:root {
            --white: #FFFFFF;
            --cream-50: #FFFBF6;
            --gray-50: #F9FAFB;
            --gray-100: #F3F4F6;
            --gray-200: #E5E7EB;
            --gray-300: #D1D5DB;
            --gray-400: #9CA3AF;
            --gray-500: #6B7280;
            --gray-600: #4B5563;
            --gray-700: #374151;
            --gray-800: #1F2937;
            --gray-900: #111827;
            --gray-950: #0a0d12;
            --bronze-900: #312E81;
            --bronze-800: #3730A3;
            --bronze-700: #4F46E5;
            --bronze-600: #6366F1;
            --bronze-500: #818CF8;
            --bronze-400: #A5B4FC;
            --bronze-300: #C7D2FE;
            --bronze-200: #E0E7FF;
            --bronze-100: #EEF2FF;
            --emerald: #10B981;
            --blue: #3B82F6;
            --violet: #8B5CF6;
            --cyan: #06B6D4;
            --pink: #EC4899;
            --orange: #F97316;
            --red: #EF4444;
            --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-serif: 'DM Serif Display', Georgia, serif;
            --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { overflow-x: hidden; }
        body {
            font-family: var(--font-sans);
            background: var(--white);
            color: var(--gray-900);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            padding-top: 80px;
            overflow-x: hidden;
        }
        a { color: inherit; text-decoration: none; }
        .container { max-width: 1600px; margin: 0 auto; padding: 0 72px; }
        .container-narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }

