:root {
            --sp-primary: #4a154b;
            --sp-secondary: #8e44ad;
            --sp-accent: #a569bd;
            --sp-bg-outer: #351c42;
            --sp-bg-light: #f4edf7;
            --sp-bg-card: #ffffff;
            --sp-text-main: #4a3b5c;
            --sp-text-muted: #6c5b7b;
            --sp-border: #e1dbe6;
            --sp-shadow: 0 15px 40px rgba(108, 52, 131, 0.08);
            --sp-gold-start: #f1c40f;
            --sp-gold-end: #b7950b;
        }

        body { 
            font-family: 'Inter', sans-serif; 
            background-color: var(--sp-bg-outer);
            background-image: 
                radial-gradient(rgba(187, 143, 206, 0.45) 1.5px, transparent 1.5px), 
                radial-gradient(rgba(142, 68, 173, 0.35) 1.5px, var(--sp-bg-outer) 1.5px);
            background-size: 28px 28px;
            background-position: 0 0, 14px 14px;
            color: var(--sp-text-main);
            overflow-x: hidden;
            padding: 80px;
        }

        /* MARCO PRINCIPAL FULL ANCHO CON MARGEN DE 80PX */
        .app-container-frame {
            width: 100%;
            margin: 0 auto;
            background-color: var(--sp-bg-light);
            border-radius: 24px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35), 0 0 30px rgba(165, 105, 189, 0.25);
            border: 1px solid rgba(255, 255, 255, 0.2);
            overflow: hidden;
        }

        /* NAVBAR */
        .navbar {
            background-color: rgba(255, 255, 255, 0.95) !important;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--sp-border);
            padding: 15px 0;
        }
        .btn-demo-custom {
            background-color: #f4edf7;
            color: var(--sp-primary);
            border: 2px solid var(--sp-accent);
            border-radius: 12px;
            font-weight: 700;
            padding: 10px 20px;
            transition: all 0.2s ease;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }
        .btn-demo-custom:hover {
            background-color: var(--sp-secondary);
            border-color: var(--sp-secondary);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(142, 68, 173, 0.2);
        }
        .btn-outline-custom {
            color: var(--sp-primary);
            border: 2px solid var(--sp-border);
            border-radius: 12px;
            font-weight: 700;
            padding: 10px 24px;
            transition: all 0.2s ease;
        }
        .btn-outline-custom:hover {
            background-color: #f4edf7;
            border-color: var(--sp-accent);
            color: var(--sp-primary);
            transform: translateY(-2px);
        }

        /* HERO SECTION */
        .hero-section {
            padding: 80px 0;
            background: radial-gradient(circle at top right, rgba(142, 68, 173, 0.08) 0%, transparent 40%),
                        radial-gradient(circle at bottom left, rgba(74, 21, 75, 0.05) 0%, transparent 40%);
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--sp-primary);
            line-height: 1.1;
            margin-bottom: 24px;
            letter-spacing: -1px;
        }
        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--sp-text-muted);
            margin-bottom: 40px;
            line-height: 1.6;
        }
        .btn-custom {
            background: linear-gradient(135deg, var(--sp-accent) 0%, var(--sp-secondary) 100%);
            color: white;
            border: none;
            border-radius: 14px;
            padding: 16px 36px;
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: 0 8px 20px rgba(142, 68, 173, 0.25);
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }
        .btn-custom:hover {
            background: linear-gradient(135deg, #bb8fce 0%, #9b59b6 100%);
            transform: translateY(-3px);
            box-shadow: 0 12px 25px rgba(142, 68, 173, 0.35);
            color: white;
        }
        .hero-image-wrapper {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--sp-shadow);
            border: 8px solid white;
            transform: rotate(2deg);
            transition: transform 0.3s ease;
        }
        .hero-image-wrapper:hover {
            transform: rotate(0deg);
        }
        .hero-image-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* FEATURES */
        .feature-card {
            background: var(--sp-bg-card);
            border-radius: 20px;
            padding: 30px 24px;
            border: 1px solid var(--sp-border);
            box-shadow: 0 4px 15px rgba(108, 52, 131, 0.03);
            height: 100%;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--sp-shadow);
            border-color: #d5c8dd;
        }
        .feature-img-box {
            width: 100%;
            height: 180px;
            border-radius: 14px;
            overflow: hidden;
            margin-bottom: 20px;
        }
        .feature-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-card h3 {
            font-weight: 800;
            color: var(--sp-primary);
            font-size: 1.25rem;
            margin-bottom: 15px;
        }
        .feature-card p {
            color: var(--sp-text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0;
        }

