/*
Theme Name: Finanzas Personales Pro
Theme URI: https://tudominio.es
Author: Tu Nombre
Description: Tema optimizado para blog de finanzas personales con zonas estratégicas para AdSense, SEO optimizado y diseño editorial profesional.
Version: 1.0
License: GNU General Public License v2 or later
Text Domain: finanzas-pro
Tags: blog, finance, adsense, seo, responsive
*/

/* =============================================
   VARIABLES Y RESET
   ============================================= */
:root {
  --color-primary: #1a3a5c;
  --color-primary-dark: #0f2540;
  --color-accent: #e8a020;
  --color-accent-light: #fdf3e0;
  --color-bg: #f7f8fa;
  --color-surface: #ffffff;
  --color-text: #1c1e21;
  --color-text-muted: #5a6370;
  --color-border: #e2e6ea;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-ui: 'DM Sans', system-ui, sans-serif;
  --radius: 6px;
  --radius-lg: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.10);
  --max-width: 1140px;
  --content-width: 740px;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 1.0625rem;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-accent); }

/* =============================================
   TIPOGRAFÍA
   ============================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary-dark);
  line-height: 1.25;
  font-weight: 700;
}
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1.25rem; }

/* =============================================
   LAYOUT PRINCIPAL
   ============================================= */
.site-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.content-area {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
  padding: 40px 0;
}

@media (max-width: 900px) {
  .content-area { grid-template-columns: 1fr; }
  .sidebar { order: 2; }
}

/* =============================================
   CABECERA
   ============================================= */
.site-header {
  background: var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 20px;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}
.site-logo span { color: var(--color-accent); }
.site-logo:hover { color: #fff; }

.site-tagline {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  font-style: italic;
}

/* NAV */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  padding: 6px 14px;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
}
.main-nav a:hover,
.main-nav a.active {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

.nav-cta {
  background: var(--color-accent) !important;
  color: var(--color-primary-dark) !important;
  font-weight: 700 !important;
}
.nav-cta:hover { background: #d4911c !important; }

/* Hamburger mobile */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: #fff;
  font-size: 1.5rem;
}
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--color-primary-dark);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { width: 100%; }
}

/* =============================================
   BANNER HERO (página principal)
   ============================================= */
.hero-banner {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #1e5080 100%);
  padding: 60px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-banner::before {
  content: '';
  position: absolute;
  top: -50%; left: -20%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(232,160,32,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-banner h1 {
  color: #fff;
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 16px;
}
.hero-banner h1 span { color: var(--color-accent); }
.hero-banner p {
  color: rgba(255,255,255,0.8);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 28px;
}
.hero-cta {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 50px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,160,32,0.4);
  color: var(--color-primary-dark);
}

/* =============================================
   ZONA ANUNCIO ADSENSE — POSICIONES ESTRATÉGICAS
   ============================================= */
.ad-zone {
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin: 24px 0;
  overflow: hidden;
}
.ad-zone-label {
  display: block;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Anuncio horizontal (728x90 o responsive) */
.ad-leaderboard { min-height: 90px; }
/* Anuncio cuadrado/rectángulo sidebar (300x250) */
.ad-sidebar-box { min-height: 250px; }
/* Anuncio in-article (responsive) */
.ad-in-article { min-height: 280px; }

/* =============================================
   TARJETAS DE ARTÍCULO
   ============================================= */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.post-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.post-card-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--color-primary);
}
.post-card-thumb-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2a6098 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.post-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-category {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 10px;
}

.post-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  line-height: 1.35;
}
.post-card h3 a { color: var(--color-primary-dark); }
.post-card h3 a:hover { color: var(--color-accent); }

.post-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.post-meta {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 12px;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 14px;
  transition: gap 0.2s;
}
.read-more:hover { gap: 10px; color: var(--color-accent); }

/* =============================================
   ARTÍCULO INDIVIDUAL (SINGLE POST)
   ============================================= */
.article-header {
  max-width: var(--content-width);
  margin: 0 auto 32px;
}

.article-category-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-family: var(--font-ui);
  font-size: 0.8rem;
}

.article-content {
  max-width: var(--content-width);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.article-content h2 {
  margin: 2rem 0 1rem;
  padding-top: 1rem;
  border-top: 2px solid var(--color-accent-light);
}
.article-content h3 { margin: 1.5rem 0 0.75rem; }
.article-content ul, .article-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}
.article-content li { margin-bottom: 0.5rem; }

