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

:root {
    --primary: #000000;
    --secondary: #ff7700;
    --accent: #ffaa00;
    --light: #1a1a1a;
    --dark: #0d0d0d;
    --text: #ffffff;
    --price-color: #ffcc00;
    --service-bg: #2a2a2a;
}

body {
    background-color: var(--primary);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(255, 119, 0, 0.2);
    border-bottom: 2px solid var(--secondary);
    backdrop-filter: blur(10px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    text-transform: uppercase;
}

.logo-text {
    background: linear-gradient(45deg, var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(255, 119, 0, 0.5);
    letter-spacing: 3px;
}

.logo-accent {
    color: var(--accent);
    text-shadow: 0 0 8px var(--accent);
    margin-left: 5px;
    letter-spacing: 3px;
}

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

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--secondary);
    transition: width 0.3s;
}

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--secondary);
    margin: 2px 0;
    transition: all 0.3s;
}

.btn {
    display: inline-block;
    background: linear-gradient(45deg, var(--secondary), var(--accent));
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(255, 119, 0, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 119, 0, 0.4);
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    background: linear-gradient(rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.9)), url('assets/images/hero-bg.jpg') no-repeat center center/cover;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, var(--primary) 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-highlight {
    color: var(--secondary);
    text-shadow: 0 0 15px var(--secondary);
}

.hero p {
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: var(--dark);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.8rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-shadow: 0 0 10px rgba(255, 119, 0, 0.3);
}

.section-title p {
    color: #ccc;
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.2rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: linear-gradient(145deg, var(--light), var(--dark));
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.4s;
    text-align: center;
    padding: 2.5rem 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 119, 0, 0.2);
    position: relative;
    opacity: 0;
    transform: translateY(50px);
}

.service-card.animated {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.service-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(255, 119, 0, 0.2);
    border-color: var(--secondary);
}

.service-card i {
    font-size: 3.5rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 15px rgba(255, 119, 0, 0.4);
}

.service-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1.2rem;
    color: var(--text);
}

.service-card p {
    color: #bbb;
    line-height: 1.7;
}

/* Service Categories */
.service-categories {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.category-btn {
    padding: 1rem 2rem;
    background: var(--dark);
    color: #ccc;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
}

.category-btn.active {
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
    background: linear-gradient(to bottom, rgba(255, 119, 0, 0.1), transparent);
}

.category-content {
    display: none;
}

.category-content.active {
    display: grid;
    animation: fadeIn 0.5s ease-in-out;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

/* Russia Service Section */
.russia-service {
    padding: 4rem 0;
    background: linear-gradient(to right, var(--primary), var(--dark));
    text-align: center;
    border-top: 2px solid var(--accent);
    border-bottom: 2px solid var(--accent);
}

.russia-service-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.russia-icon {
    font-size: 3rem;
    color: var(--accent);
    text-shadow: 0 0 15px rgba(255, 170, 0, 0.4);
}

.russia-text {
    max-width: 600px;
}

.russia-text h3 {
    color: var(--secondary);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.russia-text p {
    color: #ccc;
    font-size: 1.2rem;
}

/* Tabs Section */
.tabs {
    padding: 6rem 0;
    background: var(--primary);
    position: relative;
}

.tabs:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--secondary), transparent);
}

.tab-buttons {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.tab-btn {
    padding: 1rem 2rem;
    background: var(--dark);
    color: #ccc;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
}

.tab-btn.active {
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
    background: linear-gradient(to bottom, rgba(255, 119, 0, 0.1), transparent);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

.price-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
    background: var(--dark);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    border: 2px solid var(--accent);
}

.price-table th, .price-table td {
    padding: 1.2rem;
    text-align: left;
    border-bottom: 1px solid #444;
    transition: all 0.3s ease;
}

.price-table th {
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    color: var(--price-color);
    font-weight: 700;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

.price-table tr:last-child td {
    border-bottom: none;
}

.price-table tr:hover {
    background: rgba(255, 119, 0, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 119, 0, 0.2);
}

.price-table tr:hover td {
    color: var(--accent);
}

.price-table .price {
    color: #FFFFFF;
    font-weight: 700;
    text-align: right;
    font-size: 1.1rem;
}

/* Portfolio Section */
.portfolio {
    padding: 6rem 0;
    background: var(--dark);
    position: relative;
}

.portfolio:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--secondary), transparent);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--service-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(255, 119, 0, 0.3);
}

.portfolio-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-title {
    color: var(--accent);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.portfolio-desc {
    color: #ccc;
    font-size: 0.9rem;
}

/* Map Section */
.map-section {
    padding: 6rem 0;
    background: var(--primary);
    position: relative;
}

.map-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--secondary), transparent);
}

.map-container {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    align-items: center;
}

.map-info {
    flex: 1;
    min-width: 300px;
}

.map-info h3 {
    color: var(--secondary);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.map-info p {
    color: #ccc;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.map-frame {
    flex: 1;
    min-width: 300px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 2px solid var(--accent);
}

.map-frame iframe {
    width: 100%;
    height: 400px;
    display: block;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: linear-gradient(to bottom, var(--primary), var(--dark));
    position: relative;
}

.contact:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--secondary), transparent);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: var(--secondary);
    text-shadow: 0 0 10px rgba(255, 119, 0, 0.3);
}

.contact-details {
    list-style: none;
}

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

.contact-details i {
    margin-right: 1.2rem;
    font-size: 1.5rem;
    color: var(--secondary);
    text-shadow: 0 0 10px rgba(255, 119, 0, 0.3);
    width: 30px;
}

