex-direction:column; /* stack top row and nav row */
  gap:10px;
  padding:18px 0;
}

.header-top{
  display:flex;
  justify-content:space-between;
  align-items:baseline; /* aligns social with brand name baseline */
  gap:18px;
  flex-wrap:wrap; /* keeps it responsive */
}

/* ensure social hugs the right edge */
.header-social{
  margin-left:auto;
  justify-content:flex-end;
}

.header-nav{
  display:flex;
  justify-content:flex-start; /* nav row aligns to the left */
  gap:14px;
  flex-wrap:wrap;
  align-items:center;
}

.brand__name {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand__tagline {
  color: var(--muted);
  font-size: 0.98rem;
  margin-top: 4px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav__link {
  padding: 6px 6px;
  border-radius: 6px;
}

.nav__link.is-active {
  background: var(--blue-100);
}

.nav__button {
  background: var(--blue-800);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  justify-content: flex-end;
}

.nav__button:hover {
  text-decoration: none;
  background: var(--blue-900);
}

.social {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-right: 6px;
  align-items: center;
}

.social__link {
  font-size: 0.95rem;
  color: var(--blue-800);
  padding: 6px 6px;
  border-radius: 6px;
  border: 1px solid transparent;
}

.social__link:hover {
  background: var(--blue-100);
  text-decoration: none;
  border-color: var(--line);
}

/* Anchor that contains the icon */
.social__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
}

/* Icon image itself */
.social__icon img {
  width: 18px;
  height: 18px;
  display: block;
  opacity: 0.92;
}

/* Hover / focus */
.social__icon:hover,
.social__icon:focus-visible {
  background: var(--blue-100);
  border-color: var(--line);
  text-decoration: none;
  outline: none;
}


main {
  padding: 28px 0 36px;
}

.h1 {
  font-size: 1.75rem;
  margin: 0 0 10px;
}

.h2 {
  font-size: 1.25rem;
  margin: 26px 0 10px;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
}

.grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 22px;
  align-items: start;
}

/* @media (max-width:760px) {
  .grid {
    grid-template-columns: 1fr;
  }
} */
@media (max-width: 760px){
  .header-top{
    align-items:flex-start;
  }
  .header-social{
    width:100%;
    justify-content:flex-start; /* icons drop below brand */
    margin-left:0;
  }
  .header-nav{
    justify-content:flex-start; /* nav drops left for readability */
  }
}

.headshot {
  border: 1px solid transparent;
  background: transparent;
  border-radius: 12px;
  padding: 10px;
}

.headshot__box {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 10px;
  background: repeating-linear-gradient(135deg, #f5f8ff, #f5f8ff 12px, #ffffff 12px, #ffffff 24px);
  border: 1px dashed #b6ccff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--muted);
  padding: 14px;
  font-size: 0.95rem;
}

.headshot__img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  padding: 16px 16px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 0;
}

.badge {
  background: var(--blue-100);
  color: var(--blue-900);
  border: 1px solid var(--line);
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.92rem;
}

.pub {
  margin: 0 0 12px;
}

.pub__links {
  margin-top: 4px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Inline publication links (PDF/DOI) */
.pub__inline{
  margin-left: 8px;
  font-size: 0.95rem;
  white-space: nowrap;
}

/* Disabled placeholders (optional) */
.pub__inline--disabled{
  color: #9aa3b2;
}

.chip {
  font-size: 0.92rem;
  border: 1px solid var(--line);
  padding: 3px 8px;
  border-radius: 999px;
  background: #fff;
}

.chip.is-disabled {
  color: #9aa3b2;
  background: #fafafa;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 22px 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 18px 0;
  background: #fff;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-title {
  font-weight: 700;
  color: var(--blue-900);
  margin-bottom: 6px;
}

.footer-item {
  color: var(--muted);
  margin: 2px 0;
}

.footer-social{
  justify-content:flex-end;
}

.post-meta {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: -6px;
}

.notice {
  background: var(--blue-100);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--blue-900);
}