:root {
  --paper: #f3efe7;
  --ink: #191816;
  --muted: #6f6b63;
  --line: #d4cec2;
  --accent: #eb5e38;
  --accent-dark: #c94322;
  --white: #fffdf8;
  --page: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(rgba(25, 24, 22, 0.035) 1px, transparent 1px), var(--paper);
  background-size: 100% 32px;
  font-family: "Manrope", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 10;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: var(--page);
  margin: 0 auto;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: var(--white);
  background: var(--ink);
  font-family: "DM Mono", monospace;
  font-weight: 500;
  text-decoration: none;
}

nav { display: flex; gap: clamp(18px, 4vw, 48px); }

nav a,
footer a,
.social-links a {
  position: relative;
  font-family: "DM Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
}

nav a::after,
.social-links a::after,
footer a::after {
  position: absolute;
  right: 0;
  bottom: -4px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

nav a:hover::after,
nav a:focus-visible::after,
.social-links a:hover::after,
.social-links a:focus-visible::after,
footer a:hover::after,
footer a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.75fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: center;
  width: var(--page);
  min-height: calc(100vh - 95px);
  margin: 0 auto;
  padding: 72px 0 96px;
}

.eyebrow,
.section-label span,
.publication-meta,
.portrait-wrap figcaption,
.tag {
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--accent-dark);
  font-weight: 500;
}

h1,
.contact h2 {
  margin: 0;
  font-size: clamp(4.8rem, 10vw, 9.5rem);
  font-weight: 600;
  letter-spacing: -0.075em;
  line-height: 0.82;
}

.accent { color: var(--accent); }

.intro {
  max-width: 580px;
  margin: 42px 0 0;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.45;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 42px;
}

.button {
  padding: 13px 20px;
  border: 1px solid var(--ink);
  font-family: "DM Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover,
.button:focus-visible { transform: translateY(-2px); }

.button-primary { color: var(--white); background: var(--ink); }

.button-primary:hover,
.button-primary:focus-visible { background: var(--accent-dark); }

.button-secondary:hover,
.button-secondary:focus-visible { color: var(--white); background: var(--ink); }

.portrait-wrap { position: relative; margin: 0; }

.portrait-wrap::before {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 76%;
  height: 72%;
  border: 2px solid var(--accent);
  content: "";
}

.portrait {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04);
}

.portrait-number {
  position: absolute;
  bottom: 34px;
  left: -38px;
  z-index: 1;
  color: var(--accent);
  font-family: "DM Mono", monospace;
  font-size: clamp(3.5rem, 7vw, 6.5rem);
  font-weight: 500;
  line-height: 1;
}

.portrait-wrap figcaption { margin-top: 14px; color: var(--muted); }

.section {
  display: grid;
  grid-template-columns: minmax(180px, 0.34fr) minmax(0, 1fr);
  gap: clamp(36px, 8vw, 120px);
  width: var(--page);
  margin: 0 auto;
  padding: 110px 0;
  border-top: 1px solid var(--line);
}

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

.section-label h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
}

.timeline-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-item:first-child { padding-top: 0; }

.timeline-item p { margin: 4px 0 0; color: var(--muted); }

.timeline-item .degree {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 600;
}

.tag {
  flex: none;
  padding: 6px 10px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.publication {
  position: relative;
  display: block;
  padding: 30px 64px 32px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

a.publication { transition: padding 200ms ease, color 200ms ease; }

a.publication:hover,
a.publication:focus-visible { padding-left: 18px; color: var(--accent-dark); }

.publication:first-child { padding-top: 0; }

.publication-meta { color: var(--accent-dark); }

.publication h3 {
  max-width: 780px;
  margin: 12px 0 7px;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.publication p { margin: 0; color: var(--muted); }

.publication .publication-authors { margin-top: 10px; font-size: 0.9rem; }

.publication-arrow { position: absolute; top: 18px; right: 2px; font-size: 1.8rem; }

.interests-lead {
  max-width: 780px;
  margin: 0 0 48px;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 1.45;
}

.interest-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.interest-grid article {
  padding: 28px 28px 30px 0;
  border-bottom: 1px solid var(--line);
}

.interest-grid article:nth-child(odd) { border-right: 1px solid var(--line); }

.interest-grid article:nth-child(even) { padding-left: 28px; }

.interest-grid span {
  color: var(--accent-dark);
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
}

