/* Modern Art Poster Custom Styles - Professional Teal Theme */
:root {
    --primary-color: #0d9488;     /* Deeper teal - darker brand color */
    --primary-dark: #0f766e;      /* Even darker teal for headings */
    --primary-light: #14b8a6;     /* Lighter teal for hover states */
    --secondary-color: #f97316;   /* Warm orange complement */
    --background-color: #f8fafb;  /* Slightly off-white with cool tint */
    --text-color: #0f172a;        /* Darker slate for better readability */
    --text-secondary: #334155;    /* Medium slate for secondary text */
    --text-light: #64748b;        /* Slate grey for subtle text */
    --accent-color: #fbbf24;      /* Warm golden accent */
    --border-color: #cbd5e1;      /* Darker grey borders */
    --light-bg: #f1f5f9;          /* Light slate background */
    --teal-bg: #e0f2f1;           /* Light teal background with more color */
    --success-color: #10b981;     /* Success green */
    --card-shadow: 0 1px 3px 0 rgba(13, 148, 136, 0.12), 0 1px 2px 0 rgba(13, 148, 136, 0.08);
    --card-shadow-hover: 0 10px 15px -3px rgba(13, 148, 136, 0.2), 0 4px 6px -2px rgba(13, 148, 136, 0.12);
}

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

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.65;
    font-size: 16px;
    font-weight: 400;
}

/* Header */
.navbar {
    background-color: rgba(248, 250, 251, 0.98) !important;
    border-bottom: 1px solid var(--border-color);
    padding: 0.875rem 0;
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px 0 rgba(13, 148, 136, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: 700;
    font-size: 1.75rem;
    letter-spacing: -0.025em;
    font-family: 'Montserrat', sans-serif;
}

.navbar-nav .nav-link {
    color: var(--text-color) !important;
    font-weight: 700;
    padding: 0.75rem 1.25rem !important;
    transition: all 0.3s ease;
    border-radius: 6px;
    margin: 0 0.25rem;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
    background-color: var(--light-bg);
}

.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    background-color: var(--light-bg);
}

/* Main content */
.main-content {
    padding: 0;
    min-height: 100vh;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--teal-bg) 0%, #d1fae5 100%);
    padding: 5rem 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.hero-content h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-illustration {
    text-align: center;
}

.hero-illustration img {
    max-width: 65%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--card-shadow-hover);
}

/* Section spacing */
.section {
    padding: 4rem 0;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Category cards */
.category-link {
    text-decoration: none;
    color: inherit;
    display: block;
    opacity: 1 !important;
}

.category-link:hover,
.category-link:visited,
.category-link:active,
.category-link:focus {
    text-decoration: none;
    color: inherit;
    opacity: 1 !important;
}

.category-link:visited .category-card,
.category-link:active .category-card,
.category-link:focus .category-card {
    opacity: 1 !important;
    filter: none !important;
}

.category-link:visited .category-card *,
.category-link:active .category-card *,
.category-link:focus .category-card * {
    opacity: 1 !important;
    filter: none !important;
}

.category-link img {
    opacity: 1 !important;
}

.category-card {
    border: none;
    border-radius: 16px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 4px 12px -2px rgba(13, 148, 136, 0.15), 0 2px 6px -1px rgba(13, 148, 136, 0.1);
    height: 100%;
    min-height: 420px;
    position: relative;
    cursor: pointer;
    padding: 0;
}

/* Decorative gradient overlay border on image */
.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 3px solid transparent;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light), var(--accent-color)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    pointer-events: none;
    z-index: 2;
}

.category-card:hover::before {
    opacity: 1;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 30px -8px rgba(13, 148, 136, 0.3), 0 10px 20px -5px rgba(13, 148, 136, 0.2);
}

/* Image container - fills entire card */
.category-card .card-img-top {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
    background: linear-gradient(135deg, var(--light-bg), #e0f2f1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 4rem;
}

.category-card .card-img-top img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center center;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    background: linear-gradient(135deg, var(--light-bg), #e0f2f1);
}

.category-card:hover .card-img-top img {
    transform: scale(1.08);
}

/* Title section with frosted glass effect - overlays bottom of image */
.category-card .card-body {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 3;
    padding: 1.75rem 1.5rem;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.7));
    backdrop-filter: blur(24px) saturate(200%) brightness(105%);
    -webkit-backdrop-filter: blur(24px) saturate(200%) brightness(105%);
    text-align: center;
    border-top: 1.5px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 -8px 32px 0 rgba(255, 255, 255, 0.15);
}

