/* ═════════════════════════════════════════════════════════════════
       HUBSKIT 3.0 OFFICIAL DESIGN SYSTEM — UNIVERSAL MASTER STYLES
       ═════════════════════════════════════════════════════════════════ */
    :root {
      --ink: #06070a;
      --panel: #0d0f17;
      --panel-2: #141724;
      --panel-3: #1a1e30;
      --line: rgba(255, 255, 255, 0.08);
      --line-strong: rgba(255, 255, 255, 0.16);
      --paper: #f0f2f7;
      --muted: #8e96a8;
      --muted-2: #5c6478;
      --amber: #f0a94e;
      --violet: #9d8cfa;
      --teal: #2dd4bf;
      --emerald: #25d366;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }

    /* ── Ambient Background System ── */
    #webgl-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
    #grain {
      position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.025; mix-blend-mode: overlay;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    }
    #vignette { position: fixed; inset: 0; z-index: 1; pointer-events: none; background: radial-gradient(ellipse at 50% 0%, transparent 45%, rgba(6,7,10,0.75) 100%); }
    
    .aurora { position: fixed; inset: -20% -10% auto -10%; height: 950px; z-index: 0; pointer-events: none; }
    .aurora span { position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.45; animation: drift 20s ease-in-out infinite; }
    .aurora span:nth-child(1) { width: 480px; height: 480px; background: var(--amber); top: -40px; left: 5%; }
    .aurora span:nth-child(2) { width: 440px; height: 440px; background: var(--violet); top: 120px; right: 5%; animation-delay: -7s; }
    .aurora span:nth-child(3) { width: 380px; height: 380px; background: var(--teal); bottom: -60px; left: 35%; animation-delay: -14s; }
    @keyframes drift { 0%,100%{transform:translate(0,0) scale(1);} 33%{transform:translate(60px,-35px) scale(1.12);} 66%{transform:translate(-50px,30px) scale(0.92);} }

    #glow {
      position: fixed; top: 0; left: 0; width: 550px; height: 550px; border-radius: 50%;
      background: radial-gradient(circle, rgba(240,169,78,0.08), rgba(157,140,250,0.05) 45%, transparent 70%);
      pointer-events: none; transform: translate(-50%,-50%); z-index: 1; filter: blur(12px);
    }

    body {
      background-color: #070913;
      background-image: 
        radial-gradient(ellipse at 85% 15%, rgba(157, 140, 250, 0.28) 0%, transparent 60%),
        radial-gradient(ellipse at 15% 10%, rgba(240, 169, 78, 0.22) 0%, transparent 55%),
        radial-gradient(ellipse at 50% 85%, rgba(79, 209, 197, 0.18) 0%, transparent 65%);
      background-attachment: fixed;
      color: var(--paper);
      font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      padding-top: 68px;
    }

    .wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 2; }

    /* ── Reading Progress Indicator ── */
    .reading-progress-bar {
      position: fixed; top: 68px; left: 0; width: 0%; height: 3px;
      background: linear-gradient(90deg, var(--amber), var(--violet), var(--teal));
      z-index: 1001; transition: width 0.1s linear;
    }

    /* ── PIXEL-PERFECT OFFICIAL NAVIGATION ── */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      height: 68px; background: rgba(7, 9, 13, 0.92);
      backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      display: flex; align-items: center;
    }
    .nav-inner {
      display: flex; align-items: center; justify-content: space-between;
      height: 100%; width: 100%; gap: 16px;
      max-width: 1240px; margin: 0 auto; padding: 0 24px; box-sizing: border-box;
    }
    .logo {
      display: flex; align-items: center; gap: 10px; font-family: 'Space Grotesk', -apple-system, sans-serif;
      font-weight: 700; font-size: 19px; white-space: nowrap; flex-shrink: 0; text-decoration: none; color: #f5f5f7;
      line-height: 1;
    }
    .logo-mark {
      width: 24px; height: 24px; border-radius: 7px; flex-shrink: 0; position: relative;
      background: conic-gradient(from 200deg, var(--amber, #f0a94e), var(--violet, #9d8cfa), var(--teal, #2dd4bf), var(--emerald, #25d366), var(--amber, #f0a94e));
      animation: spin-slow 8s linear infinite;
    }
    .logo-mark::before { content: ''; position: absolute; inset: 2.5px; background: var(--ink, #06070a); border-radius: 5px; }
    @keyframes spin-slow { to { transform: rotate(360deg); } }

