/* 
   Tema Editorial Luminoso (Light Editorial Magazine) - ArlibrosCMS
   Especialmente diseñado para Libros Más Libres (librosmaslibres.com)
   Zero-DB, 100% Vanilla CSS, Alta Legibilidad y Micro-interacciones
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Merriweather:ital,wght@0,300;0,400;0,700;1,300;1,400&display=swap');

:root {
    --bg-main: #faf8f5;
    --bg-secondary: #f4eee3;
    --text-main: #1c1917;
    --text-muted: #57534e;
    --color-primary: #1e3a5f;
    --color-primary-hover: #152942;
    --accent-color: #2b5876;
    --accent-hover: #1f3f56;
    --warm-accent: #c2410c;
    --header-bg: rgba(250, 248, 245, 0.96);
    --border-color: #e5dfd3;
    --card-bg: #ffffff;
    --card-bg-hover: #ffffff;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-heading: 'Merriweather', Georgia, serif;
    --radius-sm: 6px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 6px rgba(44, 39, 36, 0.04);
    --shadow-md: 0 8px 24px rgba(44, 39, 36, 0.07);
    --shadow-lg: 0 16px 40px rgba(44, 39, 36, 0.1);
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    background-color: var(--bg-main) !important;
    color: var(--text-main) !important;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.theme-header {
    position: sticky;
    top: 0;
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.theme-header-container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0.9rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.theme-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.25rem;
}

.theme-logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--color-primary);
    color: #ffffff;
    border-radius: var(--radius-sm);
}

.brand-title {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
    color: var(--text-main);
}

.theme-nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.theme-nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

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

.nav-cta-btn {
    display: inline-flex !important;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    background: rgba(30, 58, 95, 0.08);
    color: var(--color-primary) !important;
    border-radius: var(--radius-sm);
    font-weight: 600 !important;
    transition: all 0.2s ease;
}

.nav-cta-btn:hover {
    background: rgba(30, 58, 95, 0.16);
    transform: translateY(-1px);
}

/* Hero Section Luminoso */
.hero-light-section {
    padding: 4.5rem 0 4rem;
    background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-color);
}

.hero-split-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: center;
}

@media (max-width: 920px) {
    .hero-split-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(30, 58, 95, 0.08);
    color: var(--color-primary);
    border: 1px solid rgba(30, 58, 95, 0.16);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.hero-main-title {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 4.5vw, 3.6rem);
    line-height: 1.15;
    color: var(--text-main);
    margin: 0 0 1.25rem 0;
    letter-spacing: -0.03em;
}

.hero-lead-text {
    font-size: clamp(1.15rem, 2vw, 1.35rem);
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0 0 2rem 0;
    max-width: 580px;
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: var(--border-color);
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--card-bg);
}

.hero-featured-photo {
    width: 100%;
    height: 440px;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-image-wrapper:hover .hero-featured-photo {
    transform: scale(1.03);
}

.floating-community-badge {
    position: absolute;
    bottom: 1.25rem;
    left: 1.25rem;
    right: 1.25rem;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0.9rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
    display: flex;
    align-items: center;
    gap: 0.9rem;
    color: #1e293b;
}

.floating-community-badge strong {
    display: block;
    font-size: 0.95rem;
    color: #0f172a;
}

.floating-community-badge span {
    font-size: 0.8rem;
    color: #64748b;
}

.badge-avatar-group {
    width: 38px;
    height: 38px;
    background: var(--color-primary);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Botones */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff !important;
    box-shadow: 0 4px 14px rgba(30, 58, 95, 0.2);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 58, 95, 0.3);
}

.btn-secondary {
    background-color: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* Sección Manifiesto */
.manifesto-light-section {
    padding: 5rem 0;
    background: var(--bg-main);
}

.manifesto-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3.5rem 2.5rem;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.section-kicker {
    display: block;
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.manifesto-lead {
    font-family: var(--font-heading);
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    color: var(--text-main);
    line-height: 1.35;
    margin: 0 0 2.75rem 0;
    max-width: 820px;
    margin-left: auto;
    margin-right: auto;
}

.manifesto-pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2.75rem;
    text-align: left;
}

.pillar-card {
    background: var(--bg-main);
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.pillar-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.pillar-icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(30, 58, 95, 0.09);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
}

.pillar-card h3 {
    margin: 0 0 0.6rem 0;
    font-size: 1.2rem;
    color: var(--text-main);
    font-family: var(--font-heading);
}

.pillar-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.manifesto-footer-action {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.editorial-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    font-size: 1.05rem;
    transition: gap 0.2s ease;
}

