/* Signature element — concentric rings that slowly expand and contract like
   a breathing cue, reframing "fitness" as calm/sustainable rather than
   high-intensity urgency (the strategy this template exists to offer). */
.breathe {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.breathe__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--coral-dim);
  animation: breathe-cycle 8s ease-in-out infinite;
}
.breathe__ring--1 { width: 22rem; height: 22rem; animation-delay: 0s; }
.breathe__ring--2 { width: 32rem; height: 32rem; border-color: var(--sage-dim); animation-delay: 1.2s; }
.breathe__ring--3 { width: 42rem; height: 42rem; animation-delay: 2.4s; }

@keyframes breathe-cycle {
  0%, 100% { transform: scale(0.92); opacity: 0.55; }
  50% { transform: scale(1.04); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .breathe__ring { animation: none; opacity: 0.7; }
}

@media (max-width: 700px) {
  .breathe__ring--1 { width: 14rem; height: 14rem; }
  .breathe__ring--2 { width: 20rem; height: 20rem; }
  .breathe__ring--3 { width: 26rem; height: 26rem; }
}