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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
  color: #e6e6e6;
  background-color: #0f1115;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 24px;
}

.container.narrow {
  max-width: 800px;
}

.hero {
  background: #0b0d12;
  border-bottom: 1px solid #1f2430;
}

.hero h1 {
  font-size: 3rem;
  letter-spacing: 1px;
}

.hero h2 {
  margin-top: 12px;
  font-weight: 400;
  color: #9fb0c3;
}

.hero-text {
  margin-top: 24px;
  max-width: 700px;
  font-size: 1.1rem;
}

.section {
  border-bottom: 1px solid #1f2430;
}

.section.alt {
  background: #121620;
}

h2 {
  margin-bottom: 32px;
  font-size: 2rem;
}

h3, h4 {
  margin-bottom: 12px;
  color: #ffffff;
}

p {
  margin-bottom: 16px;
  color: #cfd6df;
}

ul {
  list-style: none;
}

ul li {
  margin-bottom: 8px;
  padding-left: 14px;
  position: relative;
}

ul li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: #6fa3ff;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.emphasis {
  margin-top: 24px;
  font-style: italic;
  color: #9fb0c3;
}

.footer {
  background: #0b0d12;
  text-align: left;
}

.footer a {
  color: #6fa3ff;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

.footer-note {
  margin-top: 24px;
  font-size: 0.9rem;
  color: #8a93a3;
}

@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2.4rem;
  }
}