:root {
            --primary-color: #000000;
            --secondary-color: #333333;
            --accent-color: #666666;
            --accent-light: #999999;
            --text-dark: #000000;
            --text-medium: #333333;
            --text-light: #666666;
            --text-lighter: #999999;
            --bg-white: #ffffff;
            --bg-light: #f8f9fa;
            --bg-medium: #e9ecef;
            --bg-dark: #000000;
            --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-strong: 0 8px 30px rgba(0, 0, 0, 0.12);
            --gradient-dark: linear-gradient(135deg, #000000 0%, #333333 100%);
            --gradient-light: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
            --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--bg-white);
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1000;
            transition: var(--transition-smooth);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            box-shadow: var(--shadow-subtle);
        }

        .header.hidden {
            transform: translateY(-100%);
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 16px;
            font-family: 'Inter', sans-serif;
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-color);
            letter-spacing: -0.5px;
        }

        .logo img {
            max-height: 50px;
            width: auto;
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            background: var(--gradient-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 800;
            font-size: 18px;
            position: relative;
            overflow: hidden;
            border-radius: 8px;
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
            transform: translateX(-100%);
            transition: transform 0.6s ease;
        }

        .logo:hover .logo-icon::before {
            transform: translateX(100%);
        }

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

        .nav-links {
            display: flex;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-medium);
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition-smooth);
            position: relative;
            padding: 8px 0;
            letter-spacing: -0.2px;
        }

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

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary-color);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

               /* Opción A: limpiar apariencia del botón caret */
.dropdown-toggle-btn{
  appearance: none;
  -webkit-appearance: none;
  border: 0;                 /* quita borde */
  background: transparent;   /* fondo transparente */
  padding: 6px;              /* espacio cómodo para click */
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  box-shadow: none;          /* quita sombra */
  outline: none;             /* no outline por defecto */
  cursor: pointer;
  transition: transform .18s ease, background .12s ease, color .12s ease, box-shadow .12s ease;
  color: var(--text-medium);
}

/* efecto hover sutil */
.dropdown-toggle-btn:hover{
  background: rgba(0,0,0,0.035);
  color: var(--primary-color);
}

/* foco accesible (usar :focus-visible para no romper mouse UX) */
.dropdown-toggle-btn:focus-visible{
  box-shadow: 0 0 0 4px rgba(34,110,255,0.12); /* ajusta color si usas otra variable */
  border-radius: 10px;
}

/* si el icono tuviera borde por si acaso */
.dropdown-toggle-btn i{
  border: 0;
  display:inline-block;
  line-height:1;
}

/* si quieres que la flecha quede más integrada y sin "bloque" */
.dropdown-toggle-btn[aria-expanded="true"]{
  transform: rotate(180deg);
}

        .nav-links .dropdown { position: relative; }
        .nav-links .dropdown > a { cursor: pointer; }
        .nav-links .dropdown .dropdown-content a { cursor: pointer; }


        /* WhatsApp Button */
        .cta-button {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 56px;
            height: 56px;
            background: #25D366;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            text-decoration: none;
            box-shadow: var(--shadow-strong);
            z-index: 1000;
            transition: var(--transition-smooth);
            animation: whatsappPulse 2s infinite;
        }

        .cta-button:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(37, 211, 102, 0.3);
        }

        .whatsapp-tooltip {
            position: absolute;
            right: 70px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--text-dark);
            color: white;
            padding: 8px 12px;
            border-radius: 4px;
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition-smooth);
            pointer-events: none;
        }

        .whatsapp-tooltip::after {
            content: '';
            position: absolute;
            top: 50%;
            right: -6px;
            transform: translateY(-50%);
            width: 0;
            height: 0;
            border-left: 6px solid var(--text-dark);
            border-top: 6px solid transparent;
            border-bottom: 6px solid transparent;
        }

        .cta-button:hover .whatsapp-tooltip {
            opacity: 1;
            visibility: visible;
        }

        @keyframes whatsappPulse {
            0% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
            }
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            cursor: pointer;
            color: var(--text-dark);
            padding: 8px;
        }

