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

:root {
    --primary-color: #4a90e2;
    --secondary-color: #7b68ee;
    --accent-color: #ff6b6b;
    --text-dark: #2c3e50;
    --text-light: #666;
    --background-light: #f8f9fa;
    --background-white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 5px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 10px 40px rgba(0, 0, 0, 0.2);
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Заголовки */
h1 {
    font-size: 3.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

h2 {
    font-size: 2.3rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 1rem auto;
    border-radius: 2px;
}

h3 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Кнопки */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 0.95rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-light);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}

/* Навігація */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Мовний перемикач */
.language-switcher {
    margin-left: 1rem;
    position: relative;
}

.lang-dropdown {
    position: relative;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 80px;
    justify-content: space-between;
}

.lang-btn i {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.lang-btn.active i {
    transform: rotate(180deg);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

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

.lang-btn:focus {
    outline: 2px solid rgba(255, 255, 255, 0.8);
    outline-offset: 2px;
}

.lang-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    min-width: 120px;
}

.lang-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    width: 100%;
    padding: 12px 16px;
    background: none;
    border: none;
    text-align: left;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.lang-option:hover {
    background: var(--background-light);
    color: var(--primary-color);
    padding-left: 20px;
}

.lang-option.active {
    background: var(--primary-color);
    color: white;
}

.lang-option.active::before {
    content: "✓";
    position: absolute;
    right: 16px;
    color: white;
}

.lang-option:first-child {
    border-radius: 12px 12px 0 0;
}

.lang-option:last-child {
    border-radius: 0 0 12px 12px;
}

/* Головний екран */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
                url('https://images.pexels.com/photos/5699474/pexels-photo-5699474.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}

.hero-content h1 {
    color: white;
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.hero-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.free-consultation {
    margin-top: 2rem;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Про мене */
.about {
    padding: 100px 0;
    background: var(--background-white);
    position: relative;
    z-index: 1;
    margin-top: 0;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.about-image {
    flex: 0 0 300px;
}

.about-image img {
    width: 300px;
    height: 400px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    transition: transform 0.3s ease;
}

.about-image img:hover {
    transform: scale(1.03);
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.about-text p {
    font-size: 1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.credentials {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.credential-item {
    display: flex;
    align-items: center;
    background: var(--background-light);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    flex: 1 1 calc(50% - 0.75rem);
    min-width: 200px;
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.credential-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.credential-item i {
    color: var(--primary-color);
    margin-right: 1rem;
    font-size: 1.3rem;
    width: 30px;
    text-align: center;
}

.credential-item span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
}

/* Нові стилі для списків в секції "Про мене" */
.work-areas,
.work-formats,
.advantages {
    margin: 1rem 0;
    margin-left: 1.5rem;
}

.work-areas li,
.work-formats li,
.advantages li {
    margin-bottom: 0.5rem;
    color: var(--text-light);
    line-height: 1.6;
}

.work-areas li::before,
.work-formats li::before,
.advantages li::before {
    content: "✓";
    color: var(--primary-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* Стилі для списків послуг */
.service-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-list li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.service-list li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

/* Послуги */
.services {
    padding: 100px 0;
    background: var(--background-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    color: white;
    font-size: 2rem;
}

.service-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}


/* Публікації */
.publications {
    padding: 100px 0;
    background: var(--background-white);
}

.publications-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.publication-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.publication-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    flex-shrink: 0;
}

.publication-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.publication-content h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.8rem;
}

.publication-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.9rem;
    margin-top: auto;
    display: inline-block;
}


.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--secondary-color);
}

/* Освіта та сертифікати */
.education {
    padding: 100px 0;
    background: var(--background-light);
}

.education h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
    font-size: 2.3rem;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.education-card {
    background: transparent;
    border-radius: 20px;
    padding: 0;
    box-shadow: none;
    transition: all 0.3s ease;
    text-align: center;
}

.education-card:hover {
    transform: none;
    box-shadow: none;
}

.education-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.education-icon i {
    color: white;
    font-size: 2rem;
}

.education-card h3 {
    color: var(--text-dark);
    margin-bottom: 2rem;
    font-size: 1.4rem;
}

.education-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--background-light);
    border-radius: 15px;
    text-align: left;
    transition: all 0.3s ease;
}

