/*
Theme Name: Beifangwuxian
Theme URI: https://www.beifangwuxian.com/
Author: BeiFang Wireless Monitoring Technology Co., Ltd.
Author URI: https://www.beifangwuxian.com/
Description: 北方无线（beifangwuxian.com）企业官网主题，适用于检测检验、无线电监测与综合技术服务类企业。采用经典门户型布局：顶部信息栏 + 全屏轮播主视觉 + 三栏信息区，融合数据展示滚动叙事模块。内置产品与服务、案例客户、新闻动态、FAQ、隐私政策、404 等模板，含面包屑导航、SEO TDK 输出、移动端汉堡菜单与加载动画。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: beifangwuxian
Tags: grid-layout, two-columns, three-columns, block-styles, custom-colors, custom-logo, custom-menu, editor-style, featured-images, footer-widgets, full-width-template, theme-options, threaded-comments, translation-ready, blog, news
*/

/* =====================================================
   1. Design Tokens
   ===================================================== */
:root {
  --bfw-primary: #0c56c0;
  --bfw-primary-dark: #0a47a0;
  --bfw-deep: #0a2e66;
  --bfw-secondary: #0fb5c9;
  --bfw-accent: #e8942a;
  --bfw-bg: #f5f8fc;
  --bfw-surface: #ffffff;
  --bfw-text: #17263c;
  --bfw-muted: #5e7189;
  --bfw-border: #e3eaf3;
  --bfw-radius: 12px;
  --bfw-radius-sm: 8px;
  --bfw-radius-lg: 18px;
  --bfw-shadow: 0 8px 24px rgba(12, 86, 192, 0.10);
  --bfw-shadow-lg: 0 18px 44px rgba(12, 86, 192, 0.16);
  --bfw-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --bfw-container: 1200px;
  --bfw-gap: 24px;
}

/* =====================================================
   2. Base
   ===================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--bfw-font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--bfw-text);
  background: var(--bfw-surface);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--bfw-primary); text-decoration: none; transition: color 0.25s ease; }
a:hover, a:focus { color: var(--bfw-primary-dark); }
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  font-weight: 700;
  line-height: 1.28;
  color: var(--bfw-text);
}
h1 { font-size: clamp(30px, 4.4vw, 52px); }
h2 { font-size: clamp(24px, 3vw, 36px); }
h3 { font-size: clamp(19px, 2vw, 24px); }
p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.4em; }
blockquote {
  margin: 1.6em 0; padding: 1em 1.4em;
  border-left: 4px solid var(--bfw-primary);
  background: var(--bfw-bg); border-radius: 0 var(--bfw-radius-sm) var(--bfw-radius-sm) 0;
  color: var(--bfw-muted);
}
code, kbd, pre { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.92em; }
pre { background: var(--bfw-deep); color: #dbe7ff; padding: 1.2em; border-radius: var(--bfw-radius-sm); overflow: auto; }
table { width: 100%; border-collapse: collapse; margin: 0 0 1.4em; }
th, td { border: 1px solid var(--bfw-border); padding: 0.65em 0.9em; text-align: left; }
th { background: var(--bfw-bg); font-weight: 700; }
hr { border: 0; border-top: 1px solid var(--bfw-border); margin: 2.4em 0; }

/* Accessibility */
.screen-reader-text {
  border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%);
  height: 1px; width: 1px; margin: -1px; overflow: hidden;
  padding: 0; position: absolute !important; word-wrap: normal !important;
}
.screen-reader-text:focus {
  background: var(--bfw-primary); clip: auto !important; clip-path: none;
  color: #fff; display: block; font-size: 14px; font-weight: 700;
  height: auto; left: 8px; line-height: normal; padding: 14px 22px;
  text-decoration: none; top: 8px; width: auto; z-index: 100000;
  border-radius: var(--bfw-radius-sm);
}
.skip-link { position: absolute; left: -9999px; }

/* WP core alignment / caption classes */
.alignleft { float: left; margin: 0.4em 1.6em 1em 0; }
.alignright { float: right; margin: 0.4em 0 1em 1.6em; }
.aligncenter { display: block; margin: 0.4em auto 1em; }
.alignwide { margin-left: -4%; margin-right: -4%; max-width: 108%; }
.alignfull { margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw); max-width: 100vw; }
.wp-caption { max-width: 100%; }
.wp-caption-text, .gallery-caption {
  font-size: 13px; color: var(--bfw-muted); text-align: center; padding: 0.5em 0 0;
}
.sticky { border-color: var(--bfw-secondary); }
.bypostauthor { background: var(--bfw-bg); border-radius: var(--bfw-radius); }
.post-password-form input[type="password"] { padding: 0.5em 0.8em; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius-sm); }

