:root {
    --primary-color: #6c5ce7;
    --secondary-color: #a29bfe;
    --accent-color: #fd79a8;
    --dark-color: #2d3436;
    --light-color: #f5f6fa;
    --success-color: #00b894;
    --warning-color: #fdcb6e;
    --danger-color: #d63031;
    --text-color: #2d3436;
    --text-light: #636e72;
    --max-width: 1200px;
    --border-radius: 12px;
    --box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}
  
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
  
body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--light-color);
    color: var(--text-color);
    line-height: 1.6;
}
  
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}
 
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}
  
h1 {
    font-size: 2.5rem;
}
  
h2 {
    font-size: 2rem;
}
  
h3 {
    font-size: 1.5rem;
}
  
p {
    margin-bottom: 1rem;
}
  
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}
  
a:hover {
    color: var(--accent-color);
}

.button {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}
  
.button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}
  
.button.secondary {
    background-color: var(--accent-color);
}
  
.button.secondary:hover {
    background-color: #ff8fab;
}
 
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}
  
nav ul {
    display: flex;
    list-style: none;
    justify-content: center;
    gap: 2rem;
    padding: 1.5rem 0;
}
  
nav a {
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}
  
nav a.active {
    background-color: var(--primary-color);
    color: white;
}

footer {
    background-color: var(--dark-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-top: 3rem;
}

.text-center {
    text-align: center;
}
  
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
  

.skip-link {
    position: absolute;
    left: -999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    z-index: -1000;
}
  
.skip-link:focus {
    position: static;
    width: auto;
    height: auto;
    padding: 0.5rem 1rem;
    margin: 1rem;
    background-color: var(--primary-color);
    color: white;
    z-index: 1000;
    border-radius: var(--border-radius);
}