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

        :root {
            --teal-light: #B8E6D5;
            --teal-dark: #8FC7B5;
            --teal-footer: #2D6A5D;
            --black: #000000;
            --white: #FFFFFF;
            --dark-gray: #333333;
            --medium-gray: #666666;
            --light-gray: #F9F9F9;
        }

        body {
            font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: var(--dark-gray);
            background-color: var(--white);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        button {
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
        }

        /* ==================== HEADER / NAVIGATION ==================== */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            background-color: var(--white);
            padding: 15px 60px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            z-index: 1000;
        }

        .logo {
            height: 120px;
            width: auto;
            object-fit: contain;
        }

        nav {
            display: flex;
            gap: 40px;
            align-items: center;
        }

        nav a {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark-gray);
            position: relative;
            padding-bottom: 5px;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--teal-light);
            transition: width 0.3s ease;
        }

        nav a:hover::after {
            width: 100%;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
        }

        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: var(--black);
            margin: 4px 0;
            transition: 0.3s;
        }

        /* ==================== HERO SECTION ==================== */
        .hero {
            margin-top: 80px;
            height: 100vh;
            background: linear-gradient(135deg, var(--teal-light) 0%, var(--teal-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 40px 60px;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            max-width: 900px;
            z-index: 2;
        }

        .hero h1 {
            font-size: 56px;
            font-weight: 700;
            color: var(--black);
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .hero p {
            font-size: 22px;
            color: var(--dark-gray);
            max-width: 600px;
            margin: 0 auto 40px;
        }

        .cta-button {
            background-color: var(--black);
            color: var(--white);
            padding: 18px 50px;
            font-size: 18px;
            font-weight: bold;
            border-radius: 8px;
            border: none;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            display: inline-block;
        }

        .cta-button:hover {
            background-color: var(--dark-gray);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
        }

        .cta-button:active {
            transform: translateY(0);
        }

        /* ==================== PROBLEM SECTION ==================== */
        .problem {
            background-color: var(--white);
            padding: 100px 60px;
        }

        .problem h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--black);
            text-align: center;
            margin-bottom: 60px;
        }

        .problem-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .problem-card {
            background-color: var(--white);
            padding: 40px 30px;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            text-align: center;
        }

        .problem-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--teal-light) 0%, var(--teal-dark) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin: 0 auto 20px;
            color: var(--white);
            font-weight: bold;
        }

        .problem-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--black);
            margin-bottom: 12px;
        }

        .problem-card p {
            font-size: 16px;
            color: var(--medium-gray);
            line-height: 1.6;
        }

        /* ==================== HOW IT WORKS SECTION ==================== */
        .how-it-works {
            background-color: var(--light-gray);
            padding: 100px 60px;
        }

        .how-it-works h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--black);
            text-align: center;
            margin-bottom: 60px;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .step-card {
            background-color: var(--white);
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            text-align: center;
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--teal-light) 0%, var(--teal-dark) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            font-weight: bold;
            color: var(--white);
            margin: 0 auto 24px;
        }

        .step-card h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--black);
            margin-bottom: 12px;
        }

        .step-card p {
            font-size: 16px;
            color: var(--medium-gray);
            line-height: 1.6;
        }

        /* ==================== SERVICES SECTION ==================== */
        .services {
            background: linear-gradient(135deg, var(--teal-light) 0%, var(--teal-dark) 100%);
            padding: 100px 60px;
        }

        .services h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--black);
            text-align: center;
        }

        .services-subtitle {
            font-size: 18px;
            color: var(--dark-gray);
            text-align: center;
            margin-top: 12px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            max-width: 1400px;
            margin: 50px auto 0;
        }

        .service-card {
            background-color: var(--white);
            padding: 40px 30px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--teal-light) 0%, var(--teal-dark) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 20px;
            color: var(--white);
            font-weight: bold;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--black);
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 16px;
            color: var(--medium-gray);
            line-height: 1.6;
        }

        /* ==================== DEMO PORTFOLIO SECTION ==================== */
        .demos {
            background-color: var(--white);
            padding: 100px 60px;
        }

        .demos h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--black);
            text-align: center;
            margin-bottom: 12px;
        }

        .demos-subtitle {
            font-size: 18px;
            color: var(--medium-gray);
            text-align: center;
            margin-bottom: 50px;
        }

        .demos-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .demo-card {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .demo-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }

        .demo-image {
            width: 100%;
            aspect-ratio: 16 / 10;
            background-color: #E5E5E5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--medium-gray);
            font-weight: 600;
        }

        .demo-info {
            background-color: var(--white);
            padding: 24px;
            text-align: center;
        }

        .demo-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--black);
            margin-bottom: 12px;
        }

        .demo-link {
            color: var(--teal-light);
            font-weight: 600;
            font-size: 16px;
            display: inline-block;
            margin-top: 8px;
        }

        .demo-link:hover {
            color: var(--teal-dark);
            transform: translateX(4px);
        }

        /* ==================== PRICING SECTION ==================== */
        .pricing {
            background-color: var(--light-gray);
            padding: 100px 60px;
        }

