/* ==============================================
   EDITORIAL PURUHÁ - HOJA DE ESTILOS (ACTUALIZADA)
============================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600&family=Playfair+Display:ital,wght@0,400;0,700;1,400&display=swap');

:root {
    /* Paleta extraída del logotipo oficial */
    --color-bg-rubio: #ede8d0;
    /* Fondo claro apergaminado principal */
    --color-text-black: #181818;
    /* Texto oscuro principal */
    --color-accent-blue: #163650;
    /* Azul Oscuro "Editorial" (#163650) */
    --color-accent-gold: #b38e4a;
    /* Dorado/Bronce "PURUHA" (#b38e4a) */
    --color-white: #f6f4e8;
    /* Blanco roto / Crema claro */
    --color-gray: #5c6267;
    /* Gris neutro para subtítulos y textos sec. */

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;

    --transition-speed: 0.3s;
    --max-width: 1200px;
}

/* ==============================================
   RESET & BASE
============================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-rubio);
    color: var(--color-text-black);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
    padding-top: 75px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: 1rem;
}

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

a:hover,
a.active {
    color: var(--color-accent-gold);
}

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

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-padding {
    padding: 5rem 0;
}

/* ==============================================
   HEADER & LOGO REESTRUCTURADO
============================================== */
header {
    background-color: var(--color-white);
    padding: 0.5rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: background-color var(--transition-speed), padding var(--transition-speed);
}

header.scrolled {
    padding: 0.4rem 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

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

/* Estilo para el Logo en Imagen */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 32px;
    /* Reducido para encajar proporcionalmente en la barra */
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-speed) ease;
}

.logo-img:hover {
    transform: scale(1.03);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-item>a {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.5rem 0;
    color: var(--color-accent-blue);
}

.nav-item>a:hover,
.nav-item>a.active {
    color: var(--color-accent-gold);
}

/* Menú Desplegable en Escritorio */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background-color: var(--color-white);
    min-width: 220px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) ease;
    padding: 0.75rem 0;
    border-top: 3px solid var(--color-accent-gold);
    border-radius: 0 0 6px 6px;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 0.6rem 1.5rem;
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-text-black);
}

.dropdown-menu li a:hover {
    background-color: rgba(179, 142, 74, 0.1);
    color: var(--color-accent-blue);
    padding-left: 1.8rem;
}

/* Botón Hamburguesa Móvil */
.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.6rem;
    color: var(--color-accent-blue);
    transition: color var(--transition-speed);
}

.menu-toggle:hover {
    color: var(--color-accent-gold);
}

/* ==========================================================================
   Efecto Swiper 3D Coverflow
   ========================================================================== */
.editorial-books {
    background-color: var(--color-bg-rubio);
    padding-top: 40px;
    padding-bottom: 15px;
    position: relative;
    overflow: hidden;
}

.swiper.swiper-books-3d {
    width: 100%;
    padding-top: 20px;
    padding-bottom: 60px;
    position: relative;
}

.swiper.swiper-books-3d .swiper-slide.book-card-item {
    height: 380px !important;
    width: 270px !important;
    background-color: var(--color-white);
    border: 1px solid rgba(24, 24, 24, 0.05);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(24, 24, 24, 0.08);
    display: block !important;
    padding: 0 !important;
    overflow: hidden !important;
    cursor: pointer !important;
    transition: transform 0.4s, box-shadow 0.4s;
}

.swiper.swiper-books-3d .swiper-slide.book-card-item:hover {
    transform: translateY(-8px) !important;
    box-shadow: 0 15px 35px rgba(22, 54, 80, 0.25) !important;
}

.book-card-img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    pointer-events: none;
}

.btn.btn-solid {
    background-color: var(--color-accent-blue);
    color: var(--color-white);
    border: 1px solid var(--color-accent-blue);
}

.btn.btn-solid:hover {
    background-color: var(--color-accent-gold);
    border-color: var(--color-accent-gold);
    color: var(--color-white);
}

.swiper-button-prev,
.swiper-button-next {
    color: var(--color-accent-blue) !important;
    background: rgba(255, 255, 255, 0.9);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.swiper-pagination-bullet-active {
    background: var(--color-accent-gold) !important;
}

/* ==============================================
   SECCIONES ADICIONALES
============================================== */
.about-editorial-section {
    padding: 80px 0;
    background-color: var(--color-white);
    border-top: 1px solid rgba(24, 24, 24, 0.05);
}

.about-container {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-subtitle {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent-gold);
    display: block;
    margin-bottom: 0.75rem;
}

