:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #e74c3c;
    --secondary-dark: #c0392b;
    --dark-color: #2c3e50;
    --light-color: #f8f9fa;
    --text-color: #333;
    --text-light: #666;
    --border-radius: 10px;
    --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;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

body.preload * {
    animation: none !important;
    transition: none !important;
}

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

.animate-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
}

.loader {
    width: 60px;
    height: 60px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.preloader-text {
    font-size: 1rem;
    color: var(--dark-color);
    font-weight: 500;
}

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

.navbar {
    background-color: white;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transform: translateY(-100%);
    animation: slideDown 0.8s ease 0.5s forwards;
}

@keyframes slideDown {
    to {
        transform: translateY(0);
    }
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 700;
    font-size: 1.2rem;
    opacity: 0;
    animation: fadeIn 0.8s ease 0.7s forwards;
}

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

.logo img {
    height: 40px;
    margin-right: 12px;
    transition: var(--transition);
}

.logo:hover img {
    transform: scale(1.05);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    width: 30px;
    height: 30px;
    cursor: pointer;
    position: relative;
    z-index: 1001;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--dark-color);
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav-menu {
    display: flex;
    gap: 30px;
    opacity: 0;
    animation: fadeIn 0.8s ease 0.9s forwards;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
}

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

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

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

.nav-contacts {
    opacity: 0;
    animation: fadeIn 0.8s ease 1.1s forwards;
}

.phone {
    background-color: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    white-space: nowrap;
}

.phone:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.phone i {
    font-size: 1.1rem;
}

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
    color: white;
    padding: 180px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: heroReveal 1.2s ease-out forwards;
    opacity: 0;
}

@keyframes heroReveal {
    0% {
        opacity: 0;
        transform: scale(1.1);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="white" opacity="0.05"/></svg>');
    background-size: cover;
}

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

.hero-title {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
    opacity: 0;
    animation: slideUpFade 1s ease 0.3s forwards;
}

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

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    opacity: 0;
    animation: slideUpFade 1s ease 0.5s forwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: slideUpFade 1s ease 0.7s forwards;
}

.btn {
    padding: 15px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(231, 76, 60, 0.3);
}

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

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

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(231, 76, 60, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(231, 76, 60, 0);
    }
}

section {
    padding: 100px 0;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.about-text {
    margin-bottom: 25px;
    line-height: 1.7;
}

.highlight-box {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-left: 4px solid var(--primary-color);
    padding: 30px;
    margin-top: 40px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.highlight-box:hover {
    transform: translateX(10px);
}

.highlight-box h3 {
    color: var(--dark-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
}

.highlight-box i {
    color: var(--primary-color);
}

.services {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: #2c3e50;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: #3498db;
    border-radius: 2px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.service-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    opacity: 1 !important;
    visibility: visible !important;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2ecc71);
}

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

.service-icon {
    font-size: 48px;
    color: #3498db;
    margin-bottom: 20px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card h3 {
    color: #2c3e50;
    font-size: 1.4rem;
    margin-bottom: 15px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.price {
    font-size: 1.8rem;
    color: #e74c3c;
    font-weight: bold;
    margin: 15px 0;
}

.service-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    min-height: 80px;
}

.service-more {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.service-more:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .service-card {
        padding: 25px 20px;
    }

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

@media (min-width: 769px) and (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.faq-grid {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: white;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.faq-question {
    width: 100%;
    padding: 25px;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer.active {
    padding: 0 25px 25px;
    max-height: 500px;
}

.faq-answer p {
    line-height: 1.7;
    color: var(--text-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.contact-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-top: 5px;
}

.contact-item h3 {
    margin-bottom: 8px;
    color: var(--dark-color);
    font-size: 1.2rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.contact-action {
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
    color: white;
    padding: 50px 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-action h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.contact-action p {
    margin-bottom: 25px;
    opacity: 0.9;
}

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

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

.footer-logo img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-logo p {
    opacity: 0.8;
    line-height: 1.6;
}

.footer-links, .footer-contacts {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links h4, .footer-contacts h4 {
    margin-bottom: 20px;
    color: white;
    font-size: 1.2rem;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-contacts p {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #bdc3c7;
}

.footer-contacts i {
    color: var(--primary-color);
    width: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #4a5f7a;
    color: #bdc3c7;
    font-size: 0.9rem;
}

.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

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

.scroll-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .contact-grid {
        gap: 40px;
    }

    .service-card {
        padding: 30px 20px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .navbar .container {
        height: 70px;
        padding: 0 15px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

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

    .nav-contacts {
        display: none;
    }

    .hero {
        padding: 150px 0 80px;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    section {
        padding: 80px 0;
    }

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

    .contact-action {
        padding: 40px 20px;
    }

    .footer-content {
        gap: 30px;
    }
}

.simple-banner {
    padding: 40px 0;
    background: #f8f9fa;
    display: flex;
    justify-content: center;
    align-items: center;
}

.simple-image {
    max-width: 90%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.simple-image:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    .simple-banner {
        padding: 20px 0;
    }

    .simple-image {
        max-width: 95%;
        border-radius: 8px;
    }
}

@media (min-width: 1200px) {
    .simple-image {
        max-width: 1100px;
    }
}

@media (max-width: 768px) {
    .slider-container {
        height: 350px !important;
    }

    .slider-btn {
        width: 40px !important;
        height: 40px !important;
        font-size: 1.2rem !important;
    }

    .thumbnail > div {
        width: 80px !important;
        height: 60px !important;
    }
}

@media (max-width: 480px) {
    .slider-container {
        height: 250px !important;
    }

    .image-slider {
        padding: 15px !important;
    }
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-image {
    height: 50px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
    transition: filter 0.3s ease;
}

.logo:hover .logo-image {
    filter: brightness(1.1);
}

.logo-text {
    color: #2c3e50;
    font-weight: 700;
    font-size: 1.4rem;
    white-space: nowrap;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.footer-logo-image {
    height: 60px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.footer-logo-text h3 {
    color: white;
    margin: 0 0 8px 0;
    font-size: 1.5rem;
}

.footer-logo-text p {
    color: #bdc3c7;
    margin: 0;
    line-height: 1.5;
    font-size: 0.95rem;
}

.footer-bottom-logo {
    height: 30px;
    width: auto;
    margin-right: 15px;
    vertical-align: middle;
    filter: brightness(0) invert(0.7);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding-top: 30px;
    border-top: 1px solid #4a5f7a;
    color: #bdc3c7;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .logo {
        gap: 8px;
    }

    .logo-image {
        height: 40px;
        max-width: 120px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .footer-logo {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .footer-logo-image {
        height: 50px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .footer-bottom-logo {
        margin-right: 0;
        margin-bottom: 10px;
    }
}

@media (max-width: 480px) {
    .logo-text {
        display: none;
    }

    .logo-image {
        height: 35px;
    }
}

@keyframes logoAppear {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo {
    animation: logoAppear 0.8s ease-out 0.3s both;
}