/* =========================================================
   SISTEMA DE DISEÑO EXCLUSIVO NICHO-TOOLS (FRONTEND DESIGN ENGINE)
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@500;600;700;800&family=DM+Sans:wght@400;500;600&display=swap');

/* Identidad Visual Generada con Frontend Design Engine */
:root {
  --color-primary: #c21d03;
  --color-primary-hover: #fd5732;
  --color-secondary: #ffb787;
  --color-accent: #f97316;
  --color-bg: #fafaf9;
  --color-surface: #ffffff;
  --color-text: #1c1917;
  --color-text-muted: #57534e;
  --color-border: #e7e5e4;
  
  --font-headline: 'Outfit', system-ui, sans-serif;
  --font-heading: 'Outfit', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  
  --radius-card: 10px;
  --radius-button: 8px;
  --shadow-card: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-hover: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);

  --layout-id: 'sidebar_dashboard';
  /* Variables personalizadas añadidas por el usuario: */
  --primary-100:#c21d03;
  --primary-200:#fd5732;
  --primary-300:#ffb787;
  --accent-100:#393939;
  --accent-200:#bebebe;
  --text-100:#232121;
  --text-200:#4b4848;
  --bg-100:#fbfbfb;
  --bg-200:#f1f1f1;
  --bg-300:#c8c8c8;
}


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

body {
  font-family: var(--font-body, 'Inter', sans-serif);
  background-color: var(--color-bg, #f8fafc);
  color: var(--color-text, #0f172a);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary, #0284c7);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.site-header {
  background: var(--color-surface, #ffffff);
  border-bottom: 1px solid var(--color-border, #e2e8f0);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}
.logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading, sans-serif);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text, #0f172a);
}
.logo-icon {
  color: var(--color-primary, #0284c7);
}
.main-nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}
.main-nav a {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-muted, #64748b);
}
.main-nav a:hover {
  color: var(--color-primary, #0284c7);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 3rem 0 2rem 0;
  text-align: center;
}
.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  background: var(--color-primary-light, #e0f2fe);
  color: var(--color-primary, #0284c7);
  border-radius: var(--radius-sm, 4px);
  margin-bottom: 1rem;
}
.hero-title {
  font-family: var(--font-heading, sans-serif);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-text, #0f172a);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted, #64748b);
  max-width: 650px;
  margin: 0 auto;
}

/* Calculadora Wrapper */
.calculator-card {
  background: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-lg, 12px);
  box-shadow: var(--shadow-md, 0 4px 6px -1px rgba(0,0,0,0.1));
  padding: 2rem;
  margin: 2rem 0;
}

/* CTA Banner (Sergio Canales) */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary, #0284c7), var(--color-accent, #0369a1));
  color: #ffffff;
  padding: 2rem;
  border-radius: var(--radius-md, 8px);
  margin: 2.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}
@media (min-width: 768px) {
  .cta-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
.cta-badge {
  background: rgba(255,255,255,0.2);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm, 4px);
  display: inline-block;
  margin-bottom: 0.5rem;
}
.cta-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.cta-desc {
  font-size: 0.95rem;
  opacity: 0.9;
  max-width: 600px;
}
.cta-action-btn {
  background: #ffffff !important;
  color: var(--color-primary, #0284c7) !important;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm, 6px);
  white-space: nowrap;
}

/* Guías Grid */
.guides-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}
@media (min-width: 768px) {
  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .guides-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.guide-card {
  background: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-md, 8px);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s, box-shadow 0.2s;
}
.guide-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md, 0 4px 6px -1px rgba(0,0,0,0.1));
}
.guide-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text, #0f172a);
  margin: 0.5rem 0;
}
.guide-summary {
  font-size: 0.9rem;
  color: var(--color-text-muted, #64748b);
  line-height: 1.5;
  margin-bottom: 1rem;
}

