/* ============================================================
   SFMaks Storefront — современная дизайн-система
   Поверх локального Bootstrap 3 (без CDN, без внешних зависимостей)
   ============================================================ */

:root {
    --sf-primary: #e11d2a;
    --sf-primary-dark: #b3121d;
    --sf-primary-soft: #fdecee;
    --sf-accent: #ff7a00;
    --sf-ink: #1b1f24;
    --sf-body: #5b636e;
    --sf-muted: #8a929e;
    --sf-line: #eceef1;
    --sf-bg: #f6f7f9;
    --sf-surface: #ffffff;
    --sf-radius: 14px;
    --sf-radius-sm: 10px;
    --sf-shadow: 0 6px 22px rgba(20, 24, 31, 0.07);
    --sf-shadow-hover: 0 14px 38px rgba(20, 24, 31, 0.14);
    --sf-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    background: var(--sf-bg);
    color: var(--sf-ink);
    font-family: var(--sf-font);
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a { color: var(--sf-primary); text-decoration: none; transition: color .15s ease; }
a:hover, a:focus { color: var(--sf-primary-dark); text-decoration: none; }

img { max-width: 100%; }

/* ---------- Контейнер ---------- */
.sf-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}
.container { max-width: 1200px; }

/* ============================================================
   Header
   ============================================================ */
.sf-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--sf-surface);
    box-shadow: 0 1px 0 var(--sf-line), 0 4px 18px rgba(20, 24, 31, 0.06);
}
.sf-topbar {
    background: var(--sf-ink);
    color: #c7ccd4;
    font-size: 13px;
}
.sf-topbar a { color: #c7ccd4; margin-right: 18px; }
.sf-topbar a:hover { color: #fff; }
.sf-topbar .sf-container { display: flex; align-items: center; justify-content: space-between; height: 38px; }
.sf-topbar .sf-top-links { display: flex; flex-wrap: wrap; }

.sf-mainbar .sf-container {
    display: flex;
    align-items: center;
    gap: 18px;
    padding-top: 14px;
    padding-bottom: 14px;
}
.sf-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 24px;
    letter-spacing: -0.5px;
    color: var(--sf-ink);
    white-space: nowrap;
}
.sf-brand:hover { color: var(--sf-ink); }
.sf-brand .sf-mark {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--sf-primary), var(--sf-accent));
    color: #fff;
    display: grid; place-items: center;
    font-size: 18px; font-weight: 900;
    box-shadow: 0 4px 12px rgba(225, 29, 42, 0.35);
}
.sf-brand b { color: var(--sf-primary); }

.sf-search {
    flex: 1;
    display: flex;
    background: var(--sf-bg);
    border: 1.5px solid var(--sf-line);
    border-radius: 999px;
    overflow: hidden;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.sf-search:focus-within {
    border-color: var(--sf-primary);
    box-shadow: 0 0 0 4px var(--sf-primary-soft);
}
.sf-search .sf-search-type {
    border: none;
    background: transparent;
    padding: 0 14px;
    font-size: 14px;
    color: var(--sf-body);
    border-right: 1px solid var(--sf-line);
    cursor: pointer;
    outline: none;
}
.sf-search input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--sf-ink);
    outline: none;
}
.sf-search button {
    border: none;
    background: var(--sf-primary);
    color: #fff;
    padding: 0 26px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: background .15s ease;
}
.sf-search button:hover { background: var(--sf-primary-dark); }

.sf-actions { display: flex; align-items: center; gap: 8px; }
.sf-icon-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: 999px;
    color: var(--sf-ink);
    font-size: 14px;
    font-weight: 600;
    background: var(--sf-bg);
    transition: background .15s ease, color .15s ease;
    white-space: nowrap;
}
.sf-icon-btn:hover { background: var(--sf-primary-soft); color: var(--sf-primary); }
.sf-icon-btn i { font-size: 17px; }
.sf-badge {
    position: absolute;
    top: -4px; right: -4px;
    min-width: 18px; height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: var(--sf-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: grid; place-items: center;
}
.sf-btn-primary {
    background: var(--sf-primary);
    color: #fff;
}
.sf-btn-primary:hover { background: var(--sf-primary-dark); color: #fff; }

