/* --- Fuentes y Reseteo Básico --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700&family=Open+Sans:wght@400;600&display=swap');

:root {
    --primary-color: #333;
    --secondary-color: #f4f4f4;
    --accent-color: #c4b002;
    --accent-color-hover: #967f00;
    --text-color-light: #ffffff;
    --text-color-dark: #333;
    --section-overlay-color: rgba(0, 0, 0, 0); /* Opacidad ligera por defecto */
    --header-height: 70px;
    --mobile-menu-bg: rgba(53, 41, 17, 0.98);
    --card-bg-light: #ffffff;
    --card-bg-dark: rgba(255, 255, 255, 0.08); /* Para tarjetas sobre fondo oscuro */
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body { font-family: 'Open Sans', sans-serif; line-height: 1.7; color: var(--text-color-dark); background-color: var(--secondary-color); }
h1, h2, h3, h4, h5, h6 { font-family: 'Montserrat', sans-serif; margin-bottom: 1rem; font-weight: 700; line-height: 1.3; }
h1 { font-size: 3rem; margin-bottom: 1.5rem; }
h2 { font-size: 2.5rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; margin-top: 2rem; margin-bottom: 1rem; }
h4 { font-size: 1.2rem; margin-bottom: 0.8rem; }
p { margin-bottom: 1.2rem; }
a { color: var(--accent-color); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--accent-color-hover); text-decoration: none; } /* Quitar subrayado general en hover */
img { max-width: 100%; height: auto; display: block; }
ol, ul { margin-bottom: 1.5rem; padding-left: 25px; }
li { margin-bottom: 0.7rem; }
strong { font-weight: 600; }

/* --- Barra de Navegación --- */
.navbar { background-color: rgba(54, 49, 35, 0.9); color: var(--text-color-light); position: fixed; top: 0; left: 0; width: 100%; height: var(--header-height); display: flex; justify-content: space-between; align-items: center; padding: 0 2rem; z-index: 1000; box-shadow: 0 2px 5px rgba(0,0,0,0.2); }
.navbar .logo { font-family: 'Montserrat', sans-serif; font-size: 1.5rem; font-weight: 700; z-index: 1001; }
.navbar .logo a { color: var(--text-color-light); text-decoration: none; }
.main-nav ul { list-style: none; display: flex; align-items: center; padding-left: 0; margin-bottom: 0; }
.main-nav ul li { margin-left: 1.5rem; margin-bottom: 0; }
.main-nav ul li a { color: var(--text-color-light); text-decoration: none; font-weight: 600; padding: 5px 0; border-bottom: 2px solid transparent; transition: color 0.3s ease, border-bottom-color 0.3s ease; }
.main-nav ul li a:hover, .main-nav ul li a.active { color: var(--accent-color); text-decoration: none; border-bottom-color: var(--accent-color); }
.navbar .nav-cta { padding: 8px 15px; font-size: 0.9rem; border-radius: 5px; background-color: var(--accent-color); color: var(--text-color-light); border-bottom: none; transition: background-color 0.3s ease, transform 0.2s ease; }
.navbar .nav-cta:hover { background-color: var(--accent-color-hover); color: var(--text-color-light); transform: scale(1.05); border-bottom: none; }
.menu-toggle { display: none; background: none; border: none; color: var(--text-color-light); font-size: 1.8rem; cursor: pointer; padding: 0.5rem; z-index: 1001; }

/* --- NUEVA SECCIÓN HERO --- */
/* --- NUEVA SECCIÓN HERO --- */
.hero-section {
    /* background-color: #222; */ /* COMENTADO O ELIMINADO */

    /* --- LÍNEAS AÑADIDAS/MODIFICADAS --- */
    background-image: url('images/inicio.jpg'); /* Ruta a tu imagen */
    background-size: cover;                 /* Cubre todo el área */
    background-position: center center;     /* Centra la imagen */
    background-repeat: no-repeat;           /* No repetir la imagen */
    /* background-attachment: fixed; */     /* Opcional: Efecto Parallax (puede ser pesado) */
    /* ------------------------------------ */

    color: var(--text-color-light);
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 2rem 80px;
    position: relative;
    overflow: hidden;
    text-align: left;
}

/* IMPORTANTE: Añadir una superposición para legibilidad del texto */
/* (similar a las otras secciones, pero específica para el hero) */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Ajusta la opacidad según tu imagen y preferencia */
    background-color: rgba(0, 0, 0, 0.5); /* Superposición negra al 50% */
    z-index: 1; /* Detrás del contenido, encima del fondo */
}

/* Asegurar que el contenido del hero esté por encima de la superposición */
.hero-content {
    position: relative; /* Necesario para el z-index */
    z-index: 2;       /* Encima del ::before */
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    max-width: 1100px;
    width: 100%;
}

/* ... (El resto de los estilos de .hero-section y sus hijos permanecen igual) ... */

