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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f8f9fa;
    color: #2d3436;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, #ffd700 0%, transparent 70%);
    opacity: 0.1;
    z-index: 0;
}

.container {
    width: 100%;
    max-width: 600px;
    margin: 20px;
    position: relative;
    z-index: 1;
}

.content {
    background: #ffffff;
    border-radius: 30px;
    padding: 30px 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 0%, rgba(255, 215, 0, 0.05) 100%);
    pointer-events: none;
}

.app-info {
    text-align: center;
    margin-bottom: 20px;
    position: relative;
}

.app-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-name {
    font-size: 42px;
    margin-bottom: 10px;
    color: #2d3436;
    font-weight: 800;
    letter-spacing: -2px;
    position: relative;
    display: inline-block;
}

.app-name::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #ffd700, #ffa500);
    border-radius: 2px;
}

.app-version {
    color: #7f8c8d;
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 500;
}

.app-description {
    color: #636e72;
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.download-section {
    text-align: center;
    margin-bottom: 20px;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
    max-width: 280px;
    margin: 0 auto;
}

.download-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 30px;
    border-radius: 24px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    width: 100%;
}

.download-button.primary {
    background: linear-gradient(45deg, #ffd700, #ffa500);
    color: #2d3436;
    box-shadow: 0 4px 15px rgba(255, 165, 0, 0.2);
}

.download-button.secondary {
    background: #f8f9fa;
    color: #2d3436;
    border: 1px solid rgba(255, 165, 0, 0.2);
}

.download-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    transition: 0.6s;
}

.download-button:hover {
    transform: translateY(-2px);
}

.download-button.primary:hover {
    box-shadow: 0 6px 20px rgba(255, 165, 0, 0.3);
}

.download-button.secondary:hover {
    background: #fff;
    border-color: rgba(255, 165, 0, 0.4);
}

.download-button:hover::before {
    left: 100%;
}

.download-icon {
    margin-right: 8px;
    font-size: 16px;
}

.download-tip {
    margin-top: 15px;
    color: #7f8c8d;
    font-size: 14px;
    font-weight: 500;
}

.features {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 20px;
    margin-bottom: 0;
    border: 1px solid rgba(255, 165, 0, 0.1);
}

.features h2 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #2d3436;
    font-weight: 700;
    text-align: center;
    position: relative;
}

.features h2::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, #ffd700, #ffa500);
    border-radius: 2px;
}

.features ul {
    list-style: none;
}

.features li {
    padding: 8px 0;
    color: #636e72;
    font-size: 15px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.features li:hover {
    transform: translateX(5px);
    color: #ffa500;
}

.contact {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.contact h2 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2d3436;
    font-weight: 700;
    position: relative;
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, #ffd700, #ffa500);
    border-radius: 2px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-info p {
    color: #636e72;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

@media (max-width: 480px) {
    .container {
        margin: 10px;
    }
    
    .content {
        padding: 25px 15px;
    }
    
    .app-name {
        font-size: 32px;
    }
    
    .app-description {
        font-size: 15px;
    }
    
    .download-buttons {
        max-width: 240px;
    }
    
    .download-button {
        height: 44px;
        font-size: 15px;
    }
    
    .features {
        padding: 15px;
    }
    
    .features h2 {
        font-size: 16px;
        margin-bottom: 12px;
    }
    
    .features li {
        font-size: 14px;
        padding: 6px 0;
    }
    
    .contact-info p {
        font-size: 14px;
    }
}