:root {
  --bg: #f7f5f2;
  --bg-2: #fbfbfa;
  --ink: #1f2328;
  --muted: #5a616b;
  --accent: #0f6d5f;
  --accent-2: #e6f1ee;
  --border: #e6e0d9;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 14.5px;
}

body.home-minimal {
  margin: 0;
  color: var(--ink);
  background-color: var(--bg);
  font-family: "Source Serif 4", "Georgia", "Times New Roman", serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus {
  color: #0b5247;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.nav-min {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px 0;
  max-width: 980px;
  margin: 0 auto;
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.88rem;
}

.nav-min .brand {
  font-weight: 600;
  border-bottom: 0;
  color: var(--ink);
  white-space: nowrap;
  flex: 0 0 auto;
}

.nav-min .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  justify-content: flex-end;
}

.nav-min .nav-links a {
  border-bottom: 0;
  color: var(--muted);
}

.nav-min .nav-links a:hover,
.nav-min .nav-links a:focus {
  color: var(--accent);
}

.home {
  flex: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 44px 32px 56px;
  position: relative;
}

.home > * {
  position: relative;
  z-index: 1;
}

.hero {
  display: grid;
  gap: 16px;
  margin-bottom: 28px;
}

.eyebrow {
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.hero h1 {
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin: 0;
}

.hero p {
  max-width: 70ch;
  margin: 0;
}

.motto {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 14px;
  align-items: center;
  margin: 14px 0 0;
  max-width: 50ch;
}

.motto-gif {
  --motto-size: 86px;
  width: var(--motto-size);
  height: var(--motto-size);
  position: relative;
  background-image: url("/img/bg-knot-pingpong.gif");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  filter: grayscale(1);
  opacity: 0.9;
}

.motto-quote {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  max-width: 62ch;
}

.home-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 40px;
  align-items: start;
}

.home-grid > aside {
  display: grid;
  gap: 18px;
}

.home-grid > aside > details {
  margin: 0;
}

.exp-list {
  display: grid;
  gap: 18px;
  margin: 0;
}

details.text-expander {
  border: 0;
  padding: 0;
}

details.text-expander summary {
  list-style: none;
  cursor: pointer;
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 1.08rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  padding: 2px 0;
}

details.text-expander summary i {
  color: rgba(90, 97, 107, 0.8);
}

details.text-expander summary::-webkit-details-marker {
  display: none;
}

details.text-expander summary::after {
  content: "+";
  font-size: 1rem;
  color: var(--muted);
}

details.text-expander[open] summary::after {
  content: "–";
}

.expander-body {
  margin-top: 8px;
  color: var(--muted);
  max-width: 70ch;
}

.pill-portrait {
  cursor: pointer;
  position: relative;
  -webkit-appearance: none;
  appearance: none;
}

.pill-portrait img {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  width: 168px;
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(230, 224, 217, 0.9);
  box-shadow: 0 18px 46px rgba(15, 16, 18, 0.16);
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  transform-origin: top left;
  transition: opacity 180ms ease, transform 220ms ease;
  pointer-events: none;
  filter: saturate(0.98) contrast(1.02);
  z-index: 2;
}

.pill-portrait:hover img,
.pill-portrait:focus img,
.pill-portrait:focus-visible img {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.link-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 8px;
}

.post-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 0;
}

.post-list li {
  padding: 10px 0;
  border-top: 1px solid rgba(230, 224, 217, 0.8);
}

.post-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.post-list li {
  display: grid;
  gap: 4px;
}

.post-snippet {
  color: var(--muted);
  margin: 6px 0 0;
  line-height: 1.65;
}

.post-meta {
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.76rem;
  color: var(--muted);
  display: block;
  margin-top: 2px;
}

.post-list > li > a {
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-weight: 500;
}

.pub-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  gap: 0;
}

.pub-list li {
  padding: 10px 0;
  border-top: 1px solid rgba(230, 224, 217, 0.8);
}

.pub-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.pub-title {
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.95rem;
  color: var(--ink);
}

.pub-authors,
.pub-venue {
  margin-top: 4px;
  color: var(--muted);
}

.pub-venue {
  font-size: 0.90rem;
}

.pub-venue strong {
  font-weight: 600;
}

.pub-venue a {
  color: inherit;
}

.pub-venue a:hover,
.pub-venue a:focus {
  color: var(--accent);
}

.pub-authors {
  margin-top: 6px;
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--muted);
}

.pub-actions {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.pub-tags {
  margin-top: 0;
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
  color: var(--muted);
}

.pub-links {
  margin-top: 0;
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.pub-links .sep {
  color: rgba(90, 97, 107, 0.45);
  margin: 0 10px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--accent-2);
  color: var(--accent);
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
  border: none;
  text-decoration: none;
}

.pill:hover,
.pill:focus {
  text-decoration: none;
}

.footer-min {
  position: static;
  background: transparent;
  border-top: 1px solid var(--border);
  margin: 24px auto 0;
  padding: 16px 32px 24px;
  max-width: 1200px;
}

.footer-wrap {
  display: grid;
  gap: 10px;
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  justify-content: center;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  border-bottom: 0;
  padding: 4px 6px;
  border-radius: 10px;
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--accent);
  text-decoration: none;
  background: rgba(15, 109, 95, 0.06);
}

.footer-links i {
  font-size: 1.18rem;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  justify-content: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 980px) {
  .nav-min {
    padding: 16px 16px 0;
    gap: 12px;
    font-size: 0.84rem;
  }

  .nav-min .brand {
    max-width: 52vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .nav-min .nav-links {
    flex-wrap: nowrap;
    overflow-x: auto;
    white-space: nowrap;
    gap: 10px 14px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .nav-min .nav-links::-webkit-scrollbar {
    display: none;
  }

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

@media (max-width: 640px) {
  html {
    font-size: 14px;
  }

  .pill-portrait img {
    width: 140px;
  }

  .home {
    padding: 36px 20px 40px;
  }

  .hero h1 {
    font-size: 1.7rem;
  }

  .motto {
    grid-template-columns: 70px 1fr;
    gap: 12px;
  }

  .motto-gif {
    --motto-size: 70px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pill-portrait img {
    transition: none;
    transform: none;
  }

  .motto-gif {
    background-image: url("/img/bg-knot-pingpong.png");
  }
}