/* Typography & Custom Variables */
:root {
    --primary: #0a66c2;
    --accent: #ff7a00;
}

body {
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .font-mont {
    font-family: 'Montserrat', sans-serif;
}

/* Background Patterns */
.tech-grid {
    background-image: linear-gradient(to right, #0a66c2 1px, transparent 1px),
                      linear-gradient(to bottom, #0a66c2 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, black 70%, transparent 100%);
}

/* Navigation Utilities */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Filter Buttons */
.filter-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s;
    border: 1px solid #e2e8f0;
    background: white;
    color: #64748b;
}

.filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(10, 102, 194, 0.2);
}

.filter-btn:hover:not(.active) {
    border-color: var(--primary);
    color: var(--primary);
}

/* Card Hover Effects */
.course-card {
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Page Transitions */
.animate-fade-in {
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
/* Course Section */
.course-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    padding: 40px 20px;
}

/* Course Card */
.course-card {
    width: 300px;
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: 0.3s ease;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.course-card h3 {
    margin-bottom: 10px;
    color: #333;
}

.course-desc {
    font-size: 14px;
    color: #555;
    margin-bottom: 15px;
}

.course-card ul {
    padding-left: 18px;
    margin-bottom: 15px;
}

.course-card ul li {
    font-size: 14px;
    margin-bottom: 5px;
}

/* Enroll Button */
.enroll-btn {
    width: 100%;
    padding: 10px;
    background: #4f46e5;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
}

.enroll-btn:hover {
    background: #3730a3;
}

/* Filter Buttons */
.filter-btn {
    padding: 8px 18px;
    border-radius: 20px;
    border: 1px solid #4f46e5;
    background: white;
    cursor: pointer;
    transition: 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
    background: #4f46e5;
    color: white;
}
/* Hide menu by default */
#mobile-menu {
    display: none;
    animation: slideDown 0.3s ease forwards;
}

/* Show menu */
#mobile-menu.show {
    display: block;
}

/* Slide animation */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile link styling */
#mobile-menu a {
    display: block;
    font-size: 18px;
    font-weight: 600;
    padding: 12px 0;
    color: #1e293b;
    transition: 0.3s;
}

#mobile-menu a:hover {
    color: #ff7a00;
    transform: scale(1.05);
}

/* Enroll Button */
#mobile-menu button {
    margin-top: 10px;
    background: #ff7a00;
    color: white;
    padding: 12px;
    border-radius: 10px;
    font-weight: bold;
    transition: 0.3s;
}

#mobile-menu button:hover {
    background: #e96c00;
    transform: translateY(-2px);
}
#menu-toggle{
    display:none;
}

@media (max-width: 767px){
#menu-toggle{
    display:block;
}
    

}