/* ============================================
           CSS VARIABLES — STONEWORTH BRAND
           ============================================ */
        :root {
            --navy: #0F172A;
            --navy-light: #1E293B;
            --navy-lighter: #334155;
            --blue-accent: #2563EB;
            --blue-hover: #3B82F6;
            --blue-glow: rgba(37, 99, 235, 0.15);
            --blue-glow-strong: rgba(37, 99, 235, 0.3);
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(148, 163, 184, 0.1);
            --border-medium: rgba(148, 163, 184, 0.15);
            --surface-card: rgba(30, 41, 59, 0.5);
            --font-display: 'Cormorant Garamond', Georgia, serif;
            --font-body: 'Outfit', system-ui, sans-serif;
            --max-width: 1200px;
            --section-pad: clamp(80px, 10vw, 140px);
        }

        /* ============================================
           RESET & BASE
           ============================================ */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        
        html { 
            scroll-behavior: smooth; 
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background: var(--navy);
            color: var(--text-secondary);
            line-height: 1.7;
            font-weight: 400;
            font-size: 16px;
            overflow-x: hidden;
        }

        /* Subtle grid texture overlay */
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background-image: 
                linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
            z-index: 0;
        }

        img { max-width: 100%; display: block; }
        a { color: var(--blue-accent); text-decoration: none; transition: color 0.2s; }
        a:hover { color: var(--blue-hover); }

        .container { 
            max-width: var(--max-width); 
            margin: 0 auto; 
            padding: 0 clamp(20px, 4vw, 40px); 
            position: relative;
            z-index: 1;
        }

        /* ============================================
           TYPOGRAPHY
           ============================================ */
        h1, h2, h3, h4 {
            font-family: var(--font-display);
            color: var(--text-primary);
            line-height: 1.15;
            font-weight: 600;
        }

        h1 { font-size: clamp(2.8rem, 6vw, 4.5rem); letter-spacing: -0.02em; }
        h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.01em; }
        h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }

        .label {
            font-family: var(--font-body);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--blue-accent);
        }

        /* ============================================
           NAVIGATION
           ============================================ */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 0 clamp(20px, 4vw, 40px);
            transition: background 0.3s, backdrop-filter 0.3s, box-shadow 0.3s;
        }

        .nav.scrolled {
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 1px 0 var(--border-subtle);
        }

        .nav-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0;
            text-decoration: none;
            color: var(--text-primary);
        }

        .nav-logo-text {
            font-family: var(--font-display);
            font-size: 1.15rem;
            font-weight: 600;
            letter-spacing: 0.18em;
            text-transform: uppercase;
        }

        .nav-logo-diamond {
            width: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--blue-accent);
            font-size: 0.6rem;
            margin: 0 6px;
        }

        .nav-logo-sub {
            font-family: var(--font-body);
            font-size: 0.7rem;
            font-weight: 500;
            letter-spacing: 0.22em;
            text-transform: uppercase;
            color: var(--blue-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
            list-style: none;
        }

        .nav-links a {
            font-family: var(--font-body);
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--text-secondary);
            text-decoration: none;
            letter-spacing: 0.02em;
            transition: color 0.2s;
        }

        .nav-links a:hover { color: var(--text-primary); }

        .nav-cta {
            font-size: 0.82rem !important;
            font-weight: 500 !important;
            color: var(--blue-accent) !important;
            border: 1px solid rgba(37, 99, 235, 0.3);
            padding: 8px 20px;
            border-radius: 6px;
            transition: all 0.2s !important;
        }

        .nav-cta:hover {
            background: var(--blue-glow);
            border-color: var(--blue-accent);
            color: var(--blue-hover) !important;
        }

        /* Mobile menu */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 8px;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: currentColor;
            margin: 5px 0;
            transition: all 0.3s;
        }

        /* ============================================
           BUTTONS
           ============================================ */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-body);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 14px 32px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            text-decoration: none;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--blue-accent);
            color: #fff;
            box-shadow: 0 0 0 0 var(--blue-glow);
        }

        .btn-primary:hover {
            background: var(--blue-hover);
            color: #fff;
            box-shadow: 0 0 30px var(--blue-glow-strong);
            transform: translateY(-1px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid var(--border-medium);
        }

