:root {
  color-scheme: dark light;
  --color-background: #101111;
  --color-surface: #171919;
  --color-surface-strong: #202323;
  --color-ink: #f1f1ec;
  --color-ink-soft: #b0b5b1;
  --color-ink-faint: #747c78;
  --color-line: #343a37;
  --color-accent: #75b9ff;
  --color-accent-ink: #101111;
  --font-display: "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body: "Iowan Old Style", Baskerville, Georgia, serif;
  --font-interface: "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --content-measure: 70ch;
  --motion-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html[data-theme="light"] {
  color-scheme: light;
  --color-background: #f5f6f1;
  --color-surface: #e9ebe4;
  --color-surface-strong: #dfe3da;
  --color-ink: #171a19;
  --color-ink-soft: #56615b;
  --color-ink-faint: #7f8982;
  --color-line: #c9cec5;
  --color-accent: #155a9c;
  --color-accent-ink: #f5f6f1;
}

@media (prefers-color-scheme: light) {
  html[data-theme="auto"] {
    color-scheme: light;
    --color-background: #f5f6f1;
    --color-surface: #e9ebe4;
    --color-surface-strong: #dfe3da;
    --color-ink: #171a19;
    --color-ink-soft: #56615b;
    --color-ink-faint: #7f8982;
    --color-line: #c9cec5;
    --color-accent: #466b1d;
    --color-accent-ink: #f5f6f1;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--color-background); }
body { margin: 0; background: var(--color-background); color: var(--color-ink); font-family: var(--font-body); font-size: 1.08rem; line-height: 1.65; transition: background-color 240ms ease, color 240ms ease; }
a { color: inherit; }
.skip-link { position: fixed; z-index: 10; top: 1rem; left: 1rem; transform: translateY(-200%); padding: .5rem .75rem; background: var(--color-accent); color: var(--color-accent-ink); font: 600 .8rem var(--font-interface); text-decoration: none; }
.skip-link:focus { transform: translateY(0); }
.site-header { position: fixed; z-index: 5; top: 0; right: 0; left: 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: .75rem 2.5rem; border-bottom: 1px solid var(--color-line); background: color-mix(in srgb, var(--color-background) 92%, transparent); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); pointer-events: none; }
.wordmark, .header-left, .header-actions { pointer-events: auto; }
.header-left { display: contents; }
.wordmark { grid-column: 1; justify-self: start; }
.header-links { grid-column: 2; justify-self: center; }
.header-actions { grid-column: 3; justify-self: end; }
.header-actions, .header-links { display: flex; align-items: center; }
.header-actions { gap: 1.2rem; }
.header-links { gap: 1rem; }
.header-links a { display: flex; flex-direction: column; align-items: center; gap: .2rem; color: var(--color-ink-soft); font: 600 .6rem/1 var(--font-interface); text-decoration: none; transition: color 180ms ease, transform 180ms var(--motion-ease); }
.header-links a:hover, .header-links a:focus-visible { color: var(--color-accent); transform: translateY(-2px) rotate(-4deg); }
.header-links svg { width: 1.1rem; height: 1.1rem; fill: currentColor; }
.header-links .material-symbols-rounded { width: 1.1rem; height: 1.1rem; fill: currentColor; font-size: 1.1rem; }
.wordmark { display: grid; place-items: center; width: 2.15rem; height: 2.15rem; color: var(--color-ink); font: 700 .75rem var(--font-interface); letter-spacing: -.05em; text-decoration: none; border: 1px solid var(--color-line); border-radius: 50%; transition: border-color 180ms ease, color 180ms ease, transform 180ms var(--motion-ease); }
.wordmark:hover { border-color: var(--color-accent); color: var(--color-accent); transform: rotate(-8deg); }
.material-symbols-rounded { display: inline-block; font-family: 'Material Symbols Rounded'; font-size: 1rem; font-style: normal; font-weight: 400; line-height: 1; letter-spacing: normal; text-transform: none; white-space: nowrap; direction: ltr; font-feature-settings: 'liga'; -webkit-font-feature-settings: 'liga'; -webkit-font-smoothing: antialiased; }
.theme-toggle { display: flex; flex-direction: column; align-items: center; gap: .2rem; padding: .35rem 0; border: 0; background: transparent; color: var(--color-ink-soft); font: 600 .6rem/1 var(--font-interface); cursor: pointer; }
.theme-toggle .material-symbols-rounded { font-family: 'Material Symbols Rounded' !important; font-size: 1rem; font-variation-settings: 'wght' 350, 'opsz' 20; font-feature-settings: 'liga'; -webkit-font-feature-settings: 'liga'; }
.theme-toggle__icon { font-size: 1rem; font-variation-settings: 'wght' 350, 'opsz' 20; }
.theme-toggle:hover, .theme-toggle:focus-visible { color: var(--color-accent); }
