/* -------------------------------------------------------------
   1. VARIABLES GLOBALES Y SISTEMA DE DISEÑO
------------------------------------------------------------- */
:root {
    /* Paleta de Colores: Obsidian & Gold */
    --bg-color: #0c0c0e;       /* Negro profundo absoluto */
    --surface: #16161a;        /* Gris superficie para tarjetas y bloques */
    --border-color: #242428;   /* Líneas de división sutiles */
    --text-primary: #f5f5f7;   /* Blanco premium (Apple style) */
    --text-muted: #9e9eaf;     /* Gris para metadatos y descripciones */
    --accent: #cbd5e1;         /* Blanco plata para acentos */
    --gold-accent: #d4af37;    /* Oro viejo para etiquetas selectas */
    
    /* Tipografías Cohesivas */
    --font-serif: "Georgia", "Times New Roman", serif; /* Para el alma académica */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; /* Para la UI */
    
    /* Maquetación */
    --max-width: 1140px;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-color);
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

img {
    max-width: 100%;
    display: block;
    height: auto;
}

/* Clases de Maquetación Global */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.main-content {
    padding-top: 120px; /* Previene que el Header tape el contenido */
    min-height: 80vh;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 400;
    letter-spacing: 1px;
    margin-bottom: 2.5rem;
    position: relative;
}

/* Animación de entrada suave */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* -------------------------------------------------------------
   3. COMPONENTES COMPARTIDOS (HEADER & FOOTER)
------------------------------------------------------------- */
.site-header {
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(12, 12, 14, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.site-logo {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    letter-spacing: 0.5px;
}

.logo-title {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 3px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

/* Menú hamburguesa (Mobile) */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.menu-toggle .bar {
    width: 22px;
    height: 1.5px;
    background-color: var(--text-primary);
    transition: var(--transition-smooth);
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border-color);
    margin-top: 8rem;
    padding: 4rem 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-socials {
    display: flex;
    gap: 2rem;
}

.social-link:hover {
    color: var(--text-primary);
}

/* -------------------------------------------------------------
   4. PÁGINA DE INICIO (INDEX.HTML)
------------------------------------------------------------- */
.hero-section {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    padding-bottom: 6rem;
    animation: fadeIn 0.8s ease forwards;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: 3.2rem;
    line-height: 1.15;
    font-weight: 400;
    margin-bottom: 2rem;
}

.hero-subtext {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.cta-button {
    display: inline-block;
    border: 1px solid var(--text-primary);
    padding: 0.9rem 2.2rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.cta-button:hover {
    background-color: var(--text-primary);
    color: var(--bg-color);
}

.hero-img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    filter: grayscale(20%);
    border: 1px solid var(--border-color);
}

/* Grilla de Destacados */
.featured-section {
    padding: 6rem 0;
    border-top: 1px solid var(--border-color);
}

.featured-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.project-card {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: #38383f;
}

.card-media img {
    width: 100%;
    height: 260px;
    object-fit: cover;
}

.card-content {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-category {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gold-accent);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.project-card h3 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 400;
    margin-bottom: 1rem;
}

.project-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2.5rem;
}

.card-actions {
    margin-top: auto;
}

/* -------------------------------------------------------------
   5. PÁGINA DE CATÁLOGO (CATALOGO.HTML)
------------------------------------------------------------- */
.catalog-header-section {
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
    animation: fadeIn 0.6s ease forwards;
}

.catalog-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.catalog-intro {
    color: var(--text-muted);
    max-width: 750px;
    font-size: 1.05rem;
    margin-bottom: 3rem;
}

.filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.5rem 1.2rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover, .filter-btn.active {
    border-color: var(--text-primary);
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.03);
}

.catalog-list-section {
    padding: 4rem 0;
}

.catalog-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.work-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    animation: fadeIn 0.5s ease forwards;
    transition: var(--transition-smooth);
}

.work-item:hover {
    border-color: #38383f;
}

.work-meta {
    padding: 2.5rem;
    background-color: rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
}

.work-year {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--text-primary);
}

.work-duration {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.work-details {
    padding: 2.5rem;
}

.work-tag {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gold-accent);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.work-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 400;
    margin-bottom: 0.25rem;
}

.work-instrumentation {
    font-size: 0.95rem;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

.work-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.work-assets {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.asset-link {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
}

.asset-link.pdf { color: #f87171; }
.asset-link.audio { color: #60a5fa; }
.asset-link.video { color: #4ade80; }

.asset-link:hover {
    border-color: currentColor;
}

/* -------------------------------------------------------------
   6. PÁGINA DE BIOGRAFÍA (BIOGRAFIA.HTML)
------------------------------------------------------------- */
.bio-hero {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    padding-bottom: 4rem;
    animation: fadeIn 0.6s ease forwards;
}

.bio-intro h1 {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.bio-portrait img {
    width: 100%;
    border: 1px solid var(--border-color);
    filter: grayscale(15%);
}

.bio-text {
    max-width: 800px;
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 6rem;
}

.bio-text p {
    margin-bottom: 1.5rem;
}

/* Timeline/Cronología */
.timeline-section {
    padding: 6rem 0;
    border-top: 1px solid var(--border-color);
}

.timeline {
    border-left: 1px solid var(--border-color);
    padding-left: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
    max-width: 800px;
}

.timeline-item {
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.9rem;
    top: 6px;
    width: 10px;
    height: 10px;
    background: var(--text-primary);
    border-radius: 50%;
}

.year {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timeline-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Descargas de Prensa */
.press-kit {
    padding: 6rem 0;
    border-top: 1px solid var(--border-color);
}

.press-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.press-card {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    text-align: center;
}

.press-card:hover {
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

.press-card span {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* -------------------------------------------------------------
   7. RESPONSIVIDAD (MOBILE & TABLETS)
------------------------------------------------------------- */
@media (max-width: 992px) {
    .hero-section, .bio-hero {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .hero-img, .bio-portrait img {
        height: 400px;
        max-width: 500px;
        margin: 0 auto;
    }
    .hero-headline { font-size: 2.6rem; }
}

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

    .site-navigation {
        display: none;
        position: absolute;
        top: 90px;
        left: 0;
        width: 100%;
        background-color: var(--bg-color);
        border-bottom: 1px solid var(--border-color);
        padding: 3rem 2rem;
    }

    .site-navigation.nav-open {
        display: block;
        animation: fadeIn 0.3s ease;
    }

    .nav-list {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
    }

    .featured-grid {
        grid-template-columns: 1fr;
    }

    .work-item {
        grid-template-columns: 1fr;
    }

    .work-meta {
        flex-direction: row;
        justify-content: space-between;
        padding: 1.5rem 2rem;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .footer-container {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
}