        .pricing h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--black);
            text-align: center;
            margin-bottom: 12px;
        }

        .pricing-subtitle {
            font-size: 20px;
            color: var(--teal-light);
            text-align: center;
            font-weight: 700;
            margin-bottom: 50px;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .pricing-card {
            background-color: var(--white);
            padding: 50px 40px;
            border-radius: 16px;
            text-align: center;
            position: relative;
        }

        .pricing-card.build,
        .pricing-card.premium {
            border: 3px solid var(--teal-light);
        }

        .pricing-card.standard {
            border: 2px solid #E5E5E5;
        }

        .pricing-badge {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--teal-light) 0%, var(--teal-dark) 100%);
            color: var(--white);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .pricing-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--black);
            margin-bottom: 12px;
        }

        .pricing-price {
            font-size: 54px;
            font-weight: 700;
            color: var(--black);
            margin: 20px 0 8px;
        }

        .pricing-period {
            font-size: 16px;
            color: var(--medium-gray);
            margin-bottom: 30px;
        }

        .pricing-features {
            text-align: left;
            margin-bottom: 40px;
        }

        .pricing-features li {
            list-style: none;
            padding: 10px 0;
            font-size: 16px;
            color: var(--medium-gray);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .pricing-features li::before {
            content: '✓';
            color: var(--teal-light);
            font-weight: bold;
            font-size: 18px;
            flex-shrink: 0;
        }

        .pricing-button {
            width: 100%;
            padding: 16px 0;
            font-size: 16px;
            font-weight: 700;
            border: none;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .pricing-button.dark {
            background-color: var(--black);
            color: var(--white);
        }

        .pricing-button.dark:hover {
            background-color: var(--dark-gray);
        }

        .pricing-button.teal {
            background-color: var(--teal-light);
            color: var(--dark-gray);
            font-weight: 700;
        }

        .pricing-button.teal:hover {
            background-color: var(--teal-dark);
            color: var(--white);
        }

        /* ==================== FOOTER ==================== */
        footer {
            background-color: var(--teal-footer);
            padding: 80px 60px;
            text-align: center;
            color: var(--white);
        }

        .footer-logo {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 12px;
            color: var(--white);
        }

        .footer-tagline {
            font-size: 18px;
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .footer-email {
            font-size: 18px;
            color: var(--teal-light);
            margin-bottom: 30px;
            display: inline-block;
            font-weight: 600;
        }

        .footer-email:hover {
            color: var(--white);
        }

        .footer-location {
            font-size: 16px;
            margin-bottom: 8px;
            color: rgba(255, 255, 255, 0.9);
        }

        .footer-response {
            font-size: 16px;
            margin-bottom: 40px;
            color: rgba(255, 255, 255, 0.9);
        }

        .footer-copyright {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 40px;
            margin-top: 40px;
        }

        /* ==================== RESPONSIVE DESIGN ==================== */
        @media (max-width: 1024px) {
            .problem-grid,
            .steps-grid,
            .services-grid,
            .demos-grid,
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 768px) {
            header {
                padding: 15px 30px;
            }

            .logo {
            height: 40px;
            width: auto;
            object-fit: contain;
        }

            nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .hero {
                height: auto;
                min-height: 100vh;
                padding: 40px 20px;
                margin-top: 70px;
            }

            .hero h1 {
                font-size: 36px;
            }

            .hero p {
                font-size: 18px;
            }

            .problem,
            .how-it-works,
            .services,
            .demos,
            .pricing {
                padding: 60px 30px;
            }

            .problem h2,
            .how-it-works h2,
            .services h2,
            .demos h2,
            .pricing h2 {
                font-size: 28px;
                margin-bottom: 40px;
            }

            .problem-grid,
            .steps-grid,
            .services-grid,
            .demos-grid,
            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .cta-button {
                padding: 16px 40px;
                font-size: 16px;
                width: 100%;
            }

            footer {
                padding: 60px 30px;
            }

            .footer-logo {
                font-size: 24px;
            }
        }

        @media (max-width: 480px) {
            header {
                padding: 12px 20px;
            }

            .hero {
                margin-top: 60px;
            }

            .hero h1 {
                font-size: 28px;
                margin-bottom: 16px;
            }

            .hero p {
                font-size: 16px;
                margin-bottom: 30px;
            }

            .problem,
            .how-it-works,
            .services,
            .demos,
            .pricing {
                padding: 40px 20px;
            }

            .problem h2,
            .how-it-works h2,
            .services h2,
            .demos h2,
            .pricing h2 {
                font-size: 24px;
            }

            .problem-grid,
            .steps-grid,
            .service-grid,
            .demos-grid,
            .pricing-grid {
                gap: 20px;
            }

            .problem-card,
            .step-card,
            .service-card,
            .pricing-card {
                padding: 30px 20px;
            }

            footer {
                padding: 40px 20px;
            }
        }

        /* ==================== SMOOTH SCROLL ==================== */
        html {
            scroll-behavior: smooth;
        }

        /* ==================== PRINT STYLES ==================== */
        @media print {
            header,
            footer {
                display: none;
            }
        }