:root {
    --primary-color: #2c3e50;
    --secondary-color: #db3434ff;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
}

body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 80px 0;
    border-radius: 0 0 20px 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.ip-display {
    background-color: rgba(255,255,255,0.15);
    border-radius: 10px;
    padding: 15px;
    margin-top: 20px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.2);
}

.card-app {
    transition: transform 0.3s, box-shadow 0.3s;
    border-radius: 12px;
    overflow: hidden;
    border: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.08);
    height: 100%;
}

.card-app:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.12);
}

.card-app .card-body {
    padding: 1.5rem;
}

.app-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    font-size: 24px;
}

.links-section {
    background-color: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.08);
}

.link-item {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    transition: all 0.3s;
    border-left: 4px solid var(--secondary-color);
}

.link-item:hover {
    background-color: rgba(52, 152, 219, 0.1);
    transform: translateX(5px);
}

.section-title {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 25px;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

footer {
    background-color: var(--dark-color);
    color: white;
    padding: 30px 0;
    margin-top: 50px;
}

.logo-container {
    margin-bottom: 20px;
}

.logo-placeholder {
    width: 320px;
    height: 160px;
    object-fit: contain;
}

.hero-icon {
    font-size: 150px;
    opacity: 0.8;
}

/* Media Queries */
@media (max-width: 768px) {
    .hero-section {
        padding: 50px 0;
        border-radius: 0 0 15px 15px;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .logo-placeholder {
        width: 240px;
        height: 120px;
    }
    
    .hero-icon {
        font-size: 120px;
    }
    
    .ip-display {
        padding: 12px;
    }
}

@media (max-width: 576px) {
    .logo-placeholder {
        width: 200px;
        height: 100px;
    }
    
    .hero-icon {
        font-size: 100px;
    }
    
    .ip-display {
        padding: 10px;
    }
}