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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: #2563eb;
    text-decoration: none;
}

.logo-image {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #2563eb;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: #2563eb;
}

.header-contacts {
    display: flex;
    align-items: center;
}

.phone-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
    padding: 10px 20px;
    border: 2px solid #2563eb;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.phone-link:hover {
    background: #2563eb;
    color: white;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #f1f5f9;
    color: #475569;
    border: 2px solid #e2e8f0;
}

.btn-secondary:hover {
    background: #e2e8f0;
    color: #334155;
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 100px 0;
    overflow: hidden;
}

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

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    color: #64748b;
    margin-bottom: 40px;
}

.hero-features {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #475569;
    font-weight: 500;
}

.feature i {
    color: #2563eb;
    font-size: 20px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* Services Section */
.services {
    padding: 100px 0;
    background: white;
}

.services h2 {
    text-align: center;
    font-size: 42px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 60px;
}

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

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid #f1f5f9;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.service-icon i {
    font-size: 32px;
    color: white;
}

.service-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 15px;
}

.service-card p {
    color: #64748b;
    margin-bottom: 25px;
    line-height: 1.6;
}

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

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

.about h2 {
    font-size: 42px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 40px;
}

.advantages {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.advantage {
    display: flex;
    align-items: center;
    gap: 25px;
}

.advantage-number {
    font-size: 36px;
    font-weight: 700;
    color: #2563eb;
    min-width: 80px;
}

.advantage-text h4 {
    font-size: 20px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 5px;
}

.advantage-text p {
    color: #64748b;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 15px;
    color: #475569;
    font-weight: 500;
}

.about-feature i {
    color: #2563eb;
    font-size: 18px;
    width: 20px;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* Contacts Section */
.contacts {
    padding: 100px 0;
    background: white;
}

.contacts h2 {
    text-align: center;
    font-size: 42px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 60px;
}

.contacts-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

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

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-item i {
    font-size: 20px;
    color: #2563eb;
    margin-top: 5px;
    min-width: 24px;
}

.contact-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
}

.contact-item p {
    color: #64748b;
    margin-bottom: 5px;
}

.contact-item a {
    color: #2563eb;
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form {
    background: #f8fafc;
    padding: 40px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 30px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

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

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-logo img {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

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

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

.footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #3b82f6;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #334155;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #3b82f6;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 20px;
    text-align: center;
}

.legal-info p {
    color: #94a3b8;
    margin-bottom: 5px;
    font-size: 14px;
}

/* Consultation Section */
.consultation-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.consultation-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="50" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="30" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.consultation-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.consultation-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
    color: white;
}

.consultation-text p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.consultation-btn {
    background: white;
    color: #2563eb;
    border: none;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

.consultation-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    background: #f8fafc;
}

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

.consultation-icon {
    font-size: 80px;
    opacity: 0.3;
    margin-left: 40px;
}

/* Order Repair Modal */
.order-repair-modal {
    max-width: 600px;
    padding: 0;
    border-radius: 16px;
    overflow: hidden;
}

.order-repair-modal .modal-header {
    background: #f8fafc;
    padding: 25px 30px 20px;
    border-bottom: 1px solid #e2e8f0;
}

.order-repair-modal .modal-title {
    font-size: 24px;
    font-weight: 600;
    color: #1e293b;
    margin: 0;
}

.order-repair-modal .modal-body {
    padding: 30px;
    max-height: 70vh;
    overflow-y: auto;
}

.order-subtitle {
    color: #64748b;
    margin-bottom: 25px;
    line-height: 1.5;
}

.order-repair-modal select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    background: white;
    color: #374151;
    transition: border-color 0.3s ease;
    font-family: inherit;
    cursor: pointer;
}

.order-repair-modal select:focus {
    outline: none;
    border-color: #2563eb;
}

.order-repair-modal textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    font-family: inherit;
    resize: vertical;
    min-height: 100px;
}

.order-repair-modal textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.order-repair-modal .form-group input[type="tel"] {
    border-style: dashed;
}

/* Consultation Modal */
.consultation-modal {
    max-width: 500px;
    padding: 0;
    border-radius: 16px;
    overflow: hidden;
}

.consultation-modal .modal-header {
    background: #f8fafc;
    padding: 25px 30px 20px;
    border-bottom: 1px solid #e2e8f0;
}

.consultation-modal .modal-title {
    font-size: 24px;
    font-weight: 600;
    color: #1e293b;
    margin: 0;
}

.consultation-modal .modal-body {
    padding: 30px;
}

.consultation-subtitle {
    color: #64748b;
    margin-bottom: 25px;
    line-height: 1.5;
}

.device-selection {
    margin-bottom: 25px;
}

.device-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 12px;
}

.device-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.device-btn {
    padding: 8px 16px;
    background: #f1f5f9;
    border: 2px solid #e2e8f0;
    border-radius: 25px;
    color: #64748b;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.device-btn:hover,
.device-btn.active {
    background: #dbeafe;
    border-color: #2563eb;
    color: #2563eb;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

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

.consultation-modal .form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 8px;
}

.consultation-modal .form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.consultation-modal .form-group input:focus {
    outline: none;
    border-color: #2563eb;
}

.consultation-modal .form-group input[type="tel"] {
    border-style: dashed;
}

.required {
    color: #dc2626;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-size: 14px;
    color: #64748b;
    line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
    margin-right: 10px;
    margin-top: 2px;
}

.checkmark {
    display: inline-block;
    width: 18px;
    height: 18px;
    background: white;
    border: 2px solid #d1d5db;
    border-radius: 4px;
    margin-right: 10px;
    margin-top: 1px;
    position: relative;
    flex-shrink: 0;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #10b981;
    border-color: #10b981;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: -2px;
    left: 3px;
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: #059669;
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background: #047857;
    transform: translateY(-1px);
}

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: #1d4ed8;
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header-content {
        position: relative;
    }
    
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        padding: 20px;
    }
    
    .nav.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 15px;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .header-contacts {
        display: none;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .services,
    .about,
    .contacts {
        padding: 60px 0;
    }
    
    .services h2,
    .about h2,
    .contacts h2 {
        font-size: 32px;
        margin-bottom: 40px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .about-content,
    .contacts-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .advantages {
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .consultation-section {
        padding: 60px 0;
    }
    
    .consultation-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .consultation-text h2 {
        font-size: 28px;
    }
    
    .consultation-icon {
        font-size: 60px;
        margin-left: 0;
    }
    
    .consultation-modal,
    .order-repair-modal {
        margin: 20px;
        max-width: calc(100vw - 40px);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .device-buttons {
        gap: 6px;
    }
    
    .device-btn {
        font-size: 13px;
        padding: 6px 12px;
    }
    
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .services h2,
    .about h2,
    .contacts h2,
    .consultation-text h2 {
        font-size: 24px;
    }
    
    .consultation-text p {
        font-size: 16px;
    }
    
    .consultation-btn {
        padding: 12px 24px;
        font-size: 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .contact-form {
        padding: 25px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
}