/* ==========================================================================
   Naria: Estilos - Teatro de Sombras (Mobile-First) — v2 Premium
   ========================================================================== */

:root {
    --bg-deep-black: #0b0b0b;
    --bg-deep-black-soft: #161616;
    --card-bg: #151515;
    --text-main: #e0e0e0;
    --text-muted: #aaaaaa;
    --accent-glow: #d18e36;
    --accent-glow-light: #f0c274;
    --border-color: #2a2a2a;

    --font-main: 'Quicksand', sans-serif;
    --font-display: 'Cormorant Garamond', serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

.shadow-theatre-body {
    font-family: var(--font-main);
    background-color: var(--bg-deep-black);
    background-image: radial-gradient(ellipse at top, var(--bg-deep-black-soft) 0%, var(--bg-deep-black) 60%);
    color: var(--text-main);
    line-height: 1.7;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-top: 60px;
    padding-bottom: 60px;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

.container-fluid {
    width: 100%;
}

/* --- Marco de Proscenio (Teatro de Sombras) --- */
.proscenium-frame {
    position: fixed;
    left: 0;
    width: 100%;
    height: 40px;
    background-color: var(--bg-deep-black);
    z-index: 1000;
    background-image:
        linear-gradient(45deg, var(--accent-glow) 25%, transparent 25%),
        linear-gradient(-45deg, var(--accent-glow) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--accent-glow) 75%),
        linear-gradient(-45deg, transparent 75%, var(--accent-glow) 75%);
    background-size: 20px 20px;
    opacity: 0.85;
}

.proscenium-frame.top { top: 0; border-bottom: 2px solid var(--accent-glow); }
.proscenium-frame.bottom { bottom: 0; border-top: 2px solid var(--accent-glow); }

/* --- Header --- */
.main-header {
    padding: 2rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

@media(min-width: 768px) {
    .main-header {
        flex-direction: row;
        justify-content: space-between;
    }
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-link {
    display: inline-block;
    line-height: 0;
}

.logo-img {
    height: 42px;
    width: auto;
    object-fit: contain;
    display: block;
    border-radius: 4px;
}

.site-subtitle {
    font-family: var(--font-main);
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    color: var(--accent-glow);
    text-transform: uppercase;
    font-weight: 600;
}

/* --- Bloque de colaboración (logo Citlali) --- */
.logo-area {
    flex-wrap: wrap;
    justify-content: center;
}

.collab-area {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding-left: 1rem;
    margin-left: 0.5rem;
    border-left: 1px solid var(--border-color);
}

.collab-text {
    font-family: var(--font-main);
    font-size: 0.7rem;
    font-style: italic;
    color: var(--text-muted);
    white-space: nowrap;
}

.collab-logo-link {
    display: block;
    line-height: 0;
    transition: opacity 0.3s ease;
}

.collab-logo-link:hover {
    opacity: 0.8;
}

.collab-logo {
    height: 30px;
    width: auto;
    object-fit: contain;
    display: block;
}

.footer-link {
    color: var(--accent-glow);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--accent-glow-light);
    text-decoration: underline;
}

@media (max-width: 480px) {
    .collab-area {
        border-left: none;
        margin-left: 0;
        padding-left: 0;
        width: 100%;
        justify-content: center;
        margin-top: 0.5rem;
    }
}

/* Contenedor de nav + selector de idioma */
.header-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

@media(min-width: 768px) {
    .header-right {
        flex-direction: row;
        gap: 2rem;
    }
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.main-nav a {
    position: relative;
    font-family: var(--font-main);
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
    padding-bottom: 2px;
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: var(--accent-glow);
    transition: width 0.3s ease;
}

.main-nav a:hover {
    color: var(--accent-glow);
}

.main-nav a:hover::after {
    width: 100%;
}

/* --- Selector de idioma --- */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-main);
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.lang-switch .lang-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.3s ease;
    padding-bottom: 2px;
    border-bottom: 1px solid transparent;
}

.lang-switch .lang-link:hover {
    color: #ffffff;
}

.lang-switch .lang-link.active {
    color: var(--accent-glow);
    border-bottom: 1px solid var(--accent-glow);
}

.lang-switch .lang-sep {
    color: var(--border-color);
}

/* --- Hero Section con la imagen header.jpg y título arriba (cielo oscuro) --- */
.hero-shadow {
    position: relative;
    background-image: url('../../images/header.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 4rem 1rem 12rem 1rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

.hero-shadow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to bottom, rgba(11,11,11,0.85) 0%, rgba(11,11,11,0) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-shadow h1 {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 600;
    letter-spacing: 0.01em;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0,0,0,0.9);
}

.hero-content h1::after {
    content: '';
    display: block;
    width: 70px;
    height: 2px;
    background: var(--accent-glow);
    margin: 1.75rem auto 0;
    opacity: 0.85;
}

/* --- Sección de Descripción Editorial (Debajo de la imagen) --- */
.intro-description-section {
    padding: 3rem 1rem;
    text-align: center;
    max-width: 800px;
    border-bottom: 1px solid var(--border-color);
    margin: 0 auto;
}

.intro-description {
    font-family: var(--font-main);
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* --- Catálogo de Cuentos --- */
.catalog-section {
    padding: 4rem 0 2rem 0;
}

.catalog-section h2 {
    font-family: var(--font-display);
    text-align: center;
    font-size: clamp(2.2rem, 4vw, 2.8rem);
    margin-bottom: 3rem;
    color: #ffffff;
    letter-spacing: 0.03em;
    font-weight: 600;
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
}

.book-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.book-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-glow);
    box-shadow: 0 16px 40px rgba(0,0,0,0.6), 0 0 0 1px rgba(209,142,54,0.15);
}

.book-cover-wrapper {
    width: 100%;
    max-height: 350px;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.book-cover {
    width: 100%;
    height: auto;
    max-height: 350px;
    object-fit: contain;
    display: block;
    transition: transform 0.5s ease;
}

.book-card:hover .book-cover {
    transform: scale(1.03);
}

.book-details {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.book-details h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 0.3rem;
    color: #ffffff;
    font-weight: 600;
}

.book-author {
    font-family: var(--font-main);
    font-size: 0.9rem;
    color: var(--accent-glow);
    margin-bottom: 1rem;
    font-weight: 600;
}

.book-synopsis {
    font-family: var(--font-main);
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.book-price {
    font-family: var(--font-main);
    font-size: 1.3rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.paypal-button-wrapper {
    margin-top: auto;
}

/* --- Botón de compra (Hotmart) --- */
.hotmart-buy-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-glow-light), var(--accent-glow));
    color: #0b0b0b;
    font-family: var(--font-main);
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    padding: 0.75em 2.2em;
    border-radius: 6px;
    margin-top: 0.5em;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-size: 0.85rem;
    box-shadow: 0 4px 14px rgba(209,142,54,0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.hotmart-buy-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(209,142,54,0.4);
    background: linear-gradient(135deg, #f5cd8c, var(--accent-glow-light));
}

/* --- Footer --- */
.main-footer {
    text-align: center;
    padding: 3rem 0 1rem;
    font-family: var(--font-main);
    font-size: 0.85rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
    font-weight: 600;
}