/* --- 1. RESET & TIPOGRAFÍA --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body { 
    font-family: 'Montserrat', sans-serif; 
    color: #444; 
    line-height: 1.6; 
    background-color: #fdfdfd; 
}

ul { list-style: none; }
a { text-decoration: none; color: inherit; transition: 0.3s; }

/* --- 2. PALETA DE COLORES LABOR HR --- */
:root {
    --navy: #0F1C2E;    /* Azul Corporativo */
    --gold: #C5A059;    /* Dorado Premium */
    --white: #FFFFFF;
    --light-gray: #F4F6F8;
    --text-gray: #555555;
}

/* --- 3. NAVEGACIÓN --- */
nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 5%; 
    background: var(--navy); 
    height: 80px; /* Altura fija */
    position: sticky; top: 0; z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.logo-container { height: 100%; display: flex; align-items: center; }
.logo-img { height: 50px; width: auto; } /* Ajuste de logo */

.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { 
    color: var(--white); 
    font-weight: 500; 
    font-size: 0.9rem; 
    text-transform: uppercase; 
    letter-spacing: 0.5px;
}
.nav-links a:hover { color: var(--gold); }

.btn-nav { 
    border: 1px solid var(--gold); 
    padding: 0.6rem 1.5rem; 
    border-radius: 4px; 
    color: var(--gold) !important; 
}
.btn-nav:hover { background: var(--gold); color: var(--navy) !important; }

/* --- 4. HERO SECTION (PORTADA) --- */
.hero {
    position: relative;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') center/cover;
    height: 85vh; 
    display: flex; align-items: center; justify-content: center; 
    text-align: center; color: var(--white);
    padding: 0 1rem;
}
.hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 28, 46, 0.85); /* Filtro Azul Oscuro */
}
.hero-content { position: relative; z-index: 2; max-width: 800px; }

.tagline { color: var(--gold); font-weight: 600; letter-spacing: 3px; text-transform: uppercase; margin-bottom: 0.5rem; }
.hero h1 { font-size: 3.5rem; font-weight: 700; margin-bottom: 1rem; letter-spacing: 1px; }
.hero .subtitle { font-size: 1.3rem; font-weight: 300; margin-bottom: 2rem; color: #ddd; }
.hero .intro-text { font-weight: 300; font-size: 1.1rem; margin-bottom: 3rem; opacity: 0.95; }

.btn-primary { 
    background: var(--gold); color: var(--navy); 
    padding: 1rem 2.5rem; font-weight: 700; border-radius: 4px; 
    text-transform: uppercase; box-shadow: 0 4px 15px rgba(197, 160, 89, 0.3);
}
.btn-primary:hover { background: #e0b86a; transform: translateY(-2px); }

/* --- 5. SECCIONES GENERALES --- */
section { padding: 5rem 8%; }
.container { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 4rem; max-width: 800px; margin-left: auto; margin-right: auto; }
h2 { font-size: 2.2rem; color: var(--navy); margin-bottom: 1rem; text-transform: uppercase; font-weight: 700; }
.section-header p { color: var(--text-gray); font-size: 1.1rem; }

/* --- 6. NUESTRO ADN --- */
.adn-section { background: var(--white); }
.adn-grid { 
    display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; 
}
.adn-card { 
    flex: 1 1 300px; max-width: 380px;
    text-align: center; padding: 2.5rem; 
    background: var(--white); 
    border: 1px solid #eee; border-bottom: 3px solid transparent;
    transition: 0.3s;
}
.adn-card:hover { 
    border-bottom-color: var(--gold); 
    transform: translateY(-5px); 
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); 
}

/* Alineación de Iconos y Títulos (ADN) */
.icon-wrapper { 
    height: 70px; /* Altura fija para alinear */
    display: flex; align-items: flex-end; justify-content: center; 
    margin-bottom: 1.5rem; 
}
.adn-card i { font-size: 2.5rem; color: var(--gold); }
.adn-card h3 { color: var(--navy); margin-bottom: 1rem; font-size: 1.3rem; min-height: 3rem; display: flex; align-items: center; justify-content: center; }

/* --- 7. SERVICIOS (PORTAFOLIO) --- */
.services-section { background: var(--light-gray); }

/* Flexbox para centrar tarjetas (incluso si son impares) */
.services-grid { 
    display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; 
}

