/* =========================================
   VARIABLES Y BASE
   ========================================= */
:root {
    --color-principal: #1f1f1f;
    /* Negro/Gris muy oscuro */
    --color-secundario: #4a4a4a;
    /* Gris medio */
    --color-acento: #A58852;
    /* Dorado/Cobre */
    --color-acento-hover: #927546;
    --color-fondo: #f9f9f9;
    --color-fondo-blanco: #ffffff;
    --font-principal: 'Montserrat', sans-serif;
    --font-elegante: 'Playfair Display', serif;
}

body {
    font-family: var(--font-principal);
    color: var(--color-principal);
    background-color: var(--color-fondo-blanco);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-elegante);
    color: var(--color-principal);
    font-weight: 700;
}

h1 {
    font-size: 3rem;
    margin-top: 0;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 40px;
}

.centered-title {
    text-align: center;
}

/* Contenedores y Layout General */
section {
    padding: 80px 5%;
}

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

/* =========================================
   HEADER Y NAVEGACIÓN
   ========================================= */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 5%;
    background-color: var(--color-fondo-blanco);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 1000;
}

.logo img {
    height: 50px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
    margin: 0;
    padding: 0;
    align-items: center;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-principal);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.main-nav a.active {
    color: var(--color-acento);
}

.main-nav a:hover:not(.active) {
    color: var(--color-acento);
}

/* Botón Contacto en menú */
.btn-contact {
    border: 1px solid var(--color-acento);
    padding: 8px 20px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-contact:hover,
.btn-contact.active {
    background-color: var(--color-acento);
    color: white !important;
}

/* =========================================
   BOTONES (CTAs) GLOBAL
   ========================================= */
.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
    border: none;
}

.primary-cta {
    background-color: var(--color-acento);
    color: white;
}

.primary-cta:hover {
    background-color: var(--color-acento-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    color: var(--color-acento);
    border: 1px solid var(--color-acento);
    padding: 10px 20px;
    border-radius: 5px;
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background-color: var(--color-acento);
    color: white;
}

/* =========================================
   HERO SECTIONS (HOME & SERVICIOS)
   ========================================= */

/* Hero Split (Inicio) */
.hero-split {
    background-color: #1f1f1f;
    padding: 80px 5%;
    display: flex;
    align-items: center;
    min-height: 600px;
}

.hero-text {
    flex: 1;
    min-width: 300px;
    padding-right: 40px;
}

.hero-visual-container {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: flex-end;
}

.hero-visual-container img {
    width: 100%;
    max-width: 600px;
    border-radius: 8px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

/* Hero Servicios (Acreditación, ISO, etc) */
.service-hero {
    background-color: var(--color-principal);
    color: white;
    padding: 120px 5%;
    text-align: center;
    position: relative;
}

/* Capa oscura sobre imagen de fondo */
.service-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(31, 31, 31, 0.75);
    z-index: 1;
}

.service-hero .container {
    position: relative;
    z-index: 2;
}

.service-hero h1 {
    color: white;
    margin-bottom: 20px;
}

.service-hero p {
    color: #f1f1f1;
    max-width: 800px;
    margin: 0 auto 30px auto;
}

/* =========================================
   PILARES Y CAJAS DE SERVICIO
   ========================================= */
.services-pillars {
    background-color: var(--color-fondo-blanco);
}

.pillars-container {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.pillar-card {
    flex: 1;
    min-width: 240px;
    max-width: 350px;
    padding: 40px 30px;
    text-align: center;
    border: 1px solid #eee;
    border-radius: 8px;
    background: white;
    transition: transform 0.3s, box-shadow 0.3s;
}

.pillar-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-color: transparent;
}

.icon-container-grande {
    font-size: 3rem;
    display: block;
    margin-bottom: 20px;
}

/* =========================================
   LISTAS MODERNAS (Acreditación & ISO)
   ========================================= */

/* Grid para cajas de solución */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.solution-grid article {
    padding: 35px;
    border-radius: 8px;
    background-color: white;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border-top: 4px solid var(--color-acento);
    /* Por defecto dorado */
    transition: transform 0.3s;
}

.solution-grid article:hover {
    transform: translateY(-5px);
}

.solution-grid h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.icon-container {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 20px;
}

/* Lista Moderna Acreditación (Tarjetas con check) */
.modern-check-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.modern-check-list li {
    background-color: white;
    padding: 20px 20px 20px 55px;
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
    position: relative;
    border-left: 4px solid var(--color-acento);
}

.modern-check-list li::before {
    content: '✓';
    position: absolute;
    left: 20px;
    top: 20px;
    color: var(--color-acento);
    font-size: 1.5rem;
    font-weight: 700;
}

.modern-check-list li strong {
    display: block;
    font-family: var(--font-elegante);
    font-size: 1.1rem;
    color: var(--color-principal);
    margin-bottom: 5px;
}