/* Мега-меню каталога */
.sf-catbar { background: var(--sf-surface); border-bottom: 1px solid var(--sf-line); }
.sf-catbar .sf-container { display: flex; gap: 4px; flex-wrap: wrap; }
.sf-cat-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    font-weight: 600;
    font-size: 14px;
    color: var(--sf-ink);
    border-radius: 8px 8px 0 0;
}
.sf-cat-link:hover { background: var(--sf-bg); color: var(--sf-primary); }
.sf-cat-link i { color: var(--sf-primary); }

/* ============================================================
   Hero
   ============================================================ */
.sf-hero {
    background:
        radial-gradient(1200px 400px at 80% -10%, rgba(255,122,0,0.18), transparent),
        linear-gradient(135deg, #1b1f24 0%, #2b313a 60%, #3a2630 100%);
    color: #fff;
    padding: 64px 0 72px;
    position: relative;
    overflow: hidden;
}
.sf-hero h1 {
    font-size: 42px;
    line-height: 1.1;
    font-weight: 800;
    margin: 0 0 16px;
    letter-spacing: -1px;
}
.sf-hero p {
    font-size: 18px;
    color: #cfd5de;
    max-width: 560px;
    margin: 0 0 28px;
}
.sf-hero .sf-hero-search {
    max-width: 620px;
    background: #fff;
    border-radius: 999px;
    display: flex;
    overflow: hidden;
    box-shadow: 0 18px 40px rgba(0,0,0,0.3);
}
.sf-hero .sf-hero-search input {
    flex: 1; border: none; outline: none; padding: 18px 22px; font-size: 16px;
}
.sf-hero .sf-hero-search button {
    border: none; background: var(--sf-primary); color: #fff;
    padding: 0 30px; font-weight: 700; font-size: 16px; cursor: pointer;
}
.sf-hero .sf-hero-search button:hover { background: var(--sf-primary-dark); }
.sf-hero-stats { display: flex; gap: 38px; margin-top: 38px; flex-wrap: wrap; }
.sf-hero-stats .sf-stat b { font-size: 26px; display: block; }
.sf-hero-stats .sf-stat span { color: #aeb6c2; font-size: 14px; }

/* ============================================================
   Секции
   ============================================================ */
.sf-section { padding: 54px 0; }
.sf-section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 26px;
    gap: 16px;
}
.sf-section-head h2 {
    font-size: 28px;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.5px;
}
.sf-section-head a { font-weight: 600; color: var(--sf-body); }
.sf-section-head a:hover { color: var(--sf-primary); }

/* Категории */
.sf-cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 18px;
}
.sf-cat-card {
    background: var(--sf-surface);
    border: 1px solid var(--sf-line);
    border-radius: var(--sf-radius);
    padding: 24px 20px;
    text-align: center;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.sf-cat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sf-shadow-hover);
    border-color: transparent;
}
.sf-cat-card .sf-cat-ico {
    width: 56px; height: 56px;
    margin: 0 auto 14px;
    border-radius: 16px;
    display: grid; place-items: center;
    background: var(--sf-primary-soft);
    color: var(--sf-primary);
    font-size: 26px;
}
.sf-cat-card h4 { font-size: 16px; margin: 0 0 4px; font-weight: 700; }
.sf-cat-card span { color: var(--sf-muted); font-size: 13px; }

/* Преимущества */
.sf-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}
.sf-feature {
    background: var(--sf-surface);
    border: 1px solid var(--sf-line);
    border-radius: var(--sf-radius);
    padding: 26px 22px;
    transition: box-shadow .18s ease, transform .18s ease;
}
.sf-feature:hover { box-shadow: var(--sf-shadow); transform: translateY(-3px); }
.sf-feature .sf-feature-ico {
    width: 50px; height: 50px;
    border-radius: 14px;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--sf-primary), var(--sf-accent));
    color: #fff; font-size: 22px; margin-bottom: 16px;
}
.sf-feature h4 { font-size: 17px; margin: 0 0 8px; font-weight: 700; }
.sf-feature p { color: var(--sf-body); margin: 0; font-size: 14px; }

