.app-description {
    text-align: center;
    margin-bottom: 24px;
}
.app-description h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    font-weight: 600;
}
.app-description p {
    font-size: 1rem;
    color: #444;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Container */
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    text-align: center;
}

/* Premium Card */
.premium-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 32px;
    padding: 60px 50px;
    max-width: 480px;
    width: 100%;
    box-shadow: 
        0 25px 80px rgba(0, 0, 0, 0.15),
        0 12px 40px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.premium-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    border-radius: 32px 32px 0 0;
}

.premium-card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 35px 120px rgba(0, 0, 0, 0.2),
        0 20px 60px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

/* Logo Container */
.logo-container {
    text-align: center;
    margin-bottom: 30px;
}

/* Logo */
.logo {
    width: 200px;
    height: auto;
    margin-bottom: 40px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

/* Download Section */
.download-section {
    margin: 30px 0;
}

.app-store-btn {
    display: inline-block;
    transition: transform 0.3s ease;
}

.app-store-btn:hover {
    transform: translateY(-2px);
}

.app-store-badge {
    height: 60px;
    width: auto;
    border-radius: 12px;
}

/* Footer */
.footer {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.contact {
    font-size: 0.875rem;
    color: rgba(0, 0, 0, 0.6);
    font-weight: 500;
}

.contact a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.contact a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

.contact a:hover {
    color: #764ba2;
}

.contact a:hover::after {
    width: 100%;
}

/* Background Animation */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
    z-index: 0;
}

@keyframes float {
    0%, 100% { transform: translateX(0px) translateY(0px) rotate(0deg); }
    33% { transform: translateX(30px) translateY(-30px) rotate(120deg); }
    66% { transform: translateX(-20px) translateY(20px) rotate(240deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .premium-card {
        padding: 40px 30px;
        border-radius: 24px;
        margin: 0 15px;
    }
    
    .logo {
        width: 150px;
    }
    
    .app-store-badge {
        height: 50px;
    }
    
    .footer {
        margin-top: 30px;
        padding-top: 25px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    .premium-card {
        padding: 30px 20px;
        border-radius: 20px;
        margin: 0 10px;
    }
    
    .logo {
        width: 120px;
        margin-bottom: 25px;
    }
    
    .download-section {
        margin: 20px 0;
    }
    
    .app-store-badge {
        height: 45px;
    }
    
    .footer {
        margin-top: 25px;
        padding-top: 20px;
    }
}