/* Terminal interactions: aged paper, olive ink and separate motion layers.
   GSAP owns artwork subjects; Motion owns control springs. Hover only moves
   their nested wrappers, so scroll choreography and draggable notes stay exact. */
:root {
  --hover-surface: #283123;
  --hover-surface-raised: #3b4b32;
  --hover-brass: #e7cc8e;
  --hover-copper: #7a3324;
  --hover-ink: #f0e8cf;
  --hover-ease: cubic-bezier(0.2, 0.75, 0.25, 1);
}
.hover-line {
  position: relative;
  --hover-line-bottom: 0px;
  --hover-line-inset: 0px;
}
.hover-line::after {
  content: "";
  position: absolute;
  inset-inline: var(--hover-line-inset);
  bottom: var(--hover-line-bottom);
  height: 1px;
  background: currentColor;
  pointer-events: none;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms var(--hover-ease);
}
.main-nav .hover-line {
  --hover-line-bottom: 7px;
  --hover-line-inset: 16px;
}
.main-nav .hover-line[aria-current="page"]::after,
.hover-line:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}
.project-link.hover-line,
.text-link.hover-line,
.project-paper .paper-read.hover-line,
.contact-sheet .contact-email.hover-line {
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: color 180ms ease;
}
.hover-sweep {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.hover-sweep::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--hover-surface-raised);
  pointer-events: none;
  transform: translateY(101%);
  transition: transform 180ms var(--hover-ease);
}
.world-work-link.hover-sweep,
.project-paper .paper-download.hover-sweep {
  background: var(--accent);
  color: var(--on-accent);
}
.hover-arrow {
  display: inline-block;
  font-size: 20px;
  line-height: 1;
  transition: transform 180ms var(--hover-ease);
}
.hover-sweep:focus-visible::before {
  transform: translateY(0);
}

/* A quiet, directional reveal: the row keeps its footprint and text contrast. */
.world-map[data-view="index"] .project-node {
  background: transparent;
}
.world-map[data-view="index"] .project-node:is(:hover, :focus-within) {
  background: transparent;
}
.world-map[data-view="index"] .hover-row {
  position: relative;
  isolation: isolate;
  padding-inline-end: 58px;
}
.world-map[data-view="index"] .hover-row::before,
.world-map[data-view="index"] .hover-row::after {
  content: "";
  position: absolute;
  pointer-events: none;
}
.world-map[data-view="index"] .hover-row::before {
  inset: 0;
  z-index: -1;
  background: var(--hover-surface);
  opacity: 0;
  transform: scaleX(0.96);
  transform-origin: left;
  transition:
    opacity 180ms ease,
    transform 220ms var(--hover-ease);
}
.world-map[data-view="index"] .hover-row::after {
  inset: 20px auto 20px 0;
  width: 2px;
  background: var(--hover-brass);
  opacity: 0;
  transform: scaleY(0.3);
  transition:
    opacity 180ms ease,
    transform 220ms var(--hover-ease);
}
.hover-row-title {
  display: inline-block;
  transition:
    color 180ms ease,
    transform 180ms var(--hover-ease);
}
.world-map[data-view="index"] .node-meta,
.world-map[data-view="index"] .node-caption {
  transition:
    color 180ms ease,
    transform 180ms var(--hover-ease);
}
.hover-row-arrow {
  position: absolute;
  top: 50%;
  right: 20px;
  color: var(--hover-brass);
  font:
    26px/1 var(--display),
    sans-serif;
  opacity: 0;
  pointer-events: none;
  transform: translate(-4px, -50%);
  transition:
    opacity 180ms ease,
    transform 180ms var(--hover-ease);
}
.world-map[data-view="desk"] .hover-row-arrow {
  display: none;
}
.world-map[data-view="index"] .hover-row:focus-visible::before {
  opacity: 1;
  transform: scaleX(1);
}
.world-map[data-view="index"] .hover-row:focus-visible::after {
  opacity: 1;
  transform: scaleY(1);
}
.world-map[data-view="index"] .hover-row:focus-visible .hover-row-title {
  color: var(--hover-ink);
  transform: translateX(4px);
}
.world-map[data-view="index"] .hover-row:focus-visible .node-meta {
  color: var(--hover-brass);
}
.world-map[data-view="index"] .hover-row:focus-visible .node-caption {
  color: #c4d2cc;
}
.world-map[data-view="index"] .hover-row:focus-visible .hover-row-arrow {
  opacity: 1;
  transform: translate(0, -50%);
}

/* A perspective plate around the existing GSAP-driven drawing. A tiny pointer
   tilt adds depth; labels and the clipping frame remain legible and stationary. */
.hover-art {
  --hover-turn-x: 0deg;
  --hover-turn-y: 0deg;
  --hover-shift-x: 0px;
  --hover-shift-y: 0px;
  --hover-zoom: 1;
  isolation: isolate;
}
.hover-art-layer {
  position: absolute;
  inset: 0;
  transform: none;
  transition: transform 240ms var(--hover-ease);
}
.hover-art[data-depth-active] .hover-art-layer {
  transition-duration: 120ms;
}
.hover-art::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  border: 1px solid var(--hover-brass);
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms ease;
}
.hover-art .art-label {
  position: absolute;
  z-index: 3;
  transition:
    color 180ms ease,
    transform 280ms var(--hover-ease);
}
.project-card:focus-within .hover-art::after {
  opacity: 0.6;
}

