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

        :root {
            --green: #2E8B57;
            --green-dark: #236b45;
            --blue: #4682B4;
            --blue-dark: #356e96;
            --dark: #1e2a2a;
            --light: #f9fafb;
            --gray: #6c757d;
            --white: #ffffff;
            --whatsapp: #25D366;
        }

        body {
            font-family: 'Inter', sans-serif;
            color: var(--dark);
            background: var(--white);
            scroll-behavior: smooth;
            overflow-x: hidden;
        }

        /* ===== ANIMATIONS ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeInLeft {
            from {
                opacity: 0;
                transform: translateX(-30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes fadeInRight {
            from {
                opacity: 0;
                transform: translateX(30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes zoomIn {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }

        @keyframes pulseGlow {
            0% { box-shadow: 0 0 0 0 rgba(46,139,86,0.4); }
            70% { box-shadow: 0 0 0 15px rgba(46,139,86,0); }
            100% { box-shadow: 0 0 0 0 rgba(46,139,86,0); }
        }

        .animate-float {
            animation: float 4s ease-in-out infinite;
        }

        .pulse-animation {
            animation: pulseGlow 2s infinite;
        }

        /* Hover Animations */
        .hover-scale {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .hover-scale:hover {
            transform: scale(1.05);
        }

        .hover-lift {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .hover-lift:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 35px -12px rgba(0,0,0,0.15);
        }

        /* ===== SINGLE LINE NAVBAR ===== */
        .navbar {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            padding: 0.8rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 3px rgba(0,0,0,0.03);
            border-bottom: 1px solid rgba(46,139,86,0.1);
            transition: all 0.3s ease;
        }

        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .navbar-brand {
            flex-shrink: 0;
            padding-right: 5rem;
        }
        .navbar-brand img {
            height: 120px;
            width: auto;
            transition: transform 0.3s ease;
        }
        .navbar-brand:hover img {
            transform: scale(1.05);
        }

        .navbar-collapse {
            display: flex !important;
            align-items: center;
            justify-content: flex-end;
            flex-grow: 1;
        }

        .navbar-nav {
            display: flex;
            flex-direction: row;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-link {
            color: var(--dark);
            text-decoration: none;
            padding: 0.5rem 1rem;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.3s ease;
            border-radius: 40px;
            white-space: nowrap;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--green);
            background: rgba(46,139,86,0.05);
            transform: translateY(-2px);
        }

        .navbar-buttons {
            display: flex;
            gap: 0.75rem;
            align-items: center;
            flex-shrink: 0;
            margin-left: 1rem;
        }

        .btn-nav {
            padding: 0.5rem 1.2rem;
            border-radius: 40px;
            font-weight: 500;
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-outline {
            border: 1px solid var(--blue);
            color: var(--blue);
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--blue);
            color: white;
            transform: translateY(-2px);
        }

        .btn-solid {
            background: var(--green);
            color: white;
            border: none;
        }

        .btn-solid:hover {
            background: var(--green-dark);
            transform: translateY(-2px);
        }

        .navbar-toggler {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--green);
            cursor: pointer;
            transition: transform 0.3s ease;
        }
        .navbar-toggler:hover {
            transform: scale(1.1);
        }

        @media (max-width: 1100px) {
            .nav-link { padding: 0.5rem 0.8rem; font-size: 0.85rem; }
            .btn-nav { padding: 0.4rem 1rem; font-size: 0.85rem; }
            .navbar-brand { padding-right: 1rem; }
        }

        @media (max-width: 992px) {
            .navbar-toggler {
                display: block;
            }
            .navbar-collapse {
                display: none !important;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: 1rem;
                box-shadow: 0 10px 25px rgba(0,0,0,0.1);
                border-top: 1px solid #eee;
            }
            .navbar-collapse.show {
                display: flex !important;
                animation: fadeInUp 0.3s ease;
            }
            .navbar-nav {
                flex-direction: column;
                width: 100%;
                gap: 0.5rem;
            }
            .navbar-buttons {
                margin-left: 0;
                margin-top: 1rem;
                width: 100%;
                justify-content: center;
            }
            .nav-link {
                text-align: center;
            }
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #f0f7f4 0%, #e8f0f5 100%);
            margin-top: 65px;
            overflow: hidden;
        }

