/* ============================================================
   ROOT & RESET
   ============================================================ */
:root {
  --accent:        #d4f210;
  --accent-dark:   #2bb8a8;
  --accent-glow:   rgba(212, 242, 16, 0.18);
  --bg-dark:       #0b0f14;
  --bg-dark2:      #101820;
  --bg-card:       #f9fbfb;
  --text-light:    #1a2a2a;
  --text-muted:    #4a6060;
  --text-body:     #3a5050;
  --white:         #ffffff;
  --border:        rgba(212, 242, 16, 0.22);
  --border-accent: rgba(212, 242, 16, 0.28);
  --radius-sm:     8px;
  --radius-md:     14px;
  --radius-lg:     22px;
  --transition:    0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

html, body {
  background: #ffffff;
  min-height: 100vh;
}

body {
  font-family: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-body);
  line-height: 1.65;
  overflow-x: hidden;
}

/* ============================================================
   SECCIÓN PRINCIPAL #venta
   ============================================================ */
#venta {
  padding: 110px 24px 100px;
  background: #ffffff;
  position: relative;
  overflow: hidden;
  color: var(--text-light);
}

/* Glow radial de fondo muy suave */
#venta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 80% 50% at top center,
    rgba(212, 242, 16, 0.07),
    transparent 65%
  );
  pointer-events: none;
}

/* Línea decorativa lateral izquierda */
#venta::after {
  content: "";
  position: absolute;
  left: 0;
  top: 15%;
  height: 70%;
  width: 2px;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(212, 242, 16, 0.45),
    transparent
  );
}

/* ============================================================
   CONTENEDOR
   ============================================================ */
#venta .venta-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ============================================================
   HEADER
   ============================================================ */
#venta .venta-header {
  text-align: center;
  margin-bottom: 64px;
}

/* Label superior */
#venta .venta-header span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #1a8a7a;
  margin-bottom: 16px;
}
#venta .venta-header span::before,
#venta .venta-header span::after {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: #1a8a7a;
  opacity: 0.45;
}

/* Título */
#venta .venta-header h2 {
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 800;
  color: #1a2a2a;
  letter-spacing: -0.8px;
  line-height: 1.15;
  margin-bottom: 20px;
}

/* Línea decorativa bajo el h2 */
#venta .venta-header h2::after {
  content: "";
  display: block;
  width: 52px;
  height: 3px;
  margin: 18px auto 0;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 3px;
}

#venta .venta-header p {
  max-width: 680px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.78;
  color: #5a7a7a;
}

/* ============================================================
   GRID DE CARDS
   ============================================================ */
#venta .venta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ============================================================
   CARDS
   ============================================================ */
#venta .venta-card {
  background: #f9fbfb;
  border: 1px solid rgba(212, 242, 16, 0.35);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

/* Glow interno superior suave */
#venta .venta-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: radial-gradient(
    ellipse at top left,
    rgba(212, 242, 16, 0.08),
    transparent 70%
  );
  pointer-events: none;
}

/* Línea superior de acento — aparece al hover */
#venta .venta-card::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 36px;
  width: 50px;
  height: 2px;
  background: var(--accent);
  border-radius: 0 0 2px 2px;
  opacity: 0;
  transition: opacity var(--transition);
}
#venta .venta-card:hover::after {
  opacity: 1;
}

#venta .venta-card:hover {
  transform: translateY(-7px);
  border-color: rgba(212, 242, 16, 0.65);
  box-shadow:
    0 20px 44px rgba(0, 0, 0, 0.09),
    0 0 30px rgba(212, 242, 16, 0.10);
}

/* Número decorativo de card */
#venta .venta-card-num {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #1a8a7a;
  opacity: 0.8;
  margin-bottom: 14px;
}

/* Título de card */
#venta .venta-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: #1a2a2a;
  line-height: 1.35;
  margin-bottom: 16px;
  letter-spacing: 0.1px;
}

