/* ============================================================
   QUANTUM LOGISTICS — CTA Section
   ============================================================ */

.cta-section {
  position: relative;
  background-color: #0c0c0c;
  color: #fff;
  padding: 100px 20px;
  text-align: center;
  overflow: hidden;
  z-index: 2; /* sit above background, below cursor */
}

/* Ripples */
.cta-section__ripples {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  z-index: 1;
  pointer-events: none;
}

.cta-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(255, 255, 255, 0.05); /* very faint white line */
  border-radius: 50%;
  transform: translate(-50%, -50%);
  --gap: 120px; /* Base distance between rings */
  animation: rippleExpand 4s linear infinite;
}

@keyframes rippleExpand {
  0% { 
    width: calc(var(--i) * var(--gap));
    height: calc(var(--i) * var(--gap));
  }
  100% { 
    width: calc((var(--i) + 1) * var(--gap));
    height: calc((var(--i) + 1) * var(--gap));
  }
}

/* Content */
.cta-section__content {
  position: relative;
  z-index: 2;
  max-width: 650px;
  margin: 0 auto;
}

.cta-section__heading {
  font-family: var(--font-display, 'Archivo', sans-serif);
  font-stretch: 125%;
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800;
  line-height: 1.05;
  text-transform: uppercase;
  margin: 0 0 24px 0;
  letter-spacing: -0.01em;
}

.cta-section__heading-line {
  display: block;
}

.cta-section__text {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  margin: 0 0 32px 0;
}

.cta-section__buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.cta-section__closing {
  font-family: var(--font-mono, 'IBM Plex Mono', monospace);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 16px;
}