        .hero-left {
            animation: fadeInLeft 1s ease;
        }
        .hero-right {
            animation: fadeInRight 1s ease;
        }
        .hero-right img {
            animation: float 5s ease-in-out infinite;
        }

        .hero-left h1 {
            font-size: 3.5rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 1.2rem;
        }
        .hero-left .highlight { color: var(--green); }
        .hero-left p {
            font-size: 1.2rem;
            color: #4a5a6a;
            margin-bottom: 2rem;
            max-width: 550px;
        }
        .hero-right img {
            width: 100%;
            max-width: 550px;
            border-radius: 24px;
            box-shadow: 0 30px 50px -20px rgba(46,139,86,0.3);
        }
        .btn-hero {
            padding: 0.9rem 2.2rem;
            border-radius: 50px;
            font-weight: 600;
            display: inline-block;
            margin-right: 1rem;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .btn-hero-primary {
            background: var(--green);
            color: white;
        }
        .btn-hero-primary:hover {
            background: var(--green-dark);
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 10px 25px -8px var(--green);
        }
        .btn-hero-secondary {
            background: transparent;
            border: 2px solid var(--blue);
            color: var(--blue);
        }
        .btn-hero-secondary:hover {
            background: var(--blue);
            color: white;
            transform: translateY(-3px);
        }
        @media (max-width: 992px) {
            .hero-left { text-align: center; }
            .hero-left p { max-width: 100%; }
            .hero-right { margin-top: 2rem; text-align: center; }
            .hero-right img { max-width: 80%; }
            .hero-left h1 { font-size: 2.5rem; }
        }

        /* Stats */
        .stats {
            padding: 3rem 0;
            background: var(--white);
        }
        .stats-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2.5rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .stat-item {
            text-align: center;
            min-width: 130px;
            transition: all 0.3s ease;
            animation: zoomIn 0.6s ease;
        }
        .stat-item:hover {
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--green);
        }
        .stat-label {
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
        }
        .stat-desc {
            font-size: 0.75rem;
            color: var(--gray);
        }

        /* Section Titles */
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-title .tag {
            display: inline-block;
            background: rgba(46,139,86,0.1);
            color: var(--green);
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 1rem;
            animation: pulseGlow 2s infinite;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 600;
            position: relative;
            display: inline-block;
        }
        .section-title h2 span {
            color: var(--blue);
        }

        /* About Section */
        .about-section {
            padding: 5rem 0;
            background: var(--white);
        }
        .about-card {
            background: var(--white);
            border-radius: 32px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px -10px rgba(0,0,0,0.05);
            border: 1px solid #eef2f6;
            transition: all 0.4s ease;
            height: 100%;
            text-align: center;
        }
        .about-card:hover {
            border-color: var(--green);
            transform: translateY(-8px);
            box-shadow: 0 25px 40px -15px rgba(46,139,86,0.2);
        }
        .about-card img {
            width: 100%;
            max-width: 320px;
            border-radius: 20px;
            margin-bottom: 1.5rem;
            transition: transform 0.4s ease;
        }
        .about-card:hover img {
            transform: scale(1.02);
        }
        .about-icon {
            font-size: 2.5rem;
            color: var(--green);
            margin-bottom: 1rem;
        }
        .qr-centered {
            display: flex;
            justify-content: center;
            margin: 1.5rem 0;
        }
        .qr-centered img {
            width: 150px;
            height: 150px;
            object-fit: contain;
            border-radius: 20px;
            background: white;
            padding: 0.5rem;
            transition: transform 0.4s ease;
        }
        .qr-centered img:hover {
            transform: scale(1.05);
        }

