:root {
  --pq-accent: #36aaa7;
  --pq-dark: #0f172a;
  --pq-muted: #6b7280;
  --pq-bg: #ffffff;
  --pq-shadow: 0 12px 32px rgba(15,23,42,0.08);
  --pq-shadow-hover: 0 18px 40px rgba(15,23,42,0.12);
  --pq-radius: 16px;
}

/* Section container */
#por-que {
  padding: 72px 20px;
  background: #f8fafc;
}

#por-que h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--pq-accent);
  text-align: center;
  margin: 0 0 48px 0;
  letter-spacing: 0.2px;
}

/* Grid container */
.ctn-porque-elegirnos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1100px;
  margin: 0 auto;
}

/* Card styling */
.ctn-porque-elegirnos .card {
  background: var(--pq-bg);
  border-radius: var(--pq-radius);
  padding: 28px 22px 26px;
  box-shadow: var(--pq-shadow);
  border: 1px solid rgba(15,23,42,0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  min-height: 200px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  text-align: center;
}

.ctn-porque-elegirnos .card:hover {
  transform: translateY(-4px);
  box-shadow: var(--pq-shadow-hover);
  border-color: rgba(54,170,167,0.12);
}

/* Icon circle container */
.ctn-porque-elegirnos .card::before {
  content: '';
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--pq-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 6px 16px rgba(54,170,167,0.25);
}

/* SVG icons inside circles */
.ctn-porque-elegirnos .card:nth-child(1)::before {
  background: var(--pq-accent) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32"><path fill="white" d="M6.813 2.406L5.405 3.812L7.5 5.906L8.906 4.5zm18.375 0L23.093 4.5L24.5 5.906l2.094-2.093zM16 3.03q-.495.004-1 .064h-.03c-4.056.465-7.284 3.742-7.845 7.78c-.448 3.25.892 6.197 3.125 8.095a5.24 5.24 0 0 1 1.75 3.03v6h2.28c.348.597.983 1 1.72 1s1.372-.403 1.72-1H20v-4h.094v-1.188c0-1.466.762-2.944 2-4.093C23.75 17.06 25 14.705 25 12c0-4.94-4.066-9.016-9-8.97m0 2c3.865-.054 7 3.11 7 6.97c0 2.094-.97 3.938-2.313 5.28l.032.032A7.8 7.8 0 0 0 18.279 22h-4.374c-.22-1.714-.955-3.373-2.344-4.563c-1.767-1.5-2.82-3.76-2.468-6.312c.437-3.15 2.993-5.683 6.125-6.03a7 7 0 0 1 .78-.064zM2 12v2h3v-2zm25 0v2h3v-2zM7.5 20.094l-2.094 2.093l1.407 1.407L8.905 21.5zm17 0L23.094 21.5l2.093 2.094l1.407-1.407zM14 24h4v2h-4z"/></svg>') center/22px no-repeat;
}

.ctn-porque-elegirnos .card:nth-child(2)::before {
  background: var(--pq-accent) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M18 8h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6v2H6c-1.1 0-2 .9-2 2v10c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V10c0-1.1-.9-2-2-2zM9 6c0-1.66 1.34-3 3-3s3 1.34 3 3v2H9V6zm9 14H6V10h12v10zm-6-3c1.1 0 2-.9 2-2s-.9-2-2-2-2 .9-2 2 .9 2 2 2z"/></svg>') center/22px no-repeat;
}

.ctn-porque-elegirnos .card:nth-child(3)::before {
  background: var(--pq-accent) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M7 2v11h3v9l7-12h-4l4-8z"/></svg>') center/22px no-repeat;
}

/* Card title */
.ctn-porque-elegirnos .card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--pq-dark);
  text-align: center;
  line-height: 1.3;
}

/* Card description */
.ctn-porque-elegirnos .card p.muted {
  margin: 0;
  font-size: 14px;
  color: var(--pq-muted);
  text-align: center;
  line-height: 1.6;
  flex: 1;
}

/* Responsive design */
@media (max-width: 900px) {
  #por-que {
    padding: 56px 16px;
  }

  #por-que h2 {
    font-size: 26px;
    margin-bottom: 32px;
  }

  .ctn-porque-elegirnos {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 640px) {
  #por-que {
    padding: 48px 16px;
  }

  #por-que h2 {
    font-size: 24px;
    margin-bottom: 24px;
  }

  .ctn-porque-elegirnos {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}