:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --surface-muted: #ece8df;
  --text: #161616;
  --muted: #5f625c;
  --line: #d9d4c8;
  --accent: #1f6f5b;
  --accent-dark: #12493d;
  --ink: #0d1f1a;
  --shadow: 0 24px 60px rgba(34, 31, 25, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

.site-header,
.section-shell,
.proof-band,
.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
  background: rgba(246, 244, 239, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(217, 212, 200, 0.75);
}

.site-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.site-mark span {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 0.86rem;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 40px;
  align-items: end;
  min-height: calc(100vh - 78px);
  padding: 80px 0 48px;
}

.eyebrow,
.section-label,
.profile-kicker,
.card-topline p {
  margin: 0;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 900px;
  margin-bottom: 12px;
  font-size: clamp(4rem, 9vw, 7.4rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.65rem, 3vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
  line-height: 1.3;
}

.hero-headline {
  max-width: 760px;
  margin-bottom: 16px;
  color: var(--ink);
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  font-weight: 700;
  line-height: 1.15;
}

.hero-summary {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.12rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.56);
  color: var(--ink);
  font-weight: 750;
}

.button:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.button-primary:hover {
  background: var(--accent-dark);
  color: #fff;
}

.hero-panel {
  display: grid;
  gap: 24px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.profile-photo {
  width: 100%;
  max-width: 260px;
  aspect-ratio: 1;
  border-radius: 8px;
  object-fit: cover;
}

.profile-title {
  margin: 8px 0;
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.15;
}

.profile-detail,
.timeline-content p,
.project-card p,
.compact-list p,
.leadership-list p,
.site-footer {
  color: var(--muted);
}

.proof-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--line);
  background: var(--surface-muted);
}

.proof-item {
  padding: 28px 24px;
  border-right: 1px solid var(--line);
}

.proof-item:last-child {
  border-right: 0;
}

.proof-item span {
  display: block;
  color: var(--ink);
  font-size: 1.45rem;
  font-weight: 850;
}

.proof-item p {
  margin: 6px 0 0;
  color: var(--muted);
}

.split-section,
#experience,
#projects,
#publications,
.recognition {
  padding: 88px 0;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: 52px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.split-section h2 {
  margin-top: 8px;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.focus-grid p,
.project-card,
.compact-list article,
.leadership-list article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.focus-grid p {
  min-height: 96px;
  margin: 0;
  padding: 20px;
  color: var(--ink);
  font-weight: 750;
}

.timeline {
  border-top: 1px solid var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 34px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-meta p {
  margin-bottom: 4px;
  color: var(--accent-dark);
  font-weight: 800;
}

.timeline-meta span {
  color: var(--muted);
}

.timeline-content ul {
  margin: 16px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  display: flex;
  min-height: 270px;
  flex-direction: column;
  padding: 24px;
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 34px;
}

.card-topline a,
.compact-list a {
  color: var(--accent-dark);
  font-weight: 800;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 24px;
}

.tag-list span,
.award-list span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 11px;
  background: var(--surface-muted);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 700;
}

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

.compact-list article {
  padding: 20px;
}

.compact-list h3,
.compact-list p {
  margin-bottom: 4px;
}

.recognition-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
  gap: 24px;
}

.award-list {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 10px;
}

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

.leadership-list article {
  padding: 20px;
}

.leadership-list h3,
.leadership-list p {
  margin-bottom: 6px;
}

.contact-section {
  background: var(--ink);
  color: #fff;
}

.contact-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 72px 0;
}

.contact-inner .section-label,
.contact-inner h2 {
  color: #fff;
}

.contact-inner .button {
  border-color: rgba(255, 255, 255, 0.28);
  background: transparent;
  color: #fff;
}

.contact-inner .button-primary {
  border-color: #fff;
  background: #fff;
  color: var(--ink);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0;
  font-size: 0.94rem;
}

.site-footer p {
  margin: 0;
}

.site-footer div {
  display: flex;
  gap: 18px;
  font-weight: 700;
}

@media (max-width: 860px) {
  .site-header,
  .section-shell,
  .proof-band,
  .site-footer {
    width: min(100% - 28px, 1120px);
  }

  .site-header {
    align-items: flex-start;
  }

  .site-nav {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px 16px;
  }

  .hero,
  .split-section,
  .timeline-item,
  .recognition-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding-top: 52px;
  }

  .proof-band,
  .project-grid,
  .focus-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof-item:nth-child(2) {
    border-right: 0;
  }

  .proof-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .contact-inner,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .site-header {
    position: static;
  }

  .site-mark strong {
    display: none;
  }

  .site-nav {
    font-size: 0.88rem;
  }

  h1 {
    font-size: 3.45rem;
  }

  .proof-band,
  .project-grid,
  .focus-grid {
    grid-template-columns: 1fr;
  }

  .proof-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-item:last-child {
    border-bottom: 0;
  }

  .split-section,
  #experience,
  #projects,
  #publications,
  .recognition {
    padding: 64px 0;
  }

  .hero-actions .button,
  .contact-actions .button {
    width: 100%;
  }
}