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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #333;
  background: #fff;
}

/* Hero + Nav */
.hero {
  width: 100%;
  height: 240px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  position: relative;
  z-index: 1;
}

.nav-brand {
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 400;
}

.nav-links a:hover {
  opacity: 0.8;
}

.nav-button {
  background: #222;
  color: #fff;
  padding: 8px 20px;
  border-radius: 4px;
  font-size: 0.9rem;
  text-decoration: none;
}

.nav-button:hover {
  background: #444;
}

/* Tagline */
.tagline {
  max-width: 520px;
  margin: 48px 0 0 40px;
  padding: 28px 32px;
  background: #f5f5f5;
  border-radius: 12px;
  font-size: 1rem;
  line-height: 1.6;
  color: #333;
}

/* Main content */
main {
  padding: 0;
}

/* Responsive */
@media (max-width: 640px) {
  .hero {
    height: 180px;
  }

  .nav {
    padding: 16px 20px;
  }

  .nav-links {
    gap: 16px;
  }

  .tagline {
    margin: 32px 20px 0;
  }
}