/* Shared interactions for current templates; archived designs remain untouched. */
:root {
  --link-hover: #d5ff48;
  --card-glow-cyan: #49f5e64d;
  --card-glow-green: #b5ff455c;
}
:root[data-theme="light"] {
  /* Dark leaf green keeps ordinary links legible on pale surfaces. */
  --link-hover: #3c6500;
  --card-glow-cyan: #00a9c147;
  --card-glow-green: #72b60059;
}
.hero, .contact, .global-footer { --link-hover: #d5ff48; }

/* Exclude filled controls and navigation, which already have their own states. */
:root[data-theme] body a:not(.button, .logo, .skip, .case-card-image, .post-image-link,
  .global-nav a, .mobile-nav a) {
  transition: color 180ms ease, text-decoration-color 180ms ease;
}
:root[data-theme] body a:not(.button, .logo, .skip, .case-card-image, .post-image-link,
  .global-nav a, .mobile-nav a):is(:hover, :focus-visible) {
  color: var(--link-hover);
  text-decoration-color: currentColor;
}

/* A real stretched anchor—not a JS click handler—covers the whole card. */
body [data-interactive-card] {
  position: relative;
  isolation: isolate;
  transition: transform 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
}
body [data-interactive-card]::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: transparent;
  box-shadow: -12px 8px 24px var(--card-glow-cyan),
    12px 12px 32px var(--card-glow-green);
  filter: blur(8px);
  opacity: 0;
  transition: opacity 240ms ease, transform 240ms ease;
}
body [data-card-link] { position: static; }
/* A transformed or filtered CTA would become the containing block for its stretched hit area. */
body [data-card-link].button:is(:hover, :focus-visible) { transform: none; filter: none; }
body [data-card-link]::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  cursor: pointer;
}
body [data-interactive-card]:focus-within {
  border-color: var(--link-hover);
  box-shadow: 0 0 0 1px var(--link-hover),
    -8px 6px 24px var(--card-glow-cyan), 10px 10px 32px var(--card-glow-green);
}
body [data-interactive-card]:focus-within::before { opacity: .5; transform: scale(1.035); }
/* Keyboard focus outlines the actual hit area, rather than just the CTA text. */
body [data-card-link]:focus-visible { outline: none; }
body [data-card-link]:focus-visible::after {
  outline: 3px solid var(--link-hover);
  outline-offset: 5px;
}
body [data-interactive-card]:is(:hover, :focus-within) [data-card-link]:not(.button) {
  color: var(--link-hover);
}
.staff-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--cyan);
  font: 500 12px/1.8 var(--mono);
  text-underline-offset: 4px;
}
@media (hover: hover) and (pointer: fine) {
  body [data-interactive-card]:hover {
    transform: translateY(-4px);
    border-color: var(--link-hover);
    box-shadow: 0 0 0 1px var(--link-hover),
      -8px 6px 24px var(--card-glow-cyan), 10px 10px 32px var(--card-glow-green);
  }
  body [data-interactive-card]:hover::before { opacity: .5; transform: scale(1.035); }
}
body [data-interactive-card]:active { transform: translateY(-1px); }
.case-swipe-hint { display: none; }

/* Homepage only: a native horizontal slider, with the next card peeking in. */
@media (max-width: 800px) {
  .home-case-studies .case-grid {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 66.6667vw;
    gap: 18px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 10px;
    padding: 20px 10px 30px;
    margin: -12px -10px 0;
    scrollbar-width: thin;
    scrollbar-color: var(--cyan) transparent;
  }
  .home-case-studies .case-card { scroll-snap-align: start; }
  .home-case-studies .case-card-copy { padding: 20px; }
  .home-case-studies .case-swipe-hint {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 10px;
    color: var(--cyan);
    font: 500 12px/1.8 var(--mono);
  }
}
.home-case-studies .case-grid:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body [data-interactive-card], body [data-interactive-card]::before,
  body a { transition: none !important; }
  body [data-interactive-card]:is(:hover, :active) { transform: none; }
}