/* ===== NAVIGATION (canonical) ===== */
        nav {
            background: rgba(15, 23, 42, 0.8);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(139, 92, 246, 0.1);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            padding: 16px 0;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo-section {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: white;
            font-size: 22px;
            font-weight: 700;
        }

        .logo-svg { width: 60px; height: 60px; }

        .nav-links {
            display: flex;
            gap: 40px;
            list-style: none;
        }

        .nav-links a {
            color: #D1D5DB;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #EC4899;
        }

        .nav-cta {
            margin-left: 20px;
        }

        .gradient-button {
            background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 50%, #EC4899 100%);
            color: white;
            border: none;
            padding: 12px 32px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 15px;
        }

        .gradient-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 20px 40px rgba(59, 130, 246, 0.4);
        }

        .theme-toggle-btn {
            background: none;
            border: none;
            color: #E5E7EB;
            font-size: 1.3rem;
            cursor: pointer;
            transition: transform 0.3s ease;
            padding: 4px 8px;
            margin-right: 8px;
        }

        .theme-toggle-btn:hover {
            transform: rotate(20deg);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 25px;
            height: 3px;
            background: currentColor;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
                color: inherit;
            }

            .nav-links {
                display: none;
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: #0F172A;
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                border-bottom: 1px solid rgba(139, 92, 246, 0.3);
                z-index: 1000;
                list-style: none;
                box-shadow: 0 8px 20px rgba(0,0,0,0.3);
            }

            .nav-links.active {
                display: flex;
            }

            .nav-cta {
                margin-left: 0;
            }
        }

        /* Light theme nav overrides */
        html[data-theme="light"] nav {
            background: rgba(245, 243, 255, 0.95);
            border-bottom: 1px solid rgba(139, 92, 246, 0.2);
        }

        html[data-theme="light"] .nav-links a,
        html[data-theme="light"] .logo-section {
            color: #1E1B4B;
        }

        html[data-theme="light"] .nav-links a:hover {
            color: #7C3AED;
        }

        html[data-theme="light"] .theme-toggle-btn {
            color: #1E1B4B;
        }

        @media (max-width: 768px) {
            html[data-theme="light"] .nav-links {
                background: #FFFFFF;
                box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            }
        }

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

        :root {
            --bg-dark: #0F172A;
            --bg-darker: #1E1B4B;
            --color-blue: #3B82F6;
            --color-purple: #8B5CF6;
            --color-pink: #EC4899;
            --gold: #F59E0B;
            --text-light: #E5E7EB;
            --text-muted: #9CA3AF;
            --text-dim: #6B7280;
            --gradient: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 40%, #EC4899 100%);
        }

        html {
            background-color: #0F172A;
        }

        html[data-theme="light"] {
            --bg-dark: #F5F3FF;
            --bg-darker: #FFFFFF;
            --text-light: #1E1B4B;
            --text-muted: #6B7280;
            --text-dim: #6B7280;
            background-color: #F5F3FF;
        }

        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Navigation */
        nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(59, 130, 246, 0.2);
            padding: 1rem 2rem;
        }

        html[data-theme="light"] nav {
            background: rgba(245, 243, 255, 0.95);
            border-bottom: 1px solid rgba(139, 92, 246, 0.2);
        }

        nav-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.25rem;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo svg {
            width: 48px;
            height: 48px;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            align-items: center;
        }

        .nav-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-blue);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -0.5rem;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--gradient);
        }

        .theme-toggle {
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.25rem;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .theme-toggle:hover {
            transform: rotate(20deg);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 25px;
            height: 3px;
            background: currentColor;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
                color: inherit;
            }

            .nav-links {
                display: none;
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: inherit;
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                border-bottom: 1px solid rgba(139, 92, 246, 0.3);
                z-index: 1000;
            }

            .nav-links.active {
                display: flex;
            }
        }

        /* Hero Section */
        .hero {
            padding: 6rem 2rem;
            text-align: center;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(236, 72, 153, 0.1));
            border-bottom: 1px solid rgba(59, 130, 246, 0.2);
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        html[data-theme="light"] .hero h1 {
            background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 40%, #EC4899 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto;
        }

        /* Stats Banner */
        .stats-banner {
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(236, 72, 153, 0.2));
            padding: 3rem 2rem;
            border-top: 1px solid rgba(59, 130, 246, 0.2);
            border-bottom: 1px solid rgba(59, 130, 246, 0.2);
        }

        .stats-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .stat-item h3 {
            font-size: 2.5rem;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
        }

        .stat-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Case Studies Section */
        .case-studies-section {
            max-width: 1400px;
            margin: 0 auto;
            padding: 5rem 2rem;
        }

        .case-studies-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
        }

        .case-study-card {
            background: rgba(30, 27, 75, 0.4);
            border: 1px solid rgba(59, 130, 246, 0.3);
            border-radius: 1.5rem;
            padding: 3rem;
            backdrop-filter: blur(10px);
            transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
            opacity: 0;
            transform: translateY(30px);
        }

        html[data-theme="light"] .case-study-card {
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(139, 92, 246, 0.3);
        }

        .case-study-card:hover {
            transform: translateY(-10px);
            border-color: rgba(59, 130, 246, 0.6);
            box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
        }

