/* ============================================================
   Bhairav Education — LearnHub-Inspired Frontend
   Bootstrap 5.3 + Tabler Icons + Custom Overrides
   ============================================================ */

:root {
    --be-primary:     #1d3b8e;
    --be-primary-rgb: 29, 59, 142;
    --be-secondary:   #0cbc87;
    --be-accent:      #f7c32e;
    --be-dark:        #0f172a;
    --be-light:       #f0f4ff;
    --be-body:        #6b7280;
    --be-border:      #e5e7eb;
    --be-card-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.06);
    --be-lift-shadow: 0 0.5rem 1.5rem rgba(29,59,142,0.15);
    --be-radius:      0.75rem;
    --be-radius-lg:   1rem;
    --be-transition:  all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Global ── */
body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--be-dark);
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: 'Plus Jakarta Sans', 'DM Sans', sans-serif;
    font-weight: 700;
    color: var(--be-dark);
}

a {
    color: var(--be-primary);
    text-decoration: none;
    transition: var(--be-transition);
}

a:hover {
    color: var(--be-secondary);
}

.text-primary { color: var(--be-primary) !important; }
.text-secondary { color: var(--be-secondary) !important; }
.bg-primary { background: var(--be-primary) !important; }
.bg-secondary { background: var(--be-secondary) !important; }
.bg-light-primary { background: rgba(var(--be-primary-rgb), 0.08) !important; }

/* ── Buttons ── */
.btn-primary {
    background: var(--be-primary);
    border-color: var(--be-primary);
    border-radius: 0.5rem;
    font-weight: 600;
    padding: 0.625rem 1.5rem;
    transition: var(--be-transition);
}
.btn-primary:hover {
    background: #162e72;
    border-color: #162e72;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--be-primary-rgb), 0.3);
}

.btn-secondary {
    background: var(--be-secondary);
    border-color: var(--be-secondary);
    color: #fff;
    border-radius: 0.5rem;
    font-weight: 600;
    padding: 0.625rem 1.5rem;
    transition: var(--be-transition);
}
.btn-secondary:hover {
    background: #0aa076;
    border-color: #0aa076;
    color: #fff;
    transform: translateY(-2px);
}

.btn-outline-primary {
    border-color: var(--be-primary);
    color: var(--be-primary);
    border-radius: 0.5rem;
    font-weight: 600;
    padding: 0.625rem 1.5rem;
    transition: var(--be-transition);
}
.btn-outline-primary:hover {
    background: var(--be-primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-white {
    background: #fff;
    color: var(--be-primary);
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    padding: 0.625rem 1.5rem;
    transition: var(--be-transition);
}
.btn-white:hover {
    background: #f0f4ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* ── Cards ── */
.card {
    border: 1px solid var(--be-border);
    border-radius: var(--be-radius);
    box-shadow: var(--be-card-shadow);
    transition: var(--be-transition);
    overflow: hidden;
}

.card-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--be-lift-shadow);
    border-color: rgba(var(--be-primary-rgb), 0.2);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
}

/* ── Navbar ── */
.navbar-be {
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    padding: 0.75rem 0;
    transition: var(--be-transition);
    z-index: 1030;
}

.navbar-be.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.navbar-be .nav-link {
    color: var(--be-dark);
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem;
    transition: var(--be-transition);
    font-size: 0.95rem;
}

.navbar-be .nav-link:hover,
.navbar-be .nav-link.active {
    color: var(--be-primary);
    background: rgba(var(--be-primary-rgb), 0.06);
}

.navbar-brand img {
    height: 44px;
}

/* ── Hero Slider ── */
.hero-section {
    position: relative;
    overflow: hidden;
    min-height: 520px;
    background: linear-gradient(135deg, var(--be-dark) 0%, var(--be-primary) 100%);
}

.hero-slide {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
}

.hero-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,0.85) 0%, rgba(29,59,142,0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 640px;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 1.25rem;
}

