:root {
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --text-color: #000000;
    --text-color-secondary: #666666;
    --background-color: #ffffff;
    --card-bg: #ffffff;
    --card-hover-bg: #f8f8f8;
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --navbar-bg: rgba(255, 255, 255, 0.98);
    --skill-item-color: #666666;
    --accent-color: #000000;
}

[data-theme='dark'] {
    --primary-color: #ffffff;
    --secondary-color: #000000;
    --text-color: #ffffff;
    --text-color-secondary: #999999;
    --background-color: #111111;
    --card-bg: #1a1a1a;
    --card-hover-bg: #222222;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --navbar-bg: rgba(17, 17, 17, 0.98);
    --skill-item-color: #999999;
    --accent-color: #ffffff;
}

:root {
    --section-padding: 5rem 2rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    letter-spacing: -0.02em;
}

/* Styles des cartes de compétences */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.skill-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    transform-style: preserve-3d;
    perspective: 1000px;
    cursor: pointer;
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.skill-card:hover {
    transform: scale(1.02);
}

.skill-card.tilt {
    transition: transform 0.1s ease;
}

.skill-card .skill-icon,
.skill-card .skill-title,
.skill-card .skill-list {
    transform: translateZ(20px);
    transition: transform 0.3s ease;
    position: relative;
}

.skill-card .skill-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.skill-card .skill-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.skill-card .skill-list {
    list-style: none;
    padding: 0;
}

.skill-card .skill-item {
    margin-bottom: 0.5rem;
    color: var(--text-color-secondary);
    font-size: 1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

.navbar.hidden {
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
}

.navbar.visible {
    opacity: 1;
    transform: translateY(0);
    background-color: var(--navbar-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px var(--shadow-color);
}

.navbar::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, 
        transparent, 
        var(--border-color),
        transparent
    );
    opacity: 0;
    transition: opacity 0.3s ease;
}

.navbar.visible::before {
    opacity: 1;
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.theme-toggle {
    cursor: pointer;
    padding: 0.5rem;
    border: none;
    background: none;
    color: var(--text-color);
    font-size: 1.2rem;
    transition: transform 0.3s ease, color 0.3s ease;
    opacity: 0.9;
}

.theme-toggle:hover {
    opacity: 1;
    color: var(--accent-color);
}

.theme-toggle:hover {
    transform: rotate(180deg);
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: opacity 0.3s ease, color 0.3s ease;
    font-size: 1rem;
    opacity: 0.8;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.nav-links a:hover {
    opacity: 1;
}

/* About Section */
.about-content {
    text-align: left;
}

.about-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-color);
    letter-spacing: -0.02em;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color-secondary);
}

.map-container {
    position: relative;
    width: 100%;
    border: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
}

.map-container:hover {
    border-color: var(--accent-color);
}

.about-buttons {
    margin-top: 3rem;
}

/* Hero Section */
.hero {
    background-color: var(--background-color);
    color: var(--text-color);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.hero-title h1 {
    background: linear-gradient(45deg, var(--text-color) 30%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.04em;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero-description {
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 1.2rem;
    opacity: 0.8;
    line-height: 1.8;
    text-align: center;
}

.social-links {
    display: flex;
    gap: 2rem;
}

.social-link.btn {
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    font-weight: 500;
    padding: 0.75rem 2rem;
    transition: all 0.3s ease;
    border-radius: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

.social-link.btn:hover {
    background-color: var(--accent-color);
    color: var(--background-color);
    transform: translateY(-2px);
}

.social-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -4px;
    left: 0;
    background-color: var(--text-color);
    transition: width 0.3s ease;
}

.social-link:hover::after {
    width: 100%;
}

/* Featured Projects */
.featured-projects {
    padding: var(--section-padding);
    background-color: var(--background-color);
}

.featured-projects h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Pour les grands écrans */
@media (min-width: 1200px) {
    .featured-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 1400px;
        gap: 3rem;
    }

    .project-card {
        max-width: 400px;
        margin: 0 auto;
        width: 100%;
    }
}

.project-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--shadow-color);
}

.project-image-container {
    position: relative;
    width: 100%;
    padding-top: 65%; /* Ratio légèrement plus haut pour mieux voir les projets */
    overflow: hidden;
    background-color: var(--card-bg);
}

.project-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image {
    transform: scale(1.05);
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex-grow: 1;
}

.project-header {
    margin-bottom: 0.5rem;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.project-subtitle {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.7;
}

.project-actions {
    display: flex;
    gap: 1rem;
    margin-top: auto;
}

.project-link {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.9rem;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.project-link:hover {
    opacity: 0.7;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.project-description {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: 1.5rem;
}

.project-tags {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.project-tag {
    font-size: 0.9rem;
    padding: 0.3rem 0.8rem;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}

.view-project {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    display: inline-block;
}

.view-project::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -4px;
    left: 0;
    background-color: var(--text-color);
    transition: width 0.3s ease;
}

.view-project:hover::after {
    width: 100%;
}

/* Sections */
.section {
    padding: var(--section-padding);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 3rem;
    }
}

.skill-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--shadow-color);
    background-color: var(--card-hover-bg);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.skill-card:hover .skill-icon {
    color: var(--accent-color);
}

.skill-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.skill-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

.skill-item {
    margin-bottom: 0.8rem;
    color: var(--skill-item-color);
    font-size: 1rem;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
}

.skill-item::before {
    content: '•';
    margin-right: 0.5rem;
    color: var(--accent-color);
    font-size: 1.2rem;
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--primary-color);
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.skill-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-card:hover {
    border-color: var(--accent-color);
}

