:root {
  --bg: #20232e;
  --bg-elev: #272b37;
  --border: #363b49;
  --cream: #ede6d8;
  --text: #c3c8d4;
  --muted: #8a90a0;
  --accent: #7ed99a;
  --accent-dim: #5bbf7a;
  --radius: 16px;
  --maxw: 720px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro",
    "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  text-align: center;
  padding: 88px 0 40px;
}

.logo {
  width: 128px;
  height: 128px;
  border-radius: 28px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
}

.wordmark {
  margin: 28px 0 8px;
  font-size: 52px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.tagline {
  margin: 0 auto;
  max-width: 460px;
  font-size: 21px;
  color: var(--text);
}

.badge {
  display: inline-block;
  margin-top: 24px;
  padding: 6px 16px;
  border: 1px solid var(--accent-dim);
  border-radius: 999px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Sections */
.section {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.section h2 {
  margin: 0 0 20px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.lead {
  margin: 0 0 24px;
  font-size: 19px;
  color: var(--text);
}

/* Feature cards */
.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.card h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 600;
  color: var(--cream);
}

.card p {
  margin: 0;
  font-size: 15.5px;
  color: var(--muted);
}

/* Lists */
.list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.list li {
  position: relative;
  padding: 8px 0 8px 30px;
}

.list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 15px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
}

.list strong {
  color: var(--cream);
  font-weight: 600;
}

/* Security emphasis */
.security {
  background: linear-gradient(180deg, rgba(126, 217, 154, 0.06), transparent);
}

.claim {
  margin: 0 0 24px;
  padding: 18px 22px;
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  background: rgba(126, 217, 154, 0.08);
  color: var(--cream);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Code */
code {
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.9em;
  color: var(--accent);
  background: rgba(126, 217, 154, 0.1);
  padding: 1px 6px;
  border-radius: 6px;
}

/* Contact */
.contact {
  text-align: center;
}

.button {
  display: inline-block;
  margin-top: 4px;
  padding: 14px 32px;
  background: var(--accent);
  color: #16241b;
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 12px;
  transition: background 0.15s ease, transform 0.15s ease;
}

.button:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
}

/* Footer */
.footer {
  max-width: var(--maxw);
  margin: 24px auto 0;
  padding: 32px 24px 56px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

.footer p {
  margin: 4px 0;
}

.footer .fine {
  color: var(--accent);
}

/* Responsive */
@media (max-width: 560px) {
  .hero {
    padding: 60px 0 32px;
  }
  .wordmark {
    font-size: 42px;
  }
  .tagline {
    font-size: 19px;
  }
  .cards {
    grid-template-columns: 1fr;
  }
}