:root {
    --primary-deep: #023E8A;
    --primary-blue: #0077B6;
    --accent-cyan: #00B4D8;
    --light-cyan: #90E0EF;
    --pale-cyan: #CAF0F8;
    --bg-light: #f8fafc;
    --bg-pure: #ffffff;
    --bg-card: #ffffff;
    --border-glass: rgba(0, 119, 182, 0.15);
    --text-main: #0f172a;
    --text-muted: #475569;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --container-width: 1320px;
}

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

body {
    background-color: var(--bg-light);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.7;
    overflow-x: hidden;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

body.loaded {
    opacity: 1;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Precargador exclusivo para Index */
#page-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-pure);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.spinner-circle {
    width: 60px;
    height: 60px;
    border: 4px solid var(--pale-cyan);
    border-top: 4px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Aviso Legal Superior */
.gov-disclaimer-bar {
    background-color: #023E8A;
    border-bottom: 1px solid var(--border-glass);
    color: var(--pale-cyan);
    font-size: 0.82rem;
    padding: 10px 0;
    text-align: center;
    letter-spacing: 0.3px;
}

.gov-disclaimer-bar strong {
    color: #fff;
    text-decoration: underline;
}

/* Navegación Principal */
.site-header {
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

.brand-logo a {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 1.5px;
    color: var(--primary-deep);
}

.brand-logo span {
    color: var(--accent-cyan);
}

.site-nav ul {
    display: flex;
    list-style: none;
    gap: 28px;
}

.site-nav li {
    opacity: 0;
    transform: translateY(-15px);
    animation: slideDownNav 0.6s ease forwards;
}

.site-nav li:nth-child(1) { animation-delay: 0.1s; }
.site-nav li:nth-child(2) { animation-delay: 0.2s; }
.site-nav li:nth-child(3) { animation-delay: 0.3s; }
.site-nav li:nth-child(4) { animation-delay: 0.4s; }
.site-nav li:nth-child(5) { animation-delay: 0.5s; }

@keyframes slideDownNav {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.site-nav a {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    display: inline-block;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), color 0.3s ease;
}

.site-nav a:hover, .site-nav a.active {
    color: var(--primary-deep);
    transform: translateY(-4px) scale(1.05);
}

/* Botones Interactivos */
.btn-primary, .btn-secondary {
    position: relative;
    overflow: hidden;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-block;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.3s ease;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-deep), var(--primary-blue));
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 119, 182, 0.25);
}

.btn-primary:active {
    transform: scale(0.95);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-deep);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:active {
    transform: scale(0.95);
    background-color: rgba(0, 180, 216, 0.1);
}

/* Hero Interactivo y Dinámico */
.hero-editorial {
    padding: 120px 0 100px 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, var(--bg-pure) 0%, var(--bg-light) 100%);
}

.abstract-bg-shape {
    position: absolute;
    top: -10%;
    right: -5%;
    width: 650px;
    height: 650px;
    background: radial-gradient(circle, rgba(144, 224, 239, 0.4) 0%, rgba(0, 180, 216, 0.1) 60%, transparent 100%);
    border-radius: 50%;
    filter: blur(60px);
    z-index: 0;
    animation: floatShape 12s ease-in-out infinite alternate;
}

@keyframes floatShape {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); }
    100% { transform: translate(-30px, 40px) scale(1.15) rotate(10deg); }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.animated-headline {
    font-size: 3.4rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--primary-deep);
}

/* Efecto de Escritura Dinámica JS en Título */
.typing-cursor {
    display: inline-block;
    width: 4px;
    height: 3.2rem;
    background-color: var(--accent-cyan);
    margin-left: 4px;
    animation: blinkCursor 0.8s infinite;
    vertical-align: middle;
}

@keyframes blinkCursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.eyebrow-tag {
    display: inline-block;
    background-color: var(--pale-cyan);
    color: var(--primary-deep);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 8px 16px;
    border-radius: 6px;
    margin-bottom: 24px;
    border: 1px solid var(--light-cyan);
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

/* Tarjetas con Efecto Glassmorphism y Brillo al Cursor */
.interactive-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(2, 62, 138, 0.05);
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease;
}

.interactive-card::before {
    content: '';
    position: absolute;
    top: var(--y, 0);
    left: var(--x, 0);
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

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

.interactive-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px rgba(2, 62, 138, 0.12);
    border-color: var(--accent-cyan);
}

/* NUEVAS SECCIONES INTERACTIVAS Y AVANZADAS */

/* 1. SECCIÓN ACORDEÓN INTERACTIVO DE REQUISITOS */
.interactive-accordion-section {
    padding: 110px 0;
    background-color: var(--bg-pure);
}

