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

:root {
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #334155;
    --border-color: #475569;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: all 0.3s ease;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

[data-theme="dark"] nav {
    background: rgba(15, 23, 42, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    justify-content: center;
    flex-grow: 1;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}


.theme-toggle {
    background: none;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    border-color: var(--primary-color);
    transform: scale(1.1);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%233b82f6" stop-opacity="0.1"/><stop offset="100%" stop-color="%233b82f6" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="800" r="120" fill="url(%23a)"/></svg>');
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.color-social {
    color: var(--bg-secondary);
}

.social-links a {
    text-decoration: none;
    ;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero h2 {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Sections */
.section {
    padding: 5rem 0;
    width: 100%;
}

.section:nth-child(even) {
    background: var(--bg-secondary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-arrow {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 2px solid var(--text-secondary);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    opacity: 0.6;
    animation: bounce 2s infinite;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .scroll-arrow {
    background: rgba(0, 0, 0, 0.2);
}

.scroll-arrow:hover {
    opacity: 1;
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.scroll-arrow i {
    font-size: 1.2rem;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

@media (max-width: 768px) {
    .scroll-indicator {
        bottom: 20px;
    }

    .scroll-arrow {
        width: 40px;
        height: 40px;
    }

    .scroll-arrow i {
        font-size: 1rem;
    }
}

/* Skills Section */
.skill-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.skills-category {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary-color);
}

.skills-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.skills-category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.skills-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow);
}

.skills-category:nth-child(even) .skills-icon {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}

.skills-category h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.skills-grid {
    display: flex;
    flex-direction: row;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.skill-item {
    width: 100%;
    background: var(--bg-secondary);
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.skill-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.skills-category:nth-child(even) .skill-item {
    border-left-color: var(--secondary-color);
}

.skill-cateogory {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.skill-level {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    transition: width 1s ease-in-out;
    position: relative;
}

.skills-category:nth-child(even) .skill-progress {
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.skill-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}


/* Responsive */
@media (max-width: 768px) {

    .skills-category {
        padding: 1.5rem;
    }

    .skills-category-header {
        flex-direction: row;
        text-align: left;
        gap: 1rem;
    }

    .skills-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .skills-grid {
        flex-direction: column;
    }

    .skill-content {
        display: flex;
        flex-direction: column;
    }
}

.skill-image {
    text-align: center;
}

.profile-container {
    display: flex;
    align-items: center;
    margin-bottom: 2em;
}

.profile-image {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

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

@media (max-width: 768px) {
    .profile-container {
        flex-direction: column;
        text-align: center;
    }

    .text-content {
        margin-top: 1rem;
    }
}

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

.skill-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.skill-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.skill-tag {
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.language-tag {
    display: inline-flex;
    align-items: center;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.language-tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.language-level {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
}

.language-tag:hover .language-level {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

/* Experience Section */
.experience-item {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.experience-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
    gap: 1rem;
}

.experience-info {
    display: flex;
    align-items: stretch;
    gap: 1rem;
    flex: 1;
}

.experience-company-logo {
    flex-shrink: 0;
}

.company-logo {
    width: auto;
    height: 100%;
    max-width: 80px;
    object-fit: contain;
    border-radius: 8px;
    background: var(--bg-primary);
    padding: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.company-logo:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow);
}

.experience-text {
    flex: 1;
}

.experience-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.experience-company {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.experience-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    background: var(--bg-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    white-space: nowrap;
}

/* Responsive design*/
@media (max-width: 768px) {
    .experience-header {
        flex-direction: column;
        gap: 1rem;
    }

    .experience-info {
        align-items: flex-start;
    }

    .company-logo {
        width: 40px;
        height: 40px;
    }

    .experience-date {
        align-self: flex-start;
    }
}

.experience-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
}

.experience-company {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.experience-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    background: var(--bg-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
}

