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

html {
    height: 100%;
    width: 100%;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    text-align: center;
    padding: 2rem 1rem;
    color: white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

section {
    background: white;
    margin: 2rem 0;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.hero {
    text-align: center;
    background: linear-gradient(45deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.hero h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-section {
    margin-top: 2rem;
}

.cta-button {
    display: inline-block;
    background: #4CAF50;
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.cta-button:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.table-container {
    overflow-x: auto;
    margin-top: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover {
    background-color: #f5f5f5;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.feature-card {
    background: linear-gradient(45deg, #a8edea 0%, #fed6e3 100%);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h4 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.tips ul {
    list-style: none;
    padding-left: 0;
}

.tips li {
    background: #f8f9fa;
    margin: 1rem 0;
    padding: 1rem;
    border-left: 4px solid #4CAF50;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.tips li:hover {
    background: #e9ecef;
    transform: translateX(10px);
}

.modes-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.mode-card {
    background: linear-gradient(45deg, #ffecd2 0%, #fcb69f 100%);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 2px solid transparent;
}

.mode-card:hover {
    transform: scale(1.05);
    border-color: #ff6b6b;
}

.mode-card h4 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

footer {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 2rem;
}

footer a {
    color: #4CAF50;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #45a049;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    main {
        padding: 1rem;
    }
    
    section {
        padding: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .modes-container {
        grid-template-columns: 1fr;
    }
    
    table {
        font-size: 0.9rem;
    }
    
    th, td {
        padding: 0.7rem;
    }
}

/* Animation for loading */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    animation: fadeInUp 0.8s ease-out;
}