/*
Theme Name:        Musamu
Theme URI:         https://musamu.com
Author:            Musamu Team
Author URI:        https://musamu.com
Description:       Professional blog theme for Cloud Computing, Artificial Intelligence and Python. Features light/dark mode, full AdSense integration, responsive layout, Chart.js support, and rich article content blocks including tables, figures, callouts, and metrics grids.
Version:           2.0.0
Requires at least: 6.2
Tested up to:      6.7
Requires PHP:      8.0
License:           GNU General Public License v2 or later
License URI:       https://www.gnu.org/licenses/gpl-2.0.html
Text Domain:       musamu
Tags:              blog, two-columns, right-sidebar, custom-menu, featured-images, custom-logo, dark-mode, translation-ready
*/

/* ═══════════════════════════════════════════════════════════
   MUSAMU — Professional Blue Theme
   Light mode default · Dark mode via [data-theme="dark"]
   ═══════════════════════════════════════════════════════════ */

/* ── LIGHT MODE TOKENS ── */
:root {
  --blue-950:   #03142e;
  --blue-900:   #0a1f44;
  --blue-800:   #0f3272;
  --blue-700:   #1447a6;
  --blue-600:   #1a5dcc;
  --blue-500:   #2272f0;
  --blue-400:   #4d90f5;
  --blue-300:   #7db3f8;
  --blue-200:   #b8d6fc;
  --blue-100:   #deeafd;
  --blue-50:    #f0f6ff;
  --azure:       #0ea5e9;
  --azure-light: #38bdf8;
  --azure-dark:  #0284c7;
  --cloud-color: #2272f0;
  --ai-color:    #7c3aed;
  --py-color:    #059669;
  --bg:          #f8faff;
  --bg-2:        #ffffff;
  --bg-3:        #f0f5fe;
  --bg-4:        #e4eefb;
  --border:      #d0e2f7;
  --border-2:    #b8d0f0;
  --text-primary:   #0a1525;
  --text-secondary: #1e3a5f;
  --text-muted:     #4a6fa5;
  --text-faint:     #7898c5;
  --shadow-sm:  0 1px 4px rgba(14,42,100,.08),0 1px 2px rgba(14,42,100,.05);
  --shadow:     0 4px 16px rgba(14,42,100,.10),0 2px 6px rgba(14,42,100,.06);
  --shadow-lg:  0 12px 40px rgba(14,42,100,.14),0 4px 12px rgba(14,42,100,.08);
  --shadow-blue:0 4px 20px rgba(34,114,240,.25);
  --font-display:'Plus Jakarta Sans',system-ui,sans-serif;
  --font-body:   'Plus Jakarta Sans',system-ui,sans-serif;
  --font-serif:  'Source Serif 4',Georgia,serif;
  --font-mono:   'JetBrains Mono','Fira Code',monospace;
  --r-sm:6px; --r:12px; --r-lg:18px; --r-xl:24px;
  --transition:all .2s cubic-bezier(.4,0,.2,1);
  --transition-slow:all .35s cubic-bezier(.4,0,.2,1);
}

/* ── DARK MODE TOKENS ── */
[data-theme="dark"] {
  --bg:         #06111f; --bg-2:#0a1c30; --bg-3:#0f2540; --bg-4:#153050;
  --border:     #1e3d5c; --border-2:#2a4f72;
  --text-primary:#e8f1fc; --text-secondary:#b8d0f0;
  --text-muted:  #7098c0; --text-faint:#4a6f9a;
  --shadow-sm:  0 1px 4px rgba(0,0,0,.3);
  --shadow:     0 4px 16px rgba(0,0,0,.4);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.5);
  --shadow-blue:0 4px 20px rgba(34,114,240,.3);
  --blue-50:#0a1c30; --blue-100:#0f2540; --blue-200:#153358;
}

/* ── RESET ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text-primary);font-family:var(--font-body);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;transition:background .3s ease,color .3s ease}
a{color:var(--blue-600);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--blue-500)}
[data-theme="dark"] a{color:var(--blue-400)}
[data-theme="dark"] a:hover{color:var(--blue-300)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5,h6{font-family:var(--font-display);line-height:1.25;color:var(--text-primary);font-weight:700}
ul,ol{padding-left:1.4em}

/* ── LAYOUT ── */
.container      {max-width:1200px;margin:0 auto;padding:0 24px}
.container-wide {max-width:1400px;margin:0 auto;padding:0 24px}
.section        {padding:72px 0}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:var(--r-sm);font-family:var(--font-body);font-size:.88rem;font-weight:600;cursor:pointer;border:none;transition:var(--transition);text-decoration:none;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--blue-600),var(--blue-500));color:#fff;box-shadow:var(--shadow-blue)}
.btn-primary:hover{background:linear-gradient(135deg,var(--blue-700),var(--blue-600));transform:translateY(-1px);color:#fff}
.btn-ghost{background:transparent;border:1.5px solid var(--blue-500);color:var(--blue-600)}
.btn-ghost:hover{background:var(--blue-500);color:#fff;transform:translateY(-1px)}
[data-theme="dark"] .btn-ghost{border-color:var(--blue-400);color:var(--blue-300)}
[data-theme="dark"] .btn-ghost:hover{background:var(--blue-600);color:#fff;border-color:var(--blue-600)}
.btn-outline{background:transparent;border:1.5px solid var(--border-2);color:var(--text-secondary)}
.btn-outline:hover{border-color:var(--blue-400);color:var(--blue-600)}
.btn-sm{padding:7px 16px;font-size:.82rem}