.skill-icon {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--accent-color);
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--accent-color);
}

.skill-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.skill-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 1rem;
}

.skill-item {
    color: var(--text-color-secondary);
    font-size: 0.95rem;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    margin: 0;
}

.skill-item::before {
    content: '';
    width: 4px;
    height: 4px;
    background-color: var(--accent-color);
    margin-right: 1rem;
    display: block;
}

.skill-card:hover .skill-item {
    color: var(--text-color);
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 1rem;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.project-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.project-excerpt {
    color: var(--text-color-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.project-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

/* Certifications */
.dark-section {
    background-color: var(--card-bg);
    padding: 5rem 0;
}

.section-header {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.certifications-filter {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    background: none;
    color: var(--text-color-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.filter-btn.active {
    background-color: var(--text-color);
    color: var(--background-color);
    border-color: var(--text-color);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.certification-card {
    background: var(--background-color);
    border-radius: 1rem;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.certification-card:hover {
    transform: translateY(-5px);
}

.certification-content {
    padding: 2rem;
}

.certification-header {
    margin-bottom: 2rem;
}

.certification-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.certification-subtitle {
    color: var(--text-color-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.certification-modules {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.module-item {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    margin-bottom: 0.5rem;
    transition: all 0.2s ease;
}

.module-item:hover {
    border-color: var(--accent-color);
}

.module-number {
    font-size: 0.8rem;
    color: var(--text-color-secondary);
    margin-right: 0.75rem;
    min-width: 24px;
}

.module-title {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-color);
}

.module-buttons {
    display: flex;
    gap: 0.35rem;
    margin-left: 1rem;
}

.btn-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: none;
    background: var(--card-bg);
    color: var(--text-color);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: 0.9rem;
}

.btn-action:hover {
    background: var(--card-hover-bg);
    transform: translateY(-2px);
    color: var(--text-color);
    text-decoration: none;
}

.btn-action i {
    font-size: 1rem;
}

@media (max-width: 768px) {
    .module-item {
        flex-direction: column;
        gap: 1rem;
    }

    .module-buttons {
        width: 100%;
        justify-content: flex-end;
    }

    .btn-action {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
}

/* Tech Watch */
.tech-watch-content {
    max-width: 1200px;
    margin: 0 auto;
}

.tech-watch-description {
    max-width: 800px;
    margin: 0 auto 4rem;
    color: var(--text-color-secondary);
    line-height: 1.6;
}

.tech-watch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tech-watch-card {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    transition: transform 0.3s ease;
}

.tech-watch-card:hover {
    transform: translateY(-5px);
}

.tech-watch-icon {
    width: 60px;
    height: 60px;
    background: var(--background-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.tech-watch-icon i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.tech-watch-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.tech-watch-card p {
    color: var(--text-color-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.tech-watch-sources h4 {
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 0.75rem;
}

.tech-watch-sources ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tech-watch-sources li {
    color: var(--text-color-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .tech-watch-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-watch-card {
        padding: 1.5rem;
    }
}

/* Footer */
.footer {
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
}

.footer-text {
    text-align: center;
    color: var(--text-color-secondary);
    font-size: 0.85rem;
    margin: 0;
    opacity: 0.7;
}

/* Modal Projet */
.modal-content {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
}

.modal-header {
    padding: 1.5rem 1.5rem 0.5rem;
}

.btn-close {
    filter: var(--btn-close-filter);
}

.project-gallery {
    position: relative;
}

.main-image-container {
    border-radius: 0.5rem;
    overflow: hidden;
    background: var(--card-bg);
}

.project-main-image {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.project-thumbnails {
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.project-thumbnails::-webkit-scrollbar {
    height: 6px;
}

.project-thumbnails::-webkit-scrollbar-track {
    background: transparent;
}

.project-thumbnails::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 3px;
}

.thumbnail-item {
    width: 80px;
    height: 60px;
    border-radius: 0.25rem;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.thumbnail-item:hover,
.thumbnail-item.active {
    opacity: 1;
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-info {
    color: var(--text-color);
}

.project-description {
    color: var(--text-color-secondary);
    line-height: 1.6;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: var(--card-bg);
    color: var(--text-color);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.85rem;
}

.features-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.features-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color-secondary);
}

.features-list li::before {
    content: '•';
    position: absolute;
    left: 0.5rem;
    color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .burger {
        display: block;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.2rem;
    }
}

/* Scroll Down Button */
/* Override Bootstrap button styles */
.btn {
    border-radius: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.75rem 2rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--background-color);
}

.btn-primary:hover {
    background-color: var(--background-color);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-outline-primary {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-outline-primary:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--background-color);
}

.scroll-down .btn {
    transition: all 0.3s ease;
}

.scroll-down .btn:hover {
    transform: translateY(-2px);
}

.scroll-down-arrow {
    animation: bounce 2s infinite;
}

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

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Modal PDF */
#pdfModal .modal-dialog {
    max-width: 90%;
    margin: 1.75rem auto;
}

#pdfModal .modal-content {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
}

#pdfModal .modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

#pdfModal .modal-title {
    color: var(--text-color);
    font-size: 1.25rem;
    font-weight: 600;
}

#pdfModal .modal-body {
    padding: 0;
    background: var(--card-bg);
}

#pdfViewer {
    width: 100%;
    height: 80vh;
    border: none;
    background: var(--card-bg);
}

@media (max-width: 768px) {
    #pdfModal .modal-dialog {
        max-width: 95%;
        margin: 1rem auto;
    }
    
    #pdfViewer {
        height: 70vh;
    }
}