@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;1,8..60,300&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: #fff;
  color: #000;
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 300;
  min-height: 100vh;
}

/* ── Nav ── */
nav {
  border-bottom: 1px solid #000;
  padding: 0 2rem;
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}

.nav-link {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 0.82rem;
  font-weight: 300;
  color: #000;
  text-decoration: none;
  letter-spacing: 0.04em;
  padding: 1.1rem 1rem;
  display: inline-block;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  cursor: pointer;
  font-style: normal;
}

.nav-link:hover,
.nav-link.active {
  border-bottom: 2px solid #000;
}

/* ── Dropdown ── */
.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.caret {
  font-size: 0.65rem;
  opacity: 0.5;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  border: 1px solid #000;
  min-width: 140px;
  z-index: 100;
  flex-direction: column;
}

.dropdown-menu.open {
  display: flex;
}

.dropdown-item {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 0.82rem;
  font-weight: 300;
  color: #000;
  text-decoration: none;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid #eee;
  letter-spacing: 0.03em;
  transition: background 0.1s;
}

.dropdown-item:last-child { border-bottom: none; }
.dropdown-item:hover,
.dropdown-item.active { background: #f5f5f5; }

/* ── Page header ── */
header {
  border-bottom: 1px solid #000;
  padding: 3rem 0 2.2rem;
  text-align: center;
}

.site-name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.4rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #000;
}

.page-subtitle {
  font-size: 0.85rem;
  font-weight: 300;
  font-style: italic;
  color: #888;
  margin-top: 0.4rem;
  letter-spacing: 0.02em;
}

/* ── Main content ── */
main {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 1.5rem 6rem;
}

/* ── Bio placeholder ── */
.bio {
  padding: 2.5rem 0;
  border-bottom: 1px solid #000;
  font-size: 1rem;
  line-height: 1.8;
  color: #888;
  font-style: italic;
}

/* ── External link card ── */
.ext-card {
  display: block;
  margin: 2.5rem 0;
  padding: 2rem;
  border: 1px solid #000;
  text-decoration: none;
  color: #000;
  transition: background 0.15s;
}

.ext-card:hover { background: #f5f5f5; }

.ext-card-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.4rem;
  font-weight: 400;
}

.ext-card-url {
  font-size: 0.8rem;
  color: #888;
  margin-top: 0.4rem;
  letter-spacing: 0.04em;
}

.ext-card-bio {
  font-size: 0.95rem;
  color: #888;
  font-style: italic;
  margin-top: 0.8rem;
  line-height: 1.7;
}

/* ── Posts (Science Toast / Projects) ── */
.loading {
  padding: 4rem 0;
  text-align: center;
  font-style: italic;
  font-size: 0.95rem;
}

.error {
  padding: 3rem 0;
  font-style: italic;
  font-size: 0.9rem;
  color: #888;
}

/* ── Masonry grid ── */
.masonry {
  columns: 2;
  column-gap: 1.5rem;
  padding: 2rem 0;
}

@media (max-width: 600px) {
  .masonry { columns: 1; }
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.masonry-item img {
  width: 100%;
  display: block;
  transition: transform 0.4s ease;
}

.masonry-item:hover img {
  transform: scale(1.01);
}

.masonry-caption {
  padding: 0.6rem 0 0;
}

.masonry-caption-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 0.95rem;
  font-weight: 400;
  color: #000;
  text-decoration: none;
  display: block;
  line-height: 1.35;
}

.masonry-caption-title:hover {
  text-decoration: underline;
}

.masonry-caption-blurb {
  font-size: 0.8rem;
  color: #555;
  margin-top: 0.15rem;
  line-height: 1.5;
  font-weight: 300;
}

/* ── Text tiles ── */
.text-masonry {
  columns: 3;
  column-gap: 1.5rem;
}

@media (max-width: 600px) {
  .text-masonry { columns: 1; }
}

.text-tile {
  border: 1px solid #000;
  margin-bottom: 1.5rem;
}

.masonry-caption.static {
  padding: 1.2rem;
  position: static;
  transform: none;
  transition: none;
  background: #fff;
}

.text-tile .masonry-caption-title {
  font-size: 1rem;
}

.text-tile .masonry-caption-blurb {
  font-size: 0.85rem;
  margin-top: 0.4rem;
  color: #444;
  line-height: 1.65;
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.75rem;
  border-top: 1px solid #000;
  font-style: italic;
  color: #888;
}