:root {
  --paper: #f7f4ed;
  --paper-deep: #eee8dd;
  --ink: #20262e;
  --muted: #66707b;
  --navy: #18324f;
  --navy-soft: #2d5277;
  --terracotta: #a64f37;
  --line: #d8d0c4;
  --white: #fffdf8;
  --shadow: 0 24px 60px rgba(24, 50, 79, 0.12);
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --content: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--navy-soft);
  text-decoration-color: rgba(45, 82, 119, 0.45);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--terracotta);
  text-decoration-color: currentColor;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(166, 79, 55, 0.38);
  outline-offset: 4px;
  border-radius: 2px;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 0.55rem 0.9rem;
  color: var(--white);
  background: var(--navy);
  transform: translateY(-150%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(216, 208, 196, 0.82);
  background: rgba(247, 244, 237, 0.96);
  backdrop-filter: blur(12px);
}

.header-inner {
  width: min(var(--content), calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.site-brand {
  display: inline-flex;
  flex-direction: column;
  color: var(--navy);
  text-decoration: none;
  line-height: 1.15;
}

.site-brand strong {
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.site-brand span {
  margin-top: 0.24rem;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  color: var(--navy);
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 20px;
  height: 1.5px;
  margin: 5px auto;
  background: currentColor;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  position: relative;
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 650;
  letter-spacing: 0.015em;
  text-decoration: none;
}

.nav-list a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.38rem;
  left: 0;
  height: 2px;
  background: var(--terracotta);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.nav-list a:hover::after,
.nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
}

main {
  min-height: calc(100vh - 168px);
}

.shell {
  width: min(var(--content), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4.5rem, 10vw, 8.5rem) 0 clamp(4rem, 8vw, 7rem);
}

.hero::after {
  content: "";
  position: absolute;
  top: 10%;
  right: -8%;
  width: clamp(260px, 40vw, 560px);
  aspect-ratio: 1;
  border: 1px solid rgba(166, 79, 55, 0.16);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(166, 79, 55, 0.035), 0 0 0 140px rgba(24, 50, 79, 0.025);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(220px, 0.72fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 7.5rem);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--terracotta);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--navy);
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.16;
  text-wrap: balance;
}

h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(3.15rem, 8vw, 6.35rem);
  letter-spacing: -0.045em;
}

.hero-role {
  max-width: 740px;
  margin: 1.25rem 0 0;
  color: var(--navy-soft);
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  line-height: 1.35;
}

.hero-intro {
  max-width: 760px;
  margin: 1.65rem 0 0;
  font-size: 1.08rem;
}

.hero-status {
  width: fit-content;
  margin: 1.25rem 0 0;
  padding: 0.55rem 0.78rem;
  border-left: 2px solid var(--terracotta);
  color: var(--muted);
  background: rgba(255, 253, 248, 0.52);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.015em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.68rem 1.05rem;
  border: 1px solid var(--navy);
  font-size: 0.84rem;
  font-weight: 750;
  letter-spacing: 0.02em;
  text-decoration: none;
}

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

.button:hover {
  border-color: var(--terracotta);
  color: var(--white);
  background: var(--terracotta);
}

.text-link {
  color: var(--navy);
  background: transparent;
}

.text-link:hover {
  border-color: var(--terracotta);
  color: var(--terracotta);
}

.portrait-wrap {
  position: relative;
  justify-self: end;
  width: min(100%, 300px);
}


.portrait {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: var(--shadow);
  border: 2px solid var(--terracotta); 
}

.profile-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.45);
}

.proof-band {
  border-top: 1px solid var(--line);
  background: var(--navy);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.proof-grid div {
  min-height: 132px;
  padding: 1.7rem 1.4rem;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--white);
}

.proof-grid div:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.proof-grid strong,
.proof-grid span {
  display: block;
}

.proof-grid strong {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.2vw, 2.45rem);
  font-weight: 600;
  line-height: 1.1;
}

.proof-grid span {
  margin-top: 0.55rem;
  color: rgba(255, 253, 248, 0.72);
  font-size: 0.76rem;
  line-height: 1.45;
}

.profile-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(2.5rem, 8vw, 7rem);
  padding: 3.2rem 0;
}

.profile-grid h2,
.section-heading {
  margin: 0;
  font-size: clamp(2rem, 4.3vw, 3.2rem);
  letter-spacing: -0.025em;
}

.profile-copy p:first-child {
  margin-top: 0;
}

.profile-copy p:last-child {
  margin-bottom: 0;
}

.spotlight {
  color: var(--white);
  background: var(--terracotta);
}

.spotlight-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(2.5rem, 8vw, 7rem);
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}

.spotlight .eyebrow {
  color: rgba(255, 253, 248, 0.78);
}

.spotlight h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(2rem, 4.3vw, 3.35rem);
  letter-spacing: -0.025em;
}

.spotlight-grid > div:last-child > p {
  max-width: 680px;
  margin: 0;
  font-size: 1.08rem;
}

.button-light {
  border-color: var(--white);
  color: var(--terracotta);
  background: var(--white);
}

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

.text-link-light {
  border-color: rgba(255, 255, 255, 0.72);
  color: var(--white);
}

.text-link-light:hover {
  border-color: var(--white);
  color: var(--white);
}

.featured,
.page-content {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.section-intro {
  max-width: 780px;
  margin: 1.2rem 0 0;
  color: #404954;
  font-size: 1.06rem;
}

.feature-list,
.paper-list,
.timeline,
.talk-list {
  margin-top: 2.4rem;
  border-top: 1px solid var(--line);
}

.feature-item,
.paper,
.timeline-item,
.talk-item {
  display: grid;
  grid-template-columns: minmax(150px, 0.38fr) minmax(0, 1.62fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  padding: 1.9rem 0;
  border-bottom: 1px solid var(--line);
}