.hero-text {
    flex: 1 1 60%; /* El texto ocupa más espacio */
}
.hero-text h1 {
    color: var(--text-color-light);
    line-height: 1.2;
}
.hero-text > p { /* El párrafo introductorio */
    font-size: 1.15rem;
    margin-bottom: 2rem;
    color: #ccc; /* Un gris claro para diferenciar */
}

.hero-image-container {
    flex: 1 1 35%; /* La imagen ocupa menos */
    text-align: center; /* Centrar imagen si el contenedor es flexible */
}
.hero-image {
    max-width: 350px; /* Tamaño máximo de la imagen */
    width: 100%;
    border-radius: 50%; /* Imagen redonda */
    border: 5px solid rgba(255, 255, 255, 0.1); /* Borde sutil */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.hero-services {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Tres columnas */
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.hero-service-card {
    background-color: var(--card-bg-dark);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hero-service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}
.hero-service-card i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}
.hero-service-card h4 {
    color: var(--text-color-light);
}
.hero-service-card p {
    font-size: 0.9rem;
    color: #bbb;
    margin-bottom: 1rem;
    text-align: center; /* Centrar texto de tarjeta */
}
/* Botón dentro de tarjeta Hero */
.btn {
    display: inline-block;
    padding: 8px 15px;
    border-radius: 5px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
    text-decoration: none !important; /* Asegurar no subrayado */
    border: none;
}
.btn-secondary {
    background-color: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}
.btn-secondary:hover {
    background-color: var(--accent-color);
    color: var(--text-color-light);
    transform: scale(1.05);
}
.hero-cta { /* Botón principal del Hero */
    margin-top: 0; /* Ajustar margen si es necesario */
}


/* --- Estilos Secciones Generales (ajustes menores si son necesarios) --- */
.section {
    padding: 100px 2rem 80px 2rem; min-height: 90vh; /* Reducir min-height si no se necesita tanta altura */
    background-size: cover; background-position: center center; background-attachment: fixed;
    position: relative; display: flex; flex-direction: column; justify-content: center;
    color: var(--text-color-light); text-align: center;
}
.section::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: var(--section-overlay-color); z-index: 1; }
.section-content { position: relative; z-index: 2; max-width: 900px; margin: 0 auto; background-color: rgba(0, 0, 0, 0.65); /* Hacer recuadro un poco más opaco? */ padding: 2rem; border-radius: 8px; }
.section-content p, .section-content ol, .section-content ul { text-align: left; }
.section h2 { color: var(--text-color-light); }
.section h3 { color: var(--text-color-light); text-align: left; }

/* --- Fondos Específicos --- */
#singer-production { background-image: url('images/micro2.jpg'); }
#composition { background-image: url('images/compo.jpg'); }
#engineering { background-image: url('images/rack3.jpg'); }
#about { background-image: url('images/pablo3.jpg'); }
.contact-section { padding: 80px 2rem; min-height: auto; background-attachment: scroll; position: relative; display: flex; flex-direction: column; justify-content: center; text-align: center; background-image: url('images/SSL.jpg'); background-size: cover; background-position: center center; color: var(--text-color-light); }
.contact-section::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); /* Tinte más oscuro para contacto */ z-index: 1; }
.contact-section .section-content { background-color: transparent; padding: 0; position: relative; z-index: 2; }
.contact-section h2 { color: var(--text-color-light); }
.contact-section a { color: var(--text-color-light); font-weight: 600; text-decoration: underline; }
.contact-section a:hover { color: #dddddd; text-decoration: none; }

/* --- Portfolio Examples --- */
.portfolio-examples { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; margin-top: 2rem; margin-bottom: 2.5rem; padding-left: 0; text-align: left; }
.portfolio-item { background-color: rgba(255, 255, 255, 0.1); border-radius: 8px; overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.portfolio-item:hover { transform: translateY(-5px) scale(1.03); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4); }
.portfolio-item img { width: 100%; height: 160px; object-fit: cover; border-bottom: 3px solid var(--accent-color); }
.portfolio-item a { display: block; text-decoration: none; }
.portfolio-item a:hover { text-decoration: none; }

/* --- Botón CTA General --- */
.cta-button { display: inline-block; background-color: var(--accent-color); color: var(--text-color-light); padding: 12px 30px; border: none; border-radius: 5px; font-size: 1.1rem; font-weight: 600; font-family: 'Montserrat', sans-serif; text-transform: uppercase; cursor: pointer; transition: background-color 0.3s ease, transform 0.2s ease; text-decoration: none !important; margin-top: 1rem; }
.cta-button:hover { background-color: var(--accent-color-hover); transform: translateY(-2px) scale(1.03); text-decoration: none; color: var(--text-color-light); }

/* --- Footer --- */
.footer { background-color: var(--primary-color); color: var(--text-color-light); text-align: center; padding: 2rem 1rem; margin-top: 0; }
.footer p { margin-bottom: 0; font-size: 0.9rem; }

