/* ============================================================
   БКМ-СТАТУС — mobile.css
   Адаптивные стили для мобильных устройств.
   ВСЕ правила изолированы внутри @media — десктоп НЕ затрагивается.
   Подключается ПОСЛЕ main.css, catalog.css, price.css, order.css, ai.css
   ============================================================ */

/* ==========================================================
   ПЛАНШЕТЫ (601px — 900px)
   ========================================================== */
@media (max-width: 900px) {

    /* --- Topbar --- */
    .topbar { padding: 5px 12px; }
    .topbar .container { gap: 8px; font-size: 11px; }

    /* --- Header --- */
    .header { height: 50px; }
    :root { --header-h: 50px; }

    /* --- Logo уменьшаем --- */
    .logo-bkm,
    .logo-dash,
    .logo-status { font-size: 17px; }

    /* --- Burger --- */
    .burger { display: flex; }

    /* --- Nav (мобильное меню) --- */
    .nav {
        display: none;
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--navy);
        flex-direction: column;
        height: auto;
        z-index: 99;
        padding: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    .nav--open {
        display: flex;
    }
    .nav--open .nav-link {
        display: flex;
        align-items: center;
        padding: 14px 20px;
        font-size: 15px;
        color: rgba(255,255,255,0.85);
        border-bottom: 1px solid rgba(255,255,255,0.06);
        border-left: none;
        white-space: normal;
    }
    .nav--open .nav-link:hover,
    .nav--open .nav-link.active {
        background: rgba(255,255,255,0.07);
        color: #fff;
        border-bottom-color: rgba(255,255,255,0.06);
    }
    body.menu-open { overflow: hidden; }

    /* --- Breadcrumbs --- */
    .breadcrumbs { padding: 6px 12px; }
    .breadcrumbs-list li { font-size: 12px; }
    .breadcrumbs-list li + li::before { margin: 0 5px; }

    /* --- Sections --- */
    .section { padding: 36px 16px; }
    .section-title { font-size: 22px; }
    .section-subtitle { font-size: 14px; margin-bottom: 20px; }
    .section-header { flex-direction: column; gap: 8px; }

    /* --- Buttons --- */
    .btn { padding: 11px 22px; font-size: 14px; }
    .btn--lg { padding: 13px 28px; font-size: 15px; }
    .btn--sm { padding: 7px 14px; font-size: 12px; }

    /* --- Cards --- */
    .card { padding: 16px; }

    /* --- Tables --- */
    .table { font-size: 12px; }
    .table th { padding: 8px 8px; font-size: 11px; }
    .table td { padding: 7px 8px; }

    /* --- Footer --- */
    .footer { padding: 32px 16px 16px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 20px; }
    .footer-logo { font-size: 16px; }
    .footer-bottom { gap: 10px; }

    /* --- Disclaimer --- */
    .site-disclaimer { font-size: 11px; padding: 8px 12px; }
}


/* ==========================================================
   СМАРТФОНЫ (до 600px)
   ========================================================== */
@media (max-width: 600px) {

    /* --- Topbar: прячем нерелевантное --- */
    .topbar .container { gap: 6px; }
    .topbar-item { font-size: 10px; }

    /* --- Header --- */
    .header { height: 48px; }
    :root { --header-h: 48px; }
    .header .container { gap: 12px; }

    /* --- Logo --- */
    .logo-bkm { font-size: 16px; }
    .logo-dash,
    .logo-status { font-size: 15px; }

    /* --- Sections --- */
    .section { padding: 28px 14px; }
    .section-title { font-size: 20px; }
    .section-subtitle { font-size: 13px; margin-bottom: 16px; }

    /* --- Buttons --- */
    .btn { padding: 10px 18px; font-size: 13px; }
    .btn--lg { padding: 12px 22px; font-size: 14px; }

    /* --- Cards --- */
    .card { padding: 14px; border-radius: var(--radius); }

    /* --- Footer --- */
    .footer { padding: 24px 14px 14px; }
    .footer-grid { grid-template-columns: 1fr; gap: 20px; }
    .footer-disclaimer { font-size: 10px; }
    .footer-bottom { flex-direction: column; gap: 6px; align-items: flex-start; }
    .topbar-right { margin-left: 0; }

    /* --- Forms: больше тач-таргеты --- */
    .form-input,
    .form-textarea,
    .form-select { padding: 11px 12px; font-size: 16px; } /* 16px чтобы iOS не зумил */
    .form-label { font-size: 12px; }

