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

:root {
  --cream: #faf8f4;
  --white: #ffffff;
  --ink: #1c1c1e;
  --muted: #5a5a5a;
  --subtle: #8a8a8a;
  --accent: #1a3a5c;
  --accent2: #2e6da4;
  --rule: #ddd8d0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--cream);
  color: var(--ink);
  font-family: "Source Sans 3", sans-serif;
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

header {
  background: var(--accent);
  color: var(--white);
  text-align: center;
  padding: 2.5rem 1.5rem 2rem;
  border-bottom: 4px solid var(--accent2);
}

header .series-label {
  font-family: "Source Sans 3", sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #90b8d8;
  margin-bottom: 0.6rem;
}

header h1 {
  font-family: "Playfair Display", serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

header .subtitle {
  font-family: "Playfair Display", serif;
  font-style: normal;
  font-weight: 400;
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: #b8d4ea;
  margin-bottom: 1rem;
}

header .author {
  font-family: "Source Sans 3", sans-serif;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: #c8dcea;
}

main {
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.section-label {
  font-family: "Source Sans 3", sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--subtle);
  margin-bottom: 0.9rem;
}

h2 {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.25;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

footer {
  border-top: 1px solid var(--rule);
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: 0.82rem;
  color: var(--subtle);
}

footer a {
  color: var(--accent2);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}