:root {
  color-scheme: light;
  --paper: #f7f9fc;
  --surface: #ffffff;
  --ink: #111827;
  --muted: #64748b;
  --soft: #eef2f7;
  --line: #d8dee9;
  --line-strong: #b9c2d0;
  --panel: rgba(255, 255, 255, 0.92);
  --accent: #1d4ed8;
  --accent-2: #0f172a;
  --blue: #2563eb;
  --shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(180deg, #ffffff 0%, #f7f9fc 34%, #f3f6fb 100%);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.55;
}

#field {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: 0.18;
  pointer-events: none;
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 14px clamp(18px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--accent-2);
  background: var(--accent-2);
  color: #ffffff;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.6vw, 30px);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.hero {
  padding: clamp(58px, 7vw, 92px) clamp(18px, 5vw, 64px) clamp(42px, 5vw, 68px);
}

.hero-kicker,
.section-label,
.work-meta,
footer {
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-kicker {
  margin-bottom: 20px;
  color: var(--accent);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(280px, 360px);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-family: Inter, system-ui, sans-serif;
  font-size: clamp(34px, 5vw, 60px);
  font-weight: 850;
  letter-spacing: 0;
  line-height: 1.04;
}

h2 {
  margin-bottom: 14px;
  font-family: Inter, system-ui, sans-serif;
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.03;
}

h3 {
  margin-bottom: 8px;
  font-size: 17px;
  line-height: 1.2;
}

.lede {
  max-width: 700px;
  margin-bottom: 20px;
  color: #334155;
  font-size: clamp(16px, 1.45vw, 20px);
  line-height: 1.62;
}

.profile-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 760px;
}

.profile-badges span,
.skill-pills span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border: 1px solid var(--line-strong);
  background: #ffffff;
  color: #334155;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  padding: 0 10px;
}

.intro-card {
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 20px;
}

.profile-photo {
  width: 132px;
  height: 132px;
  margin-bottom: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
}

.intro-card p {
  color: #334155;
  font-size: 14px;
  line-height: 1.65;
}

.intro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.intro-links a,
.button,
.work-copy a {
  border: 1px solid var(--line-strong);
  background: #ffffff;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.intro-links a,
.work-copy a {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 11px;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line);
  background: #ffffff;
}

.proof-strip div {
  min-height: 128px;
  padding: 18px clamp(18px, 2.6vw, 28px);
  border-right: 1px solid var(--line);
}

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

.proof-strip strong {
  display: block;
  margin-bottom: 12px;
  color: var(--accent-2);
  font-family: Inter, system-ui, sans-serif;
  font-weight: 850;
  font-size: clamp(30px, 3.4vw, 52px);
  line-height: 0.96;
}

.proof-strip span {
  display: block;
  max-width: 270px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.45;
}

.section {
  padding: clamp(52px, 7vw, 88px) clamp(18px, 5vw, 64px);
}

.section-label {
  display: block;
  margin-bottom: 18px;
  color: var(--accent);
}

.experience-section {
  border-bottom: 1px solid var(--line);
  background: rgba(238, 242, 247, 0.58);
}

.experience-grid,
.skills-layout,
.research-profile-grid,
.service-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.experience-lead {
  position: sticky;
  top: 88px;
}

.experience-lead span,
.role-line span {
  color: var(--accent-2);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.experience-lead p,
.skills-layout p,
.research-profile-grid p,
.service-grid p {
  color: #475569;
  font-size: 15px;
  line-height: 1.68;
}

.research-profile-section {
  border-bottom: 1px solid var(--line);
}

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

.research-cards article,
.publication-item,
.service-list span {
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.research-cards article {
  padding: 18px;
}

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

.publications-section {
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.publication-list {
  display: grid;
  gap: 14px;
}

.publication-item {
  padding: 20px;
}

.publication-item.accepted {
  border-left: 4px solid var(--accent);
}

.publication-item span {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.publication-item h2 {
  max-width: 950px;
  margin-bottom: 8px;
  font-size: clamp(24px, 3vw, 36px);
}

