:root {
  --bg: #f3ede1;
  --ink: #262019;
  --muted: #756a5a;
  --accent: #a34a26;
  --line: #d9cfba;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "URW Palladio L", P052, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.6;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

/* Header */

.site-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem 1.5rem;
  margin-bottom: 4rem;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
}

.mark-icon {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

a.mark:hover {
  color: var(--accent);
}

.header-contact {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.header-contact:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Hero */

.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 5vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 1.1rem;
}

.hero p {
  font-size: 1.1rem;
  color: var(--ink);
  max-width: 34em;
}

/* Sections */

section {
  margin: 0;
}

.label {
  font-family: var(--sans);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
  margin: 0 0 0.9rem;
}

p {
  margin: 0 0 1rem;
}

p:last-child {
  margin-bottom: 0;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

ul li {
  position: relative;
  padding-left: 1.15em;
  margin-bottom: 0.6rem;
}

ul li::before {
  content: "\2013";
  position: absolute;
  left: 0;
  color: var(--muted);
}

ul li:last-child {
  margin-bottom: 0;
}

.principles li {
  max-width: 36em;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
}

hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 2.75rem 0;
}

/* Links */

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.contact-link {
  font-family: var(--sans);
  font-size: 1.05rem;
  color: var(--accent);
  text-decoration-color: var(--accent);
}

/* Footer */

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--muted);
}

footer p {
  margin: 0;
}

@media (max-width: 480px) {
  .wrap {
    padding: 2.25rem 1.25rem 3rem;
  }

  .site-header {
    margin-bottom: 3rem;
  }
}