/* ═══════ AD ZONES ═══════ */
.ad-strip{text-align:center;padding:10px 0;background:var(--bg-3);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.ad-top{position:sticky;top:0;z-index:999;background:var(--bg-2)}
.ad-label{font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);margin-bottom:6px;font-family:var(--font-mono)}
.ad-placeholder{display:inline-flex;align-items:center;justify-content:center;background:var(--bg-3);border:1.5px dashed var(--border-2);color:var(--text-faint);font-size:.78rem;border-radius:var(--r-sm);font-family:var(--font-mono)}
.ad-leaderboard .ad-placeholder,.ad-leaderboard ins.adsbygoogle{width:728px;height:90px;max-width:100%}
.sidebar-ad{margin-bottom:28px;text-align:center}
.sticky-ad{position:sticky;top:100px}
.ad-infeed{margin:36px auto;max-width:400px;text-align:center}

/* ═══════ HEADER ═══════ */
.site-header{background:var(--bg-2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:200;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transition:background .3s,border-color .3s}
.header-inner{display:flex;align-items:center;gap:28px;height:66px}
.brand{display:flex;flex-direction:column;gap:1px;flex-shrink:0}
.logo-link{display:flex;align-items:center;gap:9px;color:var(--text-primary);font-size:1.25rem;font-weight:800;letter-spacing:-.03em}
.logo-link:hover{color:var(--blue-600)}
.logo-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1rem;color:#fff;flex-shrink:0;font-style:normal;background:linear-gradient(135deg,var(--blue-600),var(--azure));box-shadow:var(--shadow-blue)}
.custom-logo{width:32px;height:32px;border-radius:8px;object-fit:cover}
.logo-dot{color:var(--blue-500)}
.tagline{font-size:.65rem;color:var(--text-faint);letter-spacing:.14em;text-transform:uppercase;padding-left:2px}
/* Primary nav */
.main-nav{flex:1}
.main-nav ul{display:flex;gap:2px;list-style:none;align-items:center;margin:0;padding:0}
.main-nav li a{padding:7px 13px;border-radius:var(--r-sm);color:var(--text-muted);font-size:.875rem;font-weight:500;white-space:nowrap;transition:var(--transition);display:block}
.main-nav li a:hover,.main-nav li.current-menu-item>a,.main-nav li.current_page_item>a{color:var(--text-primary);background:var(--bg-3)}
.main-nav li.current-menu-item>a{color:var(--blue-600);background:var(--blue-50);font-weight:600}
[data-theme="dark"] .main-nav li.current-menu-item>a{color:var(--blue-300);background:var(--bg-3)}
/* Dropdown */
.main-nav li.menu-item-has-children{position:relative}
.main-nav li.menu-item-has-children>.sub-menu{display:none;position:absolute;top:calc(100% + 8px);left:0;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r);min-width:210px;padding:6px;z-index:300;box-shadow:var(--shadow-lg);list-style:none;animation:dropIn .15s ease}
@keyframes dropIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.main-nav li.menu-item-has-children:hover>.sub-menu{display:block}
.main-nav .sub-menu li a{display:block;padding:8px 12px;border-radius:var(--r-sm);font-size:.84rem;color:var(--text-secondary)}
.main-nav .sub-menu li a:hover{background:var(--bg-3);color:var(--blue-600)}
/* Header actions */
.header-actions{display:flex;gap:6px;align-items:center;margin-left:auto}
.theme-toggle{background:var(--bg-3);border:1px solid var(--border);color:var(--text-muted);padding:6px 12px;border-radius:var(--r-sm);cursor:pointer;font-size:.78rem;font-weight:600;transition:var(--transition);display:flex;align-items:center;gap:5px;font-family:var(--font-body)}
.theme-toggle:hover{border-color:var(--blue-400);color:var(--blue-600);background:var(--blue-50)}
.icon-sun{display:block} .icon-moon{display:none}
[data-theme="dark"] .icon-sun{display:none} [data-theme="dark"] .icon-moon{display:block}
.search-btn{background:var(--bg-3);border:1px solid var(--border);cursor:pointer;color:var(--text-muted);padding:7px 10px;border-radius:var(--r-sm);transition:var(--transition);display:flex;align-items:center}
.search-btn:hover{border-color:var(--blue-400);color:var(--blue-600);background:var(--blue-50)}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:var(--bg-3);border:1px solid var(--border);cursor:pointer;padding:10px;border-radius:var(--r-sm)}
.menu-toggle span{width:20px;height:2px;background:var(--text-muted);border-radius:2px;transition:.3s;display:block}
/* Search bar */
.search-bar{display:none;background:var(--bg-3);border-bottom:1px solid var(--border);padding:10px 0}
.search-bar.open{display:block}
.search-bar .container{display:flex;gap:10px;align-items:center}
.search-bar input[type="search"],.search-bar .search-field{flex:1;background:var(--bg-2);border:1.5px solid var(--border-2);border-radius:var(--r-sm);padding:9px 14px;color:var(--text-primary);font-size:.9rem;font-family:var(--font-body);transition:var(--transition)}
.search-bar input[type="search"]:focus,.search-bar .search-field:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(34,114,240,.12)}
.search-close{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:1.1rem;padding:4px 8px}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* ═══════ HERO ═══════ */
.hero{background:linear-gradient(160deg,var(--blue-900) 0%,var(--blue-800) 40%,#0f2a5c 100%);padding:80px 0 72px;overflow:hidden;position:relative}
.hero::before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 55% 70% at 75% 50%,rgba(14,165,233,.15) 0%,transparent 65%),radial-gradient(ellipse 30% 40% at 10% 80%,rgba(34,114,240,.12) 0%,transparent 60%)}
.hero::after{content:'';position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:48px 48px}
.hero-inner{display:grid;grid-template-columns:1fr auto;gap:60px;align-items:center;position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(56,189,248,.15);border:1px solid rgba(56,189,248,.3);color:var(--azure-light);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;padding:5px 14px;border-radius:100px;margin-bottom:20px}
.hero-badge::before{content:'●';font-size:.5rem;animation:blink 2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.4}}
.hero-text h1{font-size:clamp(2rem,4vw,3.2rem);color:#fff;line-height:1.12;margin-bottom:18px;letter-spacing:-.02em}
.hero-text h1 em{color:var(--azure-light);font-style:normal}
.hero-text p{font-size:1.05rem;color:rgba(255,255,255,.7);max-width:500px;margin-bottom:32px;line-height:1.7}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px}
.hero-cta .btn-primary{background:linear-gradient(135deg,var(--azure-dark),var(--blue-500))}
.hero-cta .btn-ghost{border-color:rgba(255,255,255,.35);color:rgba(255,255,255,.85)}
.hero-cta .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-stats{display:flex;gap:36px}
.stat strong{display:block;font-size:1.6rem;font-weight:800;color:#fff;line-height:1}
.stat span{font-size:.72rem;color:rgba(255,255,255,.5);text-transform:uppercase;letter-spacing:.1em}
/* Hex grid animation */
.hex-grid{position:relative;width:320px;height:300px;flex-shrink:0}
.hex{position:absolute;width:82px;height:82px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;animation:floatHex 6s ease-in-out infinite;backdrop-filter:blur(4px);transition:border-color .3s}
.hex:hover{border-color:rgba(56,189,248,.5);background:rgba(56,189,248,.1)}
.hex-1{top:0;left:120px;animation-delay:0s}.hex-2{top:36px;left:20px;animation-delay:.9s}.hex-3{top:36px;left:220px;animation-delay:1.8s}
.hex-4{top:126px;left:0;animation-delay:2.7s}.hex-5{top:126px;left:120px;animation-delay:.3s}.hex-6{top:126px;left:240px;animation-delay:1.5s}.hex-7{top:216px;left:60px;animation-delay:2.1s}
@keyframes floatHex{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ═══════ SECTION HEADERS ═══════ */
.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}
.section-header h2{font-size:1.6rem}
.see-all{font-size:.85rem;color:var(--blue-600);font-weight:600}
.see-all:hover{color:var(--blue-500)}
.section-title-center{text-align:center;font-size:1.9rem;margin-bottom:40px}

