/* Variables CSS */
:root {
    --primary-color: #00a8ff;
    --dark-color: #2f3640;
    --light-color: #f5f6fa;
    --gray-color: #f8f9fa;
}

/* Reset y Base */
html {
    scroll-behavior: smooth;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', 'Segoe UI', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--light-color);
    color: var(--dark-color);
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary-color), #0088cc);
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo-container {
    max-width: 400px;
    margin: 0 auto;
    padding: 1rem;
    transition: transform 0.3s ease;
}

.logo-container:hover {
    transform: scale(1.02);
}

.logo-container img {
    width: 100%;
    height: auto;
    display: block;
}

/* Legacy Systems Section */
.legacy-systems {
    background-color: #f9f9f9;
    padding: 1.5rem 2rem;
    margin-top: 2rem;
    border-top: 1px solid #e8e8e8;
    text-align: center;
}

.legacy-content {
    max-width: 1200px;
    margin: 0 auto;
}

.legacy-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0 0 0.5rem 0;
}

.legacy-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.legacy-links a {
    font-size: 0.8rem;
    color: #888;
    text-decoration: none;
    transition: color 0.3s ease;
}

.legacy-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.legacy-separator {
    color: #ccc;
    font-size: 0.8rem;
}

/* Navegación */
nav {
    background-color: rgba(47, 54, 64, 0.95);
    padding: 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    padding: 0;
    gap: 4rem;
}

nav ul li a {
    color: var(--light-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0, 168, 255, 0.05), rgba(0, 136, 204, 0.05));
    padding: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

.hero-section h1 {
    max-width: 700px;
    margin: 0.5rem auto;
    color: var(--dark-color);
    font-size: 1.2rem;
    line-height: 1.5;
    font-weight: 400;
}

/* Main */
main {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 2rem;
}

/* Sección Valores */
.valores-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2rem auto 3rem;
}

.valor-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.valor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0,168,255,0.15);
}

.valor-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.valor-card h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin: 1rem 0;
}

.valor-card p {
    color: #555;
    line-height: 1.7;
    margin: 0;
}

/* Sección Sistema Amigable */
.sistema-destacado {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    margin: 3rem auto;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border: 1px solid rgba(0, 168, 255, 0.1);
    scroll-margin-top: 80px;
}

/* Video Circular Hero para ESAT */
.hero-animation {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem auto;
    max-width: 500px;
}

.video-link {
    display: block;
    text-decoration: none;
}

.video-container {
    width: 192px;
    height: 192px;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 168, 255, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 5px solid var(--primary-color);
}

.video-container:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 50px rgba(0, 168, 255, 0.5);
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.center-logo {
    position: absolute;
    top: 55%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    text-align: center;
    width: 100%;
}

.center-logo-img {
    width: 96px;
    height: auto;
    display: block;
    margin: 0 auto 0.5rem auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.hand-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: pulse 2s infinite;
}

.hand-indicator i {
    font-size: 1.2rem;
    color: white;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
}

.hand-text {
    color: white;
    font-weight: 600;
    font-size: 0.8rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.sistema-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.sistema-logo {
    width: 140px;
    height: auto;
    display: block;
}

.factelect-logo {
    font-family: 'Inter', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #2563eb;
    line-height: 1;
}

.factelect-logo span {
    color: #7c3aed;
}

.sistema-destacado h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin: 0;
    font-weight: 300;
}

.sistema-destacado .subtitulo {
    color: var(--dark-color);
    font-size: 1.4rem;
    font-weight: 400;
    margin: 1rem 0 2rem;
}

.sistema-destacado .descripcion {
    color: #555;
    font-size: 1.05rem;
    max-width: 800px;
    margin: 2rem auto;
    line-height: 1.7;
    padding: 1.5rem;
    background: rgba(0, 168, 255, 0.03);
    border-radius: 8px;
}

/* Características */
.caracteristicas-lista {
    max-width: 900px;
    margin: 2rem auto;
}

.caracteristica-item {
    background: rgba(0, 168, 255, 0.03);
    padding: 1.3rem 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    transition: all 0.3s ease;
}

.caracteristica-item:hover {
    background: rgba(0, 168, 255, 0.08);
    transform: translateX(8px);
}

.caracteristica-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
    flex-shrink: 0;
    width: 35px;
    text-align: center;
}

.caracteristica-item span {
    color: var(--dark-color);
    line-height: 1.6;
    flex: 1;
    text-align: left;
}

.caracteristica-item strong {
    color: var(--primary-color);
    font-size: 1.05rem;
    font-weight: 600;
}

/* Ventajas */
.ventajas-lista {
    max-width: 900px;
    margin: 2.5rem auto;
}

.ventaja-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.3rem;
    margin: 0.8rem 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
}

.ventaja-item:hover {
    box-shadow: 0 4px 12px rgba(0,168,255,0.12);
    transform: translateX(8px);
}

.ventaja-item i {
    color: #28a745;
    font-size: 1.2rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.ventaja-item span {
    color: var(--dark-color);
    font-size: 1rem;
}