.category-card:hover .card-body {
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.8));
    backdrop-filter: blur(28px) saturate(220%) brightness(108%);
    -webkit-backdrop-filter: blur(28px) saturate(220%) brightness(108%);
    border-top: 1.5px solid rgba(255, 255, 255, 0.65);
    box-shadow: 0 -12px 40px 0 rgba(255, 255, 255, 0.2);
}

.category-card .card-title {
    font-size: 1.125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0;
    color: var(--text-color);
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Decorative underline that appears on hover */
.category-card .card-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 2px;
}

.category-card:hover .card-title::after {
    transform: translateX(-50%) scaleX(1);
}

.subcategory-card {
    border: none;
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    height: 420px;
    position: relative;
    display: flex;
    flex-direction: column;
}

.subcategory-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(13, 148, 136, 0.15);
}

.subcategory-card .card-img-top {
    width: 100%;
    height: 320px;
    overflow: hidden;
    background: #f8fafb;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 3rem;
    position: relative;
}

.subcategory-card .card-img-top img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center center;
    padding: 20px;
    transition: transform 0.3s ease, filter 0.3s ease;
    filter: grayscale(10%);
}

.subcategory-card:hover .card-img-top img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

.card-body {
    padding: 1.5rem;
}

.subcategory-card .card-body {
    height: 100px;
    width: 100%;
    padding: 1rem 1.25rem;
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.75rem;
}

.card-title {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
    line-height: 1.4;
}

.subcategory-card .card-title {
    margin-bottom: 0;
    text-align: center;
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: none;
    letter-spacing: 0.02em;
    color: var(--text-color);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.card-text {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 700;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.btn-primary:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1rem;
    letter-spacing: 0.025em;
}

.btn-secondary:hover {
    background-color: #ea580c;
    border-color: #ea580c;
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1rem;
    letter-spacing: 0.025em;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
}

/* Grid spacing */
.row.g-4 > * {
    padding: 0.75rem;
}

/* Smooth transitions for all interactive elements */
a, button, .btn {
    transition: all 0.3s ease;
}

/* About Section */
.about-section {
    background-color: var(--teal-bg);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.about-content .about-illustration {
    flex: 1;
}

.about-content .about-text {
    flex: 1;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.about-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.about-illustration {
    flex: 1;
    text-align: center;
}

.about-illustration img {
    max-width: 70%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--card-shadow-hover);
}

/* Contact Section */
.contact-section {
    background-color: var(--background-color);
}

.contact-content h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.contact-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-illustration {
    text-align: center;
}

.contact-illustration img {
    max-width: 70%;
    height: auto;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-family: 'Roboto', sans-serif;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    display: block;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
    background-color: white;
}

.form-control::placeholder {
    color: var(--text-light);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

#formMessage {
    margin-bottom: 1.5rem;
    border-radius: 8px;
    font-weight: 500;
}

#formMessage.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

#formMessage.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
    color: #dc2626;
}

/* Footer */
.footer {
    background-color: var(--text-color);
    color: white;
    padding: 3rem 0 2rem;
    margin-top: 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h5 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.footer-section p, .footer-section a {
    color: #d1d5db;
    text-decoration: none;
    line-height: 1.6;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #4b5563;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.contact-item i {
    width: 20px;
    color: var(--primary-color);
}

/* Category Header Section */
.category-header-section {
    background: linear-gradient(135deg, var(--teal-bg) 0%, #e8f5f4 100%);
    padding: 4rem 0;
    margin-bottom: 3rem;
}

.category-header-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}

.category-header-divider {
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0 auto;
    border-radius: 2px;
}

/* Breadcrumb */
.breadcrumb-wrapper {
    background-color: var(--light-bg);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    font-size: 0.9375rem;
    font-weight: 500;
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.breadcrumb-item a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.breadcrumb-separator {
    color: var(--text-light);
    font-size: 0.6875rem;
    opacity: 0.5;
}

.breadcrumb-item.active {
    color: var(--text-secondary);
    font-weight: 600;
}

/* Subcategories Section */
.subcategories-section {
    padding: 1rem 0 1rem;
}

.subcategories-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: -0.02em;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--light-bg), #f1f5f9);
    border-radius: 16px;
    margin: 2rem 0;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.empty-state-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.75rem;
}

.empty-state-text {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* PDF buttons container */
.pdf-buttons {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    justify-content: center;
    align-items: center;
}

.pdf-buttons .btn {
    flex: 1;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    white-space: nowrap;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: 4px;
}

/* Enhanced PDF button styles for better visibility */
.pdf-buttons .btn-primary {
    background: var(--primary-color);
    border: none;
    color: white;
}

