:root {
  --color-primary: #406fe5;
  --color-sage: #a8bfa6;
  --color-background: #f7f8f6;
  --color-card: #ffffff;
  --color-text-primary: #1f2937;
  --color-text-secondary: #6b7280;
  --color-border: #e5e7eb;
  --shadow-soft: 0 12px 30px rgba(31, 41, 55, 0.08);
  --radius-card: 20px;
  --radius-button: 16px;
  --radius-input: 12px;
  --content-max: 1100px;
  --content-narrow: 720px;
  --space-page: 24px;
  --space-section: 80px;
  --space-content: 24px;
  --header-height: 64px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--color-background);
  color: var(--color-text-primary);
  font-size: 18px;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-page);
}

.content-narrow {
  width: 100%;
  max-width: var(--content-narrow);
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  min-height: var(--header-height);
  background: rgba(247, 248, 246, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo {
  display: block;
  width: auto;
  height: 25.6px;
  max-width: 136px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav a {
  color: var(--color-text-secondary);
  font-size: 16px;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--color-text-primary);
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.button {
  border: 0;
  border-radius: var(--radius-button);
  padding: 12px 20px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 8px 16px rgba(64, 111, 229, 0.24);
}

/* Header CTA: match React home (`rounded-xl px-4 py-2 text-sm font-medium shadow-soft`) */
a.header-cta.button-primary {
  padding: 8px 16px;
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 500;
  border-radius: 12px;
  box-shadow: 0 18px 50px rgba(44, 72, 132, 0.1);
  transition: opacity 0.15s ease;
}

a.header-cta.button-primary:hover {
  opacity: 0.95;
  transform: none;
}

.button-secondary {
  background: var(--color-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

main {
  flex: 1;
}

.hero {
  padding: var(--space-section) 0 56px;
}

.hero-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: clamp(28px, 4vw, 44px);
  box-shadow: var(--shadow-soft);
}

h1,
h2,
h3 {
  margin: 0 0 14px;
  line-height: 1.25;
}

h1 {
  font-size: clamp(34px, 5vw, 48px);
  font-weight: 600;
}

h2 {
  font-size: clamp(24px, 3vw, 28px);
  font-weight: 600;
}

h3 {
  font-size: 20px;
  font-weight: 600;
}

p {
  margin: 0 0 16px;
  color: var(--color-text-secondary);
}

.lead {
  font-size: 19px;
}

.section {
  padding: 0 0 var(--space-section);
}

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(12, 1fr);
}

.card {
  grid-column: span 4;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.card p:last-child {
  margin-bottom: 0;
}

.policy-wrap {
  padding: calc(var(--header-height) + 56px) 0 var(--space-section);
}

.policy-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: clamp(24px, 3.4vw, 36px);
  box-shadow: var(--shadow-soft);
}

.policy-card-transparent {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.policy-card-left {
  max-width: var(--content-narrow);
  margin-left: 0;
  margin-right: auto;
}

.policy-meta {
  color: var(--color-text-secondary);
  font-size: 14px;
}

.policy-card section + section {
  margin-top: 26px;
}

.policy-card ul {
  margin: 0 0 16px 20px;
  padding: 0;
  color: var(--color-text-secondary);
}

.policy-card li + li {
  margin-top: 8px;
}

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

.site-footer-inner {
  padding-top: 60px;
  padding-bottom: 60px;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 460px;
}

.footer-title {
  margin: 0;
  color: var(--color-text-primary);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.footer-tagline {
  margin: 8px 0 0;
  color: var(--color-text-secondary);
  font-size: 15px;
}

.footer-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
  color: var(--color-text-primary);
  font-size: 15px;
}

.footer-nav a {
  color: var(--color-text-secondary);
}

.footer-nav a:hover,
.footer-nav a.is-active {
  color: var(--color-primary);
}

.footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-top: 18px;
}

.footer-copy {
  margin: 0;
  color: var(--color-text-primary);
  font-size: 14px;
  white-space: nowrap;
}

.footer-disclaimer {
  margin: 0;
  max-width: 700px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

@media (max-width: 900px) {
  .card {
    grid-column: span 6;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 17px;
  }

  .site-nav {
    display: none;
  }

  .hero {
    padding-top: 42px;
  }

  .card {
    grid-column: span 12;
  }

  .site-footer-inner {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .footer-main,
  .footer-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-nav {
    justify-content: flex-start;
    gap: 12px 16px;
  }
}