/* =====================================================
   3. Layout Utilities
   ===================================================== */
.bfw-container { width: 100%; max-width: var(--bfw-container); margin: 0 auto; padding: 0 24px; }
.bfw-section { padding: 72px 0; }
.bfw-section--tint { background: var(--bfw-bg); }
.bfw-section--deep { background: var(--bfw-deep); color: #dbe7ff; }
.bfw-section--deep h2, .bfw-section--deep h3 { color: #ffffff; }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.section-head .kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.22em;
  color: var(--bfw-primary); text-transform: uppercase; margin-bottom: 12px;
}
.section-head .kicker::before, .section-head .kicker::after {
  content: ""; width: 26px; height: 2px; background: var(--bfw-secondary); border-radius: 2px;
}
.section-head h2 { margin-bottom: 10px; }
.section-head p { color: var(--bfw-muted); margin: 0; }
.section-head--left { text-align: left; margin-left: 0; }
.section-head--left .kicker::before { display: none; }

.grid { display: grid; gap: var(--bfw-gap); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* =====================================================
   4. Buttons / Badges
   ===================================================== */
.bfw-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border: 0; cursor: pointer;
  font-family: var(--bfw-font); font-size: 15px; font-weight: 700; line-height: 1.2;
  border-radius: var(--bfw-radius-sm);
  background: var(--bfw-primary); color: #fff;
  transition: all 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
  box-shadow: 0 8px 20px rgba(12, 86, 192, 0.28);
}
.bfw-btn:hover, .bfw-btn:focus { background: var(--bfw-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 14px 30px rgba(12, 86, 192, 0.36); }
.bfw-btn--ghost { background: transparent; border: 1.5px solid rgba(255,255,255,0.75); box-shadow: none; }
.bfw-btn--ghost:hover { background: #fff; color: var(--bfw-deep); border-color: #fff; }
.bfw-btn--outline { background: transparent; border: 1.5px solid var(--bfw-primary); color: var(--bfw-primary); box-shadow: none; }
.bfw-btn--outline:hover { background: var(--bfw-primary); color: #fff; }
.bfw-btn--light { background: #fff; color: var(--bfw-deep); box-shadow: 0 8px 20px rgba(4, 18, 44, 0.35); }
.bfw-btn--sm { padding: 9px 20px; font-size: 14px; }
.bfw-btn .arrow { transition: transform 0.28s ease; }
.bfw-btn:hover .arrow { transform: translateX(4px); }

.bfw-badge {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  font-size: 12.5px; font-weight: 700; line-height: 1.5;
  background: rgba(15, 181, 201, 0.12); color: #0a8fa3;
}
.bfw-badge--blue { background: rgba(12, 86, 192, 0.10); color: var(--bfw-primary); }
.bfw-badge--accent { background: rgba(232, 148, 42, 0.14); color: #b56f14; }

/* =====================================================
   5. Top Bar
   ===================================================== */
.site-topbar { background: var(--bfw-deep); color: #b8cbe8; font-size: 13.5px; }
.site-topbar__inner { display: flex; justify-content: space-between; align-items: center; height: 40px; }
.site-topbar a { color: #b8cbe8; }
.site-topbar a:hover { color: #fff; }
.site-topbar__group { display: flex; align-items: center; gap: 20px; }
.site-topbar__group span { display: inline-flex; align-items: center; gap: 6px; }
.site-topbar .divider { width: 1px; height: 12px; background: rgba(255,255,255,0.18); }

/* =====================================================
   6. Header / Navigation
   ===================================================== */
.site-header { background: #fff; position: sticky; top: 0; z-index: 999; box-shadow: 0 1px 0 var(--bfw-border); transition: box-shadow 0.3s ease; }
.site-header.is-stuck { box-shadow: 0 10px 30px rgba(10, 46, 102, 0.10); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: 78px; gap: 28px; }
.site-branding { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.site-branding .custom-logo { max-height: 52px; width: auto; }
.site-branding__mark { width: 44px; height: 44px; flex-shrink: 0; }
.site-branding__text .name { font-size: 24px; font-weight: 800; letter-spacing: 0.04em; color: var(--bfw-deep); line-height: 1.15; }
.site-branding__text .name em { font-style: normal; color: var(--bfw-primary); }
.site-branding__text .en { font-size: 11px; letter-spacing: 0.14em; color: var(--bfw-muted); text-transform: uppercase; }
.site-branding a { color: inherit; }