/* Texto de card */
#venta .venta-card p {
  font-size: 14.5px;
  line-height: 1.80;
  color: #4a6060;
}

/* Énfasis en valores dentro del texto */
#venta .venta-card p strong,
#venta .venta-card p b {
  color: #1a6a5a;
  font-weight: 600;
}

/* ============================================================
   CARD DESTACADA — mantiene fondo oscuro para contraste visual
   ============================================================ */
#venta .venta-card.destacado {
  background: linear-gradient(145deg, #0e1e14 0%, #0a1a10 100%);
  border-color: rgba(212, 242, 16, 0.50);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.18),
    inset 0 0 60px rgba(212, 242, 16, 0.03);
}

#venta .venta-card.destacado::before {
  background: radial-gradient(
    ellipse at top,
    rgba(212, 242, 16, 0.10),
    transparent 65%
  );
}

#venta .venta-card.destacado::after {
  opacity: 1;
  width: 70px;
  background: var(--accent);
}

#venta .venta-card.destacado h3 {
  color: var(--accent);
  font-size: 16px;
}

#venta .venta-card.destacado p {
  color: rgba(255, 255, 255, 0.78);
}

#venta .venta-card.destacado:hover {
  border-color: var(--accent);
  box-shadow:
    0 28px 60px rgba(0, 0, 0, 0.22),
    0 0 50px rgba(212, 242, 16, 0.12);
}

/* ============================================================
   BOTÓN VOLVER
   ============================================================ */
#venta .venta-back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: fit-content;
  margin: 56px auto 0;
  padding: 13px 28px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-decoration: none;
  color: #1a2a2a;
  border-radius: 999px;
  background: #f4f8f8;
  border: 1px solid rgba(212, 242, 16, 0.5);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: all var(--transition);
}

#venta .venta-back-btn:hover {
  background: var(--accent);
  color: #0b0f14;
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(212, 242, 16, 0.28);
  transform: translateY(-2px);
}

/* ============================================================
   BLOQUE CIERRE
   ============================================================ */
#venta .venta-cierre {
  margin-top: 72px;
  position: relative;
}

/* Línea separadora */
#venta .venta-cierre::before {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(212, 242, 16, 0.35), transparent);
  margin-bottom: 48px;
}

#venta .venta-cierre p {
  max-width: 820px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.82;
  color: #5a7a7a;
  text-align: center;
}

/* ============================================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  #venta .venta-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Card destacada ocupa ancho completo */
  #venta .venta-card.destacado {
    grid-column: 1 / -1;
  }
}

/* ============================================================
   RESPONSIVE — MÓVIL (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  #venta {
    padding: 80px 18px 80px;
  }

  #venta::after { display: none; }

  #venta .venta-header {
    margin-bottom: 44px;
  }

  #venta .venta-header h2 {
    font-size: clamp(22px, 6vw, 30px);
  }

  #venta .venta-header p {
    font-size: 15px;
  }

  #venta .venta-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  #venta .venta-card.destacado {
    grid-column: auto;
  }

  #venta .venta-card {
    padding: 30px 24px;
    border-radius: var(--radius-md);
  }

  #venta .venta-card h3 { font-size: 14.5px; }
  #venta .venta-card p  { font-size: 14px; }

  #venta .venta-cierre p        { font-size: 15px; }
  #venta .venta-cierre          { margin-top: 52px; }
  #venta .venta-cierre::before  { margin-bottom: 36px; }

  #venta .venta-back-btn {
    font-size: 13px;
    padding: 12px 24px;
    margin-top: 44px;
  }
}

/* ============================================================
   RESPONSIVE — MÓVIL PEQUEÑO (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  #venta {
    padding: 70px 16px 70px;
  }

  #venta .venta-header span::before,
  #venta .venta-header span::after {
    width: 16px;
  }

  #venta .venta-card {
    padding: 26px 20px;
  }

  #venta .venta-cierre p { font-size: 14px; }
}