:root {
  color-scheme: light;
  --white: #fff;
  --navy: #14253d;
  --navy-soft: #263c58;
  --text: #283444;
  --muted: #536174;
  --line: #dfe4eb;
  --accent: #276f7b;
  --accent-soft: #eef5f6;
  --accent-line: #ccdee1;
  --on-navy: #fff;
  --nav-text: #48566a;
  --subtle: #526176;
  --label: #45556a;
  --tag-background: #eef2f5;
  --tag-border: #d9e0e7;
  --tag-text: #526176;
  --timeline-secondary: #637187;
  --footer-text: #536176;
  --footer-link: #53647a;
  --header-background: rgba(255, 255, 255, .88);
  --card-shadow: 0 8px 24px rgba(20, 37, 61, .08);
  --section-gap: clamp(4rem, 10vw, 8rem);
  --header-height: 74px;
  --sans: "Segoe UI", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --white: #111b29;
    --navy: #eaf0f6;
    --navy-soft: #dce7f1;
    --text: #e0e7ef;
    --muted: #b7c2d0;
    --line: #334254;
    --accent: #8acbd4;
    --accent-soft: #192c38;
    --accent-line: #355361;
    --on-navy: #101a28;
    --nav-text: #c4ceda;
    --subtle: #c0cad6;
    --label: #c8d2de;
    --tag-background: #1c2a39;
    --tag-border: #3c4c5e;
    --tag-text: #c5d0dc;
    --timeline-secondary: #c4ceda;
    --footer-text: #b7c2d0;
    --footer-link: #c5d0dc;
    --header-background: rgba(17, 27, 41, .9);
    --card-shadow: 0 8px 24px rgba(0, 0, 0, .24);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: var(--header-height);
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  background: var(--navy);
  color: var(--on-navy);
  padding: 9px 14px;
}

.skip-link:focus {
  top: 12px;
  left: 12px;
  width: auto;
  height: auto;
  clip-path: none;
}

.hero,
.content-section,
.contact-inner,
.footer-inner {
  width: min(1100px, calc(100% - 64px));
  margin-inline: auto;
}

.site-header {
  width: 100%;
  padding-inline: max(32px, calc((100% - 1100px) / 2));
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: var(--header-background);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

main section[id] {
  scroll-margin-top: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: -.01em;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--accent-line);
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  letter-spacing: -.04em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 27px;
  color: var(--nav-text);
  font-size: 13px;
  font-weight: 550;
}

.site-nav a:hover,
.text-link:hover,
.contact-links a:hover strong,
.footer-inner a:hover {
  color: var(--accent);
}

.site-nav a[aria-current="location"] {
  color: var(--accent);
}

.nav-contact {
  border: 1px solid var(--accent-line);
  border-radius: 4px;
  padding: 7px 13px;
  color: var(--accent);
}

.menu-toggle {
  display: none;
}

.hero {
  display: grid;
  min-height: 475px;
  grid-template-columns: 1fr 270px;
  align-items: center;
  gap: 80px;
  padding-block: 82px 91px;
}

.hero-main {
  max-width: 700px;
}

.eyebrow,
.section-number,
.aside-heading,
.project-type,
.entry-type {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .095em;
  line-height: 1.5;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--accent);
}

.hero h1 {
  max-width: 700px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(2.625rem, 5.3vw, 4rem);
  font-weight: 620;
  letter-spacing: -.055em;
  line-height: 1.09;
}

.hero h1 span {
  color: var(--accent);
}

.hero-summary {
  max-width: 65ch;
  margin: 22px 0 25px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
}

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--navy);
  border-radius: 4px;
  padding: 0 15px;
  font-size: 13px;
  font-weight: 600;
}

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

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

.text-link {
  color: var(--navy);
  font-size: 13px;
  font-weight: 650;
}

.hero-aside {
  align-self: center;
  border: 1px solid var(--accent-line);
  border-left: 3px solid var(--accent);
  border-radius: 3px;
  background: var(--accent-soft);
  padding: 17px 18px;
}

.aside-heading {
  margin: 0 0 12px;
}

.hero-aside dl {
  margin: 0;
}

.hero-aside dl div {
  display: grid;
  grid-template-columns: 31px 1fr;
  gap: 9px;
  border-top: 1px solid var(--line);
  padding-block: 10px;
}

.hero-aside dt {
  color: var(--subtle);
  font-size: 11px;
}

.hero-aside dd {
  margin: 0;
  color: var(--navy);
  font-size: 13px;
  font-weight: 600;
}

.aside-location {
  margin: 17px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.content-section {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 52px;
  border-top: 1px solid var(--line);
  padding-block: var(--section-gap);
}

.section-label {
  display: flex;
  align-items: baseline;
  gap: 13px;
}

.section-number {
  color: var(--accent);
  font-size: 12px;
  white-space: nowrap;
}