        .btn-secondary:hover {
            color: var(--text-primary);
            border-color: var(--text-muted);
            background: rgba(255,255,255,0.03);
        }

        .btn-lg { padding: 18px 40px; font-size: 1rem; }

        /* ============================================
           HERO SECTION
           ============================================ */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            padding-top: 72px;
        }

        /* Radial glow behind hero */
        .hero::after {
            content: '';
            position: absolute;
            top: 20%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 600px;
            background: radial-gradient(ellipse, var(--blue-glow) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-label {
            margin-bottom: 24px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-label .diamond {
            color: var(--blue-accent);
            font-size: 0.55rem;
        }

        .hero h1 {
            margin-bottom: 24px;
        }

        .hero h1 em {
            font-style: italic;
            color: var(--blue-accent);
        }

        .hero-sub {
            font-size: clamp(1.05rem, 2vw, 1.2rem);
            color: var(--text-secondary);
            max-width: 580px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero-proof {
            margin-top: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-proof-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .hero-proof-item svg {
            width: 16px;
            height: 16px;
            color: var(--blue-accent);
            flex-shrink: 0;
        }

        /* ============================================
           DIVIDER
           ============================================ */
        .diamond-divider {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            padding: 20px 0;
        }

        .diamond-divider .line {
            width: 60px;
            height: 1px;
            background: var(--blue-accent);
        }

        .diamond-divider .diamond {
            width: 8px;
            height: 8px;
            background: var(--blue-accent);
            transform: rotate(45deg);
            margin: 0 12px;
            flex-shrink: 0;
        }

        /* ============================================
           FEATURED PRODUCT SECTION
           ============================================ */
        .featured {
            padding: var(--section-pad) 0;
        }

        .featured-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .featured-image {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            background: var(--navy-light);
            aspect-ratio: 16/10;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Mockup of the spreadsheet */
        .spreadsheet-mock {
            width: 100%;
            height: 100%;
            padding: 20px;
            display: flex;
            flex-direction: column;
        }

        .spreadsheet-mock .toolbar {
            display: flex;
            gap: 6px;
            margin-bottom: 12px;
        }

        .spreadsheet-mock .toolbar span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--navy-lighter);
        }

        .spreadsheet-mock .toolbar span:first-child { background: #ef4444; }
        .spreadsheet-mock .toolbar span:nth-child(2) { background: #eab308; }
        .spreadsheet-mock .toolbar span:nth-child(3) { background: #22c55e; }

        .spreadsheet-grid {
            flex: 1;
            display: grid;
            grid-template-columns: 100px repeat(6, 1fr);
            grid-template-rows: auto repeat(5, 1fr);
            gap: 1px;
            background: var(--border-subtle);
            border-radius: 4px;
            overflow: hidden;
            font-size: 0.65rem;
            font-family: var(--font-body);
        }

        .spreadsheet-grid .cell {
            background: var(--navy);
            padding: 6px 8px;
            display: flex;
            align-items: center;
            white-space: nowrap;
            overflow: hidden;
        }

        .spreadsheet-grid .cell.header {
            background: var(--navy-light);
            color: var(--text-muted);
            font-weight: 600;
            font-size: 0.6rem;
            letter-spacing: 0.05em;
        }

        .spreadsheet-grid .cell.label-cell {
            color: var(--text-secondary);
            font-weight: 500;
        }

        .spreadsheet-grid .cell.number {
            justify-content: flex-end;
            color: var(--text-muted);
            font-variant-numeric: tabular-nums;
        }

        .spreadsheet-grid .cell.positive { color: #22c55e; }
        .spreadsheet-grid .cell.negative { color: #ef4444; }
        .spreadsheet-grid .cell.highlight { color: var(--blue-accent); }

        .featured-content .label { margin-bottom: 16px; }
        .featured-content h2 { margin-bottom: 20px; }
        .featured-content p { margin-bottom: 24px; line-height: 1.8; }

        .featured-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-bottom: 32px;
        }

        .featured-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .featured-meta-item svg {
            width: 16px;
            height: 16px;
            color: var(--blue-accent);
        }

        .featured-price {
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin-bottom: 28px;
        }

