:root {
  --ink: #101b31;
  --ink-soft: #4a556a;
  --paper: #f7f9fc;
  --white: #ffffff;
  --line: #d8dee9;
  --accent: #b51f3a;
  --accent-dark: #8b132a;
  --blue: #dce8f7;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
a:hover { color: var(--accent); }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .7rem 1rem;
  color: var(--white);
  background: var(--ink);
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 max(5vw, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid rgba(16, 27, 49, .12);
  background: rgba(247, 249, 252, .92);
  backdrop-filter: blur(14px);
}

.wordmark { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; }
.wordmark span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--white);
  background: var(--ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: .88rem;
  letter-spacing: .06em;
}
.wordmark strong { font-size: .97rem; font-weight: 600; }

nav { display: flex; align-items: center; gap: 1.75rem; }
nav a { font-size: .91rem; font-weight: 600; text-decoration: none; }
.nav-cv { padding: .5rem .9rem; border: 1px solid var(--ink); }
.menu-button { display: none; }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(220px, .48fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
  min-height: calc(100vh - 76px);
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 8rem) 0;
}

.hero::before {
  content: "";
  position: absolute;
  top: 11%;
  left: -6vw;
  width: 1px;
  height: 72%;
  background: var(--accent);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1, h2, h3 { margin-top: 0; font-family: "Source Serif 4", Georgia, serif; line-height: 1.08; }
h1 { margin-bottom: 1.5rem; font-size: clamp(4.6rem, 10vw, 8.8rem); font-weight: 500; letter-spacing: -.055em; }
h2 { margin-bottom: 1.3rem; font-size: clamp(3rem, 6vw, 5.2rem); font-weight: 500; letter-spacing: -.045em; }
h3 { font-size: 1.55rem; font-weight: 600; letter-spacing: -.02em; }

.intro { max-width: 720px; margin: 0; color: var(--ink-soft); font-size: clamp(1.18rem, 2vw, 1.48rem); line-height: 1.55; }
.roles { display: flex; flex-wrap: wrap; gap: .65rem 1.25rem; margin: 1.7rem 0 2.2rem; font-size: .91rem; font-weight: 600; }
.roles span { padding-left: 1rem; border-left: 3px solid var(--accent); }

.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .72rem 1.25rem;
  border: 1px solid var(--ink);
  font-size: .9rem;
  font-weight: 700;
  text-decoration: none;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { color: var(--white); background: var(--ink); }
.button.primary:hover { color: var(--white); background: var(--accent); border-color: var(--accent); }
.button.secondary:hover { color: var(--white); background: var(--ink); }

.profile-panel { align-self: center; justify-self: end; width: 100%; max-width: 310px; }
.portrait-wrap { position: relative; padding: 1rem 1rem 3.4rem; background: var(--blue); }
.portrait-wrap::after {
  content: "";
  position: absolute;
  right: -12px;
  top: -12px;
  width: 88px;
  height: 88px;
  border-top: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
}
.portrait-wrap img { display: block; width: 100%; aspect-ratio: 1 / 1; object-fit: cover; object-position: center; filter: saturate(.82) contrast(1.03); }
.portrait-mark { position: absolute; left: 1.3rem; bottom: .7rem; font-size: .69rem; font-weight: 700; line-height: 1.25; letter-spacing: .15em; text-transform: uppercase; }
.profile-links { display: grid; margin-top: 1rem; border-top: 1px solid var(--line); }
.profile-links a { display: flex; justify-content: space-between; padding: .75rem .15rem; border-bottom: 1px solid var(--line); font-size: .9rem; font-weight: 600; text-decoration: none; }

.signal-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  padding: 2rem max(5vw, calc((100vw - var(--max)) / 2));
  color: var(--white);
  background: var(--ink);
}
.signal-strip p { margin: 0; color: #c8d0de; font-size: .91rem; }
.signal-strip strong { display: block; margin-bottom: .25rem; color: var(--white); }

.section { max-width: var(--max); margin: 0 auto; padding: clamp(6rem, 10vw, 10rem) 0; }
.section-heading { display: grid; grid-template-columns: 1fr 1.2fr; column-gap: 5rem; align-items: end; margin-bottom: 3.5rem; }
.section-heading .eyebrow { grid-column: 1 / -1; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p:last-child { margin: 0 0 .65rem; color: var(--ink-soft); font-size: 1.15rem; }
.section-heading.compact { display: block; }

.working-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.working-list > li { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 1.2rem; padding: 2rem .2rem 2.15rem; border-bottom: 1px solid var(--line); }
.paper-number { padding-top: .18rem; color: var(--accent); font-size: .77rem; font-weight: 700; letter-spacing: .08em; }
.working-list h3 { max-width: 900px; margin: .35rem 0 .45rem; font-size: clamp(1.42rem, 2.3vw, 1.8rem); }
.working-list h3 a { text-decoration: none; }
.paper-meta { margin: 0; color: var(--accent); font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.paper-authors { margin: 0 0 .75rem; color: var(--ink-soft); font-size: .9rem; }
.paper-resources { display: flex; flex-wrap: wrap; gap: .55rem 1.2rem; margin-top: .9rem; }
.paper-resources a { color: var(--accent-dark); font-size: .84rem; font-weight: 700; text-decoration: none; }