.publication-item p {
  margin-bottom: 0;
  color: #475569;
}

.service-section {
  border-bottom: 1px solid var(--line);
  background: rgba(238, 242, 247, 0.52);
}

.service-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.research-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.research-links a {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  border: 1px solid var(--line-strong);
  background: #ffffff;
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 800;
  padding: 0 12px;
}

.service-list span {
  display: flex;
  min-height: 64px;
  align-items: center;
  padding: 14px;
  color: #334155;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
}

.experience-list {
  display: grid;
  gap: 14px;
}

.experience-list article,
.skill-groups article {
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 18px;
}

.role-line {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
  margin-bottom: 10px;
}

.role-line h3 {
  margin-bottom: 0;
}

.experience-list ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
  color: #334155;
  font-size: 14px;
  line-height: 1.55;
}

.work-list {
  border-top: 1px solid var(--ink);
}

.work-item {
  display: grid;
  grid-template-columns: minmax(132px, 0.24fr) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 56px);
  padding: clamp(24px, 4vw, 44px) 0;
  border-bottom: 1px solid var(--line-strong);
}

.work-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.work-meta span:first-child {
  color: var(--ink);
  font-size: 13px;
}

.work-copy {
  max-width: 780px;
}

.work-copy h2 {
  margin-bottom: 10px;
}

.work-copy p,
.research-head p,
.note-list p,
.contact-section p,
.reference-copy p {
  color: #475569;
  font-size: 15px;
  line-height: 1.68;
}

.work-copy ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 20px;
  padding-left: 18px;
  color: #334155;
  font-size: 14px;
  line-height: 1.55;
}

.skills-section {
  border-block: 1px solid var(--line);
  background: rgba(20, 20, 20, 0.035);
}

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

.skill-groups h3 {
  margin-bottom: 12px;
}

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.research-section {
  border-block: 1px solid var(--line);
  background: rgba(238, 242, 247, 0.72);
}

.research-head {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(260px, 0.48fr);
  gap: clamp(24px, 4vw, 58px);
  align-items: end;
  margin-bottom: 24px;
}

.artifact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: #ffffff;
  overflow: hidden;
  box-shadow: var(--shadow);
}

figure img {
  width: 100%;
  aspect-ratio: 1.16;
  object-fit: cover;
  background: white;
  border-bottom: 1px solid var(--line);
}

figcaption {
  min-height: 62px;
  padding: 12px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.notes-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.74fr) minmax(320px, 0.96fr);
  gap: clamp(28px, 5vw, 72px);
}

.note-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.note-list article {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.note-list p {
  margin-bottom: 0;
}

.references-section {
  padding-top: 0;
}

.reference-copy {
  max-width: 740px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  margin: 0 clamp(18px, 5vw, 64px) clamp(36px, 6vw, 68px);
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--ink);
  background: #0f172a;
  color: #ffffff;
}

.contact-section .section-label {
  color: #93c5fd;
}

.contact-section h2 {
  max-width: 760px;
}

.contact-section p {
  max-width: 770px;
  margin-bottom: 0;
  color: #cbd5e1;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 15px;
}

.button.primary {
  border-color: #ffffff;
  background: #ffffff;
  color: #0f172a;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.4);
  background: transparent;
  color: #ffffff;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px clamp(18px, 5vw, 64px) 34px;
  border-top: 1px solid var(--line);
}

@media (max-width: 1080px) {
  .hero-grid,
  .experience-grid,
  .skills-layout,
  .research-profile-grid,
  .service-grid,
  .research-head,
  .notes-grid,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .experience-lead {
    position: static;
  }

  .proof-strip,
  .artifact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  h1 {
    font-size: clamp(34px, 10vw, 48px);
  }

  .proof-strip,
  .artifact-grid,
  .skill-groups,
  .research-cards,
  .service-list {
    grid-template-columns: 1fr;
  }

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

  .work-item {
    grid-template-columns: 1fr;
  }

  .work-meta {
    flex-direction: row;
    justify-content: space-between;
  }

  .role-line {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

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

  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}