        .featured-price .price {
            font-family: var(--font-display);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .featured-price .price-note {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ============================================
           VALUE PROPOSITIONS
           ============================================ */
        .values {
            padding: var(--section-pad) 0;
            border-top: 1px solid var(--border-subtle);
        }

        .values-header {
            text-align: center;
            max-width: 600px;
            margin: 0 auto 60px;
        }

        .values-header .label { margin-bottom: 16px; }
        .values-header h2 { margin-bottom: 16px; }

        .values-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .value-card {
            padding: 36px;
            border-radius: 12px;
            border: 1px solid var(--border-subtle);
            background: var(--surface-card);
            transition: border-color 0.3s, box-shadow 0.3s;
        }

        .value-card:hover {
            border-color: var(--border-medium);
            box-shadow: 0 8px 32px rgba(0,0,0,0.2);
        }

        .value-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--blue-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--blue-accent);
        }

        .value-card h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
        }

        .value-card p {
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ============================================
           WHO IT'S FOR SECTION
           ============================================ */
        .audience {
            padding: var(--section-pad) 0;
            border-top: 1px solid var(--border-subtle);
        }

        .audience-header {
            text-align: center;
            max-width: 600px;
            margin: 0 auto 60px;
        }

        .audience-header .label { margin-bottom: 16px; }
        .audience-header h2 { margin-bottom: 16px; }

        .audience-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .audience-card {
            display: flex;
            gap: 20px;
            padding: 28px;
            border-radius: 12px;
            border: 1px solid var(--border-subtle);
            background: var(--surface-card);
        }

        .audience-card .icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--blue-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--blue-accent);
            flex-shrink: 0;
        }

        .audience-card h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            font-family: var(--font-body);
            font-weight: 600;
        }

        .audience-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* ============================================
           CTA BANNER
           ============================================ */
        .cta-banner {
            padding: var(--section-pad) 0;
            border-top: 1px solid var(--border-subtle);
        }

        .cta-inner {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
            padding: 60px 40px;
            border-radius: 16px;
            border: 1px solid var(--border-medium);
            background: var(--surface-card);
            position: relative;
            overflow: hidden;
        }

        .cta-inner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 200px;
            background: radial-gradient(ellipse, var(--blue-glow) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-inner h2 {
            position: relative;
            margin-bottom: 16px;
        }

        .cta-inner p {
            position: relative;
            margin-bottom: 32px;
            font-size: 1.05rem;
        }

        .cta-inner .btn { position: relative; }

        /* ============================================
           FOOTER
           ============================================ */
        .footer {
            padding: 48px 0;
            border-top: 1px solid var(--border-subtle);
        }

        .footer-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0;
            color: var(--text-muted);
        }

        .footer-brand .nav-logo-text { font-size: 0.95rem; color: var(--text-muted); }
        .footer-brand .nav-logo-diamond { font-size: 0.5rem; }
        .footer-brand .nav-logo-sub { font-size: 0.6rem; }

        .footer-links {
            display: flex;
            gap: 28px;
            list-style: none;
        }

        .footer-links a {
            font-size: 0.82rem;
            color: var(--text-muted);
            transition: color 0.2s;
        }

        .footer-links a:hover { color: var(--text-secondary); }

        .footer-copy {
            width: 100%;
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
        }

        /* ============================================
           PRODUCT DETAIL PAGE (hidden by default)
           ============================================ */
        
        

        .product-hero {
            padding-top: calc(72px + 60px);
            padding-bottom: var(--section-pad);
        }

        .product-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: start;
        }

        .product-hero-content .label { margin-bottom: 16px; }
        .product-hero-content h1 { 
            font-size: clamp(2.2rem, 4vw, 3.2rem); 
            margin-bottom: 20px; 
        }
        .product-hero-content > p { margin-bottom: 24px; line-height: 1.8; }

        .product-includes {
            margin-bottom: 28px;
        }

        .product-includes h4 {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .includes-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .includes-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .includes-list li svg {
            width: 16px;
            height: 16px;
            color: var(--blue-accent);
            flex-shrink: 0;
        }

        .product-buy-box {
            padding: 32px;
            border-radius: 12px;
            border: 1px solid var(--border-medium);
            background: var(--surface-card);
            position: sticky;
            top: 96px;
        }

        .product-buy-box .price-row {
            display: flex;
            align-items: baseline;
            gap: 10px;
            margin-bottom: 8px;
        }

