/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #DE2910 0%, #FFDE00 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 20px;
    padding: 60px 40px;
    max-width: 600px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
    animation: fadeIn 0.8s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.flag-icon {
    margin-bottom: 30px;
}

.icon {
    width: 80px;
    height: 80px;
    color: #DE2910;
    stroke-width: 1.5;
}

.greeting {
    font-size: 48px;
    font-weight: bold;
    color: #DE2910;
    margin-bottom: 10px;
}

.greeting-en {
    font-size: 32px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

.message {
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.6;
}

.features {
    display: flex;
    justify-content: space-around;
    margin-bottom: 40px;
    gap: 20px;
}

.feature {
    flex: 1;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 40px;
    height: 40px;
    color: #FFDE00;
    stroke-width: 2;
    margin-bottom: 10px;
}

.feature p {
    font-size: 16px;
    color: #333;
    font-weight: 500;
}

.btn {
    background: linear-gradient(135deg, #DE2910 0%, #c41e0a 100%);
    color: white;
    border: none;
    padding: 16px 32px;
    font-size: 18px;
    border-radius: 50px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    font-weight: 600;
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(222, 41, 16, 0.3);
}

.btn:active {
    transform: scale(0.98);
}

.btn-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.dynamic-message {
    margin-top: 30px;
    font-size: 20px;
    color: #DE2910;
    font-weight: 600;
    min-height: 30px;
    animation: slideIn 0.5s ease-in;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 40px 30px;
    }
    
    .greeting {
        font-size: 36px;
    }
    
    .greeting-en {
        font-size: 24px;
    }
    
    .features {
        flex-direction: column;
    }
    
    .icon {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 30px 20px;
    }
    
    .greeting {
        font-size: 28px;
    }
    
    .greeting-en {
        font-size: 20px;
    }
    
    .btn {
        padding: 14px 28px;
        font-size: 16px;
    }
}