/* CTA полоса */
.sf-cta {
    background: linear-gradient(135deg, var(--sf-primary), var(--sf-accent));
    border-radius: 20px;
    padding: 40px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.sf-cta h3 { margin: 0 0 6px; font-size: 24px; font-weight: 800; }
.sf-cta p { margin: 0; opacity: .92; }
.sf-cta .sf-btn-light {
    background: #fff; color: var(--sf-primary);
    font-weight: 700; padding: 14px 28px; border-radius: 999px;
    border: none; cursor: pointer; font-size: 15px;
}
.sf-cta .sf-btn-light:hover { background: #fff5f3; }

/* ============================================================
   Карточки / универсальные блоки
   ============================================================ */
.sf-card {
    background: var(--sf-surface);
    border: 1px solid var(--sf-line);
    border-radius: var(--sf-radius);
    padding: 24px;
    box-shadow: var(--sf-shadow);
}
.sf-card h3 { margin-top: 0; }

/* Bootstrap overrides для современного вида */
.btn {
    border-radius: 999px;
    font-weight: 600;
    padding: 10px 22px;
    border: none;
    transition: all .15s ease;
}
.btn-danger { background: var(--sf-primary); }
.btn-danger:hover, .btn-danger:focus { background: var(--sf-primary-dark); color: #fff; }
.btn-default { background: var(--sf-bg); color: var(--sf-ink); border: 1px solid var(--sf-line); }
.btn-default:hover { background: #eceef1; color: var(--sf-ink); }
.form-control {
    border-radius: var(--sf-radius-sm);
    border: 1.5px solid var(--sf-line);
    box-shadow: none;
    height: auto;
    padding: 11px 14px;
    font-size: 15px;
}
.form-control:focus {
    border-color: var(--sf-primary);
    box-shadow: 0 0 0 4px var(--sf-primary-soft);
}
.panel {
    border: none;
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow);
}
.panel-default > .panel-heading {
    background: var(--sf-surface);
    border-bottom: 1px solid var(--sf-line);
    border-radius: var(--sf-radius) var(--sf-radius) 0 0;
    font-weight: 700;
}
.alert {
    border: none;
    border-radius: var(--sf-radius-sm);
    border-left: 4px solid transparent;
}
.alert-success { background: #eafaf0; color: #1c7a3e; border-left-color: #2faa5b; }
.alert-danger { background: #fdecee; color: #b3121d; border-left-color: var(--sf-primary); }

/* ============================================================
   Footer
   ============================================================ */
.sf-footer {
    margin-top: auto;
    background: var(--sf-ink);
    color: #aeb6c2;
    padding: 48px 0 26px;
    font-size: 14px;
}
.sf-footer h4 { color: #fff; font-size: 16px; margin: 0 0 16px; font-weight: 700; }
.sf-footer a { color: #aeb6c2; display: block; margin-bottom: 9px; }
.sf-footer a:hover { color: #fff; }
.sf-footer .sf-foot-brand { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.sf-footer .sf-foot-brand b { color: var(--sf-primary); }
.sf-footer hr { border-color: #2c323b; margin: 26px 0; }
.sf-footer .sf-foot-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; color: #7e8794; }

