/* Liquid Glass CTA Pro — iOS 26 glass with real border, refined Phosphor icons,
   lift + diagonal sheen sweep on hover, icon-in-circle badge variant.
   All values come from CSS custom properties set in module.html. */

.liquid-glass-cta-pro {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
}

.liquid-glass-cta-pro--showcase {
  width: 100%;
  overflow: hidden;
  border-radius: 14px;
}

.liquid-glass-cta-pro__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
}

/* ---------- The glass button itself ---------- */
.liquid-glass-cta-pro__btn {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--lgc-pad-y) var(--lgc-pad-x);
  border-radius: var(--lgc-radius);
  border: var(--lgc-border-w) solid var(--lgc-border);
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--lgc-shadow);
  background: transparent;
  -webkit-tap-highlight-color: transparent;
  isolation: isolate;
  will-change: transform, box-shadow, border-color;
  transition:
    transform var(--lgc-hover-dur) cubic-bezier(0.22, 0.61, 0.36, 1),
    box-shadow var(--lgc-hover-dur) cubic-bezier(0.22, 0.61, 0.36, 1),
    border-color var(--lgc-hover-dur) cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* Backdrop blur layer — clipped to the button radius */
.liquid-glass-cta-pro__glass {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
  backdrop-filter: blur(var(--lgc-blur)) saturate(var(--lgc-saturation)) brightness(var(--lgc-brightness));
  -webkit-backdrop-filter: blur(var(--lgc-blur)) saturate(var(--lgc-saturation)) brightness(var(--lgc-brightness));
  transition: backdrop-filter var(--lgc-hover-dur) cubic-bezier(0.22, 0.61, 0.36, 1),
              -webkit-backdrop-filter var(--lgc-hover-dur) cubic-bezier(0.22, 0.61, 0.36, 1);
  pointer-events: none;
  z-index: 0;
}

.liquid-glass-cta-pro__tint {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--lgc-tint);
  pointer-events: none;
  z-index: 1;
  transition: background var(--lgc-hover-dur);
}

/* Specular sheen — radial lens gleam top-left + linear bottom catch-light */
.liquid-glass-cta-pro__sheen {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(
      130% 110% at 24% -2%,
      var(--lgc-specular) 0%,
      color-mix(in srgb, var(--lgc-specular) 45%, transparent) 20%,
      transparent 46%
    ),
    linear-gradient(
      var(--lgc-specular-angle),
      transparent 58%,
      color-mix(in srgb, var(--lgc-specular) 45%, transparent) 90%,
      color-mix(in srgb, var(--lgc-specular) 22%, transparent) 100%
    );
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: screen;
}

/* Diagonal sweep — animated highlight that crosses the button on hover */
.liquid-glass-cta-pro__sweep {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
  pointer-events: none;
  z-index: 2;
}
.liquid-glass-cta-pro__sweep::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -75%;
  width: 50%;
  height: 200%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    color-mix(in srgb, var(--lgc-specular) 55%, transparent) 45%,
    color-mix(in srgb, var(--lgc-specular) 80%, transparent) 50%,
    color-mix(in srgb, var(--lgc-specular) 55%, transparent) 55%,
    transparent 100%
  );
  transform: translateX(0) skewX(-12deg);
  opacity: 0;
  transition: transform var(--lgc-hover-sweep-ms) cubic-bezier(0.22, 0.61, 0.36, 1),
              opacity calc(var(--lgc-hover-sweep-ms) * 0.5) ease-out;
  mix-blend-mode: screen;
}

/* Inner chrome ring — gradient stroke (lighter top, darker bottom) */
.liquid-glass-cta-pro__stroke {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow:
    inset 0 1px 0 0 color-mix(in srgb, white 22%, transparent),
    inset 0 0 0 var(--lgc-stroke-w) var(--lgc-stroke),
    inset 0 -1px 0 0 color-mix(in srgb, black 14%, transparent);
  pointer-events: none;
  z-index: 3;
}

