/* ==========================================================================
   ECE DEPARTMENT WEBSITE - PROFESSIONAL LIGHT ACADEMIC CSS DESIGN SYSTEM
   ========================================================================== */

:root {
    --primary-navy: #0f2942;
    --primary-blue: #1e40af;
    --accent-gold: #b45309;
    --accent-amber: #d97706;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border-color: #cbd5e1;
    --border-light: #e2e8f0;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --hover-shadow: 0 10px 15px -3px rgba(15, 41, 66, 0.08), 0 4px 6px -2px rgba(15, 41, 66, 0.04);
    --font-heading: 'Outfit', 'Segoe UI', system-ui, sans-serif;
    --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Resets */
html {
    font-size: 18px; /* Globally scale base rem by 12.5% for high visibility */
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.8;
    font-size: 1.05rem; /* Scales body paragraphs to ~19px */
    font-weight: 450; /* Sharper readability weight */
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    color: var(--primary-navy);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   1. INSTITUTIONAL COLLEGE HEADER BANNER
   ========================================================================== */
.college-top-header {
    background-color: var(--bg-white);
    border-bottom: 2px solid var(--border-light);
    padding: 12px 0;
}

.college-banner-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.college-branding-group {
    display: flex;
    align-items: center;
    gap: 20px;
}

.college-logo-img {
    height: 72px;
    width: auto;
    object-fit: contain;
}

.college-title-block {
    display: flex;
    flex-direction: column;
}

.university-name {
    font-size: 0.95rem; /* Larger readability */
    font-weight: 700;
    color: #475569; /* Slate grey for high legibility */
    letter-spacing: 1px;
    text-transform: uppercase;
}

.department-title-main {
    font-family: var(--font-heading);
    font-size: 1.55rem; /* Larger readability */
    font-weight: 850;
    color: var(--primary-navy); /* Dark navy for high contrast */
    line-height: 1.25;
    margin-top: 2px;
}

.accreditation-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-gold);
    background-color: #fef3c7;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-top: 4px;
    width: fit-content;
}

.header-quick-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-contact-link {
    font-size: 0.78rem; /* Very small font size */
    font-weight: 700;
    color: var(--primary-navy);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #f1f5f9;
    border: 1px solid var(--border-light);
    padding: 6px 12px; /* Small padding */
    border-radius: 6px;
    transition: var(--transition);
}

.header-contact-link:hover {
    background: var(--primary-navy);
    color: #ffffff;
    border-color: var(--primary-navy);
    box-shadow: var(--card-shadow);
}

.btn-header-apply {
    background-color: var(--primary-navy);
    color: var(--bg-white);
    padding: 10px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.btn-header-apply:hover {
    background-color: var(--primary-blue);
    color: var(--bg-white);
}

/* Optional Full Horizontal College Banner Image Placeholder Container */
.college-horizontal-banner-img {
    width: 100%;
    height: auto;
    max-height: 90px;
    object-fit: cover;
    display: block;
}

/* ==========================================================================
   2. MAIN NAVIGATION BAR (9 TABS)
   ========================================================================== */
.main-navbar-sticky {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--primary-navy);
    box-shadow: 0 4px 12px rgba(15, 41, 66, 0.15);
}

.navbar-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-tabs-scroll-wrapper {
    position: relative;
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.nav-scroll-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background-color: var(--primary-navy);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    cursor: pointer;
    position: absolute;
    z-index: 10;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.nav-scroll-btn.visible {
    display: flex;
}

.nav-scroll-btn:hover {
    background-color: var(--accent-gold);
    border-color: var(--accent-gold);
}

.nav-scroll-btn.left {
    left: 4px;
}

.nav-scroll-btn.right {
    right: 4px;
}

.nav-tabs-list {
    display: flex;
    align-items: center;
    list-style: none;
    overflow-x: auto;
    scrollbar-width: none;
    scroll-behavior: smooth;
    padding: 0 32px; /* Pad ends for scroll arrow alignment */
    width: 100%;
}

