:root {
  --teal: #13afa4;
  --teal-dark: #0e8a81;
  --ink: #1d2b2a;
  --muted: #5d6b6a;
  --bg: #f4f8f8;
  --card: #ffffff;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--teal-dark); }
header.site {
  background: var(--teal);
  color: #fff;
}
header.site nav {
  max-width: 960px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
header.site nav a { color: #fff; text-decoration: none; font-weight: 600; }
header.site nav .brand { display: flex; align-items: center; gap: 10px; font-size: 1.15rem; }
header.site nav .brand img { width: 34px; height: 34px; border-radius: 8px; }
header.site nav .links { display: flex; gap: 18px; font-size: 0.95rem; }
.hero {
  background: var(--teal);
  color: #fff;
  text-align: center;
  padding: 40px 20px 64px;
}
.hero img.icon { width: 128px; height: 128px; border-radius: 28px; box-shadow: 0 8px 24px rgba(0,0,0,.18); }
.hero h1 { font-size: 2.1rem; line-height: 1.2; margin: 24px auto 12px; max-width: 640px; }
.hero p { font-size: 1.15rem; max-width: 620px; margin: 0 auto 26px; opacity: .95; }
.button {
  display: inline-block;
  background: #fff;
  color: var(--teal-dark);
  font-weight: 700;
  padding: 13px 26px;
  border-radius: 999px;
  text-decoration: none;
}
main { max-width: 960px; margin: 0 auto; padding: 0 20px 40px; }
section { margin: 44px 0; }
h2 { font-size: 1.55rem; margin: 0 0 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.card { background: var(--card); border-radius: 16px; padding: 20px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); }
.quote { font-style: italic; }
.quote span { display: block; margin-top: 8px; font-style: normal; color: var(--muted); font-size: .9rem; }
details { background: var(--card); border-radius: 12px; padding: 14px 18px; margin: 10px 0; box-shadow: 0 1px 3px rgba(0,0,0,.05); }
summary { font-weight: 600; cursor: pointer; }
details p { color: var(--muted); margin: 10px 0 0; }
.doc { background: var(--card); border-radius: 16px; padding: 28px; margin-top: 32px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.doc h1 { margin-top: 0; }
.doc h2 { font-size: 1.2rem; margin-top: 26px; }
footer.site { text-align: center; color: var(--muted); font-size: .9rem; padding: 26px 20px 40px; }
footer.site a { margin: 0 8px; }
@media (max-width: 560px) {
  header.site nav .links { gap: 12px; font-size: .9rem; }
  .hero h1 { font-size: 1.7rem; }
}