/* ============================================
   VideoLiner - Mobile & Responsive Styles
   Author: Professional Web Studio
   Version: 1.0
   ============================================ */

/* === Large Desktop (1440px and below) === */
@media (max-width: 1440px) {
    :root {
        --px-to-vw: calc(100vw / 1440);
    }
}

/* === Tablet Landscape (1024px and below) === */
@media (max-width: 1024px) {
    :root {
        --px-to-vw: calc(100vw / 1024);
        --section-padding: calc(80 * var(--px-to-vw));
    }

    /* Header */
    .burger {
        display: flex;
    }

    .header-actions {
        gap: calc(14 * var(--px-to-vw));
    }

    .header-contact-links {
        gap: calc(10 * var(--px-to-vw));
    }

    .header-phone {
        font-size: calc(14 * var(--px-to-vw));
    }

    .header-messengers {
        gap: calc(8 * var(--px-to-vw));
    }

    .header-messenger {
        width: calc(34 * var(--px-to-vw));
        height: calc(34 * var(--px-to-vw));
    }

    .nav {
        position: fixed;
        top: calc(92 * var(--px-to-vw));
        right: 0;
        width: 100%;
        max-width: 400px;
        height: calc(100vh - calc(92 * var(--px-to-vw)));
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        padding: calc(40 * var(--px-to-vw));
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
    }

    .nav.active {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
    }

    .nav-item {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-link {
        padding: 20px 0;
        font-size: 18px;
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        display: block;
        grid-template-columns: 1fr;
        gap: 0;
        margin-left: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        padding: 0;
        box-shadow: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .dropdown-group-title {
        display: block;
        padding: 18px 0 10px;
    }

    .dropdown-column {
        display: block;
        padding-left: 0;
        margin: 0;
    }

    .dropdown-column a,
    .dropdown-menu li a {
        display: block;
        padding-left: 0;
        padding-right: 0;
    }

    .dropdown.active .dropdown-menu {
        max-height: 2000px;
    }

    .dropdown:hover .dropdown-menu {
        transform: none;
    }

    .nav-mobile-contacts {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: calc(14 * var(--px-to-vw));
        margin-top: calc(24 * var(--px-to-vw));
        padding-top: calc(24 * var(--px-to-vw));
        border-top: 1px solid rgba(255, 255, 255, 0.14);
    }

    .nav-mobile-contacts .header-phone {
        font-size: calc(18 * var(--px-to-vw));
    }

    .nav-mobile-contacts .header-messenger {
        width: calc(42 * var(--px-to-vw));
        height: calc(42 * var(--px-to-vw));
    }

    /* Services Grid */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Portfolio Grid */
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Equipment Grid */
    .equipment-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .fit-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Footer */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* === Tablet Portrait (768px and below) === */
@media (max-width: 768px) {
    .breadcrumbs {
        padding: calc(172 * var(--mob-px-to-vw)) 0 calc(18 * var(--mob-px-to-vw));
    }

    .breadcrumbs-home {
        top: 0;
        padding: calc(92 * var(--mob-px-to-vw)) 0 calc(16 * var(--mob-px-to-vw));
    }

    .breadcrumbs-list {
        gap: calc(6 * var(--mob-px-to-vw));
        font-size: calc(13 * var(--mob-px-to-vw));
    }

    .breadcrumbs-list li:not(:last-child)::after {
        margin-left: calc(6 * var(--mob-px-to-vw));
    }

    :root {
        --base-width: 768;
        --px-to-vw: calc(100vw / 768);
        --mob-px-to-vw: calc(100vw / 768);
        --section-padding: calc(100 * var(--mob-px-to-vw));
        --gap-sm: calc(20 * var(--mob-px-to-vw));
        --gap-md: calc(32 * var(--mob-px-to-vw));
        --gap-lg: calc(48 * var(--mob-px-to-vw));
        --border-radius: calc(20 * var(--mob-px-to-vw));
        --border-radius-lg: calc(32 * var(--mob-px-to-vw));
    }

    /* Container */
    .container,
    .container-fluid {
        padding: 0 calc(32 * var(--mob-px-to-vw));
    }

    .header-contact-links {
        display: none;
    }

    .nav-mobile-contacts {
        gap: calc(18 * var(--mob-px-to-vw));
        margin-top: calc(24 * var(--mob-px-to-vw));
        padding-top: calc(24 * var(--mob-px-to-vw));
    }

    .nav-mobile-contacts .header-phone {
        font-size: calc(26 * var(--mob-px-to-vw));
    }

    .nav-mobile-contacts .header-messengers {
        gap: calc(12 * var(--mob-px-to-vw));
    }

