:root {
  --bg: #f6f5f0;
  --bg-2: #ecebe4;
  --ink: #1b201d;
  --ink-2: #4b524d;
  --ink-3: #7d837e;
  --line: #d6d5cc;
  --accent: #3b5a47;
  --accent-ink: #f6f5f0;
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --measure: 62ch;
  --gutter: clamp(16px, 5vw, 64px);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #171a18;
    --bg-2: #20241f;
    --ink: #eeede6;
    --ink-2: #b9bcb4;
    --ink-3: #868a83;
    --line: #34382f;
    --accent: #8db89a;
    --accent-ink: #171a18;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #171a18;
  --bg-2: #20241f;
  --ink: #eeede6;
  --ink-2: #b9bcb4;
  --ink-3: #868a83;
  --line: #34382f;
  --accent: #8db89a;
  --accent-ink: #171a18;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.55;
  padding-inline: var(--gutter);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--display); text-wrap: balance; margin: 0; line-height: 1.05; }
p { margin: 0; }

.eyebrow {
  font-family: var(--display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

/* top bar */
main, .foot, .top-inner { max-width: 72rem; margin-inline: auto; }
.top {
  position: sticky;
  top: 0;
  z-index: 5;
  padding-block: 0.9rem;
  margin-inline: calc(-1 * var(--gutter));
  padding-inline: var(--gutter);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem 2rem;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 90%;
  letter-spacing: 0.02em;
  text-decoration: none;
  font-size: 1rem;
}
.nav { display: flex; gap: 1.25rem; flex-wrap: wrap; align-items: center; }
.bar-social {
  display: inline-flex;
  gap: 0.6rem;
  margin-left: 0.5rem;
  padding-left: 1rem;
  border-left: 1px solid var(--line);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
}
.past-hero .bar-social { opacity: 1; transform: none; pointer-events: auto; }
.bar-social a { display: inline-flex; color: var(--ink-2); }
.bar-social a:hover { color: var(--accent); }
.nav a {
  font-family: var(--display);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--ink-2);
}
.nav a:hover { color: var(--ink); }
@media (max-width: 719px) {
  .top { padding-block: 0.6rem 0; }
  .top-inner { flex-direction: column; align-items: flex-start; gap: 0.35rem; }
  .nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    width: calc(100% + 2 * var(--gutter));
    margin-inline: calc(-1 * var(--gutter));
    padding-inline: var(--gutter);
    padding-block: 0.25rem 0.6rem;
    gap: 1rem;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { white-space: nowrap; }
  .bar-social { margin-left: 0.25rem; padding-left: 0.75rem; }
  .brand-photo { width: 28px; height: 28px; }
}

/* hero */
.hero {
  padding-block: clamp(2.5rem, 6vw, 5rem) clamp(2.5rem, 6vw, 4rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
}
@media (min-width: 800px) {
  .hero { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 3rem; }
}
.hero-text { display: grid; gap: 0.9rem; }
.brand-photo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  object-position: 70% 30%;
  opacity: 0;
  transition: opacity 0.2s;
}
.past-hero .brand-photo { opacity: 1; }
.hero-text { will-change: transform, opacity; }
.hero-figure { margin: 0; display: grid; gap: 0.6rem; }
.hero-caption { display: grid; gap: 0.1rem; }
.hero-caption b { font-family: var(--display); font-weight: 700; font-size: 0.9rem; }
.hero-caption span { font-size: 0.9rem; color: var(--ink-2); font-style: italic; }
.hero-photo {
  transform-origin: top left;
  position: relative;
  z-index: 6;
  will-change: transform, opacity;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 70% 30%;
  background: var(--bg-2);
}
.hero h1 {
  font-size: clamp(3rem, 9vw, 6.5rem);
  font-weight: 800;
  font-stretch: 85%;
  letter-spacing: -0.02em;
  line-height: 0.95;
}
.hero-line { font-size: 1.15rem; color: var(--ink-2); max-width: var(--measure); }
.hero-links { display: flex; flex-wrap: wrap; gap: 0.6rem 1.75rem; margin-top: 0.8rem; }
.hero-links a {
  font-family: var(--display);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
}

/* sections */
.section {
  border-top: 1px solid var(--line);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
}
.section-head { display: grid; gap: 0.8rem; max-width: 52rem; }
.section-head h2 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 700;
  font-stretch: 90%;
  letter-spacing: -0.015em;
}
.lede { font-size: 1.15rem; max-width: var(--measure); }

/* internship groups */
.group {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}
@media (min-width: 900px) {
  .group { grid-template-columns: 18rem minmax(0, 1fr); gap: 3rem; align-items: start; }
}
.group-head { display: grid; gap: 0.6rem; }
@media (min-width: 900px) { .group-head { position: sticky; top: 4.5rem; } }
.group-head h3 { font-size: 1.35rem; font-weight: 700; font-stretch: 90%; }
.group-head p { color: var(--ink-2); font-size: 1rem; }

/* figure grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr));
  gap: 1.5rem 1.25rem;
}
figure { margin: 0; display: grid; gap: 0.6rem; }
figure img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--bg-2);
}
figure.wide img { aspect-ratio: 16 / 9; }
.section > figure.wide { max-width: 52rem; }
.section > figure.wide img { aspect-ratio: 2 / 1; object-position: 50% 45%; }
figure.natural img { aspect-ratio: auto; }
.grid { align-items: start; }
figcaption { display: grid; gap: 0.15rem; }
figcaption b {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}
figcaption span { font-size: 0.95rem; color: var(--ink-2); font-style: italic; }

/* experience */
.jobs { list-style: none; margin: 0; padding: 0; display: grid; }
.jobs li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.4rem 3rem;
  padding-block: 1.5rem;
  border-top: 1px solid var(--line);
}
.jobs li:first-child { border-top: 0; padding-top: 0; }
@media (min-width: 720px) { .jobs li { grid-template-columns: 12rem minmax(0, 1fr); } }
.job-when {
  font-family: var(--display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}
.job-what { display: grid; gap: 0.5rem; max-width: 46rem; }
.job-what h3 { font-size: 1.2rem; font-weight: 700; font-stretch: 90%; }
.job-what p { color: var(--ink-2); }
.job-what figure { margin-top: 0.75rem; }

/* about */
.about { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2rem; align-items: start; }
@media (min-width: 900px) { .about { grid-template-columns: minmax(0, 1fr) 22rem; gap: 3.5rem; } }
.about-photo { order: -1; }
@media (min-width: 900px) { .about-photo { order: 1; position: sticky; top: 5rem; } }
.about-photo img { aspect-ratio: auto; }
.prose { display: grid; gap: 1.1rem; max-width: var(--measure); font-size: 1.125rem; }

/* contact */
.contact { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; max-width: 30rem; }
.contact li { display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: 1rem; align-items: baseline; }
.contact span {
  font-family: var(--display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.contact a { text-decoration: none; border-bottom: 1px solid var(--accent); word-break: break-word; }

.foot {
  border-top: 1px solid var(--line);
  padding-block: 2rem 3rem;
  font-family: var(--display);
  font-size: 0.8rem;
  color: var(--ink-3);
}