/* ========== CUENTA DE DEMOSTRACIÓN - CLEAN PREMIUM (APPLE STYLE) ========== */

:root {
    /* Modo Claro */
    --demo-bg: #ffffff;
    --demo-surface: #f9f9fb;
    --demo-border: rgba(60, 60, 67, 0.08);
    --demo-text-primary: #1d1c21;
    --demo-text-secondary: #6c6a70;
    --demo-text-tertiary: #8e8c93;
    --demo-accent-blue: #0071e3;
    --demo-accent-green: #28cd41;
    --demo-accent-whatsapp: #25D366;
    --demo-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.02);
    --demo-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.04);
    --demo-radius-lg: 24px;
    --demo-radius-md: 16px;
    --demo-radius-sm: 12px;
    --demo-font: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', sans-serif;
    --demo-font-display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
    --input-bg: #ffffff;
    --checkbox-bg: #ffffff;
    --required-red: #ff3b30;
    --success-bg: #e3f7e7;
    --success-text: #1e7b3c;
    --error-bg: #fee9e7;
    --error-text: #c62828;
    --gradient-start: #f0f7ff;
    --gradient-end: #ffffff;
    --support-gradient-start: #f0f7ff;
    --support-gradient-end: #ffffff;
    --final-cta-bg-start: #1d1c21;
    --final-cta-bg-end: #2c2c2e;
    --final-cta-text: rgba(255, 255, 255, 0.7);
    --badge-shadow: rgba(0, 113, 227, 0.3);
    --whatsapp-shadow: rgba(37, 211, 102, 0.3);
    --step-shadow: rgba(0, 113, 227, 0.3);
}

/* Modo Oscuro */
[data-theme="dark"] {
    --demo-bg: #000000;
    --demo-surface: #1c1c1e;
    --demo-border: rgba(84, 84, 88, 0.3);
    --demo-text-primary: #ffffff;
    --demo-text-secondary: #8e8c93;
    --demo-text-tertiary: #636366;
    --demo-accent-blue: #0a84ff;
    --demo-accent-green: #30d158;
    --demo-accent-whatsapp: #25D366;
    --demo-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --demo-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
    --input-bg: #2c2c30;
    --checkbox-bg: #2c2c30;
    --required-red: #ff453a;
    --success-bg: #1a3a2a;
    --success-text: #4cd964;
    --error-bg: #3a1a1a;
    --error-text: #ff6b6b;
    --gradient-start: #1c1c1e;
    --gradient-end: #000000;
    --support-gradient-start: #1c1c1e;
    --support-gradient-end: #000000;
    --final-cta-bg-start: #000000;
    --final-cta-bg-end: #1c1c1e;
    --final-cta-text: rgba(255, 255, 255, 0.6);
    --badge-shadow: rgba(10, 132, 255, 0.3);
    --whatsapp-shadow: rgba(37, 211, 102, 0.4);
    --step-shadow: rgba(10, 132, 255, 0.3);
}

.demo-premium {
    background-color: var(--demo-bg);
    padding: 80px 0;
    font-family: var(--demo-font);
    color: var(--demo-text-primary);
    line-height: 1.4;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.demo-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* --- Tipografía --- */
.demo-premium h1,
.demo-premium h2,
.demo-premium h3,
.demo-premium h4 {
    font-family: var(--demo-font-display);
    font-weight: 500;
    letter-spacing: -0.02em;
}

.demo-premium p {
    color: var(--demo-text-secondary);
    transition: color 0.3s ease;
}

/* --- Encabezado --- */
.demo-header {
    text-align: center;
    margin-bottom: 56px;
}

.demo-subtitle {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--demo-text-secondary);
    margin-bottom: 16px;
    transition: color 0.3s ease;
}

.demo-subtitle i {
    margin-right: 6px;
    opacity: 0.7;
}

.demo-title {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    color: var(--demo-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
    transition: color 0.3s ease;
}

.version-badge {
    background: var(--demo-surface);
    color: var(--demo-text-primary);
    padding: 6px 18px;
    border-radius: 40px;
    font-size: 1.1rem;
    font-weight: 500;
    border: 1px solid var(--demo-border);
    box-shadow: var(--demo-shadow-sm);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

.demo-description {
    font-size: 1.2rem;
    color: var(--demo-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.5;
    font-weight: 400;
    transition: color 0.3s ease;
}

/* --- Grid principal --- */
.demo-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr;
    gap: 32px;
    margin-bottom: 64px;
}

