html {
  color-scheme: light;
}

body {
  background:
    linear-gradient(180deg, rgba(36, 52, 71, 0.14), rgba(36, 52, 71, 0) 240px),
    var(--color-background-page);
  color: var(--color-text);
  font-family: "Source Sans 3", "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1rem;
  font-weight: 400;
}

body.dark-mode {
  color-scheme: dark;
}

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode .site-header--hero,
body.dark-mode .site-header__nav--hero a {
  color: var(--color-text);
}

h1 {
  margin-bottom: var(--space-3);
  color: var(--color-background-header);
  font-size: 1.8rem;
  font-family: "Bitter", Georgia, "Times New Roman", Times, serif;
  font-weight: 700;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

h2 {
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 0.25rem solid var(--color-accent);
  color: var(--color-background-header);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "Bitter", Georgia, "Times New Roman", Times, serif;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

p {
  margin-bottom: var(--space-3);
}

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

p strong {
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

a {
  color: var(--color-link);
}

a strong {
  color: inherit;
}

.site-header {
  background: var(--color-background-header);
  color: var(--color-text-inverted);
  border-radius: var(--radius-1);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.16);
}

.site-header a {
  color: var(--color-text-inverted);
  text-decoration: none;
}

.site-header__appname {
  font-family: "Bitter", Georgia, "Times New Roman", Times, serif;
  letter-spacing: 0.03em;
}

.site-header__page {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.88;
}

.site-header__nav a {
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: var(--space-2) var(--space-3);
  transition: border-color 120ms ease, background-color 120ms ease;
}

.site-header__nav a:hover,
.site-header__nav a[aria-current="page"] {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.14);
}

.site-header--hero {
  background: var(--color-background-surface);
  color: var(--color-background-header);
  border: 1px solid var(--color-border);
}

.site-header--hero .site-header__lead h1 {
  margin-bottom: 0;
  font-size: 3.8rem;
  line-height: 1;
}

.site-header__eyebrow {
  margin-bottom: var(--space-2);
  color: var(--color-accent);
  font-size: 1.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.site-header__nav--hero a {
  color: var(--color-background-header);
  background: rgba(31, 41, 51, 0.06);
  border: 1px solid transparent;
  font-weight: 700;
  padding: var(--space-3) var(--space-4);
}

.site-header__nav--hero a:hover {
  border-color: rgba(201, 79, 79, 0.45);
  background: rgba(201, 79, 79, 0.08);
}

.site-header__nav--hero a[aria-current="page"] {
  border-color: var(--color-accent);
  background: transparent;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  white-space: nowrap;
}

.theme-toggle input {
  inline-size: 1.05rem;
  block-size: 1.05rem;
  accent-color: var(--color-accent);
}

.site-header__user {
  background: var(--color-background-chip);
  border-radius: var(--radius-pill);
}

.avatar {
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.card {
  background: var(--color-background-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-1);
  box-shadow: 0 10px 22px rgba(31, 41, 51, 0.08);
}

.stack-list {
  list-style: none;
}

.stack-list li {
  background: var(--color-sequence-item);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-1) - 0.15rem);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

svg.icon {
  display: inline;
  height: 1.2em;
  width: 1.2em;
  vertical-align: text-bottom;
  fill: currentColor;
  flex: 0 0 auto;
}