.editorial-link:hover {
    gap: 0.75rem;
    text-decoration: underline;
}

/* Sección Artículos & Recorridos */
.articles-light-section {
    padding: 4.5rem 0 5.5rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    margin: 0 0 0.5rem 0;
    color: var(--text-main);
    line-height: 1.25;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin: 0;
}

.articles-magazine-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2.25rem;
}

.magazine-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.magazine-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-thumb-wrap {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.card-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.magazine-card:hover .card-thumb-img {
    transform: scale(1.05);
}

.card-cat-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.card-body-content {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-meta-bar {
    margin-bottom: 0.75rem;
}

.reading-time-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.card-headline {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    line-height: 1.35;
    margin: 0 0 0.75rem 0;
}

.card-headline a {
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.2s ease;
}

.card-headline a:hover {
    color: var(--color-primary);
}

.card-paragraph {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0 0 1.5rem 0;
    flex-grow: 1;
}

.card-action-row {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: auto;
}

.read-action-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    transition: gap 0.2s ease;
}

.read-action-link:hover {
    gap: 0.65rem;
}

/* Sección Comunidad & Club */
.community-highlight-section {
    padding: 5rem 0;
    background: var(--bg-main);
}

.community-split-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

@media (max-width: 850px) {
    .community-split-card {
        grid-template-columns: 1fr;
    }
}

.community-image-side {
    height: 100%;
    min-height: 380px;
}

.community-image-side img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.community-text-side {
    padding: 3.5rem;
}

@media (max-width: 600px) {
    .community-text-side {
        padding: 2rem 1.5rem;
    }
}

.community-title {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 2.5vw, 2.1rem);
    line-height: 1.25;
    margin: 0.5rem 0 1rem 0;
    color: var(--text-main);
}

.community-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
    margin: 0 0 1.75rem 0;
}

.community-features-list {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    margin-bottom: 2rem;
}

.feature-bullet {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    color: var(--text-main);
    font-size: 0.95rem;
}

.feature-bullet svg {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

/* Newsletter "La Pausa" */
.newsletter-light-section {
    padding: 3rem 0 5rem;
    background: var(--bg-main);
}

.newsletter-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3.5rem 2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.newsletter-icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(30, 58, 95, 0.09);
    color: var(--color-primary);
    border-radius: 50%;
    margin-bottom: 1.25rem;
}

.newsletter-heading {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 2.5vw, 1.9rem);
    margin: 0 0 0.75rem 0;
    color: var(--text-main);
}

.newsletter-sub {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

.newsletter-inline-form {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    max-width: 520px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.newsletter-inline-form input {
    flex: 1 1 260px;
    padding: 0.85rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    color: var(--text-main);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.newsletter-inline-form input:focus {
    border-color: var(--color-primary);
}

/* Single Article Styling */
.single-article-section {
    background: var(--bg-main);
}

.single-article-section .lead {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--text-main);
    font-weight: 500;
    margin-bottom: 2rem;
    border-left: 3px solid var(--color-primary);
    padding-left: 1.25rem;
}

.single-article-section h2 {
    font-family: var(--font-heading);
    font-size: 1.65rem;
    margin: 2.75rem 0 1rem 0;
    color: var(--text-main);
}

.manifesto-quote {
    background: rgba(30, 58, 95, 0.06);
    border-left: 4px solid var(--color-primary);
    margin: 2.5rem 0;
    padding: 1.75rem 2rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-style: italic;
    color: var(--text-main);
    line-height: 1.6;
}

.route-timeline {
    margin: 2.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.route-step {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.step-number {
    display: inline-block;
    padding: 3px 10px;
    background: var(--color-primary);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.step-meta {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.club-prompt-box, .practical-tips-box, .cta-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    margin: 2.5rem 0;
    box-shadow: var(--shadow-sm);
}

.club-prompt-box h3, .practical-tips-box h3, .cta-box h3 {
    margin-top: 0;
    font-size: 1.25rem;
    color: var(--text-main);
    font-family: var(--font-heading);
}

.practical-tips-box ul {
    padding-left: 1.25rem;
    margin: 1rem 0 0 0;
}

.practical-tips-box li {
    margin-bottom: 0.75rem;
}

/* Footer */
.theme-footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 4.5rem 0 2rem;
    color: var(--text-muted);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3.5rem;
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 0.85rem;
}

.footer-tagline {
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    max-width: 420px;
}

.footer-links-col h4 {
    color: var(--text-main);
    font-size: 0.95rem;
    margin: 0 0 1.25rem 0;
    font-family: var(--font-heading);
}

.footer-links-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links-col li {
    margin-bottom: 0.65rem;
}

.footer-links-col a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 1.75rem;
    text-align: center;
    font-size: 0.85rem;
}

/* Micro-interacciones */
.fade-in-up-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-up-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}