/* Base Variables */
:root {
    --color-primary: #0A2540;
    --color-secondary: #1F2933;
    --color-accent: #2E6BFF;
    --color-white: #FFFFFF;
    --color-bg-light: #F5F7FA;
    --color-text-dark: #1F2933;
    --color-text-light: #CBD2D9;

    --font-main: 'Inter', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;

    --shadow-soft: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-modal: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

/* =========================================
   ARREGLO DE VISIBILIDAD (AQUÍ ESTABA EL ERROR)
   Hemos puesto opacity: 1 para que todo se vea siempre
   ========================================= */

.animate-on-scroll {
    opacity: 1; /* ANTES ERA 0 */
    transform: translateY(0); /* ANTES ERA 30px */
    transition: none;
}

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

/* Staggered delays helper - Desactivados para que cargue rápido */
.delay-100, .delay-200, .delay-300 {
    transition-delay: 0s;
}

/* =========================================
   Section Reveal
   ========================================= */
.section-reveal {
    position: relative;
    overflow: hidden;
}

.section-reveal>.container {
    position: relative;
    z-index: 2;
}

.section-reveal::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 300%;
    height: 300%;
    z-index: 0;
    pointer-events: none;
    /* Fondo simple sin rotaciones 3D complejas para evitar bugs visuales */
    background: transparent;
}

/* Reset & Base Styles */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-main);
    color: var(--color-text-dark);
    line-height: 1.6;
    background-color: var(--color-bg-light);
}

a { text-decoration: none; color: inherit; transition: color 0.3s ease; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Typography */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; margin-bottom: var(--spacing-sm); }

h1 { font-size: 2.5rem; color: var(--color-primary); }
h2 { font-size: 2rem; color: var(--color-primary); }
h3 { font-size: 1.25rem; color: var(--color-secondary); }

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(46, 107, 255, 0.4);
}
.btn-primary:hover { background-color: #1a54db; transform: translateY(-2px); }

.btn-secondary { background-color: var(--color-primary); color: var(--color-white); }
.btn-secondary:hover { background-color: #061a2e; }

.btn-outline { background-color: transparent; border: 2px solid var(--color-primary); color: var(--color-primary); }
.btn-outline:hover { background-color: var(--color-primary); color: var(--color-white); }

.btn-whatsapp-large {
    background-color: #25D366;
    color: white;
    font-size: 1.2rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
}
.btn-whatsapp-large:hover { background-color: #1ebc57; transform: scale(1.05); }
.full-width { width: 100%; }

/* Header */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-soft);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.8rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo { display: flex; align-items: center; gap: 0.8rem; }

.header-logo {
    height: 90px;
    width: 90px;
    object-fit: contain;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    background-color: #f8fafc;
    padding: 6px;
    box-sizing: border-box;
    transition: transform 0.25s ease;
}
.header-logo:hover { transform: scale(1.08); }

/* Responsive Header */
@media (max-width: 768px) {
    .header-logo { height: 50px; width: 50px; padding: 4px; }
    .header { padding: 0.6rem 0; }
    .header-container { padding: 0 1rem; }
    .nav { display: none; } /* Ocultamos menú en móvil si no hay JS */
    
    h1, .hero-headline { font-size: 2rem; }
    h2, .section-title { font-size: 1.7rem; }
    .hero-container { grid-template-columns: 1fr; gap: 2rem; }
    .hero-content { order: 2; text-align: center; }
    .hero-image { order: 1; margin-bottom: 1rem; }
    .hero-buttons { justify-content: center; flex-direction: column; }
    
    /* Grid y Timeline fixes */
    .tech-grid { grid-template-columns: 1fr; }
    .tech-card { padding: 1.5rem; }
    .timeline { flex-direction: column; gap: 0; padding-left: 0; }
    .timeline-connector { display: none; }
    .floating-buttons { bottom: 20px; right: 20px; }
}

@media (max-width: 1024px) {
    .container { width: 95%; }
    .tech-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
}

.nav a:not(.btn) { font-weight: 500; color: var(--color-secondary); margin-left: 20px; }
.nav a:not(.btn):hover { color: var(--color-accent); }


/* Hero Section - PREMIUM LOOK */
.hero {
    padding: var(--spacing-lg) 0;
    /* Degradado diagonal: de Blanco a un Azul Grisáceo muy suave */
    background: linear-gradient(135deg, #FFFFFF 0%, #E8EEF5 100%);
    overflow: hidden;
    border-bottom: 1px solid #E2E8F0; /* Línea sutil para separar */
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-headline {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    opacity: 1; /* Forzamos visible */
    animation: none; /* Quitamos animación para evitar errores */
}

