:root {
            --color-primary: #1DB868;
            --color-primary-dark: #169950;
            --color-primary-light: #E8FAF1;
            --color-accent: #FF6B35;
            --color-bg: #F7FBF9;
            --color-surface: #FFFFFF;
            --color-text: #1A1D1F;
            --color-text-muted: #6B7280;
            --color-border: #E2E8E4;

            --font-heading: 700;
            --font-body: 400;
            --font-size-base: 16px;
            --line-height-base: 1.6;

            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-full: 9999px;

            --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, .10);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);
        }

        [data-theme="blue"] {
            --color-primary: #2563EB;
            --color-primary-dark: #1D4ED8;
            --color-primary-light: #EFF6FF;
            --color-accent: #F59E0B;
            --color-bg: #F8FAFF;
            --color-surface: #FFFFFF;
            --color-text: #111827;
            --color-text-muted: #6B7280;
            --color-border: #DBEAFE;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: var(--font-size-base);
        }

        body {
            font-family: 'Inter', system-ui, sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: var(--line-height-base);
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

        button,
        input,
        select {
            font-family: inherit;
        }

        /* Layout */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        section {
            padding: 80px 0;
        }

        @media (max-width: 768px) {
            section {
                padding: 48px 0;
            }
        }

        /* Typography */
        h1,
        h2,
        h3,
        h4 {
            font-weight: var(--font-heading);
            line-height: 1.2;
            margin-bottom: 24px;
        }

        h1 {
            font-size: 40px;
        }

        h2 {
            font-size: 32px;
            text-align: center;
        }

        h3 {
            font-size: 22px;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 24px;
            }
        }

        .text-muted {
            color: var(--color-text-muted);
        }

        .text-center {
            text-align: center;
        }

        .text-sm {
            font-size: 13px;
            line-height: 1.4;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            padding: 14px 32px;
            font-weight: 700;
            font-size: 17px;
            cursor: pointer;
            transition: all 0.2s ease;
            text-align: center;
        }

        .btn:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
        }

        .btn.full {
            width: 100%;
        }

        /* Focus */
        :focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        /* Header */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-border);
            height: 64px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 24px;
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav-links a {
            font-weight: 500;
            transition: color 0.2s;
        }

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

        .menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--color-text);
        }

        @media (max-width: 768px) {
            .header {
                height: 56px;
            }

            .nav-links {
                display: none;
                position: fixed;
                top: 56px;
                left: 0;
                width: 100%;
                height: calc(100vh - 56px);
                background: var(--color-surface);
                flex-direction: column;
                padding: 40px 24px;
                gap: 24px;
                align-items: flex-start;
            }

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

            .nav-links .btn {
                width: 100%;
                margin-top: auto;
            }

            .menu-btn {
                display: block;
            }
        }

        /* Hero */
        .hero {
            background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-primary-light) 100%);
            position: relative;
            overflow: hidden;
            padding: 120px 0 80px;
        }

        .hero-decor {
            position: absolute;
            right: -10%;
            top: -10%;
            width: 50%;
            height: 120%;
            opacity: 0.5;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 480px;
            gap: 64px;
            align-items: center;
            position: relative;
            z-index: 10;
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-decor {
                display: none;
            }
        }

        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 32px;
            font-size: 14px;
            font-weight: 500;
        }

        .trust-badge {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary-dark);
        }

        /* Calculator Card */
        .calc-card {
            background: var(--color-surface);
            padding: 32px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }

        .calc-row {
            margin-bottom: 24px;
        }

        .calc-row-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .calc-val {
            color: var(--color-primary);
            font-size: 20px;
            font-weight: 700;
        }

        input[type=range] {
            width: 100%;
            -webkit-appearance: none;
            background: transparent;
            height: 32px;
        }

        input[type=range]::-webkit-slider-thumb {
            -webkit-appearance: none;
            height: 28px;
            width: 28px;
            border-radius: 50%;
            background: var(--color-primary);
            cursor: pointer;
            margin-top: -12px;
            box-shadow: var(--shadow-sm);
            border: 2px solid #fff;
        }

        input[type=range]::-webkit-slider-runnable-track {
            width: 100%;
            height: 6px;
            cursor: pointer;
            background: var(--color-border);
            border-radius: 4px;
        }

