/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #f59e0b;
    --accent-color: #10b981;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

html {
    scroll-behavior: smooth;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

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

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

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

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

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

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

    .hero-image {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 250px;
        height: 250px;
        padding: 15px;
    }
    
    .about-image {
        width: 250px;
        height: 250px;
        padding: 15px;
    }
    
    .hero-photo,
    .about-photo {
        border-radius: 20px;
    }

.image-placeholder {
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
}

.image-placeholder i {
    font-size: 4rem;
    color: white;
}

/* Стили для реальных изображений */
.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 25px;
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.25), 
                0 8px 16px -8px rgba(0, 0, 0, 0.1),
                0 0 0 1px rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 3px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out;
    opacity: 0;
    animation-fill-mode: forwards;
}

.about-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 25px;
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.25), 
                0 8px 16px -8px rgba(0, 0, 0, 0.1),
                0 0 0 1px rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 3px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out 0.3s;
    opacity: 0;
    animation-fill-mode: forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.hero-photo::before,
.about-photo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.1) 0%, 
        rgba(147, 51, 234, 0.1) 50%, 
        rgba(236, 72, 153, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 25px;
    z-index: 1;
}

.hero-photo:hover,
.about-photo:hover {
    transform: scale(1.08) translateY(-8px);
    box-shadow: 0 32px 64px -12px rgba(0, 0, 0, 0.35), 
                0 16px 32px -16px rgba(0, 0, 0, 0.2),
                0 0 0 1px rgba(255, 255, 255, 0.3);
    border-color: rgba(59, 130, 246, 0.3);
}

.hero-photo:hover::before,
.about-photo:hover::before {
    opacity: 1;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 300px;
    height: 300px;
    position: relative;
    padding: 20px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    border-radius: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 300px;
    height: 300px;
    position: relative;
    padding: 20px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    border-radius: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.stat h4 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-secondary);
    margin: 0;
}

/* Certificates Section */
.certificates-section {
    margin-top: 4rem;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.certificate-card {
    background: white;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.15);
    transition: all 0.3s ease;
    text-align: center;
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
}

.certificate-image {
    width: 100%;
    height: 300px;
    object-fit: contain;
    border-radius: 8px;
    background: white;
    margin-bottom: 1rem;
}

.certificate-name {
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
    font-size: 1.1rem;
}

.certificate-image {
    cursor: pointer;
}

/* Certificate Modal */
.certificate-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.certificate-modal-content {
    margin: auto;
    display: block;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    margin-top: 5vh;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.7); }
    to { transform: scale(1); }
}

.certificate-modal-caption {
    margin: auto;
    display: block;
    width: 90%;
    max-width: 1000px;
    text-align: center;
    color: white;
    padding: 10px 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.certificate-modal-close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10001;
    transition: color 0.3s ease;
}

.certificate-modal-close:hover {
    color: #ccc;
}

/* Services Section */
.services {
    padding: 80px 0;
    background: var(--bg-secondary);
}

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

.service-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.service-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.service-card.featured .service-price {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: 2px solid var(--primary-color);
    box-shadow: 0 6px 12px -2px rgba(59, 130, 246, 0.3);
}

.service-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--gradient-primary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 1.5rem;
    color: white;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
    flex: 1;
}

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

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.service-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-top: auto;
    padding: 1rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 12px;
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.service-price:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.98);
    padding: 12px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.2);
    overflow: hidden;
    max-height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-card:hover {
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateY(-4px);
}

.testimonial-image {
    width: 100%;
    height: auto;
    max-height: 316px;
    object-fit: contain;
    display: block;
    background: white;
    border-radius: 8px;
}

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

.testimonial-content p {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin: 0;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.author-info span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.rating {
    color: var(--secondary-color);
}

.rating i {
    margin-left: 2px;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: var(--bg-secondary);
}

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

.contact-info h3 {
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 1rem;
    font-size: 1.2rem;
}

.contact-item h4 {
    margin: 0;
    color: var(--text-primary);
}

.contact-item p {
    margin: 0;
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Contact Form */
.contact-form {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

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

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

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.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;
}

.footer-section p {
    color: #9ca3af;
    margin-bottom: 0.5rem;
}

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

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

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .testimonials-grid {
        gap: 1.5rem;
        max-width: 900px;
    }
    
    .testimonial-card {
        max-height: 300px;
        padding: 10px;
    }
    
    .testimonial-image {
        max-height: 280px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }

    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .certificate-image {
        height: 250px;
    }

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

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

    .service-card.featured {
        transform: none;
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.2rem;
    }

    .testimonial-card {
        max-height: 280px;
        padding: 10px;
    }

    .testimonial-image {
        max-height: 256px;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .certificate-image {
        height: 200px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 20px;
        max-width: 450px;
    }

    .testimonial-card {
        max-height: 320px;
        padding: 10px;
    }

    .testimonial-image {
        max-height: 300px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

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

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

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

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}