.hero-subheadline {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: #4a5568;
    max-width: 90%;
    opacity: 1; /* Forzamos visible */
    animation: none;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    opacity: 1; /* Forzamos visible */
    animation: none;
}

.hero-image {
    position: relative;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 1; /* Forzamos visible */
    animation: none;
}

.hero-logo-placeholder {
    max-width: 200px;
    margin-bottom: var(--spacing-md);
}

.hero-image img:not(.hero-logo-placeholder) {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-hover);
}

/* Problems Section - LIMPIEZA VISUAL */
.problems {
    padding: var(--spacing-lg) 0;
    /* Fondo Blanco para máximo contraste con el Hero */
    background: #FFFFFF;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

/* Tarjetas rediseñadas para fondo blanco */
.problem-card {
    padding: var(--spacing-md);
    /* Fondo gris muy tenue para que se note la tarjeta sobre el blanco */
    background-color: #F8FAFC; 
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.4s ease;
    /* Borde fino y elegante */
    border: 1px solid #E2E8F0;
}

.problem-card:hover {
    transform: translateY(-8px);
    background-color: #FFFFFF; /* Se vuelve blanca al pasar el mouse */
    /* Sombra Enterprise (suave y difusa) */
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--color-accent);
}

/* Services Section */
.services { padding: var(--spacing-lg) 0; background-color: var(--color-primary); color: var(--color-white); }
.services .section-title { color: var(--color-white); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--spacing-md); }

.service-item {
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
}
.service-item:hover { background-color: rgba(255, 255, 255, 0.12); border-color: var(--color-accent); transform: translateY(-5px); }
.service-item i { font-size: 2rem; color: var(--color-accent); margin-bottom: var(--spacing-sm); display: block; }
.service-item h3 { color: var(--color-white); margin-bottom: 0.5rem; }
.service-item p { color: var(--color-text-light); font-size: 0.95rem; }

/* Benefits Section */
.benefits { padding: var(--spacing-lg) 0; background: #f5f7fa; }
.benefits-benefits { display: flex; justify-content: center; gap: var(--spacing-lg); flex-wrap: wrap; z-index: 2; }
.benefit-list li { font-size: 1.1rem; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.75rem; color: var(--color-text-dark); }
.benefit-list i { color: var(--color-accent); font-size: 1.2rem; }

/* Plans Section */
.plans { padding: var(--spacing-lg) 0; background-color: var(--color-white); }
.plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--spacing-md); align-items: start; }

.plan-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    text-align: center;
    position: relative;
    border: 1px solid #e2e8f0;
    transition: all 0.4s ease;
}
.plan-card:hover { transform: translateY(-8px); border-color: var(--color-accent); }
.plan-card.featured { border: 2px solid var(--color-accent); transform: scale(1.05); z-index: 10; }

.badge {
    position: absolute; top: -15px; left: 50%; transform: translateX(-50%);
    background-color: var(--color-accent); color: white;
    padding: 0.5rem 1rem; border-radius: var(--radius-full);
    font-size: 0.85rem; font-weight: 700; text-transform: uppercase;
}
.plan-desc { margin: var(--spacing-md) 0; color: #666; min-height: 60px; }

/* CTA Section */
.cta-section { padding: var(--spacing-lg) 0; background-color: #0A2540; text-align: center; color: white; }
.cta-section p { margin-bottom: var(--spacing-md); font-size: 1.2rem; color: #e2e8f0; }

/* FAQ */
.faq { padding: var(--spacing-lg) 0; background-color: var(--color-white); }
.faq-grid { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid #e2e8f0; padding: 1.5rem 0; }
.faq-item h4 { color: var(--color-primary); margin-bottom: 0.5rem; }

/* Footer */
.footer { background-color: black; color: white; padding: var(--spacing-lg) 0 var(--spacing-md); font-size: 0.9rem; }
.footer-container { display: flex; flex-direction: column; align-items: center; gap: var(--spacing-md); text-align: center; }
.footer-links { display: flex; gap: var(--spacing-md); flex-wrap: wrap; justify-content: center; }
.footer-links a { color: #cbd5e1; }
.footer-contact p, .footer-contact a { color: #e2e8f0; margin: 0; text-decoration: none; display: flex; align-items: center; gap: 0.6rem; justify-content: center; }
.whatsapp-link { color: #25D366; font-weight: 600; }
.copyright { color: #718096; margin-top: var(--spacing-md); }
.footer-logo-img { width: 100px; height: 100px; object-fit: contain; border-radius: 50%; border: 3px solid #334155; background: #1e293b; padding: 6px; display: block; margin: 0 auto 1rem auto; }