/* ═══════ CARDS ═══════ */
.card{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;transition:var(--transition-slow);box-shadow:var(--shadow-sm)}
.card:hover{transform:translateY(-3px);border-color:var(--blue-300);box-shadow:var(--shadow),0 0 0 1px var(--blue-200)}
[data-theme="dark"] .card:hover{border-color:var(--border-2);box-shadow:var(--shadow)}
.card-img-wrap{position:relative}
.card-img-placeholder{width:100%;display:flex;align-items:center;justify-content:center;font-size:2.8rem;border-bottom:1px solid var(--border);overflow:hidden}
.card-img-placeholder img,.card img.wp-post-image{width:100%;height:100%;object-fit:cover;display:block}
.card-featured .card-img-placeholder,.card-featured .post-thumbnail{height:240px}
.card-medium .card-img-placeholder,.card-medium .post-thumbnail{height:150px}
.card-small .card-img-placeholder,.card-small .post-thumbnail{height:120px}
.cloud-bg{background:linear-gradient(135deg,#0f3272 0%,#1a5dcc 60%,#1e6bdd 100%)}
.ai-bg{background:linear-gradient(135deg,#2e1065 0%,#5b21b6 60%,#6d28d9 100%)}
.python-bg{background:linear-gradient(135deg,#064e3b 0%,#065f46 60%,#047857 100%)}
.post-thumbnail-placeholder{width:100%;height:240px;display:flex;align-items:center;justify-content:center;font-size:4rem;margin-bottom:0}
.cat-badge,.article-cat-badge{position:absolute;bottom:10px;left:12px;padding:3px 10px;border-radius:100px;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.article-cat-badge{position:static;display:inline-block}
.cat-badge.cloud,.article-cat-badge.cloud{background:rgba(34,114,240,.18);color:#60a5fa;border:1px solid rgba(34,114,240,.3)}
.cat-badge.ai,.article-cat-badge.ai{background:rgba(139,92,246,.18);color:#a78bfa;border:1px solid rgba(139,92,246,.3)}
.cat-badge.python,.article-cat-badge.python{background:rgba(5,150,105,.18);color:#34d399;border:1px solid rgba(5,150,105,.3)}
.cat-icon{position:relative;z-index:1;filter:drop-shadow(0 2px 8px rgba(0,0,0,.3))}
.card-body{padding:20px}
.meta{font-size:.76rem;color:var(--text-faint);margin-bottom:10px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.read-time{color:var(--blue-500);font-weight:600}
.card-body h2,.card-body h3{color:var(--text-primary);margin-bottom:10px;line-height:1.4}
.card-body h2{font-size:1.25rem}
.card-body h3{font-size:1rem}
.card-body p{font-size:.86rem;color:var(--text-muted);line-height:1.65;margin-bottom:14px}
.read-more{font-size:.82rem;font-weight:600;color:var(--blue-600);display:inline-flex;align-items:center;gap:4px;text-decoration:none}
.read-more:hover{gap:7px;color:var(--blue-500)}
[data-theme="dark"] .read-more{color:var(--blue-400)}

