/* =====================================================
   МОБИЛЬНАЯ АДАПТАЦИЯ
   Порядок: базовые стили → 1024 → 900 → 768 → 480 → 360 → 320
   + landscape, touch, prefers-*
   ===================================================== */

/* ===== ГЛОБАЛЬНЫЙ ЗАПРЕТ ГОРИЗОНТАЛЬНОГО СКРОЛЛА ===== */
html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

* {
    min-width: 0;
}

img,
video,
iframe,
svg {
    max-width: 100%;
    height: auto;
}

/* ===== БАЗОВЫЕ СТИЛИ (без медиазапросов) ===== */

.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    gap: 5px;
    width: 28px;
    height: auto;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1005;
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
    min-height: unset;
}

.burger-menu__line {
    width: 100%;
    height: 3px;
    background-color: #1e3a5f !important;
    background: #1e3a5f !important;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
    display: block;
}

.mobile-nav__cta {
    display: none;
}

.burger-menu.active .burger-menu__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.burger-menu.active .burger-menu__line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.burger-menu.active .burger-menu__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1001;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.mobile-overlay.active {
    display: block;
    opacity: 1;
    pointer-events: auto;
}

body.menu-open {
    overflow: hidden;
}

/* =====================================================
   1024px — планшеты и ноутбуки
   ===================================================== */
@media (max-width: 1024px) {

    /* Горизонтальный скролл */
    .container {
        padding: 0 30px;
        width: 100%;
    }

    /* Topbar */
    .topbar__content {
        gap: 15px;
    }
    .topbar__landmark {
        display: none;
    }

    /* Header */
    .header__content {
        flex-wrap: nowrap;
        gap: 15px;
    }
    .main-nav {
        flex: 1;
        min-width: 0;
    }
    .nav-first-level {
        flex-wrap: wrap;
        gap: 10px;
    }
    .nav-first-link {
        font-size: 14px;
    }

    /* Hero */
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero__title {
        font-size: 40px;
    }
    .hero__services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Service Hero */
    .service-hero {
        padding-top: 120px;
    }
    .service-hero .hero__title {
        font-size: 36px;
    }

    /* Services */
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    /* Cases */
    .cases__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    /* About Enhanced */
    .about-enhanced__columns {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-enhanced__stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .about-enhanced__team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Process */
    .process-horizontal__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Projects Preview */
    .projects-preview__content {
        grid-template-columns: 1fr;
    }
    .projects-preview__list--2cols {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Tech Section */
    .tech-section__grid {
        grid-template-columns: 1fr;
    }

    /* FAQ */
    .faq-section__row {
        grid-template-columns: 1fr;
    }
    .faq-section__right {
        position: static;
    }

    /* Comparison */
    .comparison-tabs__headers {
        flex-direction: column;
        gap: 10px;
    }

    /* Testimonials Letters */
    .testimonials-letters__content {
        grid-template-columns: 1fr;
    }
    .testimonials-letters__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Contact Enhanced */
    .contact-enhanced__columns {
        grid-template-columns: 1fr;
    }
    .contact-enhanced__trust-stats {
        flex-wrap: wrap;
        gap: 30px;
    }

    /* Contact Page */
    .contact-page-grid {
        gap: 30px;
    }
    .contact-legal-grid {
        gap: 20px;
    }

    /* Blog */
    .blog__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    /* Stats */
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

    /* AI Section */
    .ai-showcase {
        grid-template-columns: 1fr;
    }
    .ai-demo__player {
        grid-template-columns: 1fr;
    }
    .ai-benefits__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Service Tariffs */
    .service-tariffs-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Pages.php */
    .pageContainer {
        gap: 30px;
    }
}

/* =====================================================
   900px — промежуточный (контактная страница)
   ===================================================== */
@media (max-width: 900px) {
    .contact-page-grid {
        grid-template-columns: 1fr;
    }
    .contact-cards-grid {
        grid-template-columns: 1fr 1fr;
    }
    .contact-legal-grid {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   768px — мобильные телефоны (основной брейкпоинт)
   ===================================================== */
@media (max-width: 768px) {

    /* Base */
    body {
        font-size: 15px;
    }
    p {
        line-height: 1.6;
    }
    input,
    textarea,
    select {
        font-size: 16px;
    }

    /* Container */
    .container {
        padding: 0 20px;
    }

    /* Typography */
    .section-title {
        font-size: 32px;
        margin-bottom: 40px;
    }
    .section-title--small {
        font-size: 24px;
    }