.about-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    color: var(--color-accent-blue);
    margin-bottom: 1.5rem;
}

.about-divider {
    width: 60px;
    height: 3px;
    background-color: var(--color-accent-gold);
    margin: 0 auto 2.5rem;
}

.about-text {
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-gray);
    margin-bottom: 1.5rem;
}

.about-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.btn-about {
    display: inline-block;
    padding: 1rem 2rem;
    border: 1px solid var(--color-accent-blue);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    background: transparent;
    color: var(--color-accent-blue);
    border-radius: 4px;
    transition: all var(--transition-speed);
}

.btn-about:hover {
    background-color: var(--color-accent-blue);
    color: var(--color-white);
}

.btn-about-accent {
    border-color: var(--color-accent-gold);
    color: var(--color-accent-gold);
}

.btn-about-accent:hover {
    background-color: var(--color-accent-gold);
    color: var(--color-white);
}

.editorial-stats-section {
    background-color: var(--color-bg-rubio);
    padding: 60px 0;
    border-top: 1px solid rgba(24, 24, 24, 0.05);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-card {
    background-color: var(--color-white);
    padding: 2.5rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(24, 24, 24, 0.04);
    border: 1px solid rgba(24, 24, 24, 0.02);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(22, 54, 80, 0.12);
}

.stat-icon {
    font-size: 2.5rem;
    color: var(--color-accent-gold);
    margin-bottom: 1rem;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-accent-blue);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gray);
}

/* ==============================================
   MISIÓN, VISIÓN Y EDITOR
============================================== */
.mission-vision-section {
    background-color: var(--color-accent-blue);
    color: var(--color-white);
    padding: 70px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2.5rem;
    align-items: stretch;
}

.mv-stacked-column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mv-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--color-accent-gold);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.mv-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(179, 142, 74, 0.3);
}

.mv-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.mv-icon {
    font-size: 1.8rem;
    color: var(--color-accent-gold);
}

.mv-card h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-accent-blue);
    margin-bottom: 0;
}

.mv-divider {
    width: 50px;
    height: 2px;
    background-color: var(--color-accent-gold);
    margin-bottom: 1.2rem;
}

.mv-card p {
    font-family: var(--font-body);
    font-size: 0.98rem;
    line-height: 1.8;
    color: var(--color-gray);
    text-align: justify;
}

.editor-card {
    position: relative;
    background-color: var(--color-white);
    width: 100%;
    min-height: 520px;
    height: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.editor-overlay-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2.5rem 1.8rem 1.8rem 1.8rem;
    background: linear-gradient(to top, rgba(22, 54, 80, 0.95) 0%, rgba(22, 54, 80, 0.5) 70%, transparent 100%);
    color: var(--color-white);
}

.editor-role {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-accent-gold);
    margin-bottom: 0.4rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
    background-color: #0f2436;
    /* Versión más oscura del azul del logo */
    color: var(--color-bg-rubio);
    padding: 40px 0 30px;
    border-top: 1px solid rgba(237, 232, 208, 0.1);
    font-family: var(--font-body);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
    margin-bottom: 15px;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 0.8rem;
}

.footer-logo-img {
    height: 45px;
    width: auto;
}

.footer-tagline {
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 0.95rem;
    color: var(--color-accent-gold);
    margin-bottom: 0.8rem;
}

.footer-description {
    font-size: 0.88rem;
    line-height: 1.7;
    color: #a39b8e;
    margin-bottom: 1.5rem;
}

.footer-socials a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(237, 232, 208, 0.08);
    color: var(--color-white);
    font-size: 0.9rem;
    transition: all var(--transition-speed) ease;
}

.footer-socials a:hover {
    background-color: var(--color-accent-gold);
    color: var(--color-accent-blue);
    transform: translateY(-3px);
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-white);
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 35px;
    height: 2px;
    background-color: var(--color-accent-gold);
}

.footer-links a i,
.footer-contact-info i {
    color: var(--color-accent-gold);
}

.footer-license {
    margin-top: 1.5rem;
    padding: 0.8rem 1rem;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    border-left: 3px solid var(--color-accent-gold);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.78rem;
    color: #a39b8e;
}

/* ==========================================================================
   DISEÑO RESPONSIVO MÓVIL
   ========================================================================== */
@media (max-width: 768px) {
    .logo-img {
        height: 26px;
        /* Tamaño optimizado para pantallas táctiles y móviles */
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 1.5rem 2rem 1.5rem;
        box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
        transition: right 0.4s cubic-bezier(0.25, 1, 0.5, 1);
        z-index: 999;
    }

    .nav-links.active {
        right: 0;
    }
}