:root {
  --bg: #f7f5f2;
  --text: #1c1c1c;
  --muted: #6b6560;
  --accent: #2f4a3e;
  --accent-soft: #e8efe9;
  --card: #ffffff;
  --border: #e4e0db;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 3rem;
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid transparent;
}
.logo {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  font-size: 0.85rem;
}
nav a {
  margin-left: 2rem;
  text-decoration: none;
  color: var(--text);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
nav a:hover { color: var(--accent); }
main { max-width: 1120px; margin: 0 auto; padding: 1rem 2rem 4rem; }
h1 { font-family: var(--serif); font-weight: 500; font-size: 2.4rem; margin: 1.5rem 0; }

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  padding: 3.5rem 0 4rem;
  border-bottom: 1px solid var(--border);
}
.hero-text .kicker {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.8rem;
}
.hero h2 {
  font-family: var(--serif);
  font-size: 3rem;
  line-height: 1.1;
  font-weight: 500;
  margin: 0 0 1rem;
}
.hero .subtitle { color: var(--muted); font-size: 1.05rem; margin: 0 0 0.4rem; }
.hero .author { color: var(--muted); font-size: 0.9rem; margin: 0 0 1.6rem; }
.hero-cover img {
  width: 100%;
  max-width: 340px;
  display: block;
  margin-left: auto;
  border-radius: 2px;
  box-shadow: 0 20px 50px rgba(0,0,0,.12);
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.6rem;
  text-decoration: none;
  border-radius: 2px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.btn:hover { background: #243c32; }

.section { margin: 3.5rem 0; }
.section h3 {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.5rem;
  font-weight: 500;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 2rem 1.5rem;
}
.card { text-decoration: none; color: inherit; }
.card img {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 6px 18px rgba(0,0,0,.08);
  transition: transform .2s ease;
}
.card:hover img { transform: translateY(-4px); }
.card h4 {
  font-family: var(--serif);
  font-size: 0.95rem;
  margin: 0.7rem 0 0.15rem;
  font-weight: 500;
  line-height: 1.3;
}
.card .by { font-size: 0.78rem; color: var(--muted); }

.author-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.author-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1.6rem 1.4rem;
  border-radius: 4px;
}
.author-card h3 {
  font-family: var(--serif);
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text);
}
.author-card p { color: var(--muted); font-size: 0.88rem; margin: 0 0 1.1rem; line-height: 1.5; }
.author-card a { color: var(--accent); text-decoration: none; font-size: 0.8rem; letter-spacing: 0.04em; }
.author-card a:hover { text-decoration: underline; }

.filters { margin: 0.5rem 0 1.8rem; }
.filters button {
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.45rem 0.9rem;
  margin-right: 0.4rem;
  cursor: pointer;
  border-radius: 2px;
  font-size: 0.8rem;
  color: var(--text);
}
.filters button.active { background: var(--accent); color: #fff; border-color: var(--accent); }

footer {
  text-align: center;
  padding: 2.5rem;
  color: var(--muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}
.about { max-width: 640px; }
.about p, .about li { color: var(--muted); }
.about strong { color: var(--text); }

@media (max-width: 800px) {
  header { padding: 1rem 1.2rem; flex-direction: column; gap: 0.7rem; }
  nav a { margin: 0 0.7rem; }
  .hero { grid-template-columns: 1fr; gap: 2rem; padding: 2rem 0; }
  .hero h2 { font-size: 2.2rem; }
  .hero-cover img { margin: 0 auto; max-width: 260px; }
  .author-grid { grid-template-columns: 1fr; }
  main { padding: 1rem 1.2rem 3rem; }
}