.experience-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.section-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1rem 0;
    opacity: 0.6;
}

.teaching-core-concepts {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    margin-top: 0.75rem;
}

.teaching-core-concepts ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.teaching--concepts li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.teaching-core-concepts li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1rem;
    line-height: 1;
}

.see-more-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 1rem auto 0 auto;
    width: fit-content;
}

.see-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.see-more-btn:active {
    transform: translateY(0);
}

.see-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.3s ease;
}

.see-more-btn:hover::before {
    left: 100%;
}

.experience-extended {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, opacity 0.3s ease, transform 0.3s ease;
    opacity: 0;
    margin-top: 1rem;
    transform: translateY(-10px);
}

.experience-extended.expanded {
    max-height: 2000px;
    /* Valeur suffisamment grande pour le contenu */
    opacity: 1;
    transform: translateY(0);
}

.experience-extended h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.experience-extended ul {
    list-style: none;
    padding-left: 0;
}

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

.experience-extended li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1rem;
}

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

.education-card {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary-color);
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.education-degree {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.education-school {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.education-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.education-logo {
    width: 80px;
    height: auto;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.education-card>div {
    flex: 1;
}

/* Footer */
footer {
    background: var(--bg-secondary);
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.social-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
}

.social-links a {
    font-size: 1.2rem;
    color: var(--text-primary);
    transition: var(--transition);
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 50%;
}

.social-links a:hover {
    color: var(--accent);
    transform: translateY(-3px);
    border-color: var(--accent-secondary);
}

#lastUpdate {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.7;
    margin-top: 1rem;
    font-style: italic;
    transition: opacity 0.3s ease;
}

#lastUpdate:hover {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .experience-header {
        flex-direction: column;
        gap: 0.5rem;
    }

    .section {
        padding: 3rem 0;
    }

    .container {
        padding: 0 1rem;
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

.logo-bg {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.trusted-by-section {
    margin-top: 2rem;
    padding: 2rem;
    border-top: 1px solid var(--border-color);
}

.trusted-by-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.carousel-wrapper {
    position: relative;
    padding: 2rem 0;
}

.logo-carousel-container {
    position: relative;
    overflow: hidden;
    background: var(--bg-secondary);
    border-radius: 10px;
    padding: 2rem 3rem;
}

.logo-carousel-track {
    display: flex;
    gap: 2rem;
    transition: transform 0.5s ease;
    align-items: center;
    justify-content: center;
}

.logo-item {
    flex-shrink: 0;
    width: 140px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    margin: 0 auto;
    /* Centrage horizontal */
}

.logo-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.2);
}

.logo-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.7);
    transition: filter 0.3s ease;
}

.logo-item:hover img {
    filter: grayscale(0%) opacity(1);
}

[data-theme="dark"] .logo-item img {
    filter: grayscale(100%) opacity(0.6) brightness(1.2);
}

[data-theme="dark"] .logo-item:hover img {
    filter: grayscale(0%) opacity(1) brightness(1);
}

.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--primary-color);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: var(--shadow);
}

.carousel-button:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-50%) scale(1.1);
}

.carousel-button:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-button.prev {
    left: -20px;
}

.carousel-button.next {
    right: -20px;
}

.carousel-button i {
    font-size: 1.2rem;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--primary-color);
    width: 30px;
    border-radius: 5px;
}

.instructions {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-color);
}

.instructions h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.instructions p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.instructions code {
    background: var(--bg-card);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--primary-color);
}

.theme-toggle {
    background: none;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    border-color: var(--primary-color);
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .logo-carousel-container {
        padding: 2rem 1rem;
    }

    .logo-item {
        width: 120px;
        height: 70px;
    }

    .carousel-button {
        width: 35px;
        height: 35px;
    }

    .carousel-button.prev {
        left: -15px;
    }

    .carousel-button.next {
        right: -15px;
    }

    .demo-container {
        padding: 1.5rem;
    }
}