:root {
  --ink: #1a2332;
  --muted: #5a6577;
  --paper: #f7f9fc;
  --accent: #0f6e56;
  --line: rgba(26, 35, 50, 0.12);
  --shadow: 0 18px 50px rgba(26, 35, 50, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Avenir Next", "Segoe UI", Candara, "Gill Sans", sans-serif;
  line-height: 1.65;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(15, 110, 86, 0.14), transparent 55%),
    radial-gradient(ellipse 70% 45% at 100% 0%, rgba(70, 110, 160, 0.12), transparent 50%),
    linear-gradient(165deg, #eef3f8 0%, #f7f9fc 45%, #e8eef5 100%);
}

.page {
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3rem 0 4rem;
}

.header {
  margin-bottom: 2.5rem;
  padding: 2rem 2rem 1.75rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.brand {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.header h1 {
  margin: 0 0 0.75rem;
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  font-size: clamp(1.85rem, 5vw, 2.45rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

.content {
  padding: 0.5rem 0.25rem 0;
}

.intro {
  margin: 0 0 2rem;
  font-size: 1.08rem;
  color: var(--ink);
}

section {
  margin-bottom: 2rem;
  padding-top: 0.25rem;
  border-top: 1px solid var(--line);
}

section:first-of-type {
  border-top: none;
  padding-top: 0;
}

h2 {
  margin: 1.5rem 0 0.75rem;
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
}

p {
  margin: 0 0 1rem;
  color: #2c3648;
  font-size: 1rem;
}

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

.footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  text-align: center;
}

.footer p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

@media (max-width: 600px) {
  .page {
    width: min(100% - 1.25rem, 720px);
    padding: 1.5rem 0 3rem;
  }

  .header {
    padding: 1.5rem 1.25rem 1.35rem;
    border-radius: 14px;
  }

  .intro,
  p {
    font-size: 0.98rem;
  }

  h2 {
    font-size: 1.2rem;
  }
}