/* Shared motion language for the portfolio and project workflow pages. */
:root {
  --motion-fast: 180ms;
  --motion-base: 360ms;
  --motion-slow: 620ms;
  --motion-ease: cubic-bezier(.22, 1, .36, 1);
  --motion-exit: cubic-bezier(.4, 0, 1, 1);
  --motion-accent: var(--accent-2, var(--cyan, var(--green, #39d98a)));
}

.motion-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: 2px;
  pointer-events: none;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--motion-accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--motion-accent) 60%, transparent);
  will-change: transform;
}

/* Keep first paint stable; card-level motion replaces the older full-section fade. */
.js .reveal,
.js .reveal.visible {
  opacity: 1 !important;
  transform: none !important;
}

.hero-content,
.hero-photo {
  opacity: 1 !important;
  animation: none !important;
}

.motion-ready [data-motion] {
  opacity: 1;
  transform: translateY(12px);
  transition:
    opacity var(--motion-slow) var(--motion-ease),
    transform var(--motion-slow) var(--motion-ease);
  transition-delay: var(--motion-delay, 0ms);
}

.motion-ready [data-motion].motion-in {
  opacity: 1;
  transform: none;
}

.motion-surface {
  --pointer-x: 50%;
  --pointer-y: 50%;
  background-image: radial-gradient(
    280px circle at var(--pointer-x) var(--pointer-y),
    color-mix(in srgb, var(--motion-accent) 9%, transparent),
    transparent 72%
  );
  transition:
    transform var(--motion-base) var(--motion-ease),
    border-color var(--motion-base) ease,
    box-shadow var(--motion-base) ease,
    background-color var(--motion-base) ease;
}

.motion-surface:hover {
  box-shadow: 0 14px 34px rgba(0, 0, 0, .24);
}

.linked-project-card {
  cursor: pointer;
}

.linked-project-card:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--motion-accent) 70%, transparent);
  outline-offset: 3px;
}

.motion-surface .step-icon,
.motion-surface .stage-icon,
.motion-surface .node-icon,
.motion-surface .node-code,
.motion-surface .skill-icon,
.motion-surface .gate-icon,
.motion-surface .evidence-grid i {
  transition: transform var(--motion-base) var(--motion-ease), box-shadow var(--motion-base) ease;
}

.motion-surface:hover .step-icon,
.motion-surface:hover .stage-icon,
.motion-surface:hover .node-icon,
.motion-surface:hover .node-code,
.motion-surface:hover .skill-icon,
.motion-surface:hover .gate-icon {
  transform: translateY(-2px) rotate(-2deg) scale(1.06);
  box-shadow: 0 8px 18px rgba(0, 0, 0, .2);
}

details > :not(summary) {
  transform-origin: top;
}

details[open] > :not(summary) {
  animation: details-enter 300ms var(--motion-ease) both;
}

details summary {
  transition: color var(--motion-fast) ease, padding-left var(--motion-base) var(--motion-ease);
}

details summary:hover {
  padding-left: .3rem;
}

.detail-panel,
.drawer {
  top: 0 !important;
  bottom: 0 !important;
  height: 100dvh !important;
  max-height: 100dvh !important;
  overflow-y: auto !important;
  overscroll-behavior: contain;
}

.detail-panel.open > *,
.drawer.open > * {
  opacity: 1 !important;
  transform: none !important;
  animation: none !important;
}

.detail-head,
.detail-panel-head,
.drawer-head {
  position: sticky !important;
  top: 0 !important;
  z-index: 4;
  padding-block: .45rem;
  background: #091522;
}

.backdrop,
.panel-backdrop {
  background: rgba(0, 0, 0, .48) !important;
  backdrop-filter: blur(1px) !important;
}

.btn,
.control-button,
.run-button,
.reset-button,
.filter-button,
.filters button,
.lane-filters button {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.btn::after,
.control-button::after,
.run-button::after,
.reset-button::after,
.filter-button::after,
.filters button::after,
.lane-filters button::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(255, 255, 255, .13);
  transform: translateX(-105%) skewX(-18deg);
  transition: transform 440ms var(--motion-ease);
}

.btn:hover::after,
.control-button:hover::after,
.run-button:hover::after,
.reset-button:hover::after,
.filter-button:hover::after,
.filters button:hover::after,
.lane-filters button:hover::after {
  transform: translateX(105%) skewX(-18deg);
}

@keyframes details-enter {
  from { opacity: 0; transform: translateY(-7px); }
}

@media (prefers-reduced-motion: reduce) {
  details[open] > :not(summary),
  .motion-ready [data-motion] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .motion-surface,
  .motion-surface * {
    transition: none !important;
  }
}