/* Основные стили */
:root {
    --primary-color: #4a6bff;
    --secondary-color: #1e2a78;
    --accent-color: #00d9ff;
    --text-color: #333;
    --light-text: #fff;
    --light-bg: #f9f9f9;
    --dark-bg: #1a1a1a;
    --gray-bg: #f0f0f0;
    --border-color: #e0e0e0;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    outline: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--light-text);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    margin-left: 15px;
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--light-text);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* Шапка сайта */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

.header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.98);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo a {
    font-size: 1.8rem;
    color: var(--secondary-color);
    text-decoration: unset;
    width: 50px;
    height: 50px;
    display: block;
}

.logo span {
    color: var(--primary-color);
}

.nav ul {
    display: flex;
    list-style: none;
}

.nav ul li {
    margin-left: 30px;
}

.nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

.nav ul li a:hover::after {
    width: 100%;
}

.nav ul li a.active {
    color: var(--primary-color);
}

.nav ul li a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary-color);
}

/* Главная секция (Hero) */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1497366216548-37526070297c?w=1920&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: var(--light-text);
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.3s;
    animation-fill-mode: both;
}

.cta-buttons {
    animation: fadeInUp 1s ease 0.6s;
    animation-fill-mode: both;
}

/* Секция услуг */
.services {
    background-color: var(--light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(74, 107, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.service-card p {
    color: #666;
}

/* Секция технологий */
.technologies {
    background-color: var(--secondary-color);
    color: var(--light-text);
}

.technologies .section-header h2 {
    color: var(--light-text);
}

.technologies .section-header h2::after {
    background-color: var(--accent-color);
}

.tech-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
}

.tech-icon {
    text-align: center;
    transition: var(--transition);
}

.tech-icon:hover {
    transform: translateY(-10px);
}

.tech-icon i {
    font-size: 3.5rem;
    color: var(--light-text);
    margin-bottom: 10px;
}

.tech-icon span {
    display: block;
    font-size: 1rem;
}

/* Секция проектов/портфолио */
.portfolio {
    background-color: var(--light-bg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-item {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.portfolio-img {
    height: 392px;
    overflow: hidden;
}

.portfolio-img img {
    max-width: 100%;
    height: auto;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.05);
}

.portfolio-info {
    padding: 30px;
}

.portfolio-info h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}
.portfolio-info h3 a {
    text-decoration: none;
}

.portfolio-details {
    display: grid;
    gap: 15px;
}

img{
    object-fit: fill;
    max-width: 100%;
    height: auto;
}
.detail h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

/* Секция отзывов */
.testimonials {
    background-color: #fff;
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonials-track {
    position: relative;
    height: 400px;
}

.testimonial {
    background-color: var(--gray-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateX(100%);
    z-index: 1;
}

.testimonial.active {
    opacity: 1;
    transform: translateX(0);
    z-index: 2;
}

.testimonial:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.testimonials-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
}

.slider-nav {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

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

.testimonials-dots {
    display: flex;
    justify-content: center;
    margin: 0 20px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ccc;
    margin: 0 5px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

.testimonial-content {
    margin-bottom: 20px;
    position: relative;
}

.testimonial-content::before {
    content: '\201C';
    font-size: 4rem;
    color: rgba(74, 107, 255, 0.2);
    position: absolute;
    top: -20px;
    left: -10px;
}

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

.author-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 15px;
}

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

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.author-info p {
    font-size: 0.9rem;
    color: #666;
}

/* Контактная секция */
.contact {
    background-color: var(--light-bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-form {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(74, 107, 255, 0.2);
}

/* Сообщения формы */
.form-message {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    text-align: center;
}

.form-message.success {
    background-color: rgba(40, 167, 69, 0.1);
    border: 1px solid #28a745;
    color: #28a745;
}

.form-message.error {
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid #dc3545;
    color: #dc3545;
}

.contact-info {
    display: grid;
    gap: 25px;
}

.info-item {
    display: flex;
    align-items: flex-start;
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(74, 107, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

.info-icon i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.info-content h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

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

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

/* Подвал сайта */
.footer {
    background-color: var(--dark-bg);
    color: var(--light-text);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.footer-logo span {
    color: var(--primary-color);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.footer-links-column h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.footer-links-column h3::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 2px;
    background-color: var(--primary-color);
    bottom: -10px;
    left: 0;
}

.footer-links-column ul {
    list-style: none;
}

.footer-links-column ul li {
    margin-bottom: 10px;
}

.footer-links-column ul li a {
    color: #aaa;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links-column ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: var(--light-text);
}

/* Страница политики конфиденциальности */
.privacy {
    background-color: var(--light-bg);
    padding-top: 120px;
}

.privacy-content {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.privacy-content h3 {
    color: var(--secondary-color);
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.privacy-content p {
    margin-bottom: 15px;
    line-height: 1.7;
}

.disclaimer {
    margin-top: 40px;
    padding: 15px;
    background-color: rgba(255, 193, 7, 0.1);
    border: 1px solid #ffc107;
    border-radius: 5px;
}

/* Анимации */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Медиа-запросы */
@media screen and (max-width: 992px) {
    .portfolio-item {
        grid-template-columns: 1fr;
    }
    
    .portfolio-img {
        height: 300px;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 80%;
        height: 100vh;
        background-color: #fff;
        box-shadow: var(--shadow);
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav ul {
        flex-direction: column;
        padding: 30px;
    }
    
    .nav ul li {
        margin: 15px 0;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .services-grid,
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .tech-icons {
        gap: 20px;
    }
    
    .tech-icon {
        width: 25%;
        margin-bottom: 20px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 576px) {
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 10px 20px;
    }
    
    .cta-buttons {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-secondary {
        margin-left: 0;
    }
    
    .tech-icon {
        width: 33.33%;
    }
}