        .product-buy-box .price {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .product-buy-box .price-note {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .product-buy-box .buy-sub {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .product-buy-box .btn { width: 100%; justify-content: center; margin-bottom: 16px; }
        .product-buy-box .btn:last-child { margin-bottom: 0; }

        .buy-features {
            list-style: none;
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .buy-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .buy-features li svg {
            width: 14px;
            height: 14px;
            color: var(--blue-accent);
            flex-shrink: 0;
        }

        /* Product detail sections */
        .product-details {
            padding: var(--section-pad) 0;
            border-top: 1px solid var(--border-subtle);
        }

        .details-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 60px;
        }

        .details-header .label { margin-bottom: 16px; }
        .details-header h2 { margin-bottom: 16px; }

        .tabs-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 60px;
        }

        .tab-card {
            padding: 24px;
            border-radius: 10px;
            border: 1px solid var(--border-subtle);
            background: var(--surface-card);
        }

        .tab-card .tab-name {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .tab-card p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* How Scenarios Work */
        .scenario-section {
            padding: var(--section-pad) 0;
            border-top: 1px solid var(--border-subtle);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .scenario-content .label { margin-bottom: 16px; }
        .scenario-content h2 { margin-bottom: 20px; }
        .scenario-content p { margin-bottom: 16px; line-height: 1.8; }

        .scenario-visual {
            padding: 32px;
            border-radius: 12px;
            border: 1px solid var(--border-subtle);
            background: var(--surface-card);
        }

        .scenario-toggle {
            display: flex;
            gap: 8px;
            margin-bottom: 24px;
        }

        .scenario-toggle .toggle-btn {
            padding: 8px 20px;
            border-radius: 6px;
            border: 1px solid var(--border-subtle);
            background: transparent;
            color: var(--text-muted);
            font-family: var(--font-body);
            font-size: 0.82rem;
            cursor: pointer;
            transition: all 0.2s;
        }

        .scenario-toggle .toggle-btn.active {
            background: var(--blue-accent);
            color: #fff;
            border-color: var(--blue-accent);
        }

        .scenario-bars {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .scenario-bar {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .scenario-bar .bar-label {
            width: 80px;
            font-size: 0.78rem;
            color: var(--text-muted);
            text-align: right;
            flex-shrink: 0;
        }

        .scenario-bar .bar-track {
            flex: 1;
            height: 28px;
            background: var(--navy);
            border-radius: 4px;
            overflow: hidden;
            position: relative;
        }

        .scenario-bar .bar-fill {
            height: 100%;
            border-radius: 4px;
            transition: width 0.5s ease;
        }

        .scenario-bar .bar-value {
            width: 80px;
            font-size: 0.82rem;
            font-variant-numeric: tabular-nums;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-section {
            padding: var(--section-pad) 0;
            border-top: 1px solid var(--border-subtle);
        }

        .faq-header {
            text-align: center;
            max-width: 600px;
            margin: 0 auto 48px;
        }

        .faq-header .label { margin-bottom: 16px; }

        .faq-list {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-subtle);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            background: none;
            border: none;
            cursor: pointer;
            font-family: var(--font-body);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-primary);
            text-align: left;
        }

        .faq-question .plus {
            font-size: 1.2rem;
            color: var(--text-muted);
            transition: transform 0.3s;
        }

        .faq-item.open .faq-question .plus { transform: rotate(45deg); }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding-bottom: 20px;
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        .faq-item.open .faq-answer { max-height: 300px; }

        /* ============================================
           BLOG POST / ARTICLE
           ============================================ */
        .article-hero {
            padding-top: calc(72px + 60px);
            padding-bottom: 40px;
            max-width: 740px;
            margin: 0 auto;
        }

        .article-hero .label { margin-bottom: 16px; }
        .article-hero h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .article-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 32px;
        }

        .article-body {
            max-width: 740px;
            margin: 0 auto;
            padding-bottom: var(--section-pad);
        }

        .article-body p {
            font-size: 1rem;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .article-body h2 {
            font-size: 1.5rem;
            margin-top: 40px;
            margin-bottom: 16px;
        }

        .article-body h3 {
            font-size: 1.15rem;
            margin-top: 28px;
            margin-bottom: 12px;
            font-family: var(--font-body);
            font-weight: 600;
        }

