:root {
  --page-bg: #f4f1ea;
  --surface: #ffffff;
  --surface-muted: #f8f6f1;
  --text: #25313f;
  --text-soft: #586474;
  --border: #ddd5c8;
  --accent: #7b5e3b;
  --accent-deep: #5f4527;
  --shadow: 0 18px 45px rgba(55, 45, 30, 0.09);
  --content-width: 1440px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Source Sans 3", sans-serif;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.88)),
    radial-gradient(circle at top left, rgba(167, 139, 95, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(94, 122, 150, 0.15), transparent 28%),
    var(--page-bg);
  color: var(--text);
  line-height: 1.75;
}

a {
  color: var(--accent-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-shell {
  width: min(calc(100% - 1rem), var(--content-width));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(244, 241, 234, 0.9);
  border-bottom: 1px solid rgba(123, 94, 59, 0.12);
}

.topbar-inner {
  width: min(calc(100% - 1rem), var(--content-width));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: "Libre Baskerville", serif;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  color: var(--accent-deep);
}

.brand-mark {
  width: 65px;
  height: 65px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid rgba(123, 94, 59, 0.16);
  box-shadow: 0 6px 16px rgba(55, 45, 30, 0.12);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem 1.5rem;
  list-style: none;
  font-size: 1.1rem;
}

.nav-links a {
  color: var(--text);
  position: relative;
  padding-bottom: 0.2rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.nav-links a.active {
  color: var(--accent-deep);
  font-weight: 700;
}

.hero {
  padding: 3.5rem 0 2.75rem;
}

.page-main {
  padding: 3.5rem 0 2rem;
}

.hero-panel {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(248, 246, 241, 0.96));
  border: 1px solid rgba(123, 94, 59, 0.14);
  border-radius: 28px;
  padding: 2.25rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: auto -80px -110px auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(123, 94, 59, 0.08);
}

.hero-photo {
  text-align: center;
}

.hero-photo img {
  width: min(100%, 240px);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 22px;
  border: 8px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 12px 30px rgba(48, 40, 28, 0.18);
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

h1 {
  font-family: "Libre Baskerville", serif;
  font-size: clamp(2.3rem, 4vw, 3.5rem);
  line-height: 1.15;
  margin-bottom: 0.8rem;
  color: #243041;
}

.hero-copy p {
  color: var(--text-soft);
  font-size: 1.05rem;
  max-width: 64ch;
}

.hero-role {
  color: var(--text-soft);
  font-size: 1.08rem;
  max-width: 40ch;
}

.hero-role strong {
  color: var(--text);
  font-weight: 600;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.35rem;
  list-style: none;
}

.hero-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(123, 94, 59, 0.22);
  background: rgba(255, 255, 255, 0.82);
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hero-links a:hover {
  transform: translateY(-2px);
  text-decoration: none;
  box-shadow: 0 10px 18px rgba(95, 69, 39, 0.1);
}

.content-section {
  margin-bottom: 2.25rem;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(123, 94, 59, 0.1);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 10px 25px rgba(43, 35, 24, 0.05);
}

.section-heading {
  font-family: "Libre Baskerville", serif;
  font-size: 1.8rem;
  color: #243041;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.about-text p + p {
  margin-top: 0.9rem;
}

.stack {
  display: grid;
  gap: 1rem;
}

.entry-card {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 1.2rem;
  padding: 1rem;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid rgba(123, 94, 59, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.entry-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 22px rgba(45, 37, 26, 0.08);
}

.entry-card img {
  width: 120px;
  height: 120px;
  border-radius: 14px;
  object-fit: cover;
  background: var(--surface-muted);
  border: 1px solid rgba(123, 94, 59, 0.1);
}

.logo-fit img {
  object-fit: contain;
  padding: 0.6rem;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  margin: 0.5rem 0;
  color: var(--text-soft);
  font-size: 0.96rem;
}

.entry-card h3 {
  font-size: 1.15rem;
  line-height: 1.4;
  color: #243041;
}

.entry-card p + p {
  margin-top: 0.2rem;
}

.education-highlight {
  background: linear-gradient(135deg, rgba(251, 248, 242, 0.98), rgba(255, 255, 255, 0.98));
}

.education-path {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.path-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  min-width: 120px;
  border-radius: 999px;
  background: #f7efe4;
  border: 1px solid rgba(123, 94, 59, 0.16);
  font-weight: 700;
  color: #243041;
}

.path-arrow {
  color: var(--accent);
  font-size: 1.15rem;
  font-weight: 700;
}

.path-note {
  margin-top: 0.9rem;
  color: var(--text-soft);
  font-size: 0.96rem;
}

.education-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem 1.5rem;
  align-items: start;
  width: 100%;
}

.education-main {
  min-width: 0;
}

.education-main .entry-meta {
  margin-bottom: 0;
}

.education-year {
  justify-self: end;
  align-self: start;
  min-width: 130px;
  padding-top: 0.15rem;
  text-align: right;
  color: #243041;
  font-size: 0.98rem;
  font-weight: 600;
}

.education-year strong {
  color: var(--text);
}

.experience-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem 1.5rem;
  align-items: start;
  width: 100%;
}

.experience-main {
  min-width: 0;
}

.experience-main .entry-meta {
  margin-bottom: 0;
}

.experience-duration {
  justify-self: end;
  align-self: start;
  min-width: 165px;
  padding-top: 0.15rem;
  text-align: right;
  color: #243041;
  font-size: 0.98rem;
  font-weight: 600;
}