.publications-section { border-top: 1px solid var(--line); }
.publication-list { margin: 0 0 2rem; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.publication-list li { display: grid; grid-template-columns: 64px 1fr; gap: 1.2rem; padding: 1.25rem .2rem; border-bottom: 1px solid var(--line); }
.pub-number { color: var(--accent); font-size: .77rem; font-weight: 700; letter-spacing: .08em; }
.publication-list a { font-family: "Source Serif 4", Georgia, serif; font-size: 1.25rem; font-weight: 600; text-decoration: none; }
.publication-list p { margin: .25rem 0 0; color: var(--ink-soft); font-size: .9rem; }
.publications-button { margin-top: 1rem; }

.profile-section { display: grid; grid-template-columns: .85fr 1.55fr; gap: clamp(3rem, 8vw, 8rem); border-top: 1px solid var(--line); }
.profile-intro > p:last-child { color: var(--ink-soft); font-size: 1.05rem; }
.profile-columns { display: grid; gap: 1rem; }
.profile-columns article { padding: 1.7rem 2rem; border-left: 4px solid var(--accent); background: var(--white); }
.profile-columns h3 { margin-bottom: .75rem; }
.card-kicker { margin: 0 0 .5rem; color: var(--accent); font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.profile-columns ul { margin: 0; padding-left: 1.1rem; color: var(--ink-soft); }
.profile-columns li + li { margin-top: .35rem; }

.contact-section { display: grid; grid-template-columns: 1.2fr .8fr; gap: 5rem; padding: clamp(5rem, 10vw, 9rem) max(5vw, calc((100vw - var(--max)) / 2)); color: var(--white); background: var(--ink); }
.contact-section .eyebrow { color: #ff7891; }
.contact-section h2 { margin-bottom: 0; }
.contact-details { align-self: end; }
.contact-details > a { color: var(--white); font-family: "Source Serif 4", Georgia, serif; font-size: clamp(1.25rem, 2.3vw, 1.8rem); }
.contact-details p { color: #bcc5d4; }
.contact-links { display: flex; gap: 1.2rem; margin-top: 2rem; }
.contact-links a { color: var(--white); font-size: .86rem; font-weight: 700; text-decoration: none; }

footer { display: flex; justify-content: space-between; padding: 1.35rem max(5vw, calc((100vw - var(--max)) / 2)); color: #c2cad7; background: #0a1222; font-size: .82rem; }
footer p { margin: 0; }
footer a { color: inherit; text-decoration: none; }

@media (max-width: 1240px) {
  .hero, .section { margin-left: 5vw; margin-right: 5vw; }
}

@media (max-width: 820px) {
  .site-header { min-height: 68px; }
  .menu-button { display: inline-flex; padding: .5rem .75rem; color: var(--ink); border: 1px solid var(--ink); background: transparent; font: inherit; font-size: .85rem; font-weight: 700; }
  nav { position: absolute; top: 68px; left: 0; right: 0; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: .75rem 5vw 1.25rem; border-bottom: 1px solid var(--line); background: var(--paper); }
  nav.open { display: flex; }
  nav a { padding: .72rem 0; }
  .nav-cv { padding: .72rem 0; border: 0; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 4.5rem; }
  .hero::before { display: none; }
  .profile-panel { display: grid; grid-template-columns: minmax(200px, 1fr) 1fr; gap: 1.5rem; align-items: end; justify-self: start; max-width: 560px; }
  .signal-strip, .section-heading, .profile-section, .contact-section { grid-template-columns: 1fr; }
  .section-heading { gap: 1rem; }
}

@media (max-width: 600px) {
  h1 { font-size: clamp(4rem, 24vw, 6.2rem); }
  .hero { gap: 4rem; }
  .profile-panel { display: block; }
  .working-list > li { grid-template-columns: 38px minmax(0, 1fr); }
  .publication-list li { grid-template-columns: 38px 1fr; }
  .signal-strip { grid-template-columns: 1fr; gap: 1.3rem; }
  .contact-section { gap: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}
/* ---- Hero name on a single line ---- */
.hero .hero-copy h1 {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  line-height: 1.05;
  white-space: nowrap;
}

@media (max-width: 420px) {
  .hero .hero-copy h1 {
    white-space: normal;
  }
}

/* ---- Square portrait ---- */
.hero .portrait-wrap {
  aspect-ratio: 1 / 1;
  height: auto;
}

.hero .portrait-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 30%;
  display: block;
  border-radius: inherit;
}
/* ---- Kill the trailing rules after each list ---- */
.working-list,
.publication-list {
  border-bottom: 0;
}

.working-list::after,
.publication-list::after,
.research-section::after,
.publications-section::after {
  display: none;
}

.research-section,
.publications-section {
  border-bottom: 0;
  padding-bottom: clamp(3rem, 6vw, 4.5rem);
}
.working-list > li:last-child,
.publication-list > li:last-child {
  border-bottom: 0 !important;
  margin-bottom: 0 !important;
  padding-bottom: 0 !important;
}

.working-list > li:last-child::after,
.publication-list > li:last-child::after {
  content: none !important;
  display: none !important;
}

.working-list,
.publication-list {
  border: 0 !important;
  margin-bottom: 0 !important;
  padding-bottom: 0 !important;
  min-height: 0 !important;
  grid-template-rows: none !important;
  grid-auto-rows: auto !important;
}

.working-list::before,
.working-list::after,
.publication-list::before,
.publication-list::after,
.research-section::after,
.publications-section::after {
  content: none !important;
  display: none !important;
}

.research-section,
.publications-section {
  border-bottom: 0 !important;
  padding-bottom: clamp(2.5rem, 5vw, 4rem) !important;
}
.portrait-wrap { padding: 1rem; }