/* ===================================================================
   Projects Page Styles (projects.md)
   =================================================================== */

/* ===================================================================
   Area filter
   =================================================================== */

.projects-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin: var(--spacing-4) 0 var(--spacing-6);
}

.projects-filter__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1_5);
  min-height: 2rem;
  padding: 0 var(--spacing-3);
  border: 1px solid var(--border);
  border-radius: var(--button-border-radius);
  background: var(--card);
  color: var(--muted-foreground);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease, scale 0.15s ease;
}

.projects-filter__btn:hover,
.projects-filter__btn:focus-visible {
  color: var(--foreground);
  border-color: var(--md-primary-fg-color);
}

.projects-filter__btn:active {
  scale: 0.96;
}

.projects-filter__btn[aria-pressed="true"] {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-foreground);
}

/* Area icon slides in on hover, focus and while the filter is active */
.projects-filter__icon {
  display: inline-flex;
  width: 0;
  overflow: hidden;
  opacity: 0;
  transition: width 0.15s ease, opacity 0.15s ease;
}

.projects-filter__icon svg {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  fill: currentColor;
}

.projects-filter__btn:hover .projects-filter__icon,
.projects-filter__btn:focus-visible .projects-filter__icon,
.projects-filter__btn[aria-pressed="true"] .projects-filter__icon {
  width: 1rem;
  opacity: 1;
}

.projects-filter__btn--ml:hover .projects-filter__icon { color: var(--tag-ml-fg); }
.projects-filter__btn--ferramentas:hover .projects-filter__icon { color: var(--tag-tools-fg); }
.projects-filter__btn--visual:hover .projects-filter__icon { color: var(--tag-visual-fg); }
.projects-filter__btn--dados:hover .projects-filter__icon { color: var(--tag-data-eng-fg); }

@media (hover: none) {
  .projects-filter__icon {
    width: 1rem;
    opacity: 1;
  }
}

@media (pointer: coarse) {
  .projects-filter__btn {
    min-height: 2.2rem;
  }
}

.projects-filter__count {
  font-size: 0.7rem;
  font-weight: 500;
  opacity: 0.75;
  font-variant-numeric: tabular-nums;
}

/* ===================================================================
   Grid and cards
   =================================================================== */

.projects-intro {
  max-width: 40rem;
  color: var(--muted-foreground);
}

.projects-count {
  margin: 0 0 var(--spacing-2);
  font-family: var(--md-code-font-family, monospace);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--muted-foreground);
}

/* Six tracks: regular cards span 2 (three per row), featured cards span 3 (two per row) */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--spacing-5);
  margin: var(--spacing-4) 0;
}

.projects-grid > .project-card {
  grid-column: span 2;
}

.projects-grid > .project-card--featured {
  grid-column: span 3;
}

@media screen and (max-width: 64rem) {
  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .projects-grid > .project-card,
  .projects-grid > .project-card--featured {
    grid-column: span 1;
  }
}

@media screen and (max-width: 40rem) {
  .projects-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.md-typeset .project-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-5);
  border: 1px solid var(--border);
  border-radius: var(--spacing-5);
  corner-shape: squircle;
  background-color: var(--card);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, translate 0.2s ease;
}

.md-typeset .project-card:hover,
.md-typeset .project-card:focus-within {
  border-color: var(--primary);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
  translate: 0 -3px;
}

/* Spotlight: a soft glow that follows the pointer (position set by projects-filter.js) */
.md-typeset .project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(
    22rem circle at var(--spot-x, 50%) var(--spot-y, 0%),
    color-mix(in srgb, var(--md-primary-fg-color) 14%, transparent),
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.md-typeset .project-card:hover::before {
  opacity: 1;
}

/* Filter reflow: every card animates from its old slot to its new one */
::view-transition-group(*) {
  animation-duration: 0.35s;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Media band: the screenshot bleeds to the card edges */
.md-typeset .project-media {
  display: block;
  margin: calc(-1 * var(--spacing-4)) calc(-1 * var(--spacing-5)) 0;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: var(--muted);
}