/* Grid layouts */
.featured-grid{display:grid;gap:20px;grid-template-columns:1.6fr 1fr 1fr}
.card-featured{grid-row:span 2}
.posts-grid{display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}

/* ═══════ FILTER TABS ═══════ */
.filter-tabs{display:flex;gap:6px;flex-wrap:wrap}
.tab{background:var(--bg-3);border:1px solid var(--border);color:var(--text-muted);padding:6px 15px;border-radius:100px;font-size:.82rem;font-weight:600;cursor:pointer;transition:var(--transition);font-family:var(--font-body)}
.tab:hover{border-color:var(--blue-400);color:var(--blue-600);background:var(--blue-50)}
.tab.active{background:var(--blue-600);border-color:var(--blue-600);color:#fff;box-shadow:var(--shadow-blue)}
[data-theme="dark"] .tab.active{background:var(--blue-700);border-color:var(--blue-700)}

/* ═══════ POSTS LAYOUT ═══════ */
.posts-layout{display:grid;grid-template-columns:1fr 308px;gap:36px;align-items:start}
.posts-main{min-width:0}
.pagination,.wp-pagenavi{text-align:center;margin-top:36px}
.page-numbers{display:inline-flex;gap:6px;flex-wrap:wrap;justify-content:center}
.page-numbers a,.page-numbers span{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--r-sm);font-size:.85rem;font-weight:600;border:1px solid var(--border);color:var(--text-muted);background:var(--bg-2);transition:var(--transition)}
.page-numbers a:hover{border-color:var(--blue-400);color:var(--blue-600);background:var(--blue-50)}
.page-numbers .current{background:var(--blue-600);border-color:var(--blue-600);color:#fff}
.page-numbers .dots{border:none;background:none;width:auto;padding:0 4px}

/* ═══════ SIDEBAR ═══════ */
.sidebar{min-width:0}
.widget{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r);padding:20px;margin-bottom:20px;box-shadow:var(--shadow-sm)}
.widget-title,.widgettitle{font-size:.72rem;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--border);color:var(--text-faint);font-family:var(--font-body);font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.widget ul{list-style:none;padding:0;margin:0}
.widget ul li{margin-bottom:2px}
.widget ul li a{display:flex;justify-content:space-between;align-items:center;padding:7px 10px;border-radius:var(--r-sm);color:var(--text-secondary);font-size:.86rem;transition:var(--transition)}
.widget ul li a:hover{background:var(--bg-3);color:var(--blue-600)}
.widget ul li a em{color:var(--text-faint);font-style:normal;font-size:.78rem}
.cat-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:8px;flex-shrink:0}
.cloud-dot{background:var(--cloud-color)}.ai-dot{background:var(--ai-color)}.python-dot{background:var(--py-color)}
.popular-posts{display:flex;flex-direction:column;gap:14px}
.popular-post{display:flex;gap:12px;align-items:flex-start}
.pop-num{font-size:1.3rem;font-weight:800;color:var(--border-2);font-family:var(--font-display);flex-shrink:0;line-height:1;margin-top:2px}
.pop-title{font-size:.82rem;color:var(--text-secondary);line-height:1.45;font-weight:500;display:block}
.pop-title:hover{color:var(--blue-600)}
.pop-meta{font-size:.72rem;color:var(--text-faint);margin-top:2px}
.newsletter-widget p{font-size:.85rem;color:var(--text-muted);margin-bottom:10px}
.newsletter-form{display:flex;flex-direction:column;gap:8px}
.newsletter-form input[type="email"]{background:var(--bg-3);border:1.5px solid var(--border);color:var(--text-primary);padding:9px 14px;border-radius:var(--r-sm);font-family:var(--font-body);font-size:.86rem;transition:var(--transition);width:100%}
.newsletter-form input[type="email"]:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(34,114,240,.1)}
.tags-cloud{display:flex;flex-wrap:wrap;gap:7px}
.tag,.tagcloud a{background:var(--bg-3);border:1px solid var(--border);color:var(--text-muted);padding:4px 11px;border-radius:100px;font-size:.76rem !important;font-weight:500;transition:var(--transition);display:inline-block;margin:2px}
.tag:hover,.tagcloud a:hover{background:var(--blue-600);border-color:var(--blue-600);color:#fff !important}

/* ═══════ CATEGORY HEADER ═══════ */
.category-header{background:linear-gradient(160deg,var(--blue-900),var(--blue-800));border-bottom:1px solid var(--border);padding:48px 0}
.category-header .container{display:flex;align-items:flex-start;gap:24px}
.cat-hero-icon{font-size:2.5rem;width:76px;height:76px;border-radius:var(--r);display:flex;align-items:center;justify-content:center;flex-shrink:0;border:1px solid rgba(255,255,255,.15)}
.category-header h1{font-size:2rem;color:#fff;margin-bottom:6px}
.category-header p,.archive-description{font-size:.92rem;color:rgba(255,255,255,.65);max-width:580px}