/* Lista Moderna ISO (Limpia sin tarjetas) */
.iso-modern-list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.iso-modern-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 18px;
    font-size: 0.95rem;
    color: #555;
}

.iso-modern-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--color-acento);
    font-weight: bold;
}

.iso-modern-list li strong {
    color: var(--color-principal);
}

/* =========================================
   BLOG / INSIGHTS
   ========================================= */
.blog-preview {
    background-color: var(--color-fondo);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.post-card {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
    border-left: 4px solid var(--color-acento);
    transition: transform 0.3s;
}

.post-card:hover {
    transform: translateY(-5px);
}

.post-card .date {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #888;
    margin-bottom: 10px;
    display: block;
}

/* =========================================
   FORMULARIO DE CONTACTO
   ========================================= */
.contact-hero {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    background-color: var(--color-fondo);
    padding: 80px 5%;
    gap: 50px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-image {
    flex: 1;
    min-width: 300px;
}

.contact-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-section {
    padding: 80px 5%;
    background: white;
}

.qualified-form {
    max-width: 700px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

input,
select,
textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--font-principal);
    background-color: #fafafa;
    box-sizing: border-box;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-acento);
    background: white;
    outline: none;
}

.two-columns {
    display: flex;
    gap: 20px;
}

.two-columns>* {
    flex: 1;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 10px;
}

.checkbox-group label {
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

/* =========================================
   FOOTER
   ========================================= */
.main-footer {
    background-color: #111;
    color: #ccc;
    padding: 60px 5% 20px;
    font-size: 0.95rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-group h4 {
    color: white;
    font-size: 1.1rem;
    margin-top: 0;
    margin-bottom: 20px;
}

.footer-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-group li {
    margin-bottom: 10px;
}

.footer-group a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-group a:hover {
    color: var(--color-acento);
}

.footer-link-cta {
    color: var(--color-acento) !important;
    font-weight: 600;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #222;
    color: #666;
    font-size: 0.85rem;
}

/* =========================================
   RESPONSIVE (MOVIL)
   ========================================= */
.burger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 30px;
    flex-direction: column;
    justify-content: space-around;
    padding: 0;
}

.burger-menu .bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-principal);
    transition: all 0.3s;
}

@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }

    .hero-split {
        flex-direction: column;
        padding: 60px 5%;
        text-align: center;
    }

    .hero-text {
        padding-right: 0;
        margin-bottom: 40px;
    }

    .hero-visual-container {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: white;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .main-nav a {
        display: block;
        padding: 15px;
        border-bottom: 1px solid #eee;
    }

    .burger-menu {
        display: flex;
    }

    .two-columns {
        flex-direction: column;
        gap: 0;
    }

    .contact-hero {
        flex-direction: column-reverse;
    }
}

/* =========================================
   CORRECCIÓN FORZADA DE FONDO OSCURO (ISO)
   ========================================= */
section.trust-cta {
    background-color: #1f1f1f !important;
    /* Negro corporativo forzado */
    color: white !important;
    /* Texto blanco forzado */
    padding: 100px 5%;
}

section.trust-cta h2,
section.trust-cta p {
    color: white !important;
}

/* Asegurar que el botón resalte sobre el fondo negro */
section.trust-cta .btn {
    background-color: white !important;
    color: #1f1f1f !important;
    border: none !important;
    font-weight: 700;
}

/* =========================================
   GRID DE 2 COLUMNAS (Para Branding)
   ========================================= */
@media (min-width: 768px) {
    .grid-2-col {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* =========================================
   CORRECCIONES DEL FORMULARIO DE CONTACTO
   ========================================= */

/* 1. Contenedor para que la etiqueta quede arriba del campo */
.input-wrapper {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.input-wrapper label {
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: #333;
}

/* 2. ARREGLO DE CHECKBOXES (Para que no sean gigantes) */
/* Sobrescribimos la regla general de inputs al 100% */
input[type="checkbox"] {
    width: 20px !important;
    /* Tamaño fijo pequeño */
    height: 20px !important;
    margin-right: 12px !important;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    cursor: pointer;
    display: inline-block;
    /* Asegura que no se estiren */
}

/* 3. Rejilla ordenada para los servicios */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    /* Columnas adaptables */
    gap: 15px;
    background: #fdfdfd;
    padding: 20px;
    border-radius: 6px;
    border: 1px solid #eee;
}

/* 4. Alinear texto y cuadradito perfectamente */
.checkbox-grid label,
.privacy-check label {
    display: flex !important;
    /* Flexbox para alinear ítems */
    flex-direction: row !important;
    /* En fila horizontal */
    align-items: center !important;
    /* Centrados verticalmente */
    justify-content: flex-start !important;
    font-weight: 400 !important;
    cursor: pointer;
    margin-bottom: 0 !important;
    text-align: left !important;
    width: auto !important;
}