    /* Topbar */
    .topbar--desktop-only {
        display: none;
    }

    /* Компенсация фиксированного хедера — отступ для всего контента */
    body {
        padding-top: 56px;
    }

    /* Header */
    .header {
        padding: 12px 0;
        top: 0;
        background: var(--color-surface) !important;
        box-shadow: 0 2px 8px rgba(11, 26, 51, 0.08);
        z-index: 1003;
    }
    .header__content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        flex-wrap: nowrap;
        gap: 10px;
        min-height: 56px;
    }
    .logo {
        order: 1;
        flex-shrink: 0;
    }
    .logo__image {
        height: 44px;
    }
    .burger-menu {
        display: flex;
        order: 4;
        flex-shrink: 0;
        padding: 13px 10px;
        margin: -13px -10px;
        min-height: unset;
        background: transparent;
    }
    .header__cta {
        order: 3;
        flex-shrink: 0;
        width: auto;
        margin-top: 0;
        align-items: flex-end;
    }
    .header__cta .btn {
        width: auto;
        padding: 10px 16px;
        font-size: 13px;
        white-space: nowrap;
    }
    .header__counter {
        display: none;
    }

    /* Touch targets */
    .btn,
    .filter-btn,
    .tab-btn,
    .nav-first-link,
    .nav-second-link {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Navigation — мобильное меню */
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 400px;
        height: 100vh;
        background: var(--color-surface);
        box-shadow: -5px 0 25px rgba(0, 0, 0, 0.2);
        z-index: 1004;
        overflow-y: auto;
        overflow-x: hidden;
        transition: right 0.3s ease;
        padding: 80px 0 0;
        display: flex;
        flex-direction: column;
    }
    .main-nav.active {
        right: 0;
    }
    .main-nav::before {
        display: none;
    }

    .header__cta-btn {
        display: none;
    }

    .header__cta {
        display: none;
    }

    .mobile-nav__cta {
        display: block;
        padding: 24px 20px;
        margin-top: auto;
        text-align: center;
    }

    .mobile-nav__cta .btn {
        width: 100%;
        padding: 14px 20px;
        font-size: 16px;
        justify-content: center;
    }
    .nav-first-level {
        flex-direction: column;
        gap: 0;
        padding: 0 20px;
        flex: 1;
    }
    .nav-first-item {
        border-bottom: 1px solid var(--color-border);
    }
    .nav-first-link {
        padding: 18px 15px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        font-size: 16px;
    }
    .nav-arrow {
        transform: rotate(0deg) !important;
        transition: transform 0.3s ease;
    }
    .nav-first-item.open > .nav-first-link .nav-arrow {
        transform: rotate(180deg) !important;
    }
    .nav-second-level,
    .nav-third-level,
    .nav-fourth-level {
        position: static;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        margin: 0;
        padding: 0;
        min-width: auto;
        max-height: 0;
        overflow: hidden;
        display: block;
        background: var(--color-bg);
        border-radius: 0;
        transition: max-height 0.3s ease, padding 0.3s ease;
    }
    .nav-first-item.open > .nav-second-level,
    .nav-second-item.open > .nav-third-level,
    .nav-third-item.open > .nav-fourth-level {
        max-height: 1000px;
        padding: 10px 0 10px 20px;
    }
    .nav-second-level { background: rgba(245, 247, 250, 0.5); }
    .nav-third-level  { background: rgba(245, 247, 250, 0.7); }
    .nav-fourth-level { background: rgba(245, 247, 250, 0.9); max-height: none; }
    .nav-second-item,
    .nav-third-item {
        border-bottom: 1px solid rgba(220, 229, 240, 0.5);
    }
    .nav-second-item:last-child,
    .nav-third-item:last-child {
        border-bottom: none;
    }
    .nav-second-link,
    .nav-third-link {
        padding: 12px 10px;
        font-size: 15px;
    }
    .nav-fourth-level li a {
        padding: 10px;
        font-size: 14px;
    }

    /* Hero */
    .hero {
        padding-top: 40px;
        padding-bottom: 40px;
        min-height: auto;
    }
    .hero__title {
        font-size: 28px;
        line-height: 1.3;
    }
    .hero__subtitle {
        font-size: 16px;
    }
    .hero__buttons {
        flex-direction: column;
        gap: 15px;
    }
    .hero__buttons .btn {
        width: 100%;
    }
    .hero__services-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .hero__service-card {
        padding: 20px;
    }
    .hero__quick-form {
        padding: 25px;
    }
    .hero__quick-form-fields {
        flex-direction: column;
    }
    .hero__quick-form-btn {
        width: 100%;
    }
    .hero__social-proof {
        padding: 20px;
    }