.accordion-container {
    max-width: 900px;
    margin: 50px auto 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.accordion-item {
    background: var(--bg-light);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-header {
    padding: 24px 30px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-deep);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.accordion-header span {
    font-size: 1.5rem;
    color: var(--accent-cyan);
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-header span {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    padding: 0 30px;
    color: var(--text-muted);
    font-size: 1rem;
    transition: max-height 0.4s cubic-bezier(0, 1, 0, 1), padding 0.4s ease;
}

.accordion-item.active .accordion-content {
    max-height: 300px;
    padding: 0 30px 24px 30px;
}

/* 2. SECCIÓN PESTAÑAS DINÁMICAS (TABS) DE AUDITORÍA */
.dynamic-tabs-section {
    padding: 110px 0;
    background-color: var(--bg-light);
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 14px 28px;
    background-color: var(--bg-pure);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active, .tab-btn:hover {
    background-color: var(--primary-deep);
    color: #fff;
    border-color: var(--primary-deep);
}

.tab-pane {
    display: none;
    animation: fadeInPane 0.5s ease forwards;
}

.tab-pane.active {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: center;
}

@keyframes fadeInPane {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 3. SECCIÓN SLIDER INTERACTIVO / TARJETAS GIRATORIAS DE RIESGOS */
.flip-cards-section {
    padding: 110px 0;
    background-color: var(--bg-pure);
}

.flip-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.flip-card {
    background-color: transparent;
    height: 360px;
    perspective: 1000px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 16px;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--border-glass);
}

.flip-card-front {
    background: var(--bg-light);
    color: var(--primary-deep);
}

.flip-card-back {
    background: var(--primary-deep);
    color: #fff;
    transform: rotateY(180deg);
}

/* 4. SECCIÓN TIMELINE INTERACTIVO DE PASOS */
.interactive-timeline-section {
    padding: 110px 0;
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-pure) 100%);
}

.timeline-wrapper {
    max-width: 900px;
    margin: 50px auto 0 auto;
    position: relative;
}

.timeline-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background-color: var(--pale-cyan);
}

.timeline-step {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
    position: relative;
}

.timeline-step:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-card {
    width: 45%;
    background: var(--bg-pure);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
    box-shadow: 0 8px 25px rgba(2, 62, 138, 0.04);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background-color: var(--accent-cyan);
    border: 5px solid var(--bg-pure);
    border-radius: 50%;
    z-index: 10;
}

/* 5. SECCIÓN TESTIMONIOS / CASOS DE ÉXITO DINÁMICOS */
.testimonials-section {
    padding: 110px 0;
    background-color: var(--bg-pure);
}

.testimonial-slider {
    max-width: 800px;
    margin: 50px auto 0 auto;
    position: relative;
}

.testimonial-slide {
    display: none;
    background: var(--bg-light);
    border: 1px solid var(--border-glass);
    padding: 50px;
    border-radius: 20px;
    text-align: center;
    animation: fadeInPane 0.6s ease forwards;
}

.testimonial-slide.active {
    display: block;
}

/* 6. SECCIÓN CALCULADORA / SIMULADOR DE VERIFICACIÓN DE EXPEDIENTE */
.simulator-section {
    padding: 110px 0;
    background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-blue) 100%);
    color: #fff;
    text-align: center;
}

.simulator-box {
    max-width: 700px;
    margin: 40px auto 0 auto;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(16px);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 7. SECCIÓN BANNER CTA FLOTANTE Y DIALÓGICO */
.floating-cta-section {
    padding: 100px 0;
    background-color: var(--bg-light);
}

/* Footer Corporativo */
.site-footer {
    background-color: #021226;
    padding: 80px 0 30px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-glass);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand {
    font-size: 1.4rem;
    font-weight: 900;
    color: #fff;
    margin-bottom: 16px;
}

.footer-brand span {
    color: var(--accent-cyan);
}

.footer-col h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col a:hover {
    color: var(--light-cyan);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

@media (max-width: 992px) {
    .hero-grid, .tab-pane.active, .flip-grid, .footer-grid {
        grid-template-columns: 1fr;
    }
    .animated-headline {
        font-size: 2.6rem;
    }
    .timeline-wrapper::before {
        left: 20px;
    }
    .timeline-step, .timeline-step:nth-child(odd) {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 50px;
    }
    .timeline-card {
        width: 100%;
    }
    .timeline-dot {
        left: 20px;
    }
}