/* ═══════ BREADCRUMB ═══════ */
.breadcrumb-bar{background:var(--bg-3);border-bottom:1px solid var(--border);padding:10px 0}
.breadcrumb{font-size:.8rem;color:var(--text-faint)}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--blue-600)}
.breadcrumb span{color:var(--text-primary);font-weight:500}

/* ═══════ ARTICLE LAYOUT ═══════ */
.article-layout{display:grid;grid-template-columns:1fr 308px;gap:48px;align-items:start;padding:48px 0 80px}
.article-main{min-width:0}
.article-header{margin-bottom:32px}
.article-cats{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.article-title{font-size:clamp(1.7rem,3vw,2.4rem);line-height:1.2;margin-bottom:14px;letter-spacing:-.02em}
.article-meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--text-faint);font-size:.82rem;align-items:center;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.article-meta span{display:flex;align-items:center;gap:5px}
.article-featured-img,.post-thumbnail img{width:100%;border-radius:var(--r-lg);margin-bottom:32px;border:1px solid var(--border);box-shadow:var(--shadow);max-height:420px;object-fit:cover;display:block}
.post-thumbnail{margin-bottom:32px}
.post-thumbnail-placeholder{border-radius:var(--r-lg);margin-bottom:32px;border:1px solid var(--border);font-size:5rem}

/* ── TOC ── */
.toc{background:var(--blue-50);border:1px solid var(--blue-200);border-left:3px solid var(--blue-500);border-radius:0 var(--r) var(--r) 0;padding:18px 22px;margin-bottom:32px}
[data-theme="dark"] .toc{background:var(--bg-3);border-color:var(--border);border-left-color:var(--blue-500)}
.toc h4{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--blue-600);margin-bottom:10px;font-family:var(--font-body);font-weight:700}
[data-theme="dark"] .toc h4{color:var(--blue-400)}
.toc ol{padding-left:18px}
.toc li{margin-bottom:5px}
.toc a{font-size:.86rem;color:var(--text-secondary)}
.toc a:hover{color:var(--blue-600)}

/* ── ARTICLE BODY / ENTRY CONTENT ── */
.entry-content,.article-body{font-family:var(--font-serif);font-size:1.05rem;max-width:760px}
.entry-content p,.article-body p{color:var(--text-secondary);line-height:1.9;margin-bottom:22px}
.entry-content h2,.article-body h2{font-family:var(--font-display);font-size:1.5rem;margin:42px 0 16px;padding-bottom:10px;border-bottom:2px solid var(--border);color:var(--text-primary);letter-spacing:-.01em}
.entry-content h3,.article-body h3{font-family:var(--font-display);font-size:1.18rem;margin:30px 0 12px;color:var(--blue-700);font-weight:600}
[data-theme="dark"] .entry-content h3,[data-theme="dark"] .article-body h3{color:var(--blue-300)}
.entry-content h4,.article-body h4{font-family:var(--font-display);font-size:1rem;margin:24px 0 10px;color:var(--text-primary);font-weight:700}
.entry-content ul,.entry-content ol,.article-body ul,.article-body ol{color:var(--text-secondary);line-height:1.85;margin-bottom:22px;padding-left:26px}
.entry-content li,.article-body li{margin-bottom:6px}
.entry-content strong,.article-body strong{color:var(--text-primary);font-weight:700}
.entry-content a,.article-body a{color:var(--blue-600);text-decoration:underline;text-decoration-color:var(--blue-200);text-underline-offset:3px}
.entry-content a:hover,.article-body a:hover{text-decoration-color:var(--blue-500)}
.entry-content blockquote,.article-body blockquote,.wp-block-quote{border-left:3px solid var(--blue-500);background:var(--blue-50);padding:16px 22px;border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-secondary);font-style:italic;margin-bottom:24px}
[data-theme="dark"] .entry-content blockquote,[data-theme="dark"] .article-body blockquote,[data-theme="dark"] .wp-block-quote{background:var(--bg-3)}
.entry-content code,.article-body code{font-family:var(--font-mono);font-size:.83rem;background:var(--bg-3);border:1px solid var(--border);border-radius:4px;padding:2px 6px;color:var(--blue-700);font-style:normal}
[data-theme="dark"] .entry-content code,[data-theme="dark"] .article-body code{color:var(--azure-light)}
.entry-content pre,.article-body pre,.wp-block-code{background:var(--blue-950);border:1px solid var(--blue-900);border-radius:var(--r);padding:22px 24px;overflow-x:auto;margin-bottom:26px;box-shadow:var(--shadow)}
.entry-content pre code,.article-body pre code,.wp-block-code code{background:none;border:none;padding:0;color:#e2e8f0;font-size:.86rem;line-height:1.7}