.nav-tabs-list::-webkit-scrollbar {
    display: none;
}

.nav-tab-item {
    white-space: nowrap;
}

.nav-tab-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    font-family: var(--font-body);
    font-size: 1.02rem; /* Larger tabs visibility (~18.5px) */
    font-weight: 600; /* Bold font for legibility */
    color: #cbd5e1;
    border-bottom: 3.5px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.nav-tab-link:hover {
    color: var(--bg-white);
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-tab-link.active {
    color: var(--bg-white);
    font-weight: 600;
    border-bottom-color: var(--accent-gold);
    background-color: rgba(255, 255, 255, 0.08);
}

.nav-tab-icon {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* Global Search Bar in Header */
.nav-search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-search-input {
    background-color: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--bg-white);
    padding: 8px 14px 8px 36px;
    font-size: 0.85rem;
    border-radius: var(--radius-md);
    outline: none;
    width: 210px;
    transition: var(--transition);
}

.nav-search-input::placeholder {
    color: #94a3b8;
}

.nav-search-input:focus {
    width: 260px;
    background-color: var(--bg-white);
    color: var(--text-main);
    border-color: var(--bg-white);
}

.nav-search-icon {
    position: absolute;
    left: 12px;
    width: 14px;
    height: 14px;
    fill: #94a3b8;
    pointer-events: none;
}

.nav-search-input:focus ~ .nav-search-icon {
    fill: var(--text-muted);
}

/* ==========================================================================
   3. DYNAMIC HERO BANNER SECTION (PER TAB)
   ========================================================================== */
.section-hero-banner {
    position: relative;
    background-color: var(--primary-navy);
    background-size: cover;
    background-position: center;
    color: var(--bg-white);
    padding: 56px 24px;
    border-bottom: 4px solid var(--accent-gold);
    overflow: hidden;
    transition: var(--transition);
}



.section-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 41, 66, 0.92) 0%, rgba(30, 64, 175, 0.82) 100%);
    z-index: 1;
}

.section-hero-content {
    position: relative;
    z-index: 2;
    max-width: 1300px;
    margin: 0 auto;
}

.hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 500;
    color: #cbd5e1;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.hero-breadcrumb span {
    color: var(--accent-amber);
}

.hero-section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--bg-white);
    line-height: 1.25;
}

.hero-section-subtitle {
    font-size: 1.05rem;
    color: #e2e8f0;
    max-width: 850px;
    margin-top: 10px;
}

/* ==========================================================================
   4. MAIN CONTENT CONTAINER & SECTIONS
   ========================================================================== */
.main-wrapper {
    max-width: 1300px;
    margin: 36px auto 60px;
    padding: 0 24px;
}

.tab-section {
    display: none;
    animation: fadeIn 0.3s ease-in-out forwards;
}

.tab-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Section Header Typography */
.content-block-title {
    font-family: var(--font-heading);
    font-size: 1.65rem; /* Large content section title (~30px) */
    font-weight: 800; /* Extra bold */
    color: var(--primary-navy);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 2.5px solid var(--border-light);
    padding-bottom: 12px;
}

.content-block-title::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 22px;
    background-color: var(--primary-blue);
    border-radius: 2px;
}

/* ==========================================================================
   5. COMPONENT DESIGNS
   ========================================================================== */

/* Filter Bar & Category Controls */
.filter-controls-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    background-color: var(--bg-white);
    padding: 16px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--card-shadow);
    margin-bottom: 28px;
}

.filter-pills-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-filter-pill {
    background-color: var(--bg-light);
    border: 1px solid var(--border-light);
    color: var(--text-main);
    padding: 6px 14px;
    font-size: 0.82rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.btn-filter-pill:hover {
    background-color: #e2e8f0;
}

.btn-filter-pill.active {
    background-color: var(--primary-navy);
    color: var(--bg-white);
    border-color: var(--primary-navy);
    font-weight: 600;
}

