/* ============================================
   InversorHoy — Estilos Globales
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700;900&family=Source+Serif+4:ital,wght@0,300;0,400;0,600;1,400&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* --- Variables / Design Tokens (tema claro por defecto) --- */
:root {
  --color-bg: #F7F9FC;
  --color-bg-secondary: #EEF1F7;
  --color-card: #FFFFFF;
  --color-card-border: #DDE3EE;
  --color-card-hover: #F2F5FB;
  --color-accent: #B8870B;
  --color-accent-dim: #9A7009;
  --color-text: #111928;
  --color-text-secondary: #4B5563;
  --color-text-muted: #9CA3AF;
  --color-positive: #047857;
  --color-negative: #B91C1C;
  --color-divider: #E5E7EB;

  --font-title: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 1px 8px rgba(0,0,0,0.07);
  --transition: 0.2s ease;
  --max-width: 1200px;
}

/* Modo oscuro (opcional, se activa con botón) */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
  transition: background-color var(--transition), color var(--transition);
}

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-dim); }

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

h1, h2, h3, h4, h5 {
  font-family: var(--font-title);
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 600; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }

p { margin-bottom: 1.2rem; }

ul, ol { padding-left: 1.5rem; }
li { margin-bottom: 0.4rem; }

.mono { font-family: var(--font-mono); }

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-accent);
  border-bottom: none;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 900;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.logo span { color: #FFFFFF; }

.logo-icon {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.25);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg { width: 18px; height: 18px; fill: #FFFFFF; }

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  padding: 0;
}

.nav-links a {
  color: rgba(255,255,255,0.82);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-family: var(--font-body);
}

.nav-links a:hover,
.nav-links a.active {
  color: #FFFFFF;
  background: rgba(255,255,255,0.18);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #FFFFFF;
  cursor: pointer;
  font-size: 1.5rem;
}

/* --- Ticker --- */
.ticker-wrap {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-card-border);
  overflow: hidden;
  height: 36px;
  display: flex;
  align-items: center;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  z-index: 999;
}

.ticker-track {
  display: flex;
  align-items: center;
  animation: ticker-scroll 40s linear infinite;
  white-space: nowrap;
  gap: 0;
}

.ticker-wrap:hover .ticker-track { animation-play-state: paused; }

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0 2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-right: 1px solid var(--color-card-border);
}

.ticker-item .t-label { color: var(--color-text-muted); }
.ticker-item .t-price { color: var(--color-text); }
.ticker-item .t-change.up { color: var(--color-positive); }
.ticker-item .t-change.down { color: var(--color-negative); }
.ticker-item .t-change.neutral { color: var(--color-text-secondary); }

/* --- Ticker oculto --- */
.ticker-wrap { display: none !important; }

/* --- Main content offset for fixed header --- */
.page-content { padding-top: 72px; }

/* --- Hero --- */
.hero {
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(240,192,64,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(240,192,64,0.1);
  border: 1px solid rgba(240,192,64,0.3);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  font-family: var(--font-body);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero h1 { margin-bottom: 1.5rem; max-width: 800px; }

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 650px;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #0A0E1A;
}
.btn-primary:hover {
  background: var(--color-accent-dim);
  color: #0A0E1A;
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-card-border);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-sm { padding: 0.5rem 1.2rem; font-size: 0.82rem; }

/* --- Cards --- */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--color-card-border);
  background: var(--color-card-hover);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.asset-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-decoration: none;
  color: var(--color-text);
}

.asset-icon {
  font-size: 2.5rem;
  margin-bottom: 0.25rem;
}

.asset-card h3 {
  font-size: 1.2rem;
  margin: 0;
}

.asset-card p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin: 0;
  flex: 1;
}

.asset-card .card-link {
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.asset-risk {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-body);
}

.risk-low { background: rgba(138,155,176,0.12); color: var(--color-text-secondary); }
.risk-medium { background: rgba(138,155,176,0.12); color: var(--color-text-secondary); }
.risk-high { background: rgba(138,155,176,0.12); color: var(--color-text-secondary); }

/* --- Section titles --- */
.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-family: var(--font-body);
  margin-bottom: 0.75rem;
}

.section-title { margin-bottom: 1rem; }

.section-subtitle {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  margin-bottom: 3rem;
}

/* --- Stat boxes --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin: 3rem 0;
}

.stat-box {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
}

/* --- Tables --- */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead th {
  background: var(--color-card);
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-card-border);
}

tbody td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(30,45,69,0.5);
  color: var(--color-text);
}

tbody tr:hover td { background: var(--color-card-hover); }
tbody tr:last-child td { border-bottom: none; }

td.positive { color: var(--color-positive); font-family: var(--font-mono); }
td.negative { color: var(--color-negative); font-family: var(--font-mono); }
td.mono { font-family: var(--font-mono); }

/* --- FAQ --- */
.faq-list { max-width: 800px; }

.faq-item {
  border-bottom: 1px solid var(--color-divider);
  padding: 1.25rem 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 1rem;
}

.faq-question h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--color-card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
  transition: all var(--transition);
  font-size: 1rem;
  line-height: 1;
}

.faq-item.open .faq-icon { transform: rotate(45deg); border-color: var(--color-accent); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer { max-height: 500px; }

.faq-answer p {
  padding-top: 1rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin: 0;
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.breadcrumbs a { color: var(--color-text-secondary); }
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs .sep { color: var(--color-text-muted); }
.breadcrumbs .current { color: var(--color-text); }