    /* --- Breadcrumbs --- */
    .breadcrumbs { padding: 5px 10px; }
    .breadcrumbs-list li { font-size: 11px; }
    .breadcrumbs-list li + li::before { margin: 0 4px; content: '/'; }
}


/* ==========================================================
   МАЛЕНЬКИЕ СМАРТФОНЫ (до 400px)
   ========================================================== */
@media (max-width: 400px) {
    .topbar-item:not(:first-child):not(.topbar-right) { display: none; }
    .logo-dash,
    .logo-status { font-size: 14px; }
    .logo-bkm { font-size: 15px; }
    .header .container { gap: 8px; padding: 0 10px; }
    .container { padding: 0 10px; }
    .section { padding: 22px 10px; }
    .section-title { font-size: 18px; }
    .btn { padding: 10px 16px; font-size: 13px; }
    .btn--lg { padding: 11px 18px; font-size: 13px; }
    .footer { padding: 20px 10px 12px; }
}


/* ==========================================================
   ГЛАВНАЯ СТРАНИЦА — hero, services, tools, usp, quick-nav
   ========================================================== */
@media (max-width: 900px) {
    .hero { padding: 36px 16px 32px; }
    .hero-grid { grid-template-columns: 1fr; gap: 0; }
    .hero-ai { display: none; }
    .hero-title { font-size: 32px; }
    .hero-desc { font-size: 14px; }
    .hero-desc:first-of-type { font-size: 15px; }
    .hero-stats { gap: 20px; }
    .hero-stat-num { font-size: 24px; }
    .hero-stat-label { font-size: 10px; }
    .hero-btns { gap: 8px; }
    .hero-marks { gap: 5px; }
    .hero-mark { font-size: 10px; padding: 2px 7px; }

    /* Quick nav */
    .quick-nav .container { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
    .quick-link { padding: 10px 12px; font-size: 12px; flex-shrink: 0; }

    /* Services */
    .services-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .svc-card { padding: 16px; }
    .svc-num { font-size: 20px; }
    .svc-name { font-size: 12px; }
    .svc-desc { font-size: 11px; }

    /* Tools */
    .tools-grid { grid-template-columns: 1fr; gap: 14px; }
    .tool-card { padding: 20px; }
    .tool-title { font-size: 16px; }
    .tool-desc { font-size: 12px; }

    /* USP */
    .usp-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    .usp-item { padding: 0 4px; }
    .usp-title { font-size: 13px; }
    .usp-desc { font-size: 11px; }
    .usp-icon { width: 38px; height: 38px; margin-bottom: 8px; }
}

@media (max-width: 600px) {
    .hero { padding: 28px 14px 24px; }
    .hero-title { font-size: 26px; letter-spacing: -0.3px; }
    .hero-desc { font-size: 13px; margin-bottom: 10px; }
    .hero-desc:first-of-type { font-size: 14px; margin-bottom: 12px; }
    .hero-desc:last-of-type { margin-bottom: 18px; }
    .hero-tag { font-size: 10px; padding: 2px 8px; margin-bottom: 10px; }
    .hero-stats { gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
    .hero-stat-num { font-size: 22px; }
    .hero-btns { flex-direction: column; }
    .hero-btns .btn { width: 100%; justify-content: center; }

    .services-grid { grid-template-columns: 1fr; gap: 8px; }
    .usp-grid { grid-template-columns: 1fr 1fr; gap: 10px; }

    .quick-link { padding: 8px 10px; font-size: 11px; }
}

@media (max-width: 400px) {
    .hero-title { font-size: 22px; }
    .hero-stat-num { font-size: 20px; }
    .hero-stats { gap: 10px; }
    .usp-grid { grid-template-columns: 1fr; }
    .usp-item { text-align: left; display: flex; align-items: center; gap: 12px; padding: 0; }
    .usp-icon { margin: 0; flex-shrink: 0; }
}


/* ==========================================================
   КАТАЛОГ — group-grid, product-row, marka
   ========================================================== */
@media (max-width: 900px) {
    .catalog-hero { padding: 28px 16px 24px; }
    .catalog-hero h1 { font-size: 24px; }
    .catalog-hero p { font-size: 14px; }

    .group-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .group-card { padding: 16px; }
    .group-card-name { font-size: 14px; }
    .group-card-desc { font-size: 11px; }
    .group-icon { width: 34px; height: 34px; margin-bottom: 10px; }

