:root {
  color-scheme: light;
  --site-bg: #ffffff;
  --site-surface: #ffffff;
  --site-text: #1f2937;
  --site-heading: #111827;
  --site-muted: #4b5563;
  --site-border: #d1d5db;
  --site-link: #1f2937;
  --site-link-hover: #000000;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  background: var(--site-bg);
  color: var(--site-text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.65;
}

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

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

.site-shell {
  min-height: 100vh;
}

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

.site-header__inner,
.site-main,
.site-footer {
  width: min(100%, 900px);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.site-header__inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 24px;
  padding-bottom: 20px;
}

.site-brand {
  color: var(--site-heading);
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
}

.site-tagline {
  margin: 0;
  color: var(--site-muted);
  font-size: 0.95rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.site-nav a {
  font-size: 0.95rem;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.site-main {
  padding-top: 32px;
  padding-bottom: 56px;
}

.company-name {
  margin: 0 0 8px;
  color: var(--site-muted);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  color: var(--site-heading);
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
}

h2 {
  margin-top: 30px;
  font-size: clamp(1.35rem, 3vw, 1.7rem);
}

h3 {
  margin-top: 20px;
  font-size: 1.05rem;
}

p,
li {
  color: var(--site-text);
}

.lede {
  margin: 0 0 22px;
  font-size: 1.06rem;
  color: var(--site-text);
}

.meta,
.support-note {
  color: var(--site-muted);
}

.section {
  margin-top: 22px;
}

.section:first-of-type {
  margin-top: 0;
}

.panel,
.support-card {
  margin-top: 24px;
  border: 1px solid var(--site-border);
  border-radius: 8px;
  background: var(--site-surface);
  padding: 18px;
}

blockquote {
  margin: 16px 0;
  padding: 14px 16px;
  border-left: 4px solid #111827;
  background: #f9fafb;
}

ul,
ol {
  padding-left: 22px;
}

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

.footer-links,
.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.site-footer {
  border-top: 1px solid var(--site-border);
  padding-top: 24px;
  padding-bottom: 40px;
}

.site-footer p {
  margin: 0 0 14px;
}

.site-footer .footer-links a {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

@media (min-width: 768px) {
  .site-header__inner {
    align-items: flex-start;
  }
}