        /* Hero Section */
        .hero {
            position: relative;
            overflow: hidden;
            height: 100vh;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.6)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
            background-size: cover;
            background-position: center;
            opacity: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 0;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            font-family: 'Inter', sans-serif;
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 24px;
            line-height: 1.1;
            letter-spacing: -1.5px;
            color: white;
        }

        .hero p {
            font-size: 1.25rem;
            margin-bottom: 40px;
            opacity: 0.85;
            color: white;
            font-weight: 300;
            letter-spacing: 0.2px;
        }

        .hero-cta {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 16px 40px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            letter-spacing: 0.5px;
            transition: var(--transition-smooth);
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            border-radius: 8px;
            display: inline-block;
        }

        .btn-primary {
            background: var(--bg-white);
            color: var(--primary-color);
        }

        .btn-primary:hover {
            background: var(--bg-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-strong);
        }

        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: white;
            backdrop-filter: blur(10px);
        }

        /* Practice Areas */
        .practice-areas {
            padding: 100px 0;
            background: var(--bg-white);
        }

        .section-title {
            font-family: 'Inter', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 60px;
            color: var(--primary-color);
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -16px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: var(--gradient-dark);
        }

        .practice-grid {
            display: grid;
            gap: 30px;
            margin-bottom: 60px;
        }

        .practice-card {
            background: var(--bg-white);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            transition: var(--transition-smooth);
            position: relative;
            border-radius: 8px;
        }

        .practice-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-dark);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .practice-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-strong);
        }

        .practice-card:hover::before {
            transform: scaleX(1);
        }

        .practice-header {
            padding: 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: var(--transition-smooth);
            background: var(--bg-white);
        }

        .practice-header:hover {
            background: var(--bg-light);
        }

        .practice-icon {
            width: 60px;
            height: 60px;
            background: var(--gradient-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: white;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
            border-radius: 8px;
        }

        .practice-icon::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
            transform: translateX(-100%);
            transition: transform 0.6s ease;
        }

        .practice-card:hover .practice-icon::before {
            transform: translateX(100%);
        }

        .practice-info {
            flex: 1;
        }

        .practice-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .practice-subtitle {
            color: var(--text-light);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }

        .practice-toggle {
            background: none;
            border: none;
            font-size: 18px;
            color: var(--text-light);
            cursor: pointer;
            transition: var(--transition-smooth);
            padding: 8px;
        }

        .practice-toggle:hover {
            color: var(--primary-color);
        }

        .practice-toggle.active {
            transform: rotate(180deg);
            color: var(--primary-color);
        }

        .practice-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .practice-content.active {
            max-height: 800px;
        }

        .practice-details {
            padding: 0 24px 24px;
            background: var(--bg-light);
        }

        .practice-services {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 24px;
        }

        .service-item {
            background: var(--bg-white);
            padding: 20px;
            position: relative;
            overflow: hidden;
            transition: var(--transition-smooth);
            border-radius: 8px;
            box-shadow: var(--shadow-subtle);
        }

        .service-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--gradient-dark);
            transform: scaleY(0);
            transition: transform 0.3s ease;
        }

        .service-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-medium);
        }

        .service-item:hover::before {
            transform: scaleY(1);
        }

        .service-item h4 {
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
            font-size: 16px;
        }

        .service-item p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.5;
        }

        .practice-cta {
            text-align: center;
            margin-top: 24px;
        }

        .practice-cta .btn {
            background: var(--primary-color);
            color: white;
            padding: 14px 32px;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.5px;
            transition: var(--transition-smooth);
            display: inline-block;
            position: relative;
            overflow: hidden;
            border-radius: 8px;
        }

        .practice-cta .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s ease;
        }

        .practice-cta .btn:hover {
            background: var(--secondary-color);
            transform: translateY(-2px);
            box-shadow: var(--shadow-medium);
        }

        .practice-cta .btn:hover::before {
            left: 100%;
        }

        /* Other Services */
        .other-services {
            padding: 100px 0;
            background: var(--bg-light);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            text-align: center;
            padding: 40px 30px;
            background: var(--bg-white);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
            border-radius: 8px;
            box-shadow: var(--shadow-subtle);
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--gradient-dark);
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-strong);
            color: white;
        }