    /* Service Hero */
    .service-hero {
        padding-top: 40px;
        padding-bottom: 30px;
    }
    .service-hero .hero__title {
        font-size: 28px;
    }
    .service-hero .hero__subtitle {
        font-size: 15px;
    }
    .service-hero__content {
        max-width: 100%;
    }

    /* Category Hero */
    .category-hero-section {
        padding: 40px 0 20px;
    }
    .category-hero__content {
        max-width: 100%;
    }
    .category-hero__subtitle {
        font-size: 15px;
    }

    /* Breadcrumbs */
    .breadcrumbs-section {
        font-size: 12px;
        padding: 12px 0;
        flex-wrap: wrap;
        gap: 4px;
    }
    .breadcrumbs__separator {
        margin: 0 4px;
    }

    /* Services */
    .services {
        padding: 40px 0;
    }
    .service-card {
        padding: 30px 25px;
    }
    .service-card__title {
        font-size: 20px;
    }
    .service-card__header {
        flex-direction: row;
        text-align: left;
        align-items: center;
    }
    .service-card__icon {
        margin: 0;
    }
    .service-card__links {
        flex-direction: column;
        gap: 10px;
    }
    .service-card__links .link,
    .service-card__links .link-small {
        text-align: center;
    }
    .subservice-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .subservice-item__link {
        align-self: flex-end;
    }

    /* Services Nav */
    .services-nav-section {
        padding: 25px 0;
    }
    .services-nav__tags {
        justify-content: flex-start;
        max-width: 100%;
    }
    .tech-card__tags {
        gap: 8px;
    }
    .tech-tag {
        font-size: 13px;
        padding: 6px 12px;
    }
    .tech-card__tags--centered {
        justify-content: flex-start;
    }

    /* Services Details */
    .services-details-section {
        padding: 20px 0 30px;
    }

    /* Service Nav Section */
    .service-nav-section {
        padding: 20px 0;
    }

    /* Service Pricing */
    .service-pricing {
        padding: 40px 0;
    }
    .service-tariffs-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
    .tariff-price {
        font-size: 22px;
        margin: 8px 0;
        white-space: nowrap;
    }
    .tariff-badge {
        font-size: 11px;
        padding: 3px 10px;
    }
    .service-card--tariff,
    .service-card--tariff-hit {
        text-align: left;
    }
    .service-card__header--col {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }
    .tariff-description {
        font-size: 13px;
        margin: 4px 0;
    }
    .tariff-features {
        margin: 12px 0;
        text-align: left;
    }
    .tariff-feature {
        font-size: 14px;
        margin-bottom: 8px;
        align-items: flex-start;
    }

    /* Service Section */
    .service-section,
    .service-section--bg {
        padding: 30px 0;
    }

    /* Audit Banner */
    .audit-banner {
        flex-direction: column;
        text-align: center;
        padding: 25px;
    }
    .audit-banner__content h3 {
        font-size: 20px;
    }
    .audit-banner .btn {
        width: 100%;
    }

    /* Process */
    .process-horizontal {
        padding: 40px 0;
    }
    .process-horizontal-section {
        padding: 30px 0;
    }
    .process-horizontal__title {
        font-size: 24px;
    }
    .process-horizontal__description {
        font-size: 15px;
    }
    .process-horizontal__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .process-horizontal__header {
        margin-bottom: 25px;
    }
    .process-card {
        padding: 25px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0 12px;
    }
    .process-card__number {
        font-size: 32px;
        margin-bottom: 0;
        flex-shrink: 0;
        line-height: 1;
    }
    .process-card__title {
        font-size: 20px;
        margin-bottom: 0;
        flex: 1;
        min-width: 0;
    }
    .process-card__subtitle,
    .process-card__list,
    .process-card__result {
        width: 100%;
        margin-top: 10px;
    }

    /* Cases */
    .cases {
        padding: 40px 0;
    }
    .cases__grid {
        grid-template-columns: 1fr;
    }
    .cases__filters {
        flex-direction: column;
        align-items: stretch;
    }
    .filter-btn {
        width: 100%;
    }
    .case-card__title {
        font-size: 18px;
    }

    /* About Enhanced */
    .about-enhanced {
        padding: 40px 0;
    }
    .about-enhanced__title {
        font-size: 28px;
    }
    .about-enhanced__subtitle {
        font-size: 16px;
    }
    .about-enhanced__stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .about-enhanced__stat-number {
        font-size: 36px;
    }
    .about-enhanced__team-grid {
        grid-template-columns: 1fr;
    }
    .about-enhanced__cta {
        flex-direction: column;
        text-align: center;
    }
    .about-enhanced__cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    .about-enhanced__cta-buttons .btn {
        width: 100%;
    }

    /* Projects Preview */
    .projects-preview {
        padding: 40px 0;
    }
    .projects-preview__title {
        font-size: 28px;
    }
    .projects-preview__subtitle {
        font-size: 16px;
    }
    .projects-preview__list--2cols {
        grid-template-columns: 1fr;
    }
    .projects-preview__download {
        padding: 20px;
    }
    .btn--download {
        width: 100%;
        font-size: 16px;
    }

    /* Tech Section */
    .tech-section {
        padding: 40px 0;
    }
    .tech-section__title {
        font-size: 28px;
    }
    .tech-section__subtitle {
        font-size: 16px;
    }
    .tech-card {
        padding: 25px;
    }
    .tech-card__header {
        flex-direction: column;
        text-align: center;
    }
    .tech-card__title {
        font-size: 20px;
    }

    /* FAQ */
    .faq-section {
        padding: 40px 0;
    }
    .faq-section__title {
        font-size: 28px;
    }
    .faq-item__header {
        padding: 20px;
        flex-direction: row;
        align-items: flex-start;
        align-items: flex-start;
    }
    .faq-item__number {
        font-size: 16px;
        min-width: 32px;
        margin-bottom: 0;
        flex-shrink: 0;
    }
    .faq-item__question {
        font-size: 16px;
    }
    .faq-item__answer {
        padding: 0 20px 20px;
        font-size: 15px;
    }
    .faq-cta {
        padding: 25px;
    }
    .faq-cta__title {
        font-size: 20px;
    }
    .faq-form__input {
        padding: 14px;
    }

    /* Comparison */
    .comparison-section {
        padding: 40px 0;
    }
    .comparison-section__title {
        font-size: 28px;
    }
    .comparison-tab-btn {
        padding: 15px 20px;
        font-size: 16px;
    }
    .comparison-tabs__content {
        padding: 25px;
    }
    .comparison-list__text {
        font-size: 15px;
    }
    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .comparison-body {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .comparison-toggle-label--bad,
    .comparison-toggle-label--good {
        font-size: 15px;
    }
    .comparison-toggle-btn--bad,
    .comparison-toggle-btn--good {
        padding: 14px 16px;
    }

    /* Testimonials Letters */
    .testimonials-letters {
        padding: 40px 0;
    }
    .testimonials-letters__title {
        font-size: 28px;
    }
    .testimonials-letters__subtitle {
        font-size: 16px;
    }
    .testimonials-letters__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    /* Testimonials Carousel */
    .testimonials-carousel__arrow {
        width: 40px;
        height: 40px;
    }
    .testimonials-carousel__arrow svg {
        width: 20px;
        height: 20px;
    }
    .testimonials-carousel__thumbnails {
        gap: 10px;
    }
    .testimonials-carousel__thumbnail {
        width: 80px;
        height: 80px;
    }
    .testimonials-carousel__caption strong {
        font-size: 16px;
    }

    /* SERM Banner */
    .serm-banner {
        flex-direction: column;
        text-align: center;
        padding: 35px 30px;
        gap: 25px;
    }
    .serm-banner__icon {
        width: 70px;
        height: 70px;
    }
    .serm-banner__icon svg {
        width: 40px;
        height: 40px;
    }
    .serm-banner__title {
        font-size: 22px;
    }
    .serm-banner__text {
        font-size: 15px;
    }
    .serm-banner__btn {
        width: 100%;
        justify-content: center;
    }

    /* AI Section */
    .ai-section {
        padding: 60px 0;
    }
    .ai-section__title {
        font-size: 32px;
    }
    .ai-section__subtitle {
        font-size: 18px;
    }
    .ai-tabs__headers {
        flex-direction: column;
        align-items: center;
    }
    .ai-tab-btn {
        width: 100%;
        max-width: 300px;
    }
    .ai-benefits__grid {
        grid-template-columns: 1fr;
    }
    .ai-demo {
        padding: 30px;
    }

    /* External Ratings */
    .external-ratings {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    .rating-item {
        width: 100%;
        max-width: 400px;
        min-width: auto;
    }
    .rating-item__icon {
        width: 50px;
        height: 50px;
    }
    .rating-item__icon svg {
        width: 28px;
        height: 28px;
    }
    .rating-item__score {
        font-size: 32px;
    }

