/* Estilo aproximado a Holder Capitals: claro, corporativo, secciones bien definidas */
:root {
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --accent: #0ea5e9;
  --accent-dark: #0284c7;
  --accent-soft: rgba(14, 165, 233, 0.08);
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

/* Hero tipo Holder Capitals */
.header {
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.header h1 {
  margin: 0;
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.subtitle {
  margin: 0.5rem 0 0;
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.header-ctas {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}
.header-ctas a {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
}
.header-ctas a:hover {
  background: var(--accent-dark);
}

/* Nav clara */
.nav {
  background: var(--surface);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.nav .container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
}
.nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.35rem 0;
}
.nav a:hover {
  color: var(--accent);
}

.main {
  padding: 2rem 0;
}

.section {
  padding: 2.5rem 0;
}
.section.alt {
  background: var(--bg-alt);
}
.section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}
.lead {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  font-size: 1rem;
}

/* Tarjetas KPI */
.kpi-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.25rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.card-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.card-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}
.card-meta {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* Gráficos */
.chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
@media (max-width: 900px) {
  .chart-row {
    grid-template-columns: 1fr;
  }
}
.chart-wrap {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.chart-wrap h3 {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
}
.chart-funnel {
  max-width: 640px;
}

.escenario-selector {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.escenario-selector label {
  font-weight: 500;
  color: var(--text);
}
.escenario-selector select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 700px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}
.panel {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.panel h3 {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}
.persona-list {
  margin: 0;
  padding-left: 1.25rem;
}
.persona-list li {
  margin-bottom: 0.75rem;
}

.tabla-wrap {
  overflow-x: auto;
  margin-top: 1rem;
}
.tabla-canales {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.tabla-canales th,
.tabla-canales td {
  padding: 0.65rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.tabla-canales th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.tabla-canales tr:hover td {
  background: var(--accent-soft);
}

.embudo-leyenda {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.simulador-form {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
.form-group input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  font-size: 1rem;
}
.form-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.simulador-resultado {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.25rem;
  border: 1px solid var(--border);
  font-size: 0.95rem;
  box-shadow: var(--shadow);
}

.recomendaciones-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.rec-item {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--accent);
  border: 1px solid var(--border);
  border-left-width: 4px;
  box-shadow: var(--shadow);
}
.rec-item.alta {
  border-left-color: var(--danger);
}
.rec-item.media {
  border-left-color: var(--warning);
}
.rec-item.baja {
  border-left-color: var(--success);
}
.rec-item h4 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}
.rec-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.accion-list,
.riesgos-list {
  padding-left: 1.25rem;
}
.accion-list li,
.riesgos-list li {
  margin-bottom: 0.5rem;
}
#accion h3 {
  margin: 2rem 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 600;
}

.metodologia {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.fuentes-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.fuentes-list a {
  color: var(--accent);
  font-weight: 500;
}
.fuentes-list a:hover {
  text-decoration: underline;
}
.fuentes-list span {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.mix-recomendacion {
  margin-top: 1rem;
}
.mix-recomendacion h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.leaderboard-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-bottom: 1rem;
  align-items: center;
}
.leaderboard-metodologia-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  box-shadow: var(--shadow);
}
.chart-leaderboard {
  max-height: 420px;
}
.tabla-leaderboard .badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}
.tabla-leaderboard .badge.alta { background: rgba(5, 150, 105, 0.15); color: var(--success); }
.tabla-leaderboard .badge.media { background: rgba(217, 119, 6, 0.15); color: var(--warning); }
.tabla-leaderboard .badge.baja { background: rgba(100, 116, 139, 0.2); color: var(--text-muted); }
.tabla-leaderboard .badge.sin_dato_suficiente { background: rgba(220, 38, 38, 0.1); color: var(--danger); }

@media (max-width: 900px) {
  .container { padding: 0 1rem; }
  .header { padding: 2rem 0; }
  .header h1 { font-size: 1.55rem; }
  .subtitle { font-size: 0.95rem; }
  .section { padding: 2rem 0; }
  .chart-wrap { padding: 1.1rem; }
}

@media (max-width: 700px) {
  .header-ctas { justify-content: flex-start; }
  .header-ctas a { font-size: 0.85rem; padding: 0.45rem 0.8rem; }
  .nav .container {
    flex-wrap: nowrap;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.2rem;
  }
  .nav .container::-webkit-scrollbar { height: 6px; }
  .nav .container::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 6px; }
  .nav a { display: inline-block; font-size: 0.85rem; }
  .section h2 { font-size: 1.25rem; }
  .lead { font-size: 0.92rem; }
  .kpi-cards { grid-template-columns: 1fr; }
  .simulador-form { grid-template-columns: 1fr; }
  .tabla-canales { min-width: 760px; }
  .tabla-canales th, .tabla-canales td { padding: 0.55rem 0.6rem; font-size: 0.82rem; }
  .leaderboard-filters { flex-direction: column; align-items: stretch; gap: 0.4rem; }
  .escenario-selector { margin-bottom: 0.4rem; }
  .escenario-selector select { width: 100%; }
}

@media (max-width: 480px) {
  .container { padding: 0 0.75rem; }
  .header h1 { font-size: 1.35rem; }
  .card { padding: 1rem; }
  .card-value { font-size: 1.3rem; }
  .chart-wrap h3 { font-size: 0.92rem; }
}

.footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-alt);
}