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

        .service-card > * {
            position: relative;
            z-index: 2;
        }

        .service-card-icon {
            width: 70px;
            height: 70px;
            background: var(--gradient-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            font-size: 28px;
            color: white;
            transition: var(--transition-smooth);
            border-radius: 50%;
        }

        .service-card:hover .service-card-icon {
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-dark);
            transition: var(--transition-smooth);
        }

        .service-card:hover h3 {
            color: white;
        }

        .service-card p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.6;
            transition: var(--transition-smooth);
        }

        .service-card:hover p {
            color: rgba(255, 255, 255, 0.8);
        }

        /* Final CTA */
        .final-cta {
            background: var(--gradient-dark);
            color: white;
            padding: 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .final-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="dots" width="40" height="40" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23dots)"/></svg>');
        }

        .final-cta > * {
            position: relative;
            z-index: 2;
        }

        .final-cta h2 {
            font-family: 'Inter', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .final-cta p {
            font-size: 1.125rem;
            margin-bottom: 40px;
            opacity: 0.8;
            font-weight: 300;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .contact-info {
            display: flex;
            justify-content: center;
            gap: 60px;
            margin-top: 60px;
            flex-wrap: wrap;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 16px;
            font-weight: 500;
            transition: var(--transition-smooth);
        }

        .contact-item:hover {
            transform: translateY(-2px);
        }

        .contact-item i {
            font-size: 18px;
            opacity: 0.7;
        }

        /* Footer */
        .footer {
            background: var(--primary-color);
            color: white;
            padding: 40px 0;
            text-align: center;
        }

        .footer p {
            opacity: 0.6;
            font-size: 14px;
            letter-spacing: 0.5px;
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 2000;
            opacity: 0;
            transition: opacity 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .modal.active {
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 1;
        }

        .modal-content {
            background: var(--bg-white);
            padding: 40px;
            max-width: 500px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
            transform: scale(0.9);
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: var(--shadow-strong);
            border-radius: 12px;
        }

        .modal.active .modal-content {
            transform: scale(1);
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
        }

        .modal-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-color);
            letter-spacing: -0.5px;
        }

        .modal-close {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--text-light);
            transition: var(--transition-smooth);
            padding: 4px;
        }

        .modal-close:hover {
            color: var(--primary-color);
            transform: rotate(90deg);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-dark);
            font-size: 14px;
            letter-spacing: 0.3px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 16px;
            background: var(--bg-light);
            border: 2px solid transparent;
            font-size: 16px;
            transition: var(--transition-smooth);
            font-family: inherit;
            border-radius: 8px;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary-color);
            background: var(--bg-white);
            box-shadow: var(--shadow-medium);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero p {
                font-size: 1rem;
            }

            .hero-cta {
                flex-direction: column;
                align-items: center;
                gap: 16px;
            }

            .section-title {
                font-size: 1.75rem;
            }

            .practice-services {
                grid-template-columns: 1fr;
            }

            .services-grid {
                grid-template-columns: 1fr;
            }

            .contact-info {
                flex-direction: column;
                gap: 20px;
            }

            .final-cta h2 {
                font-size: 1.75rem;
            }

            .cta-button {
                bottom: 16px;
                right: 16px;
                width: 48px;
                height: 48px;
                font-size: 20px;
            }

            .whatsapp-tooltip {
                right: 60px;
                font-size: 12px;
            }
        }

        /* Smooth scrolling */
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
        }

        /* Loading animation */
        .loading {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .loading.loaded {
            opacity: 1;
            transform: translateY(0);
        }

        /* Scroll animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .animate-on-scroll.animated {
            opacity: 1;
            transform: translateY(0);
        }

        /* Hover effects for links */
        a {
            transition: var(--transition-smooth);
        }

        /* Selection styles */
        ::selection {
            background: var(--primary-color);
            color: white;
        }

        /* Scrollbar styles */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-light);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--accent-color);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-color);
        }