    /* Blog */
    .blog {
        padding: 40px 0;
    }
    .blog__tabs {
        gap: 8px;
        margin-bottom: 40px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .blog__tabs .tab-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    .blog__grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 40px;
    }
    .blog-card__image {
        height: 200px;
    }
    .blog-card__title {
        font-size: 18px;
        padding: 18px 20px 12px;
    }
    .blog-card__meta {
        padding: 0 20px 18px;
        font-size: 13px;
    }

    /* Contact Enhanced */
    .contact-enhanced {
        padding: 40px 0;
    }
    .contact-enhanced__title {
        font-size: 28px;
    }
    .contact-enhanced__subtitle {
        font-size: 16px;
    }
    .contact-enhanced__card {
        padding: 30px 25px;
    }
    .contact-enhanced__card-title {
        font-size: 24px;
    }
    .contact-enhanced__messengers-grid {
        grid-template-columns: 1fr;
    }
    .contact-enhanced__trust {
        padding: 30px 25px;
    }
    .contact-enhanced__trust-stats {
        flex-direction: column;
        gap: 20px;
    }
    .contact-enhanced__additional {
        flex-direction: column;
        align-items: flex-start;
    }

    /* Contact Page */
    .contact-main-section {
        padding: 30px 0;
    }
    .contact-map-wrapper {
        height: 280px;
    }
    .contact-form-card {
        padding: 25px 20px;
    }
    .contact-form-card__title {
        font-size: 20px;
    }
    .contact-form-card__messengers-list {
        flex-wrap: wrap;
        gap: 8px;
    }
    .contact-messenger-btn {
        flex: 1;
        text-align: center;
        min-width: 90px;
    }
    .contact-legal-section {
        padding: 20px 0 40px;
    }
    .contact-legal-card {
        padding: 20px;
    }

    /* Newsletter */
    .newsletter {
        grid-template-columns: 1fr;
        padding: 30px 25px;
    }
    .newsletter__form {
        flex-direction: column;
    }

    /* Contact Methods */
    .contact-methods {
        grid-template-columns: 1fr;
    }

    /* Contacts */
    .contacts {
        padding: 40px 0;
    }
    .contacts__content {
        grid-template-columns: 1fr;
    }
    .map-placeholder {
        height: 300px;
    }

    /* Portfolio */
    .portfolio-grid-section {
        padding: 0 0 30px;
    }
    .project-card {
        border-radius: 12px;
    }
    .project-title {
        font-size: 18px;
    }
    .project-description {
        font-size: 13px;
    }
    .project-results-title,
    .project-results-list,
    .project-tech {
        font-size: 13px;
    }

    /* Pages.php */
    .hero_page {
        min-height: 10vh;
        padding: 20px 0;
    }
    .sectionPage {
        padding: 20px 0 40px;
    }
    .pageTitle h1 {
        font-size: 26px;
        margin-bottom: 20px;
    }
    .pageContainer {
        flex-direction: column;
        gap: 20px;
    }
    .pageText {
        font-size: 15px;
        line-height: 1.7;
    }
    .pageImg {
        width: 100%;
    }
    .pageImg img {
        width: 100%;
        height: auto;
        border-radius: 8px;
    }
    .breadCrumbs {
        font-size: 13px;
        flex-wrap: wrap;
        gap: 4px;
        margin-bottom: 15px;
    }

    /* 404 Page */
    .error-page {
        padding: 40px 20px;
        min-height: calc(100vh - 56px);
    }
    .error-code {
        font-size: 80px;
    }
    .error-title {
        font-size: 24px;
    }
    .error-text {
        font-size: 15px;
    }
    .error-links {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
    .error-links .btn {
        width: 100%;
        max-width: 280px;
    }

    /* Footer */
    .footer {
        padding: 40px 0 20px;
    }
    .footer__content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 30px;
        text-align: left;
    }
    .footer__nav {
        align-items: flex-start;
    }
    .footer__social {
        justify-content: flex-start;
    }
    .footer__copyright {
        text-align: center;
        font-size: 13px;
    }
    .footer__legal {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
    }
    .footer__legal-sep {
        display: none;
    }

    /* Modal */
    .modal__content {
        padding: 30px 25px;
        width: 95%;
    }
    .modal h3 {
        font-size: 24px;
    }

    /* Scroll to Top */
    .scroll-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

/* =====================================================
   480px — маленькие телефоны
   ===================================================== */
@media (max-width: 480px) {

