/* Global Styles */
:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --secondary: #7209b7;
    --success: #4cc9f0;
    --danger: #f72585;
    --warning: #f8961e;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

.mock-test-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.btn i {
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(67, 97, 238, 0.3);
}

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

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

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-xl {
    padding: 20px 40px;
    font-size: 18px;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

/* Cards */
.feature-card, .category-card, .test-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
}

.feature-card:hover, .category-card:hover, .test-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 30px;
    color: white;
}

/* Grids */
.features-grid, .test-categories, .recommended-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

/* Hero Section */
.mt-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    padding: 80px 0;
}

.mt-hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mt-hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 30px;
}

.mt-hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.floating-cards {
    position: relative;
    height: 400px;
}

.card {
    position: absolute;
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
    text-align: center;
    width: 150px;
}

.card i {
    font-size: 40px;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card-1 {
    top: 0;
    left: 0;
    animation: float 6s ease-in-out infinite;
}

.card-2 {
    top: 50%;
    right: 0;
    animation: float 6s ease-in-out infinite 2s;
}

.card-3 {
    bottom: 0;
    left: 30%;
    animation: float 6s ease-in-out infinite 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Stats Section */
.mt-stats {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--border-radius);
    padding: 60px 40px;
    margin: 80px 0;
    color: white;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* CTA Section */
.mt-cta {
    text-align: center;
    padding: 80px 20px;
    background: white;
    border-radius: var(--border-radius);
    margin: 80px 0;
    box-shadow: var(--box-shadow);
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive */
@media (max-width: 992px) {
    .mt-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .mt-hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .floating-cards {
        height: 300px;
        margin-top: 50px;
    }
}

@media (max-width: 768px) {
    .mock-test-container {
        padding: 10px;
    }
    
    .mt-hero {
        padding: 40px 0;
    }
    
    .features-grid, .test-categories {
        grid-template-columns: 1fr;
    }
    
    .mt-hero-buttons {
        flex-direction: column;
    }
    
    .btn-lg, .btn-xl {
        width: 100%;
    }
}