:root {
    --primary-color: #ff6b6b;
    --secondary-color: #4ecdc4;
    --dark-color: #2c3e50;
    --light-color: #f7f9fc;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 480px;
}

.card {
    background: white;
    border-radius: 24px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.logo-container {
    margin-bottom: 24px;
}

.app-icon {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    object-fit: cover;
}

.app-title {
    color: var(--dark-color);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.app-description {
    color: #7f8c8d;
    font-size: 16px;
    margin-bottom: 32px;
    line-height: 1.5;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

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

.btn-android {
    background: linear-gradient(to right, #3ddc84, #2a9d5d);
}

.btn-ios {
    background: linear-gradient(to right, #000000, #434343);
}

.btn i {
    font-size: 32px;
    margin-right: 16px;
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn-small {
    font-size: 10px;
    opacity: 0.9;
    text-transform: uppercase;
}

.btn-large {
    font-size: 20px;
    font-weight: 600;
}

.footer {
    margin-top: 40px;
    color: #bdc3c7;
    font-size: 12px;
}

@media (max-width: 480px) {
    .card {
        padding: 30px 20px;
    }
    
    .app-icon {
        width: 100px;
        height: 100px;
    }
    
    .app-title {
        font-size: 24px;
    }
}

.ios-instructions {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 16px;
    margin-top: 8px;
    text-align: left;
    font-size: 13px;
    color: #555;
    line-height: 1.6;
}

.ios-instructions i.fa-info-circle {
    color: #007bff;
    margin-right: 4px;
}

.udid-link {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    margin-top: 4px;
}

.udid-link:hover {
    text-decoration: underline;
}