        /* Mobile Menu */
        .mobile-menu-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1100;
            display: none;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .mobile-menu-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(3px);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .mobile-menu {
            position: absolute;
            top: 0;
            right: -320px;
            width: 280px;
            height: 100%;
            background: white;
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
            transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
            padding: 80px 0 20px;
        }
        
        .mobile-menu.active {
            right: 0;
        }
        
        .mobile-menu-container.active {
            display: block;
            opacity: 1;
        }
        
        .mobile-menu-container.active .mobile-menu-overlay {
            opacity: 1;
        }
        
        .mobile-menu-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .mobile-menu-links li {
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .mobile-menu-links a {
            display: block;
            padding: 16px 30px;
            text-decoration: none;
            color: var(--text-medium);
            font-weight: 500;
            font-size: 16px;
            transition: var(--transition-smooth);
        }
        
        .mobile-menu-links a:hover {
            background: var(--bg-light);
            color: var(--primary-color);
        }
        
        .mobile-menu-close {
            position: absolute;
            top: 24px;
            right: 24px;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-dark);
            cursor: pointer;
            padding: 8px;
            z-index: 2;
        }
        
        .mobile-menu-toggle i {
            font-size: 24px;
        }

        /* Work Process */
        .work-process {
            padding: 100px 0;
            background: var(--bg-white);
        }

        .process-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .process-card {
            flex: 1;
            min-width: 220px;
            max-width: 260px;
            text-align: center;
            padding: 30px 20px;
            position: relative;
            background: var(--bg-light);
            border-radius: 12px;
            box-shadow: var(--shadow-subtle);
            transition: var(--transition-smooth);
        }

        .process-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-medium);
        }

        .process-number {
            width: 50px;
            height: 50px;
            background: var(--gradient-dark);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
            border-radius: 50%;
            margin: 0 auto 20px;
            position: relative;
            z-index: 2;
        }

        .process-card h3 {
            font-size: 18px;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .process-card p {
            color: var(--text-light);
            font-size: 14px;
        }

        /* Testimonials */
        .testimonials {
            padding: 100px 0;
            background: var(--bg-light);
            text-align: center;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 60px auto 0;
        }

        .testimonial-card {
            background: var(--bg-white);
            padding: 30px;
            border-radius: 12px;
            box-shadow: var(--shadow-subtle);
            position: relative;
            text-align: left;
        }

        .testimonial-card::before {
            content: "❝";
            position: absolute;
            top: 15px;
            left: 15px;
            font-size: 80px;
            color: rgba(0, 0, 0, 0.05);
            font-family: Georgia, serif;
            line-height: 1;
        }

        .testimonial-content {
            margin-bottom: 20px;
            font-style: italic;
            color: var(--text-medium);
            position: relative;
            z-index: 2;
            font-size: 15px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
        }

        .author-image {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--gradient-dark);
            margin-right: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 20px;
            flex-shrink: 0;
        }

        .author-info h4 {
            margin-bottom: 5px;
            color: var(--text-dark);
            font-size: 16px;
        }

        .author-info p {
            color: var(--text-light);
            font-size: 14px;
        }

        /* Pricing Info */
        .pricing-info {
            padding: 100px 0;
            background: var(--bg-white);
            text-align: center;
        }

        .pricing-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .pricing-content p {
            margin-bottom: 30px;
            font-size: 18px;
            color: var(--text-medium);
        }

        .pricing-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            text-align: left;
            max-width: 1000px;
            margin: 40px auto;
        }

        .pricing-feature {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .pricing-feature i {
            color: var(--primary-color);
            font-size: 20px;
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* FAQ Section */
        .faq-section {
            padding: 100px 0;
            background: var(--bg-light);
        }

        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 20px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
        }

        .faq-question {
            padding: 20px 30px;
            background: var(--bg-white);
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition-smooth);
        }

        .faq-question:hover {
            background: var(--bg-medium);
        }

        .faq-question i {
            transition: var(--transition-smooth);
        }

        .faq-question.active i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 30px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            background: var(--bg-white);
            font-size: 15px;
            color: var(--text-medium);
        }

