:root {
  --paper: #f7f4ed;
  --paper-deep: #eee9df;
  --white: #fffdf9;
  --ink: #16243a;
  --ink-soft: #4e5968;
  --navy: #14315f;
  --terracotta: #b85f43;
  --terracotta-soft: #f0d9cf;
  --line: rgba(22, 36, 58, 0.16);
  --shadow: 0 24px 60px rgba(22, 36, 58, 0.09);
  --page-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 4% 7%, rgba(184, 95, 67, 0.08), transparent 25rem),
    var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(184, 95, 67, 0.16);
}

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

::selection {
  background: var(--terracotta-soft);
  color: var(--ink);
}

.page-wrap {
  width: min(calc(100% - 48px), var(--page-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  transform: translateY(-160%);
  background: var(--ink);
  color: white;
  border-radius: 4px;
}

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

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 244, 237, 0.9);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 48px), var(--page-width));
  min-height: 88px;
  margin-inline: auto;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.wordmark-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--navy);
  border-radius: 50%;
  color: var(--navy);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-link {
  position: relative;
  padding: 29px 0 27px;
  color: var(--ink-soft);
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.nav-link::after {
  position: absolute;
  bottom: 19px;
  left: 0;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--terracotta);
  content: "";
  transition: transform 180ms ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--ink);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--terracotta);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: clamp(48px, 8vw, 110px);
  align-items: center;
  min-height: calc(100vh - 88px);
  padding-block: 84px;
}

.hero-copy {
  max-width: 670px;
  animation: rise-in 650ms ease both;
}

.hero-copy h1,
.page-intro h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4.2rem, 8vw, 7.6rem);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.87;
}

.hero-lead {
  max-width: 620px;
  margin: 38px 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2.1vw, 1.8rem);
  line-height: 1.45;
}

.hero-lead strong {
  color: var(--navy);
}

.hero-bio {
  max-width: 590px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.8;
}

.hero-actions,
.cv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 13px 20px;
  border: 1px solid var(--ink);
  border-radius: 3px;
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1;
  text-transform: uppercase;
  transition: 180ms ease;
}

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

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

.button-primary:hover {
  border-color: var(--navy);
  background: var(--navy);
}

.button-secondary:hover {
  background: var(--white);
}

.portrait-block {
  position: relative;
  width: min(100%, 470px);
  justify-self: end;
  animation: rise-in 750ms 100ms ease both;
}

.portrait-frame {
  position: relative;
  z-index: 1;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 4px;
  background: var(--paper-deep);
  box-shadow: var(--shadow);
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 49% center;
  filter: saturate(0.78) contrast(1.03);
}

.portrait-frame::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20, 49, 95, 0.16), transparent 40%);
  content: "";
}

.portrait-accent {
  position: absolute;
  right: -22px;
  bottom: -22px;
  width: 70%;
  height: 80%;
  border-radius: 3px;
  background: var(--terracotta-soft);
}

.portrait-note {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 14px;
  width: max-content;
  max-width: 100%;
  margin: 20px 0 0 auto;
}

.portrait-note span {
  width: 38px;
  height: 1px;
  background: var(--terracotta);
}

.portrait-note p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.specializations {
  padding-block: 120px 140px;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 64px;
}

.section-heading h2,
.home-cta h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.7rem, 5vw, 4.8rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.section-number {
  margin: 8px 0 0;
  color: var(--terracotta);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
}

.specialization-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.specialization-item {
  min-height: 170px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 249, 0.28);
}

.specialization-item span {
  color: var(--terracotta);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.specialization-item h3 {
  max-width: 260px;
  margin: 35px 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-weight: 400;
  line-height: 1.25;
}

.home-cta {
  background: var(--navy);
  color: white;
}

.home-cta-inner {
  padding-block: 110px;
}

.home-cta .eyebrow {
  color: #e2a18c;
}

.home-cta h2 {
  max-width: 860px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-top: 42px;
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.55);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.65fr);
  gap: 70px;
  align-items: end;
  padding-block: 120px 100px;
  border-bottom: 1px solid var(--line);
}

.page-intro .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -32px;
}

.page-intro h1 {
  font-size: clamp(4.5rem, 10vw, 9rem);
}

.page-intro > p,
.cv-intro .intro-copy > p:last-child {
  max-width: 530px;
  margin: 0 0 6px;
  color: var(--ink-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.55;
}

.research-list {
  padding-block: 40px 140px;
}

.research-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.74fr) minmax(0, 1.26fr);
  gap: clamp(42px, 7vw, 100px);
  align-items: start;
  padding-block: 100px;
  border-bottom: 1px solid var(--line);
}

.research-card:nth-child(even) {
  grid-template-columns: minmax(0, 1.26fr) minmax(280px, 0.74fr);
}

.research-card:nth-child(even) .research-media {
  order: 2;
}

.research-media {
  position: sticky;
  top: 42px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--paper-deep);
  box-shadow: var(--shadow);
}

