/* VARIABLES Y RESET BÁSICO */
:root {
    --color-primary: #85e64f; /* Verde Neón, similar al logo */
    --color-secondary: #000000; /* Negro */
    --color-light: #ffffff; /* Blanco */
    --color-dark-text: #333333;
    --font-main: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-main);
    line-height: 1.6;
    background-color: var(--color-light);
    color: var(--color-dark-text);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* TIPOGRAFÍA */
h1, h2, h3 {
    margin-bottom: 1rem;
    font-weight: 700;
}

h1 {
    font-size: 3rem;
    font-weight: 900;
}

h2 {
    font-size: 2rem;
    text-align: center;
    color: var(--color-secondary);
}

p {
    margin-bottom: 1rem;
}

/* BOTONES */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 700;
    transition: background-color 0.3s, color 0.3s;
    margin: 0.5rem 0;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border: 2px solid var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-light);
    color: var(--color-secondary);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-light);
    border: 2px solid var(--color-light);
}

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

.btn-primary-outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-primary-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-secondary);
}

/* HEADER Y NAVEGACIÓN */
.header {
    background-color: var(--color-secondary);
    color: var(--color-light);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ESTILOS DEL LOGO DE IMAGEN */
.logo {
    font-size: 0; 
}

.logo-img {
    height: 40px; 
    width: auto;
    filter: drop-shadow(0 0 5px rgba(133, 230, 79, 0.5)); 
}

.nav-menu a {
    color: var(--color-light);
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

.btn-cta-nav {
    background-color: var(--color-primary);
    color: var(--color-secondary) !important;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.btn-cta-nav:hover {
    background-color: var(--color-light);
}

/* BOTÓN HAMBURGUESA */
.menu-toggle {
    display: none; 
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 10px;
    z-index: 1001; 
}

/* SECCIÓN HERO (PORTADA) */
.hero {
    /* REEMPLAZAR 'placeholder-sound-event.jpg' con tu imagen real */
    background: url('placeholder-sound-event.jpg') no-repeat center center/cover; 
    height: 80vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--color-light);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6); 
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    font-style: italic;
    font-weight: 400;
}

.hero-actions {
    margin: 2rem 0;
}

.tagline {
    font-size: 1rem;
    border-top: 2px solid var(--color-primary);
    display: inline-block;
    padding-top: 10px;
}

/* SECCIONES SECUNDARIAS */
.services, .quality-section, .projects-callout {
    padding: 4rem 0;
    text-align: center;
}

.services .subtitle {
    margin-bottom: 3rem;
    font-size: 1.1rem;
    color: #666;
}

.service-grid {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 2rem;
}

.service-card {
    background-color: #f7f7f7;
    padding: 2rem;
    border-radius: 10px;
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    text-align: center;
    border-bottom: 5px solid var(--color-primary);
}

.service-card i {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

/* SECCIÓN CALIDAD */
.quality-section {
    background-color: var(--color-secondary);
    color: var(--color-light);
    padding: 5rem 0;
}

.quality-box {
    max-width: 800px;
    margin: 0 auto;
}

.quality-box i {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

/* SECCIÓN PROYECTOS LLAMADA */
.projects-callout {
    background-color: #e8e8e8;
}

.projects-callout h2 {
    color: var(--color-secondary);
}

/* FOOTER */
.footer {
    background-color: var(--color-dark-text);
    color: var(--color-light);
    padding-top: 3rem;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    padding-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-info p, .footer-links ul {
    margin-bottom: 0.5rem;
    list-style: none;
}

.footer-links a {
    color: var(--color-light);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-social a {
    color: var(--color-light);
    font-size: 1.5rem;
    margin-right: 1rem;
    transition: color 0.3s;
}

.footer-social a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    background-color: #222;
    text-align: center;
    padding: 1rem 0;
    font-size: 0.8rem;
}

/* ================================================= */
/* MEDIA QUERIES (RESPONSIVO)            */
/* ================================================= */

@media (max-width: 992px) {
    .nav-menu a {
        margin-left: 1rem;
    }
    .hero-content h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    
    /* CABECERA Y NAVEGACIÓN MÓVIL */
    .menu-toggle {
        display: block; /* Muestra el botón hamburguesa */
        order: 2;
    }

    .nav-bar {
        /* Vuelve a ser fila para el logo y el botón hamburguesa */
        flex-direction: row; 
        justify-content: space-between;
    }
    
    .logo-img {
        height: 30px; 
    }
    
    .nav-menu {
        /* Oculta el menú grande por defecto en móviles */
        display: none; 
        position: absolute; 
        top: 60px; 
        left: 0;
        width: 100%;
        background-color: var(--color-secondary); 
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
        z-index: 999;
        padding: 10px 0;
    }

    /* Clase que se activa con JavaScript para mostrar el menú */
    .nav-menu.active {
        display: block; 
    }
    
    .nav-menu a {
        display: block; /* Enlaces ocupan todo el ancho */
        margin: 0;
        padding: 12px 20px;
        text-align: left;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* HERO */
    .hero {
        height: 70vh;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    /* SERVICIOS */
    .service-grid {
        flex-direction: column;
    }
    .service-card {
        width: 100%;
        max-width: none;
    }

    /* FOOTER */
    .footer-grid {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
    .footer-info, .footer-links, .footer-social {
        min-width: unset;
        width: 100%;
        border-bottom: 1px solid #444; 
        padding-bottom: 15px;
    }
    .footer-social a {
        margin: 0 0.5rem;
    }
}