        /* HEADER */
        #header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 5000;
            padding: 14px 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--gray-100);
            transition: all 0.3s ease;
        }
        #header.scrolled { padding: 10px 0; box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06); }
        #header .header-inner { display: flex; align-items: center; justify-content: space-between; }
        #header .logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 600; color: var(--gray-900); }
        #header .logo-mark { width: 34px; height: 34px; background: linear-gradient(135deg, var(--bronze-700), var(--bronze-900)); border-radius: 9px; display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 8px rgba(61, 41, 20, 0.2); }
        #header .logo-mark svg { width: 18px; height: 18px; color: white; }
        #header .logo sup { font-size: 10px; font-weight: 500; color: var(--bronze-600); margin-left: 2px; }
        #header .nav { display: flex; align-items: center; gap: 4px; }
        #header .nav-item { position: relative; }
        #header .nav-link { display: flex; align-items: center; gap: 4px; padding: 10px 16px; font-size: 14px; font-weight: 500; color: var(--gray-600); border-radius: 6px; transition: all 0.2s; }
        #header .nav-link:hover { color: var(--gray-900); background: var(--gray-50); }
        #header .nav-link.active { color: var(--bronze-700); }
        #header .nav-link svg { width: 14px; height: 14px; transition: transform 0.2s; display: block; flex-shrink: 0; }
        #header .nav-item:hover .nav-link svg { transform: rotate(180deg); }
        #header .mega-menu { position: fixed; top: 76px; left: 50%; transform: translateX(-50%) translateY(10px); background: linear-gradient(180deg, #FFFFFF 0%, var(--cream-50) 100%); border-radius: 16px; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05); opacity: 0; visibility: hidden; transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease; z-index: 6000; padding: 24px; width: min(760px, calc(100vw - 32px)); max-width: calc(100vw - 32px); }
        #header .mega-menu.wide { width: min(920px, calc(100vw - 32px)); }
        #header .nav-item.is-open .mega-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
        #header .mega-menu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
        #header .mega-menu-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
        #header .mega-menu-item { display: flex; align-items: flex-start; gap: 14px; padding: 14px; border-radius: 12px; transition: all 0.2s; }
        #header .mega-menu-item:hover { background: var(--gray-50); }
        #header .mega-menu-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
        #header .mega-menu-icon svg { width: 22px; height: 22px; display: block; }
        .mega-menu-icon.voice { background: rgba(99,102,241, 0.12); color: var(--bronze-600); }
        .mega-menu-icon.whatsapp { background: rgba(37, 211, 102, 0.12); color: #25D366; }
        .mega-menu-icon.instagram { background: rgba(225, 48, 108, 0.12); color: #E1306C; }
        .mega-menu-icon.messenger { background: rgba(0, 132, 255, 0.12); color: #0084FF; }
        .mega-menu-icon.crm-agent { background: rgba(59, 130, 246, 0.12); color: #3B82F6; }
        .mega-menu-icon.quality-agent { background: rgba(16, 185, 129, 0.12); color: #10B981; }
        .mega-menu-icon.receptionist-agent { background: rgba(139, 92, 246, 0.12); color: #8B5CF6; }
        .mega-menu-icon.platform { background: rgba(59, 130, 246, 0.12); color: #3B82F6; }
        .mega-menu-icon.voip { background: rgba(99,102,241, 0.12); color: var(--bronze-600); }
        .mega-menu-icon.solutions { background: rgba(139, 92, 246, 0.12); color: #8B5CF6; }
        .mega-menu-icon.analytics { background: rgba(59, 130, 246, 0.12); color: #3B82F6; }
        .mega-menu-icon.integrations { background: rgba(139, 92, 246, 0.12); color: #8B5CF6; }
        .mega-menu-icon.auto { background: rgba(99,102,241, 0.12); color: var(--bronze-600); }
        .mega-menu-icon.health { background: rgba(16, 185, 129, 0.12); color: #10B981; }
        .mega-menu-icon.realestate { background: rgba(59, 130, 246, 0.12); color: #3B82F6; }
        .mega-menu-icon.ecommerce { background: rgba(251, 146, 60, 0.12); color: #FB923C; }
        .mega-menu-icon.finance { background: rgba(6, 182, 212, 0.12); color: #06B6D4; }
        .mega-menu-icon.hr { background: rgba(139, 92, 246, 0.12); color: #8B5CF6; }
        .mega-menu-icon.blog { background: rgba(59, 130, 246, 0.12); color: #3B82F6; }
        .mega-menu-icon.docs { background: rgba(16, 185, 129, 0.12); color: #10B981; }
        .mega-menu-icon.api { background: rgba(251, 146, 60, 0.12); color: #FB923C; }
        .mega-menu-icon.cases { background: rgba(139, 92, 246, 0.12); color: #8B5CF6; }
        .mega-menu-content h4 { font-size: 14px; font-weight: 600; color: var(--gray-900); margin-bottom: 4px; }
        .mega-menu-content p { font-size: 13px; color: var(--gray-500); line-height: 1.4; }
        .mega-menu-section-title { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--bronze-700); margin-bottom: 12px; padding-left: 14px; }
        .mega-menu.agents { padding: 0; width: min(1120px, calc(100vw - 32px)); }
        .agents-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 14px 22px 18px; border-top: 1px solid rgba(17, 24, 39, 0.08); background: linear-gradient(180deg, rgba(253,252,251,0.6), rgba(255,255,255,0.8)); border-bottom-left-radius: 16px; border-bottom-right-radius: 16px; }
        .agents-stat { text-align: center; }
        .agents-stat strong { display: block; font-size: 16px; font-weight: 800; color: var(--bronze-700); letter-spacing: -0.01em; }
        .agents-stat span { display: block; font-size: 12px; color: var(--gray-600); margin-top: 2px; }
        .mega-menu.platform { padding: 14px; width: min(980px, calc(100vw - 32px)); }
        .platform-menu { display: grid; grid-template-columns: 1fr 1.05fr; gap: 14px; align-items: stretch; }
        .platform-left { padding: 8px; height: 400px; display: flex; flex-direction: column; box-sizing: border-box; overflow: hidden; }
        .platform-kicker { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.10em; color: var(--bronze-700); margin-bottom: 8px; }
        .platform-title { font-size: 18px; font-weight: 850; color: var(--gray-900); letter-spacing: -0.02em; margin-bottom: 6px; }
        .platform-desc { font-size: 13px; color: var(--gray-600); line-height: 1.55; margin-bottom: 8px; }
        .platform-points { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; flex: 1; align-content: start; min-height: auto; overflow: hidden; }
        .platform-point { display: grid; grid-template-columns: 18px 1fr; gap: 10px; padding: 9px 12px; border-radius: 12px; border: 1px solid rgba(17, 24, 39, 0.08); background: rgba(255,255,255,0.70); }
        .platform-point-icon { width: 18px; height: 18px; border-radius: 6px; background: rgba(99,102,241,0.10); border: 1px solid rgba(99,102,241,0.18); display: grid; place-items: center; color: var(--bronze-700); line-height: 0; }
        .platform-point-icon svg { width: 12px; height: 12px; display: block; }
        .platform-point strong { display: block; font-size: 13px; font-weight: 850; color: var(--gray-900); margin-bottom: 1px; }
        .platform-point span { display: block; font-size: 12px; color: var(--gray-600); line-height: 1.4; }
        .platform-cta { margin-top: 8px; flex-shrink: 0; }
        .platform-right { border-radius: 16px; background: linear-gradient(135deg, #1a1f2e, #141820); border: 1px solid rgba(255,255,255,0.06); box-shadow: 0 18px 50px rgba(0,0,0,0.24); overflow: hidden; display: flex; flex-direction: column; height: 400px; }
        .platform-right.platform-links { background: rgba(255,255,255,0.75); border: 1px solid rgba(17, 24, 39, 0.10); box-shadow: 0 18px 50px rgba(0,0,0,0.10); padding: 10px; overflow: hidden !important; }
        .mega-menu.platform .platform-right.platform-links .mega-menu-grid { gap: 2px !important; }
        .mega-menu.platform .platform-right.platform-links .mega-menu-item { padding: 6px; gap: 8px; }
        .mega-menu.platform .platform-right.platform-links .mega-menu-icon { width: 32px; height: 32px; border-radius: 10px; }
        .mega-menu.platform .platform-right.platform-links .mega-menu-icon svg { width: 16px; height: 16px; display: block; }
        .mega-menu.platform .platform-right.platform-links .mega-menu-content h4 { margin-bottom: 2px; line-height: 1.2; }
        .mega-menu.platform .platform-right.platform-links .mega-menu-content p { font-size: 10px; line-height: 1.15; }
        @media (max-width: 1024px) {
            .platform-menu { grid-template-columns: 1fr; }
            .platform-right { display: none; }
            .agents-stats { grid-template-columns: repeat(2, 1fr); }
        }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .mobile-menu-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 8px; color: var(--gray-600); background: transparent; border: none; cursor: pointer; }
        .mobile-menu-toggle svg { width: 24px; height: 24px; }
        .mobile-menu { display: none; position: fixed; top: 64px; left: 0; right: 0; bottom: 0; background: white; padding: 24px; overflow-y: auto; z-index: 5500; }
        .mobile-menu-inner { max-width: 1200px; margin: 0 auto; }
        .mobile-accordion { border: 1px solid rgba(17, 24, 39, 0.08); border-radius: 14px; background: linear-gradient(180deg, #FFFFFF 0%, var(--cream-50) 100%); overflow: hidden; }
        .mobile-accordion-item + .mobile-accordion-item { border-top: 1px solid rgba(17, 24, 39, 0.08); }
        .mobile-accordion-trigger { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 14px 14px; font-size: 15px; font-weight: 700; color: var(--gray-900); background: transparent; border: none; cursor: pointer; }
        .mobile-accordion-trigger svg { width: 18px; height: 18px; transition: transform 0.2s ease; }
        .mobile-accordion-item.is-open .mobile-accordion-trigger svg { transform: rotate(180deg); }
        .mobile-accordion-panel { display: none; padding: 0 10px 12px; }
        .mobile-accordion-item.is-open .mobile-accordion-panel { display: block; }
        .mobile-accordion-link { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; padding: 12px; border-radius: 12px; background: rgba(255,255,255,0.75); border: 1px solid rgba(17, 24, 39, 0.08); margin: 8px 0; }
        .mobile-accordion-link strong { display: block; font-size: 14px; font-weight: 800; color: var(--gray-900); margin-bottom: 2px; }
        .mobile-accordion-link span { display: block; font-size: 12px; color: var(--gray-600); line-height: 1.4; }
        .mobile-menu-actions { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 16px; }
        .mobile-menu.active { display: block; }
        @media (max-width: 1024px) {
            #header .nav { display: none; }
            .mobile-menu-toggle { display: flex; }
            .header-actions .btn-ghost { display: none; }
        }
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 20px; font-family: var(--font-sans); font-size: 14px; font-weight: 500; border-radius: 8px; transition: all 0.2s ease; border: none; cursor: pointer; }
        .btn-sm { padding: 8px 16px; font-size: 13px; }
        .btn-lg { padding: 14px 28px; font-size: 15px; }
        .btn-primary { background: transparent; color: #1E1E24; border: 1.5px solid #1E1E24; }
        .btn-primary:hover { background: #1E1E24; color: #FFFFFF; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.10); }
        .btn-outline { background: transparent; color: var(--gray-700); border: 1px solid var(--gray-200); }
        .btn-outline:hover { background: var(--gray-50); border-color: var(--gray-300); }
        .btn-ghost { color: var(--gray-600); background: transparent; }
        .btn-ghost:hover { color: var(--gray-900); background: var(--gray-50); }
        .btn-white { background: white; color: var(--gray-900); }
        .btn-white:hover { background: var(--gray-100); }