.hero-content p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
}

/* ── Stats Section ── */
.stats-section {
    margin-top: -60px;
    position: relative;
    z-index: 10;
}

.stat-card {
    background: #fff;
    border-radius: var(--be-radius);
    padding: 1.75rem;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border: 1px solid rgba(var(--be-primary-rgb), 0.06);
    transition: var(--be-transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--be-lift-shadow);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    font-size: 1.5rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--be-dark);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--be-body);
    font-weight: 500;
}

/* ── Section Headings ── */
.section-heading {
    margin-bottom: 2.5rem;
}

.section-heading .badge-label {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: rgba(var(--be-primary-rgb), 0.08);
    color: var(--be-primary);
    padding: 0.35rem 0.875rem;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.75rem;
}

.section-heading h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.section-heading p {
    color: var(--be-body);
    font-size: 1.05rem;
    max-width: 560px;
}

/* ── Course Card ── */
.course-card .card-body {
    padding: 1.25rem;
}

.course-card .course-category {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(var(--be-primary-rgb), 0.08);
    color: var(--be-primary);
    margin-bottom: 0.625rem;
}

.course-card .course-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.course-card .course-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.825rem;
    color: var(--be-body);
    margin-bottom: 0.75rem;
}

.course-card .course-meta i {
    font-size: 1rem;
    color: var(--be-primary);
    margin-right: 0.25rem;
}

.course-card .course-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.75rem;
    border-top: 1px solid var(--be-border);
}

.course-price {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--be-primary);
}

/* ── Testimonials ── */
.testimonial-card {
    background: #fff;
    border-radius: var(--be-radius);
    padding: 2rem;
    height: 100%;
    border: 1px solid var(--be-border);
    transition: var(--be-transition);
    position: relative;
}

.testimonial-card:hover {
    border-color: rgba(var(--be-primary-rgb), 0.2);
    box-shadow: var(--be-lift-shadow);
    transform: translateY(-4px);
}

.testimonial-card .quote-icon {
    font-size: 2.5rem;
    color: rgba(var(--be-primary-rgb), 0.12);
    line-height: 1;
    margin-bottom: 0.75rem;
}

.testimonial-card .testimonial-text {
    font-size: 0.95rem;
    color: var(--be-body);
    line-height: 1.7;
    margin-bottom: 1.25rem;
    font-style: italic;
}

.testimonial-card .testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.testimonial-card .author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--be-border);
}

.testimonial-card .author-name {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0;
}

.testimonial-card .author-role {
    font-size: 0.8rem;
    color: var(--be-body);
}

/* ── Notice Card ── */
.notice-card {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--be-radius);
    border: 1px solid var(--be-border);
    transition: var(--be-transition);
    align-items: flex-start;
}

.notice-card:hover {
    border-color: rgba(var(--be-primary-rgb), 0.2);
    box-shadow: var(--be-lift-shadow);
    transform: translateY(-2px);
}

.notice-date-badge {
    min-width: 56px;
    text-align: center;
    background: rgba(var(--be-primary-rgb), 0.08);
    border-radius: 0.5rem;
    padding: 0.5rem;
    flex-shrink: 0;
}

.notice-date-badge .day {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--be-primary);
    line-height: 1;
}

.notice-date-badge .month {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--be-body);
    text-transform: uppercase;
}

/* ── CTA Section ── */
.cta-section {
    background: linear-gradient(135deg, var(--be-primary) 0%, #2748a0 50%, var(--be-dark) 100%);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255,255,255,0.04);
    top: -100px;
    right: -100px;
}

.cta-section::after {
    content: '';
    position: absolute;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: rgba(255,255,255,0.03);
    bottom: -80px;
    left: -50px;
}

/* ── Footer ── */
.footer-be {
    background: var(--be-dark);
    color: rgba(255,255,255,0.7);
    padding: 4rem 0 0;
}

.footer-be h5 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-be h5::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: var(--be-secondary);
    border-radius: 1px;
}