.service-card { 
    flex: 1 1 320px; max-width: 450px; /* Tarjetas anchas pero controladas */
    background: var(--white); padding: 3rem 2.5rem; 
    border-radius: 6px; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.03); 
    transition: 0.3s; 
    display: flex; flex-direction: column; 
    border-top: 4px solid var(--navy); /* Detalle elegante superior */
}
.service-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); border-top-color: var(--gold); }
.service-card.highlight { border: 2px solid var(--gold); } /* Destacar Seguridad */

/* Centrado de Iconos y Títulos de Servicios */
.icon-box { 
    width: 70px; height: 70px; 
    background: var(--navy); color: var(--white); 
    display: flex; align-items: center; justify-content: center; 
    border-radius: 50%; font-size: 1.8rem; margin: 0 auto 1.5rem auto; 
}
.service-card h3 { 
    text-align: center; color: var(--navy); margin-bottom: 1rem; font-size: 1.4rem; font-weight: 700; 
}
.service-card p { 
    text-align: center; color: var(--text-gray); font-size: 0.95rem; margin-bottom: 2rem; 
}

/* LISTAS DE CARACTERÍSTICAS (La corrección clave) */
.feature-list {
    text-align: left;
    width: 100%;
    margin-top: auto; /* Empuja la lista al fondo si hay espacio */
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0,0,0,0.05);
}

.feature-list li {
    margin-bottom: 1rem;
    display: flex;             /* Alineación flexible */
    align-items: flex-start;   /* Icono arriba, texto fluye */
    font-size: 0.9rem;
    color: #555;
    line-height: 1.5;
}

.feature-list li i {
    color: var(--gold);
    margin-right: 12px;
    min-width: 16px;           /* Evita que el texto se meta bajo el icono */
    margin-top: 5px;           /* Ajuste óptico */
}

.feature-list li strong {
    color: var(--navy);        /* Títulos en Azul */
    font-weight: 700;
    margin-right: 5px;         /* Aire después de los dos puntos */
}

/* --- 8. FOOTER & CONTACTO --- */
footer { background: var(--navy); color: var(--white); padding: 5rem 10% 2rem 10%; }
.footer-cta { text-align: center; margin-bottom: 3rem; }
.footer-cta h2 { color: var(--gold); margin-bottom: 1rem; }
.footer-cta p { font-size: 1.1rem; opacity: 0.9; max-width: 600px; margin: 0 auto; }

/* Tarjeta de Contacto Agrupada */
.contact-card-wrapper { 
    display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 4rem;
    background: rgba(255,255,255,0.05); padding: 3rem; border-radius: 8px; border: 1px solid rgba(255,255,255,0.1);
}

.contact-info { text-align: left; min-width: 280px; }
.contact-info h3 { font-size: 1.8rem; margin-bottom: 1.5rem; letter-spacing: 1px; color: var(--white); }
.contact-item { margin-bottom: 1rem; font-size: 1.1rem; display: flex; align-items: center; gap: 12px; }
.contact-item i { color: var(--gold); width: 20px; text-align: center; }
.contact-item a:hover { color: var(--gold); }

.btn-linkedin { 
    display: inline-flex; align-items: center; gap: 10px; margin-top: 1.5rem; 
    padding: 0.7rem 1.5rem; border: 1px solid var(--white); border-radius: 4px; font-size: 0.9rem; transition: 0.3s;
}
.btn-linkedin:hover { background: var(--gold); border-color: var(--gold); color: var(--navy); }

/* Código QR */
.qr-code { text-align: center; background: var(--white); padding: 15px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.3); }
.qr-code img { width: 140px; height: 140px; display: block; margin-bottom: 8px; }
.qr-code span { color: var(--navy); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }

.copyright { text-align: center; margin-top: 4rem; font-size: 0.8rem; opacity: 0.4; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 2rem; }

/* --- 9. RESPONSIVE MOBILE --- */
@media (max-width: 768px) {
    .nav-links { display: none; } /* Ocultar menú en móvil */
    .hero h1 { font-size: 2.2rem; }
    .hero .subtitle { font-size: 1rem; }
    section { padding: 4rem 5%; }
    
    .contact-card-wrapper { flex-direction: column; text-align: center; gap: 2rem; }
    .contact-info { text-align: center; }
    .contact-item { justify-content: center; }
}