        .calc-summary {
            background: var(--color-bg);
            padding: 16px;
            border-radius: var(--radius-sm);
            margin-bottom: 24px;
            text-align: center;
        }

        .calc-total {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin: 8px 0;
        }

        /* Stats */
        .stats {
            display: flex;
            justify-content: center;
            gap: 64px;
            margin-top: 64px;
            flex-wrap: wrap;
        }

        .stat-item {
            text-align: center;
        }

        .stat-val {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        @media (max-width: 768px) {
            .stats {
                gap: 32px;
            }

            .stat-val {
                font-size: 28px;
            }
        }

        /* Why Us Grid */
        .why-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        @media (max-width: 1024px) {
            .why-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .why-grid {
                grid-template-columns: 1fr;
            }
        }

        .why-card {
            background: var(--color-surface);
            padding: 24px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
        }

        .why-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        /* How it works */
        .steps {
            display: flex;
            gap: 24px;
            justify-content: space-between;
            margin-top: 48px;
            position: relative;
        }

        .steps::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--color-primary-light);
            z-index: 0;
        }

        .step {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--color-bg);
        }

        .step-num {
            width: 64px;
            height: 64px;
            background: var(--color-primary);
            color: #fff;
            font-size: 24px;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            border: 4px solid var(--color-bg);
        }

        @media (max-width: 768px) {
            .steps {
                flex-direction: column;
                gap: 48px;
            }

            .steps::before {
                top: 0;
                left: 32px;
                width: 2px;
                height: 100%;
                border-left: 2px dashed var(--color-primary-light);
            }

            .step {
                display: flex;
                text-align: left;
                gap: 24px;
                background: transparent;
            }

            .step-num {
                margin: 0;
                flex-shrink: 0;
            }
        }

        /* Terms Table & Req */
        .terms-table-wrapper {
            overflow-x: auto;
            margin-top: 40px;
            margin-bottom: 24px;
        }

        .terms-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .terms-table th,
        .terms-table td {
            padding: 16px 24px;
            text-align: left;
            border-bottom: 1px solid var(--color-border);
        }

        .terms-table th {
            background: var(--color-primary-light);
            font-weight: 600;
        }

        .terms-example {
            background: var(--color-primary-light);
            padding: 24px;
            border-radius: var(--radius-md);
            margin-bottom: 24px;
            font-weight: 500;
        }

        .req-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            margin-top: 48px;
        }

        @media (max-width: 768px) {
            .req-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        .req-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 16px;
        }

        .req-list .lucide {
            color: var(--color-primary);
            flex-shrink: 0;
        }

        /* Payment */
        .pay-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 48px;
        }

        @media (max-width: 768px) {
            .pay-grid {
                grid-template-columns: 1fr;
            }
        }

        .pay-card {
            background: var(--color-surface);
            padding: 32px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            text-align: center;
        }

        .pay-icons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            margin-top: 24px;
        }

        .pay-icon {
            padding: 8px 16px;
            background: var(--color-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            font-weight: 500;
            font-size: 14px;
        }

        /* Apply Form */
        .apply-card {
            max-width: 560px;
            margin: 48px auto 0;
            background: var(--color-surface);
            padding: 40px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }

        @media (max-width: 768px) {
            .apply-card {
                padding: 24px;
            }
        }

        .form-group {
            margin-bottom: 24px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 14px 16px;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            font-size: 16px;
            transition: border 0.2s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-light);
        }

        .form-control.error {
            border-color: #ef4444;
        }

        .error-msg {
            color: #ef4444;
            font-size: 12px;
            margin-top: 4px;
            display: none;
        }

        .checkbox-group {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 16px;
            font-size: 14px;
        }

        .checkbox-group input {
            margin-top: 3px;
            width: 18px;
            height: 18px;
            accent-color: var(--color-primary);
        }

        .checkbox-group a {
            color: var(--color-primary);
            text-decoration: underline;
            cursor: pointer;
        }

        .apply-success {
            display: none;
            text-align: center;
            padding: 40px 0;
        }

