/* ════════════════════════════════════════
   SILVER RIM — single highlight running around the perimeter
   conic-gradient + mask-composite leaves only the perimeter ring;
   one bright silver streak travels around the border like a runner.
════════════════════════════════════════ */

@property --rim-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.silver-rim {
  position: relative;
}

.silver-rim::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: conic-gradient(
    from var(--rim-angle, 0deg),
    rgba(154, 154, 163, 0.18) 0deg,    /* faint base ring */
    rgba(154, 154, 163, 0.18) 60deg,
    rgba(216, 216, 221, 0.5)  78deg,
    rgba(245, 245, 247, 0.95) 88deg,
    rgba(255, 255, 255, 1)    92deg,
    rgba(245, 245, 247, 0.95) 96deg,
    rgba(216, 216, 221, 0.5)  108deg,
    rgba(154, 154, 163, 0.18) 130deg,
    rgba(154, 154, 163, 0.18) 360deg
  );
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  animation: silver-rim-rotate 7s linear infinite;
  pointer-events: none;
}

/* Slower variant for cards (price card / qva cards) */
.silver-rim--slow::before { animation-duration: 10s; }

/* Brighter variant for primary CTAs — same gradient pattern, slightly thicker */
.silver-rim--bright::before {
  padding: 2px;
  animation-duration: 6s;
}

@keyframes silver-rim-rotate {
  to { --rim-angle: 360deg; }
}

@media (prefers-reduced-motion: reduce) {
  .silver-rim::before { animation: none; }
}