.main-nav > ul { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.main-nav li { position: relative; }
.main-nav a {
  display: block; padding: 10px 16px; border-radius: var(--bfw-radius-sm);
  font-size: 16px; font-weight: 600; color: var(--bfw-text);
}
.main-nav a:hover, .main-nav .current-menu-item > a, .main-nav .current_page_item > a {
  color: var(--bfw-primary); background: rgba(12, 86, 192, 0.07);
}
.main-nav .menu-item-has-children > a::after { content: "▾"; margin-left: 6px; font-size: 12px; opacity: 0.6; }
.main-nav .sub-menu {
  position: absolute; top: calc(100% + 10px); left: 0; min-width: 190px;
  background: #fff; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius);
  box-shadow: var(--bfw-shadow-lg); padding: 8px; list-style: none; margin: 0;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all 0.26s ease; z-index: 10;
}
.main-nav li:hover > .sub-menu, .main-nav li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.main-nav .sub-menu a { padding: 9px 14px; font-size: 15px; border-radius: var(--bfw-radius-sm); }

.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.header-search-btn {
  width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--bfw-border); background: #fff; color: var(--bfw-deep);
  border-radius: 50%; cursor: pointer; transition: all 0.25s ease;
}
.header-search-btn:hover { background: var(--bfw-primary); border-color: var(--bfw-primary); color: #fff; }
.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--bfw-border); background: #fff;
  border-radius: var(--bfw-radius-sm); cursor: pointer; padding: 10px; flex-direction: column;
  justify-content: space-between; align-items: stretch;
}
.nav-toggle span { display: block; height: 2px; background: var(--bfw-deep); border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.search-overlay {
  position: fixed; inset: 0; z-index: 1001; display: flex; align-items: center; justify-content: center;
  background: rgba(10, 46, 102, 0.94); opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.search-overlay.is-open { opacity: 1; visibility: visible; }
.search-overlay .search-form { width: min(560px, 88vw); }
.search-overlay input[type="search"] {
  width: 100%; padding: 16px 22px; font-size: 17px; border: 0; border-radius: var(--bfw-radius);
  font-family: var(--bfw-font);
}
.search-overlay .search-close { position: absolute; top: 26px; right: 30px; background: none; border: 0; color: #fff; font-size: 30px; cursor: pointer; line-height: 1; }

/* Mobile nav */
.mobile-nav { display: none; background: #fff; border-top: 1px solid var(--bfw-border); padding: 12px 24px 22px; max-height: 70vh; overflow: auto; }
.mobile-nav ul { list-style: none; margin: 0; padding: 0; }
.mobile-nav a { display: block; padding: 12px 6px; font-size: 16.5px; font-weight: 600; color: var(--bfw-text); border-bottom: 1px dashed var(--bfw-border); }
.mobile-nav .sub-menu { padding-left: 18px; }

/* =====================================================
   7. Breadcrumb / Page Banner
   ===================================================== */
.page-banner {
  position: relative; background: linear-gradient(120deg, var(--bfw-deep) 0%, var(--bfw-primary) 100%);
  color: #fff; padding: 58px 0 54px; overflow: hidden;
}
.page-banner::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px;
  border: 1px solid rgba(255,255,255,0.14); border-radius: 50%;
  box-shadow: 0 0 0 46px rgba(255,255,255,0.05);
}
.page-banner h1 { color: #fff; margin: 0 0 8px; font-size: clamp(26px, 3.4vw, 40px); }
.page-banner .sub { color: #b8cbe8; font-size: 15px; margin: 0 0 14px; }
.breadcrumb { font-size: 13.5px; color: #b8cbe8; }
.breadcrumb a { color: #b8cbe8; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { margin: 0 8px; opacity: 0.6; }
.breadcrumb .current { color: #fff; font-weight: 600; }