    /* Product row — компактная карточка */
    .product-row {
        grid-template-columns: 1fr;
        gap: 6px;
        padding: 12px 14px;
    }
    .product-row-price { text-align: left; }

    /* Marka pills */
    .marka-row { padding: 8px 14px; }
    .marka-prefix { font-size: 11px; }
    .marka-pill { font-size: 10px; padding: 3px 8px; }

    /* Marka page specs */
    .marka-specs { grid-template-columns: 1fr; gap: 14px; }
    .spec-table { font-size: 12px; }
    .spec-table td { padding: 6px 8px; }
}

@media (max-width: 600px) {
    .catalog-hero { padding: 22px 14px 18px; }
    .catalog-hero h1 { font-size: 20px; }

    .group-grid { grid-template-columns: 1fr; gap: 8px; }
    .group-card { padding: 14px; }

    .product-row { padding: 10px 12px; }
    .product-row-name { font-size: 13px; }
    .product-row-meta { font-size: 11px; }
    .product-row-size { font-size: 12px; }
    .product-row-price { font-size: 14px; }
    .product-row-price small { font-size: 10px; }
}


/* ==========================================================
   ПРАЙС-ЛИСТ — поиск, фильтры, таблица, inline-форма
   ========================================================== */
@media (max-width: 900px) {
    .price-page-wrap { padding-top: 12px; padding-bottom: 24px; }

    /* Search bar */
    .price-search-bar {
        flex-direction: column;
        gap: 8px;
        padding: 10px 14px;
    }
    .search-wrap input { font-size: 16px; padding: 10px 36px 10px 36px; }

    /* Filters */
    .price-filters { padding: 8px 14px; gap: 5px; }
    .filter-chip { font-size: 11px; padding: 5px 10px; }
    .filter-count { font-size: 11px; }

    /* Table */
    .price-table .col-num { display: none; }
    .price-table .col-stock { width: 65px; font-size: 11px; }
    .price-table .col-add { width: 80px; }
    .price-table .col-unit { width: 36px; }
    .price-table .name-cell { font-size: 12px; }
    .price-table .gost-cell { font-size: 11px; }
    .price-table .size-cell { font-size: 11px; }

    /* Inline add form */
    .add-form { gap: 8px; }
    .add-field input { width: 70px; font-size: 12px; }
    .add-total { font-size: 12px; min-width: 80px; }
}

@media (max-width: 600px) {
    .price-search-bar { padding: 8px 10px; margin-bottom: 8px; }

    .price-filters { padding: 6px 10px; }
    .price-filters .btn { display: none; } /* Скрываем «Скачать Excel» на телефонах */

    /* Прайс-таблица: горизонтальный скролл + подсказка */
    .table-wrap { position: relative; }
    .price-table { min-width: 520px; }
    .price-table th { padding: 7px 6px; font-size: 10px; }
    .price-table td { padding: 6px 6px; font-size: 11px; }
    .price-table .col-stock { width: 50px; }
    .price-table .col-add { width: 60px; }

    .add-form { flex-direction: column; align-items: stretch; }
    .add-field { flex-direction: row; align-items: center; gap: 6px; }
    .add-field label { min-width: 50px; }
    .add-field input { width: 100%; flex: 1; }
    .add-total { text-align: left; }

    .price-no-results { padding: 28px 14px; }
    .price-no-results strong { font-size: 14px; }
}

@media (max-width: 400px) {
    .price-table { min-width: 440px; }
    .filter-chip { font-size: 10px; padding: 4px 8px; }
}


/* ==========================================================
   КАЛЬКУЛЯТОР
   ========================================================== */
@media (max-width: 900px) {
    .calc-card { padding: 20px 18px; }
    .calc-card-title { font-size: 16px; }
    .calc-row--3,
    .calc-row--4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .calc-card { padding: 16px 14px; }
    .calc-card-head { margin-bottom: 16px; padding-bottom: 10px; gap: 8px; }
    .calc-card-title { font-size: 15px; }
    .calc-step { font-size: 10px; padding: 3px 8px; }

    .calc-row--2,
    .calc-row--3,
    .calc-row--4 { grid-template-columns: 1fr; }

    .calc-stats--2x2,
    .calc-stats--2col { grid-template-columns: 1fr; }

    .calc-stat { padding: 10px 12px; }
    .calc-stat-label { font-size: 10px; }
    .calc-stat-val { font-size: 15px; }

    .calc-total-card { padding: 14px 16px; }
    .calc-total-val { font-size: 20px; }
    .calc-total-title { font-size: 10px; }

