:root {
  --paper: #f4f1e8;
  --paper-deep: #e9e4d8;
  --ink: #122d36;
  --ink-soft: #4d6267;
  --dark: #0e2932;
  --dark-soft: #173b46;
  --line: #c9c5ba;
  --acid: #c4f05a;
  --white: #fffdf8;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  --sans: Inter, "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --shell: min(1180px, calc(100% - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible {
  outline: 3px solid var(--acid);
  outline-offset: 4px;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  transform: translateY(-160%);
  background: var(--acid);
  color: var(--dark);
  font-weight: 700;
}

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

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(18, 45, 54, 0.16);
  background: rgba(244, 241, 232, 0.92);
  backdrop-filter: blur(14px);
}

.nav-wrap {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 76px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: max-content;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.wordmark-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--acid);
  font-family: var(--serif);
  font-size: 12px;
}

.site-nav {
  display: flex;
  gap: 30px;
  color: var(--ink-soft);
  font-size: 13px;
}

.site-nav a,
.nav-cv,
.publication-links a,
.project-link,
.site-footer a {
  transition: color 180ms ease;
}

.site-nav a:hover,
.nav-cv:hover,
.publication-links a:hover,
.site-footer a:hover {
  color: #5c7719;
}

.nav-cv {
  justify-self: end;
  font-size: 13px;
  font-weight: 700;
}

.hero {
  padding: 90px 0 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.72fr);
  gap: clamp(50px, 8vw, 115px);
  align-items: center;
}

.eyebrow,
.section-index {
  margin: 0 0 24px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-soft);
}

.eyebrow span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 4px rgba(196, 240, 90, 0.2);
}

.hero h1,
.section-heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.hero h1 {
  max-width: 680px;
  font-size: clamp(48px, 5.6vw, 82px);
}

.hero h1 em {
  color: #5c7719;
  font-weight: 500;
}

.hero-intro {
  max-width: 660px;
  margin: 34px 0 0;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.7;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 23px;
  border: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 700;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

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

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

.button-primary:hover {
  background: var(--dark-soft);
}

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

.hero-visual {
  width: 100%;
}

.hero-visual svg {
  box-shadow: 0 28px 60px rgba(14, 41, 50, 0.16);
}

.visual-caption {
  display: flex;
  gap: 20px;
  margin: 16px 0 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.visual-caption span {
  color: #5c7719;
}

.section {
  padding: 130px 0;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(60px, 10vw, 150px);
}

.section-index {
  color: #657d2b;
}

.section-heading h2 {
  max-width: 560px;
  font-size: clamp(43px, 5vw, 68px);
}

.lead {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(25px, 2.8vw, 37px);
  letter-spacing: -0.025em;
  line-height: 1.28;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 65px;
}

.focus-grid article {
  padding-top: 18px;
  border-top: 2px solid var(--ink);
}

.focus-number {
  display: block;
  margin-bottom: 42px;
  color: #657d2b;
  font-family: var(--mono);
  font-size: 10px;
}

.focus-grid h3,
.timeline h3,
.skills-block h3 {
  margin: 0;
  font-size: 15px;
}

.focus-grid p {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
}

.publications-section {
  background: var(--white);
}

.split-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 65px;
}

.split-heading > p {
  max-width: 390px;
  margin: 0 0 5px;
  color: var(--ink-soft);
  font-size: 14px;
}

.publication-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.publication {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 38px;
  padding: 38px 0 42px;
  border-bottom: 1px solid var(--line);
}

.publication-year {
  padding-top: 2px;
  color: #657d2b;
  font-family: var(--mono);
  font-size: 13px;
}

.publication-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 13px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.publication-meta span:first-child {
  color: #5c7719;
}

.publication-meta span + span::before {
  margin-right: 18px;
  content: "·";
}

.publication h3 {
  max-width: 940px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(23px, 2.6vw, 34px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.24;
}

.authors {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.authors strong {
  color: var(--ink);
}

.publication-links {
  display: flex;
  gap: 24px;
  margin-top: 22px;
}

.publication-links a,
.project-link {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

.light-heading .section-index,
.software-section .section-index {
  color: var(--acid);
}

.light-heading > p {
  color: rgba(255, 253, 248, 0.65);
}

.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.project-card {
  display: flex;
  min-height: 510px;
  flex-direction: column;
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: var(--dark-soft);
}

.project-card-accent {
  background: #1f473d;
}

.project-topline {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255, 253, 248, 0.66);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.project-card h3 {
  margin: 68px 0 18px;
  font-family: var(--serif);
  font-size: clamp(52px, 6vw, 78px);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
}

.project-card > p {
  max-width: 520px;
  margin: 0;
  color: rgba(255, 253, 248, 0.76);
  font-size: 14px;
}

.project-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 30px 0 45px;
  padding: 0;
  list-style: none;
}

.project-card li {
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 253, 248, 0.72);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.project-link {
  width: max-content;
  margin-top: auto;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--acid);
  color: var(--acid);
}

.project-link:hover {
  color: var(--white);
}

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

.timeline article {
  display: grid;
  grid-template-columns: 145px 1fr;
  gap: 25px;
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--line);
}

.timeline-year {
  color: #657d2b;
  font-family: var(--mono);
  font-size: 11px;
}

.timeline p {
  margin: 6px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.timeline span {
  color: var(--ink-soft);
  font-size: 12px;
}

.skills-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 50px;
  margin-top: 55px;
}

.skills-block h3 {
  margin-bottom: 10px;
  color: #657d2b;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.skills-block p {
  margin: 0;
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.45;
}

.site-footer {
  padding: 48px 0;
  background: var(--dark);
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr auto;
  align-items: end;
  gap: 30px;
}

.site-footer strong {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
}

.site-footer p {
  margin: 5px 0 0;
  color: rgba(255, 253, 248, 0.57);
  font-size: 11px;
}

.footer-location span {
  color: var(--acid);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.site-footer a {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

@media (max-width: 950px) {
  .nav-wrap {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

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

  .hero-copy {
    max-width: 800px;
  }

  .hero-visual {
    max-width: 600px;
  }

  .section-grid {
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .section-heading h2 {
    max-width: 740px;
  }

}

@media (max-width: 720px) {
  :root {
    --shell: min(100% - 28px, 1180px);
  }

  .nav-wrap {
    min-height: 66px;
  }

  .wordmark > span:last-child {
    display: none;
  }

  .hero {
    padding-top: 65px;
  }

  .hero h1 {
    font-size: clamp(44px, 12vw, 62px);
  }

  .hero-intro {
    margin-top: 26px;
  }

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

  .hero-actions .button {
    width: 100%;
  }

  .section {
    padding: 90px 0;
  }

  .focus-grid,
  .project-grid,
  .skills-block {
    grid-template-columns: 1fr;
  }

  .focus-grid {
    gap: 32px;
    margin-top: 45px;
  }

  .focus-number {
    margin-bottom: 24px;
  }

  .split-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 45px;
  }

  .publication {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .publication-meta span + span::before {
    display: none;
  }

  .project-card {
    min-height: 490px;
  }

  .timeline article {
    grid-template-columns: 1fr;
    gap: 9px;
  }

  .skills-block {
    gap: 30px;
  }

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

  .footer-location {
    margin: 10px 0;
  }
}

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

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

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

  body {
    background: white;
  }

  .section,
  .hero {
    padding: 30px 0;
  }
}