/* ── TABLES ── */
.entry-content table,.article-body table,.data-table{width:100%;border-collapse:collapse;margin-bottom:28px;font-size:.9rem;font-family:var(--font-body);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border)}
.entry-content thead th,.article-body thead th,.data-table thead th{background:linear-gradient(135deg,var(--blue-700),var(--blue-600));color:#fff;padding:12px 16px;text-align:left;font-weight:600;font-size:.82rem}
.entry-content tbody tr,.article-body tbody tr,.data-table tbody tr{border-bottom:1px solid var(--border);transition:background .15s}
.entry-content tbody tr:last-child,.article-body tbody tr:last-child{border-bottom:none}
.entry-content tbody tr:hover,.article-body tbody tr:hover{background:var(--bg-3)}
.entry-content tbody td,.article-body tbody td,.data-table tbody td{padding:11px 16px;color:var(--text-secondary);vertical-align:top}
.table-responsive{overflow-x:auto;margin-bottom:28px;border-radius:var(--r);border:1px solid var(--border)}
.table-responsive table{margin-bottom:0;border:none;box-shadow:none;border-radius:0}
.table-caption{text-align:center;font-size:.8rem;color:var(--text-faint);margin-top:-20px;margin-bottom:28px;font-style:italic;font-family:var(--font-body)}
.table-striped tbody tr:nth-child(even){background:var(--bg-3)}

/* ── FIGURES ── */
.figure{margin:32px 0;border-radius:var(--r);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow)}
.figure img,.wp-block-image img{width:100%;display:block;border-bottom:1px solid var(--border);border-radius:var(--r)}
.figure-caption,.wp-block-image figcaption{background:var(--bg-3);padding:10px 16px;font-size:.8rem;color:var(--text-muted);font-style:italic;font-family:var(--font-body);display:flex;align-items:center;gap:8px}
.figure-caption::before{content:'Figure';background:var(--blue-600);color:#fff;font-size:.68rem;font-weight:700;padding:2px 8px;border-radius:100px;text-transform:uppercase;letter-spacing:.07em;font-style:normal;flex-shrink:0}
.figure-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:32px 0}
.figure-grid .figure{margin:0}

/* ── CHARTS ── */
.chart-container{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;margin-bottom:28px;box-shadow:var(--shadow-sm)}
.chart-header{margin-bottom:16px}
.chart-title{font-family:var(--font-display);font-size:.95rem;font-weight:700;color:var(--text-primary);margin-bottom:3px}
.chart-subtitle{font-size:.78rem;color:var(--text-muted)}
.chart-wrapper{position:relative;width:100%;min-height:220px}
.chart-wrapper canvas{max-width:100%}
.chart-footer{font-size:.75rem;color:var(--text-faint);margin-top:12px;padding-top:10px;border-top:1px solid var(--border);font-style:italic;font-family:var(--font-body)}
.charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:28px}

/* ── CALLOUT BOXES ── */
.callout{padding:16px 20px;border-radius:var(--r);margin-bottom:26px;display:flex;gap:14px;align-items:flex-start;font-family:var(--font-body);font-size:.9rem}
.callout-icon{font-size:1.2rem;flex-shrink:0;margin-top:2px}
.callout-body h4{font-size:.88rem;font-weight:700;margin-bottom:4px;color:inherit}
.callout-body p{margin:0;font-size:.86rem;line-height:1.6}
.callout-info{background:var(--blue-50);border:1px solid var(--blue-200);color:var(--blue-900)}
.callout-tip{background:#f0fdf4;border:1px solid #bbf7d0;color:#14532d}
.callout-warning{background:#fffbeb;border:1px solid #fde68a;color:#78350f}
.callout-danger{background:#fef2f2;border:1px solid #fecaca;color:#7f1d1d}
[data-theme="dark"] .callout-info{background:var(--bg-3);border-color:var(--border);color:var(--blue-200)}
[data-theme="dark"] .callout-tip{background:var(--bg-3);border-color:#064e3b;color:#a7f3d0}
[data-theme="dark"] .callout-warning{background:var(--bg-3);border-color:#92400e;color:#fde68a}
[data-theme="dark"] .callout-danger{background:var(--bg-3);border-color:#7f1d1d;color:#fca5a5}

/* ── METRICS GRID ── */
.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin-bottom:28px}
.metric-card{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r);padding:18px 20px;text-align:center;box-shadow:var(--shadow-sm);transition:var(--transition)}
.metric-card:hover{border-color:var(--blue-300);box-shadow:var(--shadow)}
.metric-value{font-size:1.8rem;font-weight:800;font-family:var(--font-display);color:var(--blue-600);line-height:1;margin-bottom:4px}
[data-theme="dark"] .metric-value{color:var(--blue-400)}
.metric-label{font-size:.73rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;font-weight:600}
.metric-change{font-size:.75rem;margin-top:4px;font-weight:600}
.metric-change.up{color:#059669}.metric-change.down{color:#dc2626}

/* ── IN-ARTICLE AD ── */
.article-ad{margin:32px 0;text-align:center}

/* ── AUTHOR BOX ── */
.author-box{background:var(--bg-3);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;margin-top:48px;display:flex;gap:18px;align-items:flex-start;box-shadow:var(--shadow-sm)}
.author-avatar{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--blue-600),var(--azure));border:2px solid var(--blue-300);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0;color:#fff;overflow:hidden}
.author-avatar img{width:100%;height:100%;object-fit:cover}
.author-info h4{font-family:var(--font-body);font-weight:700;margin-bottom:4px;font-size:.95rem}
.author-info p{font-size:.84rem;color:var(--text-muted);font-family:var(--font-body);line-height:1.6;margin-bottom:0}

