/* css/estilos.css */
:root {
    --color-primario: #ff6600; /* Naranja corporativo Rezzguardo */
    --color-oscuro: #0f172a;   /* Azul pizarra oscuro / Negro corporativo */
    --color-claro: #f8fafc;
    --color-texto: #334155;
    --fuente-principal: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

/* 1. RESET BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--fuente-principal);
    color: var(--color-texto);
    background-color: #ffffff;
    line-height: 1.6;
}

/* 2. NAVEGACIÓN Y HEADER */
header {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.nav-contenedor {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-primario);
    letter-spacing: 1px;
}

.logo span {
    color: #ffffff;
}

.menu {
    list-style: none;
    display: flex;
    gap: 25px;
}

.menu a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.menu a:hover {
    color: var(--color-primario);
}

/* 3. HERO SECTION */
.hero {
    background-color: var(--color-oscuro);
    background: linear-gradient(to right, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.1) 100%), url('../img/hero-fondo.jpg') center/cover no-repeat;
    color: #ffffff;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    padding: 20px 10%;
    max-width: 100%;
    margin: 0;
}

.hero-contenido h1 {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero-contenido {
    width: 100%;
}

.hero-contenido p {
    font-size: 1.25rem;
    color: #e2e8f0;
    max-width: 600px;
    margin: 0 0 40px 0;
}

.btn-principal {
    background-color: var(--color-primario);
    color: #ffffff;
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    display: inline-block;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-principal:hover {
    background-color: #e65c00;
    transform: translateY(-2px);
}

/* 4. SECCIONES GENERALES */
section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-oscuro);
    font-size: 3rem;
    font-weight: 800;
}

/* 5. SERVICIOS (GRID) */
.grid-servicios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.tarjeta {
    background-color: var(--color-claro);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border-bottom: 4px solid var(--color-primario);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tarjeta:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.tarjeta h3 {
    margin: 20px 0 15px 0;
    color: var(--color-oscuro);
    font-size: 1.4rem;
}

/* 6. FORMULARIO DE CONTACTO */
.contacto {
    background-color: #ffffff;
}

#form-contacto {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

#form-contacto input, #form-contacto textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--color-claro);
}

#form-contacto textarea {
    min-height: 150px;
    resize: vertical;
}

.btn-enviar {
    background-color: var(--color-oscuro);
    color: #ffffff;
    padding: 15px;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    font-size: 1.1rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-enviar:hover {
    background-color: var(--color-primario);
}

/* 7. BOTÓN WHATSAPP */
.btn-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366; /* Verde oficial de WhatsApp */
    border-radius: 50%;
    width: 65px;
    height: 65px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: transform 0.3s ease;
}

.btn-whatsapp:hover {
    transform: scale(1.1);
}

/* 8. MEDIA QUERIES (RESPONSIVE) */
@media (max-width: 768px) {
    .menu {
        display: none; /* Pendiente: Implementar menú hamburguesa en JS */
    }
    .hero-contenido h1 {
        font-size: 2.2rem;
    }
    h2 {
        font-size: 1.8rem;
    }
}
/* 9. CERTIFICACIONES ISO */
.certificaciones {
    background-color: var(--color-claro);
    text-align: center;
}

.certificaciones h2 {
    margin-bottom: 10px;
}

.subtitulo-seccion {
    color: #64748b;
    margin-bottom: 40px;
}

.grid-iso {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.iso-item h4 {
    margin: 10px 0 5px 0;
    color: var(--color-oscuro);
}

.iso-item small {
    color: #64748b;
}

/* 10. FOOTER CORPORATIVO */
.footer {
    background-color: var(--color-oscuro);
    color: #cbd5e1;
    padding: 50px 20px 20px 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: auto;
}

.footer-info h3 {
    color: var(--color-primario);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.footer-info h3 span {
    color: #ffffff;
}

.slogan-footer {
    font-style: italic;
    margin-bottom: 15px;
}

.icono-inline {
    vertical-align: middle;
}

.footer-sedes h4 {
    color: #ffffff;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--color-primario);
    display: inline-block;
    padding-bottom: 5px;
}

.footer-sedes ul {
    list-style: none;
    padding: 0;
    line-height: 1.8;
}

.footer-copyright {
    text-align: center;
    margin-top: 40px;
    border-top: 1px solid #334155;
    padding-top: 20px;
    font-size: 0.9rem;
}
/* 11. MODIFICADORES SECCIÓN NOSOTROS */
.fondo-claro {
    background-color: var(--color-claro);
}

.texto-nosotros {
    max-width: 900px;
    margin: 0 auto 50px auto;
    text-align: center;
}

.grid-nosotros {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.tarjeta-blanca {
    background-color: #ffffff;
}
/* 12. BANNER RECLUTAMIENTO */
.empleo-banner {
    background-color: var(--color-oscuro);
    text-align: center;
    border-top: 4px solid var(--color-primario);
}

.titulo-blanco {
    color: #ffffff;
}

.empleo-contenido p {
    color: #cbd5e1;
    font-size: 1.15rem;
    margin-bottom: 30px;
}

/* 13. REDES SOCIALES FOOTER */
.redes-sociales {
    margin-top: 20px;
    display: flex;
    gap: 15px;
}

.redes-sociales a {
    transition: transform 0.3s ease;
    display: inline-block;
}

.redes-sociales a:hover {
    transform: translateY(-5px);
}
/* 14. MÉTRICAS DE AUTORIDAD */
.metricas-autoridad {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    background-color: var(--color-oscuro);
    padding: 40px 20px;
    border-bottom: 4px solid var(--color-primario);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    /* Efecto de superposición sobre el Hero */
    position: relative;
    z-index: 10;
    margin-top: -60px;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
    border-radius: 8px;
}

.metrica {
    text-align: center;
    color: #ffffff;
    min-width: 150px;
    margin: 10px;
}

.numero-marca {
    color: var(--color-primario);
    font-size: 2.5rem;
    margin-bottom: 5px;
}

.metrica p {
    color: #cbd5e1;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.85rem;
}
/* 15. RESPONSIVE DESIGN - CELULARES */
@media (max-width: 768px) {
    .hero-contenido h1 {
        font-size: 2.5rem; /* Achica el texto gigante en móviles */
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-contenido p {
        font-size: 1.1rem;
    }
    
    .numero-marca {
        font-size: 2rem;
    }
}
/* 16. MICROINTERACCIONES UI */
.tarjeta {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tarjeta:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}