/* --- 1. IMPORTAR FUENTES --- */
@import url('https://fonts.googleapis.com/css2?family=Urbanist:wght@400&display=swap');
@font-face {
    font-family: 'TangoSans';
    src: url('../fonts/TangoSans_Bold.ttf') format('ttf'),
         url('../fonts/TangoSans_Bold.ttf') format('ttf');
    font-weight: 700; 
    font-style: normal;
}

/* --- 2. VARIABLES DE COLOR (TEMA) --- */
/* (Tus variables de color no cambian) */
:root {
    --naranja-atardecer: #E29E53;
    --marron-oscuro-base: #4C2D1F;
    --marron-medio-base: #7C4A34;
    --amarillo-sol-base: #F1BA6B;
    --blanco-hueso-base: #FDFBF7;
    --negro-suave-base: #1a1a1a;
}
[data-theme="light"] {
    --color-text-primary: var(--negro-suave-base);
    --color-text-secondary: #666;
    --color-text-inverted: var(--blanco-hueso-base);
    --color-text-accent: var(--marron-medio-base);
    --color-text-logo: var(--marron-oscuro-base);
    --color-text-social-icon: var(--blanco-hueso-base);
    --color-bg-body: var(--blanco-hueso-base);
    --color-bg-header: var(--blanco-hueso-base);
    --color-bg-card: #fff;
    --color-bg-card-alt: #f7f7f7;
    --color-bg-footer: var(--marron-oscuro-base);
    --color-bg-hero: var(--marron-oscuro-base);
    --color-bg-social-icon: var(--marron-medio-base);
    --color-border-header: #f0f0f0;
    --color-border-form: var(--marron-medio-base);
    --color-border-divider: var(--marron-medio-base);
    --color-brand-accent: var(--amarillo-sol-base);
    --color-brand-primary: var(--naranja-atardecer);
}
[data-theme="dark"] {
    --color-text-primary: #fff;
    --color-text-secondary: #aaa;
    --color-text-inverted: var(--blanco-hueso-base);
    --color-text-accent: #fff; 
    --color-text-logo: #fff;
    --color-text-social-icon: var(--negro-suave-base);
    --color-bg-body: var(--negro-suave-base);
    --color-bg-header: #222;
    --color-bg-card: #2a2a2a;
    --color-bg-card-alt: #2c2c2c;
    --color-bg-footer: #111;
    --color-bg-hero: #222;
    --color-bg-social-icon: #fff;
    --color-border-header: #333;
    --color-border-form: #fff; 
    --color-border-divider: #fff;
    --color-brand-accent: #fff; 
    --color-brand-primary: #fff; 
}


/* --- 3. RESETEO BÁSICO Y SCROLL SUAVE --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- 4. ESTILOS GENERALES Y FUENTES --- */
body {
    font-family: 'Urbanist', sans-serif;
    font-weight: 400;
    background-color: var(--color-bg-body);
    color: var(--color-text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}
h1, h2, h3, .logo, .main-nav a, .cta-button, .section-title {
    font-family: 'TangoSans', sans-serif;
    font-weight: 700;
}
.main-nav a{
    font-family: 'TangoSans', sans-serif;
    font-weight: 700;
    font-size: 18px;
}

/* --- 5. HEADER (CABECERA) --- */
.site-header {
    background-color: var(--color-bg-header);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--color-border-header);
    position: sticky;
    top: 0;
    z-index: 100;
    /* CAMBIO: Se añade la transición para ocultar */
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.4s ease;
}
.logo {
    font-size: 2rem; 
    color: var(--color-text-logo);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.logo-image {
    height: 70px; 
    width: auto;
}
.main-nav a {
    color: var(--color-text-accent);
    text-decoration: none;
    transition: color 0.3s ease;
}
.main-nav a:hover {
    color: var(--color-brand-primary);
}

/* --- 6. SECCIÓN PRINCIPAL (HERO SLIDER) --- */
#hero-slider-container {
    position: relative; 
    min-height: 70vh; 
    overflow: hidden; 
    background-color: var(--color-bg-hero); 
    transition: background-color 0.3s ease;
}
/* (El resto de la sección 6 no cambia) */
.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    z-index: 1;
}
.hero-slide.is-active {
    opacity: 1;
    z-index: 2;
}
.hero-slide-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); 
    padding: 2rem;
    position: relative; 
    z-index: 3;
}
.hero-slide-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}
.hero-slide-content p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    font-family: 'Urbanist', sans-serif;
}
.cta-button {
    background-color: var(--color-brand-accent);
    color: var(--marron-oscuro-base);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}
.cta-button:hover {
    transform: scale(1.05);
    background-color: #ffc978; 
}
[data-theme="dark"] .cta-button:hover {
    background-color: #ccc; 
    color: var(--negro-suave-base);
}
.slide-general { background-image: url('../images/kino.jpg'); }
.slide-song-1 { background-image: url('../images/extraviadas-ep.jpg'); }
.slide-song-2 { background-image: url('../images/porclaveel16.jpg'); }
.slide-song-3 { background-image: url('../images/yanometireswhatsapp-single.jpg'); }
.slide-general .hero-slide-content { color: #FFF; }
.slide-song-1 .hero-slide-content { color: #FFF; }
.slide-song-2 .hero-slide-content { color: #FFF; }
.slide-song-3 .hero-slide-content { color: #FFF; }

/* --- 7. CONTENEDOR GENERAL Y TÍTULOS DE SECCIÓN --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--color-text-primary);
}
#artistas.container {
    border-radius: 20px;
    transition: background-color 0.3s ease;
    margin-bottom: 4rem;
}