/* Grid Layouts */
.grid-cards-3 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 24px;
}

.grid-cards-2 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
    gap: 24px;
}

/* Standard Card Design */
.academic-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--card-shadow);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

.academic-card:hover {
    box-shadow: var(--hover-shadow);
    transform: translateY(-2px);
    border-color: var(--border-color);
}

.card-header-badge {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.badge-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-blue);
    background-color: #eff6ff;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid #bfdbfe;
    text-transform: uppercase;
}

.card-item-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary-navy);
    line-height: 1.4;
    margin-bottom: 10px;
}

.card-item-desc {
    font-size: 1.05rem; /* Scales description to ~19px */
    color: #334155; /* Higher contrast slate grey */
    font-weight: 450;
    line-height: 1.8; /* Better text spacing */
    margin-bottom: 18px;
}

/* Action Links & Download Buttons */
.card-actions-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border-light);
}

.btn-pdf-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
    padding: 10px 18px; /* Larger hit target */
    font-size: 0.9rem; /* Larger */
    font-weight: 700;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.btn-pdf-download:hover {
    background-color: #fee2e2;
    color: #7f1d1d;
}

.btn-external-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--bg-light);
    color: var(--text-main);
    border: 1px solid var(--border-light);
    padding: 8px 14px;
    font-size: 0.82rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.btn-external-link:hover {
    background-color: #e2e8f0;
}

.btn-youtube-embed {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: #fff1f2;
    color: #be123c;
    border: 1px solid #fecdd3;
    padding: 8px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.btn-youtube-embed:hover {
    background-color: #ffe4e6;
}

/* Media Card Thumbnail (YouTube / Project / Lab) */
.card-media-box {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 16px;
    background-color: var(--primary-navy);
    aspect-ratio: 16 / 9;
}

.card-media-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.academic-card:hover .card-media-img {
    transform: scale(1.03);
}

.play-overlay-icon {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 48px;
    height: 48px;
    background-color: rgba(225, 29, 72, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.play-overlay-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--bg-white);
    margin-left: 2px;
}

.card-media-box:hover .play-overlay-icon {
    transform: scale(1.1);
    background-color: #e11d48;
}

/* Data Table Styling (Materials & Pedagogy) */
.table-responsive-wrapper {
    overflow-x: auto;
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--card-shadow);
}

.academic-data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 1.05rem; /* Large table cells (~19px) */
}

.academic-data-table th {
    background-color: #f1f5f9;
    color: var(--primary-navy);
    font-family: var(--font-heading);
    font-weight: 750;
    padding: 16px 20px;
    border-bottom: 2.5px solid var(--border-color);
}

.academic-data-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-main);
}

.academic-data-table tbody tr:hover {
    background-color: #f8fafc;
}

.academic-data-table tbody tr:last-child td {
    border-bottom: none;
}

.code-badge {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-navy);
    background-color: #e2e8f0;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

/* Statistics Bar */
.stats-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 36px;
}

.stat-metric-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
    padding: 20px;
    box-shadow: var(--card-shadow);
    border-top: 1px solid var(--border-light);
    border-right: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-navy);
    line-height: 1;
}

.stat-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
    margin-top: 6px;
}

.stat-subtext {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ==========================================================================
   6. MODAL OVERLAY (YOUTUBE PLAYER & PDF PREVIEW)
   ========================================================================== */
.modal-overlay-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay-backdrop.active {
    display: flex;
}

.modal-container-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: modalSlide 0.25s ease-out forwards;
}

@keyframes modalSlide {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}

.modal-card-header {
    background-color: var(--primary-navy);
    color: var(--bg-white);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title-text {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
}

.btn-modal-close {
    background: transparent;
    border: none;
    color: #cbd5e1;
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
    transition: var(--transition);
}