        /* Dark section button overrides */
        .cta-card .btn-primary,
        .api-orchestration-section .btn-primary,
        .hybrid-section .btn-primary {
            background: #FFFFFF;
            color: #1E1E24;
            border: none;
            border-radius: 8px;
            padding: 9px 20px;
            font-weight: 500;
        }
        .cta-card .btn-primary:hover,
        .api-orchestration-section .btn-primary:hover,
        .hybrid-section .btn-primary:hover {
            background: #F0F0F0;
            color: #1E1E24;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        .cta-card .btn-outline,
        .api-orchestration-section .btn-outline,
        .hybrid-section .btn-outline {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255,255,255,0.5);
            border-radius: 8px;
            padding: 9px 20px;
        }
        .cta-card .btn-outline:hover,
        .api-orchestration-section .btn-outline:hover,
        .hybrid-section .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.7);
        }
        .cta-card .btn-primary.btn-lg,
        .api-orchestration-section .btn-primary.btn-lg {
            padding: 14px 28px;
        }
        .btn-icon { width: 16px; height: 16px; transition: transform 0.2s; }
        .btn:hover .btn-icon { transform: translateX(2px); }

        /* BLOG HERO */
        .blog-hero { padding: 60px 0 80px; background: linear-gradient(180deg, var(--cream-50) 0%, var(--white) 100%); }
        .blog-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--gray-500); margin-bottom: 24px; }
        .blog-breadcrumb a { color: var(--gray-500); transition: color 0.2s; }
        .blog-breadcrumb a:hover { color: var(--bronze-600); }
        .blog-breadcrumb svg { width: 14px; height: 14px; }
        .blog-category { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), rgba(6, 182, 212, 0.06)); border: 1px solid rgba(6, 182, 212, 0.2); border-radius: 100px; font-size: 12px; font-weight: 700; color: var(--cyan); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 20px; }
        .blog-title { font-family: var(--font-serif); font-size: clamp(36px, 5vw, 52px); font-weight: 400; color: var(--gray-900); line-height: 1.15; margin-bottom: 24px; max-width: 900px; }
        .blog-excerpt { font-size: 19px; color: var(--gray-600); line-height: 1.7; max-width: 700px; margin-bottom: 32px; }
        .blog-meta { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
        .blog-meta-item { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--gray-500); }
        .blog-meta-item svg { width: 16px; height: 16px; }