    .calc-add-btn { font-size: 14px; padding: 12px 16px; }
}

@media (max-width: 400px) {
    .calc-card { padding: 14px 12px; }
    .calc-stat-val { font-size: 14px; }
    .calc-total-val { font-size: 18px; }
}


/* ==========================================================
   ORDER BAR + МОДАЛКА
   ========================================================== */
@media (max-width: 900px) {
    /* Order bar */
    .order-bar-head {
        gap: 10px;
        padding: 10px 0;
    }
    .order-bar-title { font-size: 12px; }
    .order-bar-sum-val { font-size: 15px; }
    .order-bar-toggle { font-size: 11px; padding: 6px 10px; }
    .order-bar-send { font-size: 12px; padding: 8px 14px; }

    .order-bar-body #orderItems {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }

    /* Aside panel -> bottom sheet */
    .order-panel {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        max-height: 50vh;
        border-left: none;
        border-top: 2px solid var(--navy);
        z-index: 50;
    }

    /* Modal */
    .modal { width: 92vw; max-width: 440px; }
}

@media (max-width: 720px) {
    .order-bar-head { flex-wrap: wrap; gap: 8px; }
    .order-bar-sum { margin-left: 0; order: 3; width: 100%; justify-content: flex-start; }
    .order-bar-actions { order: 4; width: 100%; }
    .order-bar-send { flex: 1; }
}

@media (max-width: 600px) {
    .order-bar-head { padding: 8px 0; }
    .order-bar-title { font-size: 11px; letter-spacing: 0.3px; }
    .order-bar-icon svg { width: 18px; height: 18px; }
    .order-bar-count { font-size: 10px; padding: 2px 7px; }
    .order-bar-sum-label { font-size: 10px; }
    .order-bar-sum-val { font-size: 14px; }
    .order-bar-empty { font-size: 11px; }

    .order-bar-body #orderItems {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    .order-bar-body .order-item { padding: 8px 10px; }
    .order-item-name { font-size: 11px; }
    .order-item-meta { font-size: 10px; }
    .order-qty { width: 60px; font-size: 11px; }
    .order-item-unit { font-size: 10px; }
    .order-item-sum { font-size: 11px; }

    /* Modal */
    .modal { width: 96vw; max-height: 88vh; border-radius: var(--radius); }
    .modal-header { padding: 12px 14px; }
    .modal-title { font-size: 13px; }
    .modal-body { padding: 14px; }
    .modal-intro { font-size: 12px; }
    .order-summary { padding: 8px 10px; max-height: 100px; }
    .sum-item { font-size: 11px; }
    .modal-footer { padding: 0 14px 14px; }
    .modal-success { padding: 24px 16px; }
    .modal-success h3 { font-size: 16px; }
    .modal-success p { font-size: 12px; }

    /* Order panel total */
    .order-total-val { font-size: 18px; }
    .order-total-label { font-size: 11px; }
    .btn-order-send { font-size: 13px; padding: 11px; }
}

@media (max-width: 400px) {
    .order-bar-body .order-item { padding: 6px 8px; }
    .modal { border-radius: var(--radius-sm); }
    .order-bar-actions { gap: 6px; }
}


/* ==========================================================
   О КОМПАНИИ
   ========================================================== */
@media (max-width: 900px) {
    .about-top { grid-template-columns: 1fr; gap: 24px; }
    .about-facts { grid-template-columns: 1fr 1fr; gap: 10px; }
    .about-cols { grid-template-columns: 1fr; gap: 0; }
    .about-services { grid-template-columns: 1fr 1fr; gap: 12px; }
    .about-lead { font-size: 16px; }
    .about-p { font-size: 14px; }
    .about-fact-card { padding: 14px 16px; }
    .about-fact-num { font-size: 26px; }
    .about-fact-label { font-size: 12px; }
}

@media (max-width: 600px) {
    .about-facts { grid-template-columns: 1fr 1fr; gap: 8px; }
    .about-services { grid-template-columns: 1fr; gap: 8px; }
    .about-lead { font-size: 15px; }
    .about-p { font-size: 13px; }
    .about-svc { padding: 16px 14px; }
    .about-svc-icon { font-size: 22px; }
    .about-svc-title { font-size: 13px; }
    .about-svc-desc { font-size: 11px; }
    .about-fact-num { font-size: 22px; }
    .about-fact-card { padding: 12px 14px; }
}


