:root {
  --font-family: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --text-color: #111827;
  --muted-color: #4b5563;
  --background-color: #f9fafb;
  --card-background: #ffffff;
  --accent-color: #6366f1;
  --accent-color-dark: #4f46e5;
  --border-color: rgba(99, 102, 241, 0.1);
  --radius: 18px;
  --max-width: 960px;
  --transition: 150ms ease-in-out;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  background-color: var(--background-color);
  color: var(--text-color);
}

body {
  margin: 0;
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

a {
  color: var(--accent-color);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

a:focus-visible,
.button:focus-visible {
  outline: 3px solid rgba(99, 102, 241, 0.4);
  outline-offset: 2px;
}

main {
  width: min(100% - 3rem, var(--max-width));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 3rem, var(--max-width));
  margin: 2.5rem auto 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--text-color);
}

.logo-mark {
  display: grid;
  place-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-color-dark));
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.08em;
}

.logo-type {
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.hero {
  padding: 4rem 0 3rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: 1.25rem;
}

h1 {
  font-size: clamp(2.75rem, 5vw, 3.75rem);
  line-height: 1.1;
  margin: 0 0 1.5rem;
}

.lead {
  font-size: 1.25rem;
  max-width: 38ch;
  color: var(--muted-color);
  margin-bottom: 2rem;
}

.cta-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 24rem;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-color-dark));
  color: #fff;
  box-shadow: 0 20px 35px rgba(99, 102, 241, 0.25);
}

.button.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 40px rgba(99, 102, 241, 0.3);
}

.button.secondary {
  background-color: #fff;
  color: var(--accent-color);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.button.secondary:hover {
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

.button.link {
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  font-size: 0.95rem;
  border: 1px solid rgba(99, 102, 241, 0.2);
  background-color: #fff;
  color: var(--accent-color);
}

.button.link:hover {
  border-color: rgba(99, 102, 241, 0.35);
}

.cta-note {
  font-size: 0.95rem;
  color: var(--muted-color);
}

.section {
  margin: 4rem 0;
}

.section h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: 1.5rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.feature-list li {
  background-color: var(--card-background);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.04);
}

.highlight {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(99, 102, 241, 0.02));
  border-radius: calc(var(--radius) * 1.2);
  padding: 3rem;
}

.highlight-content {
  display: grid;
  gap: 1rem;
  max-width: 50ch;
}

.highlight p {
  margin: 0;
  color: var(--muted-color);
  font-size: 1.1rem;
}

.highlight .muted {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-footer {
  margin: 5rem auto 2.5rem;
  width: min(100% - 3rem, var(--max-width));
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  padding-top: 2rem;
  color: var(--muted-color);
  display: grid;
  gap: 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links a {
  font-weight: 500;
}

.legal {
  margin: 0;
  font-size: 0.95rem;
}

.footnote {
  margin: 0;
  font-size: 0.85rem;
}

@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .hero {
    padding-top: 3rem;
  }

  main {
    width: min(100% - 2.5rem, var(--max-width));
  }

  .highlight {
    padding: 2rem;
  }
}

@media (max-width: 480px) {
  body {
    line-height: 1.7;
  }

  .logo {
    flex-direction: row;
  }

  .feature-list li {
    padding: 1rem 1.2rem;
  }

  .cta-group {
    width: 100%;
  }
}