.section-nav { position: fixed; z-index: 4; top: 50%; left: 2.5rem; transform: translateY(-50%); }
.section-nav__track { display: flex; flex-direction: column; gap: .9rem; }
.section-nav__link { position: relative; color: var(--color-ink-faint); font: 600 .7rem var(--font-interface); letter-spacing: .01em; text-decoration: none; transition: color 220ms ease, transform 320ms var(--motion-ease); }
.section-nav__link::before { content: ""; position: absolute; top: 50%; left: -1.1rem; width: .35rem; height: .35rem; border: 1px solid currentColor; border-radius: 50%; transform: translateY(-50%) scale(.6); transition: background-color 220ms ease, border-color 220ms ease, transform 320ms var(--motion-ease); }
.section-nav__link:hover, .section-nav__link:focus-visible, .section-nav__link.is-active { color: var(--color-ink); }
.section-nav__link.is-active { transform: translateX(.2rem); }
.section-nav__link.is-active::before { background: var(--color-accent); border-color: var(--color-accent); transform: translateY(-50%) scale(1); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 4px; }
.section { position: relative; min-height: 100vh; padding: clamp(4rem, 8vh, 7rem) max(8rem, 18vw) clamp(3rem, 7vh, 5.5rem); scroll-margin-top: 3rem; }
.js .section > * { transition: opacity 700ms var(--motion-ease), transform 1100ms var(--motion-ease); }
.js .section:not(.is-in-view) > * { opacity: .72; transform: translateY(56px); }
.section--about { padding-top: clamp(7rem, 14vh, 11rem); }
.section__eyebrow, .experience-item__date, .metadata, .site-footer, .theme-toggle { font-family: var(--font-interface); }
.section__eyebrow { max-width: var(--content-measure); color: var(--color-ink-faint); font-size: .68rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(3rem, 9vw, 11rem); align-items: end; min-height: 54vh; max-width: 80rem; margin-top: clamp(2rem, 5vh, 4rem); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font: 700 clamp(4.2rem, 10vw, 9rem)/.82 var(--font-display); letter-spacing: -.045em; text-wrap: balance; }
h1 em { color: var(--color-accent); font-style: normal; }
.hero-copy { min-width: 0; max-width: 34rem; padding-bottom: .3rem; }
.hero-statement { max-width: 18ch; margin-bottom: 1.5rem; font-size: clamp(1.65rem, 3vw, 2.65rem); line-height: 1.1; letter-spacing: -.025em; }
.hero-support { max-width: 45ch; margin-bottom: 2.2rem; color: var(--color-ink-soft); }
.content-column { max-width: 70rem; }
.about-content { margin-top: clamp(8rem, 18vh, 15rem); scroll-margin-top: 7rem; }
.section-heading { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 2.5rem; border-bottom: 1px solid var(--color-line); padding-bottom: .8rem; }
h2 { margin: 0; font: 650 clamp(2.2rem, 5vw, 4.8rem)/.95 var(--font-display); letter-spacing: -.04em; text-wrap: balance; }
.lead, .section-intro { max-width: 30ch; margin-bottom: 4rem; font-size: clamp(1.5rem, 3vw, 2.55rem); line-height: 1.1; letter-spacing: -.02em; }
.about-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 5vw, 5rem); }
h3 { margin-bottom: .8rem; font: 700 1rem/1.2 var(--font-interface); letter-spacing: -.01em; }
.about-grid p, .experience-item p, .work-item p { max-width: var(--content-measure); color: var(--color-ink-soft); }
.section:not(.section--about) { padding-top: clamp(4rem, 10vh, 7.5rem); }
.experience-route { position: relative; padding: 1rem 0 1rem 4rem; }
.experience-route__line { position: absolute; top: 1rem; bottom: 1rem; left: 1rem; width: 1px; background: var(--color-line); }
.experience-item { position: relative; display: grid; grid-template-columns: 8rem 1fr; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--color-line); }
.experience-item__marker { position: absolute; top: 2.35rem; left: -3.28rem; width: .6rem; height: .6rem; border: 1px solid var(--color-ink-faint); border-radius: 50%; background: var(--color-background); transition: border-color 220ms ease, background-color 220ms ease, transform 320ms var(--motion-ease); }
.experience-item.is-current .experience-item__marker { border-color: var(--color-accent); background: var(--color-accent); transform: scale(1.35); }
.experience-item__date { color: var(--color-ink-faint); font-size: .7rem; font-weight: 700; transition: color 220ms ease; }
.experience-item.is-current .experience-item__date { color: var(--color-accent); }
.experience-item h3 { font-size: 1.3rem; }
.experience-item__company { margin-bottom: .5rem; color: var(--color-ink) !important; font: 600 .78rem var(--font-interface); }
.work-list { border-top: 1px solid var(--color-line); }
