html, body {
  height: 100%;
  margin: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  color: #1f2937;
  background: #fff;
}

.header {
  background-color: #1a1a2e;
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-img {
  height: 32px;
  width: auto;
}

.hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
}

.hero-content {
  max-width: 640px;
}

.hero h1 {
  font-size: 3rem;
  margin: 0 0 0.5rem;
  font-weight: 800;
}

.tagline {
  font-size: 1.25rem;
  font-weight: 600;
  opacity: 0.9;
  margin: 0 0 1.5rem;
}

.message {
  font-size: 1.05rem;
  line-height: 1.6;
  opacity: 0.9;
  margin: 0 0 2rem;
}

.cta {
  display: inline-block;
  background: #fff;
  color: #1a1a2e;
  text-decoration: none;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  transition: opacity 0.2s;
}

.cta:hover {
  opacity: 0.85;
}

.footer {
  background-color: #1a1a2e;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  padding: 1.25rem;
  font-size: 0.85rem;
}