/* Variables CSS - Colores Corporativos Cootravir */
:root {
    /* Colores Primarios */
    --primary-color: #0E2455; /* Azul Oscuro */
    --primary-dark: #0a1c3d;
    --primary-light: #1a3a6b;
    
    /* Colores Secundarios */
    --secondary-color: #85C5E2; /* Azul Cielo */
    --secondary-dark: #6ba8c9;
    --secondary-light: #a3d4eb;
    
    /* Colores de Acento */
    --accent-color: #DBA425; /* Dorado */
    --accent-dark: #b88a1e;
    --accent-light: #e8b84d;
    
    /* Colores Neutros */
    --light-bg: #ECECEC; /* Gris Claro / Blanco Roto */
    --light-bg-dark: #d4d4d4;
    --white: #ffffff;
    --text-dark: #0E2455;
    --text-light: #666666;
    --border-color: #d0d0d0;
    
    /* Colores de Estado */
    --success-color: #27ae60;
    --warning-color: #DBA425;
    --info-color: #85C5E2;
    --error-color: #e74c3c;
    
    /* Sombras */
    --shadow: 0 2px 10px rgba(14, 36, 85, 0.1);
    --shadow-hover: 0 8px 30px rgba(14, 36, 85, 0.15);
    --shadow-card: 0 4px 20px rgba(14, 36, 85, 0.08);
    
    /* Transiciones */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Gradientes Corporativos */
    --gradient-primary: linear-gradient(135deg, #0E2455 0%, #1a3a6b 100%);
    --gradient-secondary: linear-gradient(135deg, #85C5E2 0%, #6ba8c9 100%);
    --gradient-accent: linear-gradient(135deg, #DBA425 0%, #e8b84d 100%);
    --gradient-hero: linear-gradient(135deg, #0E2455 0%, #85C5E2 50%, #DBA425 100%);
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--light-bg);
    overflow-x: hidden;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Prevenir scroll horizontal */
* {
    max-width: 100%;
}

img, video, iframe {
    max-width: 100%;
    height: auto;
}

/* Sidebar mejorado */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    height: 100vh;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 25px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 4px 0 20px rgba(14, 36, 85, 0.3);
    transition: var(--transition);
}

.sidebar-header {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

/* Bloque logo + nombre empresa (como en la referencia) */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.company-logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    flex-shrink: 0;
    display: block;
    /* Logo en blanco sobre fondo azul oscuro */
    transition: var(--transition);
}

.company-logo:hover {
    filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(255, 255, 255, 0.4));
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.company-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.02em;
    line-height: 1.2;
    text-transform: uppercase;
}

.company-tagline {
    font-size: 0.7rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.manual-title {
    font-size: 1.5rem;
    margin: 0 0 8px 0;
    color: var(--white);
    font-weight: 700;
    text-align: center;
    letter-spacing: 0.02em;
}

.version {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
    margin: 0;
    text-align: center;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.nav-menu {
    list-style: none;
    margin-bottom: 20px;
}

.nav-menu li {
    margin-bottom: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    border-radius: 10px;
    transition: var(--transition);
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--accent-color);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transform: translateX(5px);
}

.nav-link:hover::before {
    transform: scaleY(1);
}

.nav-link.active {
    background: linear-gradient(90deg, rgba(133, 197, 226, 0.25) 0%, rgba(133, 197, 226, 0.1) 100%);
    color: var(--white);
    font-weight: 600;
}

.nav-link.active::before {
    transform: scaleY(1);
}

.nav-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
}

.sidebar-footer p {
    margin-bottom: 8px;
}

.sidebar-footer i {
    color: var(--accent-color);
    margin-right: 5px;
}

.contact-info {
    margin: 5px 0;
}

.contact-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
    font-size: 0.85rem;
}

.contact-link:hover {
    color: var(--accent-color);
    transform: translateX(3px);
}

.contact-link i {
    color: var(--accent-color);
    font-size: 0.9rem;
}

.toggle-sidebar {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    background: var(--secondary-color);
    color: var(--primary-color);
    border: none;
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2rem;
    z-index: 1001;
    box-shadow: 0 4px 15px rgba(14, 36, 85, 0.3);
    transition: var(--transition);
    font-weight: 600;
}

.toggle-sidebar:hover {
    background: var(--accent-color);
    transform: scale(1.05);
}

/* Contenido principal */
.main-content {
    margin-left: 300px;
    min-height: 100vh;
    transition: var(--transition);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 50px 30px;
}