.research-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06);
}

.research-media--portrait img {
  object-position: center 22%;
}

.research-index {
  position: absolute;
  right: 0;
  bottom: 0;
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  background: var(--terracotta);
  color: white;
  font-size: 0.7rem;
  font-weight: 800;
}

.research-content {
  max-width: 710px;
}

.research-type {
  margin: 0 0 20px;
  color: var(--terracotta);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.research-content h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 3.6vw, 3.25rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.11;
}

.coauthor {
  margin: 16px 0 0;
  color: var(--navy);
  font-size: 0.82rem;
  font-weight: 700;
}

.abstract {
  margin-top: 30px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.88;
}

.abstract em,
.publication em {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
}

.publication-row {
  display: flex;
  gap: 24px;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: 34px;
  padding-top: 23px;
  border-top: 1px solid var(--line);
}

.publication {
  max-width: 530px;
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.65;
}

.view-link {
  display: inline-flex;
  flex: 0 0 auto;
  gap: 9px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--terracotta);
  color: var(--terracotta);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.upcoming-talks {
  padding-bottom: 140px;
}

.upcoming-talks-heading {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 48px;
}

.upcoming-talks-heading .eyebrow {
  margin-bottom: 8px;
}

.upcoming-talks-heading h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.7rem, 5vw, 4.8rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.talk-card {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  background: var(--navy);
  color: white;
  box-shadow: var(--shadow);
}

.talk-event,
.talk-paper {
  padding: clamp(34px, 5vw, 58px);
}

.talk-event {
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.talk-label {
  margin: 0 0 20px;
  color: #e2a18c;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.talk-event h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 400;
  line-height: 1.15;
}

.talk-event > p:last-child {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.talk-paper > p:last-child {
  max-width: 690px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  line-height: 1.35;
}

.cv-intro {
  grid-template-columns: minmax(0, 1fr) auto;
}

.cv-intro .eyebrow {
  grid-column: auto;
  margin-bottom: 18px;
}

.cv-intro h1 {
  margin-bottom: 30px;
}

.cv-actions {
  justify-content: flex-end;
  margin: 0 0 8px;
}

.cv-preview {
  padding-block: 64px 130px;
}

.cv-preview-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  padding: 12px 20px;
  border: 1px solid var(--line);
  border-bottom: 0;
  background: var(--white);
}

.cv-preview-bar div {
  display: flex;
  align-items: center;
  gap: 11px;
}

.document-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--terracotta);
}

.cv-preview-bar p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cv-preview object {
  display: block;
  width: 100%;
  height: min(78vh, 930px);
  border: 1px solid var(--line);
  background: white;
  box-shadow: var(--shadow);
}

.cv-fallback {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 0.83rem;
}

.cv-fallback a {
  color: var(--terracotta);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.mobile-cv-message {
  display: none;
}

.site-footer {
  padding: 70px max(24px, calc((100vw - var(--page-width)) / 2));
  background: #111d2e;
  color: white;
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 60px;
  padding-bottom: 56px;
}

.footer-label {
  margin: 0 0 18px;
  color: #d88b70;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.25rem, 2.3vw, 2rem);
}

.footer-meta {
  color: rgba(255, 255, 255, 0.58);
  text-align: right;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-meta p {
  margin: 0;
}

.footer-base {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.69rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.footer-base p {
  margin: 0;
}

:focus-visible {
  outline: 3px solid rgba(184, 95, 67, 0.45);
  outline-offset: 4px;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
}

@media (max-width: 900px) {
  .home-hero,
  .page-intro,
  .cv-intro {
    grid-template-columns: 1fr;
  }

  .home-hero {
    min-height: auto;
    padding-block: 76px 100px;
  }

  .portrait-block {
    width: min(88%, 500px);
    justify-self: center;
  }

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

  .page-intro {
    gap: 34px;
    padding-block: 90px 70px;
  }

  .page-intro .eyebrow {
    grid-column: auto;
    margin-bottom: -6px;
  }

  .research-card,
  .research-card:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-block: 78px;
  }

  .research-card:nth-child(even) .research-media {
    order: initial;
  }

  .research-media {
    position: relative;
    top: auto;
    width: min(100%, 650px);
  }

  .cv-actions {
    justify-content: flex-start;
  }

  .talk-card {
    grid-template-columns: 1fr;
  }

  .talk-event {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }
}

@media (max-width: 620px) {
  .page-wrap {
    width: min(calc(100% - 32px), var(--page-width));
  }

  .header-inner {
    flex-wrap: wrap;
    width: 100%;
    min-height: 0;
    padding-inline: 16px;
  }

  .wordmark {
    width: 100%;
    min-height: 58px;
    justify-content: center;
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
  }

