body.dark-mode {
    /* Colores con mejor contraste */
    --color-bg-primary: #0F172A;
    --color-bg-secondary: #1E293B;
    --color-text-primary: #F1F5F9;
    --color-text-secondary: #CBD5E1;
    --color-text-tertiary: #1E293B;

    /* Gradientes oscuros */
    --gradient-primary: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
    --gradient-hero: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(26, 188, 156, 0.7) 100%);
    --gradient-card: linear-gradient(135deg, rgba(46, 204, 113, 0.15) 0%, rgba(26, 188, 156, 0.15) 100%);
    
    /* Sombras oscuros */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
}

/* === NAVBAR DARK MODE === */
body.dark-mode .navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .nav-logo,
body.dark-mode .nav-link {
    color: var(--color-text-primary);
}

body.dark-mode .nav-link:hover,
body.dark-mode .nav-link.active {
    background: rgba(46, 204, 113, 0.2);
    color: var(--color-verde-esmeralda);
}

body.dark-mode .dropdown-content {
    background: #1E293B;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .dropdown-content a {
    color: var(--color-text-primary);
}

body.dark-mode .dropdown-content a:hover {
    background: var(--gradient-card);
    color: var(--color-verde-esmeralda);
}

body.dark-mode .theme-toggle {
    background: rgba(46, 204, 113, 0.2);
    color: var(--color-verde-esmeralda);
}

body.dark-mode .mobile-menu-toggle span {
    background: var(--color-text-primary);
}

/* === MOBILE MENU DARK MODE === */
@media (max-width: 968px) {
    body.dark-mode .nav-menu {
        background: #1E293B;
        border-left: 1px solid rgba(255, 255, 255, 0.1);
    }
}

/* === SECTIONS DARK MODE === */
body.dark-mode .nosotros {
    background: var(--color-bg-primary);
}

body.dark-mode .section-title {
    color: var(--color-text-primary);
}

body.dark-mode .nosotros-content p {
    color: var(--color-text-secondary);
}

body.dark-mode .stat-item {
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

body.dark-mode .stat-label {
    color: var(--color-text-secondary);
}

/* === IMPACTO SECTION DARK MODE === */
body.dark-mode .impacto {
    background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
}

body.dark-mode .impacto-card {
    background: #1E293B;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .impacto-card:hover {
    border-color: var(--color-verde-esmeralda);
}

body.dark-mode .card-label {
    color: var(--color-text-secondary);
}

body.dark-mode .impacto-message {
    background: #1E293B;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .impacto-message p {
    color: black;
}

/* ===================================
   TESTIMONIOS DARK MODE
   (Las reglas de flip están en testimonials CSS)
   =================================== */
body.dark-mode .testimonios {
    background: var(--color-bg-primary);
}

body.dark-mode .section-subtitle {
    color: var(--color-text-secondary);
}

body.dark-mode .cta-button-secondary {
    background: transparent;
    color: var(--color-verde-esmeralda);
    border: 2px solid var(--color-verde-esmeralda);
}

body.dark-mode .cta-button-secondary:hover {
    background: var(--color-verde-esmeralda);
    color: white;
}

/* === UNETE SECTION DARK MODE === */
body.dark-mode .unete {
    background: linear-gradient(135deg, #0F172A, #1E293B);
}

/* ===================================
   CONTACTO & FORMULARIOS - MÁS CLAROS
   =================================== */
body.dark-mode .contacto {
    background: var(--color-bg-secondary);
}

body.dark-mode .contacto-description {
    color: var(--color-text-secondary);
}

body.dark-mode .contact-item {
    background: #0F172A;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .contact-item:hover {
    border-color: var(--color-verde-esmeralda);
}

body.dark-mode .contact-item h4 {
    color: var(--color-text-primary);
}

body.dark-mode .contact-item p {
    color: var(--color-text-secondary);
}

body.dark-mode .contacto-form {
    background: #0F172A;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .form-group label {
    color: black;
}
body.dark-mode .formm-group label {
    color: white;
}
/* ✅ INPUTS MÁS CLAROS */
body.dark-mode .form-group input,
body.dark-mode .form-group textarea {
    background: #475569;
    border: 2px solid #64748B;
    color: #F8FAFC;
}

body.dark-mode .form-group input::placeholder,
body.dark-mode .form-group textarea::placeholder {
    color: #CBD5E1;
    opacity: 0.7;
}

body.dark-mode .form-group input:focus,
body.dark-mode .form-group textarea:focus {
    background: #64748B;
    border-color: var(--color-verde-esmeralda);
    color: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.25);
}