/* =====================================================
   8. Hero Carousel
   ===================================================== */
.hero { position: relative; height: min(78vh, 640px); min-height: 480px; overflow: hidden; background: var(--bfw-deep); }
.hero__track { height: 100%; }
.hero__slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 0.9s ease, visibility 0.9s; }
.hero__slide.is-active { opacity: 1; visibility: visible; }
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8, 28, 62, 0.88) 0%, rgba(10, 46, 102, 0.66) 46%, rgba(12, 86, 192, 0.22) 100%);
}
.hero__inner { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; }
.hero__content { max-width: 680px; color: #fff; }
.hero__tag {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 18px; border: 1px solid rgba(255,255,255,0.35); border-radius: 999px;
  font-size: 13.5px; letter-spacing: 0.16em; margin-bottom: 22px; background: rgba(255,255,255,0.08);
}
.hero__title { color: #fff; font-size: clamp(32px, 4.6vw, 56px); margin-bottom: 18px; }
.hero__sub { color: #cfdef6; font-size: clamp(15px, 1.4vw, 18px); line-height: 1.9; margin-bottom: 34px; max-width: 560px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__dots { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 3; }
.hero__dots button {
  width: 40px; height: 4px; border: 0; border-radius: 4px; cursor: pointer; padding: 0;
  background: rgba(255,255,255,0.36); transition: background 0.3s ease;
}
.hero__dots button.is-active { background: #fff; }
.hero__arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 50px; height: 50px; border-radius: 50%; cursor: pointer;
  border: 1px solid rgba(255,255,255,0.4); background: rgba(255,255,255,0.08); color: #fff;
  font-size: 20px; line-height: 1; display: flex; align-items: center; justify-content: center;
  transition: all 0.25s ease;
}
.hero__arrow:hover { background: #fff; color: var(--bfw-deep); }
.hero__arrow--prev { left: 28px; }
.hero__arrow--next { right: 28px; }
.hero__wave { position: absolute; bottom: -1px; left: 0; width: 100%; z-index: 2; line-height: 0; }
.hero__wave svg { width: 100%; height: 60px; }

/* =====================================================
   9. Quick Columns (三栏信息区)
   ===================================================== */
.quick-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--bfw-gap); }
.qcol {
  background: #fff; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius);
  overflow: hidden; box-shadow: var(--bfw-shadow); transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.qcol:hover { transform: translateY(-6px); box-shadow: var(--bfw-shadow-lg); }
.qcol__media { position: relative; height: 172px; overflow: hidden; }
.qcol__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.qcol:hover .qcol__media img { transform: scale(1.07); }
.qcol__title {
  position: absolute; left: 20px; bottom: 14px; z-index: 2; color: #fff; font-size: 19px; font-weight: 700;
}
.qcol__title small { display: block; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.75; font-weight: 400; }
.qcol__body { padding: 20px 22px 22px; }
.qcol__body ul { list-style: none; margin: 0; padding: 0; }
.qcol__body li { display: flex; align-items: center; justify-content: space-between; padding: 9px 0; border-bottom: 1px dashed var(--bfw-border); font-size: 15px; }
.qcol__body li a { color: var(--bfw-text); font-weight: 500; }
.qcol__body li a:hover { color: var(--bfw-primary); }
.qcol__body li::after { content: "→"; color: var(--bfw-primary); font-weight: 700; }
.qcol__more { margin-top: 14px; display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 700; color: var(--bfw-primary); }
.qcol__more:hover { gap: 10px; }

/* =====================================================
   10. Business Cards (核心业务)
   ===================================================== */
.biz-card {
  position: relative; background: #fff; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius);
  padding: 34px 28px; overflow: hidden; transition: all 0.32s ease; height: 100%;
}
.biz-card::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--bfw-primary), var(--bfw-secondary));
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.biz-card:hover { transform: translateY(-8px); box-shadow: var(--bfw-shadow-lg); border-color: transparent; }
.biz-card:hover::before { transform: scaleX(1); }
.biz-card__icon {
  width: 58px; height: 58px; border-radius: 16px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(12,86,192,0.12), rgba(15,181,201,0.12)); color: var(--bfw-primary);
}
.biz-card h3 { font-size: 20px; margin-bottom: 10px; }
.biz-card p { color: var(--bfw-muted); font-size: 15px; margin: 0; }
.biz-card__num {
  position: absolute; right: 18px; top: 10px; font-size: 52px; font-weight: 800;
  color: rgba(12, 86, 192, 0.06); line-height: 1;
}

/* =====================================================
   11. Stats Band (数据展示)
   ===================================================== */
.stats-band { position: relative; background: linear-gradient(120deg, var(--bfw-deep), #10336f); overflow: hidden; padding: 68px 0; }
.stats-band::before {
  content: ""; position: absolute; inset: 0; opacity: 0.5;
  background-image: radial-gradient(rgba(255,255,255,0.09) 1px, transparent 1px);
  background-size: 26px 26px;
}
.stats-band .bfw-container { position: relative; z-index: 2; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--bfw-gap); text-align: center; }
.stat__num {
  font-size: clamp(40px, 4.6vw, 58px); font-weight: 800; color: #fff; line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.stat__num .suffix { font-size: 0.5em; color: var(--bfw-secondary); margin-left: 2px; }
.stat__label { color: #b8cbe8; font-size: 15px; margin-top: 8px; }
.stat { position: relative; padding: 18px 10px; }
.stat + .stat::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); height: 56px; width: 1px; background: rgba(255,255,255,0.14); }

