:root {
  --ink-1: #0f0f0f;
  --ink-2: #3f3f3f;
  --line: #d9d9d9;
  --maxw: 1080px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background: linear-gradient(180deg, #ffffff 0%, #f4f4f4 100%);
}

body {
  color: var(--ink-1);
  font-family: "IBM Plex Sans", "Helvetica Neue", sans-serif;
  line-height: 1.75;
}

a {
  color: var(--ink-1);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  background: #ebebeb;
}

.topbar {
  backdrop-filter: blur(6px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-inner {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--maxw);
  padding: 0.9rem 1rem;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.86rem;
  font-weight: 500;
  gap: 0.6rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.brand-favicon {
  border-radius: 4px;
  display: block;
  height: 2rem;
  object-fit: cover;
  width: 2rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.nav a {
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.container {
  margin: 0 auto;
  max-width: var(--maxw);
  padding: 1.6rem 1rem 3rem;
}

.hero {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 1.2rem;
  grid-template-columns: 1.4fr 0.8fr;
  padding: 1rem 0 1.8rem;
}

.kicker {
  color: var(--ink-2);
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  margin: 0 0 0.4rem;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: #000000;
  font-family: "Cormorant Garamond", Georgia, serif;
  letter-spacing: 0.01em;
  line-height: 1.2;
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  margin-bottom: 0.75rem;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 0.85rem;
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.intro {
  margin: 0;
  max-width: 62ch;
}

.intro-secondary {
  margin-top: 0.75rem;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.link-row li {
  margin: 0;
}

.hero-right {
  align-items: flex-start;
  display: flex;
  justify-content: flex-end;
}

.hero-right img {
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  display: block;
  max-width: 250px;
  object-fit: cover;
  object-position: center 42%;
  aspect-ratio: 1 / 1;
  width: 100%;
}

.section {
  margin-top: 1.35rem;
  padding-top: 1.2rem;
}

.topic-group {
  margin-top: 0.95rem;
}

.topic-title {
  border-bottom: 1px solid var(--line);
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 0.45rem;
  padding-bottom: 0.35rem;
  text-transform: uppercase;
}

.pub-list {
  margin: 0.45rem 0 0;
  padding: 0 0 0 1.35rem;
}

.pub-list li {
  list-style-position: outside;
  margin: 0;
  padding: 0.9rem 0;
}

.pub-list li:last-child {
  margin-bottom: 0;
}

.pub-list span {
  color: var(--ink-2);
  display: block;
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.72rem;
  margin-top: 0.14rem;
}

.pub-list li > a {
  color: var(--ink-1);
  display: block;
  font-family: "IBM Plex Sans", "Helvetica Neue", sans-serif;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.45;
  margin-top: 0;
}

.footer {
  border-top: 1px solid var(--line);
  color: var(--ink-2);
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.72rem;
  margin-top: 1.5rem;
  padding: 1rem;
  text-align: center;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-right {
    justify-content: flex-start;
  }

  .hero-right img {
    max-width: 180px;
  }
}