.btn-modal-close:hover {
    color: var(--bg-white);
}

.modal-card-body {
    padding: 24px;
    overflow-y: auto;
}

.modal-video-frame-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.modal-video-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ==========================================================================
   7. FOOTER SECTION
   ========================================================================== */
.site-footer {
    background-color: var(--primary-navy);
    color: #cbd5e1;
    padding: 50px 24px 24px;
    border-top: 4px solid var(--accent-gold);
    margin-top: 60px;
}

.footer-container {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 36px;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--bg-white);
    margin-bottom: 16px;
}

.footer-links-list {
    list-style: none;
}

.footer-links-list li {
    margin-bottom: 8px;
}

.footer-links-list a {
    color: #cbd5e1;
    font-size: 0.88rem;
}

.footer-links-list a:hover {
    color: var(--bg-white);
    padding-left: 4px;
}

.footer-bottom-bar {
    max-width: 1300px;
    margin: 20px auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.82rem;
    color: #94a3b8;
}

/* ==========================================================================
   8. RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 900px) {
    .college-banner-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 14px;
        padding: 12px 16px;
    }

    .college-branding-group {
        flex-direction: column;
        gap: 10px;
    }

    .department-title-main {
        font-size: 1.2rem;
    }

    .header-quick-actions {
        width: 100%;
        justify-content: center;
        gap: 10px;
        flex-wrap: wrap;
    }

    .header-contact-link .link-text {
        display: none;
    }

    .header-contact-link {
        padding: 0;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        justify-content: center;
        align-items: center;
    }

    .grid-cards-3, .grid-cards-2 {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .nav-search-box {
        display: none;
    }

    .section-hero-banner {
        padding: 36px 16px;
        text-align: center;
    }

    .hero-breadcrumb {
        justify-content: center;
    }

    .hero-section-title {
        font-size: 1.55rem;
    }

    .hero-section-subtitle {
        font-size: 0.88rem;
    }

    .main-wrapper {
        margin: 20px auto 40px;
        padding: 0 16px;
    }

    .content-block-title {
        font-size: 1.25rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 28px;
    }

    .footer-bottom-bar {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .nav-tab-link {
        padding: 12px 14px;
        font-size: 0.85rem;
    }
}

/* ==========================================================================
   9. MODERN HOVER GLOW GALLERY STYLES
   ========================================================================== */
.modern-glow-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 22px;
}

.gallery-card-glow {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background-color: #0f172a;
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-card-glow:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: #3b82f6;
    box-shadow: 0 14px 30px -4px rgba(37, 99, 235, 0.35), 0 0 22px 3px rgba(37, 99, 235, 0.3);
}

.gallery-card-img-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.gallery-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-card-glow:hover .gallery-card-img {
    transform: scale(1.09);
}

.gallery-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding: 16px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-card-glow:hover .gallery-card-overlay {
    opacity: 1;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, rgba(37, 99, 235, 0.2) 100%);
}

.gallery-view-btn {
    font-size: 0.8rem;
    font-weight: 600;
    color: #ffffff;
    background: rgba(37, 99, 235, 0.9);
    padding: 6px 14px;
    border-radius: 6px;
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.gallery-expand-icon {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.gallery-card-glow:hover .gallery-expand-icon {
    opacity: 1;
    transform: scale(1);
    background: rgba(37, 99, 235, 0.9);
}

/* Card Media Carousel Styling */
.card-media-box:hover .carousel-nav-btn {
    opacity: 1 !important;
}
.carousel-nav-btn:hover {
    background: rgba(15, 41, 66, 0.95) !important;
    transform: translateY(-50%) scale(1.1);
}

/* ==========================================================================
   10. SCROLL REVEAL ANIMATIONS
   ======================================================================== */
.reveal-on-scroll {
    opacity: 0;
    transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-on-scroll.slide-up {
    transform: translateY(40px);
}

.reveal-on-scroll.slide-left {
    transform: translateX(-45px);
}

.reveal-on-scroll.slide-right {
    transform: translateX(45px);
}

.reveal-on-scroll.fade-in {
    transform: scale(0.95);
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}