/*
Theme Name: BlueKey Tech
Theme URI: https://example.com/bluekey-tech
Author: Ehab Mohamed
Author URI: https://example.com
Description: قالب ووردبريس عربي تقني احترافي لنشر البرامج والتراخيص القانونية والعروض الرسمية بتصميم أزرق UI/UX متجاوب.
Version: 1.0.5
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: bluekey-tech
Tags: rtl, blog, custom-logo, custom-menu, featured-images, software, arabic
*/

:root {
  --bk-blue: #0b5cff;
  --bk-blue-2: #0048d9;
  --bk-blue-dark: #061a40;
  --bk-cyan: #00c2ff;
  --bk-bg: #f5f8ff;
  --bk-surface: #ffffff;
  --bk-surface-soft: #eef4ff;
  --bk-text: #15233d;
  --bk-muted: #6b7890;
  --bk-border: #dde7f8;
  --bk-success: #18b26b;
  --bk-warning: #ffb020;
  --bk-danger: #ef4444;
  --bk-header: rgba(255,255,255,.92);
  --bk-header-border: rgba(221,231,248,.78);
  --bk-field: #ffffff;
  --bk-shadow: 0 18px 44px rgba(6, 26, 64, .10);
  --bk-card-shadow: 0 10px 24px rgba(6,26,64,.055);
  --bk-hero-panel: rgba(255,255,255,.14);
  --bk-hero-panel-border: rgba(255,255,255,.22);
  --bk-sidebar-featured-bg: linear-gradient(135deg, rgba(255,255,255,.78), rgba(238,244,255,.96));
  --bk-sidebar-featured-text: var(--bk-blue-dark);
  --bk-radius: 20px;
}

html[data-bk-theme="dark"] {
  --bk-bg: #071225;
  --bk-surface: #0d1b33;
  --bk-surface-soft: #10264d;
  --bk-text: #e8eefc;
  --bk-muted: #a9b6cc;
  --bk-border: #21395f;
  --bk-blue-dark: #eaf1ff;
  --bk-header: rgba(8, 18, 36, .92);
  --bk-header-border: rgba(72, 103, 150, .45);
  --bk-field: #0a172d;
  --bk-shadow: 0 18px 44px rgba(0,0,0,.28);
  --bk-card-shadow: 0 10px 24px rgba(0,0,0,.18);
  --bk-hero-panel: rgba(13,27,51,.72);
  --bk-hero-panel-border: rgba(113,150,204,.26);
  --bk-sidebar-featured-bg: linear-gradient(135deg, rgba(13,27,51,.92), rgba(16,38,77,.96));
  --bk-sidebar-featured-text: var(--bk-text);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  direction: rtl;
  font-family: "Cairo", "Tahoma", Arial, sans-serif;
  color: var(--bk-text);
  background: var(--bk-bg);
  font-size: 15px;
  line-height: 1.75;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; }

.bk-container {
  width: min(1200px, calc(100% - 32px));
  margin-inline: auto;
}

.bk-topbar {
  background: #061a40;
  color: rgba(255,255,255,.86);
  font-size: 12px;
}
.bk-topbar-inner {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.bk-topbar-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.bk-topbar a:hover { color: #fff; }

.bk-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bk-header);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--bk-header-border);
}
.bk-header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.bk-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 21px;
  color: var(--bk-blue-dark);
  white-space: nowrap;
}
.bk-logo-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: #fff;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--bk-blue), var(--bk-cyan));
  box-shadow: 0 12px 28px rgba(11,92,255,.25);
}
.bk-logo small {
  display: block;
  color: var(--bk-muted);
  font-size: 10px;
  font-weight: 700;
  margin-top: -4px;
}
.bk-nav { flex: 1; }
.bk-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.bk-menu li { position: relative; }
.bk-menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 13px;
  color: var(--bk-text);
  font-weight: 800;
  font-size: 13px;
}
.bk-menu a:hover,
.bk-menu .current-menu-item > a {
  color: var(--bk-blue);
  background: var(--bk-surface-soft);
}
.bk-actions {
  display: flex;
  align-items: center;
  gap: 9px;
}
.bk-search-toggle,
.bk-theme-toggle,
.bk-menu-toggle {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--bk-border);
  border-radius: 14px;
  background: var(--bk-field);
  color: var(--bk-blue-dark);
  cursor: pointer;
}
.bk-search-toggle {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--bk-blue), var(--bk-cyan));
}
.bk-theme-toggle { color: var(--bk-blue); }
.bk-menu-toggle { display: none; }
.bk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 9px 17px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--bk-blue), var(--bk-blue-2));
  color: #fff;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(11,92,255,.22);
}
.bk-btn:hover { transform: translateY(-1px); }
.bk-btn-light {
  background: var(--bk-field);
  color: var(--bk-blue);
  box-shadow: none;
  border: 1px solid var(--bk-border);
}
.bk-search-panel {
  display: none;
  padding: 0 0 16px;
}
.bk-search-panel.is-open { display: block; }
.bk-search-form {
  display: flex;
  gap: 10px;
  background: var(--bk-field);
  border: 1px solid var(--bk-border);
  border-radius: 18px;
  padding: 8px;
  box-shadow: var(--bk-shadow);
}
.bk-search-form input,
.bk-hero-search input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--bk-text);
  min-width: 0;
}
.bk-search-form input { padding: 10px 14px; }

