:root {
  color-scheme: light;
  --ink: #171b24;
  --muted: #65707b;
  --line: #dce7e5;
  --mint: #31c7b5;
  --mint-soft: #dff8f4;
  --coral: #ff8767;
  --amber: #ffb44f;
  --blue: #687ef1;
  --surface: #ffffff;
  --background: #f4faf9;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--background);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

a {
  color: #087f73;
  font-weight: 650;
  text-underline-offset: 3px;
}

a:hover {
  color: #055f57;
}

.site-header {
  width: 100%;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.nav {
  max-width: 980px;
  min-height: 72px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-size: 19px;
  font-weight: 800;
}

.brand img {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  box-shadow: 0 7px 18px rgba(23, 27, 36, 0.12);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links a {
  color: var(--ink);
  font-size: 15px;
  text-decoration: none;
}

.hero {
  width: 100%;
  padding: 70px 24px 58px;
  background: var(--mint-soft);
  border-bottom: 1px solid var(--line);
}

.hero-inner,
.content,
.footer-inner {
  max-width: 820px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 8px;
  color: #087f73;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(38px, 7vw, 62px);
  font-weight: 850;
}

.hero p {
  max-width: 670px;
  margin: 18px 0 0;
  color: #48545f;
  font-size: 20px;
}

.content {
  padding: 54px 24px 72px;
}

.content section + section {
  margin-top: 52px;
  padding-top: 46px;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 14px;
  font-size: 29px;
  font-weight: 800;
}

h3 {
  margin: 26px 0 8px;
  font-size: 19px;
  font-weight: 800;
}

p,
ul {
  margin-top: 0;
}

ul {
  padding-left: 24px;
}

li + li {
  margin-top: 7px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.button {
  min-height: 46px;
  padding: 10px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
}

.button.secondary {
  border-color: #b9ceca;
  background: var(--surface);
  color: var(--ink);
}

.panel {
  margin-top: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.panel strong {
  display: block;
  margin-bottom: 4px;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.fact {
  min-height: 112px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.fact .label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  text-transform: uppercase;
}

.fact p {
  margin: 7px 0 0;
  font-weight: 700;
}

details {
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

details:first-of-type {
  border-top: 1px solid var(--line);
}

summary {
  cursor: pointer;
  font-weight: 800;
}

details p {
  margin: 12px 0 0;
  color: #4f5a65;
}

.updated {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer-inner {
  padding: 28px 24px 38px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 650px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding-top: 52px;
  }

  .hero p {
    font-size: 18px;
  }

  .fact-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }
}
