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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  background: #1c1c1c;
  color: #f2ede8;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
  line-height: 1.6;
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

nav {
  padding: 2.5rem 3rem;
}

.nav-mark {
  height: 48px;
  width: 48px;
  border-radius: 8px;
}

.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 3rem 0;
}

.hero h1 {
  font-weight: 600;
  font-size: 2.25rem;
  line-height: 1.3;
  max-width: 820px;
  letter-spacing: -0.02em;
  color: #f2ede8;
}

.hero .subtitle {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: #8a8480;
  max-width: 640px;
  line-height: 1.8;
}

.cta {
  display: inline-block;
  margin-top: 2.5rem;
  padding: 0.75rem 1.75rem;
  background: #d4622a;
  color: #f2ede8;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 4px;
  letter-spacing: 0.03em;
  transition: opacity 0.15s ease;
}

.cta:hover {
  opacity: 0.85;
}

footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 3rem;
}

footer p {
  font-size: 0.7rem;
  color: #5a5550;
  letter-spacing: 0.02em;
}

@media (max-width: 768px) {
  nav {
    padding: 1.5rem 1.5rem;
  }

  .hero {
    padding: 2rem 1.5rem 0;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero .subtitle {
    font-size: 0.85rem;
  }
}