.kicker,
.paper-status,
.timeline-date,
.talk-date {
  color: var(--terracotta);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.09em;
  line-height: 1.5;
  text-transform: uppercase;
}

.feature-item h3,
.paper h3,
.timeline-item h3,
.talk-item h3 {
  margin: 0;
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
}

.feature-item h3 a,
.paper h3 a {
  color: inherit;
  text-decoration: none;
}

.feature-item h3 a:hover,
.paper h3 a:hover {
  color: var(--terracotta);
}

.feature-item p,
.paper p,
.timeline-item p,
.talk-item p {
  margin: 0.55rem 0 0;
  color: #424b55;
}

.page-hero {
  padding: clamp(4rem, 9vw, 7rem) 0 3.25rem;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  font-size: clamp(3rem, 7.5vw, 5.5rem);
}

.page-hero .section-intro {
  margin-top: 1.45rem;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(170px, 0.38fr) minmax(0, 1.62fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: start;
}

.section-nav {
  position: sticky;
  top: 110px;
}

.section-nav p {
  margin: 0 0 0.8rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.section-nav li + li {
  margin-top: 0.55rem;
}

.section-nav a {
  color: var(--ink);
  font-size: 0.84rem;
  text-decoration: none;
}

.section-nav a:hover {
  color: var(--terracotta);
}

.content-section + .content-section {
  margin-top: 4.5rem;
}

.content-section h2 {
  margin: 0 0 1.2rem;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.025em;
}

.content-section > p:first-of-type {
  margin-top: 0;
}

.editorial-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.6rem, 5vw, 3.2rem);
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.editorial-card::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -110px;
  width: 280px;
  height: 280px;
  border: 48px solid rgba(166, 79, 55, 0.055);
  border-radius: 50%;
  pointer-events: none;
}

.editorial-card > * {
  position: relative;
  z-index: 1;
}

.editorial-card h2 {
  max-width: 680px;
}

.editorial-card h3 {
  max-width: 760px;
  margin: 2rem 0 0;
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
}

.editorial-card h3 a {
  color: var(--navy);
  text-decoration: none;
}

.editorial-card h3 a:hover {
  color: var(--terracotta);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1.5rem;
  border: 1px solid var(--line);
  background: var(--line);
}

.metric-grid div {
  min-height: 138px;
  padding: 1.35rem;
  background: var(--white);
}

.metric-grid strong,
.metric-grid span {
  display: block;
}

.metric-grid strong {
  color: var(--navy);
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: 600;
  line-height: 1.1;
}

.metric-grid span {
  max-width: 220px;
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.metric-grid-compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 2rem;
}

.paper {
  grid-template-columns: minmax(120px, 0.32fr) minmax(0, 1.68fr);
}

.paper-meta {
  color: #4d5661;
  font-size: 0.93rem;
}

.paper-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 0.9rem;
}

.paper-actions a,
details summary {
  color: var(--navy-soft);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

details {
  margin-top: 0.85rem;
}

details summary {
  width: fit-content;
  cursor: pointer;
}

details[open] summary {
  color: var(--terracotta);
}

.compact-list {
  display: grid;
  gap: 0;
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.compact-list li {
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
}

.compact-list strong {
  display: block;
  color: var(--navy);
  font-family: var(--serif);
  font-size: 1.15rem;
}

.compact-list span {
  display: block;
  margin-top: 0.18rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.callout {
  margin-top: 2.5rem;
  padding: 1.4rem 1.5rem;
  border-left: 3px solid var(--terracotta);
  background: var(--paper-deep);
}

.callout p {
  margin: 0;
}

.contact-card {
  max-width: 780px;
  padding: clamp(1.8rem, 5vw, 3.4rem);
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.contact-card h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
}

.contact-details {
  display: grid;
  gap: 0.85rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.contact-details span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.contact-details a,
.contact-details strong {
  color: var(--navy);
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
}

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

.footer-inner {
  width: min(var(--content), calc(100% - 40px));
  margin: 0 auto;
  padding: 1.7rem 0 2.2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem 2rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a {
  color: var(--navy);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    padding: 0 20px 1rem;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
  }

  .site-nav[data-open="true"] {
    display: block;
  }

  .nav-list {
    width: min(var(--content), 100%);
    margin: 0 auto;
    padding: 0.8rem 0;
    display: grid;
    gap: 0;
  }

  .nav-list a {
    display: block;
    padding: 0.7rem 0;
  }

  .nav-list a::after {
    bottom: 0.45rem;
    width: 28px;
  }

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

  .portrait-wrap {
    justify-self: start;
    width: min(100%, 250px);
    order: -1;
  }

  .profile-grid,
  .content-grid,
  .spotlight-grid {
    grid-template-columns: 1fr;
  }

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

  .proof-grid div:nth-child(3) {
    border-left: 1px solid rgba(255, 255, 255, 0.16);
  }

  .proof-grid div:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .metric-grid-compact {
    grid-template-columns: 1fr;
  }

  .section-nav {
    position: static;
  }

  .section-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
  }

  .section-nav li + li {
    margin-top: 0;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 16px;
  }

  .header-inner,
  .shell,
  .footer-inner {
    width: min(100% - 28px, var(--content));
  }

  .site-brand span {
    display: none;
  }

  .feature-item,
  .paper,
  .timeline-item,
  .talk-item {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .proof-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .proof-grid div,
  .proof-grid div:first-child,
  .proof-grid div:nth-child(3) {
    min-height: auto;
    border-right: 1px solid rgba(255, 255, 255, 0.16);
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    border-left: 1px solid rgba(255, 255, 255, 0.16);
  }

  .footer-inner {
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .section-nav,
  .actions {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }

  .shell {
    width: 100%;
  }
}