    .nav-mobile-contacts .header-messenger {
        width: calc(52 * var(--mob-px-to-vw));
        height: calc(52 * var(--mob-px-to-vw));
    }

    .burger.active span:nth-child(1) {
        transform: rotate(45deg) translate(calc(10 * var(--mob-px-to-vw)), calc(8 * var(--mob-px-to-vw)));
    }

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

    .burger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(calc(10 * var(--mob-px-to-vw)), calc(-8 * var(--mob-px-to-vw)));
    }

    /* Typography */
    body {
        font-size: calc(28 * var(--mob-px-to-vw));
    }

    .section-label {
        font-size: calc(24 * var(--mob-px-to-vw));
        margin-bottom: calc(24 * var(--mob-px-to-vw));
    }

    .section-title {
        font-size: calc(62 * var(--mob-px-to-vw));
        margin-bottom: calc(32 * var(--mob-px-to-vw));
    }

    .section-description {
        font-size: calc(28 * var(--mob-px-to-vw));
    }

    .section-header {
        margin-bottom: calc(80 * var(--mob-px-to-vw));
    }

    /* Header */
    .header {
        padding: calc(32 * var(--mob-px-to-vw)) 0;
    }

    .header.scrolled {
        padding: calc(24 * var(--mob-px-to-vw)) 0;
    }

    .logo-text {
        font-size: calc(48 * var(--mob-px-to-vw));
    }

    .burger {
        width: calc(80 * var(--mob-px-to-vw));
        height: calc(80 * var(--mob-px-to-vw));
        gap: calc(10 * var(--mob-px-to-vw));
    }

    .burger span {
        height: calc(4 * var(--mob-px-to-vw));
    }

    .nav {
        top: calc(144 * var(--mob-px-to-vw));
        height: calc(100vh - calc(144 * var(--mob-px-to-vw)));
        max-width: 100%;
        padding: calc(64 * var(--mob-px-to-vw));
    }

    .nav-link {
        padding: calc(32 * var(--mob-px-to-vw)) 0;
        font-size: calc(32 * var(--mob-px-to-vw));
    }

    .dropdown-menu {
        padding-left: 0;
    }

    .dropdown-menu li a {
        padding: calc(20 * var(--mob-px-to-vw)) 0;
        font-size: calc(28 * var(--mob-px-to-vw));
    }

    .dropdown-group-title {
        padding: calc(20 * var(--mob-px-to-vw)) 0 calc(10 * var(--mob-px-to-vw));
        font-size: calc(20 * var(--mob-px-to-vw));
    }

    .dropdown-column {
        margin-bottom: calc(12 * var(--mob-px-to-vw));
    }

    /* Hero Section */
    .hero {
        min-height: 80vh;
    }

    .hero-content {
        padding: calc(200 * var(--mob-px-to-vw)) 0 calc(100 * var(--mob-px-to-vw));
    }

    .hero-title {
        font-size: calc(96 * var(--mob-px-to-vw));
        margin-bottom: calc(32 * var(--mob-px-to-vw));
    }

    .hero-subtitle {
        font-size: calc(32 * var(--mob-px-to-vw));
        margin-bottom: calc(64 * var(--mob-px-to-vw));
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: calc(24 * var(--mob-px-to-vw));
        margin-bottom: calc(100 * var(--mob-px-to-vw));
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .hero-stats {
        gap: calc(64 * var(--mob-px-to-vw));
    }

    .stat-number {
        font-size: calc(80 * var(--mob-px-to-vw));
    }

    .stat-label {
        font-size: calc(24 * var(--mob-px-to-vw));
    }

    .scroll-indicator {
        bottom: calc(64 * var(--mob-px-to-vw));
    }

    .mouse {
        width: calc(40 * var(--mob-px-to-vw));
        height: calc(64 * var(--mob-px-to-vw));
    }

    /* Buttons */
    .btn {
        padding: calc(28 * var(--mob-px-to-vw)) calc(48 * var(--mob-px-to-vw));
        font-size: calc(28 * var(--mob-px-to-vw));
        gap: calc(16 * var(--mob-px-to-vw));
    }

    .btn-large {
        padding: calc(32 * var(--mob-px-to-vw)) calc(56 * var(--mob-px-to-vw));
        font-size: calc(32 * var(--mob-px-to-vw));
    }

    /* About Section */
    .about-grid {
        grid-template-columns: 1fr;
        gap: calc(80 * var(--mob-px-to-vw));
    }

    .about-text .lead {
        font-size: calc(36 * var(--mob-px-to-vw));
        margin-bottom: calc(32 * var(--mob-px-to-vw));
    }

    .about-text p {
        font-size: calc(28 * var(--mob-px-to-vw));
        margin-bottom: calc(32 * var(--mob-px-to-vw));
    }