.section-label h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  font-weight: 650;
  letter-spacing: -.02em;
}

.section-content {
  min-width: 0;
}

.about-copy {
  max-width: 685px;
}

.about-copy p {
  max-width: 65ch;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.about-copy .lead {
  margin-bottom: 13px;
  color: var(--navy);
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  font-weight: 550;
  letter-spacing: -.025em;
  line-height: 1.65;
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.skill-group {
  min-height: 114px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px 18px;
}

.skill-group h3 {
  margin: 0 0 7px;
  color: var(--accent);
  font-size: clamp(.75rem, 1vw, .8125rem);
  font-weight: 650;
}

.skill-group p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.project-list {
  display: grid;
  gap: 14px;
}

.project-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 22px 24px 18px;
}

.project-card.project-card--linked {
  padding-bottom: 42px;
}

.project-card:has(.project-link):hover {
  border-color: var(--accent-line);
}

.project-card p {
  max-width: 65ch;
}

.project-heading {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 13px;
}

.project-type {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: .075em;
}

.project-heading h3 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  font-weight: 650;
  letter-spacing: -.025em;
  line-height: 1.4;
}

.project-index {
  padding-top: 2px;
  color: var(--accent);
  font-size: 11px;
}

.project-purpose,
.project-contribution,
.project-result {
  display: grid;
  grid-template-columns: 105px minmax(0, 1fr);
  gap: 14px;
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.project-purpose strong,
.project-contribution strong,
.project-result strong {
  color: var(--label);
  font-size: 12px;
  font-weight: 650;
}

.project-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  margin-top: 15px;
  border-top: 1px solid var(--line);
  padding-top: 13px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  border: 1px solid var(--tag-border);
  border-radius: 999px;
  background: var(--tag-background);
  padding: .25rem .6rem;
  color: var(--tag-text);
  font-size: 12px;
  line-height: 1.4;
}

.project-link {
  position: static;
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
}

.project-link--card {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: block;
  width: auto;
  margin: 0;
  font-size: 0;
}

.project-link-label {
  position: absolute;
  bottom: 18px;
  left: 24px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--accent);
  font-size: 12px;
  line-height: 1.4;
  pointer-events: none;
}

.project-link::after {
  position: absolute;
  inset: 0;
  content: "";
}

.project-link:hover,
.additional-projects a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.button-secondary:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.additional-projects {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 26px;
  margin-top: 27px;
  border-top: 1px solid var(--line);
}

.additional-projects h3 {
  grid-column: 1 / -1;
  margin: 14px 0 3px;
  color: var(--navy);
  font-size: clamp(.75rem, 1vw, .8125rem);
  font-weight: 650;
}

.additional-projects a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-block: 10px;
  color: var(--subtle);
  font-size: 13px;
}

.additional-projects a span {
  color: var(--accent);
}

.arrow-icon {
  position: relative;
  display: inline-block;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  color: var(--accent);
}

.arrow-icon--external::before {
  position: absolute;
  top: 8px;
  left: 1px;
  width: 12px;
  border-top: 2px solid currentColor;
  content: "";
}

.arrow-icon--external::after {
  position: absolute;
  top: 5px;
  right: 3px;
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  content: "";
  transform: rotate(-45deg);
}

.arrow-icon--download::before {
  position: absolute;
  top: 0;
  left: 8px;
  height: 11px;
  border-left: 2px solid currentColor;
  content: "";
}

.arrow-icon--download::after {
  position: absolute;
  bottom: 0;
  left: 5px;
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  content: "";
  transform: rotate(45deg);
}

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

.timeline-entry {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 25px;
  border-bottom: 1px solid var(--line);
  padding-block: 20px;
}

.timeline-date {
  margin: 2px 0 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 550;
}

.entry-type {
  margin: 0 0 5px;
  font-size: 11px;
}

.timeline-detail h3 {
  margin: 0 0 8px;
  color: var(--navy);
  font-size: clamp(.875rem, 1.5vw, .9375rem);
  font-weight: 650;
}

.timeline-detail h3 span {
  color: var(--timeline-secondary);
  font-weight: 500;
}

.timeline-detail ul {
  display: grid;
  gap: 4px;
  margin: 0;
  padding-left: 17px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.timeline-detail > p:not(.entry-type) {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.timeline-detail > p.entry-location {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.contact {
  border-top: 2px solid var(--accent-line);
  background: var(--accent-soft);
  scroll-margin-top: var(--header-height);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding-block: var(--section-gap);
}

.contact-inner .section-number {
  margin: 0 0 10px;
}

.contact-inner h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.55rem, 3vw, 1.75rem);
  font-weight: 650;
  letter-spacing: -.04em;
}