.interest-grid h3,
.engagement-card h3 {
  margin: 12px 0 8px;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  letter-spacing: -0.025em;
  line-height: 1.3;
}

.interest-grid p,
.engagement-card > p:last-child {
  margin: 0;
  color: var(--muted);
}

.engagement-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: 56px;
}

.engagement-card {
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.engagement-feature {
  padding: 30px;
  border: 0;
  background: var(--white);
  box-shadow: 9px 9px 0 var(--accent);
}

.engagement-card .publication-meta { margin: 0; }

.engagement-link {
  display: inline-block;
  margin-top: 28px;
  padding-bottom: 3px;
  border-bottom: 1px solid currentColor;
  font-family: "DM Mono", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease;
}

.engagement-link:hover,
.engagement-link:focus-visible { color: var(--accent-dark); }

.talk-list { margin-top: 22px; }

.talk-list a {
  position: relative;
  display: block;
  padding: 20px 42px 20px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  transition: color 180ms ease, padding 180ms ease;
}

.talk-list a:hover,
.talk-list a:focus-visible {
  padding-left: 10px;
  color: var(--accent-dark);
}

.talk-list span {
  display: block;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.talk-list strong {
  display: block;
  margin-top: 6px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.45;
}

.talk-list i {
  position: absolute;
  top: 28px;
  right: 4px;
  font-size: 1.25rem;
  font-style: normal;
}

.personal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.75fr);
  gap: clamp(42px, 7vw, 88px);
  align-items: start;
}

.personal-copy .interests-lead { margin-bottom: 34px; }

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

.hobby-list article {
  display: grid;
  grid-template-columns: 32px 0.45fr 1fr;
  gap: 18px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.hobby-list span {
  color: var(--accent-dark);
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
}

.hobby-list h3 {
  margin: 0;
  font-size: 1.1rem;
}

.hobby-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.personal-photo-wrap {
  position: relative;
  width: 100%;
  margin: 0;
}

.personal-photo-wrap::before {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 58%;
  height: 68%;
  border: 2px solid var(--accent);
  content: "";
}

.personal-photo {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.03);
}

.personal-photo-wrap figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact {
  width: var(--page);
  margin: 0 auto;
  padding: 120px clamp(24px, 7vw, 90px);
  color: var(--white);
  background: var(--ink);
}

.contact h2 { font-size: clamp(4rem, 10vw, 8.5rem); }

.contact-email {
  display: inline-block;
  margin-top: 52px;
  font-size: clamp(1.05rem, 2.5vw, 2rem);
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 8px;
}

.social-links { display: flex; gap: 32px; margin-top: 54px; }

footer {
  display: flex;
  justify-content: space-between;
  width: var(--page);
  margin: 0 auto;
  padding: 28px 0 40px;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
}

footer p { margin: 0; }

.error-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.error-page main {
  width: min(720px, 100%);
}

.error-page .intro {
  margin-bottom: 42px;
}

@media (max-width: 760px) {
  :root { --page: calc(100vw - 32px); }

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

  nav { display: grid; grid-template-columns: repeat(2, auto); gap: 8px 22px; }

  .hero { grid-template-columns: 1fr; min-height: 0; padding: 64px 0 88px; }

  h1 { font-size: clamp(4.2rem, 24vw, 7rem); }

  .portrait-wrap { width: calc(100% - 18px); margin-left: 18px; }

  .portrait-number { left: -18px; }

  .section { grid-template-columns: 1fr; gap: 52px; padding: 82px 0; }

  .timeline-item { display: block; }

  .tag { display: inline-block; margin-top: 14px; }

  .interest-grid { grid-template-columns: 1fr; }

  .interest-grid article:nth-child(odd) { border-right: 0; }

  .interest-grid article:nth-child(even) { padding-left: 0; }

  .engagement-grid { grid-template-columns: 1fr; }

  .personal-grid { grid-template-columns: 1fr; }

  .hobby-list article { grid-template-columns: 32px 1fr; }

  .hobby-list p { grid-column: 2; }

  .personal-photo-wrap { width: min(480px, calc(100% - 10px)); }

  .contact { padding: 84px 24px; }

  .contact-email { overflow-wrap: anywhere; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after { transition-duration: 0.01ms !important; }
}