/* --- Page hero (inner pages) --- */
.page-hero {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: 4rem;
}

.page-hero h1 { margin-bottom: 1rem; }
.page-hero .subtitle {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  max-width: 700px;
}

/* --- AdSense placeholders --- */
.adsense-slot {
  width: 100%;
  margin: 1.5rem 0;
}

/* .ad-placeholder oculto hasta activar AdSense — cambiar display:none por display:flex */
.ad-placeholder { display: none; }

.ad-placeholder.banner-728 { height: 90px; max-width: 728px; margin: 0 auto; }
.ad-placeholder.rect-300 { height: 250px; max-width: 300px; }
.ad-placeholder.inline-468 { height: 60px; max-width: 468px; margin: 0 auto; }

/* --- Newsletter --- */
.newsletter-section {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
}

.newsletter-section h3 { margin-bottom: 0.5rem; }
.newsletter-section p { color: var(--color-text-secondary); margin-bottom: 1.5rem; }

.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-form input[type="email"] {
  flex: 1;
  background: var(--color-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition);
}

.newsletter-form input[type="email"]::placeholder { color: var(--color-text-muted); }
.newsletter-form input[type="email"]:focus { outline: none; border-color: var(--color-accent); }

.newsletter-form .honeypot { display: none !important; }

.newsletter-form button { flex-shrink: 0; }

/* --- Related articles --- */
.related-articles { margin-top: 4rem; }
.related-articles h3 { margin-bottom: 1.5rem; }

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.related-card {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  color: var(--color-text);
  transition: all var(--transition);
}

.related-card:hover {
  border-color: var(--color-card-border);
  background: var(--color-card-hover);
  color: var(--color-text);
}

.related-card .tag {
  font-size: 0.72rem;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.related-card h4 { font-size: 0.95rem; line-height: 1.4; }

/* --- Risk disclaimer --- */
.risk-notice {
  background: rgba(255,77,109,0.06);
  border: 1px solid rgba(255,77,109,0.2);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}

.risk-notice p {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.6;
}

.risk-notice strong { color: var(--color-negative); }

/* --- Blog cards --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: var(--color-card-border);
  background: var(--color-card-hover);
}

.blog-card-img {
  height: 180px;
  background: linear-gradient(135deg, var(--color-card-border), var(--color-card));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.blog-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }

.blog-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.blog-meta .cat {
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.blog-card h3 a { color: var(--color-text); }
.blog-card h3 a:hover { color: var(--color-accent); }
.blog-card p { color: var(--color-text-secondary); font-size: 0.88rem; flex: 1; margin-bottom: 1rem; }
.read-time { font-size: 0.78rem; color: var(--color-text-muted); }

/* --- Footer --- */
.site-footer {
  background: var(--color-card);
  border-top: 1px solid var(--color-card-border);
  padding: 4rem 0 2rem;
  margin-top: 6rem;
}

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

.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p { color: var(--color-text-secondary); font-size: 0.88rem; }

.footer-col h5 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  font-family: var(--font-body);
}

.footer-col ul { list-style: none; padding: 0; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a { color: var(--color-text-secondary); font-size: 0.88rem; }
.footer-col ul li a:hover { color: var(--color-accent); }

.footer-bottom {
  border-top: 1px solid var(--color-divider);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { color: var(--color-text-muted); }
.footer-legal a:hover { color: var(--color-accent); }

/* --- Back to top --- */
.back-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--color-accent);
  color: #0A0E1A;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  transition: all var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 900;
}

.back-top.visible { opacity: 1; pointer-events: auto; }
.back-top:hover { background: var(--color-accent-dim); }

/* --- Content article --- */
.article-body { max-width: 800px; }
.article-body h2 { margin: 2.5rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--color-divider); }
.article-body h3 { margin: 2rem 0 0.75rem; }
.article-body ul, .article-body ol { margin-bottom: 1.2rem; }
.article-body li { color: var(--color-text-secondary); }

/* --- Two-column layout --- */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  align-items: start;
}

.sticky-sidebar { position: sticky; top: 120px; }

/* --- Period selector buttons --- */
.period-selector {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.period-btn {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  color: var(--color-text-secondary);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all var(--transition);
}

.period-btn:hover,
.period-btn.active {
  background: rgba(240,192,64,0.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* --- Highlight box --- */
.highlight-box {
  background: rgba(240,192,64,0.06);
  border-left: 3px solid var(--color-accent);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 2rem 0;
}

.highlight-box p { color: var(--color-text-secondary); margin: 0; font-size: 0.95rem; }

/* --- Inline price display --- */
.price-display {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.price-main {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-accent);
}

.price-change {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.price-change.up { color: var(--color-positive); }
.price-change.down { color: var(--color-negative); }

.price-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.price-meta-item .label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.price-meta-item .value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 500;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-accent);
    border-bottom: none;
    padding: 1rem 1.5rem;
    gap: 0.25rem;
    z-index: 999;
  }
  .nav-links.open a { padding: 0.6rem 0; color: rgba(255,255,255,0.9); }
  .menu-toggle { display: flex; align-items: center; }
  .page-content { padding-top: 72px; }
  .section { padding: 3.5rem 0; }
  .hero { padding: 3rem 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .content-with-sidebar { grid-template-columns: 1fr; }
  .sticky-sidebar { position: static; }
  .newsletter-form { flex-direction: column; }
  .price-main { font-size: 2rem; }
  h1 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .price-meta { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}