/* =====================================================
   12. Products
   ===================================================== */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--bfw-gap); }
.product-card {
  background: #fff; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius);
  overflow: hidden; transition: all 0.32s ease; display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--bfw-shadow-lg); }
.product-card__media { position: relative; height: 200px; overflow: hidden; }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.product-card:hover .product-card__media img { transform: scale(1.08); }
.product-card__model {
  position: absolute; left: 14px; top: 14px; z-index: 2; padding: 4px 12px;
  background: rgba(10, 46, 102, 0.85); color: #fff; font-size: 12.5px; font-weight: 700;
  border-radius: 999px; letter-spacing: 0.04em; backdrop-filter: blur(4px);
}
.product-card__body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.product-card__cat { font-size: 12.5px; color: var(--bfw-secondary); font-weight: 700; letter-spacing: 0.08em; margin-bottom: 8px; }
.product-card h3 { font-size: 18.5px; margin-bottom: 8px; }
.product-card h3 a { color: inherit; }
.product-card h3 a:hover { color: var(--bfw-primary); }
.product-card__desc { color: var(--bfw-muted); font-size: 14.5px; flex: 1; }
.product-card__link { margin-top: 16px; display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 700; color: var(--bfw-primary); }
.product-card__link:hover { gap: 10px; }

.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 36px; }
.filter-bar a, .filter-bar button {
  padding: 8px 20px; border-radius: 999px; border: 1px solid var(--bfw-border);
  background: #fff; color: var(--bfw-muted); font-size: 14.5px; font-weight: 600;
  font-family: var(--bfw-font); cursor: pointer; transition: all 0.25s ease;
}
.filter-bar .is-active, .filter-bar a:hover, .filter-bar button:hover {
  background: var(--bfw-primary); border-color: var(--bfw-primary); color: #fff;
}

/* Product detail */
.product-single { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.product-single__media { border-radius: var(--bfw-radius-lg); overflow: hidden; box-shadow: var(--bfw-shadow-lg); }
.product-single__media img { width: 100%; object-fit: cover; }
.product-single h1 { font-size: clamp(24px, 2.6vw, 34px); margin-bottom: 12px; }
.spec-table { width: 100%; margin: 22px 0 26px; }
.spec-table th { width: 132px; background: var(--bfw-bg); }
.feature-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.feature-tags span {
  padding: 6px 14px; border-radius: 999px; font-size: 13.5px; font-weight: 600;
  background: rgba(15, 181, 201, 0.1); color: #0a8fa3;
}

/* =====================================================
   13. Cases & Clients
   ===================================================== */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--bfw-gap); }
.case-card {
  position: relative; border-radius: var(--bfw-radius); overflow: hidden; min-height: 300px;
  display: flex; align-items: flex-end; box-shadow: var(--bfw-shadow); color: #fff;
}
.case-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.case-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,46,102,0) 30%, rgba(8,28,62,0.92) 100%);
}
.case-card:hover img { transform: scale(1.07); }
.case-card__body { position: relative; z-index: 2; padding: 22px; width: 100%; }
.case-card__meta { display: flex; gap: 8px; margin-bottom: 10px; }
.case-card h3 { color: #fff; font-size: 18px; margin-bottom: 6px; }
.case-card p { color: #cfdef6; font-size: 14px; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.clients-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.client-logo {
  display: flex; align-items: center; justify-content: center; height: 78px;
  background: #fff; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius-sm);
  font-size: 16.5px; font-weight: 700; color: #8fa3bd; letter-spacing: 0.05em;
  transition: all 0.3s ease;
}
.client-logo:hover { color: var(--bfw-deep); border-color: var(--bfw-secondary); box-shadow: var(--bfw-shadow); transform: translateY(-3px); }