        /* FEATURED IMAGE */
        .blog-featured-image { position: relative; margin: -40px auto 0; max-width: 1000px; padding: 0 24px; }
        .blog-featured-image-inner { position: relative; border-radius: 20px; overflow: hidden; box-shadow: 0 24px 64px rgba(0, 0, 0, 0.12); aspect-ratio: 16 / 8; background: linear-gradient(135deg, #1a1f2e, #0f1318); }
        .featured-image-content { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; padding: 40px; }
        .pbx-visual { display: flex; align-items: center; justify-content: center; gap: 32px; width: 100%; max-width: 800px; }
        .pbx-node { display: flex; flex-direction: column; align-items: center; gap: 12px; }
        .pbx-icon { width: 72px; height: 72px; border-radius: 18px; display: flex; align-items: center; justify-content: center; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3); position: relative; }
        .pbx-icon.caller { background: linear-gradient(135deg, var(--bronze-400), var(--bronze-600)); }
        .pbx-icon.pbx { background: linear-gradient(135deg, var(--cyan), #0891B2); }
        .pbx-icon.ai { background: linear-gradient(135deg, var(--violet), #6D28D9); animation: pulse 2s ease-in-out infinite; }
        .pbx-icon.agent { background: linear-gradient(135deg, var(--emerald), #059669); }
        @keyframes pulse { 0%, 100% { box-shadow: 0 16px 40px rgba(139, 92, 246, 0.3); } 50% { box-shadow: 0 16px 40px rgba(139, 92, 246, 0.5), 0 0 0 8px rgba(139, 92, 246, 0.15); } }
        .pbx-icon svg { width: 32px; height: 32px; color: white; }
        .pbx-label { font-size: 12px; font-weight: 700; color: rgba(255, 255, 255, 0.8); text-transform: uppercase; letter-spacing: 0.05em; }
        .pbx-connector { display: flex; align-items: center; gap: 8px; }
        .connector-line { width: 40px; height: 3px; background: linear-gradient(90deg, var(--bronze-400), var(--cyan)); border-radius: 2px; position: relative; }
        .connector-line::after { content: ""; position: absolute; right: -4px; top: 50%; transform: translateY(-50%); width: 0; height: 0; border-left: 8px solid var(--cyan); border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
        .connector-line.cyan-violet { background: linear-gradient(90deg, var(--cyan), var(--violet)); }
        .connector-line.cyan-violet::after { border-left-color: var(--violet); }
        .connector-line.violet-emerald { background: linear-gradient(90deg, var(--violet), var(--emerald)); }
        .connector-line.violet-emerald::after { border-left-color: var(--emerald); }
        .pbx-status-badges { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; gap: 12px; }
        .status-badge { display: flex; align-items: center; gap: 6px; padding: 8px 14px; background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 100px; font-size: 11px; font-weight: 700; color: rgba(255, 255, 255, 0.9); }
        .status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--emerald); animation: blink 2s ease-in-out infinite; }
        @keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

        /* ARTICLE CONTENT */
        .blog-content { padding: 80px 0; }
        .article-body { font-size: 17px; line-height: 1.8; color: var(--gray-700); }
        .article-body p { margin-bottom: 24px; }
        .article-body h2 { font-family: var(--font-serif); font-size: 32px; font-weight: 400; color: var(--gray-900); margin: 56px 0 24px; line-height: 1.3; }
        .article-body h3 { font-size: 22px; font-weight: 700; color: var(--gray-900); margin: 40px 0 16px; }
        .article-body h4 { font-size: 18px; font-weight: 700; color: var(--gray-900); margin: 32px 0 12px; }
        .article-body strong { color: var(--gray-900); }
        .article-body a { color: var(--bronze-600); text-decoration: underline; text-underline-offset: 2px; }
        .article-body a:hover { color: var(--bronze-700); }
        .article-body ul, .article-body ol { margin: 24px 0; padding-left: 24px; }
        .article-body li { margin-bottom: 12px; }

        /* TOC */
        .toc { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 16px; padding: 24px; margin: 40px 0; }
        .toc-title { font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--gray-500); margin-bottom: 16px; }
        .toc-list { list-style: none; padding: 0; margin: 0; }
        .toc-list li { margin-bottom: 8px; }
        .toc-list a { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--gray-700); text-decoration: none; padding: 8px 12px; border-radius: 8px; transition: all 0.2s; }
        .toc-list a:hover { background: var(--white); color: var(--bronze-600); }
        .toc-list a::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gray-300); transition: background 0.2s; }
        .toc-list a:hover::before { background: var(--bronze-500); }

        /* TABLES */
        .tech-spec-table { width: 100%; border-collapse: collapse; margin: 32px 0; font-size: 14px; border-radius: 12px; overflow: hidden; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1); }
        .tech-spec-table thead { background: linear-gradient(135deg, var(--gray-900), var(--gray-800)); }
        .tech-spec-table th { padding: 14px 16px; text-align: left; font-weight: 700; color: white; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
        .tech-spec-table td { padding: 14px 16px; border-bottom: 1px solid var(--gray-100); color: var(--gray-700); }
        .tech-spec-table tbody tr:hover { background: var(--gray-50); }
        .tech-spec-table tbody tr:last-child td { border-bottom: none; }
        .tech-spec-table code { font-family: var(--font-mono); font-size: 13px; padding: 3px 8px; background: var(--gray-100); border-radius: 4px; color: var(--cyan); }

        /* CODE BLOCKS */
        .code-block { margin: 28px 0; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1); }
        .code-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; background: var(--gray-800); border-bottom: 1px solid var(--gray-700); }
        .code-filename { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 13px; font-weight: 500; color: var(--gray-300); }
        .code-filename svg { width: 16px; height: 16px; color: var(--cyan); }
        .code-language { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 4px 10px; background: rgba(6, 182, 212, 0.15); border-radius: 100px; color: var(--cyan); }
        .code-content { background: var(--gray-900); padding: 20px; overflow-x: auto; }
        .code-content pre { margin: 0; font-family: var(--font-mono); font-size: 13px; line-height: 1.7; color: var(--gray-300); }
        .code-content .comment { color: var(--gray-500); }
        .code-content .keyword { color: var(--violet); }
        .code-content .string { color: var(--emerald); }
        .code-content .property { color: var(--cyan); }
        .code-content .value { color: var(--orange); }

        /* INFRASTRUCTURE CARDS */
        .infrastructure-section { margin: 48px 0; }
        .infrastructure-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
        .infra-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: 16px; padding: 24px; transition: all 0.3s ease; }
        .infra-card:hover { border-color: var(--gray-300); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06); }
        .infra-card-header { display: flex; align-items: center; gap: 14px; }
        .infra-card-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; }
        .infra-card-icon.ip { background: rgba(139, 92, 246, 0.12); color: var(--violet); }
        .infra-card-icon svg { width: 24px; height: 24px; }
        .infra-card-title { font-size: 14px; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
        .infra-card-value { font-family: var(--font-mono); font-size: 15px; font-weight: 600; color: var(--gray-700); }

