/* ============================================================
   БКМ-СТАТУС — main.css
   Базовые стили, переменные, компоненты
   ============================================================ */

/* --- CSS-переменные (дизайн-система) --- */
:root {
    --navy:       #1A3A5C;
    --blue:       #2E6DA4;
    --blue-light: #E8F0F8;
    --orange:     #E07A1F;
    --orange-bg:  #FEF0E6;
    --steel:      #6B7B8D;
    --bg-page:    #F7F9FC;
    --bg-white:   #FFFFFF;
    --text:       #1A1A1A;
    --text-muted: #6B7B8D;
    --border:     #E0E7EF;
    --border-dark:#C5D8EF;
    --green:      #1A6B3C;
    --green-bg:   #EAF5EF;
    --red:        #C0392B;

    --radius-sm:  4px;
    --radius:     8px;
    --radius-lg:  12px;

    --shadow-sm:  0 1px 4px rgba(0,0,0,0.06);
    --shadow:     0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg:  0 4px 24px rgba(0,0,0,0.12);

    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    --font-mono: 'Roboto Mono', 'Courier New', monospace;

    --max-width: 1100px;
    --header-h:  56px;

    /* Высоты sticky-слоёв на прайс-листе. Используются в price.css / mobile.css
       для расчёта top-смещений и scroll-margin. */
    --order-bar-h:       50px;  /* sticky полоса "Моя заявка" */
    --price-search-h:    68px;  /* sticky строка поиска */
    --price-filters-h:   52px;  /* sticky фильтры по группам */
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text); background: var(--bg-page); line-height: 1.6; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: var(--font); }
input, textarea, select { font-family: var(--font); }

/* --- Container --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Topbar --- */
.topbar {
    background: #142D49;
    padding: 6px 20px;
}
.topbar .container {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}
.topbar-item {
    font-size: 12px;
    color: rgba(255,255,255,0.55);
    display: flex;
    align-items: center;
    gap: 5px;
}
.topbar-item a { color: rgba(255,255,255,0.65); }
.topbar-item a:hover { color: #fff; text-decoration: none; }
.topbar-right { margin-left: auto; }

/* --- Header --- */
.header {
    background: var(--navy);
    height: var(--header-h);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.header .container {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 24px;
}

/* Logo */
.logo { display: flex; align-items: baseline; gap: 0; text-decoration: none; }
.logo-bkm    { font-size: 20px; font-weight: 700; color: #fff; letter-spacing: 0.5px; }
.logo-dash   { font-size: 20px; font-weight: 400; color: rgba(255,255,255,0.5); }
.logo-status { font-size: 20px; font-weight: 400; color: rgba(255,255,255,0.7); }
.logo:hover .logo-bkm { color: #fff; }

/* Nav */
.nav {
    display: flex;
    height: var(--header-h);
    margin-left: auto;
}
.nav-link {
    display: flex;
    align-items: center;
    padding: 0 13px;
    font-size: 13px;
    color: rgba(255,255,255,0.78);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
    white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
    color: #fff;
    border-bottom-color: var(--orange);
    text-decoration: none;
}

/* Phone */
.header-phone { text-align: right; flex-shrink: 0; }
.phone-link {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
}
.phone-link:hover { color: #fff; text-decoration: none; }
.header-phone small {
    font-size: 11px;
    color: rgba(255,255,255,0.45);
    display: block;
    margin-top: 1px;
}

/* Burger */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 4px;
    margin-left: auto;
}
/* Шапка мобильного меню и overlay — скрыты на десктопе, видны в mobile.css */
.nav-mobile-header,
.nav-overlay { display: none; }

/* На прайсе короткий вариант подписи кнопки (+/✓) виден только на <600px */
.btn-label-short { display: none; }

/* Мобильный тумблер marks-bar (добавляется JS'ом) — на десктопе скрыт */
.marks-bar-toggle--mobile { display: none; }

/* Тумблер «Другие группы» в сайдбаре — на десктопе скрыт, виден только на <600px */
.catalog-sidebar-toggle { display: none; }
.burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.2s;
}

/* --- Breadcrumbs --- */
.breadcrumbs {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 8px 20px;
}
.breadcrumbs-list {
    display: flex;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
    max-width: var(--max-width);
    margin: 0 auto;
}
.breadcrumbs-list li {
    font-size: 13px;
    color: var(--text-muted);
}
.breadcrumbs-list li + li::before {
    content: '→';
    margin: 0 8px;
    color: var(--border-dark);
}
.breadcrumbs-list a {
    color: var(--blue);
    text-decoration: none;
}
.breadcrumbs-list a:hover { text-decoration: underline; }
.breadcrumbs-list span { color: var(--text-muted); }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
    text-decoration: none;
    white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: scale(0.98); }
.btn--orange { background: var(--orange); color: #fff; }
.btn--orange:hover { background: #C96A10; color: #fff; }
.btn--navy   { background: var(--navy); color: #fff; }
.btn--navy:hover { background: #142D49; color: #fff; }
.btn--outline {
    background: transparent;
    color: var(--navy);
    border: 1.5px solid var(--navy);
}
.btn--outline:hover { background: var(--blue-light); }
.btn--outline-white {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.4);
}
.btn--outline-white:hover { border-color: #fff; }
.btn--sm { padding: 8px 18px; font-size: 13px; }
.btn--lg { padding: 15px 36px; font-size: 16px; }

/* --- Cards --- */
.card {
    background: var(--bg-white);
    border: 0.5px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.card:hover {
    border-color: var(--blue);
    box-shadow: var(--shadow);
}

