:root {
  --ink: #172126;
  --muted: #62706f;
  --line: #dce4df;
  --paper: #f8faf7;
  --panel: #ffffff;
  --accent: #b54835;
  --accent-2: #1f6f78;
  --accent-3: #486341;
  --shadow: 0 20px 45px rgba(24, 36, 34, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration-color: rgba(181, 72, 53, 0.45);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:hover {
  color: var(--accent);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px max(24px, calc((100vw - 1120px) / 2));
  background: rgba(248, 250, 247, 0.88);
  border-bottom: 1px solid rgba(220, 228, 223, 0.85);
  backdrop-filter: blur(18px);
}

.brand {
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px 22px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav a {
  text-decoration: none;
}

.hero,
.section,
.notice {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.8fr);
  gap: 56px;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 72px 0 48px;
}

.eyebrow,
.section-kicker,
.tag,
.journal {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 20px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.25rem, 8vw, 6.6rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h1 span {
  display: block;
  margin-top: 10px;
  color: var(--accent-2);
  font-size: 0.34em;
  font-family: inherit;
}

h2 {
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.05;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.25rem;
  line-height: 1.25;
}

.lead {
  max-width: 720px;
  color: #344240;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.hero-actions,
.publication-links,
.media-card a {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-actions a,
.publication-links a,
.media-card a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--ink);
  border-radius: 4px;
  font-size: 0.93rem;
  font-weight: 700;
  text-decoration: none;
}

.hero-actions a:nth-child(n+2),
.publication-links a:nth-child(n+2) {
  background: transparent;
  color: var(--ink);
}

.hero-actions a:hover,
.publication-links a:hover,
.media-card a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-visual {
  margin: 0;
}

.hero-visual img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-visual figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.notice {
  padding: 28px;
  background: #fff7f2;
  border: 1px solid #f0d9cf;
  border-radius: 8px;
}

.notice p:last-child {
  margin-bottom: 0;
}

.section {
  padding: 84px 0;
  border-bottom: 1px solid var(--line);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading p:last-child {
  color: var(--muted);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.research-card,
.publication,
.timeline article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(24, 36, 34, 0.05);
}

.research-card {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  color: #fff;
  background-size: cover;
  background-position: center;
  overflow: hidden;
  position: relative;
}

.research-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.72));
}

.research-card > * {
  position: relative;
}

.research-card p {
  margin-bottom: 0;
}

.research-card .tag {
  color: #ffd4c4;
}

.mars {
  background-image: url("assets/images/mars-atmosphere.jpg");
}

.venus {
  background-image: url("assets/images/venus.png");
}

.earth {
  background-image: url("assets/images/earth.jpg");
}

.publication {
  padding: 28px;
  margin-bottom: 18px;
}

.publication p {
  color: var(--muted);
}

.publication .journal {
  color: var(--accent-2);
}

.role-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: -2px 0 16px;
}

.role-tags span,
.publication-list strong {
  display: inline-flex;
  align-items: center;
  margin-right: 6px;
  padding: 2px 8px;
  background: #eef5f1;
  color: var(--accent-3);
  border: 1px solid #d8e6dd;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.6;
}

.publication-list {
  display: grid;
  gap: 12px;
}

.publication-list article {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.publication-list span {
  color: var(--accent-2);
  font-weight: 800;
}

.publication-list p {
  margin-bottom: 0;
  color: #344240;
}

.cv-section {
  border-bottom: 0;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline article {
  display: grid;
  max-width: 720px;
  grid-template-columns: 92px minmax(0, 560px);
  gap: 14px;
  padding: 18px;
}

.timeline span {
  color: var(--accent-2);
  font-size: 0.92rem;
  font-weight: 800;
}

.timeline h3 {
  margin-bottom: 6px;
  font-size: 1.08rem;
}

.timeline p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-section {
  display: grid;
  grid-template-columns: 0.58fr 0.42fr;
  gap: 40px;
  align-items: start;
}

.contact-section address {
  color: var(--muted);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.media-card {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(24, 36, 34, 0.05);
}

.media-card img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.media-card div {
  padding: 18px;
}

.media-card p:not(.tag) {
  color: var(--muted);
}

.media-card a {
  width: fit-content;
  margin-top: 14px;
  background: transparent;
  color: var(--ink);
}

.contact-section {
  padding-bottom: 64px;
}

address {
  font-style: normal;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px max(24px, calc((100vw - 1120px) / 2));
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 48px;
  }

  .hero-visual img {
    aspect-ratio: 16 / 10;
  }

  .research-grid,
  .media-grid,
  .media-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .publication-list article {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .timeline article {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 560px) {
  .hero,
  .section,
  .notice {
    width: min(100% - 32px, 1120px);
  }

  .hero-actions a,
  .publication-links a,
  .media-link {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
  }
}