:root {
  --paper: #f6f7f4;
  --surface: #ffffff;
  --ink: #202a31;
  --muted: #647079;
  --faint: #879198;
  --line: #d9dedb;
  --accent: #315e70;
  --accent-dark: #234654;
  --accent-soft: #e5eef0;
  --project: #e8efe9;
  --max: 1060px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  overflow-x: clip;
  background: var(--paper);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: "SF Pro Text", "Segoe UI Variable", "Segoe UI", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  color: var(--ink);
  background: #cbdcdf;
}

a {
  color: inherit;
}

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

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 8px 12px;
  border-radius: 8px;
  color: #fff;
  background: var(--accent-dark);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(var(--max), calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 247, 244, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.brand {
  justify-self: start;
  font-weight: 720;
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  gap: 28px;
}

.site-nav a,
.header-email {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 620;
  text-decoration: none;
}

.site-nav a:hover,
.header-email:hover {
  color: var(--ink);
}

.header-email {
  justify-self: end;
  padding-bottom: 1px;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
}

main,
.site-footer {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.65fr);
  gap: clamp(60px, 10vw, 132px);
  align-items: center;
  padding: clamp(78px, 11vw, 126px) 0 clamp(92px, 12vw, 144px);
}

.role,
.section-kicker {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.role {
  margin: 0 0 16px;
}

.section-kicker {
  margin: 8px 0 0;
}

.section-kicker--stacked span {
  display: block;
  margin-top: 5px;
  color: var(--faint);
  font-size: 0.66rem;
  font-weight: 620;
  letter-spacing: 0.08em;
}

.role span {
  margin-inline: 5px;
  color: var(--faint);
}

.hero h1 {
  margin: 0;
  font-family: "SF Pro Display", "Segoe UI Variable Display", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(3rem, 6vw, 4.3rem);
  font-weight: 640;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.hero__intro {
  max-width: 670px;
  margin: 28px 0 0;
  color: #34424b;
  font-size: clamp(1.1rem, 2vw, 1.32rem);
  line-height: 1.58;
}

.hero__intro strong {
  font-weight: 680;
}

.hero__links {
  display: flex;
  gap: 24px;
  margin-top: 30px;
}

.hero__links a,
.project__copy > a {
  color: var(--accent-dark);
  font-size: 0.91rem;
  font-weight: 720;
  text-decoration: underline;
  text-decoration-color: #9eb5bd;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.hero__links a:hover,
.project__copy > a:hover {
  text-decoration-color: var(--accent-dark);
}

.location {
  margin: 23px 0 0;
  color: var(--faint);
  font-size: 0.8rem;
}

.portrait {
  width: min(100%, 310px);
  margin: 0;
  justify-self: end;
}

.portrait img {
  width: 100%;
  height: auto;
  border: 1px solid #ccd2cf;
  border-radius: 24px;
  filter: saturate(0.78) contrast(1.01);
  box-shadow: 0 18px 45px rgba(45, 60, 67, 0.11);
}

.section {
  padding: clamp(72px, 9vw, 108px) 0;
  border-top: 1px solid var(--line);
}

.section-layout {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.experience > .section-kicker {
  margin-top: 32px;
}

.background__content > h2,
.project h2 {
  margin: 0;
  font-family: "SF Pro Display", "Segoe UI Variable Display", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 620;
  letter-spacing: -0.04em;
  line-height: 1.18;
}

.timeline {
  min-width: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 34px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
}

.timeline-item:first-child {
  border-top: 0;
}

.timeline-item time {
  padding-top: 3px;
  color: var(--faint);
  font-size: 0.78rem;
  font-weight: 650;
}

.timeline-item h3 {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 690;
  letter-spacing: -0.015em;
}

.timeline-item p {
  max-width: 650px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.91rem;
}

.timeline-item .timeline-item__org {
  margin-top: 5px;
  color: #48555d;
  font-size: 0.8rem;
  font-weight: 620;
}

.project {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(38px, 6vw, 72px);
  align-items: center;
  min-width: 0;
}

.project__preview {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid #ced8d1;
  border-radius: 26px;
  background: #ffffff;
  box-shadow: 0 16px 40px rgba(45, 60, 67, 0.1);
}

.project__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project__copy > p {
  max-width: 550px;
  margin: 18px 0 24px;
  color: var(--muted);
  font-size: 1rem;
}

.project-graveyard {
  position: relative;
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.project-graveyard__heading {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
}

