:root {
  --color-carbon-ink: #1a211e;
  --color-paper-white: #ffffff;
  --color-true-black: #000000;
  --color-obsidian: #0c0c0c;
  --color-fog: #eef1f0;
  --color-mist: #e0e0e0;
  --color-graphite: #606562;
  --color-ash-border: #cccfcd;
  --color-slate: #363537;
  --color-pewter: #4e4e4e;
  --color-ember-red: #cc2e39;
  --font-geist: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-display: Georgia, Cambria, "Times New Roman", serif;
  --font-label: "Arial Narrow", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --page-max-width: 1440px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-full: 9999px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-paper-white);
  color: var(--color-carbon-ink);
  font-family: var(--font-geist);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:hover {
  opacity: 0.68;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(204, 46, 57, 0.38);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  border-radius: var(--radius-md);
  background: var(--color-paper-white);
  color: var(--color-true-black);
  padding: 10px 16px;
  font-weight: 700;
}

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

.announcement {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 7px 20px;
  background: var(--color-carbon-ink);
  color: var(--color-paper-white);
  font-family: var(--font-label);
  font-size: 0.75rem;
  font-stretch: condensed;
  font-weight: 700;
  letter-spacing: 0.057em;
  line-height: 1.1;
  text-align: center;
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 64px;
  border-bottom: 1px solid var(--color-mist);
  background: rgba(255, 255, 255, 0.96);
  padding-inline: max(24px, calc((100vw - var(--page-max-width)) / 2 + 24px));
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-carbon-ink);
  font-family: var(--font-label);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.057em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-true-black);
  color: var(--color-paper-white);
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.025em;
}

.primary-nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 3vw, 40px);
}

.primary-nav a,
.header-link,
.language-link,
.button {
  font-family: var(--font-label);
  font-size: 0.875rem;
  font-stretch: condensed;
  font-weight: 700;
  letter-spacing: 0.057em;
  line-height: 1.1;
  text-decoration: none;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.language-link {
  border: 1px solid var(--color-ash-border);
  border-radius: var(--radius-md);
  padding: 9px 10px;
}

.page-shell {
  width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: min(760px, calc(100vh - 96px));
  background: var(--color-obsidian);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(48px, 8vw, 120px) max(32px, calc((100vw - var(--page-max-width)) / 2 + 24px));
  padding-right: clamp(40px, 7vw, 100px);
  color: var(--color-paper-white);
}

.eyebrow,
.section-label,
.role-band span,
.card-kicker,
.source-type {
  font-family: var(--font-label);
  font-size: 0.875rem;
  font-stretch: condensed;
  font-weight: 700;
  letter-spacing: 0.057em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
}

.eyebrow::before {
  width: 28px;
  height: 3px;
  background: var(--color-ember-red);
  content: "";
}

h1,
h2 {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.08;
}

h1 {
  max-width: 660px;
  font-size: clamp(4.4rem, 7.6vw, 8rem);
}

h2 {
  max-width: 940px;
  font-size: clamp(3rem, 5.5vw, 5rem);
}

h3 {
  margin: 0;
  font-family: var(--font-label);
  font-stretch: condensed;
  font-weight: 700;
  letter-spacing: 0.038em;
  line-height: 1.2;
  text-transform: uppercase;
}

.hero-lead {
  max-width: 620px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.05rem;
  line-height: 1.55;
}

.hero-lead strong {
  color: var(--color-paper-white);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius-md);
  padding: 12px 20px;
}

.button-primary {
  border: 1px solid var(--color-paper-white);
  background: var(--color-paper-white);
  color: var(--color-carbon-ink);
}

.button-secondary {
  border: 1px solid var(--color-paper-white);
  background: transparent;
  color: var(--color-paper-white);
}

.portrait {
  position: relative;
  min-height: 620px;
  margin: 0;
  overflow: hidden;
  background: var(--color-paper-white);
}

.portrait img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 16%;
}

.role-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(100%, var(--page-max-width));
  margin-inline: auto;
  padding-inline: 24px;
}

.role-band article {
  min-height: 132px;
  border-bottom: 1px solid var(--color-mist);
  padding: 30px 24px;
}

.role-band article + article {
  border-left: 1px solid var(--color-mist);
}

.role-band span {
  display: block;
  margin-bottom: 12px;
  color: var(--color-graphite);
}

.role-band p {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
}

.section {
  width: 100%;
  padding: clamp(78px, 9vw, 132px) 24px;
}

.section-inner {
  display: grid;
  grid-template-columns: minmax(150px, 0.3fr) minmax(0, 1fr);
  gap: clamp(42px, 8vw, 132px);
  width: min(100%, calc(var(--page-max-width) - 48px));
  margin-inline: auto;
}

.section-light {
  background: var(--color-paper-white);
}

.section-soft {
  background: var(--color-fog);
}

.section-dark {
  background: var(--color-obsidian);
  color: var(--color-paper-white);
}