/* Floating Buttons */
.floating-buttons { position: fixed; bottom: 30px; right: 30px; display: flex; flex-direction: column; gap: 15px; align-items: flex-end; z-index: 900; }
.fab { background-color: var(--color-accent); color: white; border: none; padding: 1rem 2rem; border-radius: 8px; font-weight: 500; cursor: pointer; display: flex; align-items: center; gap: 0.75rem; }
.back-to-top { width: 50px; height: 50px; border-radius: 50%; background-color: var(--color-primary); color: white; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; opacity: 1; visibility: visible; }

/* Modal */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0, 0, 0, 0.5); backdrop-filter: blur(5px); align-items: center; justify-content: center; }
.modal-content { background-color: #fefefe; margin: auto; padding: 0; border-radius: var(--radius-lg); width: 90%; max-width: 500px; position: relative; }
.close-modal { color: #aaa; float: right; font-size: 28px; font-weight: bold; position: absolute; right: 20px; top: 15px; cursor: pointer; z-index: 10; }
.modal-header { background-color: var(--color-primary); color: white; padding: 2rem; text-align: center; }
.ticket-form { padding: 2rem; }
.form-group { margin-bottom: 1rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.85rem 1rem; border: 1px solid #e2e8f0; border-radius: var(--radius-md); background-color: #f8fafc; }

/* =========================================
   Enterprise Corrective Section (FIXED & RESPONSIVE)
   ========================================= */
.corrective-section {
    padding: var(--spacing-lg) 0;
    background-color: #0f172a;
    color: white;
    overflow: hidden;
}

.corrective-section .section-title { color: white; }
.corrective-section .section-subtitle {
    font-size: 1.15rem; color: #94a3b8; max-width: 600px; margin: 0 auto; line-height: 1.6; text-align: center; display: block;
}

.section-header.centered { text-align: center; margin-bottom: 4rem; position: relative; z-index: 2; }

/* Tech Grid Cards */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 5rem;
    position: relative; z-index: 2;
}

.tech-card {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.4s ease;
    /* Visible al 100% */
    opacity: 1 !important; 
    transform: none !important;
}

.tech-card:hover { transform: translateY(-8px); background: rgba(30, 41, 59, 1); border-color: var(--color-accent); }

.card-header { margin-bottom: 2rem; display: flex; flex-direction: column; align-items: flex-start; }
.icon-box {
    width: 56px; height: 56px;
    background-color: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.25rem; color: #3b82f6; font-size: 1.5rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.tech-card h3 { font-size: 1.5rem; color: #f8fafc; font-weight: 700; margin-bottom: 0.5rem; }
.divider { height: 1px; background: linear-gradient(90deg, #3b82f6 0%, transparent 100%); width: 60%; margin-top: 1rem; }
.specs-list { display: flex; flex-direction: column; gap: 1rem; }
.spec-row { display: flex; align-items: center; gap: 1rem; font-size: 1rem; color: #cad5e1; }
.spec-row i { color: #3b82f6; font-size: 0.9rem; flex-shrink: 0; }

/* Timeline */
.timeline-container {
    background: white; border-radius: 24px; padding: 3rem 4rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative; z-index: 2; color: var(--color-primary);
    opacity: 1 !important; /* Forzamos visibilidad */
}

.timeline-title { text-align: center; margin-bottom: 3rem; color: #0f172a; font-size: 1.8rem; font-weight: 800; }
.timeline { display: flex; justify-content: space-between; align-items: flex-start; position: relative; margin-bottom: 3rem; }
.timeline-step { flex: 1; display: flex; flex-direction: column; align-items: center; text-align: center; position: relative; z-index: 2; }
.step-icon {
    width: 64px; height: 64px; background-color: white; border: 2px solid #e2e8f0; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: #64748b; margin-bottom: 1.25rem;
}
.timeline-step:hover .step-icon { border-color: #3b82f6; color: #3b82f6; transform: scale(1.1); }
.timeline-step h4 { font-size: 1.1rem; font-weight: 700; color: #0f172a; margin-bottom: 0.5rem; }
.timeline-step p { font-size: 0.9rem; color: #64748b; max-width: 140px; margin: 0 auto; }
.timeline-connector { flex-grow: 1; height: 2px; background-color: #e2e8f0; margin-top: 32px; position: relative; z-index: 1; }

