:root {
    --nav-breakpoint: 960px;
}

html,
body {
    overflow-x: hidden;
    width: 100%;
}

.top-header,
.main-header {
    width: 100%;
}

.main-header {
    position: sticky;
    top: 0 !important;
    z-index: 1002;
    overflow: visible;
}

.top-header {
    position: static;
}

.mobile-nav-toggle {
    display: none;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.mobile-nav-toggle span {
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 1px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-nav-toggle:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.65);
}

body.nav-open {
    overflow: hidden;
}

body.nav-open .mobile-nav-toggle span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

body.nav-open .mobile-nav-toggle span:nth-child(2) {
    opacity: 0;
}

body.nav-open .mobile-nav-toggle span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-overlay {
    display: none;
}

@media (max-width: 1200px) {
    .top-header-container,
    .header-container,
    .contact-form-container,
    .services-cards-container,
    .services-container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .hero-section {
        background-attachment: scroll;
    }
}

@media (max-width: 1024px) {
    .contact-info {
        flex-wrap: wrap;
        row-gap: 8px;
    }

    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 960px) {
    .top-header {
        position: static;
        font-size: 0.78rem;
    }

    .top-header-container {
        justify-content: center;
    }

    .contact-info {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .contact-item {
        width: 100%;
        color: #5c6b7a;
    }

    .main-header .header-container {
        gap: 16px;
        flex-wrap: nowrap;
        align-items: center;
        position: relative;
        justify-content: flex-start;
        padding: 5px 20px;
        width: 100%;
        max-width: none;
        min-height: 68px;
    }

    .mobile-nav-toggle {
        display: flex;
        order: initial;
        position: static;
        margin-left: auto;
        transform: none;
    }

    .main-nav {
        position: fixed !important;
        top: 0;
        right: 0;
        width: min(340px, 85vw);
        height: 100vh;
        background: #0b1524;
        flex-direction: column;
        align-items: flex-start;
        padding: 110px 32px 40px;
        gap: 16px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        box-shadow: -6px 0 25px rgba(0, 0, 0, 0.4);
        z-index: 1003;
    }

    body.nav-open .main-nav {
        transform: translateX(0);
    }

    .nav-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(2, 7, 15, 0.65);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
        z-index: 1001;
    }

    body.nav-open .nav-overlay {
        opacity: 1;
        pointer-events: auto;
    }

    .main-nav .nav-link,
    .main-nav .consultation-btn {
        width: 100%;
    }

    .main-nav .nav-link {
        justify-content: space-between;
        padding: 10px 0;
        border-radius: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .nav-link svg.nav-icon {
        width: 18px;
        height: 18px;
    }

    .dropdown {
        width: 100%;
    }

    .dropdown-arrow {
        margin-left: auto;
        transition: transform 0.3s ease;
    }

    .dropdown-content {
        position: static;
        display: none;
        box-shadow: none;
        padding: 4px 0 0 0;
        background: transparent;
        width: 100%;
    }

    .dropdown.dropdown-open .dropdown-content {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .dropdown.dropdown-open .dropdown-arrow {
        transform: rotate(180deg);
    }

    .dropdown-item {
        color: rgba(255, 255, 255, 0.85);
        padding: 8px 0 8px 14px;
        border-left: 2px solid rgba(61, 243, 187, 0.4);
        background: rgba(255, 255, 255, 0.03);
    }

    /*пасхалка*/
    .dropdown-item::before {
        display: none;
    }

    .main-nav .consultation-btn {
        border: 1px solid rgba(61, 243, 187, 0.55);
        border-radius: 8px;
        background: rgba(61, 243, 187, 0.1);
        text-align: center;
    }

    .hero-section,
    .welcome-container {
        padding-top: 60px;
    }

    .welcome-content h1 {
        font-size: clamp(2rem, 6vw, 2.6rem);
        white-space: normal;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-btn {
        width: 100%;
        justify-content: center;
    }

    .services-cards-container,
    .services-container {
        grid-template-columns: 1fr;
    }

    .services-cards-section,
    .services-section,
    .contact-form-section,
    .popular-brands-section,
    .partners-text-section {
        padding-left: 0;
        padding-right: 0;
    }

    .contact-form {
        padding: 24px;
    }

    .form-row {
        grid-template-columns: 1fr !important;
    }

    .partners-carousel,
    .popular-brands-carousel {
        padding: 0 16px;
    }

    .partner-item,
    .popular-brand-item {
        min-width: 140px;
        height: 80px;
    }
}

@media (max-width: 600px) {
    .top-header-container {
        padding: 0 12px;
    }

    .contact-item {
        font-size: 0.85rem;
        padding-right: 24px;
    }

    .hero-section {
        padding: 40px 0 30px;
    }

    .hero-badge {
        font-size: 0.78rem;
        padding: 6px 14px;
    }

    .hero-brands img {
        height: 24px;
    }

    .service-card {
        padding: 22px 16px;
    }

    .service-tile .service-image {
        height: 200px;
    }

    .contact-form-title {
        font-size: 1.8rem;
    }

    .contact-form-subtitle {
        font-size: 1rem;
    }

    .footer-content {
        padding: 0 16px;
    }
}

@media (max-width: 420px) {
    .main-header .header-container {
        padding: 0px 16px;
    }
}