    .features-list {
        gap: calc(24 * var(--mob-px-to-vw));
        margin-top: calc(48 * var(--mob-px-to-vw));
    }

    .feature-item {
        gap: calc(20 * var(--mob-px-to-vw));
        font-size: calc(28 * var(--mob-px-to-vw));
    }

    .feature-item i {
        font-size: calc(32 * var(--mob-px-to-vw));
    }

    .image-badge {
        bottom: calc(32 * var(--mob-px-to-vw));
        right: calc(32 * var(--mob-px-to-vw));
        padding: calc(20 * var(--mob-px-to-vw)) calc(32 * var(--mob-px-to-vw));
        font-size: calc(24 * var(--mob-px-to-vw));
    }

    .hero-badge {
        gap: calc(14 * var(--mob-px-to-vw));
        padding: calc(18 * var(--mob-px-to-vw)) calc(24 * var(--mob-px-to-vw));
        margin-bottom: calc(36 * var(--mob-px-to-vw));
        font-size: calc(20 * var(--mob-px-to-vw));
        border-radius: calc(999 * var(--mob-px-to-vw));
    }

    .hero-badge span:not(:last-child)::after {
        width: calc(6 * var(--mob-px-to-vw));
        height: calc(6 * var(--mob-px-to-vw));
    }

    .hero-highlights {
        grid-template-columns: 1fr;
        gap: calc(18 * var(--mob-px-to-vw));
        margin-bottom: calc(48 * var(--mob-px-to-vw));
    }

    .hero-highlight {
        padding: calc(24 * var(--mob-px-to-vw)) calc(26 * var(--mob-px-to-vw));
        border-radius: calc(20 * var(--mob-px-to-vw));
    }

    .hero-highlight i {
        font-size: calc(28 * var(--mob-px-to-vw));
    }

    .hero-highlight span {
        font-size: calc(24 * var(--mob-px-to-vw));
    }

    .trust-strip {
        margin-top: 0;
        padding: calc(24 * var(--mob-px-to-vw)) 0 calc(12 * var(--mob-px-to-vw));
    }

    .trust-strip-grid {
        grid-template-columns: 1fr;
        gap: calc(24 * var(--mob-px-to-vw));
    }

    .trust-item {
        padding: calc(30 * var(--mob-px-to-vw));
        border-radius: calc(24 * var(--mob-px-to-vw));
    }

    .trust-item-title {
        font-size: calc(30 * var(--mob-px-to-vw));
    }

    .trust-item-text {
        font-size: calc(24 * var(--mob-px-to-vw));
    }

    .about-note {
        margin-top: calc(40 * var(--mob-px-to-vw));
        padding: calc(28 * var(--mob-px-to-vw));
        border-left-width: calc(6 * var(--mob-px-to-vw));
    }

    /* Services Section */
    .services-grid {
        grid-template-columns: 1fr;
        gap: calc(48 * var(--mob-px-to-vw));
    }

    .services-grid-compact {
        grid-template-columns: 1fr;
    }

    .cases-grid,
    .fit-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: calc(28 * var(--mob-px-to-vw));
    }

    .case-card,
    .fit-card,
    .advantage-card {
        padding: calc(40 * var(--mob-px-to-vw));
        border-radius: calc(28 * var(--mob-px-to-vw));
    }

    .case-title {
        font-size: calc(40 * var(--mob-px-to-vw));
    }

    .case-badge,
    .case-location {
        padding: calc(12 * var(--mob-px-to-vw)) calc(18 * var(--mob-px-to-vw));
        font-size: calc(18 * var(--mob-px-to-vw));
    }

    .case-point {
        padding: calc(22 * var(--mob-px-to-vw));
        border-radius: calc(20 * var(--mob-px-to-vw));
    }

    .case-point strong,
    .fit-card h3,
    .advantage-card strong {
        margin-bottom: calc(14 * var(--mob-px-to-vw));
        font-size: calc(30 * var(--mob-px-to-vw));
    }

    .case-point p,
    .fit-card p,
    .advantage-card p {
        font-size: calc(24 * var(--mob-px-to-vw));
    }

    .service-card {
        padding: calc(56 * var(--mob-px-to-vw));
    }

    .service-eyebrow {
        margin-bottom: calc(20 * var(--mob-px-to-vw));
        padding: calc(10 * var(--mob-px-to-vw)) calc(18 * var(--mob-px-to-vw));
        font-size: calc(18 * var(--mob-px-to-vw));
    }

    .featured-badge {
        top: calc(32 * var(--mob-px-to-vw));
        right: calc(32 * var(--mob-px-to-vw));
        padding: calc(12 * var(--mob-px-to-vw)) calc(24 * var(--mob-px-to-vw));
        font-size: calc(20 * var(--mob-px-to-vw));
    }