    /* Container */
    .container {
        padding: 0 15px;
    }

    /* Typography */
    .section-title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    /* Hero */
    .hero__title {
        font-size: 24px;
    }
    .hero__subtitle {
        font-size: 15px;
    }
    .hero__service-card {
        flex-direction: column;
        text-align: center;
        padding: 20px 15px;
    }
    .hero__service-icon {
        margin: 0 auto 10px;
    }
    .hero__quick-form {
        padding: 20px;
    }
    .hero__quick-form-title {
        font-size: 18px;
    }
    .hero__social-proof {
        padding: 15px;
        text-align: center;
    }
    .hero__rating {
        flex-direction: column;
        gap: 5px;
    }
    .hero__badge {
        align-self: center;
    }

    /* Service Hero */
    .service-hero {
        padding-top: 75px;
        padding-bottom: 20px;
    }
    .service-hero .hero__title {
        font-size: 22px;
    }
    .service-hero .hero__subtitle {
        font-size: 14px;
    }

    /* Category Hero */
    .category-hero-section {
        padding: 75px 0 15px;
    }

    /* Breadcrumbs */
    .breadcrumbs-section {
        font-size: 11px;
    }

    /* Services */
    .services__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .service-card {
        padding: 20px;
    }
    .service-card__title {
        font-size: 18px;
    }
    .service-card__icon {
        width: 48px;
        height: 48px;
    }
    .service-section,
    .service-section--bg {
        padding: 25px 0;
    }

    /* Services Nav */
    .services-nav-section {
        padding: 20px 0;
    }
    .tech-tag {
        font-size: 12px;
        padding: 5px 10px;
    }

    /* Service Tariffs */
    .tariff-price {
        font-size: 24px;
    }
    .tariff-features {
        font-size: 14px;
    }
    .tariff-feature {
        margin-bottom: 8px;
    }

    /* Comparison */
    .comparison-section__title {
        font-size: 24px;
    }
    .comparison-tab-btn {
        padding: 12px 15px;
        font-size: 14px;
    }
    .comparison-tabs__content {
        padding: 20px;
    }
    .comparison-list__item {
        gap: 10px;
    }
    .comparison-list__icon {
        width: 24px;
        height: 24px;
    }
    .comparison-list__text {
        font-size: 14px;
    }
    .comparison-toggle-label--bad,
    .comparison-toggle-label--good {
        font-size: 14px;
        gap: 8px;
    }
    .comparison-toggle-btn--bad svg,
    .comparison-toggle-btn--good svg {
        width: 18px;
        height: 18px;
        flex-shrink: 0;
    }

    /* Process */
    .process-card {
        padding: 20px;
    }
    .process-card__number {
        font-size: 32px;
    }
    .process-card__title {
        font-size: 18px;
    }
    .process-horizontal-section {
        padding: 25px 0;
    }

    /* Cases */
    .case-card__title {
        font-size: 16px;
        padding: 15px;
    }
    .case-card__metrics {
        margin: 0 15px;
        padding: 12px 15px;
    }
    .case-card__actions {
        flex-direction: column;
        gap: 10px;
        padding: 15px;
    }
    .case-card__actions .btn {
        width: 100%;
    }

    /* About Enhanced */
    .about-enhanced__title {
        font-size: 24px;
    }
    .about-enhanced__stats-grid {
        grid-template-columns: 1fr;
    }
    .about-enhanced__stat-number {
        font-size: 32px;
    }
    .about-enhanced__fact-content {
        flex-direction: column;
        align-items: flex-start;
    }

    /* Projects Preview */
    .projects-preview__title {
        font-size: 24px;
    }
    .projects-preview__link {
        padding: 12px;
        flex-wrap: wrap;
    }
    .projects-preview__name {
        font-size: 14px;
    }
    .projects-preview__count {
        font-size: 12px;
    }

    /* Tech Section */
    .tech-section__title {
        font-size: 24px;
    }
    .tech-card {
        padding: 20px;
    }
    .tech-card__title {
        font-size: 18px;
    }

    /* FAQ */
    .faq-section__title {
        font-size: 24px;
    }
    .faq-item__header {
        padding: 15px;
    }
    .faq-item__question {
        font-size: 15px;
    }
    .faq-item__answer {
        padding: 0 15px 15px;
        font-size: 14px;
    }
    .faq-cta {
        padding: 20px;
    }
    .faq-cta__title {
        font-size: 18px;
    }
    .faq-form__radio-group {
        flex-direction: column;
        gap: 10px;
    }

    /* Testimonials Letters */
    .testimonials-letters__title {
        font-size: 24px;
    }
    .testimonials-letters__grid {
        gap: 8px;
    }