        /* STEPS */
        .steps-section { margin: 48px 0; }
        .step-item { display: flex; align-items: center; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--gray-100); }
        .step-item:last-child { border-bottom: none; }
        .step-number { width: 40px; height: 40px; background: linear-gradient(135deg, var(--bronze-500), var(--bronze-700)); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 800; color: white; flex-shrink: 0; }
        .step-content { flex: 1; min-width: 0; }
        .step-content h4 { font-size: 17px; font-weight: 700; color: var(--gray-900); margin: 0 0 8px; }
        .step-content p { font-size: 15px; color: var(--gray-600); line-height: 1.6; margin: 0; }

        /* CALLOUT */
        .callout { background: linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(6, 182, 212, 0.04)); border: 1px solid rgba(6, 182, 212, 0.2); border-radius: 16px; padding: 28px 32px; margin: 40px 0; }
        .callout.warning { background: linear-gradient(135deg, rgba(249, 115, 22, 0.08), rgba(249, 115, 22, 0.04)); border-color: rgba(249, 115, 22, 0.2); }
        .callout.success { background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(16, 185, 129, 0.04)); border-color: rgba(16, 185, 129, 0.2); }
        .callout.bronze { background: linear-gradient(135deg, rgba(99,102,241, 0.08), rgba(99,102,241, 0.04)); border: 1px solid rgba(99,102,241, 0.2); }
        .callout-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--cyan), #0891B2); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
        .callout.warning .callout-icon { background: linear-gradient(135deg, var(--orange), #EA580C); }
        .callout.success .callout-icon { background: linear-gradient(135deg, var(--emerald), #059669); }
        .callout.bronze .callout-icon { background: linear-gradient(135deg, var(--bronze-500), var(--bronze-700)); }
        .callout-icon svg { width: 22px; height: 22px; color: white; }
        .callout-title { font-size: 18px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
        .callout-text { font-size: 15px; color: var(--gray-600); line-height: 1.7; margin: 0; }

        /* NAT CONFIG */
        .nat-config-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 32px 0; }
        .nat-card { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 12px; padding: 20px; }
        .nat-card-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .nat-card-icon { width: 28px; height: 28px; background: var(--cyan); border-radius: 6px; display: flex; align-items: center; justify-content: center; }
        .nat-card-icon svg { width: 14px; height: 14px; color: white; }
        .nat-card-title { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--gray-900); }
        .nat-card-desc { font-size: 13px; color: var(--gray-600); line-height: 1.5; }

        /* IVR FLOW */
        .ivr-flow-section { margin: 48px 0; padding: 40px; background: linear-gradient(135deg, var(--gray-900), var(--gray-800)); border-radius: 20px; }
        .ivr-flow-title { text-align: center; font-size: 24px; font-weight: 700; color: white; margin-bottom: 32px; }
        .ivr-flow-diagram { display: flex; align-items: center; justify-content: center; gap: 24px; flex-wrap: wrap; }
        .ivr-flow-node { display: flex; flex-direction: column; align-items: center; gap: 12px; }
        .ivr-flow-icon { width: 64px; height: 64px; border-radius: 16px; display: flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.12); }
        .ivr-flow-icon.active { background: linear-gradient(135deg, var(--bronze-500), var(--bronze-700)); border-color: transparent; box-shadow: 0 8px 24px rgba(99,102,241, 0.3); }
        .ivr-flow-icon svg { width: 28px; height: 28px; color: white; }
        .ivr-flow-label { font-size: 12px; font-weight: 600; color: rgba(255, 255, 255, 0.8); text-align: center; }
        .ivr-flow-arrow { color: var(--bronze-400); }
        .ivr-flow-arrow svg { width: 24px; height: 24px; }

        /* ROUTING TABLE */
        .routing-table { width: 100%; border-collapse: collapse; margin: 32px 0; font-size: 14px; border-radius: 12px; overflow: hidden; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1); }
        .routing-table thead { background: linear-gradient(135deg, var(--violet), #6D28D9); }
        .routing-table th { padding: 14px 16px; text-align: left; font-weight: 700; color: white; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
        .routing-table td { padding: 14px 16px; border-bottom: 1px solid var(--gray-100); color: var(--gray-700); }
        .routing-table tbody tr:hover { background: var(--gray-50); }
        .routing-table tbody tr:last-child td { border-bottom: none; }
        .routing-table .priority-badge { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 8px; font-size: 13px; font-weight: 700; color: white; }
        .priority-badge.p1 { background: var(--red); }
        .priority-badge.p2 { background: var(--orange); }
        .priority-badge.p3 { background: var(--bronze-500); }
        .priority-badge.p4 { background: var(--cyan); }
        .priority-badge.p5 { background: var(--emerald); }

        /* TROUBLESHOOTING */
        .troubleshooting-section { margin: 48px 0; }
        .troubleshooting-item { background: var(--white); border: 1px solid var(--gray-200); border-radius: 12px; margin-bottom: 12px; overflow: hidden; }
        .troubleshooting-header { display: flex; align-items: center; gap: 12px; padding: 16px 20px; background: var(--gray-50); cursor: pointer; transition: background 0.2s; }
        .troubleshooting-header:hover { background: var(--gray-100); }
        .troubleshooting-icon { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; background: rgba(239, 68, 68, 0.12); color: var(--red); flex-shrink: 0; }
        .troubleshooting-icon svg { width: 16px; height: 16px; }
        .troubleshooting-issue { flex: 1; font-size: 15px; font-weight: 600; color: var(--gray-900); }
        .troubleshooting-toggle svg { width: 18px; height: 18px; color: var(--gray-400); transition: transform 0.2s; }
        .troubleshooting-item.open .troubleshooting-toggle svg { transform: rotate(180deg); }
        .troubleshooting-body { display: none; padding: 20px; border-top: 1px solid var(--gray-100); }
        .troubleshooting-item.open .troubleshooting-body { display: block; }
        .troubleshooting-row { display: grid; grid-template-columns: 100px 1fr; gap: 12px; margin-bottom: 12px; }
        .troubleshooting-row:last-child { margin-bottom: 0; }
        .troubleshooting-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--gray-500); }
        .troubleshooting-value { font-size: 14px; color: var(--gray-700); line-height: 1.5; }

