* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  color: #172033;
  background: #f5f7fb;
}

a {
  color: #2559d6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
}

.top-nav,
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.top-nav {
  padding: 24px 0;
}

.brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: #172033;
}

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

.hero,
.page-header {
  background: linear-gradient(180deg, #ffffff 0%, #eef3ff 100%);
  border-bottom: 1px solid #dde5f3;
}

.hero-copy,
.page-header {
  padding-bottom: 56px;
}

.eyebrow {
  margin: 8px 0 12px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #2559d6;
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  line-height: 1.2;
  color: #0f1728;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.lede {
  max-width: 760px;
  font-size: 1.1rem;
  color: #49566f;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
}

.button:hover {
  text-decoration: none;
}

.button.primary {
  color: #ffffff;
  background: #2559d6;
}

.button.primary:hover {
  background: #1f4ab4;
}

.button.secondary {
  color: #2559d6;
  background: #ffffff;
  border-color: #cdd8ee;
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: #edf2fb;
}

.grid {
  display: grid;
  gap: 20px;
}

.cards {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.two-up {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}

.card,
.note,
.faq-item,
.prose {
  background: #ffffff;
  border: 1px solid #dde5f3;
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(30, 41, 59, 0.05);
}

.feature-list {
  margin: 0;
  padding-left: 20px;
}

.feature-list li + li {
  margin-top: 10px;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.cta {
  text-align: center;
}

.site-footer {
  padding: 24px 0 48px;
}

.site-footer p {
  margin: 0;
  color: #5e6b84;
}

.prose p,
.prose li {
  color: #334155;
}

.prose h2 {
  margin-top: 28px;
}

@media (max-width: 640px) {
  .top-nav,
  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .section {
    padding: 56px 0;
  }
}