/* Echo Protocol site - brand palette from store_art/README.md (cyan #37D6EF, ink #04060C). */
:root {
  --bg: #f5f8fb;
  --surface: #ffffff;
  --text: #0f2740;
  --muted: #4d6378;
  --accent: #0b7f95;
  --rule: #d9e3ec;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #04060c;
    --surface: #0b1522;
    --text: #e4eef5;
    --muted: #93a7b8;
    --accent: #37d6ef;
    --rule: #1c2c3d;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding-inline: 20px;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  border-top: 4px solid var(--accent);
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding-block: 48px 72px;
}

a { color: var(--accent); text-underline-offset: 2px; overflow-wrap: anywhere; }

.kicker {
  margin: 0 0 4px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.kicker a { text-decoration: none; }

h1 { margin: 0 0 8px; font-size: 2.3rem; line-height: 1.15; }
h2 {
  margin: 44px 0 12px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-size: 1.35rem;
}
h3 { margin: 28px 0 6px; font-size: 1.05rem; }

.meta { color: var(--muted); margin-top: 0; }

ul { padding-left: 1.3em; }
li { margin: 4px 0; }

.summary {
  margin: 28px 0;
  padding: 4px 22px 8px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
}
.summary h2 { margin-top: 14px; padding-top: 0; border-top: 0; }

.links { list-style: none; padding: 0; }
.links li { margin: 10px 0; }