/* =====================================================
   14. News
   ===================================================== */
.news-layout { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--bfw-gap); }
.news-card { background: #fff; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius); overflow: hidden; transition: all 0.3s ease; }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--bfw-shadow-lg); }
.news-card__media { height: 178px; overflow: hidden; }
.news-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.news-card:hover .news-card__media img { transform: scale(1.07); }
.news-card__body { padding: 18px 20px 22px; }
.news-card__meta { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--bfw-muted); margin-bottom: 10px; }
.news-card__meta .cat { color: var(--bfw-primary); font-weight: 700; }
.news-card h3 { font-size: 17px; line-height: 1.5; margin-bottom: 8px; }
.news-card h3 a { color: inherit; }
.news-card h3 a:hover { color: var(--bfw-primary); }
.news-card p { color: var(--bfw-muted); font-size: 14px; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* =====================================================
   15. FAQ
   ===================================================== */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius); margin-bottom: 14px; overflow: hidden; transition: box-shadow 0.3s ease; }
.faq-item.is-open { box-shadow: var(--bfw-shadow); border-color: rgba(12, 86, 192, 0.35); }
.faq-item__q {
  width: 100%; display: flex; align-items: center; gap: 14px; padding: 18px 22px;
  background: none; border: 0; cursor: pointer; text-align: left;
  font-family: var(--bfw-font); font-size: 16.5px; font-weight: 700; color: var(--bfw-text);
}
.faq-item__q .idx {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 8px; display: flex; align-items: center; justify-content: center;
  background: rgba(12, 86, 192, 0.1); color: var(--bfw-primary); font-size: 13.5px;
}
.faq-item__q .tgl { margin-left: auto; color: var(--bfw-muted); transition: transform 0.3s ease; font-size: 13px; }
.faq-item.is-open .tgl { transform: rotate(180deg); color: var(--bfw-primary); }
.faq-item__a { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-item__a .inner { padding: 0 22px 20px 66px; color: var(--bfw-muted); font-size: 15px; }

/* =====================================================
   16. Contact
   ===================================================== */
.contact-layout { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: start; }
.contact-info-card { background: var(--bfw-bg); border-radius: var(--bfw-radius-lg); padding: 36px 32px; }
.contact-info-card h3 { font-size: 20px; margin-bottom: 20px; }
.contact-line { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px dashed var(--bfw-border); }
.contact-line:last-child { border-bottom: 0; }
.contact-line__icon {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px;
  background: #fff; color: var(--bfw-primary); display: flex; align-items: center; justify-content: center;
  box-shadow: var(--bfw-shadow);
}
.contact-line__label { font-size: 12.5px; color: var(--bfw-muted); letter-spacing: 0.06em; }
.contact-line__value { font-size: 16px; font-weight: 700; color: var(--bfw-text); word-break: break-all; }

.contact-form-card { background: #fff; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius-lg); padding: 36px 32px; box-shadow: var(--bfw-shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 7px; color: var(--bfw-text); }
.form-field label .req { color: #d64545; margin-left: 2px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius-sm);
  font-family: var(--bfw-font); font-size: 15px; color: var(--bfw-text); background: #fff;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--bfw-primary); box-shadow: 0 0 0 3px rgba(12, 86, 192, 0.12);
}
.form-field textarea { min-height: 110px; resize: vertical; }
.form-note { font-size: 12.5px; color: var(--bfw-muted); margin: 10px 0 0; }

/* =====================================================
   17. About
   ===================================================== */
.about-layout { display: grid; grid-template-columns: 1.05fr 1fr; gap: 52px; align-items: center; }
.about-media { position: relative; }
.about-media img { border-radius: var(--bfw-radius-lg); box-shadow: var(--bfw-shadow-lg); }
.about-media__badge {
  position: absolute; left: -22px; bottom: -22px;
  background: var(--bfw-primary); color: #fff; border-radius: var(--bfw-radius);
  padding: 18px 24px; box-shadow: var(--bfw-shadow-lg); text-align: center;
}
.about-media__badge .num { font-size: 34px; font-weight: 800; line-height: 1.1; }
.about-media__badge .txt { font-size: 12.5px; opacity: 0.85; }

.timeline { position: relative; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--bfw-primary), var(--bfw-secondary)); }
.timeline__item { position: relative; padding: 0 0 26px 18px; }
.timeline__item::before {
  content: ""; position: absolute; left: -26px; top: 7px; width: 14px; height: 14px;
  border-radius: 50%; background: #fff; border: 3px solid var(--bfw-primary);
}
.timeline__year { font-size: 15px; font-weight: 800; color: var(--bfw-primary); }
.timeline__item h4 { margin: 2px 0 4px; font-size: 17px; }
.timeline__item p { color: var(--bfw-muted); font-size: 14.5px; margin: 0; }