.bk-main { padding: 32px 0 46px; }
.bk-home-main { padding-top: 24px; }

.bk-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 18% 15%, rgba(0,194,255,.32), transparent 30%),
    radial-gradient(circle at 90% 20%, rgba(11,92,255,.45), transparent 28%),
    linear-gradient(135deg, #061a40 0%, #082c71 58%, #0b5cff 100%);
}
.bk-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 38px 38px;
  opacity: .42;
}
.bk-hero-compact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 22px;
  align-items: stretch;
  padding: 30px;
  border-radius: 30px;
  box-shadow: var(--bk-shadow);
}
.bk-hero-copy,
.bk-feature-slider { position: relative; z-index: 1; }
.bk-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  background: rgba(255,255,255,.10);
  color: rgba(255,255,255,.92);
  font-weight: 800;
  font-size: 12px;
}
.bk-hero h1 {
  max-width: 760px;
  margin: 14px 0 10px;
  font-size: clamp(25px, 3.2vw, 38px);
  line-height: 1.28;
  letter-spacing: -.35px;
}
.bk-hero p {
  max-width: 660px;
  margin: 0 0 18px;
  color: rgba(255,255,255,.82);
  font-size: 14px;
}
.bk-hero-search {
  max-width: 680px;
  background: rgba(255,255,255,.98);
  border-radius: 20px;
  padding: 8px;
  display: flex;
  gap: 9px;
  box-shadow: 0 22px 50px rgba(0,0,0,.22);
}
.bk-hero-search input { padding: 11px 14px; }
.bk-tags {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.bk-tags span,
.bk-tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 11px;
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.92);
  font-size: 12px;
  font-weight: 800;
}
.bk-feature-slider {
  min-height: 100%;
  border-radius: 24px;
  background: var(--bk-hero-panel);
  border: 1px solid var(--bk-hero-panel-border);
  backdrop-filter: blur(14px);
  overflow: hidden;
}
.bk-slide { display: none; height: 100%; }
.bk-slide.is-active { display: flex; flex-direction: column; }
.bk-slide-media {
  min-height: 150px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(255,255,255,.16), rgba(255,255,255,.05));
}
.bk-slide-media img { width: 100%; height: 100%; object-fit: cover; }
.bk-slide-media span { font-size: 58px; color: rgba(255,255,255,.9); }
.bk-slide-body { padding: 16px; }
.bk-slide-label {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 4px 9px;
  border-radius: 999px;
  color: #061a40;
  background: #fff;
  font-size: 11px;
  font-weight: 900;
}
.bk-slide h2 {
  margin: 0 0 7px;
  font-size: 18px;
  line-height: 1.45;
}
.bk-slide p {
  margin: 0;
  font-size: 13px;
}
.bk-slider-dots {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: flex;
  gap: 6px;
  z-index: 2;
}
.bk-slider-dots button {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.45);
  cursor: pointer;
}
.bk-slider-dots button.is-active { width: 22px; border-radius: 999px; background: #fff; }