        .faq-answer.active {
            max-height: 500px;
            padding: 20px 30px;
        }

         .custom-checkbox {
        display: flex;
        align-items: flex-start;
        gap: 0.5rem;
        font-size: 0.9rem;
        line-height: 1.4;
    }
 
    .custom-checkbox input[type="checkbox"] {
        width: 18px;
        height: 18px;
        accent-color: #007BFF; /* Azul profesional */
        margin-top: 2px;
        cursor: pointer;
    }

    .custom-checkbox label {
        cursor: pointer;
    }

    /* Mobile Menu */
.mobile-menu-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1100;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(3px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu {
    position: absolute;
    top: 0;
    right: -320px;
    width: 280px;
    height: 100%;
    background: white;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    padding: 80px 0 20px;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-container.active {
    display: block;
    opacity: 1;
}

.mobile-menu-container.active .mobile-menu-overlay {
    opacity: 1;
}

.mobile-menu-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu-links li {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mobile-menu-links a {
    display: block;
    padding: 16px 30px;
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    font-size: 16px;
    transition: var(--transition-smooth);
}

.mobile-menu-links a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.mobile-menu-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
    padding: 8px;
    z-index: 2;
}

.mobile-menu-toggle i {
    font-size: 24px;
}

/* Dropdown styles */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: white;
    min-width: 280px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    border-radius: 8px;
    padding: 10px 0;
    top: 100%;
    left: 0;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    color: var(--text-medium);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 14px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.dropdown-content a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.dropdown-content a:last-child {
    border-bottom: none;
}

/* Promo modal (estilo limpio y profesional) */
.promo-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1200;
  padding: 20px; /* evita que se corte en pantallas pequeñas */
}

.promo-modal.active {
  display: flex;
}

.promo-modal::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.45); /* velo claro */
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.promo-modal-content {
  position: relative;
  max-width: 720px;
  width: 100%;
  max-height: 90vh;     /* no se sale de la pantalla */
  overflow-y: auto;     /* si el contenido es largo, scroll interno */
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 18px 50px rgba(8,10,20,0.18);
  z-index: 1201;
  animation: fadeInUp .35s ease;
}

/* animación suave */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* content */
.promo-body {
  padding: 34px 36px;
  text-align: center;
  font-family: 'Inter', sans-serif;
}

.promo-icon {
  width: 68px;
  height: 68px;
  margin: -46px auto 12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: linear-gradient(135deg, #ff7a7a, #ff4950);
  color: white;
  font-size: 30px;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(255,73,80,0.18);
}

/* title & text */
.promo-body h2 {
  margin: 8px 0 10px;
  font-size: 24px;
  letter-spacing: -0.3px;
  color: #0f1724;
}

.promo-body p {
  margin: 0 0 18px;
  color: #374151;
  font-size: 15px;
  line-height: 1.45;
}

/* actions */
.promo-actions {
  display:flex;
  gap:12px;
  justify-content:center;
  margin-top: 8px;
  flex-wrap:wrap;
}

.promo-actions .btn.btn-primary {
  padding: 12px 22px;
  font-weight: 600;
  border-radius: 999px;
  box-shadow: 0 8px 18px rgba(34,110,255,0.08);
}

/* dismiss link style */
.promo-dismiss {
  background: transparent;
  border: none;
  color: #6b7280;
  padding: 10px 12px;
  cursor: pointer;
  font-size: 14px;
  text-decoration: underline;
  border-radius: 8px;
}

.promo-dismiss:hover { color: #374151; }

/* close button top-right */
.promo-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: transparent;
  border: 0;
  font-size: 22px;
  color: #6b7280;
  cursor: pointer;
}

.promo-close:hover { color: #111827; }

/* small note */
.promo-note {
  display:block;
  margin-top: 12px;
  color: #9ca3af;
  font-size: 12px;
}

/* Responsive tweaks */
@media (max-width: 600px) {
  .promo-body { padding: 22px; }
  .promo-icon { width:56px; height:56px; font-size:24px; border-radius:12px; margin-top: -36px; }
  .promo-body h2 { font-size:20px; }
}