.section-label {
  margin: 11px 0 0;
  color: var(--color-graphite);
}

.section-dark .section-label {
  color: rgba(255, 255, 255, 0.58);
}

.section-copy > p {
  max-width: 780px;
  margin: 28px 0 0;
  color: var(--color-graphite);
  font-size: 1rem;
  line-height: 1.6;
}

.section-dark .section-copy > p {
  color: rgba(255, 255, 255, 0.68);
}

.topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.topic-list li {
  border: 1px solid var(--color-ash-border);
  border-radius: var(--radius-full);
  padding: 9px 16px;
  font-family: var(--font-label);
  font-size: 0.8rem;
  font-stretch: condensed;
  font-weight: 700;
  letter-spacing: 0.038em;
  text-transform: uppercase;
}

.topic-list li:first-child {
  border-color: var(--color-carbon-ink);
  background: var(--color-carbon-ink);
  color: var(--color-paper-white);
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 36px;
  margin-top: 56px;
}

.card {
  min-height: 210px;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  padding: 28px 0 40px;
}

.card-kicker {
  margin: 0 0 24px;
  color: rgba(255, 255, 255, 0.56);
}

.card h3 {
  max-width: 520px;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
}

.card a {
  text-decoration: none;
}

.card p:last-child {
  max-width: 460px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.publication-list,
.profile-list {
  margin: 52px 0 0;
  padding: 0;
  list-style: none;
}

.publication-list li,
.profile-list li {
  border-top: 1px solid var(--color-ash-border);
}

.publication-list a,
.profile-list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  min-height: 82px;
  padding: 20px 0;
  text-decoration: none;
}

.publication-title,
.profile-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.45;
}

.publication-meta,
.profile-meta {
  color: var(--color-graphite);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.35;
  text-align: right;
  white-space: nowrap;
}

.arrow {
  margin-left: 8px;
}

.identity-note {
  margin-top: 36px !important;
  border-left: 3px solid var(--color-ember-red);
  padding: 4px 0 4px 20px;
  color: var(--color-slate) !important;
}

.source-heading {
  margin-top: 72px;
  border-top: 1px solid var(--color-carbon-ink);
  padding-top: 24px;
  font-size: 1.5rem;
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
  margin-top: 28px;
}

.source-card {
  display: flex;
  min-height: 142px;
  flex-direction: column;
  justify-content: space-between;
  border-top: 1px solid var(--color-ash-border);
  padding: 20px 0 24px;
  text-decoration: none;
}

.source-type {
  color: var(--color-graphite);
  font-size: 0.75rem;
}

.source-title {
  max-width: 520px;
  margin-top: 18px;
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.45;
}

.contact-section {
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px 28px;
  margin-top: 36px;
}

.contact-email {
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-decoration-color: rgba(255, 255, 255, 0.38);
  text-underline-offset: 5px;
}

.contact-email:hover,
.contact-email:focus-visible {
  color: var(--color-paper-white);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  background: var(--color-true-black);
  color: rgba(255, 255, 255, 0.68);
  padding: 44px max(24px, calc((100vw - var(--page-max-width)) / 2 + 24px));
  font-size: 0.875rem;
}

.site-footer p {
  margin: 0;
}

.footer-name {
  color: var(--color-paper-white);
  font-family: var(--font-label);
  font-weight: 700;
  letter-spacing: 0.057em;
  text-transform: uppercase;
}

@media (max-width: 1040px) {
  .primary-nav {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .hero {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }

  .hero-copy {
    padding: 64px 40px;
  }

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

  .role-band article:nth-child(3) {
    border-left: 0;
  }
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    min-height: 560px;
    padding: 64px 24px;
  }

  .portrait {
    min-height: 570px;
  }

  .section-inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .section-label {
    margin-top: 0;
  }

  .cards,
  .source-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .announcement {
    font-size: 0.7rem;
  }

  .site-header {
    min-height: 58px;
    padding-inline: 12px;
  }

  .brand-text,
  .header-link {
    display: none;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  h1 {
    font-size: clamp(4rem, 21vw, 6rem);
  }

  h2 {
    font-size: clamp(2.8rem, 15vw, 4.2rem);
  }

  .hero-copy {
    min-height: 520px;
  }

  .portrait {
    min-height: 510px;
  }

  .role-band {
    grid-template-columns: 1fr;
    padding-inline: 12px;
  }

  .role-band article + article,
  .role-band article:nth-child(3) {
    border-left: 0;
  }

  .role-band article {
    min-height: 0;
    padding: 22px 12px;
  }

  .section {
    padding-inline: 20px;
  }

  .section-inner {
    width: 100%;
  }

  .publication-list a,
  .profile-list a {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .publication-meta,
  .profile-meta {
    text-align: left;
    white-space: normal;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-inline: 20px;
  }
}

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