    /* Testimonials Carousel */
    .testimonials-carousel__main {
        gap: 10px;
    }
    .testimonials-carousel__arrow {
        width: 36px;
        height: 36px;
    }
    .testimonials-carousel__thumbnail {
        width: 70px;
        height: 70px;
    }
    .testimonials-carousel__more-link span {
        font-size: 24px;
    }
    .testimonials-carousel__more-link small {
        font-size: 10px;
    }

    /* SERM Banner */
    .testimonials-letters__serm {
        margin-top: 40px;
    }
    .serm-banner {
        padding: 30px 25px;
        gap: 20px;
    }
    .serm-banner__icon {
        width: 60px;
        height: 60px;
    }
    .serm-banner__title {
        font-size: 20px;
    }
    .serm-banner__text {
        font-size: 14px;
    }
    .serm-banner__btn {
        padding: 14px 28px;
        font-size: 15px;
    }

    /* External Ratings */
    .rating-item {
        padding: 20px 25px;
        gap: 15px;
    }
    .rating-item__score {
        font-size: 28px;
    }
    .rating-item__source {
        font-size: 14px;
    }

    /* Blog */
    .blog__tabs .tab-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    .blog-card__image {
        height: 180px;
    }
    .blog-card__title {
        font-size: 17px;
        padding: 16px 18px 10px;
    }
    .blog-card__meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 0 18px 16px;
    }

    /* Contact Enhanced */
    .contact-enhanced__title {
        font-size: 24px;
    }
    .contact-enhanced__card {
        padding: 20px;
    }
    .contact-enhanced__card-header {
        flex-direction: column;
        text-align: center;
    }
    .contact-enhanced__card-icon {
        margin: 0 auto;
    }
    .contact-enhanced__card-title {
        font-size: 20px;
    }
    .contact-enhanced__card-badge {
        margin: 0 auto;
    }
    .contact-enhanced__form-group input {
        padding: 14px 16px;
    }
    .contact-enhanced__trust {
        padding: 20px;
    }
    .contact-enhanced__stat-number {
        font-size: 36px;
    }
    .contact-enhanced__rating {
        flex-direction: column;
        gap: 10px;
    }

    /* Contact Page */
    .contact-cards-grid {
        grid-template-columns: 1fr;
    }
    .contact-info-card {
        padding: 14px;
    }
    .contact-info-card__icon {
        width: 34px;
        height: 34px;
        flex-shrink: 0;
    }
    .contact-map-wrapper {
        height: 220px;
    }
    .contact-form-card {
        padding: 20px 16px;
    }
    .contact-form-card__title {
        font-size: 18px;
    }
    .contact-messenger-btn {
        padding: 8px 12px;
        font-size: 13px;
    }
    .contact-legal-card {
        padding: 16px;
    }
    .contact-legal-card__title {
        font-size: 15px;
    }
    .contact-legal-card__text {
        font-size: 13px;
    }

    /* Portfolio */
    .project-screenshots {
        padding: 10px;
        gap: 8px;
    }
    .screenshot-desktop,
    .screenshot-mobile {
        height: 150px;
    }
    .project-content {
        padding: 15px;
    }
    .project-title {
        font-size: 16px;
        margin-bottom: 8px;
    }
    .project-meta {
        gap: 10px;
        font-size: 12px;
    }
    .portfolio-empty {
        padding: 40px 15px;
        font-size: 15px;
        text-align: center;
    }
    .portfolio-cta {
        padding: 30px 0;
    }
    .portfolio-cta h2 {
        font-size: 22px;
    }
    .portfolio-cta__text {
        font-size: 14px;
    }
    .portfolio-cta__buttons .btn {
        width: 100%;
    }

    /* Pages.php */
    .hero_page {
        min-height: 8vh;
        padding: 15px 0;
    }
    .pageTitle h1 {
        font-size: 22px;
    }
    .pageText {
        font-size: 14px;
    }
    .pageText h2 {
        font-size: 20px;
    }
    .pageText h3 {
        font-size: 17px;
    }
    .pageText table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* 404 Page */
    .error-code {
        font-size: 64px;
    }
    .error-title {
        font-size: 20px;
    }
    .error-text {
        font-size: 14px;
    }

    /* Blog card */
    .blog-card__title {
        font-size: 16px;
        padding: 15px;
    }

    /* Footer */
    .footer__logo {
        font-size: 20px;
    }
    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer__col h4 {
        font-size: 14px;
    }
    .footer__nav {
        font-size: 14px;
        align-items: center;
    }
    .footer__social {
        justify-content: center;
    }
    .footer__legal-sep {
        display: none;
    }