.education-item:hover {
    background: #f0f4f8;
    transform: translateY(-2px);
}

.education-item:last-child {
    margin-bottom: 0;
}

.education-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.education-item p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.education-item .year {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Галерея сертифікатів */
.certificates-container {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    margin-top: 1rem;
    background: transparent;
}

.certificates-gallery {
    display: flex;
    gap: 1.5rem;
    transition: transform 0.3s ease;
    cursor: grab;
    padding: 1rem 0;
}

.certificates-gallery.dragging {
    cursor: grabbing;
}

.certificate-item {
    flex: 0 0 calc(33.333% - 1rem);
    background: transparent;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    text-align: left;
    cursor: pointer;
}

.certificate-item:hover {
    transform: scale(1.05);
    z-index: 10;
}

.certificate-item img {
    width: 100%;
    height: 300px;
    object-fit: contain;
    display: block;
    transition: transform 0.3s ease;
    border-radius: 10px;
    box-shadow: var(--shadow-light);
}

.certificate-item:hover img {
    transform: scale(1.1);
    box-shadow: var(--shadow-medium);
}

/* Навігаційні кнопки сертифікатів */
.certificate-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: var(--shadow-medium);
}

.certificate-nav:hover {
    background: var(--secondary-color);
    transform: translateY(-50%) scale(1.1);
}

.certificate-nav.prev {
    left: 2px;
}

.certificate-nav.next {
    right: 2px;
}

.certificate-nav:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Індикатори для сертифікатів */
.certificate-indicators {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 1.5rem;
}

.certificate-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ccc;
    cursor: pointer;
    transition: all 0.3s ease;
}

.certificate-dot.active {
    background: var(--primary-color);
    width: 12px;
    height: 12px;
}

.certificate-dot:hover {
    background: var(--secondary-color);
}

.certificate-info {
    padding: 1.5rem;
}

.certificate-info h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.certificate-info p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.certificate-info .year {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Відгуки */
.testimonials {
    padding: 100px 0;
    background: var(--background-white);
}

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

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

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

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

.testimonial-content {
    margin-bottom: 1.5rem;
}

.stars {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.testimonial-text {
    color: var(--text-light);
    font-style: italic;
    line-height: 1.6;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid var(--primary-color);
    box-shadow: var(--shadow-light);
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.author-info h4 {
    margin: 0;
    color: var(--text-dark);
    font-size: 1rem;
}

.author-info span {
    color: var(--text-light);
    font-size: 0.85rem;
}

.testimonial-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    color: white;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 2;
    box-shadow: var(--shadow-light);
}

.testimonial-nav:hover {
    background: var(--secondary-color);
    transform: translateY(-50%) scale(1.1);
}

.testimonial-prev {
    left: 20px;
}

.testimonial-next {
    right: 20px;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 3rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ccc;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--primary-color);
    width: 14px;
    height: 14px;
}

.dot:hover {
    background: var(--secondary-color);
}

.testimonial-cta {
    text-align: center;
    padding: 3rem;
    background: var(--gradient-primary);
    border-radius: 20px;
    color: white;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: var(--shadow-medium);
}

.testimonial-cta h3 {
    margin-bottom: 1rem;
    color: white;
    font-size: 1.8rem;
}

.testimonial-cta p {
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

.testimonial-cta .btn {
    background: white;
    color: var(--primary-color);
    font-weight: 600;
    padding: 15px 30px;
    font-size: 1.1rem;
}

.testimonial-cta .btn:hover {
    background: var(--background-light);
    transform: translateY(-2px);
}

/* CTA секція після послуг */
.cta-after-services {
    padding: 60px 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta-after-services .cta-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.cta-after-services h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 2rem;
}

.cta-after-services p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.cta-after-services .btn {
    background: white;
    color: var(--primary-color);
    font-weight: 600;
    padding: 15px 35px;
}

.cta-after-services .btn:hover {
    background: var(--background-light);
    transform: translateY(-2px);
}

/* Контакти */
.contact {
    padding: 100px 0;
    background: var(--background-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    margin-bottom: 2rem;
    color: var(--text-dark);
    font-size: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contact-item i {
    color: var(--primary-color);
    margin-right: 1rem;
    font-size: 1.2rem;
    width: 30px;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e1e1e1;
    border-radius: 10px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Футер */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 50px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section h3 {
    font-size: 1.3rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.footer-tagline {
    color: #cccccc;
}

