/* Custom CSS для VPN сервиса */

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    margin-bottom: 2rem;
}

.display-4 {
    font-weight: 700;
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.125rem;
    margin: 0.5rem;
}

.feature-card {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    margin: 1rem 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tariff-card {
    border: 2px solid var(--light-color);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    margin: 1rem 0;
}

.tariff-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.tariff-price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.tariff-duration {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.status-badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.status-active {
    background-color: var(--success-color);
    color: white;
}

.status-expired {
    background-color: var(--danger-color);
    color: white;
}

.status-pending {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #004085;
}

.alert-custom {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.5rem;
}

footer {
    margin-top: auto;
}

@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1rem;
    }
    
    .btn-lg {
        padding: 0.5rem 1.5rem;
        font-size: 1rem;
    }
}