/* --- Estilos Personalizados para Its-Mobile (Versión Rediseñada - Final "MODERNO) --- */

:root {
    --primary-color: #ff6600; /* Color principal obligatorio */
    --primary-darker: #e65c00;
    --dark-grey: #333333;
    --medium-grey: #555555;
    --light-grey: #f4f4f7;
    --white: #ffffff;
    --black: #000000;

    --heading-font: 'Poppins', sans-serif;
    --body-font: 'Inter', sans-serif;

    --container-width: 1140px;
    --border-radius: 8px;
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px; /* Base para REMs */
}

body {
    font-family: var(--body-font);
    color: var(--dark-grey);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden; /* Evitar scroll horizontal */
    padding-top: 70px; /* Espacio para navbar fija */
}

/* --- Utilidades --- */
.container {
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 15px;
    padding-right: 15px;
}
.container-narrow { /* Contenedor más estrecho para artículos */
    max-width: 800px;
}
.section {
    padding: 60px 0; /* Reducido un poco el padding */
}
.bg-light {
    background-color: var(--light-grey);
}
.text-primary {
    color: var(--primary-color) !important;
}
.text-center {
    text-align: center;
}
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }
.img-fluid { /* Estilo responsivo para imágenes */
    max-width: 100%;
    height: auto;
    display: block; /* Evitar espacio extra debajo */
}
.rounded {
    border-radius: var(--border-radius);
}
.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

/* --- Tipografía --- */
h1, h2, h3, h4 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark-grey);
    margin-bottom: 1rem;
}
h1 { font-size: clamp(2.2rem, 5vw, 3rem); margin-bottom: 1.5rem;}
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-bottom: 2rem; }
h3 { font-size: clamp(1.4rem, 3vw, 1.7rem); }
h4 { font-size: clamp(1.1rem, 2.5vw, 1.3rem); }

p {
    color: var(--medium-grey);
    margin-bottom: 1rem;
}
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}
a:hover {
    color: var(--primary-darker);
    text-decoration: underline;
}
ul, ol {
    padding-left: 20px; /* Reducir indentación */
    margin-bottom: 1rem;
}
li {
    margin-bottom: 0.5rem;
}
blockquote {
    font-size: 1rem;
    color: var(--medium-grey);
    border-left: 4px solid var(--primary-color);
    margin: 1.5em 0;
    padding: 0.5em 1.5em;
    background-color: var(--light-grey);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}
blockquote p:last-child {
    margin-bottom: 0;
}
.img-caption {
    font-size: 0.9rem;
    color: var(--medium-grey);
    text-align: center;
    margin-top: 0.5rem;
    font-style: italic;
}


/* --- Botones --- */
.btn {
    display: inline-block;
    padding: 10px 25px; /* Ajuste ligero */
    font-family: var(--heading-font);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease, border-color var(--transition-speed) ease, color var(--transition-speed) ease;
    text-align: center;
    text-decoration: none;
}
.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    border: 2px solid var(--primary-color);
}
.btn-primary:hover {
    background-color: var(--primary-darker);
    border-color: var(--primary-darker);
    color: var(--white);
    transform: translateY(-2px);
    text-decoration: none;
}
.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}
.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    text-decoration: none;
}
/* Ajuste específico para botón pequeño en navbar */
.navbar .btn-sm {
    padding: 8px 15px;
    font-size: 0.9rem;
}

/* --- Header / Navbar --- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.97); /* Ligeramente menos transparente */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08); /* Sombra un poco más definida */
    transition: background-color var(--transition-speed) ease;
    backdrop-filter: blur(6px);
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}
.navbar-brand img {
    max-height: 40px; /* Reducido ligeramente */
    display: block;
}
.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
}
.nav-links li {
    margin-left: 30px;
}
.nav-links a:not(.btn) {
    color: var(--dark-grey);
    font-weight: 500;
    text-decoration: none;
    position: relative;
    padding-bottom: 5px;
    font-size: 0.95rem; /* Ligeramente más pequeño */
}
.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-speed) ease;
}
.nav-links a:not(.btn):hover::after,
.nav-links a:not(.btn).active::after { /* Añadir clase active para la página actual */
    width: 100%;
}
.nav-links a:not(.btn):hover {
    color: var(--dark-grey);
    text-decoration: none;
}