.experience-duration strong {
  color: var(--text);
}

.publication-card {
  grid-template-columns: 132px minmax(0, 1fr) auto;
  align-items: start;
  gap: 1.35rem;
}

.publication-card img {
  width: 132px;
  height: 132px;
  border-radius: 18px;
}

.publication-content {
  min-width: 0;
}

.publication-content h3 {
  margin-bottom: 0.55rem;
}

.publication-meta {
  display: grid;
  gap: 0.55rem;
  color: var(--text-soft);
  font-size: 0.96rem;
}

.publication-meta p {
  margin: 0;
}

.publication-doi {
  margin-top: 0.8rem;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.publication-doi a {
  word-break: break-word;
}

.publication-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  align-self: stretch;
  min-width: 132px;
}

.publication-action .entry-link {
  margin-top: 0;
  white-space: nowrap;
  min-width: 110px;
  text-align: center;
}

.publication-action .entry-link.doi-link {
  background: rgba(255, 255, 255, 0.9);
  color: #5f4527;
}

.author-highlight {
  text-decoration: underline;
  text-underline-offset: 0.16em;
  text-decoration-thickness: 1.5px;
}

.award-card {
  grid-template-columns: 220px minmax(0, 1fr) auto;
  align-items: center;
}

.award-side {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  padding: 1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(123, 94, 59, 0.1);
  text-align: center;
}

.award-side strong {
  font-size: 1.1rem;
  line-height: 1.45;
  color: #243041;
}

.award-content {
  min-width: 0;
}

.award-content .entry-meta {
  margin-top: 0.65rem;
}

.award-action {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  padding: 0 0.5rem;
}

.award-title {
  margin-bottom: 0.45rem;
  color: #243041;
}

.award-paper {
  font-size: 1.08rem;
  line-height: 1.5;
}

.award-row {
  margin-top: 0.7rem;
  color: var(--text-soft);
  font-size: 0.96rem;
}

.award-row p {
  margin: 0;
}

.award-action .entry-link {
  margin-top: 0;
  white-space: nowrap;
}

.entry-link {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: #f4eee3;
  border: 1px solid rgba(123, 94, 59, 0.16);
  font-weight: 600;
}

.award {
  color: #aa2c3c;
  font-weight: 700;
  margin-top: 0.35rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.contact-card {
  background: var(--surface);
  border: 1px solid rgba(123, 94, 59, 0.12);
  border-radius: 18px;
  padding: 1rem;
  text-align: center;
}

.contact-card span {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-soft);
  margin-bottom: 0.45rem;
}

footer {
  width: min(calc(100% - 1rem), var(--content-width));
  margin: 0 auto 2rem;
}

.footer-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(420px, 0.95fr);
  gap: 1.4rem;
  padding: 1.75rem;
  border: 1px solid rgba(123, 94, 59, 0.14);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(247, 242, 234, 0.96));
  box-shadow: 0 18px 40px rgba(43, 35, 24, 0.08);
  position: relative;
  overflow: hidden;
}

.footer-panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: linear-gradient(180deg, #8b6a43, #d6c1a3);
}

.footer-panel > div:first-child {
  padding-left: 0.35rem;
}

.footer-title {
  font-family: "Libre Baskerville", serif;
  font-size: 1.28rem;
  color: #243041;
  margin-bottom: 0.7rem;
}

.footer-copy,
.footer-meta {
  color: var(--text-soft);
  font-size: 0.98rem;
  line-height: 1.85;
}

.footer-copy {
  max-width: 92ch;
}

.footer-meta {
  display: grid;
  align-content: start;
  gap: 0.8rem;
  padding: 1rem 1.1rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(123, 94, 59, 0.12);
}

.footer-meta p {
  padding: 0.2rem 0;
}

.footer-meta strong {
  color: var(--text);
  font-weight: 700;
}

.footer-bottom {
  margin-top: 1rem;
  text-align: center;
  color: #6c7683;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

@media (max-width: 860px) {
  .topbar-inner,
  .hero-panel,
  .entry-card,
  .contact-grid,
  .footer-panel {
    grid-template-columns: 1fr;
  }

  .education-body {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .experience-body {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

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

  .publication-action {
    justify-content: flex-start;
    align-self: auto;
    min-width: 0;
  }

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

  .award-side {
    min-height: auto;
    justify-content: flex-start;
    text-align: left;
  }

  .award-action {
    justify-content: flex-start;
    align-self: auto;
    padding: 0;
  }

  .education-year {
    justify-self: start;
    text-align: left;
    min-width: 0;
    padding-top: 0;
  }

  .experience-duration {
    justify-self: start;
    text-align: left;
    min-width: 0;
    padding-top: 0;
  }

  .topbar-inner {
    display: block;
  }

  .brand {
    display: block;
    margin-bottom: 0.8rem;
  }

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

  .hero-panel,
  .content-section {
    padding: 1.5rem;
  }

  .hero-photo {
    order: -1;
  }

  .entry-card img {
    width: 100%;
    max-width: 150px;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 0.98rem;
  }

  .site-shell {
    width: min(calc(100% - 0.5rem), var(--content-width));
  }

  .topbar-inner,
  footer {
    width: min(calc(100% - 0.5rem), var(--content-width));
  }

  .hero {
    padding-top: 1.5rem;
  }

  .hero-links a,
  .entry-link {
    width: 100%;
  }
}