        /* PRICING */
        .pricing-section {
            background-color: #f7f5fa;
            padding: 80px 0;
            border-top: 1px solid var(--sp-border);
        }
        .pricing-card {
            background: var(--sp-bg-card);
            border-radius: 24px;
            border: 1px solid var(--sp-border);
            box-shadow: var(--sp-shadow);
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .pricing-card.popular {
            border: 2px solid var(--sp-gold-start);
            transform: scale(1.05);
            z-index: 2;
            box-shadow: 0 20px 50px rgba(241, 196, 15, 0.25);
        }
        .popular-badge-ribbon {
            position: absolute;
            top: 22px;
            right: -38px;
            background: linear-gradient(135deg, var(--sp-gold-start) 0%, var(--sp-gold-end) 100%);
            color: #2c1a00;
            padding: 8px 42px;
            font-size: 0.75rem;
            font-weight: 800;
            text-transform: uppercase;
            transform: rotate(45deg);
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
            letter-spacing: 1px;
            z-index: 10;
            border-top: 1px solid #ffeb85;
            border-bottom: 1px solid #937606;
        }
        .pricing-header {
            background: linear-gradient(135deg, var(--sp-primary) 0%, var(--sp-secondary) 100%);
            color: white;
            padding: 30px;
            text-align: center;
        }
        .pricing-card.popular .pricing-header {
            padding-top: 40px;
        }
        .pricing-header h4 {
            font-weight: 700;
            margin: 0;
            font-size: 1.2rem;
            letter-spacing: 0.5px;
        }
        .pricing-body {
            padding: 30px;
        }
        .price-tag {
            color: var(--sp-primary);
            font-weight: 800;
            font-size: 2.5rem;
            margin-bottom: 5px;
            letter-spacing: -1px;
        }
        .price-muted {
            font-size: 1rem;
            color: var(--sp-text-muted);
            font-weight: 600;
        }
        .pricing-features li {
            padding: 12px 0;
            border-bottom: 1px solid #f4edf7;
            color: var(--sp-text-main);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
        }
        .pricing-features li:last-child {
            border-bottom: none;
        }
        .pricing-features li svg {
            color: #27ae60;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }

        /* FOOTER */
        .footer-sp {
            background: var(--sp-primary);
            color: white;
            padding: 40px 0;
        }

        /* BOTÓN FLOTANTE WHATSAPP */
        .wa-float-btn {
            position: fixed;
            width: 60px;
            height: 60px;
            bottom: 30px;
            right: 30px;
            background-color: #25d366;
            color: #FFF;
            border-radius: 50px;
            text-align: center;
            font-size: 30px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            z-index: 10000;
            display: flex;
            justify-content: center;
            align-items: center;
            text-decoration: none;
            transition: transform 0.3s ease, background-color 0.3s ease;
        }
        .wa-float-btn:hover {
            background-color: #128C7E;
            color: #FFF;
            transform: scale(1.1);
            box-shadow: 0 6px 20px rgba(0,0,0,0.3);
        }
        .wa-float-btn svg {
            width: 34px;
            height: 34px;
            fill: currentColor;
        }
        @media (max-width: 992px) {
            body {
                padding: 20px;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 10px;
            }
            .app-container-frame {
                border-radius: 16px;
            }
            .wa-float-btn {
                width: 55px;
                height: 55px;
                bottom: 20px;
                right: 20px;
            }
            .wa-float-btn svg {
                width: 30px;
                height: 30px;
            }
        }
        /* Demo destacada (13-oct-2026): barra rellena con el color de la marca, Ingreso discreto, botón demo en el hero */
        .navbar .btn-demo-custom {
            background: linear-gradient(135deg, var(--sp-accent) 0%, var(--sp-secondary) 100%);
            color: #ffffff; border-color: transparent;
            box-shadow: 0 4px 12px rgba(142, 68, 173, 0.25);
        }
        .navbar .btn-demo-custom:hover { color: #ffffff; filter: brightness(1.05); }
        .navbar .btn-outline-custom { border-color: var(--sp-border); color: var(--sp-text-muted); font-weight: 600; }
        .hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
        .hero-ctas .btn-custom, .hero-ctas .btn-hero-demo { padding-left: 24px; padding-right: 24px; }
        .btn-hero-demo {
            background: #ffffff; color: var(--sp-secondary);
            border: 2px solid var(--sp-secondary); border-radius: 14px;
            padding: 14px 34px; font-size: 1.1rem; font-weight: 700;
            text-decoration: none; display: inline-block; text-align: center;
            transition: all 0.25s ease;
        }
        .btn-hero-demo:hover { background: var(--sp-secondary); color: #ffffff; transform: translateY(-2px); }
        .hero-demo-nota { font-size: 0.85rem; color: var(--sp-text-muted); margin-top: 10px; }
        @media (max-width: 575px) { .hero-ctas a { width: 100%; } }