.cert-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cert-list li {
  display: flex; align-items: center; gap: 10px; padding: 14px 16px;
  background: #fff; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius-sm); font-size: 14.5px;
}
.cert-list li::before { content: "✔"; color: var(--bfw-secondary); font-weight: 700; }

/* =====================================================
   18. Archive / Search / Single
   ===================================================== */
.archive-layout { display: grid; grid-template-columns: 1fr 320px; gap: 44px; align-items: start; }
.post-list { display: grid; gap: 22px; }
.post-row {
  display: grid; grid-template-columns: 240px 1fr; gap: 22px; background: #fff;
  border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius); padding: 18px; transition: all 0.3s ease;
}
.post-row:hover { box-shadow: var(--bfw-shadow-lg); transform: translateY(-4px); }
.post-row__media { border-radius: var(--bfw-radius-sm); overflow: hidden; height: 150px; }
.post-row__media img { width: 100%; height: 100%; object-fit: cover; }
.post-row h2 { font-size: 19px; line-height: 1.5; margin-bottom: 8px; }
.post-row h2 a { color: inherit; }
.post-row h2 a:hover { color: var(--bfw-primary); }
.post-row__excerpt { color: var(--bfw-muted); font-size: 14.5px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.entry-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--bfw-muted); margin-bottom: 12px; }
.entry-meta .cat a { color: var(--bfw-primary); font-weight: 700; }

.single-content { max-width: 800px; margin: 0 auto; font-size: 16.5px; }
.single-content img { border-radius: var(--bfw-radius); margin: 1.2em auto; }
.post-tags { margin: 28px 0; display: flex; flex-wrap: wrap; gap: 8px; }
.post-tags a { padding: 5px 14px; border-radius: 999px; background: var(--bfw-bg); font-size: 13px; color: var(--bfw-muted); }
.post-tags a:hover { background: var(--bfw-primary); color: #fff; }

/* Pagination */
.pagination, .navigation.pagination { margin: 44px 0 0; }
.nav-links { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.page-numbers {
  display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 12px;
  border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius-sm);
  color: var(--bfw-muted); font-size: 14.5px; font-weight: 600;
}
.page-numbers.current { background: var(--bfw-primary); border-color: var(--bfw-primary); color: #fff; }
.page-numbers:hover:not(.current) { border-color: var(--bfw-primary); color: var(--bfw-primary); }

/* Sidebar / Widgets */
.sidebar .widget { background: #fff; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius); padding: 24px; margin-bottom: 22px; }
.widget-title { font-size: 17px; padding-bottom: 12px; margin-bottom: 16px; border-bottom: 2px solid var(--bfw-border); position: relative; }
.widget-title::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 46px; height: 2px; background: var(--bfw-primary); }
.widget ul { list-style: none; margin: 0; padding: 0; }
.widget ul li { padding: 8px 0; border-bottom: 1px dashed var(--bfw-border); font-size: 14.5px; }
.widget ul li a { color: var(--bfw-text); }
.widget ul li a:hover { color: var(--bfw-primary); }

/* Search form */
.search-form { display: flex; }
.search-form .search-field {
  flex: 1; padding: 11px 16px; border: 1px solid var(--bfw-border); border-right: 0;
  border-radius: var(--bfw-radius-sm) 0 0 var(--bfw-radius-sm); font-family: var(--bfw-font); font-size: 15px;
}
.search-form .search-submit {
  padding: 11px 20px; border: 0; background: var(--bfw-primary); color: #fff; cursor: pointer;
  border-radius: 0 var(--bfw-radius-sm) var(--bfw-radius-sm) 0; font-family: var(--bfw-font); font-weight: 700;
}
.search-form .search-submit:hover { background: var(--bfw-primary-dark); }

/* =====================================================
   19. Comments
   ===================================================== */
.comments-area { max-width: 800px; margin: 48px auto 0; }
.comment-list { list-style: none; margin: 0 0 28px; padding: 0; }
.comment-list ol.children { list-style: none; padding-left: 30px; }
.comment-body { padding: 18px 20px; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius); margin-bottom: 14px; }
.comment-meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--bfw-muted); margin-bottom: 8px; }
.comment-author img { border-radius: 50%; margin-right: 8px; vertical-align: middle; }
.comment-author .fn { font-weight: 700; color: var(--bfw-text); font-style: normal; }
.comment-form label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 6px; }
.comment-form input[type="text"], .comment-form input[type="email"], .comment-form input[type="url"], .comment-form textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--bfw-border); border-radius: var(--bfw-radius-sm); font-family: var(--bfw-font); font-size: 15px;
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--bfw-primary); }