    .service-icon {
        width: calc(120 * var(--mob-px-to-vw));
        height: calc(120 * var(--mob-px-to-vw));
        font-size: calc(56 * var(--mob-px-to-vw));
        margin-bottom: calc(32 * var(--mob-px-to-vw));
    }

    .service-title {
        font-size: calc(40 * var(--mob-px-to-vw));
        margin-bottom: calc(24 * var(--mob-px-to-vw));
    }

    .service-description {
        font-size: calc(28 * var(--mob-px-to-vw));
        margin-bottom: calc(32 * var(--mob-px-to-vw));
    }

    .service-result {
        margin-bottom: calc(28 * var(--mob-px-to-vw));
        padding: calc(22 * var(--mob-px-to-vw));
        border-radius: calc(18 * var(--mob-px-to-vw));
        font-size: calc(24 * var(--mob-px-to-vw));
    }

    .service-list-compact {
        gap: calc(8 * var(--mob-px-to-vw));
    }

    .service-list li {
        padding: calc(16 * var(--mob-px-to-vw)) 0;
        font-size: calc(26 * var(--mob-px-to-vw));
        padding-left: calc(40 * var(--mob-px-to-vw));
    }

    .service-link {
        font-size: calc(26 * var(--mob-px-to-vw));
        gap: calc(16 * var(--mob-px-to-vw));
    }

    .vr-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: calc(28 * var(--mob-px-to-vw));
        margin-top: calc(36 * var(--mob-px-to-vw));
        padding: calc(34 * var(--mob-px-to-vw)) calc(30 * var(--mob-px-to-vw));
    }

    .vr-banner-label {
        margin-bottom: calc(16 * var(--mob-px-to-vw));
        font-size: calc(18 * var(--mob-px-to-vw));
    }

    .vr-banner-title {
        font-size: calc(42 * var(--mob-px-to-vw));
        margin-bottom: calc(18 * var(--mob-px-to-vw));
    }

    .vr-banner-text {
        font-size: calc(25 * var(--mob-px-to-vw));
    }

    .vr-banner-actions {
        width: 100%;
    }

    .vr-banner-actions .btn {
        width: 100%;
    }

    /* Portfolio Section */
    .portfolio-filters {
        gap: calc(24 * var(--mob-px-to-vw));
        margin-bottom: calc(80 * var(--mob-px-to-vw));
    }

    .filter-btn {
        padding: calc(20 * var(--mob-px-to-vw)) calc(36 * var(--mob-px-to-vw));
        font-size: calc(26 * var(--mob-px-to-vw));
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: calc(48 * var(--mob-px-to-vw));
    }

    .portfolio-title {
        font-size: calc(40 * var(--mob-px-to-vw));
    }

    .portfolio-category {
        font-size: calc(26 * var(--mob-px-to-vw));
        margin-bottom: calc(32 * var(--mob-px-to-vw));
    }

    .btn-play,
    .btn-view {
        width: calc(100 * var(--mob-px-to-vw));
        height: calc(100 * var(--mob-px-to-vw));
        font-size: calc(40 * var(--mob-px-to-vw));
    }

    /* Equipment Section */
    .equipment-grid {
        grid-template-columns: 1fr;
        gap: calc(48 * var(--mob-px-to-vw));
    }

    /* Alternative: Horizontal scroll для мобильных */
    .equipment-grid-scroll {
        display: flex;
        gap: calc(48 * var(--mob-px-to-vw));
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        padding-bottom: calc(32 * var(--mob-px-to-vw));
    }

    .equipment-grid-scroll .equipment-card {
        flex: 0 0 80%;
        scroll-snap-align: start;
    }

    .equipment-image {
        height: calc(400 * var(--mob-px-to-vw));
    }

    .equipment-content {
        padding: calc(48 * var(--mob-px-to-vw));
    }

    .equipment-title {
        font-size: calc(36 * var(--mob-px-to-vw));
        margin-bottom: calc(20 * var(--mob-px-to-vw));
    }

    .equipment-description {
        font-size: calc(26 * var(--mob-px-to-vw));
        margin-bottom: calc(28 * var(--mob-px-to-vw));
    }

    .equipment-specs {
        gap: calc(16 * var(--mob-px-to-vw));
    }

    .spec {
        padding: calc(12 * var(--mob-px-to-vw)) calc(20 * var(--mob-px-to-vw));
        font-size: calc(22 * var(--mob-px-to-vw));
    }

    /* Process Timeline */
    .process-timeline::before {
        left: calc(60 * var(--mob-px-to-vw));
    }

