/* Quality-of-life: skip link, scroll to top, floating UI offsets */

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  z-index: 10000;
  padding: 0.625rem 1rem;
  background: var(--navy);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.scroll-to-top {
  position: fixed;
  left: 1.25rem;
  right: auto;
  top: auto;
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0));
  z-index: 998;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(26, 42, 87, 0.28);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease, background 0.2s ease;
}

.scroll-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background: var(--green);
}

.scroll-to-top:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

body.has-cookie-banner .scroll-to-top {
  bottom: calc(var(--cookie-banner-offset, 0px) + 1.25rem + env(safe-area-inset-bottom, 0));
}

body.has-cookie-banner .whatsapp-float {
  bottom: calc(var(--cookie-banner-offset, 0px) + 1.25rem + env(safe-area-inset-bottom, 0));
}

@media (max-width: 480px) {
  .scroll-to-top {
    width: 44px;
    height: 44px;
    left: 1rem;
    bottom: calc(1rem + env(safe-area-inset-bottom, 0));
  }

  body.has-cookie-banner .scroll-to-top {
    bottom: calc(var(--cookie-banner-offset, 0px) + 1rem + env(safe-area-inset-bottom, 0));
  }

  body.has-cookie-banner .whatsapp-float {
    bottom: calc(var(--cookie-banner-offset, 0px) + 1rem + env(safe-area-inset-bottom, 0));
  }
}

.docs-scroll-top {
  position: fixed;
  left: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(26, 42, 87, 0.22);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease, background 0.2s ease;
}

.docs-scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
}

.docs-scroll-top:hover {
  background: var(--green);
}