/* ── POST NAVIGATION ── */
.post-navigation{margin-top:48px;padding-top:32px;border-top:1px solid var(--border);display:grid;grid-template-columns:1fr 1fr;gap:20px}
.nav-previous,.nav-next{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r);padding:18px 20px;transition:var(--transition)}
.nav-previous:hover,.nav-next:hover{border-color:var(--blue-300);box-shadow:var(--shadow)}
.nav-next{text-align:right}
.nav-label{font-size:.72rem;color:var(--text-faint);text-transform:uppercase;letter-spacing:.08em;font-weight:600;margin-bottom:4px;display:block;font-family:var(--font-body)}
.nav-title{font-size:.9rem;color:var(--blue-600);font-weight:600;font-family:var(--font-body)}

/* ── RELATED POSTS ── */
.related-posts{margin-top:0}
.related-posts h3{font-size:1.2rem;margin-bottom:20px;padding-top:40px;border-top:1px solid var(--border)}

/* ── COMMENTS ── */
.comments-area{margin-top:48px;padding-top:32px;border-top:1px solid var(--border)}
.comments-title{font-size:1.2rem;margin-bottom:24px}
.comment-list{list-style:none;padding:0}
.comment-list .children{list-style:none;padding-left:28px}
.comment{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r);padding:20px;margin-bottom:16px}
.comment-author{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.comment-author img{width:40px;height:40px;border-radius:50%}
.fn{font-weight:700;font-size:.9rem;color:var(--text-primary);font-style:normal}
.comment-metadata{font-size:.76rem;color:var(--text-faint)}
.comment-content p{font-size:.9rem;color:var(--text-secondary);margin-bottom:0;font-family:var(--font-body)}
.comment-form label{font-size:.82rem;font-weight:600;color:var(--text-secondary);display:block;margin-bottom:4px}
.comment-form input,.comment-form textarea{width:100%;background:var(--bg-3);border:1.5px solid var(--border);border-radius:var(--r-sm);padding:10px 14px;color:var(--text-primary);font-family:var(--font-body);font-size:.9rem;margin-bottom:14px;transition:var(--transition)}
.comment-form input:focus,.comment-form textarea:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(34,114,240,.1)}
.comment-form input[type="submit"]{background:linear-gradient(135deg,var(--blue-600),var(--blue-500));color:#fff;border:none;cursor:pointer;font-weight:600;font-size:.88rem;padding:11px 24px;width:auto;border-radius:var(--r-sm);transition:var(--transition)}
.comment-form input[type="submit"]:hover{background:linear-gradient(135deg,var(--blue-700),var(--blue-600))}
.comment-reply-link{font-size:.78rem;color:var(--blue-600);font-weight:600}

/* ═══════ CATEGORY SHOWCASE ═══════ */
.category-showcase{background:var(--bg-3);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.showcase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.showcase-card{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-lg);padding:32px 26px;display:flex;flex-direction:column;gap:10px;transition:var(--transition-slow);text-decoration:none;position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
.showcase-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:var(--r-lg) var(--r-lg) 0 0}
.cloud-card::before{background:linear-gradient(90deg,var(--blue-600),var(--azure))}
.ai-card::before{background:linear-gradient(90deg,#7c3aed,#a855f7)}
.python-card::before{background:linear-gradient(90deg,#059669,#10b981)}
.showcase-card:hover{transform:translateY(-4px);border-color:var(--blue-300);box-shadow:var(--shadow-lg)}
.showcase-icon{font-size:2rem}
.showcase-card h3{font-size:1.15rem}
.showcase-card p{font-size:.86rem;color:var(--text-muted);flex:1;line-height:1.6}
.showcase-count{font-size:.82rem;font-weight:700}
.cloud-card .showcase-count{color:var(--blue-600)}
.ai-card .showcase-count{color:#7c3aed}
.python-card .showcase-count{color:#059669}
[data-theme="dark"] .cloud-card .showcase-count{color:var(--blue-400)}
[data-theme="dark"] .ai-card .showcase-count{color:#a78bfa}
[data-theme="dark"] .python-card .showcase-count{color:#34d399}

/* ═══════ SEARCH PAGE ═══════ */
.search-header{background:var(--bg-3);border-bottom:1px solid var(--border);padding:32px 0;margin-bottom:0}
.search-header h1{font-size:1.6rem}
.search-header p{color:var(--text-muted);font-size:.9rem;margin-top:6px}
.search-form{display:flex;gap:10px;max-width:500px;margin-top:16px}
.search-form .search-field{flex:1;background:var(--bg-2);border:1.5px solid var(--border-2);border-radius:var(--r-sm);padding:10px 16px;color:var(--text-primary);font-family:var(--font-body);font-size:.9rem}
.search-form .search-field:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(34,114,240,.1)}
.search-form .search-submit{background:var(--blue-600);color:#fff;border:none;border-radius:var(--r-sm);padding:10px 20px;font-family:var(--font-body);font-size:.88rem;font-weight:600;cursor:pointer;transition:var(--transition)}
.search-form .search-submit:hover{background:var(--blue-700)}

/* ═══════ 404 PAGE ═══════ */
.error-404{text-align:center;padding:80px 24px;max-width:600px;margin:0 auto}
.error-code{font-size:6rem;font-weight:800;font-family:var(--font-display);color:var(--blue-200);line-height:1;margin-bottom:16px}
[data-theme="dark"] .error-code{color:var(--bg-4)}
.error-404 h1{font-size:2rem;margin-bottom:12px}
.error-404 p{color:var(--text-muted);margin-bottom:32px}