        /* Installation Guide */
        .installation-guide {
            background: linear-gradient(135deg, #f8fafc 0%, #f0f4f8 100%);
            padding: 5rem 0;
        }
        .install-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        .step-card {
            background: white;
            border-radius: 32px;
            padding: 2rem;
            text-align: center;
            transition: all 0.4s ease;
            border: 1px solid rgba(70,130,180,0.1);
            animation: fadeInUp 0.6s ease;
        }
        .step-card:hover {
            transform: translateY(-12px);
            border-color: var(--green);
            box-shadow: 0 25px 40px -15px rgba(46,139,86,0.25);
        }
        .step-number {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--green), var(--blue));
            color: white;
            font-size: 1.8rem;
            font-weight: 700;
            border-radius: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            transition: transform 0.3s ease;
        }
        .step-card:hover .step-number {
            transform: scale(1.1);
        }
        .step-icon {
            font-size: 2rem;
            color: var(--blue);
            margin-bottom: 1rem;
        }
        .btn-guide {
            display: inline-block;
            padding: 0.6rem 1.5rem;
            background: transparent;
            border: 2px solid var(--blue);
            color: var(--blue);
            border-radius: 40px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        .btn-guide:hover {
            background: var(--blue);
            color: white;
            transform: translateX(5px);
        }
        .device-icons {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 3rem;
            flex-wrap: wrap;
        }
        .device-icon {
            background: white;
            padding: 0.8rem 1.2rem;
            border-radius: 60px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
        }
        .device-icon:hover {
            border-color: var(--green);
            transform: translateY(-3px);
            background: rgba(46,139,86,0.05);
        }
        .device-icon i {
            color: var(--blue);
            margin-right: 0.5rem;
        }

        /* Customer Plan */
        .customer-plan {
            padding: 5rem 0;
            background: var(--white);
        }
        .plan-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .plan-card {
            background: white;
            border-radius: 32px;
            overflow: hidden;
            transition: all 0.4s ease;
            border: 1px solid #eef2f6;
        }
        .plan-card:hover {
            transform: translateY(-12px);
            border-color: var(--green);
            box-shadow: 0 25px 40px -15px rgba(0,0,0,0.15);
        }
        .plan-header {
            background: linear-gradient(135deg, var(--green), var(--blue));
            padding: 2rem;
            text-align: center;
            color: white;
            transition: transform 0.3s ease;
        }
        .plan-card:hover .plan-header {
            transform: scale(1.02);
        }
        .plan-features ul {
            list-style: none;
            padding: 0;
        }
        .plan-features li {
            margin: 1rem 0;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            color: var(--dark);
            transition: transform 0.2s ease;
        }
        .plan-features li:hover {
            transform: translateX(5px);
        }
        .plan-features i {
            color: var(--green);
            font-size: 1.2rem;
            width: 1.5rem;
        }
        .plan-btn {
            display: block;
            text-align: center;
            padding: 0.9rem;
            background: var(--green);
            color: white;
            text-decoration: none;
            border-radius: 40px;
            font-weight: 600;
            margin: 0 2rem 2rem;
            transition: all 0.3s ease;
        }
        .plan-btn:hover {
            background: var(--blue);
            transform: translateY(-3px);
        }

        /* Device Grid */
        .device-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        .device-card {
            background: var(--white);
            border-radius: 24px;
            padding: 2rem 1rem;
            text-align: center;
            border: 1px solid #eef2f6;
            transition: all 0.3s ease;
            animation: fadeInUp 0.5s ease;
        }
        .device-card:hover {
            border-color: var(--blue);
            transform: translateY(-8px);
            box-shadow: 0 15px 30px -12px rgba(70,130,180,0.25);
        }
        .device-card img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 18px;
            margin-bottom: 1rem;
            transition: transform 0.3s ease;
        }
        .device-card:hover img {
            transform: scale(1.05);
        }
        .device-link {
            color: var(--blue);
            text-decoration: none;
            font-size: 0.85rem;
            font-weight: 500;
            transition: color 0.2s ease;
        }
        .device-link:hover {
            color: var(--green);
        }

        /* Feature Rows */
        .feature-row {
            padding: 4rem 0;
            transition: all 0.3s ease;
        }
        .feature-row:nth-child(even) {
            background: #fafcff;
        }
        .feature-img img {
            width: 100%;
            border-radius: 24px;
            transition: transform 0.4s ease, box-shadow 0.4s ease;
        }
        .feature-img img:hover {
            transform: scale(1.02);
            box-shadow: 0 20px 35px -12px rgba(0,0,0,0.15);
        }
        .feature-tag {
            display: inline-block;
            background: rgba(70,130,180,0.1);
            color: var(--blue);
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.8rem;
            margin-bottom: 1rem;
            transition: all 0.3s ease;
        }
        .feature-tag:hover {
            background: var(--blue);
            color: white;
        }