/* Autocomplete */
body.dark-mode input:-webkit-autofill,
body.dark-mode input:-webkit-autofill:hover,
body.dark-mode input:-webkit-autofill:focus,
body.dark-mode textarea:-webkit-autofill,
body.dark-mode textarea:-webkit-autofill:hover,
body.dark-mode textarea:-webkit-autofill:focus {
    -webkit-text-fill-color: #F8FAFC !important;
    -webkit-box-shadow: 0 0 0px 1000px #475569 inset !important;
    transition: background-color 5000s ease-in-out 0s;
}

/* === FOOTER DARK MODE === */
body.dark-mode .footer {
    background: #0F172A;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .footer-description,
body.dark-mode .footer-links a,
body.dark-mode .footer-bottom {
    color: var(--color-text-secondary);
}

body.dark-mode .footer-links a:hover {
    color: var(--color-verde-esmeralda);
}

body.dark-mode .social-links a {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .social-links a:hover {
    background: var(--color-verde-esmeralda);
    border-color: var(--color-verde-esmeralda);
}

/* === CARDS GENERAL DARK MODE === */
body.dark-mode .nosotros-image img {
    border: 2px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .image-decoration {
    border-color: var(--color-verde-esmeralda);
}

/* === SCROLL INDICATOR DARK MODE === */
body.dark-mode .mouse {
    border-color: rgba(255, 255, 255, 0.8);
}

body.dark-mode .wheel {
    background: rgba(255, 255, 255, 0.9);
}

/* === VIDEO OVERLAY DARK MODE === */
body.dark-mode .video-overlay {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(26, 188, 156, 0.7) 100%);
}

/* === BUTTONS DARK MODE === */
body.dark-mode .hero-cta,
body.dark-mode .cta-button-primary,
body.dark-mode .submit-button {
    box-shadow: 0 4px 16px rgba(46, 204, 113, 0.3);
}

body.dark-mode .hero-cta:hover,
body.dark-mode .cta-button-primary:hover,
body.dark-mode .submit-button:hover {
    box-shadow: 0 8px 32px rgba(46, 204, 113, 0.4);
}

/* === FORM STATUS DARK MODE === */
body.dark-mode .form-status.success {
    background: rgba(46, 204, 113, 0.2);
    color: #6EE7B7;
    border: 1px solid rgba(46, 204, 113, 0.3);
}

body.dark-mode .form-status.error {
    background: rgba(239, 68, 68, 0.2);
    color: #FCA5A5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ===================================
   TRANSICIONES - EXCLUIR FLIP
   NO aplicar transiciones globales a tarjetas
   =================================== */
body.dark-mode {
    transition: background-color 0.3s ease;
}

/* Solo elementos específicos, NO las tarjetas de testimonios */
body.dark-mode .navbar,
body.dark-mode .nav-link,
body.dark-mode .footer,
body.dark-mode .contact-item,
body.dark-mode .impacto-card,
body.dark-mode .stat-item,
body.dark-mode button:not(.testimonial-card *),
body.dark-mode a:not(.testimonial-card *) {
    transition: all 0.3s ease;
}

/* ❌ ELIMINADO: La regla global que rompía el flip */
/* body.dark-mode * { transition: ... } */

/* === SPECIAL DARK MODE EFFECTS === */
body.dark-mode .impacto-card.featured {
    background: linear-gradient(135deg, #2ECC71, #1ABC9C);
    box-shadow: 0 8px 32px rgba(46, 204, 113, 0.4);
}

body.dark-mode .impacto-card.featured:hover {
    box-shadow: 0 12px 48px rgba(46, 204, 113, 0.5);
}