        .apply-success .icon {
            width: 80px;
            height: 80px;
            color: var(--color-primary);
            margin: 0 auto 24px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 48px auto 0;
        }

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

        .faq-btn {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            background: none;
            border: none;
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            text-align: left;
        }

        .faq-btn .lucide {
            transition: transform 0.3s;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-item.active .faq-btn .lucide {
            transform: rotate(180deg);
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-content-inner {
            padding-bottom: 24px;
            color: var(--color-text-muted);
        }

        /* Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        @media (max-width: 1024px) {
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .reviews-grid {
                grid-template-columns: 1fr;
            }
        }

        .review-card {
            background: var(--color-surface);
            padding: 24px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
        }

        .review-header {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }

        .review-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
        }

        .stars {
            color: #F59E0B;
            margin-top: 4px;
            display: flex;
            gap: 2px;
        }

        .stars i.lucide-star {
            fill: currentColor;
            width: 14px;
            height: 14px;
        }

        .review-date {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-left: auto;
        }

        /* Contacts */
        .contact-inner {
            background: var(--color-surface);
            padding: 48px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-top: 48px;
        }

        @media (max-width: 768px) {
            .contact-inner {
                grid-template-columns: 1fr;
                padding: 24px;
                gap: 32px;
                text-align: center;
            }
        }

        .contact-item h3 {
            margin-bottom: 16px;
            font-size: 18px;
        }

        .contact-item a,
        .contact-item p {
            color: var(--color-text-muted);
            display: block;
            margin-bottom: 8px;
            font-size: 16px;
        }

        .social-links {
            display: flex;
            gap: 16px;
        }

        @media (max-width: 768px) {
            .social-links {
                justify-content: center;
            }
        }

        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            transition: all 0.2s;
        }

        .social-links a:hover {
            background: var(--color-primary);
            color: #fff;
        }

        /* Legal Acc */
        .legal-zone {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            padding: 40px 0;
        }

        .legal-zone h2 {
            font-size: 18px;
            color: var(--color-text-muted);
            text-align: left;
        }

        /* Footer */
        .footer {
            background: #1A1D1F;
            color: #fff;
            padding: 64px 0 32px;
        }

        .footer-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 32px;
            margin-bottom: 32px;
        }

        @media (max-width: 768px) {
            .footer-flex {
                flex-direction: column;
                gap: 24px;
                text-align: center;
            }
        }

        .footer-logo {
            color: #fff;
            font-size: 24px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-nav {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-nav a {
            opacity: 0.7;
            font-size: 14px;
            transition: opacity 0.2s;
        }

        .footer-nav a:hover {
            opacity: 1;
            text-decoration: underline;
        }

        .footer-bottom {
            text-align: center;
            font-size: 13px;
            opacity: 0.5;
        }

        /* Modal */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 16px;
        }

        .modal-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .modal-content {
            background: var(--color-surface);
            max-width: 640px;
            width: 100%;
            max-height: 80vh;
            border-radius: var(--radius-lg);
            padding: 32px;
            overflow-y: auto;
            position: relative;
            transform: translateY(20px);
            transition: transform 0.3s;
        }

        .modal-overlay.active .modal-content {
            transform: translateY(0);
        }

        .modal-close {
            position: absolute;
            top: 24px;
            right: 24px;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--color-text-muted);
        }

        .modal-body h3 {
            margin-bottom: 16px;
        }

        .modal-body p {
            margin-bottom: 12px;
            font-size: 14px;
            color: var(--color-text-muted);
        }

        /* Skip Link */
        .skip-link {
            position: absolute;
            top: -40px;
            left: 0;
            background: var(--color-primary);
            color: white;
            padding: 8px;
            z-index: 1000;
            transition: top 0.2s;
        }

        .skip-link:focus {
            top: 0;
        }

        /* Products */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 48px;
        }

        .product-card {
            background: var(--color-surface);
            padding: 32px 24px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            text-align: center;
            position: relative;
            transition: transform 0.2s, box-shadow 0.2s;
            display: flex;
            flex-direction: column;
        }

        .product-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary-light);
        }

        .product-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            white-space: nowrap;
            z-index: 2;
        }

        .product-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .product-rate {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 24px;
        }

