:root {
  --primary-color: #CE1815;
  --primary-hover: #b01411;
  --bg-color: #FAFAFA;
  --accent-soft: #FFEBEB;
  --text-main: #2C3E50;
  --text-light: #5A6A7D;
  --white: #FFFFFF;
  --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 15px rgba(206, 24, 21, 0.1);
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
}

/* Header & Navigation */
header {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--text-main);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-light);
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary-color);
}

/* Main Content Area */
main {
  max-width: 900px;
  margin: 3rem auto;
  padding: 0 2rem;
  min-height: calc(100vh - 200px);
}

.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, var(--white) 0%, var(--accent-soft) 100%);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 3rem;
}

.hero h1 {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Document Cards */
.document {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.document h1 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--accent-soft);
  padding-bottom: 0.5rem;
}

.document h2 {
  color: var(--text-main);
  margin: 2rem 0 1rem;
}

.document p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

.document ul {
  margin-bottom: 1rem;
  padding-left: 2rem;
  color: var(--text-light);
}

.document li {
  margin-bottom: 0.5rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  background-color: var(--white);
  color: var(--text-light);
  border-top: 1px solid var(--accent-soft);
  margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .document {
    padding: 1.5rem;
  }
}