:root {
  --bg: #EAF1ED;
  --card: #FFFFFF;
  --text: #1a1f1d;
  --text-secondary: #5f6b65;
  --accent: #0C8169;
  --hairline: #d7e0db;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141817;
    --card: #1E2422;
    --text: #e9edeb;
    --text-secondary: #9aa8a2;
    --accent: #34C8A6;
    --hairline: #2c3531;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, system-ui, sans-serif;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 44px 20px 96px; }

.card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 26px 26px 30px;
  margin-top: 22px;
}

h1 { font-size: 1.9rem; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 6px; }
h2 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; margin: 34px 0 8px; }
h3 { font-size: 1.02rem; font-weight: 700; margin: 22px 0 4px; }

p, li { color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.eyebrow { color: var(--accent); font-weight: 700; font-size: 0.82rem; letter-spacing: 0.02em; margin: 0 0 4px; }
.meta { color: var(--text-secondary); font-size: 0.92rem; margin: 2px 0; }
.muted { color: var(--text-secondary); }
.lede { font-size: 1.1rem; }
ul { padding-left: 1.2em; }
li { margin: 4px 0; }
.sig { font-style: italic; color: var(--text-secondary); margin-top: 14px; }

nav.top { margin-bottom: 8px; }
nav.top a { margin-right: 20px; font-weight: 600; }

.hero { text-align: center; padding-top: 16px; }
.hero img { width: 200px; height: auto; margin: 0 auto 8px; }
.hero h1 { margin-top: 8px; }
.hero .lede { max-width: 560px; margin: 10px auto 26px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 1.02rem;
  padding: 14px 28px;
  border-radius: 999px;
  text-decoration: none;
}
.btn:hover { text-decoration: none; opacity: 0.92; }
@media (prefers-color-scheme: dark) { .btn { color: #07120f; } }

hr { border: none; border-top: 1px solid var(--hairline); margin: 30px 0; }

footer { margin-top: 44px; color: var(--text-secondary); font-size: 0.85rem; }
footer a { color: var(--text-secondary); text-decoration: underline; }