:root {
  --bg: #f7f6f2;
  --panel: #ffffff;
  --text: #181a1f;
  --muted: #61656f;
  --line: #dedbd2;
  --accent: #334e68;
  --accent-light: #e9eef3;
  --max: 1080px;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration-color: rgba(51, 78, 104, 0.35); text-underline-offset: 0.18em; }
a:hover { text-decoration-color: currentColor; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 1rem;
  background: var(--text);
  color: white;
  padding: 0.5rem 0.75rem;
  z-index: 100;
}
.skip-link:focus { left: 1rem; }

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 246, 242, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}
.brand { text-decoration: none; }
.brand-name {
  display: block;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand-subtitle {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}
.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.94rem;
}
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover { color: var(--text); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: 4rem;
  align-items: center;
  padding: 6rem 0 4.5rem;
}
.eyebrow {
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.15; margin: 0; }
h1 { font-size: clamp(3rem, 7vw, 5.5rem); letter-spacing: -0.055em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: -0.04em; }
h3 { font-size: 1.08rem; }
.lead {
  margin-top: 1.25rem;
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  color: #2c313a;
}
.hero-copy p:not(.eyebrow) { max-width: 65ch; }
.hero-copy { min-width: 0; }
.button-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.7rem; }
.button {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  background: var(--panel);
  text-decoration: none;
  font-weight: 650;
  font-size: 0.94rem;
}
.button.primary { color: white; background: var(--accent); border-color: var(--accent); }
.button:hover { transform: translateY(-1px); }

.portrait-card {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(40, 43, 48, 0.09);
}
.portrait-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.section { padding: 3.5rem 0; border-top: 1px solid var(--line); }
.card,
.paper,
.writing-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.section-heading { margin-bottom: 1.6rem; }
.section-heading.compact { margin-top: 3.2rem; }

.paper {
  display: block;
  padding: 1.25rem;
  margin: 0 0 1rem;
}
.paper.featured { border-left: 4px solid var(--accent); }
.paper h3 a { text-decoration: none; }
.paper .meta a { font-weight: 650; }
.meta { color: var(--muted); font-size: 0.95rem; margin: 0.35rem 0 0; }
.links { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 0.85rem; }
.links a,
.text-link {
  display: inline-flex;
  width: fit-content;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
}
.links a::after { content: "\2197"; margin-left: 0.25rem; font-size: 0.8em; }

details {
  background: var(--accent-light);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  margin-top: 1rem;
}
summary { cursor: pointer; font-weight: 750; color: var(--accent); }
details p { color: #353b45; margin: 0.7rem 0 0; font-size: 0.95rem; max-width: 92ch; }

.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.thesis-panel { max-width: 680px; }
.card { padding: 1.25rem; }
.card h3 { margin-bottom: 0.75rem; }
.card ul { margin: 0; padding-left: 1.1rem; }
.card.emphasis { background: var(--accent-light); }

.writing-list { display: grid; gap: 1rem; }
.writing-item { padding: 1.2rem 1.25rem; }
.writing-item h3 a { text-decoration: none; }

.contact {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 2rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
  margin-top: 3.5rem;
  margin-bottom: 3.5rem;
}

.site-footer { border-top: 1px solid var(--line); color: var(--muted); }
.footer-wrap { display: flex; justify-content: space-between; gap: 1rem; padding: 1.2rem 0; }
.site-footer p { margin: 0; }

@media (max-width: 820px) {
  .nav-wrap { align-items: flex-start; }
  .nav { flex-wrap: wrap; justify-content: flex-end; }
  .hero, .contact { grid-template-columns: 1fr; }
  .hero { gap: 2rem; padding-top: 4rem; }
  .portrait-card { max-width: 360px; }
  .cards { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .nav-wrap { display: block; }
  .nav { justify-content: flex-start; margin-top: 0.9rem; gap: 0.8rem; }
  .eyebrow { overflow-wrap: break-word; }
  h1 { font-size: 2.45rem; letter-spacing: -0.035em; }
}