/* ============================================================
   Производители (/manufacturers — каталог брендов)
   ============================================================ */
.sf-man-head { margin-bottom: 22px; }
.sf-man-head h1 { font-size: 30px; font-weight: 800; margin: 0 0 8px; letter-spacing: -0.5px; }
.sf-man-head p { color: var(--sf-body); margin: 0; font-size: 15px; }
.sf-man-group { margin-bottom: 20px; }
.sf-man-letter { font-size: 17px; font-weight: 600; color: #171a1c; margin: 0 0 4px; }
.sf-man-list { -webkit-columns: 4; -moz-columns: 4; columns: 4; -webkit-column-gap: 16px; -moz-column-gap: 16px; column-gap: 16px; }
.sf-man-list a { display: block; font-size: 15px; line-height: 24px; color: #5e666e; text-decoration: none; }
.sf-man-list a:hover { color: #516dd2; }
@media (max-width: 991px) { .sf-man-list { -webkit-columns: 2; -moz-columns: 2; columns: 2; } }
@media (max-width: 575px) { .sf-man-list { -webkit-columns: 1; -moz-columns: 1; columns: 1; } }

/* Страница производителя (/manufacturers/:slug) */
.sf-page-head { margin-bottom: 22px; }
.sf-page-head h1 { font-size: 30px; font-weight: 800; margin: 0 0 6px; letter-spacing: -0.5px; }
.sf-page-head p { color: var(--sf-body); margin: 0; }
.sf-brand-logo { width: 96px; height: 96px; object-fit: contain; border-radius: 16px; background: #fff; border: 1px solid var(--sf-line); padding: 10px; margin-bottom: 14px; }
.sf-brand-desc { background: var(--sf-surface); border: 1px solid var(--sf-line); border-radius: var(--sf-radius); padding: 18px 20px; margin: 18px 0 26px; color: var(--sf-body); line-height: 1.6; }
.sf-prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 16px; }
.sf-prod-card { display: block; background: var(--sf-surface); border: 1px solid var(--sf-line); border-radius: var(--sf-radius); padding: 18px; text-align: center; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; color: var(--sf-ink); }
.sf-prod-card:hover { transform: translateY(-4px); box-shadow: var(--sf-shadow-hover); border-color: transparent; color: var(--sf-ink); }
.sf-prod-name { font-size: 14px; font-weight: 600; margin: 10px 0 0; }
.sf-prod-mfr { font-size: 12px; color: var(--sf-muted); margin-top: 4px; }
.sf-pager { display: flex; gap: 8px; justify-content: center; margin-top: 26px; flex-wrap: wrap; }
.sf-pager a, .sf-pager span { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--sf-line); background: var(--sf-surface); color: var(--sf-ink); font-weight: 600; }
.sf-pager a:hover { background: var(--sf-primary-soft); color: var(--sf-primary); }
.sf-pager .active { background: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }
.sf-others { margin-top: 40px; }
.sf-others h3 { font-size: 18px; font-weight: 700; margin: 0 0 14px; }
.sf-chip { display: inline-block; padding: 6px 14px; border-radius: 999px; background: var(--sf-surface); border: 1px solid var(--sf-line); color: var(--sf-body); margin: 0 8px 8px 0; font-size: 13px; }
.sf-chip:hover { border-color: var(--sf-primary); color: var(--sf-primary); }
.sf-cats { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 28px; }
.sf-cat-pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 12px; background: var(--sf-surface); border: 1px solid var(--sf-line); color: var(--sf-ink); font-size: 13px; }
.sf-cat-pill b { color: var(--sf-primary); }
.sf-empty { text-align: center; padding: 60px 20px; background: var(--sf-surface); border: 1px solid var(--sf-line); border-radius: var(--sf-radius); box-shadow: var(--sf-shadow); }

/* ============================================================
   Адаптив
   ============================================================ */
@media (max-width: 991px) {
    .sf-mainbar .sf-container { flex-wrap: wrap; }
    .sf-search { order: 3; flex-basis: 100%; }
    .sf-hero h1 { font-size: 32px; }
}
@media (max-width: 575px) {
    .sf-topbar { display: none; }
    .sf-actions .sf-icon-btn span { display: none; }
    .sf-hero { padding: 40px 0; }
    .sf-hero h1 { font-size: 26px; }
    .sf-section { padding: 36px 0; }
}