/* Root Variables */
:root {
    /* Primary Colors */
    --primary-color: #2C5282;    /* Deep Blue - Trust & Education */
    --secondary-color: #4299E1;  /* Bright Blue - Knowledge */
    --accent-color: #48BB78;     /* Green - Growth */
    
    /* Supporting Colors */
    --dark-color: #1A365D;       /* Navy Blue - Authority */
    --light-color: #EBF8FF;      /* Light Blue - Clarity */
    --text-color: #2D3748;       /* Dark Gray - Readability */
    --white-color: #ffffff;      /* Pure White */
    
    /* Gradients */
    --primary-gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --accent-gradient: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    
    /* Effects */
    --transition: all 0.3s ease;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --box-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius: 12px;
}

/* Top Bar Styles */
.top-bar {
    background: var(--primary-gradient);
    padding: 8px 0;
    font-size: 14px;
    color: var(--white-color);
}

.top-bar-info ul {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 20px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-bar-item i {
    color: var(--light-color);
    font-size: 14px;
}

.top-bar-item a {
    color: var(--white-color);
    text-decoration: none;
    transition: var(--transition);
}

.top-bar-item a:hover {
    color: var(--light-color);
}

.top-bar-right {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    color: var(--white-color);
    font-size: 14px;
    transition: var(--transition);
    opacity: 0.9;
}

.social-link:hover {
    color: var(--white-color);
    opacity: 1;
    transform: translateY(-2px);
}

.auth-links {
    display: flex;
    gap: 15px;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    padding-left: 15px;
}

.auth-link {
    color: var(--white-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
    opacity: 0.9;
}

.auth-link:hover {
    color: var(--white-color);
    opacity: 1;
}

/* Main Header Styles */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white-color);
    z-index: 999;
    transition: all 0.3s ease;
    transform: translateY(-100%);
    box-shadow: none;
}

.main-header.initial {
    position: relative;
    transform: translateY(0);
}

.main-header.sticky {
    position: fixed;
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    animation: slideDown 0.5s ease-in-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.navbar {
    padding: 15px 0;
}

.logo {
    height: 50px;
    width: auto;
    transition: var(--transition);
}

.scrolled .logo {
    height: 45px;
}

/* Navigation Styles */
.navbar-nav {
    margin-left: auto;
    margin-right: auto;
    gap: 10px;
}

.nav-item {
    position: relative;
    margin: 0 5px;
}

.nav-link {
    color: var(--text-color);
    font-weight: 500;
    padding: 8px 15px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover,
.nav-link:focus,
.nav-item.active .nav-link {
    color: var(--primary-color);
}

.nav-link i {
    margin-right: 5px;
    font-size: 14px;
    color: var(--primary-color);
}

/* Dropdown Styles */
.dropdown-menu {
    border: none;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    padding: 15px;
    min-width: 200px;
    margin-top: 10px;
    display: block;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-content {
    min-width: 600px;
    padding: 15px;
}

.menu-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.menu-title i {
    font-size: 20px;
    color: var(--primary-color);
}

.menu-title h5 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.dropdown-item {
    padding: 8px 15px;
    color: var(--text-color);
    transition: var(--transition);
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dropdown-item i {
    font-size: 12px;
    color: var(--primary-color);
    transition: var(--transition);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: var(--light-color);
    color: var(--primary-color);
    transform: translateX(5px);
}

.dropdown-item:hover i {
    transform: translateX(3px);
}

/* Mobile Menu Styles */
.navbar-toggler {
    border: none;
    padding: 0;
    width: 40px;
    height: 40px;
    position: relative;
    border-radius: var(--border-radius);
    background: var(--light-color);
}

.navbar-toggler:focus {
    box-shadow: none;
    background: var(--light-color);
}

.navbar-toggler-icon {
    background-image: none;
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
    display: inline-block;
    vertical-align: middle;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.navbar-toggler-icon::before {
    top: -6px;
}

.navbar-toggler-icon::after {
    bottom: -6px;
}

.navbar-toggler[aria-expanded="true"] {
    background: var(--light-color);
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
    background: transparent;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* Apply Button Styles */
.nav-buttons {
    margin-left: 20px;
}

.apply-btn {
    padding: 12px 25px;
    border-radius: 30px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    background: var(--primary-gradient);
    border: none;
    color: var(--white-color);
}

.apply-btn i {
    transition: var(--transition);
}

.apply-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
    background: var(--accent-gradient);
    color: var(--white-color);
}

.apply-btn:hover i {
    transform: translateX(5px);
}

/* Responsive Styles */
@media (max-width: 991px) {
    .top-bar {
        padding: 10px 0;
    }

    .top-bar-info ul {
        justify-content: center;
        margin-bottom: 10px;
    }

    .top-bar-right {
        justify-content: center;
        flex-wrap: wrap;
    }

    .nav-buttons {
        margin: 15px 0;
        text-align: center;
        width: 100%;
    }

    .navbar-collapse {
        background: var(--white-color);
        padding: 20px;
        border-radius: var(--border-radius);
        margin-top: 10px;
        box-shadow: var(--box-shadow);
    }

    .apply-btn {
        width: 100%;
        justify-content: center;
    }

    .mega-menu-content {
        min-width: auto;
    }

    .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: none;
        margin-top: 0;
        background: var(--light-color);
        box-shadow: none;
    }

    .nav-link {
        padding: 12px 15px;
    }

    .menu-title {
        margin-top: 15px;
    }
}

@media (max-width: 767px) {
    .top-bar {
        font-size: 12px;
        padding: 8px 0;
    }

    .top-bar-info ul {
        flex-direction: column;
        gap: 8px;
        align-items: center;
    }

    .top-bar-item {
        text-align: center;
        justify-content: center;
    }

    .auth-links {
        border: none;
        padding: 0;
        margin-top: 10px;
        width: 100%;
        justify-content: center;
    }

    .social-links {
        width: 100%;
        justify-content: center;
    }

    .logo {
        height: 40px;
    }

    .scrolled .logo {
        height: 35px;
    }

    .navbar-toggler {
        width: 35px;
        height: 35px;
    }
}

/* Animation for Mobile Menu */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.navbar-collapse.show {
    animation: slideDown 0.3s ease forwards;
} 
}