.work-item { border-bottom: 1px solid var(--color-line); }
.work-item__heading { display: grid; grid-template-columns: minmax(12rem, .7fr) minmax(12rem, 1fr); gap: 2rem; padding: 1.35rem 0 .8rem; }
.work-item__title { font: 700 1.05rem var(--font-interface); }
.work-item__result { color: var(--color-ink-soft); }
.work-item__body { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; padding: .5rem 3rem 2rem 0; }
.work-item__body h3 { color: var(--color-accent); font-size: .72rem; letter-spacing: .04em; text-transform: uppercase; }
.work-item__body p { font-size: .98rem; }
.work-item__body .metadata { grid-column: 1 / -1; margin: .5rem 0 0; padding-top: 1rem; border-top: 1px solid var(--color-line); color: var(--color-ink-faint); font-size: .68rem; font-weight: 600; letter-spacing: .03em; }
.site-footer { display: flex; justify-content: space-between; margin-top: clamp(3rem, 8vh, 6rem); padding: 1rem max(1.25rem, 18vw) 2rem; border-top: 1px solid var(--color-line); color: var(--color-ink-faint); font-size: .65rem; }

@media (max-width: 1600px) and (min-width: 801px) {
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero-copy { max-width: 38rem; }
  h1 { font-size: clamp(4rem, 12vw, 7rem); }
}

@media (min-width: 1601px) and (max-width: 1800px) {
  h1 { font-size: clamp(4rem, 8vw, 8rem); }
}

@media (max-width: 1240px) and (min-width: 801px) {
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 800px) {
  .site-header { top: 0; right: 0; left: 0; display: grid; grid-template-columns: 1fr auto 1fr; padding: .5rem 1.25rem; border-bottom: 1px solid var(--color-line); background: color-mix(in srgb, var(--color-background) 92%, transparent); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
  .header-left { display: contents; }
  .wordmark { grid-column: 1; justify-self: start; }
  .header-links { grid-column: 2; justify-self: center; }
  .header-actions { grid-column: 3; justify-self: end; }
  .section-nav { top: 4rem; right: 0; left: 0; display: flex; align-items: center; transform: none; padding: .45rem 1.25rem; overflow: hidden; border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); background: color-mix(in srgb, var(--color-background) 92%, transparent); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
  .section-nav::before, .section-nav::after { position: absolute; z-index: 1; top: 0; bottom: 0; width: 2.5rem; content: ""; pointer-events: none; }
  .section-nav::before { left: 0; background: linear-gradient(90deg, var(--color-background), transparent); }
  .section-nav::after { right: 0; background: linear-gradient(270deg, var(--color-background), transparent); }
  .section-nav__track { flex-direction: row; align-items: center; justify-content: center; gap: 1.9rem; width: max-content; margin-inline: auto; padding: 0 1rem; overflow-x: auto; scroll-snap-type: x proximity; scrollbar-width: none; }
  .section-nav__track::-webkit-scrollbar { display: none; }
  .section-nav__link { scroll-snap-align: center; padding: .35rem .1rem; font-size: .78rem; line-height: 1.2; white-space: nowrap; }
  .section-nav__link::before { display: none; }
  .section-nav__link.is-active { transform: none; color: var(--color-ink); }
  .header-links a, .theme-toggle { min-height: 2.8rem; padding: .25rem .35rem; font-size: .68rem; }
  .header-links .material-symbols-rounded { width: 1.1rem; height: 1.1rem; font-size: 1.1rem; }
  body { font-size: 1.15rem; }
  .section { padding-right: 1.25rem; padding-left: 1.25rem; }
  .section--about { padding-top: 7rem; }
  .section__eyebrow { max-width: 28rem; }
  .hero-grid, .about-grid { grid-template-columns: 1fr; gap: 2.75rem; }
  .hero-grid { min-height: auto; margin-top: 3rem; }
  h1 { max-width: 100%; padding-right: .5rem; font-size: clamp(3.25rem, 14vw, 7rem); }
  .hero-copy { padding-bottom: 0; }
  .about-content { margin-top: 14rem; scroll-margin-top: 7rem; }
  .about-grid { gap: 2.25rem; }
  .experience-item { grid-template-columns: 1fr; gap: .35rem; }
  .experience-route { padding-left: 2.25rem; }
  .experience-route__line { left: .45rem; }
  .experience-item__marker { left: -2.1rem; }
  .work-item__heading { grid-template-columns: 1fr; gap: .6rem; }
  .work-item__result { grid-column: 1; font-size: .9rem; }
  .work-item__body { grid-template-columns: 1fr; padding-right: 0; }
  .work-item__body .metadata { grid-column: 1; }
  .site-footer { gap: 1rem; flex-direction: column; padding-right: 1.25rem; padding-left: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .section > * { opacity: 1 !important; transform: none !important; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}