        .case-study-card.fade-in {
            opacity: 1;
            transform: translateY(0);
        }

        .case-study-header {
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 2rem;
            align-items: start;
            margin-bottom: 2rem;
        }

        .case-study-logo {
            width: 120px;
            height: 120px;
            background: var(--gradient);
            border-radius: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            flex-shrink: 0;
        }

        .case-study-intro h3 {
            font-size: 1.75rem;
            margin-bottom: 0.5rem;
            color: var(--text-light);
        }

        .case-study-quote {
            color: var(--text-muted);
            font-style: italic;
            font-size: 1rem;
            margin-top: 0.75rem;
        }

        .case-study-content {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .case-study-section {
            background: rgba(59, 130, 246, 0.05);
            padding: 1.5rem;
            border-radius: 1rem;
            border: 1px solid rgba(59, 130, 246, 0.2);
        }

        .case-study-section h4 {
            font-size: 1.1rem;
            margin-bottom: 1rem;
            color: var(--color-blue);
            font-weight: 600;
        }

        .case-study-section p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .metric {
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(236, 72, 153, 0.1));
            padding: 1.5rem;
            border-radius: 1rem;
            text-align: center;
        }

        .metric-value {
            font-size: 2rem;
            font-weight: 800;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
        }

        .metric-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .download-button {
            display: inline-block;
            padding: 0.875rem 2rem;
            background: var(--gradient);
            color: white;
            text-decoration: none;
            border-radius: 0.75rem;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

        .download-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
        }

        /* Footer */
        footer {
            background: var(--bg-darker);
            border-top: 1px solid rgba(59, 130, 246, 0.2);
            padding: 3rem 2rem;
            margin-top: 5rem;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h4 {
            font-size: 1.1rem;
            margin-bottom: 1rem;
            color: var(--text-light);
        }

        .footer-section a {
            display: block;
            color: var(--text-muted);
            text-decoration: none;
            margin-bottom: 0.75rem;
            transition: color 0.3s ease;
            font-size: 0.95rem;
        }

        .footer-section a:hover {
            color: var(--color-blue);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(59, 130, 246, 0.2);
            color: var(--text-dim);
            font-size: 0.9rem;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }

        .footer-logo svg {
            width: 40px;
            height: 40px;
        }

        .footer-brand {
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 700;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .case-study-content,
            .metrics {
                grid-template-columns: 1fr;
            }

            .case-study-header {
                grid-template-columns: 1fr;
            }

            .stats-container {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }

            .nav-links {
                flex-wrap: wrap;
                gap: 1rem;
            }

            .case-study-card {
                padding: 1.5rem;
            }

            .stats-container {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .case-study-content {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .metrics {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }

        /* Cookie Consent Banner */
        .cookie-banner {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #1E1B4B;
            border-top: 1px solid rgba(139, 92, 246, 0.3);
            padding: 16px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            z-index: 9999;
            font-size: 14px;
            color: #E5E7EB;
            box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
        }

        .cookie-banner.hidden { display: none; }

        .cookie-banner p { margin: 0; flex: 1; line-height: 1.5; }

        .cookie-banner a { color: #8B5CF6; text-decoration: underline; }

        .cookie-banner-buttons { display: flex; gap: 10px; flex-shrink: 0; }

        .cookie-btn {
            padding: 8px 20px;
            border-radius: 6px;
            border: none;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            font-family: inherit;
            transition: all 0.2s ease;
        }

        .cookie-btn-accept {
            background: linear-gradient(135deg, #3B82F6, #8B5CF6);
            color: white;
        }

        .cookie-btn-decline {
            background: transparent;
            border: 1px solid rgba(139, 92, 246, 0.4);
            color: #E5E7EB;
        }

        .cookie-btn:hover { transform: translateY(-1px); }

        html[data-theme="light"] .cookie-banner {
            background: #FFFFFF;
            border-top: 1px solid rgba(139, 92, 246, 0.2);
            color: #1E1B4B;
            box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
        }

        html[data-theme="light"] .cookie-btn-decline {
            color: #1E1B4B;
            border-color: rgba(139, 92, 246, 0.3);
        }

        @media (max-width: 768px) {
            .cookie-banner {
                flex-direction: column;
                text-align: center;
                padding: 16px;
            }
            .cookie-banner-buttons { width: 100%; justify-content: center; }
        }

        /* Header fit on mobile (prevent horizontal overflow from nav-cta) */
        @media (max-width: 768px) {
            .logo-svg { width: 40px !important; height: 40px !important; }
            .logo-section { font-size: 17px; gap: 8px; }
            nav { padding: 10px 0; }
            .theme-toggle-btn { font-size: 1.1rem; margin-right: 4px; padding: 4px 6px; }
            .nav-cta { padding: 8px 12px !important; font-size: 12px !important; margin-left: 4px !important; }
        }
        @media (max-width: 480px) {
            .logo-section { font-size: 15px; }
            .logo-svg { width: 32px !important; height: 32px !important; }
            /* Keep login/CTA visible on tiny phones — previously hidden, users missed login entry */
            .nav-cta { display: inline-block !important; padding: 6px 10px !important; font-size: 11px !important; margin-left: 4px !important; white-space: nowrap; }
            .nav-container { gap: 6px; padding: 0 10px; }
        }