.footer-be a {
    color: rgba(255,255,255,0.65);
    transition: var(--be-transition);
}

.footer-be a:hover {
    color: var(--be-secondary);
    padding-left: 4px;
}

.footer-be .footer-links li {
    margin-bottom: 0.625rem;
}

.footer-be .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 1.25rem 0;
    margin-top: 3rem;
}

.footer-contact-item {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    align-items: flex-start;
}

.footer-contact-item i {
    color: var(--be-secondary);
    font-size: 1.15rem;
    margin-top: 0.15rem;
    flex-shrink: 0;
}

/* ── Gallery ── */
.gallery-item {
    border-radius: var(--be-radius);
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: var(--be-transition);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item .gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(var(--be-primary-rgb), 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--be-transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    font-size: 2rem;
    color: #fff;
}

/* ── Verify Section ── */
.verify-card {
    max-width: 640px;
    margin: 0 auto;
    padding: 3rem;
    background: #fff;
    border-radius: var(--be-radius-lg);
    box-shadow: 0 20px 60px rgba(0,0,0,0.06);
    border: 1px solid var(--be-border);
}

.verify-input {
    border: 2px solid var(--be-border);
    border-radius: 0.625rem;
    padding: 0.875rem 1.25rem;
    font-size: 1.05rem;
    font-weight: 500;
    transition: var(--be-transition);
}

.verify-input:focus {
    border-color: var(--be-primary);
    box-shadow: 0 0 0 4px rgba(var(--be-primary-rgb), 0.12);
}

/* ── Page Header / Breadcrumb ── */
.page-header-section {
    background: linear-gradient(135deg, var(--be-dark) 0%, var(--be-primary) 100%);
    padding: 4rem 0 3rem;
    position: relative;
    overflow: hidden;
}

.page-header-section::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,0.04);
    top: -100px;
    right: 5%;
}

.page-header-section h1 {
    color: #fff;
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.page-header-section .breadcrumb {
    background: none;
    padding: 0;
    margin: 0;
}

.page-header-section .breadcrumb-item a {
    color: rgba(255,255,255,0.7);
}

.page-header-section .breadcrumb-item.active {
    color: var(--be-secondary);
}

.page-header-section .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255,255,255,0.4);
}

/* ── Responsive ── */
@media (max-width: 991.98px) {
    .hero-content h1 { font-size: 2rem; }
    .hero-slide { min-height: 420px; }
    .stats-section { margin-top: -40px; }
}

@media (max-width: 575.98px) {
    .hero-content h1 { font-size: 1.6rem; }
    .hero-slide { min-height: 380px; }
    .section-heading h2 { font-size: 1.5rem; }
    .stat-card { padding: 1.25rem; }
    .stat-number { font-size: 1.5rem; }
    .verify-card { padding: 1.5rem; }
}

/* ── Animations ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* ── Swiper Custom ── */
.swiper-pagination-bullet {
    background: rgba(255,255,255,0.5);
    opacity: 1;
    width: 10px;
    height: 10px;
}

.swiper-pagination-bullet-active {
    background: var(--be-secondary);
    width: 28px;
    border-radius: 5px;
}

/* ── Filter Tabs ── */
.filter-tabs .nav-link {
    border: 1px solid var(--be-border);
    border-radius: 2rem;
    padding: 0.4rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--be-body);
    margin: 0.25rem;
    transition: var(--be-transition);
}

.filter-tabs .nav-link.active,
.filter-tabs .nav-link:hover {
    background: var(--be-primary);
    border-color: var(--be-primary);
    color: #fff;
}

/* ── Back to Top ── */
.btn-back-to-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--be-primary);
    color: #fff;
    border: none;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(var(--be-primary-rgb), 0.3);
    z-index: 999;
    transition: var(--be-transition);
    cursor: pointer;
}

.btn-back-to-top.show {
    display: flex;
}

.btn-back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(var(--be-primary-rgb), 0.4);
}