/* Recuadro destacado dentro del artículo */
.highlight-box {
  background: var(--color-accent-light);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 22px;
  margin: 28px 0;
  font-size: 0.95rem;
}
.highlight-box strong { color: var(--color-primary-dark); }

/* Tabla comparativa */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.comparison-table th {
  background: var(--color-primary);
  color: #fff;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
}
.comparison-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--color-border);
}
.comparison-table tr:nth-child(even) td { background: var(--color-bg); }
.comparison-table tr:last-child td { border-bottom: none; }
.table-check { color: #16a34a; font-weight: 700; }
.table-cross { color: #dc2626; font-weight: 700; }

/* =============================================
   SIDEBAR
   ============================================= */
.sidebar { position: sticky; top: 80px; }

.widget {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.widget-title {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

/* Widget calculadora rápida */
.calc-widget label {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
}
.calc-widget input[type="number"] {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.95rem;
  margin-bottom: 14px;
  transition: border-color 0.2s;
}
.calc-widget input[type="number"]:focus {
  outline: none;
  border-color: var(--color-primary);
}
.btn-calc {
  width: 100%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 11px;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-calc:hover { background: var(--color-primary-dark); }
.calc-result {
  margin-top: 14px;
  background: var(--color-accent-light);
  border-radius: var(--radius);
  padding: 12px;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  display: none;
}
.calc-result.show { display: block; }
.calc-result strong {
  font-size: 1.4rem;
  color: var(--color-primary-dark);
  display: block;
}

/* Post recientes sidebar */
.recent-posts li {
  list-style: none;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
  line-height: 1.45;
}
.recent-posts li:last-child { border-bottom: none; }
.recent-posts a { color: var(--color-text); font-weight: 500; }
.recent-posts a:hover { color: var(--color-primary); }
.recent-post-date {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 3px;
}

/* =============================================
   PIE DE PÁGINA
   ============================================= */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  margin-top: 60px;
}

.footer-top {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 20px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
}

.footer-brand .site-logo { font-size: 1.3rem; color: #fff; }
.footer-brand p {
  font-size: 0.875rem;
  margin-top: 12px;
  line-height: 1.65;
}

.footer-col h4 {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--color-accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px 20px;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-legal a {
  color: rgba(255,255,255,0.5);
  margin-left: 16px;
  font-size: 0.78rem;
}
.footer-legal a:hover { color: rgba(255,255,255,0.9); }

/* =============================================
   PAGINACIÓN
   ============================================= */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 40px 0;
}
.pagination a, .pagination span {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  padding: 8px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: var(--color-surface);
  transition: all 0.2s;
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination .current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* =============================================
   UTILIDADES
   ============================================= */
.section-title {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.section-heading {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin-bottom: 24px;
  color: var(--color-primary-dark);
}
.divider {
  width: 48px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
  margin: 12px 0 28px;
}

/* Badge destacado */
.badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 9px;
  border-radius: 50px;
}
.badge-new { background: #dcfce7; color: #15803d; }
.badge-popular { background: #fef9c3; color: #854d0e; }
.badge-top { background: #fee2e2; color: #991b1b; }

/* Newsletter */
.newsletter-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1e5080 100%);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
  color: #fff;
  margin: 48px 0;
}
.newsletter-box h3 { color: #fff; margin-bottom: 10px; }
.newsletter-box p { color: rgba(255,255,255,0.8); font-size: 0.95rem; margin-bottom: 20px; }
.newsletter-form { display: flex; gap: 10px; max-width: 440px; margin: 0 auto; }
.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: none;
  font-family: var(--font-ui);
  font-size: 0.9rem;
}
.newsletter-form input:focus { outline: 2px solid var(--color-accent); }
.newsletter-form button {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  border: none;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}
.newsletter-form button:hover { background: #d4911c; }
@media (max-width: 480px) {
  .newsletter-form { flex-direction: column; }
}

/* Breadcrumb */
.breadcrumb {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding: 12px 0;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { opacity: 0.4; }

/* Responsive global */
@media (max-width: 600px) {
  .posts-grid { grid-template-columns: 1fr; }
  .hero-banner { padding: 40px 16px; }
}