/* === GLOW EFFECTS DARK MODE === */
body.dark-mode .hero-title {
    text-shadow: 0 0 30px rgba(46, 204, 113, 0.3),
                 0 4px 20px rgba(0, 0, 0, 0.5);
}

body.dark-mode .section-title-large {
    text-shadow: 0 0 30px rgba(46, 204, 113, 0.2);
}

/* === CARD ICON GLOW === */
body.dark-mode .card-icon {
    background: var(--gradient-card);
    box-shadow: 0 0 20px rgba(46, 204, 113, 0.2);
}

body.dark-mode .impacto-card:hover .card-icon {
    box-shadow: 0 0 30px rgba(46, 204, 113, 0.4);
}

/* === INPUT ERROR DARK MODE === */
body.dark-mode .input-error {
    color: #FCA5A5;
}

/* === LOADING STATE DARK MODE === */
body.dark-mode .submit-button:disabled {
    background: #334155;
    color: #64748B;
    cursor: not-allowed;
}

/* === ACCESSIBILITY === */
body.dark-mode *:focus-visible {
    outline: 2px solid var(--color-verde-esmeralda);
    outline-offset: 2px;
}

/* === CUSTOM SCROLLBAR DARK MODE === */
body.dark-mode::-webkit-scrollbar {
    width: 12px;
}

body.dark-mode::-webkit-scrollbar-track {
    background: #0F172A;
}

body.dark-mode::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 6px;
}

body.dark-mode::-webkit-scrollbar-thumb:hover {
    background: var(--color-verde-esmeralda);
}

/* === SELECTION COLOR DARK MODE === */
body.dark-mode ::selection {
    background: rgba(46, 204, 113, 0.3);
    color: var(--color-text-primary);
}

body.dark-mode ::-moz-selection {
    background: rgba(46, 204, 113, 0.3);
    color: var(--color-text-primary);
}

/* === ANIMATED ELEMENTS DARK MODE === */
body.dark-mode .stat-number {
    color: var(--color-verde-esmeralda);
    text-shadow: 0 0 10px rgba(46, 204, 113, 0.3);
}

body.dark-mode .card-number {
    color: var(--color-verde-esmeralda);
    text-shadow: 0 0 10px rgba(46, 204, 113, 0.3);
}

/* === SPECIAL HOVER STATES === */
body.dark-mode .stat-item:hover {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.25) 0%, rgba(26, 188, 156, 0.25) 100%);
    border-color: var(--color-verde-esmeralda);
}

/* === ENHANCED CARD BORDERS === */
body.dark-mode .impacto-card,
body.dark-mode .contact-item,
body.dark-mode .stat-item,
body.dark-mode .contacto-form {
    border: 1px solid rgba(46, 204, 113, 0.1);
}

/* === RESPONSIVE DARK MODE === */
@media (max-width: 968px) {
    body.dark-mode .nav-menu {
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(10px);
    }
}

@media (max-width: 640px) {
    body.dark-mode .hero-title {
        text-shadow: 0 0 20px rgba(46, 204, 113, 0.2),
                     0 2px 10px rgba(0, 0, 0, 0.5);
    }
}

/* === SUBTLE ANIMATIONS === */
@keyframes dark-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(46, 204, 113, 0.2);
    }
    50% {
        box-shadow: 0 0 30px rgba(46, 204, 113, 0.4);
    }
}

body.dark-mode .impacto-card.featured {
    animation: dark-glow 3s ease-in-out infinite;
}

/* === PREMIUM DARK MODE DETAILS === */
body.dark-mode .footer-col h4 {
    color: var(--color-verde-esmeralda);
    text-shadow: 0 0 10px rgba(46, 204, 113, 0.3);
}

body.dark-mode .section-title {
    background: linear-gradient(135deg, #F1F5F9, var(--color-verde-esmeralda));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === PERFORMANCE OPTIMIZATION === */
body.dark-mode .video-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.3);
    z-index: 1;
}