:root {
            --primary-red: #ff3e3e;
            --dark-bg: #0a0c10;
            --card-bg: rgba(20, 22, 26, 0.9);
            --glass-border: rgba(255, 255, 255, 0.08);
            --accent-glow: rgba(255, 62, 62, 0.15);
        }

        * {
            box-sizing: border-box;
        }

        body {
            background-color: var(--dark-bg);
            color: #ffffff;
            font-family: 'Outfit', sans-serif;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        /* --- Fondo Dinámico --- */
        #bg-canvas {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            opacity: 0.4;
        }

        .header-brand {
            padding: 80px 20px 40px;
            text-align: center;
            position: relative;
        }

        .profile-logo {
            font-size: clamp(3rem, 10vw, 5rem);
            font-weight: 900;
            letter-spacing: -3px;
            margin: 0;
            position: relative;
            display: inline-block;
        }

        .red-e {
            color: var(--primary-red);
            text-shadow: 0 0 30px var(--primary-red);
        }

        /* --- Servicios --- */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            max-width: 1100px;
            margin: 40px auto 80px;
            padding: 0 20px;
        }

        .service-card {
            background: linear-gradient(145deg, rgba(30, 32, 38, 0.8), rgba(15, 17, 22, 0.9));
            border: 1px solid var(--glass-border);
            border-radius: 28px;
            padding: 40px 30px;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at top right, var(--accent-glow), transparent 70%);
            opacity: 0;
            transition: 0.4s;
        }

        .service-card:hover {
            border-color: var(--primary-red);
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-card i {
            font-size: 2.5rem;
            color: var(--primary-red);
            margin-bottom: 25px;
            display: block;
            filter: drop-shadow(0 0 10px rgba(255, 62, 62, 0.3));
        }

        .service-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        /* --- Sección de Proceso --- */
        .process-section {
            max-width: 1000px;
            margin: 0 auto 100px;
            padding: 0 20px;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            text-align: center;
        }

        .process-step {
            position: relative;
        }

        .step-icon {
            width: 70px;
            height: 70px;
            background: var(--card-bg);
            border: 1px solid var(--primary-red);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.5rem;
            box-shadow: 0 0 20px var(--accent-glow);
        }

        /* --- Teléfono --- */
        .demo-section {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 100px 20px;
            background: radial-gradient(circle at center, rgba(255, 62, 62, 0.03), transparent 70%);
        }

        .section-title {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 6px;
            color: var(--primary-red);
            margin-bottom: 50px;
            font-weight: 800;
            text-align: center;
        }

        .iphone-frame {
            width: 320px;
            height: 650px;
            background: #111;
            border-radius: 50px;
            padding: 12px;
            box-shadow: 0 50px 100px rgba(0, 0, 0, 0.8);
            border: 4px solid #222;
            position: relative;
        }

        .iphone-screen {
            width: 100%;
            height: 100%;
            background: #0b141a;
            border-radius: 38px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .status-bar {
            height: 25px;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 10px;
            color: white;
            position: absolute;
            top: 5px;
            width: 100%;
            z-index: 10;
        }

        .wa-header {
            background: #1f2c34;
            padding: 45px 15px 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .chat-area {
            flex: 1;
            padding: 15px;
            overflow-y: auto;
            background-color: #0b141a;
            background-image: url('https://user-images.githubusercontent.com/15075759/28719144-86dc0f70-73b1-11e7-911d-60d70fcded21.png');
            background-blend-mode: overlay;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .msg-bubble {
            max-width: 85%;
            padding: 10px 14px;
            border-radius: 12px;
            font-size: 14px;
            line-height: 1.4;
            animation: popIn 0.3s ease-out forwards;
        }

        @keyframes popIn {
            from {
                opacity: 0;
                transform: scale(0.9) translateY(10px);
            }

            to {
                opacity: 1;
                transform: scale(1) translateY(0);
            }
        }

        .bot-msg {
            background: #202c33;
            color: white;
            align-self: flex-start;
            border-top-left-radius: 0;
        }

        .user-msg {
            background: #005c4b;
            color: white;
            align-self: flex-end;
            border-top-right-radius: 0;
        }

        .opt-button {
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 12px 15px;
            border-radius: 14px;
            font-size: 13px;
            cursor: pointer;
            margin-top: 10px;
            transition: 0.3s;
            text-align: left;
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .opt-button:hover {
            background: var(--primary-red);
            border-color: var(--primary-red);
        }

        /* --- Contacto --- */
        .contact-info {
            text-align: center;
            padding: 60px 20px;
            max-width: 600px;
            margin: 0 auto;
        }

        .contact-item {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 1.1rem;
            margin-bottom: 20px;
            color: #fff;
            text-decoration: none;
            transition: 0.3s;
            font-weight: 400;
        }

        .contact-item:hover {
            color: var(--primary-red);
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 25px;
            margin-top: 30px;
        }

        .social-links a {
            color: #4b5563;
            font-size: 1.5rem;
            transition: 0.3s;
        }

        .social-links a:hover {
            color: var(--primary-red);
            transform: scale(1.1);
        }

        footer {
            text-align: center;
            padding: 60px 0;
            font-size: 0.75rem;
            color: #374151;
            text-transform: uppercase;
            letter-spacing: 3px;
        }

        /* Reveal on scroll */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: 1s all ease;
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }