:root {
            --brand: #198754;
            --brand-dark: #146c43;
            --dark: #17202a;
            --light-bg: #f7f9fb;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont,
                "Segoe UI", sans-serif;
            color: #212529;
        }

        /* NAVBAR */

        .navbar {
            backdrop-filter: blur(10px);
        }

        .brand-logo {
            font-weight: 800;
            letter-spacing: -0.5px;
            font-size: 1.25rem;
        }

        /* HERO */

        .hero {
            background:
                radial-gradient(circle at 80% 20%, rgba(25,135,84,.18), transparent 35%),
                radial-gradient(circle at 10% 80%, rgba(13,110,253,.10), transparent 30%),
                linear-gradient(180deg, #ffffff 0%, #f5f9f7 100%);
            padding: 90px 0 80px;
            overflow: hidden;
        }

        .hero-title {
            font-size: clamp(2.5rem, 6vw, 4.6rem);
            font-weight: 800;
            line-height: 1.05;
            letter-spacing: -2px;
        }

        .hero-title span {
            color: var(--brand);
        }

        .hero-text {
            font-size: 1.2rem;
            color: #667085;
            max-width: 650px;
        }

        .btn-main {
            background: var(--brand);
            color: white;
            border: none;
            font-weight: 600;
            padding: 13px 25px;
            border-radius: 10px;
            transition: .2s;
        }

        .btn-main:hover {
            background: var(--brand-dark);
            color: white;
            transform: translateY(-2px);
        }

        .btn-demo {
            padding: 13px 25px;
            border-radius: 10px;
            font-weight: 600;
        }

        /* HERO MOCKUP */

        .store-preview {
            background: white;
            border-radius: 20px;
            box-shadow: 0 25px 70px rgba(0,0,0,.12);
            overflow: hidden;
            border: 1px solid #e9ecef;
            transform: rotate(1deg);
        }

        .preview-header {
            padding: 14px 18px;
            border-bottom: 1px solid #eee;
        }

        .preview-logo {
            width: 35px;
            height: 35px;
            border-radius: 9px;
            background: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: white;
        }

        .product-mini {
            border: 1px solid #eee;
            border-radius: 12px;
            overflow: hidden;
            background: white;
        }

        .product-image {
            height: 110px;
            background: linear-gradient(135deg,#e9f5ef,#f7f7f7);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
        }

        /* SECTIONS */

        .section {
            padding: 90px 0;
        }

        .section-light {
            background: var(--light-bg);
        }

        .section-title {
            font-weight: 800;
            letter-spacing: -1px;
        }

        .section-subtitle {
            color: #667085;
            max-width: 650px;
            margin: auto;
        }

        /* CARDS */

        .feature-card {
            height: 100%;
            border: 1px solid #e9ecef;
            border-radius: 18px;
            padding: 28px;
            background: white;
            transition: .25s;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 15px 35px rgba(0,0,0,.08);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: #e9f7ef;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
        }

        .feature-card p {
            color: #667085;
            margin-bottom: 0;
        }

        /* PROBLEM */

        .problem-box {
            border-radius: 20px;
            background: #17202a;
            color: white;
            padding: 45px;
        }

        .problem-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .problem-list li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,.1);
        }

        .problem-list li:last-child {
            border-bottom: 0;
        }

        /* STEPS */

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--brand);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: auto;
            font-size: 1.1rem;
        }

        /* TRIAL */

        .trial {
            background:
                radial-gradient(circle at 20% 20%, rgba(255,255,255,.15), transparent 25%),
                linear-gradient(135deg, #198754, #146c43);
            color: white;
            border-radius: 25px;
            padding: 70px 30px;
        }

        /* PRICING */

        .pricing-card {
            border: 1px solid #dee2e6;
            border-radius: 20px;
            background: white;
            padding: 35px;
            height: 100%;
        }

        .pricing-card.featured {
            border: 2px solid var(--brand);
            box-shadow: 0 15px 40px rgba(25,135,84,.15);
            position: relative;
        }

        .popular {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--brand);
            color: white;
            padding: 5px 16px;
            border-radius: 20px;
            font-size: .8rem;
            font-weight: 700;
        }

        .price {
            font-size: 2.7rem;
            font-weight: 800;
        }

        .price small {
            font-size: .95rem;
            color: #667085;
            font-weight: 400;
        }

        .price-list {
            list-style: none;
            padding: 0;
        }

        .price-list li {
            padding: 8px 0;
        }

        /* FAQ */

        .accordion-item {
            border-radius: 12px !important;
            overflow: hidden;
            margin-bottom: 10px;
            border: 1px solid #e9ecef !important;
        }

        .accordion-button {
            font-weight: 600;
            padding: 20px;
        }

        .accordion-button:not(.collapsed) {
            background: #e9f7ef;
            color: var(--brand-dark);
            box-shadow: none;
        }

        /* FOOTER */

        footer {
            background: #17202a;
            color: #adb5bd;
        }

        footer a {
            color: #adb5bd;
            text-decoration: none;
        }

        footer a:hover {
            color: white;
        }

        /* MOBILE */

        @media (max-width: 767px) {

            .hero {
                padding: 60px 0;
            }

            .hero-title {
                letter-spacing: -1px;
            }

            .hero-text {
                font-size: 1.05rem;
            }

            .store-preview {
                margin-top: 40px;
                transform: none;
            }

            .section {
                padding: 65px 0;
            }

            .problem-box {
                padding: 30px 22px;
            }

        }