        /* CHECKLIST */
        .checklist-section { margin: 48px 0; padding: 32px; background: var(--gray-50); border-radius: 16px; }
        .checklist-title { font-size: 20px; font-weight: 700; color: var(--gray-900); margin-bottom: 24px; }
        .checklist-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .checklist-item { display: flex; align-items: flex-start; gap: 12px; padding: 12px; background: var(--white); border: 1px solid var(--gray-200); border-radius: 10px; transition: all 0.2s; }
        .checklist-item:hover { border-color: var(--emerald); background: rgba(16, 185, 129, 0.04); }
        .checklist-checkbox { width: 20px; height: 20px; border: 2px solid var(--gray-300); border-radius: 5px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: all 0.2s; }
        .checklist-item:hover .checklist-checkbox { border-color: var(--emerald); }
        .checklist-checkbox svg { width: 12px; height: 12px; color: var(--emerald); opacity: 0; transition: opacity 0.2s; }
        .checklist-item:hover .checklist-checkbox svg { opacity: 0.5; }
        .checklist-text { font-size: 13px; color: var(--gray-700); line-height: 1.4; }

        /* WORKFLOW */
        .workflow-section { margin: 48px 0; padding: 40px; background: linear-gradient(135deg, var(--bronze-100), var(--cream-50)); border: 1px solid var(--bronze-200); border-radius: 20px; }
        .workflow-title { font-size: 22px; font-weight: 700; color: var(--gray-900); margin-bottom: 32px; text-align: center; }
        .workflow-steps { display: flex; align-items: flex-start; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .workflow-step { display: flex; flex-direction: column; align-items: center; text-align: center; max-width: 180px; }
        .workflow-step-icon { width: 64px; height: 64px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; color: white; }
        .workflow-step-icon.step1 { background: linear-gradient(135deg, var(--cyan), #0891B2); }
        .workflow-step-icon.step2 { background: linear-gradient(135deg, var(--bronze-500), var(--bronze-700)); }
        .workflow-step-icon.step3 { background: linear-gradient(135deg, var(--violet), #6D28D9); }
        .workflow-step-icon.step4 { background: linear-gradient(135deg, var(--emerald), #059669); }
        .workflow-step-icon svg { width: 28px; height: 28px; }
        .workflow-step-title { font-size: 14px; font-weight: 700; color: var(--gray-900); margin-bottom: 6px; }
        .workflow-step-desc { font-size: 13px; color: var(--gray-600); line-height: 1.4; }
        .workflow-arrow { display: flex; align-items: center; padding-top: 20px; color: var(--bronze-400); }
        .workflow-arrow svg { width: 24px; height: 24px; }

        /* ARTICLE FOOTER */
        .article-footer { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--gray-200); }
        .article-tags { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 32px; }
        .article-tags-label { font-size: 13px; font-weight: 600; color: var(--gray-500); }
        .article-tag { padding: 6px 14px; background: var(--gray-100); border-radius: 100px; font-size: 13px; font-weight: 500; color: var(--gray-600); transition: all 0.2s; }
        .article-tag:hover { background: var(--gray-200); color: var(--gray-900); }
        .article-share { display: flex; align-items: center; justify-content: space-between; padding: 24px; background: var(--gray-50); border-radius: 16px; }
        .article-share-text { font-size: 15px; font-weight: 600; color: var(--gray-900); }
        .share-buttons { display: flex; gap: 10px; }
        .share-btn { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: var(--white); border: 1px solid var(--gray-200); color: var(--gray-600); transition: all 0.2s; cursor: pointer; }
        .share-btn:hover { border-color: var(--bronze-300); color: var(--bronze-600); background: var(--bronze-100); }
        .share-btn svg { width: 18px; height: 18px; }

        /* CTA */
        .blog-cta { margin: 80px 0; background: linear-gradient(135deg, var(--cyan), #0891B2); border-radius: 24px; padding: 60px; text-align: center; position: relative; overflow: hidden; }
        .blog-cta::before { content: ""; position: absolute; top: -50%; right: -20%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 60%); pointer-events: none; }
        .blog-cta-title { font-family: var(--font-serif); font-size: 32px; color: white; margin-bottom: 12px; position: relative; }
        .blog-cta-text { font-size: 17px; color: rgba(255,255,255,0.85); margin-bottom: 28px; max-width: 500px; margin-left: auto; margin-right: auto; position: relative; }
        .blog-cta-actions { display: flex; justify-content: center; gap: 16px; position: relative; }

        /* RELATED */
        .related-section { padding: 80px 0; background: var(--gray-50); }
        .related-header { text-align: center; margin-bottom: 48px; }
        .related-title { font-size: 28px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
        .related-subtitle { font-size: 15px; color: var(--gray-500); }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .related-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: 16px; overflow: hidden; transition: all 0.3s ease; }
        .related-card:hover { border-color: var(--gray-300); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08); transform: translateY(-4px); }
        .related-card-image { height: 200px; position: relative; overflow: hidden; border-radius: 16px 16px 0 0; }
        .related-card-body { padding: 24px; }
        .related-card-category { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--bronze-600); margin-bottom: 10px; }
        .related-card-title { font-size: 17px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; line-height: 1.4; }
        .related-card-meta { font-size: 13px; color: var(--gray-500); }

