/* ===== RUNNEXIA DESIGN SYSTEM ===== */
:root {
  --dark:              #1C1C1E;
  --dark-light:        #2C2C2E;
  --dark-hover:        #3A3A3C;
  --color-primary:     #1B4FDB;
  --color-primary-dark:#1340B8;
  --color-primary-light:#e8eef9;
  --color-primary-hl:  #4B8BFF;
  --color-accent:      #E8571A;
  --color-accent-dark: #C94910;
  --color-success:     #00A650;
  --bg-primary:        #ffffff;
  --bg-secondary:      #f5f6f8;
  --bg-tertiary:       #f0f1f4;
  --text-primary:      #0f1823;
  --text-secondary:    #525c6e;
  --text-muted:        #9198a8;
  --text-white:        #ffffff;
  --border-light:      #e2e4ea;
  --border-medium:     #c8cdd8;
  --shadow-sm:         0 1px 4px rgba(0,0,0,0.06);
  --shadow-md:         0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:         0 8px 32px rgba(0,0,0,0.14);
  --font-heading:      'Barlow Condensed', sans-serif;
  --font-body:         'Barlow', sans-serif;
  --radius:            3px;
  --radius-md:         5px;
  --radius-lg:         6px;
  --max-width:         1320px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Blindaje anti-Astra: cada page wrapper establece su propia paleta
   para que selectores de Astra (.ast-*, etc.) no puedan heredar colores incorrectos */
.rl-single-page,
.rl-comparador-page,
.rl-archive-page,
.rl-calc-page {
  color: var(--text-primary);
  background: var(--bg-primary);
}

/* Secciones oscuras: el texto debe ser siempre blanco dentro del hero oscuro */
.rl-product-hero,
.rl-comparador-hero,
.rl-archive-hero,
.rl-calc-hero,
.rl-carrera-hero,
[class*="-hero"][style*="background:var(--dark)"] {
  color: #fff;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }

/* Layout */
.rl-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) { .rl-container { padding: 0 16px; } }

/* Tipografía */
.rl-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.rl-section-title {
  font-family: var(--font-heading);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.rl-section-title em {
  font-style: normal;
  color: var(--color-primary-hl);
}

/* Botones */
.rl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: none;
  transition: background 0.15s, transform 0.1s;
  white-space: nowrap;
}
.rl-btn:active { transform: scale(0.98); }
.rl-btn-primary  { background: var(--color-primary); color: #fff; }
.rl-btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.rl-btn-accent   { background: var(--color-accent); color: #fff; }
.rl-btn-accent:hover  { background: var(--color-accent-dark); color: #fff; }
.rl-btn-success  { background: var(--color-success); color: #fff; }
.rl-btn-outline  { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.rl-btn-outline:hover { background: var(--color-primary); color: #fff; }
.rl-btn-dark     { background: var(--dark); color: #fff; }
.rl-btn-lg { padding: 14px 28px; font-size: 16px; }
.rl-btn-sm { padding: 7px 14px; font-size: 12px; }

/* Badges */
.rl-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.rl-badge-primary { background: var(--color-primary-light); color: var(--color-primary); }
.rl-badge-accent  { background: #ffeee8; color: var(--color-accent); }
.rl-badge-dark    { background: var(--dark); color: #fff; }
.rl-badge-success { background: #e6f7ef; color: var(--color-success); }
.rl-badge-top     { background: var(--color-primary); color: #fff; }
.rl-badge-hot     { background: #C0392B; color: #fff; }
.rl-badge-nicho   { background: #7c3aed; color: #fff; }

/* Cards base */
.rl-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}
.rl-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Precio */
.rl-price {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-accent);
}
.rl-price-original {
  text-decoration: line-through;
  color: var(--text-muted);
  font-size: 0.85em;
}

/* Rating stars */
.rl-stars { color: #f59e0b; letter-spacing: 1px; }

/* Grid helpers */
.rl-grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.rl-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.rl-grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }

@media (max-width: 1024px) {
  .rl-grid-4 { grid-template-columns: repeat(2,1fr); }
  .rl-grid-3 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 600px) {
  .rl-grid-4, .rl-grid-3, .rl-grid-2 { grid-template-columns: 1fr; }
}

/* Section spacing */
.rl-section { padding: 64px 0; }
@media (max-width: 768px) { .rl-section { padding: 40px 0; } }

/* Breadcrumb */
.rl-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  flex-wrap: wrap;
}
.rl-breadcrumb a { color: rgba(255,255,255,0.55); }
.rl-breadcrumb a:hover { color: #fff; }
.rl-breadcrumb .sep { opacity: 0.4; }

/* Utilities */
.rl-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.rl-text-accent  { color: var(--color-accent); }
.rl-text-primary { color: var(--color-primary); }
.rl-text-muted   { color: var(--text-muted); }
.rl-fw-700 { font-weight: 700; }
.rl-uppercase { text-transform: uppercase; }
.rl-condensed { font-family: var(--font-heading); }