/* Hero Section mejorado */
.hero {
    position: relative;
    background: var(--gradient-hero);
    color: var(--white);
    padding: 120px 20px 100px;
    text-align: center;
    margin-bottom: 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white"/></svg>');
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translateY(0); }
    100% { transform: translateY(-100px); }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-logo {
    margin-bottom: 30px;
    animation: fadeInDown 1s ease-out;
}

.hero-company-logo {
    max-width: 300px;
    height: auto;
    filter: drop-shadow(0 4px 20px rgba(255, 255, 255, 0.3));
    transition: var(--transition);
}

.hero-company-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 6px 30px rgba(255, 255, 255, 0.5));
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
    font-weight: 800;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: -1px;
}

.hero-content h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    font-weight: 400;
    opacity: 0.95;
}

.subtitle {
    font-size: 1.4rem;
    margin-bottom: 25px;
    opacity: 0.9;
    font-weight: 300;
}

.version-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.25);
    padding: 10px 25px;
    border-radius: 25px;
    font-size: 0.95rem;
    margin-bottom: 35px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-description {
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 1.15rem;
    opacity: 0.95;
    line-height: 1.9;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.25);
    padding: 10px 20px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.feature-item i {
    color: var(--accent-color);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--white);
    color: var(--primary-color);
    padding: 15px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(14, 36, 85, 0.3);
    border: 2px solid transparent;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(14, 36, 85, 0.4);
    background: var(--accent-color);
    color: var(--primary-color);
    border-color: var(--white);
}

.cta-button i {
    animation: bounce-arrow 1.5s ease-in-out infinite;
}

@keyframes bounce-arrow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(5px); }
}

/* Secciones */
.section {
    padding: 80px 0;
    background-color: var(--white);
    margin-bottom: 0;
}

.section-alt {
    background: linear-gradient(to bottom, var(--white) 0%, var(--light-bg) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-icon {
    font-size: 3.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    display: inline-block;
    padding: 20px;
    background: linear-gradient(135deg, rgba(133, 197, 226, 0.15) 0%, rgba(133, 197, 226, 0.05) 100%);
    border-radius: 20px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 800;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-description {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-top: 25px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Cards mejoradas */
.card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 35px;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-accent);
    transform: scaleY(0);
    transition: transform 0.4s ease;
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.card:hover::before {
    transform: scaleY(1);
}

.card-featured {
    background: linear-gradient(135deg, rgba(133, 197, 226, 0.08) 0%, rgba(255, 255, 255, 1) 100%);
    border: 2px solid rgba(133, 197, 226, 0.3);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--light-bg);
}

.card-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-secondary);
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(133, 197, 226, 0.4);
    font-weight: 600;
}

.card-title {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 0;
    font-weight: 700;
}

.card-body {
    margin-top: 20px;
}

.intro-text {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 25px;
    line-height: 1.8;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.info-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: var(--light-bg);
    border-radius: 12px;
    transition: var(--transition);
}

.info-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.info-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-secondary);
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 1.5rem;
    flex-shrink: 0;
    font-weight: 600;
}

.info-content h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.info-content p {
    color: var(--text-light);
    margin-bottom: 10px;
}

.example-box {
    background: var(--white);
    padding: 12px 15px;
    border-radius: 8px;
    margin-top: 10px;
    border-left: 3px solid var(--secondary-color);
    font-size: 0.9rem;
}

.example-box {
    border-left-color: var(--accent-color);
}

.example-box code {
    background: var(--light-bg);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
    font-weight: 600;
    border: 1px solid rgba(14, 36, 85, 0.1);
}

/* Steps Container */
.steps-container {
    margin: 30px 0;
}

.step-item {
    display: flex;
    gap: 25px;
    margin-bottom: 35px;
    padding: 25px;
    background: var(--light-bg);
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
}

.step-item:hover {
    background: var(--white);
    box-shadow: var(--shadow);
    transform: translateX(5px);
}

.step-number {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    color: var(--primary-color);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.3rem;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(219, 164, 37, 0.4);
}

.step-content h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.3rem;
    font-weight: 600;
}

.step-content p {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 10px;
}

.nested-list {
    list-style: none;
    padding-left: 0;
    margin: 15px 0;
}

.nested-list li {
    padding: 8px 0 8px 25px;
    position: relative;
    color: var(--text-dark);
}

.nested-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Form Fields */
.form-fields {
    margin: 20px 0;
}

.field-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: var(--white);
    border-radius: 8px;
    margin-bottom: 12px;
    border-left: 3px solid var(--secondary-color);
}