    .timeline-item {
        gap: calc(48 * var(--mob-px-to-vw));
        margin-bottom: calc(80 * var(--mob-px-to-vw));
    }

    .timeline-number {
        width: calc(120 * var(--mob-px-to-vw));
        height: calc(120 * var(--mob-px-to-vw));
        font-size: calc(48 * var(--mob-px-to-vw));
    }

    .timeline-title {
        font-size: calc(40 * var(--mob-px-to-vw));
        margin-bottom: calc(20 * var(--mob-px-to-vw));
    }

    .timeline-description {
        font-size: calc(28 * var(--mob-px-to-vw));
    }

    /* Pricing Section */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: calc(48 * var(--mob-px-to-vw));
        margin-bottom: calc(48 * var(--mob-px-to-vw));
    }

    .pricing-card {
        padding: calc(56 * var(--mob-px-to-vw));
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .pricing-card.featured:hover {
        transform: translateY(calc(-8 * var(--mob-px-to-vw)));
    }

    .pricing-badge {
        top: calc(32 * var(--mob-px-to-vw));
        right: calc(32 * var(--mob-px-to-vw));
        padding: calc(12 * var(--mob-px-to-vw)) calc(24 * var(--mob-px-to-vw));
        font-size: calc(20 * var(--mob-px-to-vw));
    }

    .pricing-badge-soft {
        padding: calc(12 * var(--mob-px-to-vw)) calc(24 * var(--mob-px-to-vw));
        font-size: calc(18 * var(--mob-px-to-vw));
    }

    .pricing-header {
        margin-bottom: calc(48 * var(--mob-px-to-vw));
        padding-bottom: calc(48 * var(--mob-px-to-vw));
    }

    .pricing-title {
        font-size: calc(40 * var(--mob-px-to-vw));
        margin-bottom: calc(24 * var(--mob-px-to-vw));
    }

    .pricing-lead {
        font-size: calc(24 * var(--mob-px-to-vw));
        margin-top: calc(24 * var(--mob-px-to-vw));
    }

    .price-amount {
        font-size: calc(80 * var(--mob-px-to-vw));
    }

    .price-currency {
        font-size: calc(40 * var(--mob-px-to-vw));
    }

    .pricing-features {
        margin-bottom: calc(48 * var(--mob-px-to-vw));
    }

    .pricing-features li {
        padding: calc(20 * var(--mob-px-to-vw)) 0;
        font-size: calc(26 * var(--mob-px-to-vw));
        gap: calc(20 * var(--mob-px-to-vw));
    }

    .pricing-features li i {
        font-size: calc(28 * var(--mob-px-to-vw));
    }

    .pricing-note {
        font-size: calc(24 * var(--mob-px-to-vw));
    }

    .calculator-stack {
        margin-top: calc(56 * var(--mob-px-to-vw));
    }

    .calculator-intro {
        margin-bottom: calc(36 * var(--mob-px-to-vw));
    }

    .pricing-form {
        gap: calc(24 * var(--mob-px-to-vw));
        margin-top: 0;
        padding: calc(36 * var(--mob-px-to-vw));
    }

    .calculator-label {
        gap: calc(12 * var(--mob-px-to-vw));
        font-size: calc(18 * var(--mob-px-to-vw));
    }

    .calculator-title {
        font-size: calc(52 * var(--mob-px-to-vw));
    }

    .calculator-text {
        font-size: calc(26 * var(--mob-px-to-vw));
    }

    .calculator-panel-kicker {
        padding: calc(12 * var(--mob-px-to-vw)) calc(20 * var(--mob-px-to-vw));
        font-size: calc(18 * var(--mob-px-to-vw));
    }

    .calculator-panel-title {
        font-size: calc(42 * var(--mob-px-to-vw));
    }

    .calculator-panel-text {
        font-size: calc(24 * var(--mob-px-to-vw));
    }

    .calculator-tabs {
        gap: calc(12 * var(--mob-px-to-vw));
        padding: calc(10 * var(--mob-px-to-vw));
    }

    .calculator-tab {
        padding: calc(16 * var(--mob-px-to-vw)) calc(28 * var(--mob-px-to-vw));
        font-size: calc(22 * var(--mob-px-to-vw));
    }

    .estimate-output {
        padding: calc(28 * var(--mob-px-to-vw));
        border-radius: calc(24 * var(--mob-px-to-vw));
    }

    .estimate-kicker {
        margin-bottom: calc(14 * var(--mob-px-to-vw));
        font-size: calc(18 * var(--mob-px-to-vw));
    }

    .estimate-range {
        font-size: calc(64 * var(--mob-px-to-vw));
        margin-bottom: calc(16 * var(--mob-px-to-vw));
    }