.contact-copy {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.contact-links a {
  display: grid;
  grid-template-columns: 62px 1fr 15px;
  align-items: center;
  gap: 11px;
  border-bottom: 1px solid var(--line);
  padding-block: 11px;
  font-size: 13px;
}

.contact-links a:first-child {
  border-top: 1px solid var(--line);
}

.contact-links a > span:first-child {
  color: var(--muted);
}

.contact-links strong {
  color: var(--navy);
  font-weight: 600;
}

.contact-arrow {
  color: var(--accent);
  text-align: right;
}

.site-footer {
  background: var(--white);
}

.footer-inner {
  display: flex;
  min-height: 59px;
  align-items: center;
  gap: 22px;
  color: var(--footer-text);
  font-size: 12px;
}

.footer-inner span:first-child {
  flex: 1;
}

.footer-inner span:nth-child(2) {
  color: var(--footer-text);
  font-weight: 400;
}

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

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }

  .skip-link {
    transform: translateY(-160%);
  }

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

  .project-card:has(.project-link) {
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
  }

  .project-card:has(.project-link):hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow);
  }
}

@media (max-width: 800px) {
  .hero,
  .content-section,
  .contact-inner,
  .footer-inner {
    width: calc(100% - 48px);
  }

  .site-header {
    padding-inline: 24px;
  }

  .site-nav {
    gap: 16px;
    font-size: 12px;
  }

  .hero {
    grid-template-columns: 1fr 220px;
    gap: 35px;
  }

  .content-section {
    grid-template-columns: 175px minmax(0, 1fr);
    gap: 25px;
  }

  .project-purpose,
  .project-contribution,
  .project-result {
    grid-template-columns: 95px minmax(0, 1fr);
    gap: 10px;
  }
}

@media (max-width: 620px) {
  :root {
    --header-height: 66px;
  }

  .hero,
  .content-section,
  .contact-inner,
  .footer-inner {
    width: calc(100% - 40px);
  }

  .site-header {
    min-height: 66px;
    padding-inline: 20px;
  }

  .menu-toggle {
    display: grid;
    width: 44px;
    height: 44px;
    align-content: center;
    justify-items: center;
    gap: 5px;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: var(--white);
  }

  .menu-toggle span {
    width: 15px;
    height: 1px;
    background: var(--navy);
  }

  .site-nav {
    position: absolute;
    top: calc(100% - 1px);
    right: 20px;
    left: 20px;
    display: none;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--line);
    background: var(--white);
    padding: 8px 14px 13px;
  }

  .site-nav.is-open {
    display: flex;
    flex-direction: column;
  }

  .site-nav > a {
    padding: 10px 2px;
  }

  .site-nav .nav-contact {
    align-self: flex-start;
    margin-top: 5px;
    padding: 6px 11px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 34px;
    padding-block: 66px 55px;
  }

  .eyebrow {
    margin-bottom: 17px;
  }

  .hero h1 {
    font-size: clamp(39px, 10vw, 54px);
  }

  .hero-summary {
    margin-block: 18px 21px;
    font-size: 14px;
  }

  .hero-aside {
    border-left: 3px solid var(--accent);
    padding: 15px 16px;
  }

  .hero-aside dl div {
    grid-template-columns: 34px 1fr;
  }

  .aside-location {
    margin-top: 12px;
  }

  .content-section {
    grid-template-columns: 1fr;
    gap: 21px;
  }

  .section-label {
    gap: 10px;
  }

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

  .skill-group {
    min-height: auto;
    padding: 13px 14px;
  }

  .project-card {
    padding: 17px 15px 14px;
  }

  .project-link-label {
    bottom: 14px;
    left: 15px;
  }

  .additional-projects {
    grid-template-columns: 1fr;
  }

  .project-purpose,
  .project-contribution,
  .project-result {
    grid-template-columns: 1fr;
    gap: 2px;
    margin-top: 11px;
  }

  .project-footer {
    margin-top: 12px;
  }

  .timeline-entry {
    grid-template-columns: 1fr;
    gap: 5px;
    padding-block: 16px;
  }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-links a {
    grid-template-columns: 48px minmax(0, 1fr) 20px;
    gap: 8px;
    font-size: 12px;
  }

  .footer-inner {
    min-height: 55px;
    gap: 10px;
    font-size: 11px;
  }

  .footer-inner span:first-child {
    flex: 1;
  }
}

@media (max-width: 480px) {
  .hero-actions .button {
    width: 100%;
  }

  .timeline-entry {
    grid-template-columns: 1fr;
  }

  .contact-links a {
    grid-template-columns: minmax(0, 1fr) 20px;
  }

  .contact-links a > span:first-child,
  .contact-links strong {
    grid-column: 1;
  }

  .contact-links .contact-arrow {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
}