/* Shared tactile feedback, including controls rendered after page load. */
:root {
  --button-ease: cubic-bezier(.22, 1, .36, 1);
  --button-settle: cubic-bezier(.2, 1.5, .4, 1);
}

button, .button, nav .nav-cta {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 48px;
  border-radius: 10px;
  box-shadow: inset 0 1px 0 #fff5, 0 4px 12px #0002;
  transition: transform 420ms var(--button-settle),
    box-shadow 320ms var(--button-ease),
    background-color 240ms ease, border-color 240ms ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

button::before, .button::before, nav .nav-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 15%, #fff4 45%, transparent 75%);
  transform: translateX(-120%);
  transition: transform 650ms var(--button-ease);
}

.secondary, nav .nav-cta {
  box-shadow: inset 0 1px 0 #ecd29c12, 0 4px 12px #0002;
}

.button > span, nav .nav-cta > span {
  display: inline-block;
  transition: transform 420ms var(--button-ease);
}

@media (hover: hover) and (pointer: fine) {
  button:enabled:hover, .button:hover, nav .nav-cta:hover {
    transform: translateY(-3px);
    box-shadow: inset 0 1px 0 #fff6, 0 9px 24px #0004, 0 0 22px #ecd29c18;
    border-color: #ffe7b8;
  }

  button:enabled:hover::before, .button:hover::before, nav .nav-cta:hover::before {
    transform: translateX(120%);
  }

  .button:hover > span, nav .nav-cta:hover > span {
    transform: translate(2px, -2px);
  }

  nav .nav-cta:hover { background-color: #3c2324; }
}

button:enabled:active, .button:active, nav .nav-cta:active {
  transform: translateY(1px) scale(.97);
  box-shadow: inset 0 2px 5px #0003, 0 1px 3px #0002;
  transition-duration: 90ms;
}

button:disabled {
  transform: none;
  box-shadow: none;
}

button:disabled:hover { background-color: var(--gold); }
button.secondary:disabled:hover { background-color: transparent; }
button.danger:disabled:hover { background-color: #7a2737; }

.hero .meta { max-width: 620px; margin-inline: auto; line-height: 1.8; }

/* Native disclosure semantics with a faceted, dimensional gold marker. */
.faq summary {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 48px;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.faq summary::-webkit-details-marker { display: none; }
.faq summary::marker { content: ''; }

.faq summary::before {
  content: '';
  flex: 0 0 28px;
  width: 28px;
  height: 32px;
  background: url('/faq-gold-arrow.svg') center / contain no-repeat;
  filter: drop-shadow(0 3px 2px #0009);
  transform: rotate(0deg);
  transform-origin: 45% 50%;
  transition: transform 520ms var(--button-settle), filter 280ms ease;
}

.faq details[open] > summary::before { transform: rotate(90deg); }

@media (hover: hover) and (pointer: fine) {
  .faq summary:hover::before {
    filter: brightness(1.15) drop-shadow(0 4px 3px #0008) drop-shadow(0 0 7px #e9c57555);
  }
}

.faq summary:active::before {
  transform: scale(.82) translateY(2px);
  transition-duration: 80ms;
  filter: brightness(.92) drop-shadow(0 1px 1px #0008);
}

.faq details[open] > summary:active::before { transform: rotate(90deg) scale(.82); }
.faq details[open] > p { animation: faq-reveal 300ms var(--button-ease); }

@keyframes faq-reveal {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .faq summary::before { transition: none; }
  .faq summary:active::before { transform: none; }
  .faq details[open] > summary:active::before { transform: rotate(90deg); }
  .faq details[open] > p { animation: none; }
}

@media (prefers-reduced-motion: reduce) {
  button, .button, nav .nav-cta,
  button::before, .button::before, nav .nav-cta::before,
  .button > span, nav .nav-cta > span {
    transition: none !important;
    transform: none !important;
  }
  button::before, .button::before, nav .nav-cta::before { display: none; }
}

/* Vector arrows inherit button color and never switch to a platform emoji. */
.arrow-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  flex: 0 0 1em;
  vertical-align: -.125em;
}