    .nav-links {
      display: flex; gap: 6px; align-items: center; font-size: 13.5px;
      font-family: 'Space Grotesk', -apple-system, sans-serif; font-weight: 600;
      list-style: none; margin: 0; padding: 0;
    }
    .nav-links a {
      color: #94a3b8; transition: all 0.2s ease; white-space: nowrap;
      padding: 0 12px; height: 36px; border-radius: 8px; line-height: 1;
      display: inline-flex; align-items: center; text-decoration: none;
    }
    .nav-links a:hover { color: #ffffff; background: rgba(255, 255, 255, 0.06); }
    .nav-links a.active { color: #f0a94e; background: rgba(240, 169, 78, 0.12); font-weight: 600; }

    .nav-actions {
      display: flex; align-items: center; gap: 10px; flex-shrink: 0;
    }
    .btn-reseller-nav {
      height: 38px; padding: 0 15px; border-radius: 8px; font-size: 13px; font-weight: 600;
      font-family: 'Space Grotesk', -apple-system, sans-serif; background: rgba(37, 211, 102, 0.1);
      color: #25d366; border: 1px solid rgba(37, 211, 102, 0.3); transition: all 0.2s ease;
      display: inline-flex; align-items: center; justify-content: center; gap: 7px;
      white-space: nowrap; flex-shrink: 0; line-height: 1; text-decoration: none; box-sizing: border-box;
    }
    .btn-reseller-nav .badge-dot {
      width: 6px; height: 6px; border-radius: 50%; background: #25d366; box-shadow: 0 0 6px #25d366;
      display: inline-block;
    }
    .btn-reseller-nav:hover {
      background: rgba(37, 211, 102, 0.18); border-color: rgba(37, 211, 102, 0.5); color: #4ade80;
      transform: translateY(-1px); box-shadow: 0 4px 14px rgba(37, 211, 102, 0.2);
    }

    .nav-cta {
      height: 38px; padding: 0 18px; border-radius: 8px; font-weight: 700; font-size: 13.5px;
      font-family: 'Space Grotesk', -apple-system, sans-serif;
      background: linear-gradient(135deg, #f0a94e 0%, #e28c2b 100%); color: #0a0c10;
      transition: all 0.2s ease; display: inline-flex; align-items: center; justify-content: center;
      white-space: nowrap; flex-shrink: 0; line-height: 1; border: none; text-decoration: none; box-sizing: border-box;
    }
    .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240,169,78,0.3); }

    /* Mobile hamburger */
    .burger-btn {
      display: none; background: transparent; border: 1px solid var(--line); color: var(--paper);
      padding: 8px 10px; border-radius: 6px; font-size: 18px; cursor: pointer;
    }
    @media (max-width: 960px) {
      .nav-links { display: none !important; }
      .btn-reseller-nav { display: none !important; }
      .burger-btn { display: inline-flex; }
    }

    /* ── ARTICLE HERO / HEADER ── */
    .article-header {
      padding: 56px 0 36px;
      border-bottom: 1px solid var(--line);
      background: radial-gradient(circle at 50% 0%, rgba(240,169,78,0.06), transparent 70%);
      position: relative; z-index: 2;
    }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 8px; font-family: 'IBM Plex Mono', monospace;
      font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber);
      background: rgba(240, 169, 78, 0.08); border: 1px solid rgba(240, 169, 78, 0.25);
      padding: 6px 14px; border-radius: 20px; font-weight: 600; margin-bottom: 20px;
    }
    .dot-live { width: 6px; height: 6px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 3px rgba(240,169,78,0.25); animation: pulse 2s infinite; }
    @keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.4;} }

    .article-title {
      font-family: 'Space Grotesk', sans-serif;
      font-size: clamp(30px, 4.4vw, 50px);
      font-weight: 700; line-height: 1.15; margin-bottom: 18px; letter-spacing: -0.02em; color: #fff;
    }
    .article-title em { font-style: normal; background: linear-gradient(105deg, var(--amber), var(--violet) 55%, var(--teal) 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }

    .article-meta-strip {
      display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
      font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--muted);
      margin-top: 14px;
    }
    .meta-tag {
      color: var(--amber); background: rgba(240,169,78,0.1); border: 1px solid rgba(240,169,78,0.25);
      padding: 3px 10px; border-radius: 12px; font-weight: 600; text-transform: uppercase; font-size: 11px;
    }

    /* ── TWO-COLUMN ARTICLE LAYOUT ── */
    .article-layout {
      display: grid; grid-template-columns: 1fr 340px; gap: 48px;
      padding: 48px 0 80px; align-items: start;
    }
    @media (max-width: 960px) {
      .article-layout { grid-template-columns: 1fr; gap: 36px; }
      .sidebar { display: none; }
    }

