:root {
  --bg-color: #ffffff;
  --text-main: #333333;
  --text-muted: #666666;
  --border-color: #e5e7eb;
  --accent-color: #2563eb;
  --accent-hover: #1d4ed8;
  --bg-subtle: #f9fafb;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

header {
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  padding: 48px 0;
  margin-bottom: 48px;
  text-align: center;
}

header h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 8px;
  letter-spacing: -0.025em;
}

header .meta {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Navigation */
nav {
  text-align: center;
  margin-top: 24px;
}

nav a {
  display: inline-block;
  margin: 0 12px;
  color: var(--text-muted);
  font-weight: 500;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

nav a:hover,
nav a.active {
  color: var(--text-main);
}

main {
  flex: 1;
  padding-bottom: 64px;
}

section {
  margin-bottom: 40px;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 8px;
  margin-top: 24px;
}

p {
  margin-bottom: 16px;
  color: #4b5563;
}

strong {
  color: #111827;
  font-weight: 600;
}

ul {
  margin-bottom: 16px;
  padding-left: 24px;
  color: #4b5563;
}

ul li {
  margin-bottom: 8px;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.faq-item {
  margin-bottom: 28px;
}

.faq-item h3 {
  margin-top: 0;
}

.faq-item p {
  margin-bottom: 0;
}

.contact-box {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px 32px;
  margin-top: 48px;
}

.contact-box h2 {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 12px;
}

footer {
  border-top: 1px solid var(--border-color);
  padding: 32px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: auto;
}

/* Mobile Responsive Adjustments */
@media (max-width: 640px) {
  header {
    padding: 32px 0;
    margin-bottom: 32px;
  }

  header h1 {
    font-size: 1.875rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .contact-box {
    padding: 20px;
  }
}