:root {
  --bg: #e8eef2;
  --bg-deep: #d5e0e8;
  --ink: #132028;
  --muted: #4a5c66;
  --line: #b7c5ce;
  --card: #f7fafc;
  --accent: #1f5f74;
  --max: 42rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #c5d9e4 0%, transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

a:hover {
  text-decoration-thickness: 2px;
}

.wrap {
  width: min(100% - 2rem, 52rem);
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
  font-size: 0.95rem;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: 0 12px 40px rgba(19, 32, 40, 0.06);
}

h1 {
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 0.5rem;
}

h2 {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 0.65rem;
}

.meta {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 1.5rem;
}

.lead {
  font-size: 1.12rem;
  max-width: var(--max);
}

p,
ul {
  max-width: var(--max);
}

ul {
  padding-left: 1.2rem;
}

li {
  margin: 0.35rem 0;
}

.riot-note {
  margin-top: 2rem;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--accent);
  background: #eef5f8;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: none;
}

.site-footer {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #f4f8fa;
  text-decoration: none;
  font-size: 0.95rem;
}

.btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
}

.btn-ghost:hover {
  color: #fff;
}