/* Модальне вікно */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background: white;
    margin: 15% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    position: relative;
}

.close {
    color: #aaa;
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: var(--text-dark);
}


/* Адаптивність для планшетів */
@media (max-width: 1024px) {
    .publications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
    
    .publication-content h3 {
        font-size: 1rem;
        min-height: 2.5rem;
    }
    
    .publication-content p {
        font-size: 0.85rem;
    }
}

/* Адаптивність */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .language-switcher {
        margin-left: 0.5rem;
    }
    
    .lang-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu.active .lang-btn {
        background: var(--primary-color);
        color: white;
        border-color: var(--primary-color);
    }
    
    .nav-menu .lang-menu {
        top: calc(100% + 5px);
        box-shadow: var(--shadow-light);
    }
    
    /* Мовний перемикач у мобільному меню */
    .nav-menu .language-switcher {
        margin: 1rem 0;
        display: flex;
        justify-content: center;
    }
    
    .nav-menu .lang-dropdown {
        position: relative;
    }
    
    .nav-menu .lang-menu {
        position: absolute;
        top: calc(100% + 5px);
        left: 50%;
        transform: translateX(-50%) translateY(-10px);
    }
    
    .nav-menu .lang-menu.show {
        transform: translateX(-50%) translateY(0);
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .about-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .about-image {
        flex: none;
        align-self: center;
    }
    
    .about-image img {
        width: 250px;
        height: 320px;
    }
    
    .credentials {
        flex-direction: column;
        gap: 1rem;
    }
    
    .credential-item {
        flex: 1 1 100%;
        justify-content: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .publications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .publication-content h3 {
        font-size: 0.95rem;
        min-height: 2.4rem;
        -webkit-line-clamp: 3;
    }
    
    .publication-content p {
        font-size: 0.8rem;
        -webkit-line-clamp: 2;
    }
    
    .read-more {
        font-size: 0.85rem;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .cta-after-services {
        padding: 40px 20px;
    }
    
    .cta-after-services h3 {
        font-size: 1.8rem;
    }
    
    .cta-after-services p {
        font-size: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Анімації */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Анімація для відгуків */
.testimonial-card {
    opacity: 1 !important;
    transform: translateY(0) !important;
    transition: all 0.3s ease;
}

.testimonial-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.testimonial-nav {
    z-index: 10;
}

.testimonial-nav:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Покращення для точок навігації */
.dot:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Плавна прокрутка */
html {
    scroll-behavior: smooth;
}

/* Адаптивність для нового CTA блоку */
@media (max-width: 768px) {
    .cta-after-services .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    /* Адаптивність для галереї сертифікатів */
    .certificate-item {
        flex: 0 0 calc(50% - 0.75rem);
    }
    
    .certificate-item img {
        height: 240px;
    }
    
    .certificate-nav {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .certificate-nav.prev {
        left: 7px;
    }
    
    .certificate-nav.next {
        right: 7px;
    }
}

@media (max-width: 480px) {
    .certificate-item {
        flex: 0 0 calc(100% - 0.75rem);
    }
    
    .certificate-item img {
        height: 200px;
    }
    
    .certificate-nav {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .certificate-nav.prev {
        left: 12px;
    }
    
    .certificate-nav.next {
        right: 12px;
    }
}

/* Форма успіху */
.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    border: 1px solid #c3e6cb;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    border: 1px solid #f5c6cb;
}

/* Плаваюча кнопка наверх */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-medium);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    transform: translateY(20px);
}

.scroll-to-top:hover {
    background: var(--gradient-secondary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.scroll-to-top:active {
    transform: translateY(-1px);
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Анімація пульсації для кнопки */
@keyframes pulse-button {
    0% {
        box-shadow: 0 0 0 0 rgba(74, 144, 226, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(74, 144, 226, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(74, 144, 226, 0);
    }
}

.scroll-to-top.show {
    animation: pulse-button 2s infinite;
}

/* Адаптивність для плаваючої кнопки */
@media (max-width: 768px) {
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .scroll-to-top {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
}