/* Small controls share the material palette without adding another component. */
:is(
  .main-nav a,
  #desk-view,
  #perspective-toggle,
  .project-filters button,
  .contact-card,
  .dog-controls .dog-action,
  .dog-controls .dog-reset,
  .dog-controls .dog-stop
) {
  transition:
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}
.contact-card strong {
  transition: color 180ms ease;
}
.project-filters button {
  position: relative;
}
.project-filters button::after {
  content: "";
  position: absolute;
  inset: auto 0 5px;
  height: 1px;
  background: var(--hover-copper);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms var(--hover-ease);
}
.project-filters button[aria-pressed="true"]::after,
.project-filters button:focus-visible::after {
  transform: scaleX(1);
}
.contact-card:focus-visible strong {
  color: var(--accent);
}
:is(#desk-view, #perspective-toggle):focus-visible {
  background: var(--hover-surface-raised);
  color: var(--hover-ink);
}

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .hover-art:hover .hover-art-layer {
    transform: perspective(900px) rotateX(var(--hover-turn-x))
      rotateY(var(--hover-turn-y))
      translate(var(--hover-shift-x), var(--hover-shift-y))
      scale(var(--hover-zoom));
  }
}
/* Individual translate composes with Motion's existing scale spring. */
@media (prefers-reduced-motion: no-preference) {
  :is(
      .world-work-link,
      .paper-download,
      #perspective-toggle,
      #room-pause,
      #desk-view,
      .dog-controls button,
      .dog-activities button
    ):active:not(:disabled) {
    translate: 0 1px;
    box-shadow: 1px 1px 0 rgb(25 30 23 / 22%);
  }
}

@media (hover: hover) and (pointer: fine) {
  .hover-line:hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }
  .hover-line:hover {
    color: inherit;
  }
  .hover-sweep:hover::before {
    transform: translateY(0);
  }
  .hover-sweep:hover .hover-arrow {
    transform: translateX(3px);
  }
  .world-map[data-view="index"] .hover-row:hover::before {
    opacity: 1;
    transform: scaleX(1);
  }
  .world-map[data-view="index"] .hover-row:hover::after {
    opacity: 1;
    transform: scaleY(1);
  }
  .world-map[data-view="index"] .hover-row:hover .hover-row-title {
    color: var(--hover-ink);
    transform: translateX(4px);
  }
  .world-map[data-view="index"] .hover-row:hover .node-meta {
    color: var(--hover-brass);
  }
  .world-map[data-view="index"] .hover-row:hover .node-caption {
    color: #c4d2cc;
  }
  .world-map[data-view="index"] .hover-row:hover .hover-row-arrow {
    opacity: 1;
    transform: translate(0, -50%);
  }
  .hover-art:hover {
    --hover-zoom: 1.02;
  }
  .hover-art:hover::after {
    opacity: 0.6;
  }
  .hover-art:hover .art-label {
    color: var(--hover-brass);
  }
  .main-nav a:hover {
    background: var(--hover-surface);
    border-color: transparent;
    color: var(--hover-ink);
  }
  .main-nav a:hover > span {
    color: var(--hover-brass);
  }
  :is(#desk-view, #perspective-toggle):hover:not(:disabled) {
    background: var(--hover-surface-raised);
    color: var(--hover-ink);
  }
  .project-filters button:hover {
    color: var(--ink);
  }
  .project-filters button:hover::after {
    transform: scaleX(1);
  }
  .contact-card:hover strong {
    color: var(--accent);
  }
  .world-map[data-view="desk"] .node-open:hover {
    background: rgb(11 22 26 / 22%);
  }
  .dog-controls .dog-action:hover:not(:disabled) {
    background: var(--hover-surface-raised);
    color: var(--hover-ink);
  }
}

/* Pointer-only changes do not latch after a tap. Keyboard focus remains clear. */
@media (hover: none), (pointer: coarse) {
  .world-map[data-view="index"] .project-node:hover:not(:focus-within) {
    background: transparent;
  }
  .main-nav a:hover:not([aria-current="page"]) {
    border-color: transparent;
  }
}
@media (min-width: 761px) and (max-width: 1099px) {
  .main-nav .hover-line {
    --hover-line-inset: 8px;
  }
}
@media (max-width: 760px) {
  .main-nav .hover-line {
    --hover-line-inset: 0px;
  }
  .hover-row-arrow {
    right: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .hover-line::after,
  .hover-sweep::before,
  .hover-arrow,
  .hover-row-title,
  .hover-row-arrow,
  .hover-art-layer,
  .hover-art::after,
  .hover-art .art-label,
  .contact-card strong,
  .project-filters button::after,
  .world-map[data-view="index"] .hover-row::before,
  .world-map[data-view="index"] .hover-row::after,
  .world-map[data-view="index"] .node-meta,
  .world-map[data-view="index"] .node-caption {
    transition: none;
  }
  .world-map[data-view="index"]
    .hover-row:is(:hover, :focus-visible)
    .hover-row-title,
  .world-map[data-view="index"] .hover-row:hover :is(.node-meta, .node-caption),
  .hover-sweep:hover .hover-arrow,
  .hover-art:hover .art-label,
  .contact-card:is(:hover, :focus-visible) strong {
    transform: none;
  }
  .hover-art .hover-art-layer {
    transform: none;
  }
  .world-map[data-view="index"]
    .hover-row:is(:hover, :focus-visible)
    .hover-row-arrow {
    transform: translate(0, -50%);
  }
}