/* ==========================================================
   КОНТАКТЫ
   ========================================================== */
@media (max-width: 768px) {
    .contacts-grid { grid-template-columns: 1fr; gap: 24px; }
    .contacts-form { padding: 20px; }
    .contacts-map iframe { height: 280px; }
}

@media (max-width: 640px) {
    .req-list { grid-template-columns: 1fr; gap: 2px 0; }
    .req-list dt { font-size: 12px; color: var(--text-muted); }
    .req-list dd { margin-bottom: 8px; font-size: 13px; }
    .req-block-title { font-size: 11px; }
    .contacts-form { padding: 16px; }
    .contacts-map { margin-top: 20px; }
    .contacts-map iframe { height: 240px; }
}

@media (max-width: 400px) {
    .contacts-form { padding: 14px; }
}


/* ==========================================================
   УСЛУГИ (services) — grid inline в services/index.php
   ========================================================== */
@media (max-width: 768px) {
    /* Сетка 2×2 в services/index.php имеет inline grid-template-columns */
    /* Переопределяем с !important, т.к. inline style */
    [style*="grid-template-columns:repeat(2,1fr)"],
    [style*="grid-template-columns: repeat(2,1fr)"] {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
    }
}


/* ==========================================================
   AI-ВИДЖЕТ (отдельная страница /ai/, если есть)
   ========================================================== */
@media (max-width: 600px) {
    .ai-page-wrap { padding: 16px 10px; }
    .ai-page-wrap .ai-box { height: auto; min-height: 400px; max-height: 70vh; }
    .ai-messages { min-height: 180px; padding: 10px; }
    .ai-msg { font-size: 12px; padding: 8px 10px; }
    .ai-chips { padding: 6px 10px; gap: 5px; }
    .ai-chip { font-size: 10px; padding: 3px 8px; }
    .ai-input-row { padding: 8px 10px; gap: 6px; }
    .ai-input-row input { font-size: 16px; padding: 9px 10px; } /* 16px для iOS */
    .ai-send-btn { padding: 9px 12px; font-size: 11px; }
}


/* ==========================================================
   HERO-СЕКЦИИ ВНУТРЕННИХ СТРАНИЦ (inline styles в PHP)
   Переопределяем inline padding/font-size через !important
   ========================================================== */
@media (max-width: 600px) {
    /* Общие hero-секции на внутренних страницах */
    section[style*="padding:40px"],
    section[style*="padding:36px"],
    section[style*="padding: 40px"],
    section[style*="padding: 36px"] {
        padding: 24px 14px !important;
    }
    section[style*="padding:40px"] h1,
    section[style*="padding:36px"] h1,
    section[style*="padding: 40px"] h1,
    section[style*="padding: 36px"] h1 {
        font-size: 22px !important;
    }
    section[style*="padding:40px"] p,
    section[style*="padding:36px"] p,
    section[style*="padding: 40px"] p,
    section[style*="padding: 36px"] p {
        font-size: 13px !important;
    }
}


/* ==========================================================
   ЮРИДИЧЕСКИЕ СТРАНИЦЫ (privacy, terms) — длинный текст
   ========================================================== */
@media (max-width: 600px) {
    .legal-content,
    .terms-content,
    .privacy-content {
        font-size: 13px;
        line-height: 1.7;
    }
    .legal-content h2,
    .terms-content h2,
    .privacy-content h2 {
        font-size: 18px;
    }
}


/* ==========================================================
   БЛОГ
   ========================================================== */
@media (max-width: 600px) {
    .blog-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
}


/* ==========================================================
   УТИЛИТЫ: тач-таргеты, скролл, переполнение
   ========================================================== */
@media (max-width: 900px) {
    /* Минимальный размер тач-таргета 44px */
    .filter-chip,
    .marka-pill,
    .order-bar-toggle,
    .order-bar-clear,
    .order-item-del,
    .ai-chip,
    .search-clear {
        min-height: 36px;
        display: inline-flex;
        align-items: center;
    }

    /* Плавный скролл для горизонтальных контейнеров */
    .table-wrap,
    .quick-nav .container,
    .marka-row-inner {
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    /* Предотвращение залипания hover на тач-экранах */
    @media (hover: none) {
        .card:hover,
        .group-card:hover,
        .svc-card:hover,
        .nav-link:hover,
        .product-row:hover,
        .marka-pill:hover,
        .filter-chip:hover {
            border-color: inherit;
            box-shadow: none;
            background: inherit;
            color: inherit;
        }
    }
}