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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #f8f9fa;
  color: #333;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}

.hero {
  max-width: 720px;
  width: 100%;
  text-align: center;
}

.logo {
  width: 88px;
  height: 88px;
  margin-bottom: 1.5rem;
}

.error-code {
  font-size: 1.1rem;
  font-weight: 600;
  color: #ff6633;
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.15rem;
  color: #666;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.legal {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  padding: 1.75rem 2rem;
  text-align: left;
  margin-bottom: 1.5rem;
}

.legal h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: #333;
  margin-bottom: 0.5rem;
}

.legal h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ff6633;
  margin: 1rem 0 0.25rem;
}

.legal h3:first-of-type {
  margin-top: 0.5rem;
}

.legal p {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.6;
}

.legal a {
  color: #ff6633;
  text-decoration: none;
  font-weight: 500;
}

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

footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.85rem;
  color: #999;
}

footer a {
  color: inherit;
  text-decoration: none;
}

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

@media (prefers-color-scheme: dark) {
  body {
    background-color: #1a1a1e;
    color: #e8e8ea;
  }

  .hero h1 {
    color: #e8e8ea;
  }

  .hero p {
    color: #a0a0a8;
  }

  .legal {
    background: #24242a;
    box-shadow: 0 1px 3px rgba(0,0,0,0.4);
  }

  .legal h2 {
    color: #e8e8ea;
  }

  .legal p {
    color: #a0a0a8;
  }

  .legal a {
    color: #ff7a50;
  }

  footer {
    color: #7a7a84;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1.05rem;
  }
}