/* Mobile Menu Styles */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--dark-grey);
    cursor: pointer;
}

@media (max-width: 992px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 15px 0;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        align-items: center;
    }
    .nav-links.active {
        display: flex;
    }
    .nav-links li {
        margin: 10px 0;
        margin-left: 0;
    }
    .menu-toggle {
        display: block;
    }
}

/* --- Hero Section (Para index.html) --- */
.hero {
    padding-top: 120px; /* Reducido padding superior */
    padding-bottom: 80px;
    background-color: var(--white);
    min-height: auto; /* No forzar altura mínima */
    display: flex;
    align-items: center;
}
.hero-content {
    max-width: 750px;
    text-align: center;
    margin: 0 auto;
}
.hero h1 {
    color: var(--dark-grey);
    font-weight: 700;
    margin-bottom: 1.5rem;
}
.hero p {
    font-size: 1.1rem; /* Reducido ligeramente */
    color: var(--medium-grey);
    margin-bottom: 2.5rem;
}
.hero .btn {
    margin: 5px 10px;
}

/* --- Secciones Generales --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}
.feature-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}
.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}
.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}
.feature-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.service-item {
    display: flex;
    align-items: flex-start;
    gap: 20px; /* Reducido gap */
    margin-bottom: 30px;
}
.service-item i {
    font-size: 1.8rem; /* Reducido tamaño icono */
    color: var(--primary-color);
    margin-top: 5px;
    min-width: 25px;
}
.service-item h4 {
    margin-bottom: 0.5rem;
    font-size: 1.3rem; /* Ajustado tamaño */
}

/* --- "Why Us" Section (Modificado) --- */
#why-us {
    background-color: var(--light-grey);
    color: var(--dark-grey);
}
#why-us h2 {
    color: var(--dark-grey);
}
#why-us p {
    color: var(--medium-grey);
}
.why-us-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
     gap: 30px;
     margin-top: 40px;
}
.why-us-item {
     background-color: var(--white);
     padding: 25px;
     border-radius: var(--border-radius);
     box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}
 .why-us-item i {
     font-size: 1.8rem;
     margin-bottom: 0.8rem;
     display: block;
     color: var(--primary-color);
 }
 .why-us-item h4 {
      font-size: 1.2rem;
      font-weight: 600;
      margin-bottom: 0.5rem;
      color: var(--dark-grey);
 }
  .why-us-item p {
     color: var(--medium-grey);
     font-size: 0.95rem; /* Texto ligeramente más pequeño en tarjetas */
  }


/* --- CTA Section (Modificado) --- */
.cta-section {
    background-color: var(--white);
    color: var(--dark-grey);
    text-align: center;
}
.cta-section h2 {
    color: var(--dark-grey);
    margin-bottom: 1rem; /* Menos margen */
}
.cta-section p {
    color: var(--medium-grey);
    margin-bottom: 1.5rem;
}

/* --- Footer --- */
.main-footer {
    background-color: var(--dark-grey);
    color: #a0a0a0;
    padding: 50px 0 20px 0; /* Ajuste padding */
    margin-top: 60px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); /* Ajuste minmax */
    gap: 30px;
    margin-bottom: 30px;
}
.footer-col h4 {
    color: var(--white);
    font-size: 1.05rem; /* Ligeramente más pequeño */
    margin-bottom: 1rem;
    font-weight: 600;
}
.footer-col p, .footer-col a, .footer-col li {
    font-size: 0.9rem; /* Ligeramente más pequeño */
    color: #a0a0a0;
    margin-bottom: 0.6rem; /* Ajuste margen */
    line-height: 1.6;
}
.footer-col a {
    text-decoration: none;
}
.footer-col a:hover {
    color: var(--white);
    text-decoration: underline;
}
.footer-col ul {
    list-style: none;
    padding: 0;
}
.footer-logo img {
     max-width: 180px; /* Ajuste tamaño logo footer */
     margin-bottom: 1rem;
}
.social-links a {
    color: #a0a0a0;
    font-size: 1.3rem; /* Reducido tamaño iconos sociales */
    margin-right: 12px;
    transition: color var(--transition-speed) ease;
    text-decoration: none;
}
.social-links a:hover {
    color: var(--primary-color);
}
.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    margin-top: 20px;
    text-align: center;
    font-size: 0.85rem; /* Más pequeño */
    color: #888;
}