/* --- Formulario demo --- */
.demo-form-container {
    position: relative;
}

.demo-form-card {
    background: var(--demo-surface);
    border: 1px solid var(--demo-border);
    border-radius: var(--demo-radius-lg);
    padding: 36px;
    box-shadow: var(--demo-shadow-sm);
    position: sticky;
    top: 100px;
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-title {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--demo-text-primary);
    transition: color 0.3s ease;
}

.form-subtitle {
    font-size: 0.95rem;
    color: var(--demo-text-secondary);
    margin-bottom: 28px;
    transition: color 0.3s ease;
}

.demo-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    width: 100%;
}

.form-row.double {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    position: relative;
    width: 100%;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--demo-text-primary);
    margin-bottom: 6px;
    transition: color 0.3s ease;
}

.required {
    color: var(--required-red);
    margin-left: 2px;
    transition: color 0.3s ease;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px 14px 45px;
    border: 1px solid var(--demo-border);
    border-radius: var(--demo-radius-sm);
    font-size: 0.95rem;
    transition: all 0.2s ease;
    background: var(--input-bg);
    font-family: var(--demo-font);
    color: var(--demo-text-primary);
}

.form-group select {
    appearance: none;
    padding-right: 40px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%236c6a70"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
}

[data-theme="dark"] .form-group select {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%238e8c93"><path d="M7 10l5 5 5-5z"/></svg>');
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--demo-accent-blue);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus,
[data-theme="dark"] .form-group textarea:focus {
    box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.2);
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 41px;
    color: var(--demo-text-tertiary);
    font-size: 1rem;
    pointer-events: none;
    transition: color 0.3s ease;
}

.select-icon {
    position: absolute;
    right: 16px;
    top: 41px;
    color: var(--demo-text-tertiary);
    pointer-events: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

/* --- Checkbox --- */
.checkbox-row {
    margin: 4px 0;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    padding-left: 30px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--demo-text-secondary);
    user-select: none;
    transition: color 0.3s ease;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: var(--checkbox-bg);
    border: 2px solid var(--demo-border);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--demo-accent-blue);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--demo-accent-blue);
    border-color: var(--demo-accent-blue);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container a {
    color: var(--demo-accent-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.checkbox-container a:hover {
    text-decoration: underline;
}

/* --- Botón enviar --- */
.demo-submit-btn {
    width: 100%;
    padding: 16px 24px;
    background: var(--demo-accent-blue);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
}

.demo-submit-btn:hover {
    background: var(--demo-accent-blue);
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px var(--badge-shadow);
}

.demo-submit-btn i {
    transition: transform 0.2s ease;
}

.demo-submit-btn:hover i {
    transform: translateX(4px);
}

.form-footer-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--demo-text-tertiary);
    margin-top: 16px;
    transition: color 0.3s ease;
}

.form-footer-note i {
    color: var(--demo-accent-green);
    transition: color 0.3s ease;
}

.form-message {
    padding: 12px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    display: none;
}

.form-message.success {
    background: var(--success-bg);
    color: var(--success-text);
    display: block;
    border: 1px solid transparent;
}

.form-message.error {
    background: var(--error-bg);
    color: var(--error-text);
    display: block;
    border: 1px solid transparent;
}

/* --- Columna derecha: Beneficios --- */
.demo-benefits-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.benefits-card {
    background: var(--demo-surface);
    border: 1px solid var(--demo-border);
    border-radius: var(--demo-radius-md);
    padding: 24px;
    transition: transform 0.2s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.benefits-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--demo-shadow-md);
}

.benefits-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.benefits-header i {
    font-size: 1.6rem;
    color: var(--demo-accent-blue);
    transition: color 0.3s ease;
}

.benefits-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--demo-text-primary);
    transition: color 0.3s ease;
}

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

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: var(--demo-text-secondary);
    transition: color 0.3s ease;
}

.benefits-list li i {
    color: var(--demo-accent-green);
    font-size: 1rem;
    transition: color 0.3s ease;
}

.benefits-list li strong {
    color: var(--demo-text-primary);
    font-weight: 600;
    transition: color 0.3s ease;
}

/* --- Mini grid de funcionalidades --- */
.features-mini-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.feature-mini {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--demo-text-secondary);
    padding: 6px 0;
    transition: color 0.3s ease;
}

.feature-mini i {
    color: var(--demo-accent-blue);
    width: 18px;
    transition: color 0.3s ease;
}

/* --- Testimonios mini --- */
.testimonials-mini {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.testimonial-mini {
    position: relative;
    padding-left: 24px;
}