    .estimate-caption {
        font-size: calc(24 * var(--mob-px-to-vw));
        margin-bottom: calc(14 * var(--mob-px-to-vw));
    }

    .estimate-disclaimer {
        font-size: calc(20 * var(--mob-px-to-vw));
    }

    .calculator-section-title {
        font-size: calc(18 * var(--mob-px-to-vw));
    }

    .calculator-grid {
        grid-template-columns: 1fr;
        gap: calc(20 * var(--mob-px-to-vw));
    }

    .calculator-field-label {
        margin-bottom: calc(12 * var(--mob-px-to-vw));
        font-size: calc(18 * var(--mob-px-to-vw));
    }

    .calculator-range-label {
        gap: calc(16 * var(--mob-px-to-vw));
        margin-bottom: calc(16 * var(--mob-px-to-vw));
        font-size: calc(24 * var(--mob-px-to-vw));
    }

    .calculator-range {
        height: calc(12 * var(--mob-px-to-vw));
    }

    .calculator-range::-webkit-slider-thumb {
        width: calc(34 * var(--mob-px-to-vw));
        height: calc(34 * var(--mob-px-to-vw));
    }

    .calculator-range::-moz-range-thumb {
        width: calc(34 * var(--mob-px-to-vw));
        height: calc(34 * var(--mob-px-to-vw));
    }

    .calculator-range-scale {
        margin-top: calc(12 * var(--mob-px-to-vw));
        font-size: calc(20 * var(--mob-px-to-vw));
    }

    .calculator-range-marks {
        height: calc(48 * var(--mob-px-to-vw));
        margin-top: calc(14 * var(--mob-px-to-vw));
    }

    .calculator-range-marks span::before {
        width: calc(4 * var(--mob-px-to-vw));
        height: calc(16 * var(--mob-px-to-vw));
    }

    .calculator-range-marks span::after {
        top: calc(22 * var(--mob-px-to-vw));
        font-size: calc(16 * var(--mob-px-to-vw));
    }

    .calculator-extras {
        grid-template-columns: 1fr;
        gap: calc(16 * var(--mob-px-to-vw));
    }

    .calculator-extra {
        gap: calc(16 * var(--mob-px-to-vw));
        padding: calc(18 * var(--mob-px-to-vw)) calc(20 * var(--mob-px-to-vw));
        font-size: calc(22 * var(--mob-px-to-vw));
    }

    /* Testimonials Section */
    .testimonials-summary {
        grid-template-columns: 1fr;
        gap: calc(24 * var(--mob-px-to-vw));
        margin-bottom: calc(40 * var(--mob-px-to-vw));
    }

    .testimonial-summary-item {
        padding: calc(32 * var(--mob-px-to-vw));
        border-radius: calc(28 * var(--mob-px-to-vw));
    }

    .testimonial-summary-item strong {
        font-size: calc(46 * var(--mob-px-to-vw));
        margin-bottom: calc(10 * var(--mob-px-to-vw));
    }

    .testimonial-summary-item span {
        font-size: calc(22 * var(--mob-px-to-vw));
    }

    .testimonials-carousel-header {
        flex-direction: column;
        align-items: stretch;
        gap: calc(24 * var(--mob-px-to-vw));
        margin-bottom: calc(28 * var(--mob-px-to-vw));
    }

    .testimonials-carousel-note {
        font-size: calc(22 * var(--mob-px-to-vw));
    }

    .testimonials-carousel-controls {
        justify-content: flex-end;
        gap: calc(16 * var(--mob-px-to-vw));
    }

    .testimonials-control {
        width: calc(78 * var(--mob-px-to-vw));
        height: calc(78 * var(--mob-px-to-vw));
    }

    .testimonials-slider {
        grid-auto-columns: 88%;
        gap: calc(24 * var(--mob-px-to-vw));
    }

    .testimonial-card {
        gap: calc(24 * var(--mob-px-to-vw));
        padding: calc(56 * var(--mob-px-to-vw));
    }

    .testimonial-topline {
        gap: calc(20 * var(--mob-px-to-vw));
    }

    .testimonial-badge,
    .testimonial-location {
        padding: calc(12 * var(--mob-px-to-vw)) calc(18 * var(--mob-px-to-vw));
        font-size: calc(18 * var(--mob-px-to-vw));
    }

    .testimonial-rating {
        gap: calc(12 * var(--mob-px-to-vw));
    }

    .testimonial-rating i {
        font-size: calc(32 * var(--mob-px-to-vw));
    }

    .testimonial-title {
        font-size: calc(38 * var(--mob-px-to-vw));
    }

    .testimonial-text {
        font-size: calc(28 * var(--mob-px-to-vw));
        margin-bottom: 0;
    }