        /* Rich Thumbnail Backgrounds */
        .related-card-image.thumb-voice-ai { background: linear-gradient(135deg, #1a1f2e 0%, #0f1318 100%); }
        .related-card-image.thumb-wait-times { background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); }
        .related-card-image.thumb-multichannel { background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%); }

        /* Thumb Content Positioning */
        .related-card-image .thumb-content { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; padding: 20px; }
        .related-card-image.thumb-voice-ai .thumb-content { flex-direction: column; }

        /* Voice AI Thumbnail */
        .related-card-image .voice-wave-display { display: flex; align-items: center; justify-content: center; gap: 3px; height: 60px; margin-bottom: 12px; }
        .related-card-image .voice-bar { width: 5px; background: linear-gradient(180deg, var(--bronze-400), var(--bronze-600)); border-radius: 3px; animation: voiceWave 1.2s ease-in-out infinite; }
        .related-card-image .voice-bar:nth-child(1) { height: 16px; animation-delay: 0s; }
        .related-card-image .voice-bar:nth-child(2) { height: 28px; animation-delay: 0.1s; }
        .related-card-image .voice-bar:nth-child(3) { height: 40px; animation-delay: 0.2s; }
        .related-card-image .voice-bar:nth-child(4) { height: 55px; animation-delay: 0.3s; }
        .related-card-image .voice-bar:nth-child(5) { height: 44px; animation-delay: 0.4s; }
        .related-card-image .voice-bar:nth-child(6) { height: 32px; animation-delay: 0.5s; }
        .related-card-image .voice-bar:nth-child(7) { height: 48px; animation-delay: 0.6s; }
        .related-card-image .voice-bar:nth-child(8) { height: 36px; animation-delay: 0.7s; }
        .related-card-image .voice-bar:nth-child(9) { height: 24px; animation-delay: 0.8s; }
        @keyframes voiceWave { 0%, 100% { transform: scaleY(1); opacity: 0.7; } 50% { transform: scaleY(1.4); opacity: 1; } }
        .related-card-image .voice-ai-badge { display: flex; align-items: center; gap: 6px; padding: 6px 12px; background: rgba(99,102,241, 0.15); border: 1px solid rgba(99,102,241, 0.3); border-radius: 100px; }
        .related-card-image .voice-ai-badge .pulse-dot { width: 6px; height: 6px; background: var(--bronze-400); border-radius: 50%; animation: pulseDot 2s ease-in-out infinite; }
        @keyframes pulseDot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.8); } }
        .related-card-image .voice-ai-badge span { font-size: 10px; font-weight: 700; color: var(--bronze-400); text-transform: uppercase; letter-spacing: 0.05em; }

        /* Wait Times Thumbnail */
        .related-card-image .time-comparison { display: flex; align-items: center; gap: 12px; transform: scale(0.85); }
        .related-card-image .time-card { text-align: center; padding: 12px 14px; border-radius: 12px; min-width: 80px; }
        .related-card-image .time-card.before { background: rgba(239, 68, 68, 0.15); border: 1px solid rgba(239, 68, 68, 0.3); }
        .related-card-image .time-card.after { background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.3); }
        .related-card-image .time-label { font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
        .related-card-image .time-card.before .time-label { color: #F87171; }
        .related-card-image .time-card.after .time-label { color: #34D399; }
        .related-card-image .time-value { font-size: 22px; font-weight: 800; color: white; line-height: 1; }
        .related-card-image .time-unit { font-size: 9px; color: rgba(255, 255, 255, 0.6); margin-top: 3px; }
        .related-card-image .time-arrow { display: flex; flex-direction: column; align-items: center; gap: 3px; }
        .related-card-image .time-arrow svg { width: 20px; height: 20px; color: var(--bronze-400); }
        .related-card-image .time-arrow span { font-size: 10px; font-weight: 800; color: #34D399; }

        /* Multi-Channel Thumbnail */
        .related-card-image .channels-hub { position: relative; width: 160px; height: 160px; }
        .related-card-image .hub-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 50px; height: 50px; background: linear-gradient(135deg, var(--bronze-400), var(--bronze-600)); border-radius: 12px; display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 24px rgba(99,102,241, 0.4); z-index: 2; }
        .related-card-image .hub-center svg { width: 24px; height: 24px; color: white; }
        .related-card-image .channel-node { position: absolute; width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2); }
        .related-card-image .channel-node svg { width: 18px; height: 18px; color: white; }
        .related-card-image .channel-node.voice { top: 8px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--bronze-500), var(--bronze-700)); }
        .related-card-image .channel-node.whatsapp { top: 50%; right: 8px; transform: translateY(-50%); background: linear-gradient(135deg, #25D366, #128C7E); }
        .related-card-image .channel-node.email { bottom: 8px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, #3B82F6, #1D4ED8); }
        .related-card-image .channel-node.chat { top: 50%; left: 8px; transform: translateY(-50%); background: linear-gradient(135deg, #8B5CF6, #6D28D9); }
        .related-card-image .hub-connector { position: absolute; top: 50%; left: 50%; width: 45px; height: 2px; background: linear-gradient(90deg, rgba(99,102,241, 0.6), rgba(99,102,241, 0.1)); transform-origin: left center; }
        .related-card-image .hub-connector.top { transform: translate(-50%, -50%) rotate(-90deg) translateX(-22px); }
        .related-card-image .hub-connector.right { transform: translate(-50%, -50%) rotate(0deg) translateX(22px); }
        .related-card-image .hub-connector.bottom { transform: translate(-50%, -50%) rotate(90deg) translateX(-22px); }
        .related-card-image .hub-connector.left { transform: translate(-50%, -50%) rotate(180deg) translateX(22px); }

