:root {
    --primary: #3498db;
    --secondary: #2ecc71;
    --warning: #e74c3c;
    --light: #ecf0f1;
    --dark: #2c3e50;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding-top: 76px;
    background-color: #f8f9fa;
    color: #333;
}

.hero-section {
    background: linear-gradient(135deg, #3498db, #2ecc71);
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.robot-icon {
    font-size: 8rem;
    color: rgba(255, 255, 255, 0.8);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.step {
    display: flex;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    font-weight: bold;
    margin-right: 1rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.list-with-icons {
    list-style-type: none;
    padding-left: 0;
}

.list-with-icons li {
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
}

.list-with-icons li:before {
    content: "✓";
    color: var(--secondary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.list-with-icons.warning li:before {
    content: "⚠";
    color: var(--warning);
}

.alert-custom {
    border-left: 4px solid;
    border-radius: 0.375rem;
}

.alert-warning-custom {
    border-left-color: var(--warning);
    background-color: #ffeaa7;
}

.alert-info-custom {
    border-left-color: var(--primary);
    background-color: #d6eaf8;
}

.alert-success-custom {
    border-left-color: var(--secondary);
    background-color: #d5f4e6;
}

.navbar-nav .nav-link.active {
    font-weight: bold;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

@media (max-width: 768px) {
    .robot-icon {
        font-size: 5rem;
    }
    
    .display-4 {
        font-size: 2.2rem;
    }
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}