:root {
  --ink: #1a2333;
  --muted: #5b6575;
  --faint: #8a93a3;
  --border: #e3e7ee;
  --page-bg: #f3f6f8;
  --accent: #0d9488;
  --accent-dark: #0b7d72;
  --accent-wash: #e6f5f3;
}

* {
  box-sizing: border-box;
  margin: 0;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--page-bg);
  line-height: 1.6;
}

a {
  color: var(--accent-dark);
}

header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: inset 0 -3px 0 0 var(--accent-wash);
  padding: 18px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 760px;
  margin: 0 auto;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent-wash);
  color: var(--accent-dark);
  flex-shrink: 0;
}

.brand strong {
  font-size: 17px;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

h1 {
  font-size: 28px;
  margin-bottom: 10px;
}

h2 {
  font-size: 19px;
  margin: 32px 0 10px;
}

p {
  color: var(--muted);
  margin-bottom: 14px;
}

.tagline {
  font-size: 17px;
  color: var(--muted);
  margin-bottom: 24px;
}

.cta {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  margin: 8px 8px 8px 0;
}

.cta:hover {
  background: var(--accent-dark);
}

.cta.secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid #cdd4de;
}

.features {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  display: grid;
  gap: 12px;
}

.features li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--ink);
}

.features li span {
  display: block;
  color: var(--muted);
  font-size: 14px;
  margin-top: 4px;
}

.disclaimer {
  font-size: 13px;
  color: var(--faint);
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 32px;
}

footer {
  text-align: center;
  font-size: 12px;
  color: var(--faint);
  padding: 24px;
}

ul.plain {
  color: var(--muted);
  padding-left: 20px;
  margin-bottom: 14px;
}

ul.plain li {
  margin-bottom: 6px;
}