/* =====================================================
   20. Footer
   ===================================================== */
.site-footer { background: var(--bfw-deep); color: #b8cbe8; margin-top: 0; }
.site-footer__widgets { padding: 58px 0 40px; display: grid; grid-template-columns: 1.3fr 0.9fr 1fr 0.9fr; gap: 40px; }
.site-footer a { color: #b8cbe8; }
.site-footer a:hover { color: #fff; }
.site-footer h4 { color: #fff; font-size: 16.5px; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.site-footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 2px; background: var(--bfw-secondary); }
.site-footer .widget { margin: 0; padding: 0; border: 0; background: none; }
.site-footer .widget ul { list-style: none; margin: 0; padding: 0; }
.site-footer .widget ul li { padding: 6px 0; font-size: 14.5px; }
.footer-brand .site-branding__text .name { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.9; }
.footer-contact li { display: flex; gap: 10px; padding: 7px 0; font-size: 14px; }
.footer-contact li::before { content: "◈"; color: var(--bfw-secondary); }
.site-footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; }
.site-footer__bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 13px; color: #8fa3bd; }
.site-footer__bottom a { color: #8fa3bd; }
.site-footer__bottom a:hover { color: #fff; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

/* =====================================================
   21. 404
   ===================================================== */
.error-404 { text-align: center; padding: 90px 0 100px; }
.error-404 .code {
  font-size: clamp(96px, 14vw, 170px); font-weight: 800; line-height: 1;
  background: linear-gradient(120deg, var(--bfw-primary), var(--bfw-secondary));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: 0.06em;
}
.error-404 h1 { font-size: 26px; margin: 18px 0 10px; }
.error-404 p { color: var(--bfw-muted); margin-bottom: 30px; }
.error-404 .search-form { max-width: 420px; margin: 0 auto 28px; }
.error-404 .bfw-btn { margin: 0 6px; }

/* =====================================================
   22. Back to top / Preloader
   ===================================================== */
.back-to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 900;
  width: 46px; height: 46px; border-radius: 12px; border: 0; cursor: pointer;
  background: var(--bfw-primary); color: #fff; font-size: 18px;
  box-shadow: var(--bfw-shadow-lg); opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: all 0.3s ease;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--bfw-deep); }

.preloader {
  position: fixed; inset: 0; z-index: 9999; background: var(--bfw-deep);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.preloader.is-done { opacity: 0; visibility: hidden; }
.preloader__bar { width: 180px; height: 3px; border-radius: 4px; background: rgba(255,255,255,0.15); overflow: hidden; }
.preloader__bar i { display: block; height: 100%; width: 40%; border-radius: 4px; background: linear-gradient(90deg, var(--bfw-secondary), #fff); animation: bfw-loading 1.1s ease-in-out infinite; }
.preloader__text { color: #b8cbe8; font-size: 13px; letter-spacing: 0.3em; }
@keyframes bfw-loading { 0% { transform: translateX(-100%);} 100% { transform: translateX(420%);} }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-in { opacity: 1; transform: translateY(0); }

/* =====================================================
   23. Responsive
   ===================================================== */
@media (max-width: 1080px) {
  .site-footer__widgets { grid-template-columns: 1fr 1fr; }
  .archive-layout { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .stat + .stat::before { display: none; }
}
@media (max-width: 900px) {
  .main-nav, .header-actions .header-search-btn { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav { display: none; }
  .mobile-nav.is-open { display: block; }
  .site-header__inner { height: 68px; }
  .quick-cols, .product-grid, .case-grid, .news-layout { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .product-single, .contact-layout, .about-layout { grid-template-columns: 1fr; gap: 28px; }
  .hero { min-height: 420px; height: 74vh; }
  .hero__arrow { display: none; }
  .clients-wall { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .bfw-section { padding: 48px 0; }
  .bfw-container { padding: 0 18px; }
  .quick-cols, .product-grid, .case-grid, .news-layout, .grid--2, .grid--3, .grid--4, .clients-wall, .cert-list, .site-footer__widgets, .form-row { grid-template-columns: 1fr; }
  .post-row { grid-template-columns: 1fr; }
  .post-row__media { height: 180px; }
  .site-topbar__group--extra { display: none; }
  .about-media__badge { left: 12px; bottom: -18px; }
  .hero__cta .bfw-btn { width: 100%; }
  .site-footer__bottom-inner { justify-content: center; text-align: center; }
}