/* --- 8. GRID DE LANZAMIENTOS Y ARTISTAS --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}
.grid-item {
    background-color: var(--color-bg-card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 15px rgba(0,0,0,0.05);
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit; 
}
.grid-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0,0,0,0.1);
}
.grid-item img {
    width: 100%;
    height: 250px; 
    object-fit: cover; 
    display: block;
}
.item-info {
    padding: 1.5rem;
}
.item-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}
.item-info p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-family: 'Urbanist', sans-serif;
}

/* --- 9. FOOTER INTEGRADO CON CONTACTO --- */
.site-footer {
    background-color: var(--color-bg-footer);
    color: var(--color-text-inverted); 
    transition: background-color 0.3s ease, color 0.3s ease;
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
    display: grid;
    grid-template-columns: 2fr 1fr; 
    gap: 3rem;
}
.footer-form .section-title {
    color: var(--color-text-inverted); 
    text-align: left;
    margin-bottom: 2rem;
}
#contactForm {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
#contactForm label {
    font-family: 'TangoSans', sans-serif;
    font-size: 1.2rem;
    color: var(--color-text-inverted); 
    margin-bottom: -1rem;
}
.form-input {
    width: 100%;
    padding: 1rem;
    border-radius: 10px;
    border: 2px solid var(--color-border-form);
    background: none;
    font-family: 'Urbanist', sans-serif;
    font-size: 1rem;
    color: var(--color-text-inverted);
}
.form-input:focus {
    outline: none;
    border-color: var(--color-brand-accent);
}
#contactForm .cta-button {
    width: 100%;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
}
/* CAMBIO: Se actualizó el ID */
#formMessage {
    text-align: center;
    font-size: 1rem;
    font-weight: bold;
    margin-top: 1rem;
    /* El color se aplica directamente desde JS */
}

.footer-details h3 {
    font-family: 'TangoSans', sans-serif;
    font-size: 1.8rem;
    color: var(--color-text-inverted); 
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-border-form);
}
.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
}
.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;  
    height: 44px;
    text-decoration: none;
    color: var(--color-text-social-icon);
    background-color: var(--color-bg-social-icon);
    border-radius: 50%;
    transition: all 0.3s ease;
}
.social-links a:hover {
    background-color: var(--color-brand-accent);
    color: var(--marron-oscuro-base);
    transform: scale(1.1);
}
[data-theme="dark"] .social-links a:hover {
    background-color: #ccc; 
}
.social-links svg {
    width: 20px;
    height: 20px;
}
.whatsapp-contact {
    margin-top: 1rem;
}
.whatsapp-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem; 
    background-color: var(--color-brand-accent);
    color: var(--marron-oscuro-base);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-family: 'TangoSans', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}
.whatsapp-button:hover {
    background-color: var(--color-bg-body); 
    color: var(--color-text-primary);
    transform: scale(1.05);
}
.footer-copyright {
    text-align: center;
    padding: 1.5rem;
    border-top: 1px solid var(--color-border-divider);
    font-family: 'Urbanist', sans-serif;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* --- 10. ESTILOS PARA MÓVIL (MENÚ RESPONSIVO) --- */
.menu-toggle-button {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}
.menu-toggle-button .line {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text-logo);
    margin: 5px 0;
    transition: all 0.3s ease;
}
.menu-toggle-button.is-active .line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle-button.is-active .line:nth-child(2) {
    opacity: 0;
}
.menu-toggle-button.is-active .line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- 12. BOTÓN DE TEMA (DARK MODE) --- */
.theme-toggle-button {
    background: none;
    border: 2px solid var(--color-text-accent);
    color: var(--color-text-accent);
    border-radius: 50px;
    cursor: pointer;
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
.theme-toggle-button:hover {
    color: var(--color-brand-primary);
    border-color: var(--color-brand-primary);
}
[data-theme="dark"] .theme-toggle-button:hover {
    color: #999;
    border-color: #999;
}
[data-theme="light"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }

/* --- 13. NUEVA SECCIÓN: HEADER OCULTABLE --- */
.site-header.oculto {
    /* Mueve el header hacia arriba (fuera de la pantalla) */
    transform: translateY(-100%);
}


@media (max-width: 768px) {
    
    .menu-toggle-button {
        display: block;
    }

    .main-nav {
        margin-right: 0; 
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-bg-body);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transform: translateY(-100%);
        transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1), background-color 0.3s ease;
        z-index: 1000;
    }
    .main-nav.is-active {
        transform: translateY(0);
    }
    .main-nav a {
        margin: 1.5rem 0;
        font-size: 2rem;
        color: var(--color-text-primary);
    }
    .theme-toggle-button {
        margin-top: 1.5rem; 
    }

    .logo {
        font-size: 0.9rem;
    }
    .logo-image {
        height: 55px;
    }
    
    #hero-slider-container {
        min-height: 60vh;
    }
    .hero-slide-content h1 {
        font-size: 2rem;
    }
    .hero-slide-content p {
        font-size: 1rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr; 
        padding-top: 3rem;
    }
    .footer-form .section-title {
        text-align: center; 
    }
    .footer-details {
        text-align: center; 
    }
    .footer-details h3 {
        border-bottom: none; 
    }
    .social-links {
        justify-content: center; 
    }
    .whatsapp-contact {
        display: flex;
        justify-content: center;
    }
}

@media (min-width: 769px) {
    .main-nav {
        margin-right: 0; 
        display: flex; 
        align-items: center;
        gap: 1.5rem; 
    }
    .main-nav a {
        margin-left: 0; 
    }
    .menu-toggle-button {
        display: none;
    }
}