/* Editorial Content & Tables */
.editorial-section {
  margin: 3.5rem 0 2rem 0;
  line-height: 1.8;
  color: var(--color-text, #0f172a);
}
.editorial-section h2 {
  font-family: var(--font-heading, sans-serif);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-text, #0f172a);
  margin: 2.5rem 0 1rem 0;
  line-height: 1.3;
}
.editorial-section h3 {
  font-family: var(--font-heading, sans-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text, #0f172a);
  margin: 1.75rem 0 0.75rem 0;
}
.editorial-section p {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  color: var(--color-text, #334155);
}
.editorial-section ul, .editorial-section ol {
  margin: 1rem 0 1.5rem 1.5rem;
  font-size: 1.02rem;
  color: var(--color-text, #334155);
}
.editorial-section li {
  margin-bottom: 0.5rem;
}
.lead {
  font-size: 1.15rem !important;
  color: var(--color-text, #1e293b) !important;
  font-weight: 500;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.callout-box {
  background: var(--color-surface, #ffffff);
  border-left: 4px solid var(--color-primary, #0284c7);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md, 8px) var(--radius-md, 8px) 0;
  margin: 2rem 0;
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,0.05));
  border-top: 1px solid var(--color-border, #e2e8f0);
  border-right: 1px solid var(--color-border, #e2e8f0);
  border-bottom: 1px solid var(--color-border, #e2e8f0);
}
.callout-box h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary, #0284c7);
  margin-bottom: 0.5rem;
}
.formula-box {
  background: #f1f5f9;
  border: 1px dashed #cbd5e1;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm, 6px);
  font-family: monospace;
  font-size: 1.1rem;
  color: #0f172a;
  margin: 1.5rem 0;
  text-align: center;
}
.table-responsive {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: var(--radius-md, 8px);
  border: 1px solid var(--color-border, #e2e8f0);
}
.editorial-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
  background: var(--color-surface, #ffffff);
}
.editorial-table th {
  background: #f8fafc;
  color: var(--color-text, #0f172a);
  font-weight: 700;
  padding: 0.85rem 1rem;
  border-bottom: 2px solid var(--color-border, #e2e8f0);
}
.editorial-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border, #e2e8f0);
  color: #334155;
}
.editorial-table tr:last-child td {
  border-bottom: none;
}
.editorial-table tr:hover td {
  background: #f8fafc;
}
.status-valid {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: #dcfce7;
  color: #15803d;
  font-weight: 700;
  font-size: 0.8rem;
  border-radius: 4px;
}
.status-invalid {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: #fee2e2;
  color: #b91c1c;
  font-weight: 700;
  font-size: 0.8rem;
  border-radius: 4px;
}
.faq-container {
  margin: 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.faq-item {
  background: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-md, 8px);
  padding: 1.25rem 1.5rem;
}
.faq-question {
  font-size: 1.1rem !important;
  font-weight: 700 !important;
  color: var(--color-text, #0f172a) !important;
  margin: 0 0 0.5rem 0 !important;
}
.faq-answer p {
  font-size: 0.95rem !important;
  color: #475569 !important;
  margin-bottom: 0 !important;
}

/* Footer */
.site-footer {
  background: var(--color-surface, #ffffff);
  border-top: 1px solid var(--color-border, #e2e8f0);
  margin-top: auto;
  padding: 3rem 0 1.5rem 0;
  font-size: 0.85rem;
  color: var(--color-text-muted, #64748b);
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 2fr 1fr;
  }
}
.legal-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.footer-bottom {
  border-top: 1px solid var(--color-border, #e2e8f0);
  padding-top: 1.5rem;
  font-size: 0.8rem;
}

/* Reglas Estructurales Específicas del Arquetipo de Layout Frontend Design */

/* LAYOUT: SIDEBAR DASHBOARD */
.layout-sidebar-dashboard .dashboard-layout-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin: 2rem 0;
  align-items: start;
}
@media (min-width: 960px) {
  .layout-sidebar-dashboard .dashboard-layout-container {
    grid-template-columns: 320px 1fr;
    gap: 2.5rem;
  }
  .layout-sidebar-dashboard .dashboard-sidebar-inner {
    position: sticky;
    top: 5.5rem;
  }
}
.layout-sidebar-dashboard .dashboard-sidebar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}
.layout-sidebar-dashboard .dashboard-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  margin: 0.75rem 0 0.5rem 0;
  line-height: 1.25;
}
.layout-sidebar-dashboard .dashboard-lead {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}
.layout-sidebar-dashboard .dashboard-meta-box {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.25rem;
}
.layout-sidebar-dashboard .meta-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.82rem;
}
.layout-sidebar-dashboard .meta-item strong {
  display: block;
  color: var(--color-text);
  font-size: 0.85rem;
}
.layout-sidebar-dashboard .meta-item span {
  color: var(--color-text-muted);
  font-size: 0.78rem;
}
.layout-sidebar-dashboard .meta-icon {
  font-size: 1.1rem;
}
.layout-sidebar-dashboard .dashboard-quick-links {
  font-size: 0.82rem;
}
.layout-sidebar-dashboard .quick-links-title {
  display: block;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}
.layout-sidebar-dashboard .dashboard-quick-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.layout-sidebar-dashboard .dashboard-quick-links a {
  color: var(--color-primary);
  font-weight: 600;
}