.field-item {
    border-left-color: var(--accent-color);
}

.field-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-top: 3px;
}

/* Examples Grid */
.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin: 15px 0;
}

.example-tag {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: var(--gradient-secondary);
    color: var(--primary-color);
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.example-tag:hover {
    transform: scale(1.05);
    background: var(--gradient-accent);
    box-shadow: 0 4px 15px rgba(219, 164, 37, 0.4);
}

/* Cajas de información mejoradas */
.warning-box {
    background: linear-gradient(135deg, rgba(219, 164, 37, 0.1) 0%, rgba(219, 164, 37, 0.05) 100%);
    border-left: 5px solid var(--accent-color);
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 10px;
    color: var(--primary-color);
    display: flex;
    gap: 20px;
    box-shadow: 0 2px 10px rgba(219, 164, 37, 0.2);
}

.warning-icon {
    font-size: 2rem;
    color: var(--accent-color);
    flex-shrink: 0;
}

.warning-content strong {
    display: block;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.warning-content ul {
    margin: 10px 0 10px 20px;
}

.warning-content li {
    margin-bottom: 5px;
}

.warning-note {
    margin-top: 10px;
    font-style: italic;
    opacity: 0.9;
}

.info-box {
    background: linear-gradient(135deg, rgba(133, 197, 226, 0.15) 0%, rgba(133, 197, 226, 0.08) 100%);
    border-left: 5px solid var(--secondary-color);
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 10px;
    color: var(--primary-color);
    display: flex;
    gap: 20px;
    box-shadow: 0 2px 10px rgba(133, 197, 226, 0.2);
}

.info-icon-box {
    font-size: 2rem;
    color: var(--secondary-color);
    flex-shrink: 0;
}

.info-content-box strong {
    display: block;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.tip-box {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    border-left: 5px solid var(--success-color);
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 10px;
    color: #155724;
    display: flex;
    gap: 20px;
    box-shadow: 0 2px 10px rgba(39, 174, 96, 0.2);
}

.tip-box.small {
    padding: 12px 18px;
    margin: 15px 0;
    font-size: 0.95rem;
}

.tip-icon {
    font-size: 1.8rem;
    color: var(--success-color);
    flex-shrink: 0;
}

.tip-content strong {
    display: block;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.tip-content ul {
    margin: 10px 0 10px 20px;
}

.tip-content li {
    margin-bottom: 5px;
}

/* Listas mejoradas */
.feature-list {
    list-style: none;
    padding-left: 0;
    margin: 20px 0;
}

.feature-list li {
    padding: 15px 0 15px 40px;
    position: relative;
    color: var(--text-dark);
    font-size: 1.05rem;
    transition: var(--transition);
}

.feature-list li:hover {
    transform: translateX(5px);
}

.feature-list li i {
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.step-list {
    list-style: none;
    counter-reset: step-counter;
    padding-left: 0;
    margin: 20px 0;
}

.step-list li {
    counter-increment: step-counter;
    padding: 20px 0 20px 70px;
    position: relative;
    color: var(--text-dark);
    font-size: 1.05rem;
    line-height: 1.9;
    border-bottom: 1px solid var(--light-bg);
}

.step-list li:last-child {
    border-bottom: none;
}

.step-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 20px;
    background: var(--gradient-accent);
    color: var(--primary-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(219, 164, 37, 0.3);
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin: 0 5px;
}

.status-pending {
    background: #fff3cd;
    color: #856404;
}

.status-approved {
    background: #d4edda;
    color: #155724;
}

.status-rejected {
    background: #f8d7da;
    color: #721c24;
}

.status-explanation {
    margin: 25px 0;
    padding: 25px;
    background: var(--light-bg);
    border-radius: 12px;
}

.status-explanation h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
}

.status-item p {
    margin: 0;
    color: var(--text-dark);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.feature-card {
    padding: 25px;
    background: var(--light-bg);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-card:hover {
    border-color: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.feature-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Documents List */
.documents-list {
    margin: 25px 0;
}

.document-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: var(--light-bg);
    border-radius: 12px;
    margin-bottom: 20px;
    transition: var(--transition);
    border-left: 4px solid var(--secondary-color);
}

.document-item:hover {
    background: var(--white);
    box-shadow: var(--shadow);
    transform: translateX(5px);
}

.document-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-secondary);
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 1.8rem;
    flex-shrink: 0;
    font-weight: 600;
}

