/* Custom styles */
 body {
    font-family: 'Inter', sans-serif;
    background-color: #f0f0f0;
}
.bg-gradient-custom {
    background: linear-gradient(to right, #4CAF50, #81C784);
}
.text-shadow-md {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}
.interactive-card {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
    padding: 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 30px;
}
.interactive-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}
.info-icon {
    content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke-width='2' stroke='currentColor' class='w-6 h-6 text-green-600'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z'%3E%3C/path%3E%3C/svg%3E");
}
.device-card {
    background-color: #e8f5e9;
    border-radius: 10px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 20px;
}
.device-card:hover {
    background-color: #f1f7ed;
    transform: translateX(4px) scale(1.01);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.arch-section {
    background-color: #f0f4c3;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.arch-section:hover {
    background-color: #f4f8d4;
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.sim-section {
    background-color: #d1f4fa;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    border: 1px solid transparent;
}
.sim-section:hover {
    background-color: #e0f7fa;
    border-color: #00bcd4;
}
.strong-text {
    font-weight: 600;
    color: #2e7d32;
}
p {
    margin-bottom: 16px;
    line-height: 1.7;
}
ul li {
    margin-bottom: 8px;
}
h2 {
    margin-bottom: 20px;
}
h3 {
    margin-bottom: 16px;
}
.lang-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 5px;
    display: flex;
    cursor: pointer;
    z-index: 10;
}
.lang-option {
    padding: 5px 10px;
    border-radius: 15px;
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
}
.lang-option.active {
    background: white;
    color: #4CAF50;
}
.french {
    display: none;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Scroll arrows */
.scroll-arrow {
    position: fixed;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: #4CAF50;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
}

.scroll-arrow.top {
    bottom: 80px;
}

.scroll-arrow.bottom {
    bottom: 20px;
}

.scroll-arrow.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-arrow:hover {
    background-color: #3e8e41;
    transform: scale(1.1);
}

.scroll-arrow svg {
    width: 24px;
    height: 24px;
}

/* Mobile-specific styles */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
        padding: 0.5rem;
    }
    
    nav li {
        margin: 0.25rem;
    }
    
    nav a {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
    
    .interactive-card {
        padding: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .grid-cols-1 {
        grid-template-columns: 1fr;
    }
    
    .grid-cols-2 {
        grid-template-columns: 1fr;
    }
    
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }
    
    .device-card {
        padding: 0.75rem;
        gap: 0.75rem;
    }
    
    pre {
        font-size: 0.8rem;
        padding: 0.75rem;
        overflow-x: auto;
    }
    
    .scroll-arrow {
        width: 40px;
        height: 40px;
        right: 15px;
    }
    
    .scroll-arrow.top {
        bottom: 70px;
    }
    
    .scroll-arrow svg {
        width: 20px;
        height: 20px;
    }
}

/* Image modal styles */
#imageModal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

#imageModal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    background: white;
    padding: 1rem;
    border-radius: 0.5rem;
}

.close-modal {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 2rem;
    cursor: pointer;
}

#modalImage {
    max-width: 100%;
    max-height: 80vh;
    display: block;
    margin: 0 auto;
}

#modalCaption {
    text-align: center;
    margin-top: 0.5rem;
    font-weight: 600;
    color: #333;
}