/* ═══════ STATIC PAGES ═══════ */
.page-content{max-width:800px;padding:60px 0 80px}
.page-content h1{font-size:2.2rem;margin-bottom:28px}

/* ═══════ FOOTER ═══════ */
.site-footer{background:var(--blue-950);color:rgba(255,255,255,.7);padding-top:64px;border-top:1px solid rgba(255,255,255,.06)}
[data-theme="dark"] .site-footer{background:#030c18}
.footer-inner{display:grid;grid-template-columns:1.2fr 2fr;gap:60px;padding-bottom:48px}
.footer-brand .logo-link{color:#fff}
.footer-brand .logo-link:hover{color:var(--azure-light)}
.footer-brand p{font-size:.86rem;color:rgba(255,255,255,.5);margin:12px 0 20px;max-width:270px;line-height:1.65}
.social-links{display:flex;gap:10px}
.social-links a{width:34px;height:34px;background:rgba(255,255,255,.06);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.5);font-size:.8rem;font-weight:700;transition:var(--transition);border:1px solid rgba(255,255,255,.08)}
.social-links a:hover{background:var(--blue-600);color:#fff;border-color:var(--blue-600)}
.footer-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.footer-col h4,.footer-col .widget-title{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:rgba(255,255,255,.35);margin-bottom:14px;font-family:var(--font-body);font-weight:700;border:none;padding:0}
.footer-col ul{list-style:none;padding:0}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:rgba(255,255,255,.5);font-size:.84rem;transition:color .2s}
.footer-col ul li a:hover{color:var(--azure-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:18px 0}
.footer-bottom .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.footer-bottom p{font-size:.76rem;color:rgba(255,255,255,.3)}
.footer-bottom a{color:rgba(255,255,255,.45)}
.footer-bottom a:hover{color:var(--azure-light)}
.disclosure{font-style:italic}

/* ═══════ GUTENBERG BLOCKS ═══════ */
.wp-block-pullquote{border-top:3px solid var(--blue-500);border-bottom:3px solid var(--blue-500);padding:24px;text-align:center;font-size:1.2rem;color:var(--text-primary);font-family:var(--font-serif);font-style:italic;margin-bottom:28px}
.wp-block-separator{border-color:var(--border);margin:32px 0}
.wp-block-button .wp-block-button__link{background:linear-gradient(135deg,var(--blue-600),var(--blue-500)) !important;color:#fff !important;border-radius:var(--r-sm) !important;padding:11px 22px !important;font-family:var(--font-body) !important;font-weight:600 !important;box-shadow:var(--shadow-blue)}
.wp-block-button .wp-block-button__link:hover{background:linear-gradient(135deg,var(--blue-700),var(--blue-600)) !important}
.wp-block-cover{border-radius:var(--r-lg);overflow:hidden;margin-bottom:28px}
.wp-block-group{padding:24px;background:var(--bg-3);border:1px solid var(--border);border-radius:var(--r);margin-bottom:28px}
.wp-block-columns{gap:24px;margin-bottom:28px}
.is-layout-flex.wp-block-columns{display:flex;flex-wrap:wrap}
.wp-block-column{flex:1;min-width:min(100%,200px)}

/* ═══════ UTILITIES ═══════ */
.text-blue{color:var(--blue-600)}
.text-muted{color:var(--text-muted)}
.text-center{text-align:center}
.fw-bold{font-weight:700}
@keyframes fadeIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeIn .5s ease both}

/* ═══════ RESPONSIVE ═══════ */
@media(max-width:1100px){
  .featured-grid{grid-template-columns:1fr 1fr}
  .card-featured{grid-row:span 1;grid-column:span 2}
  .posts-layout{grid-template-columns:1fr 270px}
  .charts-grid{grid-template-columns:1fr}
  .article-layout{grid-template-columns:1fr 270px}
}
@media(max-width:900px){
  .posts-grid{grid-template-columns:1fr 1fr}
  .footer-nav{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr}
  .hero-inner{grid-template-columns:1fr}
  .hex-grid{display:none}
  .showcase-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr 1fr}
  .figure-grid{grid-template-columns:1fr}
  .post-navigation{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .main-nav{display:none}
  .main-nav.open{display:block;position:fixed;top:66px;left:0;right:0;bottom:0;background:var(--bg-2);z-index:199;overflow-y:auto;padding:20px}
  .main-nav.open ul{flex-direction:column}
  .main-nav.open li.menu-item-has-children>.sub-menu{display:block;position:static;box-shadow:none;border:none;background:var(--bg-3);margin:4px 0 4px 12px;animation:none}
  .menu-toggle{display:flex}
  .posts-layout,.article-layout{grid-template-columns:1fr}
  .sidebar{display:none}
  .featured-grid{grid-template-columns:1fr}
  .card-featured{grid-column:auto}
  .posts-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .hero{padding:52px 0 44px}
  .hero-cta{flex-direction:column}
  .ad-leaderboard .ad-placeholder,.ad-leaderboard ins.adsbygoogle{width:320px;height:50px}
}
@media(max-width:480px){
  .related-grid{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .page-numbers a,.page-numbers span{width:32px;height:32px;font-size:.78rem}
}