/* --- Section --- */
.section { padding: 48px 20px; }
.section--white { background: var(--bg-white); }
.section--navy  { background: var(--navy); }
.section--blue  { background: var(--blue-light); }
.section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 6px;
}
.section-subtitle {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 28px;
}
.section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 24px;
}
.section-link {
    font-size: 13px;
    color: var(--blue);
    white-space: nowrap;
}

/* --- Forms --- */
.form-group { margin-bottom: 16px; }
.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #444;
    margin-bottom: 5px;
}
.form-label span { color: var(--red); }
.form-input,
.form-textarea,
.form-select {
    width: 100%;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius);
    padding: 10px 13px;
    font-size: 14px;
    color: var(--text);
    background: var(--bg-page);
    transition: border-color 0.15s, background 0.15s;
    outline: none;
    appearance: none;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--blue);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(46,109,164,0.12);
}
.form-input::placeholder,
.form-textarea::placeholder { color: #A0ADBA; }
.form-textarea { resize: vertical; min-height: 90px; }
.form-hint { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--red); margin-top: 4px; display: none; }

/* --- Badges --- */
.badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
}
.badge--green  { background: var(--green-bg); color: var(--green); }
.badge--orange { background: var(--orange-bg); color: #854F0B; }
.badge--red    { background: #FCEBEB; color: var(--red); }
.badge--blue   { background: var(--blue-light); color: var(--navy); }

/* --- Stock badges --- */
.stock-да     { color: var(--green);  font-weight: 600; }
.stock-мало   { color: #854F0B;       font-weight: 600; }
.stock-нет    { color: var(--red);    font-weight: 600; }

/* --- Tables --- */
.table-wrap { overflow-x: auto; }
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.table th {
    background: var(--navy);
    color: #fff;
    font-weight: 600;
    padding: 10px 12px;
    text-align: left;
    font-size: 12px;
    white-space: nowrap;
}
.table td {
    padding: 9px 12px;
    border-bottom: 0.5px solid var(--border);
    vertical-align: middle;
}
.table tbody tr:hover { background: var(--blue-light); }
.table tbody tr:nth-child(even) { background: var(--bg-page); }
.table tbody tr:nth-child(even):hover { background: var(--blue-light); }

/* --- Non-offer disclaimer (price/catalog/calculator pages) --- */
.site-disclaimer {
    background: var(--blue-light);
    border-left: 2px solid var(--orange);
    border-radius: var(--radius);
    padding: 9px 14px;
    margin: 14px 0 18px;
    font-size: 11px;
    line-height: 1.55;
    color: #4a5a6e;
}
.site-disclaimer strong { color: var(--navy); font-weight: 600; }
.site-disclaimer p { margin: 0; }
.site-disclaimer p + p { margin-top: 4px; }

/* --- "Цена по запросу" --- общий стиль для прайса, корзины, каталога */
.price-on-request {
    color: var(--text-muted);
    font-style: italic;
    font-weight: 400;
    font-size: 0.95em;
    white-space: nowrap;
}
.order-total-note {
    color: var(--text-muted);
    font-style: italic;
    font-weight: 400;
    font-size: 12px;
    margin-left: 6px;
}
.order-item--on-request .order-item-sum {
    color: var(--text-muted);
}

/* --- Footer --- */
.footer {
    background: #142D49;
    padding: 40px 20px 20px;
    margin-top: auto;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 28px;
}
.footer-logo {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}
.footer-logo span { font-weight: 400; opacity: 0.6; }
.footer-desc {
    font-size: 13px;
    color: rgba(255,255,255,0.45);
    line-height: 1.6;
    margin-bottom: 14px;
}
.footer-phone {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 4px;
}
.footer-email {
    display: block;
    font-size: 13px;
    color: rgba(255,255,255,0.55);
    margin-bottom: 6px;
}
.footer-addr,
.footer-hours {
    font-size: 12px;
    color: rgba(255,255,255,0.35);
    margin-top: 2px;
}
.footer-col-title {
    font-size: 11px;
    font-weight: 600;
    color: rgba(255,255,255,0.45);
    letter-spacing: 0.8px;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.footer-links { display: flex; flex-direction: column; gap: 7px; }
.footer-links a {
    font-size: 13px;
    color: rgba(255,255,255,0.55);
    text-decoration: none;
}
.footer-links a:hover { color: #fff; text-decoration: none; }
.footer-cta { margin-top: 16px; }
.footer-cta-text { font-size: 12px; color: rgba(255,255,255,0.45); margin-bottom: 8px; }
.footer-disclaimer {
    border-top: 0.5px solid rgba(255,255,255,0.1);
    padding-top: 14px;
    margin-bottom: 10px;
    font-size: 11px;
    line-height: 1.55;
    color: rgba(255,255,255,0.4);
    max-width: 780px;
}
.footer-bottom {
    border-top: 0.5px solid rgba(255,255,255,0.08);
    padding-top: 14px;
    display: flex;
    gap: 24px;
    align-items: center;
    flex-wrap: wrap;
}
.footer-copy,
.footer-legal,
.footer-dev { font-size: 11px; color: rgba(255,255,255,0.3); }
.footer-dev a { color: rgba(255,255,255,0.4); }

/* --- Responsive --- */
@media (max-width: 900px) {
    .nav { display: none; }
    .header-phone { display: none; }
    .burger { display: flex; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
    .section { padding: 32px 16px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 6px; align-items: flex-start; }
    .topbar .container { gap: 12px; }
    .topbar-right { margin-left: 0; }
}