/* ============================== */
/* --- RESPONSIVE STYLES --- */
/* ============================== */

/* Tablets y pantallas medianas */
@media (max-width: 992px) {
    :root { --header-height: 65px; }
    html { scroll-padding-top: var(--header-height); }
    .navbar { padding: 0 1.5rem; }
    .navbar .logo { font-size: 1.4rem; }
    .main-nav ul li { margin-left: 1rem; }
    .main-nav ul li a { font-size: 0.95rem; }
    .navbar .nav-cta { padding: 7px 12px; font-size: 0.85rem;}

    /* Hero Section Tablet */
    .hero-section { padding: 100px 1.5rem 60px; text-align: center; }
    .hero-content { flex-direction: column-reverse; /* Imagen arriba, texto abajo */ gap: 2rem; }
    .hero-text { text-align: center; flex-basis: auto; }
    .hero-image-container { flex-basis: auto; margin-bottom: 1rem;}
    .hero-image { max-width: 250px; }
    .hero-services { grid-template-columns: 1fr; /* Una columna para tarjetas de servicio */ }

    /* Otras secciones Tablet */
    .section { padding: 80px 1.5rem 60px 1.5rem; }
    .section-content { max-width: 700px; padding: 1.5rem; }
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2.2rem; }
    h3 { font-size: 1.4rem; }
    .portfolio-examples { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
    .portfolio-item img { height: 140px; }
}

/* Móviles */
@media (max-width: 768px) {
    :root { --header-height: 60px; }
    html { scroll-padding-top: var(--header-height); }

    /* Menú Hamburguesa */
    .menu-toggle { display: block; }
    .main-nav { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background-color: var(--mobile-menu-bg); display: flex; flex-direction: column; justify-content: center; align-items: center; z-index: 1000; opacity: 0; visibility: hidden; transform: translateX(-100%); transition: opacity 0.4s ease, visibility 0s linear 0.4s, transform 0.4s ease-out; }
    .main-nav.active { opacity: 1; visibility: visible; transform: translateX(0); transition: opacity 0.4s ease, visibility 0s linear 0s, transform 0.4s ease-out; }
    .main-nav ul { flex-direction: column; align-items: center; padding: 0; width: 90%;}
    .main-nav ul li { margin-left: 0; margin-bottom: 2rem; width: 100%; text-align: center; }
    .main-nav ul li a { font-size: 1.5rem; padding: 10px 0; border-bottom: none; color: var(--text-color-light); }
    .main-nav ul li a.active { border-bottom-color: transparent; color: var(--accent-color); }
    .main-nav ul li a.nav-cta { display: inline-block; padding: 10px 25px; font-size: 1.2rem; border-radius: 5px; background-color: var(--accent-color); color: var(--text-color-light) !important; margin-top: 1rem; }
    .main-nav ul li a.nav-cta:hover { background-color: var(--accent-color-hover); }

    /* Hero Section Móvil */
    .hero-section { padding: 80px 1rem 50px; min-height: auto;}
    .hero-content { gap: 1.5rem; }
    .hero-text h1 { font-size: 2rem; }
    .hero-text > p { font-size: 1rem; }
    .hero-image { max-width: 200px; }
    .hero-services { gap: 1rem; }
    .hero-service-card { padding: 1rem; }
    .hero-service-card i { font-size: 1.8rem; }
    .hero-service-card h4 { font-size: 1.1rem; }

    /* Otras Secciones Móvil */
    .section { padding: 70px 1rem 50px 1rem; background-attachment: scroll; min-height: auto; }
    .section-content { padding: 1.5rem 1rem; background-color: rgba(0, 0, 0, 0.75); /* Más opaco en móvil */ }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.3rem; }
    p { font-size: 1rem; line-height: 1.6; }
    .portfolio-examples { grid-template-columns: 1fr 1fr; gap: 1rem; }
    .portfolio-item img { height: 130px; }
    .cta-button { padding: 10px 20px; font-size: 1rem; }
    .btn { padding: 6px 12px; font-size: 0.75rem;} /* Botones secundarios más pequeños */
}

/* Móviles Pequeños */
@media (max-width: 480px) {
    .navbar .logo { font-size: 1.2rem; }
    .navbar { padding: 0 1rem; }
    .menu-toggle { font-size: 1.6rem; }

    .hero-text h1 { font-size: 1.8rem; }
    .hero-image { max-width: 180px; }
    .hero-services { grid-template-columns: 1fr; } /* 1 columna */

    h2 { font-size: 1.6rem; }
    h3 { font-size: 1.2rem; }
    .portfolio-examples { grid-template-columns: 1fr; gap: 1.5rem; }
    .portfolio-item img { height: 160px; }
    .main-nav ul li a { font-size: 1.3rem; }
    .main-nav ul li a.nav-cta { font-size: 1rem; padding: 8px 20px; }
}