    /* ── PROSE ARTICLE CONTENT STYLING ── */
    .prose-body {
      min-width: 0; color: #e2e8f0; font-size: 17px; line-height: 1.8;
      font-family: 'IBM Plex Sans', sans-serif;
    }
    .prose-body p { margin-bottom: 24px; color: #cbd5e1; }
    .prose-body strong { color: #ffffff; font-weight: 600; }
    .prose-body em { color: var(--amber); font-style: normal; }

    .prose-body h2 {
      font-family: 'Space Grotesk', sans-serif; font-size: 27px; font-weight: 700;
      color: #ffffff; margin: 48px 0 16px; padding-top: 10px; line-height: 1.25;
      letter-spacing: -0.02em; border-left: 3px solid var(--amber); padding-left: 14px;
    }
    .prose-body h3 {
      font-family: 'Space Grotesk', sans-serif; font-size: 21px; font-weight: 700;
      color: #f1f5f9; margin: 36px 0 14px; line-height: 1.3;
      border-left: 3px solid var(--teal); padding-left: 12px;
    }
    .prose-body h4 {
      font-family: 'Space Grotesk', sans-serif; font-size: 18px; font-weight: 600;
      color: #e2e8f0; margin: 26px 0 10px;
    }

    .prose-body a {
      color: var(--amber); text-decoration: underline; text-underline-offset: 4px;
      text-decoration-thickness: 1.5px; transition: all 0.2s; font-weight: 500;
    }
    .prose-body a:hover { color: #fde68a; }

    .prose-body ul, .prose-body ol {
      margin: 0 0 26px; padding-left: 0; list-style: none;
    }
    .prose-body ul li {
      position: relative; padding-left: 24px; margin-bottom: 12px; color: #cbd5e1;
    }
    .prose-body ul li::before {
      content: '⚡'; position: absolute; left: 0; top: 1px; font-size: 12px; color: var(--amber);
    }
    .prose-body ol {
      counter-reset: hk-counter;
    }
    .prose-body ol li {
      position: relative; padding-left: 28px; margin-bottom: 14px; color: #cbd5e1;
      counter-increment: hk-counter;
    }
    .prose-body ol li::before {
      content: counter(hk-counter) "."; position: absolute; left: 0; top: 0;
      font-family: 'IBM Plex Mono', monospace; font-weight: 700; color: var(--teal); font-size: 14px;
    }

    /* ── TABLES ── */
    .prose-body table {
      width: 100%; border-collapse: collapse; margin: 32px 0;
      background: rgba(13, 15, 23, 0.95); border: 1px solid var(--line);
      border-radius: var(--radius-md); overflow: hidden;
      font-size: 15px;
    }
    .prose-body th {
      background: rgba(240, 169, 78, 0.1); color: #ffffff; text-align: left;
      padding: 14px 18px; font-family: 'Space Grotesk', sans-serif; font-weight: 700;
      border-bottom: 1px solid var(--line-strong); font-size: 14px; text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .prose-body td {
      padding: 14px 18px; border-bottom: 1px solid var(--line); color: #cbd5e1;
      line-height: 1.5; vertical-align: top;
    }
    .prose-body tr:last-child td { border-bottom: none; }
    .prose-body tr:hover td { background: rgba(255, 255, 255, 0.02); }

    /* ── SIDEBAR WIDGETS ── */
    .sidebar { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 28px; }

    .sidebar-cta-card {
      background: linear-gradient(145deg, rgba(20, 23, 36, 0.98), rgba(13, 15, 23, 0.98));
      border: 1px solid var(--line-strong); border-radius: var(--radius-md);
      padding: 30px; position: relative; overflow: hidden; box-shadow: 0 16px 40px rgba(0,0,0,0.5);
    }
    .sidebar-cta-card::before {
      content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
      background: linear-gradient(90deg, var(--amber), var(--violet), var(--teal));
    }
    .sidebar-badge {
      display: inline-flex; align-items: center; gap: 6px; font-family: 'IBM Plex Mono', monospace;
      font-size: 11px; text-transform: uppercase; color: var(--emerald);
      background: rgba(37, 211, 102, 0.1); border: 1px solid rgba(37, 211, 102, 0.25);
      padding: 4px 10px; border-radius: 12px; font-weight: 600; margin-bottom: 16px;
    }
    .sidebar-cta-title {
      font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-weight: 700;
      color: #fff; margin-bottom: 10px; line-height: 1.25;
    }
    .sidebar-cta-desc {
      font-size: 13.5px; color: var(--muted); line-height: 1.55; margin-bottom: 22px;
    }
    .btn-primary {
      background: linear-gradient(135deg, #f0a94e 0%, #e28c2b 100%); color: #0a0c10;
      padding: 13px 22px; border-radius: var(--radius-sm); font-weight: 700; font-size: 14.5px;
      border: none; cursor: pointer; transition: all 0.2s ease; display: inline-flex;
      align-items: center; justify-content: center; gap: 8px; text-decoration: none; width: 100%;
      font-family: 'Space Grotesk', sans-serif; box-sizing: border-box;
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240,169,78,0.35); color: #000; }
    .sidebar-cta-foot {
      font-family: 'IBM Plex Mono', monospace; font-size: 11.5px; color: var(--muted-2);
      text-align: center; margin-top: 14px;
    }