        /* FOOTER */
        .footer { background: var(--gray-950); color: white; padding: 80px 0 32px; }

        .footer .container { max-width: 1600px; }
        .footer-top { display: grid; grid-template-columns: 1.3fr 2fr; gap: 48px; padding-bottom: 60px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
        .footer-brand { max-width: 340px; }
        .footer-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 600; margin-bottom: 20px; }
        .footer-logo-mark { width: 36px; height: 36px; background: linear-gradient(135deg, var(--bronze-600), var(--bronze-800)); border-radius: 10px; display: flex; align-items: center; justify-content: center; }
        .footer-logo-mark svg { width: 18px; height: 18px; color: white; }
        .footer-desc { font-size: 15px; color: var(--gray-400); line-height: 1.7; margin-bottom: 28px; }
        .footer-newsletter { background: rgba(255, 255, 255, 0.04); border-radius: 12px; padding: 20px; margin-bottom: 28px; }
        .footer-newsletter-title { font-size: 14px; font-weight: 600; color: white; margin-bottom: 12px; }
        .footer-newsletter-form { display: flex; gap: 8px; }
        .footer-newsletter-input { flex: 1; padding: 10px 14px; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 8px; font-size: 14px; color: white; outline: none; transition: all 0.2s; }
        .footer-newsletter-input::placeholder { color: var(--gray-500); }
        .footer-newsletter-input:focus { border-color: var(--bronze-500); background: rgba(255, 255, 255, 0.08); }
        .footer-newsletter-btn { padding: 10px 18px; background: var(--bronze-700); border: none; border-radius: 8px; font-size: 14px; font-weight: 500; color: white; cursor: pointer; transition: all 0.2s; }
        .footer-newsletter-btn:hover { background: var(--bronze-600); }
        .footer-social { display: flex; gap: 10px; }
        .social-link { width: 40px; height: 40px; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.06); border-radius: 10px; display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
        .social-link:hover { background: var(--bronze-700); border-color: var(--bronze-600); }
        .social-link svg { width: 18px; height: 18px; color: var(--gray-400); }
        .social-link:hover svg { color: white; }
        .footer-links-grid { display: grid; grid-template-columns: minmax(120px, 1fr) minmax(180px, 1.5fr) minmax(130px, 1.2fr) minmax(130px, 1.2fr) minmax(130px, 1.2fr); gap: 20px; }
        .footer-column h4 { font-size: 13px; font-weight: 600; letter-spacing: 0.05em; color: white; margin-bottom: 20px; 
            white-space: nowrap;
        }
        .footer-links { display: flex; flex-direction: column; gap: 12px; }
        .footer-link { font-size: 14px; color: var(--gray-400); transition: all 0.2s; display: flex; align-items: center; gap: 6px; }
        .footer-link:hover { color: white; transform: translateX(2px); }
        .footer-link-badge { padding: 2px 6px; background: var(--emerald); border-radius: 4px; font-size: 9px; font-weight: 600; color: white; text-transform: uppercase; }
        .footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 32px; flex-wrap: wrap; gap: 16px; }
        .footer-copyright { font-size: 14px; color: var(--gray-500); }
        .footer-legal { display: flex; gap: 24px; flex-wrap: wrap; }
        .footer-legal a { font-size: 14px; color: var(--gray-500); transition: color 0.2s; }
        .footer-legal a:hover { color: white; }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .infrastructure-grid, .nat-config-grid, .checklist-grid, .related-grid { grid-template-columns: 1fr; }
            .footer-top { grid-template-columns: 1fr; gap: 48px; }
            .footer-links-grid { grid-template-columns: minmax(120px, 1fr) minmax(180px, 1.5fr) minmax(130px, 1.2fr) minmax(130px, 1.2fr) minmax(130px, 1.2fr); }
            .pbx-visual { flex-direction: column; gap: 24px; }
            .pbx-connector { transform: rotate(90deg); }
            .workflow-steps { flex-direction: column; align-items: center; }
            .workflow-arrow { transform: rotate(90deg); padding: 8px 0; }
        }
        @media (max-width: 768px) {
            .blog-hero { padding: 40px 0 60px; }
            .blog-meta { gap: 16px; }
            .blog-cta { padding: 40px 24px; }
            .article-share { flex-direction: column; gap: 16px; text-align: center; }
            .share-buttons { justify-content: center; }
            .blog-featured-image { margin-top: -20px; }
            .blog-featured-image-inner { aspect-ratio: 16 / 10; }
            .callout { padding: 20px 24px; }
            .article-body h2 { font-size: 26px; margin: 40px 0 20px; }
            .ivr-flow-section { padding: 32px 20px; }
            .troubleshooting-row { grid-template-columns: 1fr; }
            .workflow-section { padding: 32px 20px; }
        }
        @media (max-width: 480px) {
            .blog-title { font-size: 28px; }
            .blog-excerpt { font-size: 16px; }
            .article-tags { gap: 8px; }
            .article-tag { padding: 5px 10px; font-size: 12px; }
        }
    
/* ── Nav wrapping fix for long translations ── */
#header .nav-link,
#header .nav-item > a {
  white-space: nowrap;
}
#header .nav {
  font-size: clamp(12px, 1.1vw, 15px);
  flex-wrap: nowrap;
}
#header .header-inner {
  flex-wrap: nowrap;
  align-items: center;
}
.header-actions {
  flex-shrink: 0;
  white-space: nowrap;
}