.contact-details a {
    color: #eee;
    text-decoration: none;
    transition: color 0.3s;
}

.contact-details a:hover {
    color: var(--secondary);
}

.social-links {
    display: flex;
    gap: 1.2rem;
    margin-top: 2.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--light), var(--dark));
    color: var(--secondary);
    font-size: 1.5rem;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    text-decoration: none;
}

.social-links a:hover {
    transform: translateY(-5px);
    color: var(--accent);
    box-shadow: 0 8px 20px rgba(255, 119, 0, 0.3);
}

/* Improved Contact Form */
.contact-form {
    background: var(--dark);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--secondary);
}

.contact-form h3 {
    color: var(--accent);
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.8rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #ccc;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    background: var(--light);
    color: white;
    font-size: 1rem;
    border: 1px solid rgba(255, 119, 0, 0.3);
    transition: all 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 10px rgba(255, 119, 0, 0.2);
}

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

.checkbox-group {
    margin: 1.5rem 0;
}

.checkbox-title {
    color: #ccc;
    margin-bottom: 1rem;
    font-weight: 600;
}

.checkbox-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* Beautiful Animated Checkboxes */
.checkbox-option {
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
    padding-left: 35px;
    min-height: 25px;
}

.checkbox-option input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    position: absolute;
    left: 0;
    height: 25px;
    width: 25px;
    background-color: var(--light);
    border: 2px solid var(--secondary);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.checkbox-option:hover input ~ .checkmark {
    background-color: rgba(255, 119, 0, 0.1);
    transform: scale(1.05);
}

.checkbox-option input:checked ~ .checkmark {
    background-color: var(--secondary);
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(255, 119, 0, 0.5);
    animation: pulseCheckbox 0.5s ease;
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-option input:checked ~ .checkmark:after {
    display: block;
    animation: checkAnim 0.3s ease-in-out;
}

.checkbox-option .checkmark:after {
    left: 7px;
    top: 3px;
    width: 8px;
    height: 13px;
    border: solid white;
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
}

.checkbox-option label {
    margin: 0;
    color: #eee;
    cursor: pointer;
    transition: color 0.3s;
}

.checkbox-option:hover label {
    color: var(--accent);
}

@keyframes checkAnim {
    0% { transform: scale(0) rotate(45deg); opacity: 0; }
    50% { transform: scale(1.2) rotate(45deg); opacity: 0.5; }
    100% { transform: scale(1) rotate(45deg); opacity: 1; }
}

@keyframes pulseCheckbox {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 119, 0, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(255, 119, 0, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 119, 0, 0); }
}

/* Notification */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(45deg, var(--secondary), var(--accent));
    color: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: translateX(100%);
    opacity: 0;
    transition: transform 0.5s ease, opacity 0.5s ease;
    max-width: 400px;
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.notification-content {
    flex: 1;
}

.notification-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.3s;
    flex-shrink: 0;
}

.notification-close:hover {
    transform: scale(1.2);
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 4rem 0 2rem;
    text-align: center;
    border-top: 1px solid rgba(255, 119, 0, 0.2);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-logo {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.footer-text {
    color: #bbb;
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.footer-bottom {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
    color: #888;
}

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

@keyframes slideInUp {
    from { 
        transform: translateY(50px);
        opacity: 0;
    }
    to { 
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--dark);
        padding: 1rem 0;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    }

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

    .nav-links li {
        margin: 1rem 0;
        text-align: center;
    }

    .hamburger {
        display: flex;
    }

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

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

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .section-title h2 {
        font-size: 2.2rem;
    }
    
    .tab-buttons {
        flex-direction: column;
    }
    
    .tab-btn {
        width: 100%;
        text-align: center;
    }
    
    .price-table {
        display: block;
        overflow-x: auto;
    }
    
    .map-container {
        flex-direction: column;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .checkbox-options {
        grid-template-columns: 1fr;
    }
    
    .russia-service-content {
        flex-direction: column;
        text-align: center;
    }
    
    .notification {
        left: 20px;
        right: 20px;
        max-width: none;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .service-categories {
        flex-direction: column;
    }
    
    .category-btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.4rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .service-card {
        padding: 1.5rem 1rem;
    }
    
    .price-table th, .price-table td {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .social-links a {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

/* Glowing effect */
.glow {
    text-shadow: 0 0 10px var(--secondary), 0 0 20px var(--secondary), 0 0 30px var(--secondary);
}

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

.pulse {
    animation: pulse 2s infinite;
}

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

.text-right {
    text-align: right;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 119, 0, 0.3);
    border-radius: 50%;
    border-top-color: var(--secondary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Accessibility improvements */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--secondary);
    color: white;
    padding: 8px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Focus styles for accessibility */
a:focus, button:focus, input:focus, textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
/* Улучшенный стиль таблицы */
.price-table {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    border: 2px solid var(--accent);
}

.price-table th {
    background: linear-gradient(135deg, #FF6B35 0%, #FF8C42 100%);
    color: #FFFFFF;
    padding: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    text-align: center;
    border: none;
    font-size: 1.2rem;
}

.price-table td {
    padding: 1.2rem;
    border-bottom: 1px solid #444;
    transition: all 0.3s ease;
}

.price-table tr:hover td {
    background: rgba(255, 107, 53, 0.1);
    color: #FF6B35;
}
.section-title a {
    color: inherit; /* Наследует цвет заголовка */
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid var(--accent); /* Использует ваш акцентный цвет */
    transition: all 0.3s ease;
}

.section-title a:hover {
    color: var(--accent); /* Цвет при наведении */
    border-bottom-color: currentColor;
}