.pdf-buttons .btn-primary:hover {
    background: var(--primary-light);
    transform: none;
}

.pdf-buttons .btn-secondary {
    background: white;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.pdf-buttons .btn-secondary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: none;
}

/* Scroll Indicator for Mobile */
.scroll-indicator {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    box-shadow: 0 8px 20px rgba(13, 148, 136, 0.4);
    z-index: 999;
    display: none;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    animation: bounce 2s ease-in-out infinite;
    transition: opacity 0.3s ease;
}

.scroll-indicator.visible {
    display: flex;
}

.scroll-indicator.hidden {
    opacity: 0;
    pointer-events: none;
}

.scroll-indicator i {
    font-size: 1rem;
    animation: arrowBounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes arrowBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(4px);
    }
    60% {
        transform: translateY(2px);
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .navbar {
        padding: 0.75rem 0;
    }

    .navbar-brand {
        font-size: 1.5rem;
    }

    .navbar-nav .nav-link {
        padding: 0.625rem 1rem !important;
        font-size: 0.8125rem;
    }

    .hero-section {
        padding: 4rem 0;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .hero-content p {
        font-size: 1.0625rem;
    }

    .hero-content .btn {
        margin-bottom: 2rem;
    }

    .hero-illustration {
        margin-top: 2rem;
    }

    .hero-illustration img {
        max-width: 75%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-content {
        flex-direction: column;
        gap: 2rem;
    }

    .about-content .about-illustration,
    .about-content .about-text {
        order: unset !important;
    }

    .contact-content h2 {
        text-align: center;
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .contact-subtitle {
        text-align: center;
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .about-text h2 {
        font-family: 'Montserrat', sans-serif;
        font-size: 2rem;
        text-align: center;
        color: var(--primary-dark);
    }

    .about-text p {
        font-size: 1rem;
        text-align: center;
    }

    .about-illustration img {
        max-width: 80%;
    }

    .contact-form {
        padding: 1.5rem;
        margin: 0;
    }

    .contact-illustration {
        margin-bottom: 2.5rem;
    }

    .contact-illustration img {
        max-width: 60%;
    }
    
    .subcategory-card {
        height: 380px;
        border-radius: 4px;
    }

    .subcategory-card .card-img-top {
        height: 280px;
    }

    .subcategory-card .card-img-top img {
        padding: 15px;
    }

    .subcategory-card .card-body {
        height: 100px;
        padding: 0.875rem 1rem;
        gap: 0.625rem;
    }

    .subcategory-card .card-title {
        font-size: 0.875rem;
        margin-bottom: 0;
    }

    .pdf-buttons {
        flex-direction: row;
        gap: 0.5rem;
    }

    .pdf-buttons .btn {
        padding: 0.5rem 0.625rem;
        font-size: 0.75rem;
    }

    .scroll-indicator {
        display: flex;
    }

    .breadcrumb-item {
        font-size: 0.875rem;
    }

    .category-header-section {
        padding: 3rem 0;
        margin-bottom: 2rem;
    }

    .category-header-title {
        font-size: 2.25rem;
    }

    .category-header-divider {
        width: 50px;
    }

    .subcategories-title {
        font-size: 1.75rem;
    }

    .category-card {
        min-height: 360px;
        box-shadow: 0 2px 8px rgba(13, 148, 136, 0.15) !important;
    }

    .category-card::before {
        display: none !important;
    }

    .category-card .card-body {
        padding: 1.25rem 1rem;
        backdrop-filter: blur(16px) saturate(160%) brightness(104%) !important;
        -webkit-backdrop-filter: blur(16px) saturate(160%) brightness(104%) !important;
        background: linear-gradient(to bottom, rgba(255, 255, 255, 0.65), rgba(255, 255, 255, 0.8)) !important;
        box-shadow: 0 -6px 24px 0 rgba(255, 255, 255, 0.12) !important;
    }

    .category-card:hover {
        transform: none !important;
        box-shadow: 0 2px 8px rgba(13, 148, 136, 0.15) !important;
    }

    .category-card:hover .card-body {
        backdrop-filter: blur(18px) saturate(170%) brightness(105%) !important;
        -webkit-backdrop-filter: blur(18px) saturate(170%) brightness(105%) !important;
        background: linear-gradient(to bottom, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.85)) !important;
    }

    .category-card:hover .card-img-top img {
        transform: none !important;
    }

    .category-card .card-title {
        font-size: 0.9rem;
        letter-spacing: 0.07em;
    }
    
    .pdf-buttons {
        flex-direction: column;
    }
    
    .pdf-buttons .btn {
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .navbar {
        padding: 0.625rem 0;
    }

