:root {
  --bg-color: #f5f7f8;
  --text-color: #2f343a;
  --muted-color: #6a727c;
  --card-color: #ffffff;
  --accent-color: #35656a;
  --border-color: #e4e7eb;
  --shadow: 0 10px 22px rgba(27, 34, 42, 0.05);
  --font-main: "Playfair Display", "Times New Roman", serif;
  --font-sans: "Playfair Display", "Times New Roman", serif;
  --max-width: 1200px;
  --font-scale: 0.9;
}

* {
  box-sizing: border-box;
}

.post-content img {
  max-width: 100%;
  width: 350px; /* Scales them down to roughly 30% of the container width on desktop */
  height: auto;
  border-radius: 8px;
  display: block;
  margin: 2rem auto;
}

.post-content blockquote {
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--accent-color);
  background: transparent;
  font-style: italic;
  font-size: calc(24px * var(--font-scale));
  color: var(--muted-color);
}

.references-section {
  margin-top: 4rem;
  padding: 2rem;
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.references-section h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: calc(22px * var(--font-scale));
  color: var(--text-color);
}

.references-section p {
  font-size: calc(18px * var(--font-scale));
  color: var(--text-color);
  margin-bottom: 1rem;
}

.references-section ul {
  margin: 0;
  padding-left: 1.5rem;
  color: var(--text-color);
}

.references-section li {
  margin-bottom: 0.75rem;
  font-size: calc(17px * var(--font-scale));
}

.references-section li:last-child {
  margin-bottom: 0;
}

.post-content blockquote p {
  margin: 0;
}

body {
  margin: 0;
  padding: 24px;
  font-family: var(--font-main);
  font-size: calc(19px * var(--font-scale));
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.65;
  letter-spacing: 0;
}

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

a:hover {
  text-decoration: underline;
}

a:focus-visible {
  outline: 3px solid var(--accent-color);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 10;
  padding: 8px 12px;
  color: var(--card-color);
  background: var(--text-color);
  transform: translateY(-160%);
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 0 32px;
}

.header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--muted-color);
}

.nav-link {
  padding: 6px 0 4px;
  border-bottom: 2px solid transparent;
  color: var(--muted-color);
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  border-bottom-color: var(--accent-color);
  color: var(--text-color);
  text-decoration: none;
}

.page-head {
  margin: 0 0 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.page-head h1 {
  font-size: calc(26px * var(--font-scale));
}

.talks-head {
  margin-top: 2.5rem;
}

main {
  display: grid;
  gap: 12px;
}

h1,
h2,
h3 {
  font-family: var(--font-main);
  font-weight: 700;
  letter-spacing: 0;
  margin: 0;
}

.lede {
  margin: 0;
  color: var(--muted-color);
  font-size: calc(18px * var(--font-scale));
}

.post-meta {
  color: var(--muted-color);
  font-size: calc(0.9rem * var(--font-scale));
}

.empty-state {
  font-size: calc(1.2rem * var(--font-scale));
  color: var(--text-color);
  font-weight: 600;
}

.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.post-item {
  position: relative;
  margin: 0;
  padding: 18px 20px;
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.post-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 10px;
}

.post-meta-row .post-meta {
  margin: 0;
}

.post-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(27, 34, 42, 0.08);
}

.post-item:focus-within {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(53, 101, 106, 0.2);
}

.post-item h3 {
  margin: 0;
  font-size: calc(22px * var(--font-scale));
}

.post-item h3 a {
  color: var(--text-color);
  text-decoration: none;
}

.post-item h3 a::after {
  position: absolute;
  inset: 0;
  content: "";
}

.post-item h3 a:focus-visible {
  outline: none;
}

.post-item h3 a:hover {
  text-decoration: underline;
}

.author-photo {
  width: 100%;
  max-width: 260px;
  border-radius: 12px;
  height: auto;
  display: block;
}

.about-photo-wrap {
  margin: 0;
  display: flex;
  justify-content: flex-end;
}

.about-block {
  margin: 8px 0 32px;
  text-align: left;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
}

.about-text > :first-child {
  margin-top: 0;
}

.about-text > :last-child {
  margin-bottom: 0;
}

.about-block p {
  margin: 0 0 12px;
}

.footer {
  margin-top: 3rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  color: var(--muted-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  color: var(--accent-color);
  background: var(--card-color);
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.social-link svg {
  width: 18px;
  height: 18px;
}

.social-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

@media (prefers-reduced-motion: reduce) {
  .post-item,
  .social-link {
    transition: none;
  }

  .post-item:hover,
  .social-link:hover {
    transform: none;
  }
}

@media (max-width: 760px) {
  .post-list {
    grid-template-columns: 1fr;
  }

  .about-block {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .about-photo-wrap {
    justify-content: flex-start;
  }

  .author-photo {
    max-width: 180px;
  }
}

@media (max-width: 640px) {
  body {
    padding: 18px;
    font-size: calc(18px * var(--font-scale));
  }

  .header {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 2rem;
    gap: 8px;
  }

  .nav {
    width: 100%;
    justify-content: flex-start;
  }

  .page-head h1 {
    font-size: calc(26px * var(--font-scale));
  }

  .post-item {
    padding: 16px;
  }

  .post-item h3 {
    font-size: calc(21px * var(--font-scale));
  }

  .post-meta {
    font-size: calc(0.95rem * var(--font-scale));
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---- Slide-deck tag pill (shown next to slide-deck post titles on the home page) ---- */
.post-pill {
  display: inline-block;
  font-size: calc(0.65rem * var(--font-scale));
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted-color);
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 2px 10px;
  white-space: nowrap;
}