.technical-note {
    background-color: #eff6ff; border-left: 5px solid #3b82f6;
    padding: 1.5rem 2rem; border-radius: 8px; display: flex; gap: 1.5rem;
    max-width: 900px; margin: 0 auto; align-items: flex-start;
}
.note-icon { color: #3b82f6; font-size: 1.5rem; margin-top: 0.2rem; }
.note-content { font-size: 1rem; color: #334155; line-height: 1.6; }

/* Responsive Adjustments for Corrective Section */
@media (max-width: 900px) {
    .timeline { flex-direction: column; align-items: flex-start; gap: 0; padding-left: 1rem; }
    .timeline-connector { display: none; }
    .timeline-step { flex-direction: row; width: 100%; text-align: left; gap: 1.5rem; align-items: center; margin-bottom: 2rem; }
    .timeline-step:last-child { margin-bottom: 0; }
    .step-icon { margin-bottom: 0; }
    .timeline-step p { margin: 0; max-width: none; }
    .technical-note { flex-direction: column; }


    /* =========================================
   Ajustes Finales para Móviles Pequeños ( < 480px )
   ========================================= */
@media (max-width: 480px) {
    /* Ajuste de tarjetas en pantallas muy angostas */
    .tech-card {
        padding: 1.5rem;
    }
    
    .tech-grid {
        grid-template-columns: 1fr; /* Una sola columna a fuerza */
    }

    /* Ajuste de iconos del timeline */
    .step-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    /* Ajuste de texto en timeline */
    .timeline-step h4 {
        font-size: 1rem;
    }
    
    .timeline-step {
        gap: 1rem; /* Menos espacio entre icono y texto */
    }

    /* Ajuste del título principal en celular */
    .hero-headline {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
}

/* =========================================
   Seguridad: Desactivar animaciones si el usuario lo prefiere
   o si no hay JS (Redundancia de seguridad)
   ========================================= */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .animate-on-scroll {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

   /* =======================================================
   CONTROL DE ORDEN: TEXTO ↔ IMAGEN
   ======================================================= */

@media (min-width: 992px) {
    
    .split-header,
    .benefits-wrapper {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        align-items: center;
        width: 100%;
        margin-bottom: 3rem;
    }

    /* Por defecto: texto izquierda | imagen derecha */
    .split-header .split-text,
    .benefits-wrapper .benefits-content {
        grid-column: 1;
    }

    .split-header .split-image,
    .benefits-wrapper .benefits-image-col {
        grid-column: 2;
    }

    /* Invertido con .reverse */
    .split-header.reverse .split-text,
    .benefits-wrapper.reverse .benefits-content {
        grid-column: 2;
    }

    .split-header.reverse .split-image,
    .benefits-wrapper.reverse .benefits-image-col {
        grid-column: 1;
    }

    /* Alineación y estilos de texto */
    .split-text,
    .benefits-content {
        text-align: left;
        padding-right: 20px;
    }

    .section-title.text-left,
    .split-text p,
    .benefits-content h2,
    .benefits-content ul,
    .benefits-content li {
        text-align: left;
        justify-content: flex-start;
    }

    .section-title.text-left::after,
    .benefits-content .section-title::after {
        left: 0;
        transform: none;
        margin-left: 0;
    }

    /* Rayita a la derecha cuando está invertido */
    .split-header.reverse .section-title.text-left::after,
    .benefits-wrapper.reverse .section-title::after {
        left: auto;
        right: 0;
        margin-left: 0;
        margin-right: 0;
    }

    /* Imagen */
    .split-image,
    .benefits-image-col {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .split-image img,
    .benefits-image-col img {
        width: 100%;
        max-width: 550px;
        height: auto;
        border-radius: 16px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    }
}

@media (max-width: 991px) {
    
    .split-header,
    .benefits-wrapper,
    .split-header.reverse,
    .benefits-wrapper.reverse {
        display: flex;
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .split-text, 
    .benefits-content,
    .section-title.text-left, 
    .benefits-content h2 {
        text-align: center;
    }

    .section-title.text-left::after,
    .benefits-content .section-title::after {
        left: 50%;
        transform: translateX(-50%);
        margin-left: 0;
    }

    .benefit-list li {
        text-align: left;
    }

    .split-image,
    .benefits-image-col {
        width: 100%;
        margin-top: 1rem;
    }

    .split-image img,
    .benefits-image-col img {
        max-width: 100%;
    }
}

}