/* ===== FEATURES SECTION ===== */
.features {
  background: var(--gray-50);
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: white;
  padding: 35px 25px;
  border-radius: 24px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px -15px rgba(99, 102, 241, 0.3);
  border-color: transparent;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon-wrapper {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  transition: var(--transition);
}

.feature-icon-wrapper i {
  font-size: 2.5rem;
  transition: var(--transition);
}

.feature-card:hover .feature-icon-wrapper {
  transform: scale(1.1);
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--gray-900);
}

.feature-card p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.6;
  flex-grow: 1;
}

/* ===== ICONOS PROFESIONALES POR COLOR ===== */

/* Idioma - Inglés/Español */
.feature-card:nth-child(1) .feature-icon-wrapper {
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.15),
    rgba(139, 92, 246, 0.15)
  );
}
.feature-card:nth-child(1) i {
  color: #6366f1; /* Morado principal */
}

/* Modo offline - DATABASE (recomendado) */
.feature-card:nth-child(2) .feature-icon-wrapper {
  background: linear-gradient(
    135deg,
    rgba(16, 185, 129, 0.15),
    rgba(5, 150, 105, 0.15)
  );
}
.feature-card:nth-child(2) i {
  color: #10b981; /* Verde esmeralda */
}

/* Búsqueda inteligente */
.feature-card:nth-child(3) .feature-icon-wrapper {
  background: linear-gradient(
    135deg,
    rgba(245, 158, 11, 0.15),
    rgba(217, 119, 6, 0.15)
  );
}
.feature-card:nth-child(3) i {
  color: #f59e0b; /* Naranja/ámbar */
}

/* Modo oscuro */
.feature-card:nth-child(4) .feature-icon-wrapper {
  background: linear-gradient(
    135deg,
    rgba(139, 92, 246, 0.15),
    rgba(124, 58, 237, 0.15)
  );
}
.feature-card:nth-child(4) i {
  color: #8b5cf6; /* Morado intenso */
}

/* Favoritos */
.feature-card:nth-child(5) .feature-icon-wrapper {
  background: linear-gradient(
    135deg,
    rgba(239, 68, 68, 0.15),
    rgba(220, 38, 38, 0.15)
  );
}
.feature-card:nth-child(5) i {
  color: #ef4444; /* Rojo para favoritos */
}

/* Tiempo real */
.feature-card:nth-child(6) .feature-icon-wrapper {
  background: linear-gradient(
    135deg,
    rgba(6, 182, 212, 0.15),
    rgba(8, 145, 178, 0.15)
  );
}
.feature-card:nth-child(6) i {
  color: #06b6d4; /* Cian/azul */
}

/* Responsive */
@media (max-width: 992px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 0 20px;
  }
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
    max-width: 450px;
  }

  .feature-card {
    padding: 30px 20px;
  }

  .feature-icon-wrapper {
    width: 70px;
    height: 70px;
  }

  .feature-icon-wrapper i {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  .features {
    padding: 60px 0;
  }

  .feature-card {
    padding: 25px 15px;
  }

  .feature-card h3 {
    font-size: 1.2rem;
  }

  .feature-card p {
    font-size: 0.9rem;
  }
}