    /* Modal */
    .modal__content {
        padding: 25px 20px;
    }
    .modal h3 {
        font-size: 20px;
    }
    .modal__close {
        top: 15px;
        right: 15px;
        font-size: 24px;
    }

    /* Scroll to Top */
    .scroll-top {
        width: 40px;
        height: 40px;
        bottom: 15px;
        right: 15px;
        font-size: 20px;
    }
}

/* =====================================================
   360px — очень маленькие телефоны
   ===================================================== */
@media (max-width: 360px) {

    /* Container */
    .container {
        padding: 0 10px;
    }

    /* Typography */
    .section-title {
        font-size: 20px;
    }

    /* Header */
    .logo__image {
        height: 38px;
    }
    .header__cta .btn {
        padding: 8px 12px;
        font-size: 12px;
    }

    /* Hero */
    .hero__title {
        font-size: 20px;
    }

    /* Service Hero */
    .service-hero {
        padding-top: 70px;
    }
    .service-hero .hero__title {
        font-size: 20px;
    }

    /* Category Hero */
    .category-hero-section {
        padding: 70px 0 10px;
    }

    /* Buttons */
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    /* Cards */
    .service-card,
    .process-card,
    .tech-card,
    .faq-cta,
    .contact-enhanced__card {
        padding: 15px;
    }

    /* Services Nav */
    .tech-tag {
        font-size: 11px;
        padding: 4px 8px;
    }

    /* Service Tariffs */
    .service-tariffs-grid {
        max-width: 100%;
    }
    .tariff-price {
        font-size: 22px;
    }

    /* Comparison */
    .comparison-toggle-label--bad,
    .comparison-toggle-label--good {
        font-size: 13px;
    }

    /* Contact Page */
    .contact-map-wrapper {
        height: 180px;
    }
    .contact-form-card {
        padding: 16px 12px;
    }
    .contact-form-card__messengers-list {
        flex-direction: column;
    }
    .contact-messenger-btn {
        width: 100%;
        text-align: center;
    }

    /* Portfolio */
    .screenshot-desktop,
    .screenshot-mobile {
        height: 130px;
    }
    .project-content {
        padding: 12px;
    }
    .project-title {
        font-size: 15px;
    }

    /* Portfolio CTA */
    .portfolio-cta h2 {
        font-size: 20px;
    }

    /* Pages.php */
    .pageTitle h1 {
        font-size: 20px;
    }
    .pageText {
        font-size: 13px;
    }

    /* 404 Page */
    .error-code {
        font-size: 52px;
    }
    .error-title {
        font-size: 18px;
    }
    .error-links .btn {
        max-width: 100%;
    }
}

/* =====================================================
   320px — минимальная поддержка
   ===================================================== */
@media (max-width: 320px) {

    .container {
        padding: 0 8px;
    }

    .section-title {
        font-size: 18px;
    }

    .hero__title,
    .service-hero .hero__title {
        font-size: 18px;
    }

    .btn {
        padding: 10px 16px;
        font-size: 13px;
    }

    .service-card,
    .process-card,
    .tech-card,
    .contact-form-card,
    .contact-legal-card {
        padding: 12px;
    }

    .tariff-price {
        font-size: 20px;
    }

    .error-code {
        font-size: 44px;
    }

    .error-title {
        font-size: 16px;
    }

    .footer__logo {
        font-size: 18px;
    }

    .screenshot-desktop,
    .screenshot-mobile {
        height: 110px;
    }

    .contact-map-wrapper {
        height: 160px;
    }
}

/* =====================================================
   Ландшафтная ориентация (телефоны)
   ===================================================== */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding-top: 70px;
        padding-bottom: 30px;
    }
    .hero__title {
        font-size: 24px;
    }
    .section-title {
        font-size: 24px;
        margin-bottom: 30px;
    }
    .modal__content {
        max-height: 90vh;
        overflow-y: auto;
    }
}

/* =====================================================
   Touch-устройства
   ===================================================== */
@media (hover: none) and (pointer: coarse) {
    a,
    button,
    .clickable {
        min-height: 44px;
        min-width: 44px;
    }
    .hero__service-card:hover,
    .service-card:hover,
    .case-card:hover,
    .tech-card:hover {
        transform: none;
    }
    * {
        transition-duration: 0.2s !important;
    }
}

/* =====================================================
   Режим экономии данных
   ===================================================== */
@media (prefers-reduced-data: reduce) {
    .hero__service-card,
    .case-card__image,
    .blog-card__image {
        background-image: none !important;
    }
}

/* =====================================================
   Уменьшенная анимация
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}