/* ============================================================
   Shiny Button — reusable CTA component (designali/21st.dev)
   Markup (see layouts/components/shiny-button.php):
     <a class="shiny-cta"><span>Label <svg/></span></a>
   Palette matches the "View All Case Studies" button exactly.
   Generic .shiny-cta class — usable on any <a>/<button> anywhere.
   ============================================================ */

@property --gradient-angle {
  syntax: "<angle>"; initial-value: 0deg; inherits: false;
}
@property --gradient-angle-offset {
  syntax: "<angle>"; initial-value: 0deg; inherits: false;
}
@property --gradient-percent {
  syntax: "<percentage>"; initial-value: 5%; inherits: false;
}
@property --gradient-shine {
  syntax: "<color>"; initial-value: white; inherits: false;
}

.shiny-cta {
  --shiny-cta-bg: #0b1020;
  --shiny-cta-bg-subtle: #2a4694;
  --shiny-cta-fg: #ffffff;
  --shiny-cta-highlight: #1163fb;
  --shiny-cta-highlight-subtle: #7ba6ff;
  --gradient-percent: 6%;
  --animation: gradient-angle linear infinite;
  --duration: 3s;
  --shadow-size: 2px;
  --transition: 800ms cubic-bezier(0.25, 1, 0.5, 1);

  isolation: isolate;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  outline-offset: 4px;
  padding: 1.25rem 2.5rem;
  font-family: "Inter", var(--font-family-primary), sans-serif;
  font-size: 1.125rem;
  line-height: 1.2;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 360px;
  color: var(--shiny-cta-fg);
  background: linear-gradient(var(--shiny-cta-bg), var(--shiny-cta-bg)) padding-box,
    conic-gradient(
      from calc(var(--gradient-angle) - var(--gradient-angle-offset)),
      transparent,
      var(--shiny-cta-highlight) var(--gradient-percent),
      var(--gradient-shine) calc(var(--gradient-percent) * 2),
      var(--shiny-cta-highlight) calc(var(--gradient-percent) * 3),
      transparent calc(var(--gradient-percent) * 4)
    ) border-box;
  box-shadow: inset 0 0 0 1px var(--shiny-cta-bg-subtle);
  transition: var(--transition);
  transition-property: --gradient-angle-offset, --gradient-percent, --gradient-shine;
}

.shiny-cta::before,
.shiny-cta::after,
.shiny-cta span::before {
  content: "";
  pointer-events: none;
  position: absolute;
  inset-inline-start: 50%;
  inset-block-start: 50%;
  translate: -50% -50%;
  z-index: -1;
}

.shiny-cta:active { translate: 0 1px; }

/* Dots pattern */
.shiny-cta::before {
  --size: calc(100% - var(--shadow-size) * 3);
  --position: 2px;
  --space: calc(var(--position) * 2);
  width: var(--size);
  height: var(--size);
  background: radial-gradient(
    circle at var(--position) var(--position),
    white calc(var(--position) / 4),
    transparent 0
  ) padding-box;
  background-size: var(--space) var(--space);
  background-repeat: space;
  mask-image: conic-gradient(
    from calc(var(--gradient-angle) + 45deg),
    black, transparent 10% 90%, black
  );
  border-radius: inherit;
  opacity: 0.4;
  z-index: -1;
}

/* Inner shimmer */
.shiny-cta::after {
  --animation: shimmer linear infinite;
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(-50deg, transparent, var(--shiny-cta-highlight), transparent);
  mask-image: radial-gradient(circle at bottom, transparent 40%, black);
  opacity: 0.6;
}

.shiny-cta span {
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}

/* Inner breathe glow — the primary hover reaction */
.shiny-cta span::before {
  --size: calc(100% + 1rem);
  width: var(--size);
  height: var(--size);
  box-shadow: inset 0 -1ex 2rem 4px var(--shiny-cta-highlight);
  opacity: 0;
  transition: opacity var(--transition);
  animation: calc(var(--duration) * 1.5) breathe linear infinite;
}

.shiny-cta span svg {
  width: 0.85em;
  height: auto;
  flex-shrink: 0;
}

/* Animate */
.shiny-cta,
.shiny-cta::before,
.shiny-cta::after {
  animation: var(--animation) var(--duration),
    var(--animation) calc(var(--duration) / 0.4) reverse paused;
  animation-composition: add;
}

.shiny-cta:is(:hover, :focus-visible),
.shiny-cta:is(:hover, :focus-visible) span {
  --gradient-percent: 20%;
  --gradient-angle-offset: 95deg;
  --gradient-shine: var(--shiny-cta-highlight-subtle);
  color: var(--shiny-cta-fg); /* stay white on hover — beat any global a:hover color */
}

.shiny-cta:is(:hover, :focus-visible),
.shiny-cta:is(:hover, :focus-visible)::before,
.shiny-cta:is(:hover, :focus-visible)::after {
  animation-play-state: running;
}

.shiny-cta:is(:hover, :focus-visible) span::before {
  opacity: 1;
}

/* Compact variant for the site header nav bar */
.shiny-cta.shiny-cta--header {
  padding: 0.65rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 600;
}

@keyframes gradient-angle { to { --gradient-angle: 360deg; } }
@keyframes shimmer { to { rotate: 360deg; } }
@keyframes breathe {
  from, to { scale: 1; }
  50% { scale: 1.2; }
}

/* Respect reduced-motion: keep the look, drop the perpetual animation */
@media (prefers-reduced-motion: reduce) {
  .shiny-cta,
  .shiny-cta::before,
  .shiny-cta::after,
  .shiny-cta span::before {
    animation: none !important;
  }
}