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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --text: #1f2937;
  --text-light: #6b7280;
  --bg: #ffffff;
  --bg-alt: #f9fafb;
  --border: #e5e7eb;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.logo:hover {
  text-decoration: none;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

nav a {
  color: var(--text);
  font-weight: 500;
}

/* Hero */
.hero {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(135deg, #eff6ff 0%, #f9fafb 100%);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--text);
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about {
  padding: 80px 0;
  background: var(--bg);
}

.about h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  text-align: center;
}

.about p {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  color: var(--text-light);
  font-size: 1.1rem;
}

/* Apps Grid */
.apps {
  padding: 80px 0;
  background: var(--bg-alt);
}

.apps h2 {
  font-size: 2rem;
  margin-bottom: 40px;
  text-align: center;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.app-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 30px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.app-card:hover {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.app-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.app-card h3 a {
  color: var(--text);
}

.app-card p {
  color: var(--text-light);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.app-links {
  display: flex;
  gap: 15px;
}

.app-links a {
  font-size: 0.875rem;
}

/* Page Header */
.page-header {
  padding: 60px 0;
  background: linear-gradient(135deg, #eff6ff 0%, #f9fafb 100%);
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.page-header .breadcrumb {
  color: var(--text-light);
}

.page-header .breadcrumb a {
  color: var(--primary);
}

/* Content */
.content {
  padding: 60px 0;
  max-width: 800px;
  margin: 0 auto;
}

.content h2 {
  font-size: 1.5rem;
  margin: 40px 0 15px;
  color: var(--text);
}

.content h3 {
  font-size: 1.25rem;
  margin: 30px 0 10px;
  color: var(--text);
}

.content h4 {
  font-size: 1.1rem;
  margin: 20px 0 10px;
  color: var(--text);
}

.content p {
  margin-bottom: 15px;
  color: var(--text);
}

.content ul, .content ol {
  margin: 15px 0;
  padding-left: 30px;
}

.content li {
  margin-bottom: 8px;
}

.content strong {
  color: var(--text);
}

.effective-date {
  color: var(--text-light);
  font-style: italic;
  margin-bottom: 30px;
}

/* App Page */
.app-page {
  padding: 60px 0;
}

.app-info {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.app-info p {
  color: var(--text-light);
  font-size: 1.1rem;
  margin-bottom: 30px;
}

.app-info .links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  background: var(--primary);
  color: white;
  border-radius: 8px;
  font-weight: 500;
  transition: background 0.2s;
}

.btn:hover {
  background: var(--primary-dark);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

/* Footer */
footer {
  background: var(--text);
  color: white;
  padding: 40px 0;
  text-align: center;
}

footer p {
  color: #9ca3af;
  margin-bottom: 10px;
}

footer a {
  color: #93c5fd;
}

/* Responsive */
@media (max-width: 768px) {
  header .container {
    flex-direction: column;
    gap: 15px;
  }

  nav ul {
    gap: 20px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .page-header h1 {
    font-size: 1.75rem;
  }
}