:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --paper: #fffdf8;
  --paper-soft: #faf7f0;
  --ink: #24272b;
  --muted: #667071;
  --line: #ddd8cc;
  --line-strong: #c7c0b2;
  --accent: #426d6b;
  --accent-dark: #294d4b;
  --accent-soft: #edf3f1;
  --shadow: 0 22px 55px rgba(54, 50, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(237, 243, 241, 0.72), transparent 320px),
    var(--bg);
  color: var(--ink);
  font-family: "Inter", "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 3px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 244, 239, 0.9);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  gap: 6px;
  max-width: 1040px;
  margin: 0 auto;
  padding: 10px 24px;
  overflow-x: auto;
  scrollbar-width: none;
  font-size: 13px;
  white-space: nowrap;
}

.nav::-webkit-scrollbar {
  display: none;
}

.nav a {
  border-radius: 999px;
  color: #5f6868;
  font-weight: 640;
  line-height: 1;
  padding: 8px 10px;
  transition: background-color 160ms ease, color 160ms ease;
}

.nav a:hover {
  background: rgba(66, 109, 107, 0.09);
  color: var(--accent-dark);
  text-decoration: none;
}

.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 54px 24px 42px;
}

.content {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.content > * {
  max-width: 820px;
  margin-right: auto;
  margin-left: auto;
}

.content h1 {
  max-width: none;
  margin: 0;
  padding: 64px 88px 10px;
  background:
    linear-gradient(90deg, rgba(66, 109, 107, 0.13), transparent 62%),
    linear-gradient(180deg, var(--paper-soft) 0%, var(--paper) 100%);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 48px;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: 0;
}

.content h1 + p {
  max-width: none;
  margin: 0;
  padding: 0 88px 16px;
  background: var(--paper);
  color: #465150;
  font-size: 19px;
  line-height: 1.45;
}

.content h1 + p + p {
  max-width: none;
  margin: 0 0 34px;
  padding: 0 88px 44px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted);
  font-size: 0;
}

.content h1 + p + p a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  margin: 4px 7px 0 0;
  border: 1px solid rgba(66, 109, 107, 0.24);
  border-radius: 999px;
  background: rgba(237, 243, 241, 0.72);
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 680;
  padding: 6px 13px;
  text-decoration: none;
}

.content h1 + p + p a:hover {
  border-color: rgba(66, 109, 107, 0.38);
  background: var(--accent-soft);
}

.content h2 {
  position: relative;
  margin-top: 44px;
  margin-bottom: 14px;
  padding-top: 18px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.25;
  border-top: 1px solid var(--line);
  letter-spacing: 0;
  scroll-margin-top: 70px;
}

.content h2:first-of-type {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

.content h2::before {
  position: absolute;
  top: -1px;
  left: 0;
  width: 58px;
  height: 1px;
  background: var(--accent);
  content: "";
}

.content h2:first-of-type::before {
  display: none;
}

.content h3 {
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 18px;
}

.content p {
  margin-top: 0;
  margin-bottom: 16px;
}

.content ul {
  margin-top: 10px;
  margin-bottom: 26px;
  padding-left: 0;
  list-style: none;
}

.content li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 22px;
}

.content li::before {
  position: absolute;
  top: 0.76em;
  left: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.content li:last-child {
  margin-bottom: 0;
}

.content strong {
  font-weight: 760;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 20px;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px 44px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 720px) {
  .nav {
    padding: 9px 14px;
  }

  .page {
    padding: 24px 14px 30px;
  }

  .content h1 {
    padding: 40px 24px 8px;
    font-size: 36px;
  }

  .content h1 + p,
  .content h1 + p + p {
    padding-right: 24px;
    padding-left: 24px;
  }

  .content h1 + p {
    font-size: 17px;
  }

  .content h1 + p + p {
    padding-bottom: 32px;
  }

  .content > * {
    max-width: none;
    margin-right: 24px;
    margin-left: 24px;
  }

  .content h2 {
    font-size: 21px;
    scroll-margin-top: 58px;
  }

  .footer {
    padding-right: 18px;
    padding-left: 18px;
  }
}