.document-content h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.document-content p {
    color: var(--text-light);
    margin-bottom: 10px;
    line-height: 1.7;
}

.document-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--gradient-accent);
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Imágenes mejoradas */
.image-container {
    margin: 35px 0;
    text-align: center;
}

.image-wrapper {
    position: relative;
    display: inline-block;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.image-wrapper:hover {
    box-shadow: var(--shadow-hover);
}

.manual-image {
    max-width: 100%;
    width: 100%;
    height: auto;
    display: block;
    cursor: pointer;
    transition: var(--transition);
    object-fit: contain;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    opacity: 0;
    transition: var(--transition);
}

.image-wrapper:hover .image-overlay {
    opacity: 1;
}

.image-overlay i {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.image-overlay span {
    font-size: 1rem;
    font-weight: 600;
}

.image-caption {
    margin-top: 15px;
    font-size: 0.95rem;
    color: var(--text-light);
    font-style: italic;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.image-caption i {
    color: var(--accent-color);
}

/* Modal mejorado */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s;
    backdrop-filter: blur(5px);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85%;
    margin-top: 3%;
    border-radius: 12px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
    animation: zoomIn 0.3s;
}

@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.close-modal {
    position: absolute;
    top: 25px;
    right: 40px;
    color: var(--white);
    font-size: 45px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.close-modal:hover {
    color: var(--accent-color);
    transform: scale(1.2) rotate(90deg);
    background: rgba(255, 255, 255, 0.2);
}

.modal-caption {
    margin: 25px auto;
    display: block;
    width: 80%;
    text-align: center;
    color: var(--white);
    font-size: 1.2rem;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

/* Scroll to top button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    color: var(--primary-color);
    border: none;
    border-radius: 50%;
    font-size: 1.3rem;
    cursor: pointer;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(219, 164, 37, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    font-weight: 600;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 30px rgba(219, 164, 37, 0.6);
    background: var(--gradient-secondary);
}

/* Footer mejorado */
.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 50px 20px 30px;
    margin-top: 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-section h4 {
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: var(--accent-color);
}

.footer-logo {
    max-width: 280px;
    height: auto;
    margin-bottom: 15px;

    opacity: 0.9;
    transition: var(--transition);
}

.footer-logo:hover {
    opacity: 1;
    transform: scale(1.05);
}

.footer-section p {
    margin-bottom: 8px;
    opacity: 0.9;
    line-height: 1.8;
}

.contact-list {
    margin-top: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    opacity: 0.9;
}

.contact-item i {
    color: var(--accent-color);
    font-size: 1rem;
}

.footer-section .contact-link {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.footer-section .contact-link:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* ============================================
   RESPONSIVE DESIGN - COMPLETAMENTE ADAPTATIVO
   ============================================ */

/* Tablets y pantallas medianas (769px - 1024px) */
@media (max-width: 1024px) {
    .container {
        max-width: 95%;
        padding: 40px 25px;
    }

    .sidebar {
        width: 280px;
    }

    .main-content {
        margin-left: 280px;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .info-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }

    .feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 20px;
    }

    .examples-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
}

/* Tablets pequeñas y móviles grandes (481px - 768px) */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
        box-shadow: 4px 0 20px rgba(14, 36, 85, 0.4);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .toggle-sidebar {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Hero responsive */
    .hero {
        padding: 80px 15px 60px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
        line-height: 1.2;
    }

    .hero-content h2 {
        font-size: 1.6rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .hero-logo {
        margin-bottom: 20px;
    }
    
    .hero-company-logo {
        max-width: 200px;
    }

    .hero-description {
        font-size: 1rem;
        padding: 0 10px;
    }

    .hero-features {
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }

    .feature-item {
        width: 100%;
        justify-content: center;
    }

    .cta-button {
        padding: 12px 28px;
        font-size: 1rem;
    }

    /* Sidebar header responsive */
    .sidebar-brand {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 12px;
    }

    .company-logo {
        width: 50px;
        height: 50px;
    }

    .brand-text {
        align-items: center;
    }

    .company-name {
        font-size: 0.9rem;
    }

    .company-tagline {
        font-size: 0.65rem;
    }

    .manual-title {
        font-size: 1.3rem;
        margin-top: 15px;
    }

    /* Secciones responsive */
    .section {
        padding: 50px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-title {
        font-size: 1.8rem;
        padding-bottom: 12px;
    }