/* --- Estilos Específicos para Páginas --- */

/* Blog Listing Page (Blog.html) */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.blog-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden; /* Para que la imagen no se salga */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    height: 100%; /* Para que las tarjetas tengan la misma altura si están en fila */
}
.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}
.blog-card img {
    width: 100%;
    height: 200px; /* Altura fija para imagen */
    object-fit: cover; /* Para que la imagen cubra sin distorsionarse */
}
.blog-card-content {
    padding: 20px;
    flex-grow: 1; /* Permite que el contenido crezca */
    display: flex;
    flex-direction: column;
}
.blog-card-content h4 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}
.blog-card-content p {
    font-size: 0.95rem;
    flex-grow: 1; /* Empuja el botón hacia abajo */
    margin-bottom: 1rem;
}
.blog-card-content .btn {
    margin-top: auto; /* Empuja el botón hacia abajo */
    align-self: flex-start; /* Alinea el botón a la izquierda */
}

/* Blog Post / Content Page (e.g., ITSMOBILE.html) */
.content-page h1 {
    margin-bottom: 0.5rem;
}
.content-page .meta-info { /* Para info de autor/fecha */
    font-size: 0.9rem;
    color: var(--medium-grey);
    margin-bottom: 2rem;
    display: block; /* Asegurar que sea bloque */
}
.content-page img.img-fluid {
    margin-top: 1rem;
    margin-bottom: 0.5rem; /* Espacio antes de caption */
}
.content-page .img-caption {
    margin-bottom: 2rem; /* Espacio después de caption */
}
.content-page h2 {
     margin-top: 2.5rem;
     margin-bottom: 1rem;
     border-bottom: 1px solid #eee; /* Separador sutil para H2 */
     padding-bottom: 0.5rem;
}
.content-page h3 {
     margin-top: 2rem;
     margin-bottom: 0.8rem;
}
.content-page ul, .content-page ol {
     margin-left: 5px; /* Ligeramente más indentado */
     margin-bottom: 1.5rem;
}
.content-page li {
     margin-bottom: 0.6rem;
}
.content-page blockquote {
    margin: 2em 0;
}

/* Contact Form (Contacto.html) */
.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.contact-form .form-control {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ccc;
    border-radius: var(--border-radius);
    margin-bottom: 1rem; /* Espacio debajo de cada input */
    font-size: 1rem;
    line-height: 1.5;
}
.contact-form .form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(var(--primary-color), 0.2);
}
.contact-form textarea.form-control {
    min-height: 150px;
    resize: vertical;
}
.contact-form .privacy-link {
    font-size: 0.85rem;
    display: block;
    margin-top: -0.5rem; /* Acercar al último campo */
    margin-bottom: 1.5rem;
}
.contact-form .form-buttons .btn {
    margin-right: 10px;
}
.contact-form .form-buttons .btn:last-child {
    margin-right: 0;
}

/* Tablas (ej. Transacciones_SAP_LM_Radiofrecuencia.html) */
.table-wrapper { /* Contenedor para hacerla responsive si es ancha */
    overflow-x: auto;
    margin-bottom: 1.5rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--white);
  font-size: 0.95rem;
}
th, td {
  padding: 10px 12px;
  border: 1px solid #ddd;
  text-align: left;
  vertical-align: top;
}
thead th {
  background-color: var(--light-grey);
  font-weight: 600;
  color: var(--dark-grey);
}
tbody tr:nth-child(odd) {
  background-color: #fdfdfd; /* Cebra muy sutil */
}
tbody tr:hover {
  background-color: #f5f5f5; /* Hover en filas */
}

/* Animaciones (Clase JS) */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}