    .testimonial-tags {
        gap: calc(14 * var(--mob-px-to-vw));
    }

    .testimonial-tags span {
        padding: calc(12 * var(--mob-px-to-vw)) calc(18 * var(--mob-px-to-vw));
        font-size: calc(18 * var(--mob-px-to-vw));
    }

    .testimonial-author {
        gap: calc(24 * var(--mob-px-to-vw));
    }

    .author-avatar {
        width: calc(88 * var(--mob-px-to-vw));
        height: calc(88 * var(--mob-px-to-vw));
    }

    .author-name {
        font-size: calc(28 * var(--mob-px-to-vw));
    }

    .author-position {
        font-size: calc(24 * var(--mob-px-to-vw));
    }

    /* Contacts Section */
    .contacts-grid {
        grid-template-columns: 1fr;
        gap: calc(80 * var(--mob-px-to-vw));
    }

    .contact-info h3 {
        font-size: calc(56 * var(--mob-px-to-vw));
        margin-bottom: calc(24 * var(--mob-px-to-vw));
    }

    .contact-info>p {
        font-size: calc(28 * var(--mob-px-to-vw));
        margin-bottom: calc(56 * var(--mob-px-to-vw));
    }

    .contact-items {
        margin-bottom: calc(56 * var(--mob-px-to-vw));
    }

    .contact-item {
        gap: calc(32 * var(--mob-px-to-vw));
        margin-bottom: calc(48 * var(--mob-px-to-vw));
    }

    .contact-icon {
        width: calc(88 * var(--mob-px-to-vw));
        height: calc(88 * var(--mob-px-to-vw));
        font-size: calc(40 * var(--mob-px-to-vw));
    }

    .contact-content h4 {
        font-size: calc(24 * var(--mob-px-to-vw));
        margin-bottom: calc(12 * var(--mob-px-to-vw));
    }

    .contact-content a,
    .contact-content p {
        font-size: calc(32 * var(--mob-px-to-vw));
    }

    .social-links {
        gap: calc(24 * var(--mob-px-to-vw));
    }

    .social-link {
        width: calc(80 * var(--mob-px-to-vw));
        height: calc(80 * var(--mob-px-to-vw));
        font-size: calc(36 * var(--mob-px-to-vw));
    }

    /* Contact Form */
    .contact-form {
        padding: calc(56 * var(--mob-px-to-vw));
    }

    .form-group {
        margin-bottom: calc(32 * var(--mob-px-to-vw));
    }

    .form-consent {
        margin-bottom: calc(32 * var(--mob-px-to-vw));
    }

    .form-consent-label {
        gap: calc(14 * var(--mob-px-to-vw));
        font-size: calc(22 * var(--mob-px-to-vw));
    }

    .form-consent-input {
        width: calc(28 * var(--mob-px-to-vw));
        height: calc(28 * var(--mob-px-to-vw));
        margin-top: calc(4 * var(--mob-px-to-vw));
    }

    .form-control {
        padding: calc(28 * var(--mob-px-to-vw)) calc(32 * var(--mob-px-to-vw));
        font-size: calc(28 * var(--mob-px-to-vw));
        border-radius: calc(20 * var(--mob-px-to-vw));
    }

    textarea.form-control {
        min-height: calc(240 * var(--mob-px-to-vw));
    }

    /* Footer */
    .footer {
        padding: calc(100 * var(--mob-px-to-vw)) 0 calc(48 * var(--mob-px-to-vw));
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: calc(64 * var(--mob-px-to-vw));
        margin-bottom: calc(64 * var(--mob-px-to-vw));
    }

    .footer-logo {
        margin-bottom: calc(24 * var(--mob-px-to-vw));
    }

    .footer-text {
        font-size: calc(26 * var(--mob-px-to-vw));
    }

    .footer-title {
        font-size: calc(28 * var(--mob-px-to-vw));
        margin-bottom: calc(32 * var(--mob-px-to-vw));
    }

    .footer-links li,
    .footer-contacts li {
        margin-bottom: calc(20 * var(--mob-px-to-vw));
    }

    .footer-links a,
    .footer-contacts a,
    .footer-contacts span {
        font-size: calc(26 * var(--mob-px-to-vw));
    }

    .footer-contacts i {
        font-size: calc(28 * var(--mob-px-to-vw));
    }

    .footer-bottom {
        flex-direction: column;
        gap: calc(32 * var(--mob-px-to-vw));
        text-align: center;
        padding-top: calc(48 * var(--mob-px-to-vw));
    }

    .footer-copyright {
        font-size: calc(24 * var(--mob-px-to-vw));
    }

    .footer-links-bottom {
        gap: calc(32 * var(--mob-px-to-vw));
        flex-direction: column;
    }

