/* ====================================
   CSS VARIABLES & DESIGN TOKENS
   ==================================== */
:root {
    /* Brand Colors derived from logo */
    --dark-blue: #003399;
    --dark-blue-hover: #002266;
    --cyan: #00aadd;
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
}

body {
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
}

/* ====================================
   CUSTOM UTILITIES & HOVERS
   ==================================== */
.transition-all {
    transition: all 0.3s ease;
}

.hover-shadow:hover {
    transform: translateY(-2px);
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.15)!important;
}

.hover-text-primary:hover {
    color: var(--dark-blue) !important;
}

.hover-text-white:hover {
    color: #fff !important;
}

.custom-link:hover {
    color: var(--cyan) !important;
}

.nav-hover {
    position: relative;
    padding: 10px 0;
}

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

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

.nav-hover:hover,
.nav-hover.active {
    color: var(--cyan) !important;
}

.dropdown:hover .dropdown-menu {
    display: block;
    animation: fadeInUp 0.2s ease;
}

.dropdown-hover:hover {
    background-color: #f8f9fa;
    color: var(--cyan);
    padding-left: 20px;
    transition: all 0.2s ease;
}

.social-hover:hover {
    background-color: var(--cyan) !important;
    border-color: var(--cyan) !important;
    color: #fff !important;
    transform: translateY(-3px);
}

.footer-link:hover {
    color: var(--cyan) !important;
    padding-left: 5px;
}

.tracking-wide {
    letter-spacing: 1px;
}

/* ====================================
   SIDE ACTION BUTTONS
   ==================================== */
.side-action-btn {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background: var(--dark-blue);
    color: #fff;
    padding: 15px 10px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-weight: 600;
    letter-spacing: 1px;
    z-index: 999;
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.15);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: 0.3s ease;
    text-decoration: none;
}

.side-action-btn i {
    transform: rotate(90deg);
}

.side-action-btn.left-btn {
    left: 0;
    border-radius: 0 6px 6px 0;
}

.side-action-btn.right-btn {
    right: 0;
    background: var(--cyan);
    border-radius: 6px 0 0 6px;
    transform: translateY(-50%) rotate(180deg);
}

.side-action-btn.right-btn i {
    transform: rotate(270deg);
}

.side-action-btn:hover {
    background-color: var(--dark-blue-hover);
    color: #fff;
    padding: 20px 10px;
}

/* ====================================
   HERO ANIMATIONS
   ==================================== */
.swiper-slide-active .animate-up {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.custom-nav-btn {
    cursor: pointer;
    transition: all 0.3s ease;
}
.custom-nav-btn:hover {
    background-color: var(--cyan) !important;
}
.custom-nav-btn::after {
    font-size: 20px;
    font-weight: bold;
}

/* ====================================
   CARDS & COMPONENTS
   ==================================== */
.category-card:hover {
    transform: translateY(-5px);
    border-color: var(--cyan) !important;
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.15)!important;
}

.category-card:hover .cat-icon {
    background: var(--cyan) !important;
    color: #fff !important;
}

.category-card:hover h3 {
    color: var(--dark-blue) !important;
}

.cat-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 170, 221, 0.1);
    color: var(--cyan);
}

.course-card-hover:hover {
    transform: translateY(-10px);
    box-shadow: 0 1rem 3rem rgba(0,0,0,.175)!important;
}

.course-card-hover:hover .course-img {
    transform: scale(1.05);
}

/* ====================================
   COURSES PAGE SPECIFIC
   ==================================== */
.price-slider {
    width: 100%;
    accent-color: var(--cyan);
}

/* Customize Checkbox */
.form-check-input:checked {
    background-color: var(--cyan);
    border-color: var(--cyan);
}

.form-check-input:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 0.25rem rgba(0, 170, 221, 0.25);
}

/* Pagination */
.page-link {
    color: #6c757d;
}
.page-link:hover {
    background-color: var(--cyan);
    color: #fff;
    border-color: var(--cyan);
}
.page-link:focus {
    box-shadow: none;
}

.hide-scrollbar::-webkit-scrollbar { display: none; }
.hide-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* ====================================
   BOOTSTRAP OVERRIDES FOR BRAND
   ==================================== */
.bg-primary { background-color: var(--dark-blue) !important; }
.text-primary { color: var(--dark-blue) !important; }
.border-primary { border-color: var(--dark-blue) !important; }
.btn-primary { 
    background-color: var(--dark-blue) !important; 
    border-color: var(--dark-blue) !important; 
}
.btn-primary:hover {
    background-color: var(--dark-blue-hover) !important;
    border-color: var(--dark-blue-hover) !important;
}

.bg-info { background-color: var(--cyan) !important; }
.text-info { color: var(--cyan) !important; }
.border-info { border-color: var(--cyan) !important; }
.btn-info { 
    background-color: var(--cyan) !important; 
    border-color: var(--cyan) !important; 
    color: white !important;
}
.btn-info:hover {
    background-color: var(--cyan-hover) !important;
    border-color: var(--cyan-hover) !important;
    color: white !important;
}

.btn-outline-primary {
    color: var(--dark-blue) !important;
    border-color: var(--dark-blue) !important;
}
.btn-outline-primary:hover {
    background-color: var(--dark-blue) !important;
    color: white !important;
}

/* Footer Dark Blue */
.bg-brand-dark {
    background-color: #001a4d !important;
}

:root {
    --brand-dark: #001a4d;
}
.bg-brand-dark {
    background-color: var(--brand-dark) !important;
}