/* SpecularButton — a lightweight static-site adaptation of the React Bits effect. */
.button.specular-button {
  --sb-x: 50%;
  --sb-y: 0%;
  --sb-opposite-x: 50%;
  --sb-opposite-y: 100%;
  --sb-proximity: 0;
  --sb-radius: var(--radius-sm);

  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: var(--glass-border) !important;
  border-radius: var(--sb-radius) !important;
  -webkit-backdrop-filter: blur(24px) saturate(1.45);
  backdrop-filter: blur(24px) saturate(1.45);
  transform: translateZ(0);
  transition:
    transform var(--duration-fast) var(--ease-out),
    color var(--duration-fast) ease,
    background var(--duration-fast) ease,
    box-shadow var(--duration-fast) ease;
}

.button.specular-button::before,
.button.specular-button::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
}

.button.specular-button::before {
  z-index: -1;
  background:
    radial-gradient(circle at var(--sb-x) var(--sb-y), rgba(255, 255, 255, 0.64), transparent 38%),
    radial-gradient(circle at var(--sb-opposite-x) var(--sb-opposite-y), rgba(232, 206, 140, 0.16), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), transparent 48%);
  opacity: calc(0.08 + (var(--sb-proximity) * 0.66));
}

.button.specular-button::after {
  z-index: 3;
  padding: 1px;
  background:
    radial-gradient(circle at var(--sb-x) var(--sb-y), rgba(255, 255, 255, 0.98) 0 4%, rgba(255, 255, 255, 0.5) 12%, transparent 34%),
    radial-gradient(circle at var(--sb-opposite-x) var(--sb-opposite-y), rgba(232, 206, 140, 0.68) 0 3%, rgba(232, 206, 140, 0.22) 13%, transparent 32%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.08) 44%, rgba(255, 255, 255, 0.42));
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: calc(0.18 + (var(--sb-proximity) * 0.82));
  transition: opacity 160ms ease;
}

.button.specular-button > * {
  position: relative;
  z-index: 2;
}

.button--primary.specular-button,
.form-submit.button--primary.specular-button {
  color: var(--ink-inverse);
  background: linear-gradient(135deg, color-mix(in srgb, var(--brand) 88%, transparent), color-mix(in srgb, var(--brand-rich) 84%, transparent)) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.34),
    inset 0 -1px 0 rgba(0, 37, 31, 0.28),
    inset 0 0 1.35rem rgba(255, 255, 255, 0.045),
    0 1rem 2.2rem rgba(2, 73, 60, 0.2),
    0 0.2rem 0.5rem rgba(2, 73, 60, 0.1) !important;
}

.button--glass.specular-button {
  color: var(--brand-rich);
  background: linear-gradient(145deg, var(--surface-strong), var(--surface-soft)) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.96),
    inset 0 -1px 0 rgba(7, 88, 73, 0.08),
    inset 0 0 1.4rem rgba(255, 255, 255, 0.24),
    0 0.85rem 2rem rgba(24, 57, 48, 0.1),
    0 0.15rem 0.4rem rgba(24, 57, 48, 0.08) !important;
}

.button.specular-button:focus-visible {
  --sb-proximity: 0.62;
  --sb-x: 50%;
  --sb-y: 0%;
  --sb-opposite-x: 50%;
  --sb-opposite-y: 100%;
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.button.specular-button:active {
  transform: translateY(0) scale(0.975);
}

.button.specular-button:disabled,
.button.specular-button[aria-disabled="true"] {
  opacity: 0.56;
  cursor: not-allowed;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
}

.button.specular-button:disabled::after,
.button.specular-button[aria-disabled="true"]::after {
  opacity: 0.24;
}

.button.specular-button:disabled:active,
.button.specular-button[aria-disabled="true"]:active {
  transform: none;
}

.button.specular-button[aria-busy="true"] {
  --sb-proximity: 0;
  cursor: wait;
}

@media (hover: hover) and (pointer: fine) {
  .button.specular-button:hover {
    transform: translateY(-2px);
  }

  .button--primary.specular-button:hover,
  .form-submit.button--primary.specular-button:hover {
    color: #fff;
    background: linear-gradient(135deg, color-mix(in srgb, var(--brand-bright) 74%, var(--brand)), color-mix(in srgb, var(--brand-rich) 88%, transparent)) !important;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.42),
      inset 0 -1px 0 rgba(0, 37, 31, 0.24),
      inset 0 0 1.5rem rgba(255, 255, 255, 0.06),
      0 1.25rem 2.7rem rgba(2, 73, 60, 0.27),
      0 0.25rem 0.55rem rgba(2, 73, 60, 0.12) !important;
  }

  .button--glass.specular-button:hover {
    color: var(--brand-rich);
    background: linear-gradient(145deg, color-mix(in srgb, var(--surface-strong) 90%, #fff), color-mix(in srgb, var(--surface-soft) 82%, #fff)) !important;
    box-shadow:
      inset 0 1px 0 #fff,
      inset 0 -1px 0 rgba(7, 88, 73, 0.1),
      inset 0 0 1.6rem rgba(255, 255, 255, 0.3),
      0 1rem 2.3rem rgba(24, 57, 48, 0.13),
      0 0.2rem 0.45rem rgba(24, 57, 48, 0.09) !important;
  }
}

@media (max-width: 700px) {
  .button.specular-button {
    -webkit-backdrop-filter: blur(18px) saturate(1.35);
    backdrop-filter: blur(18px) saturate(1.35);
  }
}

@media (prefers-reduced-motion: reduce) {
  .button.specular-button,
  .button.specular-button::after {
    transition: none;
  }

  .button.specular-button:hover,
  .button.specular-button:active {
    transform: none;
  }
}

@media (forced-colors: active) {
  .button.specular-button {
    border: 1px solid ButtonText !important;
    color: ButtonText;
    background: ButtonFace !important;
    box-shadow: none !important;
    forced-color-adjust: auto;
  }

  .button.specular-button::before,
  .button.specular-button::after {
    display: none;
  }
}