/* =================================================================
   Air Homi Styles - Version 2.4.1
   Last updated: 2024-01-15
   Notes: Updated mobile responsiveness, fixed IE11 compatibility
   ================================================================= */

:root {
    --primary-color: #2563eb;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --background-light: #f8fafc;
    --background-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 10px 15px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

.f1g4-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header styles */
.f1g4-section-header {
    background: var(--background-white);
    box-shadow: var(--shadow-light);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

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

.logo-link {
    text-decoration: none;
}



.navigation-menu {
    display: flex;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

.phone-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
}

.mobile-menu {
    display: none;
    background: var(--background-white);
    box-shadow: var(--shadow-medium);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
}

.mobile-menu.active {
    display: block;
}

.mobile-nav-list {
    list-style: none;
    padding: 1rem 0;
}

.mobile-nav-item {
    padding: 0.5rem 0;
}

.mobile-nav-link {
    display: block;
    padding: 0.5rem 20px;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
}

.mobile-contact {
    padding: 1rem 20px;
    border-top: 1px solid var(--border-color);
}

.mobile-phone, .mobile-email {
    display: block;
    padding: 0.5rem 0;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

/* Hero section */
.f1g4-section-hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../media/air-background.webp') center/cover no-repeat;
    color: white;
    text-align: center;
    padding: 180px 0 80px;
    position: relative;
    overflow: hidden;
}




.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

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

.btn-primary {
    background: var(--secondary-color);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background: transparent;
    color: white;
    padding: 15px 30px;
    border: 2px solid white;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.f1g4-section-about {
    padding: 80px 0;
    background: var(--background-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.section-title {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

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

.about-text {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.about-stats {
    display: grid;
    gap: 1.5rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--background-white);
    border-radius: 12px;
    box-shadow: var(--shadow-light);
}

.stat-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
}

.stat-content h3 {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

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

.about-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
}

.f1g4-section-features {
    padding: 80px 0;
    background: var(--background-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    justify-items: center;
}

.feature-card {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.feature-title {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.feature-text {
    color: var(--text-light);
    line-height: 1.7;
}

.f1g4-section-products {
    padding: 80px 0;
    background: var(--background-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.product-card {
    background: var(--background-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
}

.product-card.featured {
    border: 3px solid var(--accent-color);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 10;
}

.product-image {
    height: 200px;
    overflow: hidden;
}

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

.product-info {
    padding: 2rem;
}

.product-name {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.product-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
}

.product-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    border-bottom: 1px solid var(--border-color);
}

.product-features li:last-child {
    border-bottom: none;
}

.btn-product {
    display: block;
    width: 100%;
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: background 0.3s ease;
}

.btn-product:hover {
    background: #1d4ed8;
}

.f1g4-section-testimonials {
    padding: 80px 0;
    background: var(--background-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--background-light);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    position: relative;
}

.testimonial-rating {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.testimonial-author strong {
    color: var(--text-dark);
    font-weight: 600;
}

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

.f1g4-section-certificates {
    padding: 80px 0;
    background: var(--background-light);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.certificate-item {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease;
}

.certificate-item:hover {
    transform: translateY(-3px);
}

.cert-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.certificate-item h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

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

.f1g4-section-contact {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.8), rgba(55, 48, 163, 0.8)), url('../media/contact-air.webp') center/cover no-repeat;
    color: white;
    position: relative;
    overflow: hidden;
}



.contact-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin: 0 auto;
}

.section-title-white {
    font-size: 2.5rem;
    color: white;
    text-align: center;
    margin-bottom: 3rem;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 16px;
    backdrop-filter: blur(3px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-dark);
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.form-checkbox input[type="checkbox"] {
    width: auto;
    margin-top: 0.2rem;
}

.form-checkbox label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    line-height: 1.5;
}

.form-checkbox label a {
    color: var(--accent-color);
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    background: var(--secondary-color);
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-submit:hover {
    background: #059669;
}

.f1g4-section-footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-title {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--secondary-color);
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.contact-label {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.contact-value {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--text-dark);
    color: white;
    padding: 1rem;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
}

.btn-accept {
    background: var(--secondary-color);
    color: white;
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s ease;
}

.btn-accept:hover {
    background: #059669;
}

.btn-decline {
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    padding: 0.7rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-decline:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.f1g4-section-faq-hero {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white;
    padding: 120px 0 60px;
    text-align: center;
}

.breadcrumbs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.breadcrumbs a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumbs a:hover {
    color: white;
}

.breadcrumbs .separator {
    color: rgba(255, 255, 255, 0.6);
}

.page-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.f1g4-section-faq-general,
.f1g4-section-faq-maintenance {
    padding: 80px 0;
    background: var(--background-white);
}

.f1g4-section-faq-technical {
    padding: 80px 0;
    background: var(--background-light);
}

.technical-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.technical-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
}

.faq-grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.faq-item {
    background: var(--background-white);
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-medium);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--background-white);
    border-bottom: 1px solid var(--border-color);
}

.faq-question h3 {
    color: var(--text-dark);
    font-size: 1.1rem;
    margin: 0;
}

.faq-toggle {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 1.5rem;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

.f1g4-section-faq-contact {
    padding: 80px 0;
    background: var(--background-light);
}

.contact-faq {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-text {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: var(--background-white);
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-option:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.contact-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.contact-details h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--text-light);
    margin: 0;
}

@media (max-width: 768px) {
    .navigation-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }

    .phone-link {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .technical-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .contact-options {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
    }
    
    .cookie-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-accept,
    .btn-decline {
        width: 100%;
    }
}

/* Стили для предупреждения в футере */
.footer-disclaimer {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #92400e;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 2rem;
}

.disclaimer-content {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.disclaimer-icon {
    font-size: 1.5rem;
    color: #92400e;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.9);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-top: 0.2rem;
}

.disclaimer-text {
    line-height: 1.6;
    margin: 0;
    background: rgba(255, 255, 255, 0.9);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    flex: 1;
    border-left: 4px solid #92400e;
}

.disclaimer-text strong {
    color: #92400e;
    font-weight: 700;
}


@media (max-width: 768px) {
    .disclaimer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .disclaimer-icon {
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 480px) {
    .disclaimer-text {
        font-size: 0.9rem;
        padding: 0.8rem 1rem;
    }
    
    .disclaimer-icon {
        width: 30px;
        height: 30px;
        font-size: 1.2rem;
    }
    
    .footer-disclaimer {
        padding: 1rem 0;
    }
}