:root {
  color-scheme: light;
  --bg: #f5eee3;
  --paper: rgba(255, 251, 246, 0.92);
  --ink: #1f1a17;
  --muted: #6d6257;
  --line: rgba(103, 77, 54, 0.14);
  --accent: #1f6a63;
  --shadow: 0 20px 50px rgba(73, 53, 39, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(
      circle at top left,
      rgba(255, 255, 255, 0.7),
      transparent 34%
    ),
    linear-gradient(180deg, #f8f2e9 0%, var(--bg) 100%);
}

main {
  width: min(860px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.hero {
  padding: 32px 24px 26px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(31, 106, 99, 0.1), rgba(255, 255, 255, 0)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.65), rgba(255, 255, 255, 0.3));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(31, 106, 99, 0.08);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  letter-spacing: -0.02em;
}

h1 {
  margin: 18px 0 12px;
  font-size: clamp(32px, 5vw, 46px);
  line-height: 1.05;
}

h2 {
  margin: 0 0 14px;
  font-size: 24px;
  line-height: 1.18;
}

.summary,
.meta,
p,
li {
  font-size: 16px;
  line-height: 1.72;
}

.summary,
.meta {
  color: var(--muted);
}

.meta {
  margin-top: 14px;
}

.content {
  padding: 8px 24px 30px;
}

.section {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.section:last-child {
  border-bottom: 0;
  padding-bottom: 8px;
}

p {
  margin: 0 0 14px;
}

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

ul {
  margin: 0;
  padding-left: 20px;
}

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

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

footer {
  padding: 0 24px 28px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

@media (max-width: 640px) {
  main {
    width: min(100vw - 20px, 860px);
    padding-top: 16px;
    padding-bottom: 24px;
  }

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

  .section {
    padding-top: 20px;
    padding-bottom: 20px;
  }
}