:root {
  color-scheme: light;
  --bg: #eef1f3;
  --surface: #fbfcfd;
  --text: #171b21;
  --muted: #5c6570;
  --line: #c8cfd7;
  --accent: #346f8f;
  --accent-dark: #1f526d;
  --warm: #9b5d45;
  --soft: #dfe5ea;
  --steel: #aeb8c2;
  --bright: #ffffff;
  --shadow: 0 26px 70px rgba(23, 27, 33, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.74) 0%, rgba(174, 184, 194, 0.2) 28%, transparent 54%),
    linear-gradient(290deg, rgba(52, 111, 143, 0.08) 0%, transparent 40%),
    linear-gradient(90deg, rgba(23, 27, 33, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, rgba(23, 27, 33, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 42px 42px, 42px 42px;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--accent-dark);
  text-decoration-color: rgba(15, 107, 104, 0.35);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--warm);
}

.site-header,
.site-footer,
main {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 0 24px;
}

.brand {
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--accent-dark);
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 520px;
  overflow: hidden;
  padding: 58px 0 64px;
  border-top: 2px solid var(--text);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 610px;
}

.hero-title {
  margin-bottom: 10px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.15;
}

h1 {
  margin: 0;
  max-width: 900px;
  font-size: 1.75rem;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.35rem;
}

h3 {
  margin: 28px 0 8px;
  font-size: 1.05rem;
}

p {
  margin: 0 0 18px;
}

.hero-copy > p:not(.eyebrow),
.page-header p {
  max-width: 800px;
  color: var(--muted);
  font-size: 1.16rem;
}

.hero-summary {
  display: inline;
  padding: 0.08em 0.18em;
  background: rgba(238, 241, 243, 0.72);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  color: var(--text);
  line-height: 1.72;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 17px;
  border: 2px solid var(--text);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--text);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--text);
}

.button.primary {
  border-color: var(--text);
  background: var(--accent);
  color: #ffffff;
}

.hero-wallpaper {
  position: absolute;
  inset: 0 -1.5% 0 auto;
  width: min(980px, 82vw);
  background:
    linear-gradient(90deg, rgba(238, 241, 243, 0.82) 0%, rgba(238, 241, 243, 0.25) 34%, rgba(238, 241, 243, 0) 58%),
    url("/images/portrait.png");
  background-position: center right;
  background-repeat: no-repeat;
  background-size: cover;
  opacity: 0.96;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.18) 18%, rgba(0, 0, 0, 0.88) 42%, #000 64%, #000 94%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.18) 18%, rgba(0, 0, 0, 0.88) 42%, #000 64%, #000 94%, transparent 100%);
}

.hero-wallpaper::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(238, 241, 243, 0.82) 0%, rgba(238, 241, 243, 0.16) 42%, transparent 64%),
    linear-gradient(180deg, rgba(23, 27, 33, 0.08), transparent 18%, transparent 82%, rgba(23, 27, 33, 0.08));
  content: "";
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  padding: 46px 0 76px;
  border-top: 2px solid var(--text);
}

.section-grid article,
.item {
  padding: 20px;
  border: 2px solid var(--text);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 5px 5px 0 var(--text);
}

.section-grid p,
.content,
.item p {
  color: var(--muted);
}

.page {
  padding: 56px 0 80px;
  border-top: 2px solid var(--text);
}

.page-header {
  margin-bottom: 42px;
}

.page-header h1 {
  margin-bottom: 18px;
}

.content {
  max-width: 820px;
}

.content h2 {
  margin: 42px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid #aeb8c2;
  color: var(--text);
  font-size: 1.28rem;
  font-variant: small-caps;
  text-transform: uppercase;
}

.content h2:first-child {
  margin-top: 0;
}

.content h3 {
  margin: 22px 0 4px;
  color: var(--text);
  font-size: 1.18rem;
}

.content h3 + p {
  margin-bottom: 8px;
}

.content strong {
  color: var(--text);
}

.content p {
  margin-bottom: 10px;
}

.content ul {
  margin: 8px 0 18px;
  padding-left: 1.35rem;
}

.content li {
  margin-bottom: 5px;
}

.post-date {
  display: block;
  margin: -6px 0 14px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.coursework-details {
  margin-top: 42px;
  border-bottom: 1px solid var(--line);
}

.coursework-details summary {
  padding: 0 0 8px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  cursor: pointer;
  font-size: 1.18rem;
  font-variant: small-caps;
  font-weight: 700;
  text-transform: uppercase;
}

.coursework-details[open] summary {
  margin-bottom: 16px;
}

.coursework-details ul {
  margin-bottom: 18px;
}

.interactive-embed {
  margin: 32px 0;
}

.interactive-embed iframe {
  display: block;
  width: 100%;
  min-height: 520px;
  border: 2px solid var(--text);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 5px 5px 0 var(--text);
}

.interactive-embed figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.post-share {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  max-width: 820px;
  margin-top: 44px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.post-share span {
  color: var(--text);
  font-weight: 800;
}

.post-share a,
.post-share button {
  display: inline-flex;
  flex: 0 0 34px;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  max-width: 34px;
  max-height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.post-share svg {
  width: 17px;
  height: 17px;
  max-width: 17px;
  max-height: 17px;
  flex: 0 0 17px;
  fill: currentColor;
}

.post-share a:hover,
.post-share button:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  transform: translateY(-1px);
}

.share-status {
  color: var(--muted);
  font-size: 0.86rem;
}

.item-list {
  display: grid;
  gap: 24px;
  max-width: 820px;
}

.item h2 {
  margin-bottom: 8px;
}

.item h2 a {
  color: var(--text);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  padding: 30px 0 42px;
  border-top: 2px solid var(--text);
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 800px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero {
    min-height: 460px;
    padding: 44px 0 52px;
  }

  .hero-wallpaper {
    width: 100%;
    opacity: 0.42;
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.5) 36%, #000 72%);
    mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.5) 36%, #000 72%);
  }

  h1 {
    font-size: 1.6rem;
  }

  .interactive-embed iframe {
    min-height: 380px;
  }
}