  .wordmark-mark {
    display: none;
  }

  .primary-nav {
    width: 100%;
    gap: 0;
  }

  .nav-link {
    flex: 1 1 0;
    min-height: 48px;
    padding: 15px 8px 14px;
    text-align: center;
    font-size: 0.68rem;
    letter-spacing: 0.1em;
  }

  .nav-link::after {
    bottom: 8px;
    left: 25%;
    width: 50%;
  }

  .home-hero {
    gap: 48px;
    padding-block: 48px 72px;
  }

  .hero-copy h1 {
    max-width: 8ch;
    font-size: clamp(3.25rem, 17vw, 4.9rem);
    line-height: 0.92;
  }

  .hero-lead {
    margin-top: 28px;
    font-size: 1.24rem;
  }

  .hero-bio {
    margin-top: 20px;
    font-size: 0.97rem;
    line-height: 1.72;
  }

  .hero-actions,
  .cv-actions {
    margin-top: 30px;
  }

  .hero-actions,
  .cv-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
    min-height: 52px;
  }

  .portrait-block {
    width: calc(100% - 8px);
  }

  .portrait-accent {
    right: -10px;
    bottom: -10px;
  }

  .portrait-note {
    width: 100%;
    margin-top: 18px;
  }

  .portrait-note p {
    font-size: 0.64rem;
    letter-spacing: 0.09em;
  }

  .specializations {
    padding-block: 76px 88px;
  }

  .section-heading {
    grid-template-columns: 42px 1fr;
    gap: 12px;
  }

  .section-heading h2,
  .home-cta h2 {
    font-size: clamp(2.2rem, 11vw, 2.7rem);
  }

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

  .specialization-item {
    min-height: 128px;
    padding: 24px;
  }

  .specialization-item h3 {
    margin-top: 24px;
    font-size: 1.35rem;
  }

  .home-cta-inner {
    padding-block: 72px;
  }

  .text-link {
    align-items: flex-start;
    line-height: 1.55;
  }

  .page-intro {
    gap: 26px;
    padding-block: 58px 50px;
  }

  .page-intro h1 {
    font-size: clamp(3.7rem, 19vw, 4.5rem);
  }

  .page-intro > p,
  .cv-intro .intro-copy > p:last-child {
    font-size: 1.12rem;
    line-height: 1.5;
  }

  .research-list {
    padding-block: 0 82px;
  }

  .research-card,
  .research-card:nth-child(even) {
    gap: 30px;
    padding-block: 58px;
  }

  .research-media {
    aspect-ratio: 16 / 10;
  }

  .research-content h2 {
    overflow-wrap: anywhere;
    font-size: clamp(1.75rem, 8vw, 2rem);
    line-height: 1.16;
  }

  .abstract {
    margin-top: 24px;
    font-size: 0.96rem;
    line-height: 1.72;
  }

  .publication-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
    margin-top: 28px;
    padding-top: 20px;
  }

  .view-link {
    min-height: 44px;
    align-items: center;
  }

  .upcoming-talks {
    padding-bottom: 82px;
  }

  .upcoming-talks-heading {
    grid-template-columns: 42px 1fr;
    gap: 12px;
    margin-bottom: 36px;
  }

  .upcoming-talks-heading h2 {
    font-size: clamp(2.2rem, 11vw, 2.7rem);
  }

  .talk-event,
  .talk-paper {
    padding: 30px 26px;
  }

  .talk-paper > p:last-child {
    font-size: 1.4rem;
  }

  .cv-preview {
    width: min(calc(100% - 32px), var(--page-width));
    padding-block: 34px 76px;
  }

  .cv-preview object {
    display: none;
  }

  .cv-preview-bar {
    min-height: 56px;
    border-bottom: 1px solid var(--line);
  }

  .cv-preview-bar > p {
    display: none;
  }

  .mobile-cv-message {
    display: block;
    padding: 24px;
    border: 1px solid var(--line);
    border-top: 0;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .mobile-cv-message p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.92rem;
    line-height: 1.65;
  }

  .cv-preview > .cv-fallback {
    display: none;
  }

  .site-footer {
    padding: 58px 16px 38px;
  }

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

  .footer-contacts {
    font-size: clamp(1rem, 5.4vw, 1.35rem);
  }

  .footer-contacts a {
    overflow-wrap: anywhere;
    min-height: 44px;
  }

  .footer-meta {
    text-align: left;
  }
}

@media (max-width: 380px) {
  .page-wrap {
    width: min(calc(100% - 24px), var(--page-width));
  }

  .header-inner {
    padding-inline: 12px;
  }

  .hero-copy h1 {
    font-size: 3.05rem;
  }

  .section-heading,
  .upcoming-talks-heading {
    grid-template-columns: 32px 1fr;
    gap: 8px;
  }

  .research-content h2 {
    font-size: 1.7rem;
  }

  .cv-preview {
    width: min(calc(100% - 24px), var(--page-width));
  }

  .site-footer {
    padding-inline: 12px;
  }
}

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

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