/* ---------- Content ---------- */
.liquid-glass-cta-pro__inner {
  position: relative;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--lgc-icon-gap);
  white-space: nowrap;
}

.liquid-glass-cta-pro__label {
  font-family: var(--lgc-label-font);
  font-size: var(--lgc-label-size);
  font-weight: var(--lgc-label-weight);
  text-transform: var(--lgc-label-transform);
  letter-spacing: var(--lgc-label-tracking);
  color: var(--lgc-label-color);
  line-height: 1;
}

.liquid-glass-cta-pro__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--lgc-icon-color);
  font-size: var(--lgc-icon-size);
  line-height: 1;
}
.liquid-glass-cta-pro__icon i,
.liquid-glass-cta-pro__icon::before {
  font-size: var(--lgc-icon-size);
  color: var(--lgc-icon-color);
  line-height: 1;
}

/* Icon-in-circle badge — Apple "Continue" pattern */
.liquid-glass-cta-pro__icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--lgc-circle-size);
  height: var(--lgc-circle-size);
  border-radius: 50%;
  background: var(--lgc-circle-bg);
  color: var(--lgc-circle-fg);
  flex-shrink: 0;
  margin-left: 2px;
  transition: transform var(--lgc-hover-dur) cubic-bezier(0.22, 0.61, 0.36, 1),
              background var(--lgc-hover-dur);
}
.liquid-glass-cta-pro__icon-circle i {
  font-size: calc(var(--lgc-circle-size) * 0.5);
  color: var(--lgc-circle-fg);
  line-height: 1;
}

/* ---------- Hover state ---------- */
.liquid-glass-cta-pro__btn:hover {
  transform: translateY(calc(-1 * var(--lgc-hover-lift))) scale(var(--lgc-hover-scale));
  border-color: var(--lgc-hover-border);
  box-shadow:
    var(--lgc-shadow),
    0 0 0 1px color-mix(in srgb, var(--lgc-hover-border) 30%, transparent);
}
.liquid-glass-cta-pro__btn:hover .liquid-glass-cta-pro__glass {
  backdrop-filter: blur(var(--lgc-hover-blur)) saturate(var(--lgc-saturation)) brightness(var(--lgc-brightness));
  -webkit-backdrop-filter: blur(var(--lgc-hover-blur)) saturate(var(--lgc-saturation)) brightness(var(--lgc-brightness));
}
.liquid-glass-cta-pro__btn:hover .liquid-glass-cta-pro__tint {
  background: var(--lgc-hover-tint);
}
.liquid-glass-cta-pro__btn:hover .liquid-glass-cta-pro__sweep::before {
  transform: translateX(360%) skewX(-12deg);
  opacity: 1;
}
.liquid-glass-cta-pro__btn:hover .liquid-glass-cta-pro__icon-circle {
  transform: translateX(4px) rotate(-6deg);
}

.liquid-glass-cta-pro__btn:focus-visible {
  outline: 2px solid var(--lgc-hover-border);
  outline-offset: 4px;
}

.liquid-glass-cta-pro__btn:active {
  transform: translateY(0) scale(calc(var(--lgc-hover-scale) * 0.98));
}

/* Reduced motion: kill the lift + sweep */
@media (prefers-reduced-motion: reduce) {
  .liquid-glass-cta-pro__btn,
  .liquid-glass-cta-pro__glass,
  .liquid-glass-cta-pro__tint,
  .liquid-glass-cta-pro__sweep::before,
  .liquid-glass-cta-pro__icon-circle {
    transition: none;
  }
  .liquid-glass-cta-pro__btn:hover {
    transform: none;
  }
  .liquid-glass-cta-pro__btn:hover .liquid-glass-cta-pro__sweep::before {
    transform: translateX(0) skewX(-12deg);
    opacity: 0;
  }
}

/* Fallback when backdrop-filter is unsupported */
@supports not (backdrop-filter: blur(1px)) {
  .liquid-glass-cta-pro__glass {
    background: color-mix(in srgb, var(--lgc-tint) 100%, rgba(255,255,255,0.18));
  }
}