/* Общие стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #171616;
    --secondary: #6cac3d;
    --accent: #e74c3c;
    --light: #ecf0f1;
    --dark: #fff;
    --text: #333;
    --text-light: #7f8c8d;
}

body {
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

section {
    padding: 80px 0;
}

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

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

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 3px;
    background: var(--secondary);
}

.section-title p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--secondary);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

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

/* Шапка */
header {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

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

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

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

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

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

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Герой секция */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #1a2530 100%);
    color: white;
    padding: 150px 0 100px;
    text-align: center;
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

/* Преимущества */
.features {
    background: var(--light);
}

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

.feature-card {
    background: white;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

.feature-icon {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary);
}

.feature-card p {
    color: var(--text-light);
}

/* О нас */
.about {
    background: white;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary);
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.about-list {
    list-style: none;
    margin: 20px 0;
}

.about-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.about-list i {
    color: var(--secondary);
    margin-right: 10px;
}

.about-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Услуги */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--secondary);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

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

.service-card p {
    color: var(--text-light);
}

/*! Стили для  кнопки калькулятора расчета стоимости ремонта */
.calculator-cta {
    background: linear-gradient(135deg, var(--primary) 0%, #1a2530 100%);
    color: white;
    padding: 60px 40px;
    border-radius: 12px;
    text-align: center;
    margin-top: 50px;
}

.cta-content h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn-large i {
    margin-right: 10px;
}

/*! Портфолио */
/* Стили для слайдера портфолио */
.portfolio-slider {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.portfolio-slider-container {
    flex: 1;
    overflow: hidden;
    border-radius: 12px;
}

.portfolio-slider-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.portfolio-slider-item {
    flex: 0 0 100%;
    min-width: 100%;
    padding: 0 10px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-slider-item.active {
    opacity: 1;
}

.slider-arrow {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: var(--secondary);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.slider-arrow:hover {
    background: var(--primary);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.slider-arrow:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.slider-arrow:disabled:hover {
    background: #bdc3c7;
    transform: none;
}

.portfolio-slider-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    padding: 0 20px;
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: var(--secondary);
    transform: scale(1.2);
}

.slider-dot:hover {
    background: var(--accent);
}

.slider-counter {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 600;
}

.current-slide {
    color: var(--secondary);
    font-size: 1.2rem;
}

.total-slides {
    color: var(--primary);
}

/* Обновленные стили для элементов портфолио */
/* Исправленные стили для слайдера портфолио */
.portfolio-slider {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.portfolio-slider-container {
    flex: 1;
    overflow: hidden;
    border-radius: 12px;
    position: relative;
}

.portfolio-slider-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.portfolio-slider-item {
    flex: 0 0 100%;
    min-width: 100%;
    padding: 0 10px;
    opacity: 0;
    transition: opacity 0.5s ease;
    position: relative;
}

.portfolio-slider-item.active {
    opacity: 1;
}

.slider-arrow {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: var(--secondary);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    z-index: 10;
}

.slider-arrow:hover:not(:disabled) {
    background: var(--primary);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.slider-arrow:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.6;
}

.slider-arrow:disabled:hover {
    background: #bdc3c7;
    transform: none;
}

.portfolio-slider-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    padding: 0 20px;
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.slider-dot.active {
    background: var(--secondary);
    transform: scale(1.2);
}

.slider-dot:hover:not(.active) {
    background: #bbb;
}

.slider-counter {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 600;
}

.current-slide {
    color: var(--secondary);
    font-size: 1.2rem;
}

.total-slides {
    color: var(--primary);
}

/* Обновленные стили для элементов портфолио */
.portfolio-item {
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.portfolio-item img {
    width: 100%;
    max-height: 800px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    color: white;
    padding: 30px 20px 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
}

.project-type {
    display: inline-block;
    background: var(--secondary);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 10px;
}

/* Анимация перехода слайдов */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.portfolio-slider-item.active {
    animation: slideIn 0.5s ease forwards;
}

/* Этапы работы */
.steps {
    background: white;
}

.steps-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.step {
    flex: 0 0 calc(25% - 30px);
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--secondary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary);
}

.step p {
    color: var(--text-light);
}

/* Отзывы */
.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.testimonial-content {
    font-style: italic;
    margin-bottom: 20px;
    color: var(--text-light);
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

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

.author-info h4 {
    color: var(--primary);
    margin-bottom: 5px;
}

.author-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Стили для секции с картой */
.map-section {
    background: var(--light);
    padding: 80px 0;
}

.map-container {
    width: 100%;
    height: 400px;
    margin: 30px 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 2px solid var(--secondary);
}

#yandex-map {
    width: 100%;
    height: 100%;
}

.contact-address {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-address h3 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.contact-address p {
    margin: 10px 0;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.contact-address i {
    color: var(--secondary);
    width: 20px;
}

/* Контакты */
.contact {
    background: var(--light);
}

.contact-content {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.contact-form {
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-right: 15px;
    margin-top: 5px;
}

.contact-details h4 {
    color: var(--primary);
    margin-bottom: 5px;
}

.contact-details p {
    color: var(--text-light);
}

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

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border 0.3s ease;
}

.form-control:focus {
    border-color: var(--secondary);
    outline: none;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Футер */
footer {
    background: var(--dark);
    color: white;
    padding: 70px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--secondary);
}

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

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

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--secondary);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #bdc3c7;
    font-size: 0.9rem;
}

/* Адаптивность */
@media (max-width: 992px) {
    .about-content,
    .contact-content {
        flex-direction: column;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .step {
        flex: 0 0 calc(50% - 30px);
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
    }

    .mobile-menu {
        display: block;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

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

    .section-title h2 {
        font-size: 2rem;
    }

    .portfolio-slider {
        gap: 10px;
    }
    
    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .portfolio-slider-nav {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .portfolio-item img {
        height: 300px;
    }
    
    .portfolio-overlay {
        padding: 20px 15px 15px;
    }
    
    .step {
        flex: 0 0 100%;
    }

    .map-container {
        height: 300px;
        margin: 20px 0;
    }
    
    .contact-address p {
        flex-direction: column;
        gap: 5px;
    }

}

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .service-card,
    .portfolio-item,
    .testimonial {
        padding: 20px;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-slider {
        margin: 0 -10px;
    }
    
    .portfolio-slider-item {
        padding: 0 5px;
    }
    
    .slider-arrow {
        width: 35px;
        height: 35px;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        z-index: 10;
    }
    
    .slider-arrow-prev {
        left: 5px;
    }
    
    .slider-arrow-next {
        right: 5px;
    }
    
    .portfolio-item img {
        height: 250px;
    }
}

/* Дополнительные стили для скролла */
header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

/* Индикатор загрузки */
.slider-loading {
    position: relative;
}

.slider-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Улучшенная доступность */
.slider-arrow:focus {
    outline: 2px solid var(--secondary);
    outline-offset: 2px;
}

.slider-dot:focus {
    outline: 2px solid var(--secondary);
    outline-offset: 2px;
}