:root {
            --primary: #0f172a;
            --secondary: #2563eb;
            --accent: #06b6d4;
            --light: #f8fafc;
            --dark: #020617;
            --text: #334155;
            --gradient: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
        }

        * {
            font-family: 'Inter', sans-serif;
        }

        body {
            background: #ffffff;
            color: var(--text);
            overflow-x: hidden;
        }

        .navbar {
            backdrop-filter: blur(10px);
            background: rgba(255,255,255,0.9);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 18px 0;
        }

        .navbar-brand {
            font-weight: 900;
            font-size: 1.6rem;
            color: var(--primary);
        }

        .navbar-brand span {
            color: var(--secondary);
        }

        .nav-link {
            font-weight: 600;
            color: #334155;
            margin: 0 10px;
        }

        .btn-primary-custom {
            background: var(--gradient);
            border: none;
            color: #fff;
            padding: 14px 28px;
            border-radius: 14px;
            font-weight: 700;
            transition: .3s ease;
            box-shadow: 0 10px 30px rgba(37,99,235,.25);
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-custom {
            border: 2px solid #cbd5e1;
            padding: 14px 28px;
            border-radius: 14px;
            font-weight: 700;
            color: var(--primary);
        }

        .hero {
            padding: 180px 0 120px;
            background:
                radial-gradient(circle at top left, rgba(37,99,235,.15), transparent 35%),
                radial-gradient(circle at bottom right, rgba(6,182,212,.12), transparent 30%),
                #ffffff;
            position: relative;
        }

        .badge-custom {
            background: rgba(37,99,235,.1);
            color: var(--secondary);
            padding: 10px 18px;
            border-radius: 999px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: 4rem;
            font-weight: 900;
            line-height: 1.1;
            color: var(--dark);
            margin-bottom: 24px;
        }

        .gradient-text {
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 1.2rem;
            line-height: 1.8;
            margin-bottom: 36px;
            color: #475569;
        }

        .hero-card {
            background: #fff;
            border-radius: 30px;
            padding: 25px;
            box-shadow: 0 25px 80px rgba(15,23,42,.12);
            border: 1px solid rgba(0,0,0,.04);
            position: relative;
        }

        .dashboard-preview {
            border-radius: 24px;
            overflow: hidden;
            background: #0f172a;
        }

        .dashboard-top {
            padding: 14px 20px;
            background: #111827;
            display: flex;
            gap: 8px;
        }

        .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        .dot.red { background: #ef4444; }
        .dot.yellow { background: #f59e0b; }
        .dot.green { background: #22c55e; }

        .dashboard-body {
            padding: 30px;
        }

        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .dashboard-widget {
            background: rgba(255,255,255,.05);
            border: 1px solid rgba(255,255,255,.08);
            border-radius: 20px;
            padding: 24px;
        }

        .dashboard-widget h5 {
            color: #fff;
            font-weight: 700;
        }

        .dashboard-widget p {
            color: #94a3b8;
            font-size: .95rem;
        }

        .tag {
            display: inline-block;
            background: rgba(6,182,212,.15);
            color: #67e8f9;
            padding: 8px 14px;
            border-radius: 999px;
            font-size: .85rem;
            font-weight: 700;
            margin-top: 10px;
        }

        .section {
            padding: 100px 0;
        }

        .section-title {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--dark);
            margin-bottom: 18px;
        }

        .section-subtitle {
            color: #64748b;
            max-width: 720px;
            margin: 0 auto 60px;
            font-size: 1.1rem;
            line-height: 1.8;
        }

        .feature-card {
            background: #fff;
            border-radius: 24px;
            padding: 40px 32px;
            border: 1px solid #e2e8f0;
            transition: .3s ease;
            height: 100%;
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 60px rgba(15,23,42,.08);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            border-radius: 20px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 24px;
        }

        .pricing-card {
            border-radius: 30px;
            border: 1px solid #e2e8f0;
            padding: 50px 35px;
            height: 100%;
            position: relative;
            transition: .3s ease;
            background: #fff;
        }

        .pricing-card.featured {
            background: var(--primary);
            color: #fff;
            transform: scale(1.04);
            border: none;
            box-shadow: 0 30px 70px rgba(15,23,42,.25);
        }

        .pricing-card.featured ul li {
            color: #cbd5e1;
        }

        .pricing-card.featured .price {
            color: #fff;
        }

        .pricing-card:hover {
            transform: translateY(-8px);
        }

        .pricing-badge {
            position: absolute;
            top: -15px;
            right: 30px;
            background: var(--gradient);
            color: #fff;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: .85rem;
            font-weight: 700;
        }

        .price {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--dark);
        }

        .price span {
            font-size: 1rem;
            font-weight: 500;
        }

        .pricing-card ul {
            list-style: none;
            padding: 0;
            margin: 30px 0;
        }

        .pricing-card ul li {
            margin-bottom: 18px;
            color: #475569;
        }

        .pricing-card ul li i {
            color: #22c55e;
            margin-right: 10px;
        }

        .testimonial-card {
            background: #fff;
            border-radius: 28px;
            padding: 35px;
            border: 1px solid #e2e8f0;
            height: 100%;
        }

        .testimonial-card .stars {
            color: #f59e0b;
            margin-bottom: 20px;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 24px;
        }

        .avatar {
            width: 55px;
            height: 55px;
            border-radius: 50%;
            background: var(--gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
        }

        .accordion-item {
            border-radius: 18px !important;
            overflow: hidden;
            margin-bottom: 16px;
            border: 1px solid #e2e8f0;
        }

        .accordion-button {
            font-weight: 700;
            padding: 22px;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(37,99,235,.08);
            color: var(--secondary);
        }

        .cta-section {
            background: var(--primary);
            color: #fff;
            border-radius: 40px;
            padding: 70px;
        }

        footer {
            background: #020617;
            color: #94a3b8;
            padding: 80px 0 30px;
        }

        .footer-link {
            color: #cbd5e1;
            text-decoration: none;
            display: block;
            margin-bottom: 14px;
        }

        .footer-link:hover {
            color: #fff;
        }

        @media(max-width: 992px) {
            .hero {
                padding-top: 140px;
            }

            .hero h1 {
                font-size: 2.8rem;
            }

            .section-title {
                font-size: 2.2rem;
            }

            .pricing-card.featured {
                transform: none;
            }
        }