*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #0B6E4F;
  --accent: #00D67E;
  --dark: #0A1F1A;
  --mid: #134E3A;
  --light: #E8FFF5;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #333;
  background: #fff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Nav */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem;
  width: 100%;
}

.logo {
  font-size: 1.25rem;
  letter-spacing: 0.08em;
}

.logo-ivy {
  font-weight: 300;
  color: var(--dark);
}

.logo-xon {
  font-weight: 700;
  color: var(--primary);
}

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

.nav-links a {
  color: #666;
  text-decoration: none;
  font-size: 0.875rem;
}

.nav-links a:hover {
  color: var(--primary);
}

/* Hero */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero {
  text-align: center;
  padding: 2rem 1.5rem;
}

.hero-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 3rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.ivy {
  font-weight: 300;
  color: var(--dark);
}

.xon {
  font-weight: 700;
  color: var(--primary);
}

.tagline {
  color: var(--primary);
  font-size: 1.125rem;
  letter-spacing: 0.2em;
  margin-bottom: 2rem;
}

.description {
  color: #999;
  font-size: 1rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem 1.5rem;
  border-top: 1px solid #eee;
  color: #999;
  font-size: 0.8125rem;
}

.footer-links {
  margin-top: 0.5rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.footer-links a {
  color: #999;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--primary);
}

/* Content pages (privacy, support) */
.content {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  flex: 1;
}

.content h1 {
  font-size: 1.75rem;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.content .updated {
  color: #999;
  font-size: 0.8125rem;
  margin-bottom: 2rem;
}

.content h2 {
  font-size: 1.125rem;
  color: var(--dark);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.content p,
.content ul {
  line-height: 1.8;
  margin-bottom: 1rem;
  color: #555;
}

.content ul {
  padding-left: 1.5rem;
}

.content a {
  color: var(--primary);
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 2rem;
  }

  .tagline {
    font-size: 0.9375rem;
  }
}