    .section-icon {
        font-size: 2.5rem;
        padding: 15px;
    }

    .section-description {
        font-size: 1rem;
        padding: 0 15px;
    }

    .container {
        padding: 30px 20px;
    }

    /* Cards responsive */
    .card {
        padding: 25px 20px;
        margin-bottom: 25px;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        padding-bottom: 15px;
    }

    .card-icon {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }

    .card-title {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    .intro-text {
        font-size: 1rem;
    }

    /* Info grid responsive */
    .info-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .info-item {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .info-icon {
        margin: 0 auto;
    }

    /* Steps responsive */
    .steps-container {
        margin: 25px 0;
    }

    .step-item {
        flex-direction: column;
        gap: 15px;
        padding: 20px;
    }

    .step-number {
        align-self: flex-start;
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }

    .step-content h4 {
        font-size: 1.1rem;
    }

    .step-content p {
        font-size: 0.95rem;
    }

    /* Feature grid responsive */
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-card {
        padding: 20px;
    }

    /* Documents list responsive */
    .documents-list {
        margin: 20px 0;
    }

    .document-item {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .document-icon {
        margin: 0 auto 15px;
    }

    /* Form fields responsive */
    .form-fields {
        margin: 15px 0;
    }

    .field-item {
        flex-direction: column;
        text-align: left;
        padding: 12px;
    }

    .field-item i {
        align-self: flex-start;
    }

    /* Examples grid responsive */
    .examples-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .example-tag {
        padding: 10px;
        font-size: 0.85rem;
    }

    /* Listas responsive */
    .feature-list li {
        padding: 12px 0 12px 35px;
        font-size: 1rem;
    }

    .step-list li {
        padding: 18px 0 18px 60px;
        font-size: 1rem;
    }

    .step-list li::before {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }

    .nested-list li {
        padding: 6px 0 6px 20px;
        font-size: 0.95rem;
    }

    /* Cajas informativas responsive */
    .warning-box,
    .info-box,
    .tip-box {
        flex-direction: column;
        padding: 18px 20px;
        gap: 12px;
    }

    .warning-icon,
    .info-icon-box,
    .tip-icon {
        font-size: 1.5rem;
        align-self: flex-start;
    }

    .warning-content,
    .info-content-box,
    .tip-content {
        width: 100%;
    }

    .warning-content ul,
    .tip-content ul {
        margin-left: 15px;
    }

    /* Imágenes responsive */
    .image-container {
        margin: 25px 0;
    }

    .image-wrapper {
        width: 100%;
    }

    .manual-image {
        width: 100%;
        height: auto;
    }

    .image-caption {
        font-size: 0.85rem;
        padding: 0 10px;
        flex-wrap: wrap;
        justify-content: center;
    }

    /* Modal responsive */
    .modal-content {
        max-width: 95%;
        max-height: 85%;
        margin-top: 5%;
    }

    .close-modal {
        top: 15px;
        right: 20px;
        font-size: 35px;
        width: 40px;
        height: 40px;
    }

    .modal-caption {
        width: 90%;
        font-size: 1rem;
        padding: 12px;
    }

    /* Footer responsive */
    .footer {
        padding: 40px 20px 25px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-section {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-logo {
        max-width: 200px;
        margin: 0 auto 15px;
    }

    .footer-section h3,
    .footer-section h4 {
        justify-content: center;
    }

    /* Scroll to top responsive */
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }

    /* Status badges responsive */
    .status-explanation {
        padding: 20px;
    }

    .status-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .status-badge {
        font-size: 0.8rem;
        padding: 5px 12px;
    }
}

/* Móviles pequeños (320px - 480px) */
@media (max-width: 480px) {
    .sidebar {
        width: 100%;
        max-width: 280px;
    }

    /* Hero ultra responsive */
    .hero {
        padding: 60px 10px 50px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
        margin-bottom: 10px;
    }

    .hero-content h2 {
        font-size: 1.4rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .version-badge {
        padding: 8px 18px;
        font-size: 0.85rem;
    }

    .hero-company-logo {
        max-width: 150px;
    }

    .hero-description {
        font-size: 0.95rem;
        padding: 0;
    }

    .hero-features {
        gap: 10px;
    }

    .feature-item {
        padding: 8px 15px;
        font-size: 0.9rem;
    }

    .cta-button {
        padding: 12px 24px;
        font-size: 0.95rem;
        width: 100%;
        max-width: 280px;
    }

    /* Sidebar header ultra responsive */
    .sidebar-header {
        padding: 20px 15px;
    }