        /* Pricing Section */
        .pricing-perfect {
            padding: 5rem 0;
            background: var(--light);
        }
        .pricing-grid-perfect {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        .pricing-card-perfect {
            background: var(--white);
            border-radius: 32px;
            padding: 2.5rem 2rem;
            transition: all 0.4s ease;
            position: relative;
            border: 1px solid #eef2f6;
            text-align: center;
        }
        .pricing-card-perfect:hover {
            transform: translateY(-12px);
            border-color: var(--green);
            box-shadow: 0 25px 45px -15px rgba(46,139,86,0.3);
        }
        .pricing-card-perfect.popular {
            border: 2px solid var(--green);
        }
        .popular-badge-perfect {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--green);
            color: white;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            white-space: nowrap;
            animation: pulseGlow 2s infinite;
        }
        .pricing-price-perfect {
            font-size: 3rem;
            font-weight: 800;
            color: var(--green);
            margin-bottom: 0.5rem;
            transition: transform 0.3s ease;
        }
        .pricing-card-perfect:hover .pricing-price-perfect {
            transform: scale(1.05);
        }
        .pricing-features-perfect li {
            margin: 0.9rem 0;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.9rem;
            color: var(--dark);
            transition: transform 0.2s ease;
        }
        .pricing-features-perfect li:hover {
            transform: translateX(5px);
        }
        .btn-price-perfect {
            display: block;
            background: var(--green);
            color: white;
            text-decoration: none;
            padding: 0.9rem;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
            margin-top: 1rem;
        }
        .btn-price-perfect:hover {
            background: var(--blue);
            transform: translateY(-3px);
        }

        /* WhatsApp Card */
        .whatsapp-card {
            background: var(--white);
            border-radius: 32px;
            padding: 3rem;
            text-align: center;
            border: 1px solid #eef2f6;
            transition: all 0.4s ease;
        }
        .whatsapp-card:hover {
            transform: translateY(-8px);
            border-color: var(--green);
            box-shadow: 0 25px 40px -15px rgba(46,139,86,0.2);
        }
        .whatsapp-card i {
            transition: transform 0.3s ease;
        }
        .whatsapp-card:hover i {
            transform: scale(1.1);
        }

        /* Buttons */
        .btn-primary {
            background: var(--green);
            color: white;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            text-decoration: none;
            font-weight: 500;
            display: inline-block;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            background: var(--green-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px -8px var(--green);
        }
        .btn-secondary {
            background: var(--blue);
            color: white;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            text-decoration: none;
            font-weight: 500;
            display: inline-block;
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            background: var(--blue-dark);
            transform: translateY(-3px);
        }

        /* Footer */
        .footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }
        .footer a {
            color: #cbd5e1;
            text-decoration: none;
            display: block;
            margin: 0.5rem 0;
            font-size: 0.85rem;
            transition: all 0.3s ease;
        }
        .footer a:hover {
            color: white;
            transform: translateX(5px);
        }

        /* Copyright */
        .copyright-bar {
            background: linear-gradient(135deg, var(--green), var(--blue));
            padding: 1rem 0;
            text-align: center;
            color: white;
            font-size: 0.85rem;
        }

        /* FAQ Accordion */
        .accordion-item {
            border: 1px solid #eef2f6;
            margin-bottom: 1rem;
            border-radius: 16px !important;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .accordion-item:hover {
            border-color: var(--green);
        }
        .accordion-button {
            font-weight: 600;
            padding: 1.2rem;
            transition: all 0.3s ease;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(46,139,86,0.05);
            color: var(--green);
        }
        .accordion-button:hover {
            background-color: rgba(46,139,86,0.03);
        }

        /* Utilities */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .text-center { text-align: center; }

        .back-to-top {
            position: fixed;
            bottom: 80px;
            right: 20px;
            background: var(--green);
            color: white;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: all 0.3s ease;
            z-index: 99;
            text-decoration: none;
        }
        .back-to-top.show { opacity: 1; }
        .back-to-top:hover {
            background: var(--blue);
            transform: translateY(-3px);
        }
        .whatsapp-float {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: var(--whatsapp);
            color: white;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            z-index: 100;
            text-decoration: none;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            transition: all 0.3s ease;
        }
        .whatsapp-float:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 25px rgba(37,211,102,0.4);
        }