.bk-section { margin-bottom: 34px; }
.bk-section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 16px;
}
.bk-section-kicker {
  display: inline-flex;
  align-items: center;
  margin-bottom: 6px;
  color: var(--bk-blue);
  font-size: 12px;
  font-weight: 900;
}
.bk-section-title {
  margin: 0;
  font-size: 22px;
  color: var(--bk-blue-dark);
}
.bk-section-desc {
  margin: 5px 0 0;
  color: var(--bk-muted);
  font-size: 14px;
}
.bk-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.bk-home-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 24px;
  align-items: start;
  margin-top: 28px;
}
.bk-home-feed { min-width: 0; }
.bk-software-strip-section {
  padding: 18px;
  border: 1px solid var(--bk-border);
  border-radius: 26px;
  background: linear-gradient(180deg, var(--bk-surface), var(--bk-bg));
  box-shadow: var(--bk-card-shadow);
}
.bk-software-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.bk-software-tile {
  overflow: hidden;
  min-width: 0;
  border: 1px solid var(--bk-border);
  border-radius: 20px;
  background: var(--bk-surface);
  box-shadow: var(--bk-card-shadow);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.bk-software-tile:hover {
  transform: translateY(-3px);
  border-color: rgba(11,92,255,.35);
  box-shadow: var(--bk-shadow);
}
.bk-software-tile-media {
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--bk-surface-soft), var(--bk-surface));
}
.bk-software-tile-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.bk-software-tile-media span {
  color: var(--bk-blue);
  font-size: 34px;
}
.bk-software-tile-body {
  padding: 12px;
}
.bk-software-tile-body h3 {
  margin: 9px 0 3px;
  color: var(--bk-blue-dark);
  font-size: 14px;
  line-height: 1.55;
}
.bk-software-tile-body p {
  margin: 0;
  color: var(--bk-muted);
  font-size: 12px;
  font-weight: 800;
}
.bk-news-head {
  padding-inline-start: 14px;
  border-inline-start: 4px solid var(--bk-danger);
}
.bk-article-list {
  display: grid;
  gap: 12px;
}
.bk-post-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 132px;
  padding: 10px;
  background: var(--bk-surface);
  border: 1px solid var(--bk-border);
  border-radius: 22px;
  box-shadow: var(--bk-card-shadow);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.bk-post-row:hover {
  transform: translateY(-3px);
  border-color: rgba(11,92,255,.35);
  box-shadow: var(--bk-shadow);
}
.bk-post-row-media {
  overflow: hidden;
  display: grid;
  place-items: center;
  min-height: 112px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--bk-surface-soft), var(--bk-surface));
}
.bk-post-row-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.bk-post-row-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
.bk-post-row-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
  color: var(--bk-danger);
  font-size: 12px;
  font-weight: 900;
}
.bk-post-row-meta span + span::before {
  content: "•";
  margin-inline-end: 8px;
  color: var(--bk-muted);
}
.bk-post-row-title {
  margin: 0 0 4px;
  color: var(--bk-blue-dark);
  font-size: 16px;
  line-height: 1.55;
}
.bk-post-row-title a:hover { color: var(--bk-blue); }
.bk-post-row-excerpt {
  margin: 0 0 6px;
  color: var(--bk-muted);
  font-size: 13px;
  line-height: 1.7;
}
.bk-read-link {
  width: max-content;
  color: var(--bk-danger);
  font-size: 13px;
  font-weight: 900;
}
.bk-key-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.bk-key-card {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--bk-border);
  border-radius: 22px;
  background:
    radial-gradient(circle at 4% 0, rgba(0,194,255,.12), transparent 30%),
    var(--bk-surface);
  box-shadow: var(--bk-card-shadow);
}
.bk-key-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--bk-blue), var(--bk-cyan));
  box-shadow: 0 12px 24px rgba(11,92,255,.18);
}
.bk-key-body h3 {
  margin: 7px 0 3px;
  color: var(--bk-blue-dark);
  font-size: 15px;
  line-height: 1.55;
}
.bk-key-body p {
  margin: 0;
  color: var(--bk-muted);
  font-size: 13px;
}
.bk-key-link {
  min-width: 48px;
  min-height: 36px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--bk-border);
  border-radius: 13px;
  color: var(--bk-blue);
  background: var(--bk-field);
  font-size: 13px;
  font-weight: 900;
}
.bk-empty-note {
  padding: 18px;
  background: var(--bk-surface);
  border: 1px solid var(--bk-border);
  border-radius: 18px;
}
.bk-card {
  background: var(--bk-surface);
  border: 1px solid var(--bk-border);
  border-radius: var(--bk-radius);
  box-shadow: var(--bk-card-shadow);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.bk-card:hover {
  transform: translateY(-4px);
  border-color: rgba(11,92,255,.35);
  box-shadow: var(--bk-shadow);
}
.bk-card-media {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--bk-surface-soft), var(--bk-surface));
  display: grid;
  place-items: center;
}
.bk-card-body { padding: 18px; }
.bk-card-title {
  margin: 0 0 8px;
  font-size: 19px;
  line-height: 1.45;
  color: var(--bk-blue-dark);
}
.bk-card-excerpt { color: var(--bk-muted); margin: 0 0 14px; }
.bk-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.bk-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--bk-surface-soft);
  color: var(--bk-blue);
  font-size: 11px;
  font-weight: 900;
}
.bk-badge.success { background: rgba(24,178,107,.13); color: var(--bk-success); }
.bk-badge.warning { background: rgba(255,176,32,.15); color: #b97900; }
.bk-badge.danger { background: rgba(239,68,68,.13); color: var(--bk-danger); }
.bk-badge.dark { background: var(--bk-surface-soft); color: var(--bk-blue-dark); }



