:root {
  color-scheme: light;
  --accent-muted: #1f3f3f;
  --rule-muted: #e6e1d7;
  --tone-soft: rgba(31, 63, 63, 0.04);
}

/* Base document */

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont,
               "Segoe UI", Helvetica, Arial, sans-serif;
  color: #1a1a1a;
  background: #fdfcf9;
}

/* Main reading column */

main {
  max-width: 70ch;
  margin: 0 auto;
  padding: 32px 20px 40px;
  line-height: 1.6;
  font-size: 18px;
}

/* Section containment */

section {
  margin-bottom: 64px;
}

section:last-of-type {
  margin-bottom: 0;
}

/* Headings (editorial tone) */

h1,
h2 {
  font-family: Georgia, "Iowan Old Style", "Times New Roman", serif;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

/* Hero */

#hero {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--rule-muted);
}

h1 {
  font-size: 38px;
  margin-bottom: 28px;
  color: #0a0a0a;
}

/* Section headers */

section > h2 {
  margin-bottom: 24px;
}

h2 {
  font-size: 23px;
  margin-top: 0;
  margin-bottom: 12px;
  color: var(--accent-muted);
  font-weight: 600;
}

h2::after {
  content: "";
  display: block;
  width: 2.5rem;
  height: 1px;
  background: var(--rule-muted);
  margin-top: 10px;
}

/* Sub-heads */

h3 {
  font-size: 18px;
  margin-top: 32px;
  margin-bottom: 12px;
  font-style: italic;
  color: #1f3f3f;
}

/* Text rhythm */

p {
  margin: 0 0 18px;
}

p + p {
  margin-top: 8px;
}

/* Lists */

ul {
  padding-left: 22px;
  margin: 12px 0 24px;
}

li {
  margin-bottom: 8px;
}

/* Links */

a {
  color: #0f4873;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

/* Profile image */

.profile-image {
  display: block;
  width: 180px;
  max-width: 50%;
  margin: 24px auto 0;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.04);
}

/* Option A: Testimonial section toning */

#testimonials {
  background: var(--tone-soft);
  padding: 32px 24px;
  border-radius: 6px;
}

#testimonials h2 {
  margin-top: 0;
}

/* Footer */

footer {
  border-top: 1px solid var(--rule-muted);
  padding: 20px 20px 32px;
  max-width: 70ch;
  margin: 20px auto 0;
  font-size: 14px;
  color: #3a3a3a;
}