/* Beam-styled primary CTA wrapper (fr-beam / beam-ring port) */

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

.beam-button {
  --beam-ring-a: #c4b5fd;
  --beam-ring-b: #818cf8;
  --beam-ring-c: #60a5fa;
  --beam-ring-d: #a78bfa;
  --beam-speed: 2.8s;
  --beam-ring-width: 2px;
  --beam-glow: rgba(129, 140, 248, 0.55);
  --beam-fill: #4f46e5;
  --beam-fill-mid: #6366f1;
  --beam-fill-edge: #4338ca;
  --mag-x: 50%;
  --mag-y: 50%;
  --beam-radius: 8px;
  position: relative;
  display: inline-flex;
  vertical-align: middle;
  border-radius: var(--beam-radius);
  isolation: isolate;
  padding: var(--beam-ring-width);
}

/* Spinning conic-gradient beam ring */
.beam-button::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: var(--beam-ring-width);
  background: conic-gradient(
    from var(--beam-angle),
    transparent 0deg 52deg,
    color-mix(in srgb, var(--beam-ring-d) 35%, transparent) 68deg,
    var(--beam-ring-a) 88deg,
    var(--beam-ring-b) 108deg,
    var(--beam-ring-c) 128deg,
    var(--beam-ring-d) 148deg,
    color-mix(in srgb, var(--beam-ring-b) 40%, transparent) 168deg,
    transparent 188deg 360deg
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask-composite: exclude;
  animation: beam-ring-spin var(--beam-speed) linear infinite;
  z-index: 0;
  pointer-events: none;
  filter: drop-shadow(0 0 6px rgba(129, 140, 248, 0.45))
    drop-shadow(0 0 14px rgba(96, 165, 250, 0.22));
}

/* Pointer-tracking inner glow (hover) */
.beam-button::before {
  content: '';
  position: absolute;
  inset: calc(var(--beam-ring-width) * -1);
  border-radius: inherit;
  background: radial-gradient(
    140px circle at var(--mag-x) var(--mag-y),
    var(--beam-glow),
    transparent 68%
  );
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: 0;
  pointer-events: none;
}

.beam-button:hover::before,
.beam-button:focus-within::before {
  opacity: 1;
}

@keyframes beam-ring-spin {
  to {
    --beam-angle: 360deg;
  }
}

/* Stable indigo/mauve fill — scoped; does not change sitewide .btn-primary */
.beam-button .btn-primary,
.beam-button a.btn-primary:is(:link, :visited, :hover, :active, :focus, :focus-visible) {
  position: relative;
  z-index: 1;
  border-radius: calc(var(--beam-radius) - var(--beam-ring-width));
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--beam-fill-mid) 88%, #312e81 12%) 0%,
    color-mix(in srgb, var(--beam-fill) 92%, #1e1b4b 8%) 48%,
    color-mix(in srgb, var(--beam-fill-edge) 90%, #1e1b4b 10%) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  box-shadow:
    0 0 0 1px rgba(129, 140, 248, 0.12),
    0 8px 24px rgba(15, 23, 42, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.beam-button .btn-primary:hover,
.beam-button a.btn-primary:is(:link, :visited):hover,
.beam-button .btn-primary:focus-visible,
.beam-button a.btn-primary:focus-visible {
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--beam-fill-mid) 94%, #312e81 6%) 0%,
    color-mix(in srgb, var(--beam-fill) 96%, #1e1b4b 4%) 48%,
    color-mix(in srgb, var(--beam-fill-edge) 94%, #1e1b4b 6%) 100%
  );
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow:
    0 0 0 1px rgba(167, 139, 250, 0.28),
    0 0 22px rgba(129, 140, 248, 0.28),
    0 10px 28px rgba(15, 23, 42, 0.48),
    inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

/* Slightly stronger ring on light-ish hero panels */
.hero-cta .beam-button::after,
.silo-hero .beam-button::after {
  filter: drop-shadow(0 0 8px rgba(129, 140, 248, 0.55))
    drop-shadow(0 0 18px rgba(96, 165, 250, 0.3));
}

@media (prefers-reduced-motion: reduce) {
  .beam-button::after {
    animation: none;
    --beam-angle: 42deg;
  }

  .beam-button::before {
    display: none;
  }
}