.bk-content-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 26px;
}
.bk-article,
.bk-sidebar-box {
  background: var(--bk-surface);
  border: 1px solid var(--bk-border);
  border-radius: 24px;
  box-shadow: var(--bk-card-shadow);
}
.bk-article { padding: 26px; }
.bk-article h1 { margin-top: 0; color: var(--bk-blue-dark); line-height: 1.35; }
.bk-article-content :where(h2,h3) { color: var(--bk-blue-dark); }
.bk-article-content a { color: var(--bk-blue); font-weight: 800; }
.bk-info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--bk-border);
}
.bk-info-table th,
.bk-info-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--bk-border);
  text-align: right;
}
.bk-info-table th {
  width: 34%;
  color: var(--bk-blue-dark);
  background: var(--bk-surface-soft);
}
.bk-download-box {
  margin: 24px 0;
  padding: 20px;
  border-radius: 22px;
  border: 1px solid rgba(11,92,255,.18);
  background: linear-gradient(135deg, var(--bk-surface-soft), var(--bk-surface));
}
.bk-home-sidebar {
  position: sticky;
  top: 100px;
}
.bk-sidebar-box { padding: 19px; margin-bottom: 16px; }
.bk-sidebar-featured {
  color: var(--bk-sidebar-featured-text);
  background:
    radial-gradient(circle at 0 0, rgba(0,194,255,.18), transparent 34%),
    var(--bk-sidebar-featured-bg);
  border-color: rgba(11,92,255,.18);
}
.bk-sidebar-featured .bk-sidebar-title,
.bk-sidebar-featured p { color: var(--bk-sidebar-featured-text); }
.bk-sidebar-featured .bk-sidebar-list li { border-bottom-color: var(--bk-border); }
.bk-sidebar-featured .bk-sidebar-list a { color: var(--bk-text); }
.bk-sidebar-featured .bk-sidebar-list a:hover { color: var(--bk-blue); }
.bk-sidebar-title { margin: 0 0 13px; color: var(--bk-blue-dark); }
.bk-sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.bk-sidebar-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--bk-border);
}
.bk-sidebar-list li:last-child { border-bottom: 0; }
.bk-sidebar-list a { color: var(--bk-text); font-weight: 800; }
.bk-sidebar-list a:hover { color: var(--bk-blue); }

.bk-pagination {
  margin-top: 26px;
  display: flex;
  gap: 8px;
  justify-content: center;
}
.bk-pagination .page-numbers {
  min-width: 40px;
  min-height: 40px;
  display: inline-grid;
  place-items: center;
  padding: 8px 12px;
  border-radius: 14px;
  background: var(--bk-surface);
  border: 1px solid var(--bk-border);
  font-weight: 900;
}
.bk-pagination .current {
  background: var(--bk-blue);
  color: #fff;
  border-color: var(--bk-blue);
}