/* Botones CTA */
.cta-buttons {
    display: flex;
    justify-content: center;
    margin-top: 2.5rem;
}

.btn-primary {
    padding: 1.2rem 3rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.15rem;
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(0,168,255,0.3);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

.btn-primary i {
    color: white;
    font-size: 1.15rem;
}

.btn-primary:hover {
    background: #0088cc;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,168,255,0.4);
}

/* Sección Marca Blanca */
.marca-blanca {
    background: linear-gradient(135deg, var(--dark-color), #1e252d);
    padding: 4rem 2rem;
    margin-top: 4rem;
    color: white;
}

.marca-blanca-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.marca-blanca h2 {
    color: var(--primary-color);
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.marca-blanca-intro {
    font-size: 1.3rem;
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto 3rem;
    color: #e0e0e0;
}

.marca-blanca-intro strong {
    color: white;
    font-weight: 600;
}

.marca-blanca-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin: 3rem auto;
}

.marca-blanca-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    border: 2px solid rgba(0, 168, 255, 0.2);
    transition: all 0.3s ease;
}

.marca-blanca-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.marca-blanca-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.marca-blanca-item h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.marca-blanca-item p {
    color: #d0d0d0;
    line-height: 1.7;
    font-size: 1.05rem;
}

.marca-blanca-item strong {
    color: white;
    font-weight: 600;
}

.marca-blanca-destacado {
    background: linear-gradient(135deg, var(--primary-color), #0088cc);
    padding: 2.5rem 3rem;
    border-radius: 12px;
    margin-top: 3rem;
    box-shadow: 0 8px 25px rgba(0, 168, 255, 0.3);
    display: flex;
    align-items: center;
    gap: 2rem;
    text-align: left;
}

.marca-blanca-destacado i {
    font-size: 3.5rem;
    color: white;
    flex-shrink: 0;
}

.marca-blanca-destacado p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin: 0;
    color: white;
}

.marca-blanca-destacado strong {
    font-weight: 700;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.enlace-ayuda {
    display: inline-block;
    margin-top: 0.6rem;
    font-size: 0.72rem;
    color: rgba(255,255,255,0.3);
    text-decoration: none;
    letter-spacing: 0.03em;
    transition: color 0.2s;
}

.enlace-ayuda:hover {
    color: rgba(255,255,255,0.6);
    text-decoration: underline;
}

/* Modal Ayuda en Línea */
.modal-ayuda {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-ayuda-contenido {
    background: #fff;
    border-radius: 12px;
    padding: 2rem;
    max-width: 480px;
    width: 100%;
    position: relative;
    box-shadow: 0 10px 40px rgba(0,0,0,0.35);
    color: var(--dark-color);
}

.modal-ayuda-contenido h3 {
    margin: 0 0 0.8rem;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark-color);
}

.modal-ayuda-contenido p {
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    color: #444;
}

.modal-ayuda-contenido ol {
    padding-left: 1.3rem;
    margin-bottom: 1rem;
}

.modal-ayuda-contenido ol li {
    margin-bottom: 0.45rem;
    font-size: 0.88rem;
    color: #444;
}

.modal-ayuda-nota {
    font-size: 0.78rem !important;
    color: #666 !important;
    background: #f4f6f8;
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    margin-bottom: 1.2rem !important;
}

.modal-ayuda-cerrar {
    position: absolute;
    top: 0.7rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: #bbb;
    padding: 0;
}

.modal-ayuda-cerrar:hover {
    color: #555;
}

.btn-ayuda-descargar {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: var(--primary-color);
    color: #fff;
    padding: 0.55rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-ayuda-descargar:hover {
    background: #0088cc;
}

/* Responsive */
@media (max-width: 992px) {
    .valores-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .marca-blanca-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    nav ul li {
        margin: 0.8rem 0;
    }
    
    .logo-container {
        max-width: 280px;
    }

    .valores-grid {
        grid-template-columns: 1fr;
        padding: 1rem;
        gap: 1.5rem;
    }

    .hero-section {
        padding: 1.5rem 1rem;
    }
    
    .hero-section h1 {
        font-size: 1rem;
    }
    
    .sistema-destacado {
        padding: 2rem 1.5rem;
    }
    
    .sistema-destacado h2 {
        font-size: 2rem;
    }
    
    .sistema-destacado .subtitulo {
        font-size: 1.2rem;
    }
    
    .sistema-logo {
        width: 100px !important;
    }
    
    .video-container {
        width: 168px;
        height: 168px;
    }
    
    .center-logo-img {
        width: 84px;
    }
    
    .hand-text {
        font-size: 0.9rem;
    }
    
    .marca-blanca {
        padding: 3rem 1.5rem;
    }
    
    .marca-blanca h2 {
        font-size: 2rem;
    }
    
    .marca-blanca-intro {
        font-size: 1.1rem;
    }
    
    .marca-blanca-destacado {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1.5rem;
    }
    
    .marca-blanca-destacado i {
        font-size: 2.5rem;
    }
    
    .marca-blanca-destacado p {
        font-size: 1.05rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn-primary {
        width: 100%;
        max-width: 300px;
    }
}