    .sidebar-brand {
        gap: 10px;
    }

    .company-logo {
        width: 45px;
        height: 45px;
    }

    .company-name {
        font-size: 0.85rem;
    }

    .company-tagline {
        font-size: 0.6rem;
    }

    .manual-title {
        font-size: 1.2rem;
        margin-top: 12px;
    }

    .version {
        font-size: 0.8rem;
    }

    /* Secciones ultra responsive */
    .section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 1.5rem;
        padding: 0 15px 10px;
    }

    .section-icon {
        font-size: 2rem;
        padding: 12px;
    }

    .section-description {
        font-size: 0.95rem;
        padding: 0 10px;
    }

    .container {
        padding: 25px 15px;
    }

    /* Cards ultra responsive */
    .card {
        padding: 20px 15px;
        margin-bottom: 20px;
        border-radius: 12px;
    }

    .card-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .card-title {
        font-size: 1.3rem;
    }

    .intro-text {
        font-size: 0.95rem;
    }

    /* Steps ultra responsive */
    .step-item {
        padding: 15px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }

    .step-content h4 {
        font-size: 1rem;
    }

    /* Info items ultra responsive */
    .info-item {
        padding: 15px;
    }

    .info-icon {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }

    .info-content h4 {
        font-size: 1.1rem;
    }

    /* Examples grid ultra responsive */
    .examples-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .example-tag {
        padding: 10px;
        font-size: 0.8rem;
    }

    /* Listas ultra responsive */
    .feature-list li {
        padding: 10px 0 10px 30px;
        font-size: 0.95rem;
    }

    .step-list li {
        padding: 15px 0 15px 55px;
        font-size: 0.95rem;
    }

    .step-list li::before {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        top: 15px;
    }

    /* Cajas informativas ultra responsive */
    .warning-box,
    .info-box,
    .tip-box {
        padding: 15px 18px;
        font-size: 0.9rem;
    }

    .warning-content strong,
    .info-content-box strong,
    .tip-content strong {
        font-size: 1rem;
    }

    /* Imágenes ultra responsive */
    .image-container {
        margin: 20px 0;
    }

    .image-caption {
        font-size: 0.8rem;
    }

    /* Modal ultra responsive */
    .modal-content {
        max-width: 98%;
        max-height: 80%;
    }

    .close-modal {
        top: 10px;
        right: 15px;
        font-size: 30px;
        width: 35px;
        height: 35px;
    }

    .modal-caption {
        width: 95%;
        font-size: 0.9rem;
        padding: 10px;
    }

    /* Footer ultra responsive */
    .footer {
        padding: 30px 15px 20px;
    }

    .footer-content {
        gap: 25px;
    }

    .footer-logo {
        max-width: 160px;
    }

    .footer-section h3 {
        font-size: 1.1rem;
    }

    .footer-section h4 {
        font-size: 1rem;
    }

    .footer-section p {
        font-size: 0.9rem;
    }

    /* Scroll to top ultra responsive */
    .scroll-top {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    /* Toggle sidebar ultra responsive */
    .toggle-sidebar {
        top: 15px;
        left: 15px;
        padding: 10px 14px;
        font-size: 1.1rem;
    }

    /* Nav links ultra responsive */
    .nav-link {
        padding: 12px 15px;
        font-size: 0.9rem;
    }

    .nav-link i {
        font-size: 1rem;
    }
}

/* Pantallas muy pequeñas (hasta 320px) */
@media (max-width: 320px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-content h2 {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .card-title {
        font-size: 1.2rem;
    }

    .container {
        padding: 20px 10px;
    }

    .card {
        padding: 15px 12px;
    }
}

/* Orientación landscape en móviles */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: 50px 15px 40px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .section {
        padding: 40px 0;
    }
}

/* Mejoras de accesibilidad en móviles */
@media (max-width: 768px) {
    /* Asegurar que los elementos sean tocables */
    .nav-link,
    .cta-button,
    .toggle-sidebar,
    .scroll-top {
        min-height: 44px;
        min-width: 44px;
    }

    /* Mejorar espaciado táctil */
    .card,
    .step-item,
    .info-item {
        margin-bottom: 15px;
    }

    /* Asegurar que el texto sea legible */
    body {
        font-size: 16px; /* Previene zoom automático en iOS */
    }

    input,
    textarea,
    select {
        font-size: 16px; /* Previene zoom automático en iOS */
    }
}

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Estilos para scrollbar personalizado */
.sidebar::-webkit-scrollbar {
    width: 8px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Animaciones de entrada */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: slideInUp 0.6s ease-out;
}