.bk-footer {
  margin-top: 34px;
  padding: 28px 0 0;
  color: var(--bk-muted);
  background:
    radial-gradient(circle at 10% 0, rgba(0,194,255,.14), transparent 28%),
    linear-gradient(180deg, var(--bk-surface), var(--bk-surface-soft));
  border-top: 1px solid var(--bk-border);
}
.bk-footer-panel {
  display: grid;
  grid-template-columns: minmax(280px, .95fr) minmax(0, 1.6fr);
  gap: 26px;
  padding: 26px;
  border: 1px solid var(--bk-border);
  border-radius: 30px;
  background: rgba(255,255,255,.58);
  box-shadow: var(--bk-card-shadow);
}
html[data-bk-theme="dark"] .bk-footer-panel { background: rgba(13,27,51,.72); }
.bk-footer-brand p {
  margin: 15px 0 18px;
  max-width: 430px;
  font-size: 14px;
}
.bk-footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--bk-blue-dark);
}
.bk-footer-logo-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 17px;
  color: #fff;
  background: linear-gradient(135deg, var(--bk-blue), var(--bk-cyan));
  box-shadow: 0 16px 34px rgba(11,92,255,.22);
  font-size: 22px;
  font-weight: 900;
}
.bk-footer-logo strong {
  display: block;
  font-size: 22px;
  line-height: 1.25;
}
.bk-footer-logo small {
  display: block;
  margin-top: 3px;
  color: var(--bk-muted);
  font-size: 12px;
  font-weight: 800;
}
.bk-footer-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.bk-footer-trust span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid rgba(11,92,255,.18);
  border-radius: 999px;
  color: var(--bk-blue);
  background: var(--bk-surface);
  font-size: 12px;
  font-weight: 900;
}
.bk-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.bk-footer-col {
  padding: 18px;
  border: 1px solid var(--bk-border);
  border-radius: 22px;
  background: var(--bk-surface);
}
.bk-footer h4 {
  position: relative;
  margin: 0 0 14px;
  padding-inline-start: 13px;
  color: var(--bk-blue-dark);
  font-size: 15px;
}
.bk-footer h4::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 7px;
  width: 5px;
  height: 18px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--bk-blue), var(--bk-cyan));
}
.bk-footer ul { list-style: none; padding: 0; margin: 0; }
.bk-footer li + li { margin-top: 9px; }
.bk-footer a {
  color: var(--bk-muted);
  font-size: 13px;
  font-weight: 800;
}
.bk-footer a:hover { color: var(--bk-blue); }
.bk-footer-note {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  color: var(--bk-muted);
  font-size: 12px;
}
.bk-footer-note strong { color: var(--bk-blue-dark); }

@media (max-width: 1080px) {
  .bk-home-layout,
  .bk-content-wrap { grid-template-columns: 1fr; }
  .bk-home-sidebar { position: static; }
  .bk-software-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 980px) {
  .bk-menu-toggle { display: inline-grid; }
  .bk-nav {
    display: none;
    position: absolute;
    top: 76px;
    right: 16px;
    left: 16px;
    background: var(--bk-surface);
    border: 1px solid var(--bk-border);
    border-radius: 22px;
    box-shadow: var(--bk-shadow);
    padding: 10px;
  }
  .bk-nav.is-open { display: block; }
  .bk-menu { display: block; }
  .bk-menu a { padding: 13px 14px; }
  .bk-hero-compact { grid-template-columns: 1fr; }
  .bk-post-row { grid-template-columns: 200px minmax(0, 1fr); }
  .bk-key-list { grid-template-columns: 1fr; }
  .bk-grid { grid-template-columns: repeat(2, 1fr); }
  .bk-footer-panel { grid-template-columns: 1fr; }
  .bk-footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .bk-topbar-inner { justify-content: center; text-align: center; }
  .bk-topbar-links { display: none; }
  .bk-header-inner { min-height: 70px; }
  .bk-nav { top: 70px; }
  .bk-logo { font-size: 18px; }
  .bk-logo-mark { width: 38px; height: 38px; }
  .bk-search-toggle,
  .bk-theme-toggle,
  .bk-menu-toggle { width: 38px; height: 38px; }
  .bk-hero-compact { padding: 22px; border-radius: 24px; }
  .bk-hero h1 { font-size: 25px; }
  .bk-hero-search,
  .bk-search-form { flex-direction: column; }
  .bk-grid,
  .bk-software-strip,
  .bk-footer-grid { grid-template-columns: 1fr; }
  .bk-footer-panel { padding: 20px; }
  .bk-footer-note { flex-direction: column; }
  .bk-post-row { grid-template-columns: 1fr; }
  .bk-post-row-media { aspect-ratio: 16 / 8.5; }
  .bk-section-head { align-items: start; flex-direction: column; }
  .bk-article { padding: 20px; }
}

.bk-card-placeholder {
  font-size: 52px;
  color: var(--bk-blue);
}
.bk-page-hero {
  position: relative;
  overflow: hidden;
  padding: 44px 0;
  color: #fff;
  background:
    radial-gradient(circle at 18% 15%, rgba(0,194,255,.30), transparent 30%),
    linear-gradient(135deg, #061a40 0%, #0b5cff 100%);
}
.bk-page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 38px 38px;
  opacity: .38;
}
.bk-page-hero .bk-container { position: relative; z-index: 1; }
.bk-page-hero h1 {
  margin: 13px 0 8px;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.25;
}
.bk-page-hero p {
  max-width: 680px;
  margin: 0;
  color: rgba(255,255,255,.82);
}

.bk-featured-image {
  margin: 18px 0;
  overflow: hidden;
  border-radius: 24px;
}
.bk-featured-image img {
  width: 100%;
}
.bk-download-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}