    .footer-links-bottom a {
        font-size: calc(24 * var(--mob-px-to-vw));
    }

    .inner-hero-grid,
    .service-split-grid,
    .editorial-grid,
    .post-hero-layout,
    .service-showcase-grid,
    .photo-mood-grid,
    .service-benefits-grid,
    .workflow-grid,
    .vr-use-grid,
    .vr-roadmap,
    .seo-grid-5 {
        grid-template-columns: 1fr;
    }

    .inner-hero {
        padding: calc(220 * var(--mob-px-to-vw)) 0 calc(100 * var(--mob-px-to-vw));
    }

    .inner-hero-title {
        font-size: calc(78 * var(--mob-px-to-vw));
    }

    .inner-hero-text {
        font-size: calc(30 * var(--mob-px-to-vw));
    }

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

    .video-files-hero-image,
    .video-files-section-image {
        min-height: calc(360 * var(--mob-px-to-vw));
        margin-bottom: calc(24 * var(--mob-px-to-vw));
    }

    .video-files-media-grid {
        margin-bottom: calc(48 * var(--mob-px-to-vw));
    }

    .service-showcase-card-image {
        margin: calc(-12 * var(--mob-px-to-vw)) calc(-12 * var(--mob-px-to-vw)) calc(28 * var(--mob-px-to-vw));
        border-radius: calc(20 * var(--mob-px-to-vw));
    }
    .service-stat-card,
    .photo-mood-card,
    .service-showcase-card,
    .editorial-list-item,
    .service-benefit-card,
    .workflow-card,
    .service-case-card,
    .vr-use-card,
    .post-hero-box,
    .vr-roadmap-step,
    .service-timeline-item {
        padding: calc(40 * var(--mob-px-to-vw));
    }

    .workflow-card span {
        width: calc(72 * var(--mob-px-to-vw));
        height: calc(72 * var(--mob-px-to-vw));
        font-size: calc(28 * var(--mob-px-to-vw));
    }

    .vr-orbit-panel {
        min-height: calc(520 * var(--mob-px-to-vw));
    }

    .vr-orbit-ring {
        width: calc(360 * var(--mob-px-to-vw));
        height: calc(360 * var(--mob-px-to-vw));
    }

    .vr-orbit-core {
        width: calc(160 * var(--mob-px-to-vw));
        height: calc(160 * var(--mob-px-to-vw));
        font-size: calc(38 * var(--mob-px-to-vw));
    }

    .seo-hero-image-wrap,
    .service-hero-image-card,
    .service-hero-wide-image {
        min-height: calc(360 * var(--mob-px-to-vw));
    }

    .service-hero-image-card-floating {
        inset: calc(36 * var(--mob-px-to-vw));
    }

    /* Back to Top */
    .back-to-top {
        bottom: calc(48 * var(--mob-px-to-vw));
        right: calc(48 * var(--mob-px-to-vw));
        width: calc(96 * var(--mob-px-to-vw));
        height: calc(96 * var(--mob-px-to-vw));
        font-size: calc(36 * var(--mob-px-to-vw));
    }

    /* Preloader */
    .spinner {
        width: calc(100 * var(--mob-px-to-vw));
        height: calc(100 * var(--mob-px-to-vw));
    }

    .preloader p {
        font-size: calc(40 * var(--mob-px-to-vw));
    }
}

/* === Mobile (480px and below) === */


/* === Extra Small Devices (360px and below) === */

/* === Touch Device Optimizations === */
@media (hover: none) and (pointer: coarse) {

    /* Убираем hover эффекты на touch устройствах */
    .nav-link::after {
        display: none;
    }

    /* Увеличиваем области нажатия */
    .btn,
    .filter-btn,
    .social-link,
    .nav-link {
        min-height: 48px;
        min-width: 48px;
    }

    /* Упрощаем сложные переходы */
    * {
        transition-duration: 0.2s !important;
    }
}



/* === iPhone X/11/12/13 Safe Area === */
/* @supports (padding: max(0px)) {
    .header,
    .nav,
    .container,
    .footer {
        padding-left: max(var(--container-padding, 16px), env(safe-area-inset-left));
        padding-right: max(var(--container-padding, 16px), env(safe-area-inset-right));
    }

    .nav {
        padding-bottom: max(32px, env(safe-area-inset-bottom));
    }

    .back-to-top {
        bottom: max(32px, calc(env(safe-area-inset-bottom) + 16px));
        right: max(32px, calc(env(safe-area-inset-right) + 16px));
    }
} */

/* === Print Styles === */
@media print {

    .header,
    .burger,
    .back-to-top,
    .scroll-indicator,
    .nav,
    .contact-form {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }

    .section {
        page-break-inside: avoid;
    }
}