.project-graveyard__heading svg {
  flex: 0 0 auto;
}

.project-graveyard__heading h3 {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 730;
  letter-spacing: 0.1em;
  line-height: 1.35;
  text-transform: uppercase;
}

.project-graveyard__list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.project-graveyard__list li {
  position: relative;
  max-width: 100%;
}

.project-graveyard__list details {
  position: relative;
}

.project-graveyard__list summary {
  display: inline-flex;
  gap: 6px;
  align-items: baseline;
  padding: 7px 10px;
  border: 1px solid #cbd3d0;
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.48);
  font-size: 0.79rem;
  font-weight: 670;
  letter-spacing: -0.01em;
  line-height: 1;
  list-style: none;
  white-space: nowrap;
  cursor: help;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.project-graveyard__list summary::-webkit-details-marker {
  display: none;
}

.project-graveyard__list summary::marker {
  content: "";
}

.project-graveyard__list summary:hover,
.project-graveyard__list summary:focus-visible,
.project-graveyard__list details[open] summary {
  border-color: #8ea5ad;
  color: var(--accent-dark);
  background: var(--surface);
}

.project-graveyard__list time {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 560;
  letter-spacing: 0;
}

.project-graveyard__list p {
  display: none;
  max-width: 320px;
  margin: 10px 0 0;
  padding-left: 12px;
  border-left: 1px solid #aebdb9;
  color: var(--muted);
  font-size: 0.79rem;
  line-height: 1.55;
}

.project-graveyard__list details[open] p {
  display: block;
}

@media (hover: hover) and (pointer: fine) {
  .project-graveyard__list p {
    position: absolute;
    z-index: 20;
    top: calc(100% + 9px);
    left: 0;
    display: block;
    width: 300px;
    margin: 0;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
    box-shadow: 0 14px 34px rgba(45, 60, 67, 0.13);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    pointer-events: none;
    transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
  }

  .project-graveyard__list li:nth-child(even) p {
    right: 0;
    left: auto;
  }

  .project-graveyard__list details:hover p,
  .project-graveyard__list details:focus-within p,
  .project-graveyard__list details[open] p {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

.background__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 44px;
  margin-top: 48px;
}

.background__grid h3 {
  margin: 0 0 22px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.background__grid p,
.background__grid ul {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.background__grid p + p {
  margin-top: 20px;
}

.background__grid strong {
  color: var(--ink);
  font-weight: 650;
}

.background__grid ul {
  display: grid;
  gap: 9px;
  padding-left: 18px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 110px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.78rem;
}

.site-footer div {
  display: flex;
  gap: 22px;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--ink);
}

.error-page {
  display: grid;
  min-height: 100svh;
  place-items: center;
  padding: 24px;
}

.error-card {
  width: min(620px, 100%);
  padding: clamp(32px, 7vw, 64px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
}

.error-card .role {
  margin-bottom: 14px;
}

.error-card h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.4rem);
  letter-spacing: -0.05em;
  line-height: 1.05;
}

.error-card p:not(.role) {
  color: var(--muted);
}

.error-card a {
  color: var(--accent-dark);
  font-weight: 700;
  text-underline-offset: 4px;
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 54px;
    padding-top: 72px;
  }

  .portrait {
    width: min(74vw, 310px);
    justify-self: start;
  }

  .section-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .section-layout > .section-kicker,
  .experience > .section-kicker {
    margin-top: 0;
  }

  .background__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project {
    grid-template-columns: 1fr;
    gap: 38px;
  }

}

@media (max-width: 560px) {
  .site-header,
  main,
  .site-footer {
    width: min(100% - 28px, var(--max));
  }

  .site-header {
    min-height: 64px;
  }

  .brand {
    font-size: 0.81rem;
  }

  .hero {
    padding: 62px 0 86px;
  }

  .hero h1 {
    font-size: clamp(2.7rem, 14vw, 3.5rem);
  }

  .hero__intro {
    font-size: 1.08rem;
  }

  .portrait {
    width: min(82vw, 300px);
  }

  .section {
    padding: 70px 0;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 26px 0;
  }

  .background__grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .project-graveyard {
    margin-top: 28px;
    padding-top: 18px;
  }

  .project-graveyard__list li:has(details[open]) {
    flex-basis: 100%;
  }

  .project-graveyard__list details[open] p {
    max-width: 100%;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 7px;
  }
}

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

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