    .sidebar-box {
      background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-md);
      padding: 24px;
    }
    .sidebar-box-title {
      font-family: 'Space Grotesk', sans-serif; font-size: 15px; font-weight: 700;
      color: #fff; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 16px;
      display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--line); padding-bottom: 12px;
    }
    .popular-tool-link {
      display: flex; justify-content: space-between; align-items: center; padding: 10px 0;
      border-bottom: 1px solid var(--line); text-decoration: none; color: #cbd5e1;
      font-size: 13.5px; transition: all 0.15s;
    }
    .popular-tool-link:last-child { border-bottom: none; }
    .popular-tool-link:hover { color: var(--amber); transform: translateX(3px); }
    .tool-price-tag {
      font-family: 'IBM Plex Mono', monospace; font-size: 11.5px; color: var(--teal);
    }

    /* ── FAQ ACCORDION SECTION ── */
    .faq-section {
      margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--line);
    }
    .faq-section-title {
      font-family: 'Space Grotesk', sans-serif; font-size: 28px; font-weight: 700;
      color: #fff; margin-bottom: 24px; letter-spacing: -0.01em;
    }
    .faq-item {
      background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm);
      margin-bottom: 14px; overflow: hidden; transition: border-color 0.2s;
    }
    .faq-item:hover { border-color: rgba(240, 169, 78, 0.3); }
    .faq-question {
      padding: 18px 22px; font-family: 'Space Grotesk', sans-serif; font-size: 16.5px;
      font-weight: 600; color: #ffffff; cursor: pointer; display: flex;
      justify-content: space-between; align-items: center; user-select: none;
    }
    .faq-toggle-icon {
      font-size: 18px; color: var(--amber); transition: transform 0.25s ease;
    }
    .faq-answer {
      padding: 0 22px 18px; font-size: 15px; color: var(--muted); line-height: 1.65;
    }

    /* ── SHARE BUTTONS ── */
    .share-strip {
      display: flex; gap: 12px; align-items: center; margin-top: 40px; padding: 20px 0;
      border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); flex-wrap: wrap;
    }
    .share-label {
      font-family: 'IBM Plex Mono', monospace; font-size: 12px; text-transform: uppercase;
      letter-spacing: 0.08em; color: var(--muted); margin-right: 6px;
    }
    .share-btn {
      font-family: 'Space Grotesk', sans-serif; font-size: 13px; font-weight: 600;
      padding: 7px 16px; border-radius: 8px; background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--line); color: var(--paper); text-decoration: none;
      cursor: pointer; transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px;
    }
    .share-btn:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.25); color: #fff; }

    /* ── OFFICIAL FOOTER ── */
    footer {
      padding: 56px 0 36px; border-top: 1px solid var(--line);
      background: rgba(6, 7, 10, 0.95); position: relative; z-index: 2; margin-top: 60px;
    }
    .footer-grid {
      display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px;
    }
    @media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
    @media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
    .footer-col h4 {
      font-size: 13px; text-transform: uppercase; font-family: 'IBM Plex Mono', monospace;
      color: var(--paper); margin-bottom: 16px; letter-spacing: 0.06em;
    }
    .footer-col ul { list-style: none; font-size: 13.5px; color: var(--muted); line-height: 2.2; }
    .footer-col ul a { color: var(--muted); text-decoration: none; transition: color 0.15s; }
    .footer-col ul a:hover { color: #fff; }
    .footer-bottom {
      display: flex; justify-content: space-between; align-items: center; padding-top: 28px;
      border-top: 1px solid var(--line); flex-wrap: wrap; gap: 14px; font-size: 12px;
      color: var(--muted-2); font-family: 'IBM Plex Mono', monospace;
    }

    .wa-float {
      position: fixed; bottom: 24px; right: 24px; z-index: 100;
      display: flex; align-items: center; gap: 8px;
      background: #25d366; color: #fff; padding: 11px 18px;
      border-radius: 30px; font-weight: 600; font-size: 13.5px;
      box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35); text-decoration: none;
      font-family: 'Space Grotesk', sans-serif; transition: transform 0.2s;
    }
    .wa-float:hover { transform: translateY(-2px); color: #fff; }