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

body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  color: #1b1b1b;
  background: #f6f6f3;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 8vw;
  background: #ffffff;
  border-bottom: 1px solid #e6e6e1;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.nav a {
  text-decoration: none;
  color: #1b1b1b;
  margin-left: 20px;
  font-size: 14px;
}

.hero {
  padding: 80px 8vw 60px;
  background: #ffffff;
}

.hero h1 {
  font-size: clamp(32px, 4vw, 52px);
  margin: 0 0 16px;
}

.hero p {
  max-width: 600px;
  font-size: 18px;
  line-height: 1.6;
  margin: 0 0 28px;
  color: #4a4a4a;
}

.actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn.primary {
  background: #1b1b1b;
  color: #ffffff;
}

.btn.ghost {
  border-color: #1b1b1b;
  color: #1b1b1b;
}

.section {
  padding: 60px 8vw;
}

.section h2 {
  margin: 0 0 24px;
  font-size: 28px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: #ffffff;
  padding: 24px;
  border-radius: 8px;
  border: 1px solid #e6e6e1;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: #4a4a4a;
  line-height: 1.6;
}

.section.alt {
  background: #ffffff;
  border-top: 1px solid #e6e6e1;
  border-bottom: 1px solid #e6e6e1;
}

.cta {
  padding: 50px 8vw;
  text-align: center;
  background: #1b1b1b;
  color: #ffffff;
}

.cta h2 {
  margin: 0 0 18px;
}

.site-footer {
  padding: 24px 8vw 40px;
  display: flex;
  justify-content: space-between;
  background: #ffffff;
  border-top: 1px solid #e6e6e1;
  color: #4a4a4a;
  font-size: 14px;
}

@media (max-width: 720px) {
  .nav {
    display: none;
  }

  .site-footer {
    flex-direction: column;
    gap: 6px;
  }
}