    .navbar-brand {
        font-size: 1.375rem;
    }

    .navbar-nav {
        margin-top: 0.5rem;
    }

    .navbar-nav .nav-link {
        padding: 0.5rem 0.875rem !important;
        font-size: 0.75rem;
        margin: 0.125rem 0;
    }

    .hero-section {
        padding: 1.5rem 0;
        min-height: auto;
    }

    .hero-content h1 {
        font-size: 1.625rem;
        text-align: center;
        line-height: 1.3;
    }

    .hero-content p {
        font-size: 0.9375rem;
        text-align: center;
        line-height: 1.5;
    }

    .hero-illustration {
        margin-top: 1.5rem;
    }

    .hero-illustration img {
        max-width: 85%;
    }

    .section {
        padding: 1.5rem 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .contact-form {
        padding: 1.25rem;
        margin: 0;
    }

    .contact-illustration img {
        max-width: 70%;
    }

    .about-illustration img {
        max-width: 90%;
    }

    .form-group {
        margin-bottom: 1.25rem;
    }

    .form-control {
        padding: 0.75rem 0.875rem;
        font-size: 0.95rem;
    }

    .btn-primary {
        width: 100%;
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }

    .card-body {
        padding: 1.25rem;
    }

    .subcategory-card {
        height: 360px;
        border-radius: 4px;
    }

    .subcategory-card .card-img-top {
        height: 260px;
        font-size: 2.25rem;
    }

    .subcategory-card .card-img-top img {
        padding: 12px;
    }

    .subcategory-card .card-body {
        height: 100px;
        padding: 0.75rem 0.875rem;
        gap: 0.5rem;
    }

    .subcategory-card .card-title {
        font-size: 0.8rem;
        margin-bottom: 0;
        line-height: 1.2;
    }

    .pdf-buttons {
        flex-direction: row;
        gap: 0.5rem;
    }

    .pdf-buttons .btn {
        flex: 1;
        padding: 0.45rem 0.5rem;
        font-size: 0.7rem;
        border-radius: 4px;
    }

    .scroll-indicator {
        display: flex;
        font-size: 0.8rem;
        padding: 0.625rem 1.25rem;
    }

    .breadcrumb-wrapper {
        padding: 0.5rem 0;
    }

    .breadcrumb {
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .breadcrumb-item {
        font-size: 0.8125rem;
    }

    .breadcrumb-separator {
        font-size: 0.625rem;
    }

    .category-header-section {
        padding: 1.5rem 0;
        margin-bottom: 0.75rem;
    }

    .category-header-title {
        font-size: 1.5rem;
        margin-bottom: 0.75rem;
    }

    .category-header-divider {
        width: 40px;
        height: 2.5px;
    }

    .subcategories-section {
        padding: 0 0 0.5rem;
    }

    .subcategories-title {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }


    .empty-state {
        padding: 3rem 1.5rem;
    }

    .empty-state-icon {
        font-size: 3rem;
    }

    .empty-state-title {
        font-size: 1.25rem;
    }

    .empty-state-text {
        font-size: 1rem;
    }

    .category-card {
        min-height: 280px;
        will-change: auto !important;
        box-shadow: 0 2px 8px rgba(13, 148, 136, 0.15) !important;
    }

    .category-card::before {
        display: none !important;
    }

    .category-card .card-body {
        padding: 1rem 0.875rem;
        backdrop-filter: blur(14px) saturate(150%) brightness(103%) !important;
        -webkit-backdrop-filter: blur(14px) saturate(150%) brightness(103%) !important;
        background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.75)) !important;
        box-shadow: 0 -4px 20px 0 rgba(255, 255, 255, 0.1) !important;
    }

    .category-card:hover {
        transform: none !important;
        box-shadow: 0 2px 8px rgba(13, 148, 136, 0.15) !important;
    }

    .category-card:hover .card-body {
        backdrop-filter: blur(16px) saturate(160%) brightness(104%) !important;
        -webkit-backdrop-filter: blur(16px) saturate(160%) brightness(104%) !important;
        background: linear-gradient(to bottom, rgba(255, 255, 255, 0.65), rgba(255, 255, 255, 0.8)) !important;
    }

    .category-card:hover .card-img-top img {
        transform: none !important;
    }

    .category-card .card-title {
        font-size: 0.875rem;
        letter-spacing: 0.06em;
    }

    .footer {
        padding: 2rem 0 1.5rem;
    }

    .footer-section {
        margin-bottom: 1.5rem;
    }

    .footer-section p,
    .footer-section a {
        font-size: 0.95rem;
    }
}