        .product-rate span {
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text-muted);
        }

        .product-features {
            margin-bottom: 32px;
            text-align: left;
            flex-grow: 1;
            list-style: none;
            padding: 0;
        }

        .product-features li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 15px;
            color: var(--color-text-muted);
        }

        .product-features .lucide {
            color: var(--color-primary);
            flex-shrink: 0;
            width: 20px;
            height: 20px;
        }

        .product-card .btn {
            margin-top: auto;
        }

        /* Blog Snippet */
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        @media (max-width: 1024px) {
            .blog-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .blog-grid {
                grid-template-columns: 1fr;
            }
        }

        .blog-card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            display: block;
            transition: all 0.2s;
        }

        .blog-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
        }

        .blog-img {
            height: 180px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
        }

        .blog-content {
            padding: 24px;
        }

        .blog-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary-dark);
            background: var(--color-primary-light);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            margin-bottom: 12px;
        }

        .blog-title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .blog-meta {
            font-size: 14px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Mobile Promo */
        .mobile-promo {
            background: linear-gradient(135deg, #1A1D1F 0%, #2A2F33 100%);
            color: #fff;
            padding: 64px;
            border-radius: var(--radius-lg);
            margin: 80px 0;
            overflow: hidden;
            position: relative;
        }

        @media (max-width: 768px) {
            .mobile-promo {
                padding: 40px 24px;
                text-align: center;
            }
        }

        .promo-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        @media (max-width: 768px) {
            .promo-grid {
                grid-template-columns: 1fr;
            }
        }

        .promo-content h2 {
            text-align: left;
            color: #fff;
            margin-bottom: 16px;
            font-size: 32px;
        }

        @media (max-width: 768px) {
            .promo-content h2 {
                text-align: center;
            }
        }

        .promo-content p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 18px;
            margin-bottom: 32px;
        }

        .promo-buttons {
            display: flex;
            gap: 16px;
        }

        @media (max-width: 768px) {
            .promo-buttons {
                justify-content: center;
                flex-direction: column;
            }
        }

        .promo-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            transition: all 0.2s;
        }

        .promo-btn:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .promo-img {
            background: var(--color-primary);
            width: 260px;
            height: 500px;
            border-radius: 32px;
            margin: 0 auto;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            border: 8px solid #333;
            position: absolute;
            right: 0;
            top: -100px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        @media (max-width: 768px) {
            .promo-img {
                position: relative;
                top: 0;
                height: 300px;
                margin-top: 32px;
                display: none;
            }
        }

        /* Mobile Sticky CTA */
        .sticky-cta {
            position: fixed;
            bottom: -100px;
            left: 0;
            width: 100%;
            background: #ffffff;
            padding: 12px 16px;
            box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            transition: bottom 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            display: none;
        }

        .sticky-cta.visible {
            bottom: 0;
        }

        @media (max-width: 768px) {
            .sticky-cta {
                display: block;
            }
        }

        /* Button Loading State */
        .btn.loading {
            pointer-events: none;
            opacity: 0.8;
            position: relative;
            color: transparent !important;
        }

        .btn.loading::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            top: 50%;
            left: 50%;
            margin-top: -10px;
            margin-left: -10px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-top-color: #fff;
            border-radius: 50%;
            animation: btn-spin 1s infinite linear;
        }

        @keyframes btn-spin {
            100% {
                transform: rotate(360deg);
            }
        }

        /* Scrollspy Active */
        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nowrap-map {
            width: 100%;
            height: 300px;
            border-radius: 12px;
            overflow: hidden;
            margin-top: 20px;
            border: 1px solid #eaeaea;
        }


        /* Core Web Vitals optimizations: Content Visibility */
        #why,
        #how,
        #products,
        #blog,
        #faq,
        #reviews,
        #contacts,
        .footer {
            content-visibility: auto;
            contain-intrinsic-size: 1000px;
            /* Approximate height to prevent scrollbar jumping */
        }

        /* Core Web Vitals: Prevent CLS from Lucide icon rendering */
        i[data-lucide] {
            display: inline-block;
            width: 24px;
            height: 24px;
            vertical-align: middle;
        }