/* Button component — wireframe/components/button.css */

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

@property --shiny-angle-offset {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

@property --shiny-percent {
  syntax: "<percentage>";
  initial-value: 8%;
  inherits: false;
}

@property --shiny-shine {
  syntax: "<color>";
  initial-value: #ffffff;
  inherits: false;
}

@keyframes shiny-gradient-angle {
  to {
    --shiny-angle: 360deg;
  }
}

@keyframes shiny-shimmer {
  to {
    rotate: 360deg;
  }
}

@keyframes shiny-breathe {
  from,
  to {
    scale: 1;
  }

  50% {
    scale: 1.15;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  border: none;
  border-radius: 9999px;
  font-size: var(--fs-body);
  line-height: 1.3;
  font-family: var(--font-body);
  transition: color 200ms ease, background 200ms ease, border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}

.btn .material-symbols-outlined {
  font-size: 1.125rem;
  flex-shrink: 0;
  line-height: 1;
}

.btn-primary {
  --shiny-bg: var(--color-primary-dark);
  --shiny-bg-top: var(--color-primary);
  --shiny-bg-subtle: #157a99;
  --shiny-fg: #ffffff;
  --shiny-highlight: var(--color-primary-light);
  --shiny-highlight-subtle: #ffffff;
  --shiny-duration: 3s;
  --shiny-shadow-size: 2px;
  --shiny-transition: 800ms cubic-bezier(0.25, 1, 0.5, 1);

  isolation: isolate;
  position: relative;
  overflow: hidden;
  padding: 0.5rem 0.5rem 0.5rem 1.375rem;
  min-height: 2.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--shiny-fg);
  background:
    linear-gradient(180deg, var(--shiny-bg-top) 0%, var(--shiny-bg) 100%) padding-box,
    conic-gradient(
      from calc(var(--shiny-angle) - var(--shiny-angle-offset)),
      transparent,
      var(--shiny-highlight) var(--shiny-percent),
      var(--shiny-shine) calc(var(--shiny-percent) * 2),
      var(--shiny-highlight) calc(var(--shiny-percent) * 3),
      transparent calc(var(--shiny-percent) * 4)
    ) border-box;
  border: 1px solid transparent;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    inset 0 0 0 1px rgba(0, 0, 0, 0.06),
    0 6px 20px rgba(var(--color-primary-rgb), 0.34);
  outline-offset: 4px;
  transition: var(--shiny-transition);
  transition-property: --shiny-angle-offset, --shiny-percent, --shiny-shine, box-shadow, transform;
  animation: shiny-gradient-angle linear infinite var(--shiny-duration) paused;
}

.btn-primary::before,
.btn-primary::after {
  content: "";
  pointer-events: none;
  position: absolute;
  inset-inline-start: 50%;
  inset-block-start: 50%;
  translate: -50% -50%;
  z-index: 0;
}

.btn-primary::before {
  --size: calc(100% - var(--shiny-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),
    rgba(255, 255, 255, 0.16) calc(var(--position) / 4),
    transparent 0
  ) padding-box;
  background-size: var(--space) var(--space);
  background-repeat: space;
  mask-image: conic-gradient(
    from calc(var(--shiny-angle) + 45deg),
    black,
    transparent 10% 90%,
    black
  );
  border-radius: inherit;
  opacity: 0.45;
  animation: shiny-gradient-angle linear infinite var(--shiny-duration) reverse paused;
  animation-composition: add;
}

.btn-primary::after {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(
    -50deg,
    transparent,
    rgba(255, 255, 255, 0.42),
    transparent
  );
  mask-image: radial-gradient(circle at bottom, transparent 40%, black);
  opacity: 0.4;
  animation: shiny-shimmer linear infinite var(--shiny-duration) paused;
}

.btn-primary > * {
  position: relative;
  z-index: 1;
}

.btn-primary .material-symbols-outlined {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  font-size: 1.125rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition:
    background 280ms cubic-bezier(0.22, 1, 0.36, 1),
    border-color 280ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-primary:is(:hover, :focus-visible) {
  --shiny-percent: 22%;
  --shiny-angle-offset: 95deg;
  --shiny-shine: var(--shiny-highlight-subtle);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    inset 0 0 0 1px rgba(0, 0, 0, 0.08),
    0 10px 28px rgba(var(--color-primary-rgb), 0.42),
    0 0 24px rgba(var(--color-primary-rgb), 0.28);
}

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

.btn-primary:is(:hover, :focus-visible) .material-symbols-outlined {
  background: rgba(255, 255, 255, 0.24);
  border-color: rgba(255, 255, 255, 0.36);
  transform: translateX(3px);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 3px;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-outline { border: 1px solid currentColor; background: transparent; }

.btn-outline:hover { background: rgba(255, 255, 255, 0.08); }

.btn-ghost { border: 1px solid #c7c5ce; background: transparent; }

.btn-ghost:hover { border-color: var(--color-primary); color: #fff; background: var(--color-primary); }

.service-card__cta {
  margin-top: auto;
  width: 100%;
  justify-content: space-between;
  padding-inline: 1.25rem;
  padding-block: 0.75rem;
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid rgba(88, 90, 116, 0.2);
  background: transparent;
}

.service-card__cta:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}

.btn-text-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.625rem 0.625rem 0.625rem 1.25rem;
  border-radius: 9999px;
  border: 1px solid rgba(88, 90, 116, 0.16);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(240, 237, 237, 0.6) 100%);
  color: var(--color-text);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: var(--shadow-sm);
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease, background 220ms ease;
}

.btn-text-cta:hover {
  border-color: rgba(88, 90, 116, 0.35);
  background: #fff;
  box-shadow: var(--shadow-md);
}

.btn-text-cta__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 9999px;
  background: rgba(223, 224, 255, 0.55);
  border: 1px solid rgba(88, 90, 116, 0.12);
  color: var(--color-primary);
  transition: background 220ms ease, border-color 220ms ease, color 220ms ease, transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.btn-text-cta__icon .material-symbols-outlined { font-size: 1.125rem; }

.btn-text-cta:hover .btn-text-cta__icon {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  transform: translateX(3px);
}

@media (prefers-reduced-motion: reduce) {
  .btn-primary,
  .btn-primary::before,
  .btn-primary::after {
    animation: none !important;
  }

  .btn-primary:is(:hover, :focus-visible) .material-symbols-outlined {
    transform: none;
  }
}