.testimonial-mini i {
    position: absolute;
    left: 0;
    top: 0;
    color: var(--demo-text-tertiary);
    opacity: 0.3;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.testimonial-mini p {
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 6px;
    line-height: 1.5;
    color: var(--demo-text-secondary);
    transition: color 0.3s ease;
}

.testimonial-author {
    font-size: 0.85rem;
    color: var(--demo-text-tertiary);
    transition: color 0.3s ease;
}

.testimonial-author strong {
    color: var(--demo-text-primary);
    font-weight: 600;
    transition: color 0.3s ease;
}

/* --- Tarjeta de soporte --- */
.support-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(135deg, var(--support-gradient-start), var(--support-gradient-end));
}

.support-card i {
    font-size: 2.2rem;
    color: var(--demo-accent-whatsapp);
    transition: color 0.3s ease;
}

.support-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--demo-text-primary);
    transition: color 0.3s ease;
}

.support-card p {
    font-size: 0.85rem;
    margin-bottom: 8px;
    color: var(--demo-text-secondary);
    transition: color 0.3s ease;
}

.whatsapp-demo-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--demo-accent-whatsapp);
    color: white;
    padding: 8px 16px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.whatsapp-demo-link:hover {
    background: #20b859;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--whatsapp-shadow);
}

/* --- Pasos --- */
.demo-steps {
    text-align: center;
    margin-bottom: 64px;
}

.steps-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 40px;
    color: var(--demo-text-primary);
    transition: color 0.3s ease;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.step-item {
    position: relative;
    padding: 32px 24px;
    background: var(--demo-surface);
    border: 1px solid var(--demo-border);
    border-radius: var(--demo-radius-md);
    transition: all 0.2s ease;
}

.step-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--demo-shadow-md);
    border-color: var(--demo-accent-blue);
}

[data-theme="dark"] .step-item:hover {
    border-color: rgba(10, 132, 255, 0.4);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 36px;
    background: var(--demo-accent-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 4px 10px var(--step-shadow);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.step-icon {
    font-size: 2rem;
    color: var(--demo-accent-blue);
    margin-bottom: 16px;
    transition: color 0.3s ease;
}

.step-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--demo-text-primary);
    transition: color 0.3s ease;
}

.step-item p {
    font-size: 0.9rem;
    color: var(--demo-text-secondary);
    transition: color 0.3s ease;
}

/* --- FAQ --- */
.demo-faq {
    margin-bottom: 64px;
}

.faq-title {
    font-size: 1.6rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
    color: var(--demo-text-primary);
    transition: color 0.3s ease;
}

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

.faq-item {
    background: var(--demo-surface);
    border: 1px solid var(--demo-border);
    border-radius: var(--demo-radius-md);
    padding: 20px;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.faq-question i {
    color: var(--demo-accent-blue);
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.faq-question span {
    font-weight: 600;
    color: var(--demo-text-primary);
    transition: color 0.3s ease;
}

.faq-answer {
    padding-left: 28px;
    font-size: 0.9rem;
    color: var(--demo-text-secondary);
    line-height: 1.5;
    transition: color 0.3s ease;
}

/* --- CTA final --- */
.demo-final-cta {
    background: linear-gradient(135deg, var(--final-cta-bg-start), var(--final-cta-bg-end));
    color: white;
    border-radius: var(--demo-radius-lg);
    padding: 40px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 28px;
    transition: background 0.3s ease;
}

.final-cta-content {
    display: flex;
    align-items: center;
    gap: 24px;
}

.final-cta-content i {
    font-size: 2.5rem;
    color: #ffb74d;
}

.final-cta-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: white;
}

.final-cta-content p {
    font-size: 1rem;
    color: var(--final-cta-text);
    transition: color 0.3s ease;
}

.final-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--demo-accent-blue);
    color: white;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.final-cta-button:hover {
    background: var(--demo-accent-blue);
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px var(--badge-shadow);
}

.final-cta-button i {
    transition: transform 0.2s ease;
}

.final-cta-button:hover i {
    transform: translateY(4px);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .demo-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-form-card {
        position: static;
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .demo-premium {
        padding: 60px 0;
    }
    
    .demo-container {
        padding: 0 24px;
    }
    
    .demo-form-card {
        padding: 24px;
    }
    
    .form-row.double {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .features-mini-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-final-cta {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .final-cta-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .final-cta-button {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .demo-header {
        margin-bottom: 40px;
    }
    
    .demo-title {
        flex-direction: column;
        gap: 12px;
    }
    
    .benefits-card {
        padding: 20px;
    }
    
    .support-card {
        flex-direction: column;
        text-align: center;
    }
    
    .step-item {
        padding: 28px 16px;
    }
}