/* ==========================================================================
   SOLUCIONES HOSPITALARIAS — SECCIÓN POR QUÉ SOLUCIONES HOSPITALARIAS
   Versión: 1.0 (4 Pilares de Decisión, Spring Pop & Tarjetas Diferenciadas)
   ========================================================================== */

.why-us-section {
  position: relative;
  width: 100%;
  padding: clamp(4rem, 8vh, 7rem) 0;
  background: #FFFFFF;
  overflow: hidden;
  z-index: var(--z-base);
}

.why-us-container {
  position: relative;
  z-index: 2;
  max-width: var(--container-max-w);
  margin: 0 auto;
  padding: 0 var(--space-4);
  box-sizing: border-box;
}

/* Header */
.why-us-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto clamp(2.5rem, 5vh, 4rem);
}

.why-us-pretitle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-brand-cyan);
  margin-bottom: var(--space-2);
}

.why-us-pretitle::before,
.why-us-pretitle::after {
  content: "";
  display: inline-block;
  width: 20px;
  height: 1px;
  background-color: var(--color-brand-cyan);
}

.why-us-title {
  font-family: var(--font-ui);
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.15;
  color: var(--color-brand-blue-deep);
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}

.why-us-subtitle {
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 620px;
  margin: 0 auto;
}

/* Grid de 4 Pilares */
.why-us-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.2rem, 2vw, 1.8rem);
  margin-bottom: clamp(2.5rem, 4vh, 3.5rem);
}

.why-pillar-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  border-radius: 24px;
  padding: clamp(1.8rem, 2.5vw, 2.2rem);
  box-shadow: 0 20px 50px -10px rgba(0, 45, 110, 0.08), 0 4px 16px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  position: relative;
  overflow: hidden;
  transition: 
    transform var(--duration-fast) var(--ease-natural),
    box-shadow var(--duration-fast) var(--ease-natural),
    border-color var(--duration-fast) var(--ease-natural);
}

.why-pillar-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 60px -10px rgba(0, 45, 110, 0.15), 0 0 24px rgba(56, 182, 255, 0.2);
  border-color: rgba(56, 182, 255, 0.4);
}

/* Número de Pilar */
.pillar-number {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--color-brand-cyan);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
}

/* Iconos de Pilar */
.pillar-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(0, 74, 173, 0.06);
  border: 1px solid rgba(0, 74, 173, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
  color: var(--color-brand-blue);
  transition: all var(--duration-fast) var(--ease-natural);
}

.why-pillar-card:hover .pillar-icon-box {
  background: var(--color-brand-blue);
  color: #FFFFFF;
  transform: scale(1.08);
}

.pillar-icon-box svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.pillar-heading {
  font-family: var(--font-ui);
  font-size: clamp(1.15rem, 1.4vw, 1.35rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-brand-blue-deep);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.pillar-desc {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-3);
}

.pillar-highlight-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-brand-blue);
  background: rgba(56, 182, 255, 0.12);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  margin-top: auto;
  width: fit-content;
}

/* Banner de Compromiso al Pie */
.why-us-commitment-banner {
  background: linear-gradient(135deg, var(--color-brand-blue-deep) 0%, var(--color-brand-blue) 100%);
  border-radius: 24px;
  padding: clamp(1.8rem, 3.5vw, 2.6rem);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  box-shadow: 0 24px 60px -15px rgba(0, 45, 110, 0.3);
}

.commitment-text-wrap h3 {
  font-family: var(--font-ui);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 700;
  margin-bottom: var(--space-1);
  color: #FFFFFF;
}

.commitment-text-wrap p {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.85);
}

.commitment-action-wrap {
  flex-shrink: 0;
}

/* Responsive */
@media (max-width: 1100px) {
  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .why-us-grid {
    grid-template-columns: 1fr;
  }
  .why-us-commitment-banner {
    flex-direction: column;
    text-align: center;
  }
}