:root {
  --bg: #e9eff2;
  --text: #111111;
  --border: #222222;
  --muted: #2d2d2d;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "EB Garamond", Garamond, Georgia, serif;
  line-height: 1.35;
}

.page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2.5rem 3.5rem 4rem;
}

.site-header {
  padding: 0 0 2.5rem;
  border-bottom: 2px solid var(--border);
}

.site-header h1 {
  margin: 0;
  font-family: "Bricolage Grotesque", sans-serif;
  font-size: clamp(4rem, 11vw, 10rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.site-header p {
  margin: 2.25rem 0 0;
  max-width: 660px;
  font-size: clamp(2rem, 3vw, 4rem);
  line-height: 1.15;
}

.layout {
  display: grid;
  grid-template-columns: minmax(180px, 24%) minmax(500px, 76%);
  min-height: 70vh;
}

.left-nav {
  padding: 1.5rem 2rem 1.5rem 0;
  border-right: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.nav-link,
.sub-link {
  background: transparent;
  border: 0;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 700;
}

.nav-link {
  padding: 0;
  font-size: clamp(1.4rem, 2vw, 2.2rem);
  line-height: 1.2;
  display: flex;
  align-items: baseline;
  gap: 0.5em;
}

.nav-link::before {
  content: "•";
  font-size: 0.85em;
  flex-shrink: 0;
}

.nav-link:hover,
.sub-link:hover,
.nav-link.active,
.sub-link.active {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.content-area {
  padding: 1.7rem 0 1.5rem 3.2rem;
}

.content-panel {
  display: none;
}

.content-panel.active {
  display: block;
}

h2 {
  margin: 0 0 1.8rem;
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 700;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.05;
}

h3 {
  margin: 1.25rem 0 0.65rem;
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 700;
  font-size: clamp(1.4rem, 2vw, 2.2rem);
  line-height: 1.2;
}

p,
li {
  font-size: clamp(1.9rem, 2.15vw, 3.1rem);
}

ol {
  margin: 0;
  padding-left: 2rem;
}

li {
  margin-bottom: 1.2rem;
}

li p,
.content-panel > p {
  margin: 0.35rem 0 0;
  max-width: 42ch;
}

strong {
  font-weight: 700;
}

hr {
  border: 0;
  border-top: 2px solid var(--border);
  margin: 2rem 0;
}

a {
  color: inherit;
}

@media (max-width: 980px) {
  .page {
    padding: 1.75rem 1.5rem 3rem;
  }

  .site-header {
    padding-bottom: 1.75rem;
  }

  .site-header h1 {
    font-size: clamp(3rem, 16vw, 5rem);
  }

  .site-header p {
    margin-top: 1.5rem;
    font-size: clamp(1.8rem, 7vw, 2.8rem);
    max-width: 22ch;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .left-nav {
    border-right: 0;
    border-bottom: 2px solid var(--border);
    padding: 1.25rem 0;
    gap: 0.75rem;
  }

  .nav-link {
    font-size: clamp(1.2rem, 6vw, 2rem);
  }

  .content-area {
    padding: 1.5rem 0 0;
  }

  h2 {
    font-size: clamp(2rem, 11vw, 3.5rem);
  }

  h3 {
    font-size: clamp(1.4rem, 8vw, 2.4rem);
  }

  p,
  li {
    font-size: clamp(1.3rem, 7vw, 2.2rem);
  }
}