        .article-body strong {
            color: var(--text-primary);
        }

        .article-body blockquote {
            border-left: 3px solid var(--blue-accent);
            padding-left: 20px;
            margin: 28px 0;
            font-style: italic;
            color: var(--text-muted);
        }

        .article-cta {
            margin-top: 48px;
            padding: 32px;
            border-radius: 12px;
            border: 1px solid var(--border-medium);
            background: var(--surface-card);
            text-align: center;
        }

        .article-cta h3 {
            margin-top: 0;
            font-family: var(--font-display);
            font-size: 1.4rem;
        }

        .article-cta p {
            font-size: 0.92rem !important;
            margin-bottom: 20px !important;
        }

        /* ============================================
           ABOUT PAGE
           ============================================ */
        .about-hero {
            padding-top: calc(72px + 60px);
            padding-bottom: var(--section-pad);
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .about-hero .label { margin-bottom: 16px; }
        .about-hero h1 {
            font-size: clamp(2.2rem, 4vw, 3.2rem);
            margin-bottom: 32px;
        }
        .about-hero p {
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        /* ============================================
           BLOG PAGE
           ============================================ */
        .blog-hero {
            padding-top: calc(72px + 60px);
            padding-bottom: 40px;
        }

        .blog-hero .label { margin-bottom: 16px; }
        .blog-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 16px; }

        .blog-grid {
            padding-bottom: var(--section-pad);
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 28px;
        }

        .blog-card {
            border: 1px solid var(--border-subtle);
            border-radius: 12px;
            padding: 32px;
            background: var(--surface-card);
            transition: border-color 0.3s;
        }

        .blog-card:hover { border-color: var(--border-medium); }

        .blog-card .blog-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .blog-card h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            font-family: var(--font-body);
            font-weight: 600;
        }

        .blog-card h3 a {
            color: var(--text-primary);
            text-decoration: none;
        }

        .blog-card h3 a:hover { color: var(--blue-accent); }

        .blog-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ============================================
           CONTACT PAGE
           ============================================ */
        .contact-hero {
            padding-top: calc(72px + 60px);
            padding-bottom: var(--section-pad);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
        }

        .contact-info .label { margin-bottom: 16px; }
        .contact-info h1 { 
            font-size: clamp(2rem, 4vw, 2.8rem); 
            margin-bottom: 20px; 
        }
        .contact-info > p { margin-bottom: 32px; line-height: 1.8; }

        .contact-method {
            display: flex;
            gap: 16px;
            margin-bottom: 24px;
        }

        .contact-method .icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--blue-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--blue-accent);
            flex-shrink: 0;
        }

        .contact-method h4 {
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.92rem;
            margin-bottom: 4px;
        }

        .contact-method p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* FAQ on contact page */
        .contact-faq h2 {
            font-size: 1.6rem;
            margin-bottom: 24px;
        }

        /* ============================================
           ANIMATIONS
           ============================================ */
        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .fade-up {
            opacity: 0;
            animation: fadeUp 0.7s ease forwards;
        }

        .fade-up-d1 { animation-delay: 0.1s; }
        .fade-up-d2 { animation-delay: 0.2s; }
        .fade-up-d3 { animation-delay: 0.3s; }
        .fade-up-d4 { animation-delay: 0.4s; }
        .fade-up-d5 { animation-delay: 0.5s; }

        /* ============================================
           RESPONSIVE
           ============================================ */
        @media (max-width: 900px) {
            .featured-grid,
            .product-hero-grid,
            .scenario-grid,
            .contact-grid {
                grid-template-columns: 1fr;
            }

            .values-grid {
                grid-template-columns: 1fr;
            }

            .audience-grid {
                grid-template-columns: 1fr;
            }

            .tabs-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .nav-links { display: none; }
            .nav-toggle { display: block; }

            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(15, 23, 42, 0.97);
                backdrop-filter: blur(20px);
                padding: 24px;
                gap: 16px;
                border-bottom: 1px solid var(--border-subtle);
            }

            .product-buy-box { position: static; }
        }

        @media (max-width: 480px) {
            .tabs-grid { grid-template-columns: 1fr; }
            .hero-proof { flex-direction: column; gap: 12px; }
        }