.md-typeset .project-card--featured .project-media {
  aspect-ratio: 16 / 9;
}

.project-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: scale 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-media img {
  scale: 1.04;
}

/* Cover for projects without a screenshot: area glow, grid and the stack as code */
.project-media--cover {
  --area: var(--muted-foreground);
  display: flex !important;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background:
    radial-gradient(circle at 18% 35%, color-mix(in srgb, var(--area) 22%, transparent), transparent 60%),
    linear-gradient(color-mix(in srgb, var(--area) 7%, transparent) 1px, transparent 1px) 0 0 / 1.5rem 1.5rem,
    linear-gradient(90deg, color-mix(in srgb, var(--area) 7%, transparent) 1px, transparent 1px) 0 0 / 1.5rem 1.5rem,
    var(--card) !important;
}

.project-media--dados { --area: var(--tag-data-eng-fg); }
.project-media--ml { --area: var(--tag-ml-fg); }
.project-media--ferramentas { --area: var(--tag-tools-fg); }
.project-media--visual { --area: var(--tag-visual-fg); }

.project-media__icon svg {
  width: 2.75rem;
  height: 2.75rem;
  fill: var(--area);
  transition: scale 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-media__icon svg {
  scale: 1.1;
}

.project-media__code {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-family: var(--md-code-font-family, monospace);
  font-size: 0.7rem;
  color: var(--muted-foreground);
}

.project-media__code > span::before {
  content: "› ";
  color: var(--area);
}

.project-badge {
  flex: 0 0 auto;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--md-primary-fg-color);
  border-radius: 999px;
  font-family: var(--md-code-font-family, monospace);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--md-primary-fg-color);
}

.project-card[hidden] {
  display: none;
}

/* Header: area icon, title with subtitle, optional thumbnail */
.project-head {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
}

.project-area {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--spacing-2);
  corner-shape: squircle;
  background: var(--accent);
  color: var(--muted-foreground);
}

.project-area svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
}

.project-area--dados { color: var(--tag-data-eng-fg); }
.project-area--ml { color: var(--tag-ml-fg); }
.project-area--ferramentas { color: var(--tag-tools-fg); }
.project-area--visual { color: var(--tag-visual-fg); }

.project-link {
  flex: 1;
  min-width: 0;
  color: var(--foreground);
  text-decoration: none;
}

.md-typeset .project-link h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--foreground);
  text-wrap: balance;
  transition: color 0.2s ease;
}

.project-card:hover .project-link h3 {
  color: var(--primary);
}

.project-subtitle {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted-foreground);
}

.project-thumb--hidden {
  display: none;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.md-typeset .project-description {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 0.875rem;
  line-height: 1.6;
  text-wrap: pretty;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
}

/* Stack: pulled out of the prose into a scannable monospace row */
.md-typeset ul.project-stack:not([hidden]) {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-1) var(--spacing-3);
  margin: 0;
  padding: var(--spacing-3) 0 0;
  border-top: 1px solid var(--border);
  list-style: none;
  font-family: var(--md-code-font-family, monospace);
  font-size: 0.72rem;
  color: var(--muted-foreground);
}

.md-typeset ul.project-stack > li:not([hidden]) {
  margin: 0;
  padding: 0;
}

.md-typeset ul.project-stack > li + li::before {
  content: "·";
  margin-inline-end: var(--spacing-3);
  opacity: 0.6;
}

.project-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
  margin-top: auto;
}

.project-external-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1_5);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
}

.project-external-link svg {
  width: 0.9rem;
  height: 0.9rem;
  fill: currentColor;
  transition: translate 0.2s ease;
}

.project-card:hover .project-external-link svg {
  translate: 2px -2px;
}

.project-images {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  font-size: 0.75rem;
  color: var(--muted-foreground);
  font-variant-numeric: tabular-nums;
}

.project-images svg {
  width: 0.9rem;
  height: 0.9rem;
  fill: currentColor;
}