/* ==========================================================================
   projects.css · "Otros proyectos de ingeniería"
   Rejilla de tarjetas con medio visual arriba (imagen o esquema SVG),
   fecha, título, descripción, tecnologías y enlace al repositorio.
   Rejilla: 1 columna (< 720), 2 columnas (720–959), 3 columnas (≥ 960).
   La tarjeta de la FIFO ocupa 2 columnas desde 720 y se maqueta en horizontal.
   Las tarjetas no son enlaces: sin efectos de "clicable", solo realce de borde.
   ========================================================================== */

.projects__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
}

@media (720px <= width < 960px) {
  .projects__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (width >= 960px) {
  .projects__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- Tarjeta ---------- */
.projects__card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

/* Aparición escalonada (sin atributos style: la CSP no permite estilos en línea) */
.projects__card:nth-child(3n + 2) {
  --reveal-delay: 0.08s;
}

.projects__card:nth-child(3n) {
  --reveal-delay: 0.16s;
}

@media (hover: hover) {
  .projects__card:hover {
    border-color: var(--border-strong);
  }
}

.projects__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-5);
}

.projects__body .card__text strong {
  color: var(--accent-bright);
  font-weight: 600;
}

.projects__chips {
  margin-top: auto;
  padding-top: var(--space-4);
}

.projects__link {
  margin-top: var(--space-3);
}

/* ---------- Medio visual ---------- */
.projects__media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--bg-panel-strong);
  border-bottom: 1px solid var(--border-soft);
}

.projects__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Gráfico sobre fondo blanco: se enmarca en "papel" en vez de atenuarlo con filtro.
   multiply funde el blanco de la imagen con el tono del papel. */
.projects__media--paper {
  padding: var(--space-2);
  background: var(--surface-paper);
}

.projects__media--paper img {
  object-fit: contain;
  mix-blend-mode: multiply;
}

/* Fotograma de pantalla (fondo negro) */
.projects__media--screen {
  background: var(--bg-base);
}

/* Esquemas SVG */
.projects__media--diagram {
  display: grid;
  place-items: center;
  padding: var(--space-2);
  background:
    radial-gradient(ellipse 80% 70% at 50% 40%, var(--accent-soft), transparent 70%),
    var(--bg-panel);
}

.projects__svg {
  width: 100%;
  height: 100%;
}

/* FIFO: esquema del banco de pruebas + comparación de cobertura */
.projects__media--fifo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-4);
  aspect-ratio: auto;
  padding: var(--space-4) var(--space-3);
}

.projects__media--fifo .projects__svg {
  height: auto;
}

.projects__cov {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
}

.projects__cov-title {
  margin-bottom: var(--space-2);
}

.projects__cov-list {
  display: grid;
  gap: var(--space-3);
}

.projects__cov-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: var(--space-1) var(--space-3);
  font-size: var(--fs-xs);
}

.projects__cov-name {
  color: var(--text-muted);
}

.projects__cov-value {
  color: var(--text-main);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.projects__cov-track {
  grid-column: 1 / -1;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--bg-panel-strong);
  overflow: hidden;
}

.projects__cov-bar {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--text-dim);
}

/* Longitud proporcional a los ciclos simulados (2.550 de 10.000) */
.projects__cov-bar--driven {
  width: 25.5%;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent-bright));
  box-shadow: var(--glow-strong);
}

.projects__cov-bar--fixed {
  width: 100%;
}

/* ---------- Tarjeta ancha (FIFO) ---------- */
@media (width >= 720px) {
  .projects__card--wide {
    display: grid;
    grid-column: span 2;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .projects__card--wide .projects__media {
    aspect-ratio: auto;
    min-height: 100%;
    border-bottom: 0;
    border-right: 1px solid var(--border-soft);
  }
}

/* ---------- Elementos de los esquemas SVG (tamaños en unidades del viewBox) ---------- */
.projects__svg-box {
  fill: var(--bg-panel-strong);
  stroke: var(--border-strong);
  stroke-width: 1.5;
}

.projects__svg-box--accent {
  fill: var(--accent-soft);
  stroke: var(--accent-line);
}

.projects__svg-frame {
  fill: none;
  stroke: var(--border-strong);
  stroke-width: 1.5;
  stroke-dasharray: 6 5;
}

.projects__svg-slot {
  fill: none;
  stroke: var(--accent-line);
  stroke-width: 1.5;
}

.projects__svg-slot--full {
  fill: var(--accent-line);
  stroke: var(--accent);
}

.projects__svg-slot--more {
  stroke-dasharray: 4 3;
}

.projects__svg-bus {
  fill: var(--accent-soft);
  stroke: var(--accent);
  stroke-width: 1.5;
}

.projects__svg-wire {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
}

.projects__svg-wire--dashed {
  stroke-dasharray: 5 4;
}

.projects__svg-head {
  fill: var(--accent);
}

.projects__svg-title,
.projects__svg-label,
.projects__svg-sub {
  font-family: var(--font-mono);
}

.projects__svg-title {
  fill: var(--accent-bright);
  font-size: 26px;
  font-weight: 700;
}

.projects__svg-label {
  fill: var(--text-main);
  font-size: 16px;
  font-weight: 600;
}

.projects__svg-label--accent {
  fill: var(--accent-bright);
}

.projects__svg-sub {
  fill: var(--text-muted);
  font-size: 13px;
}

.projects__svg-sub--accent {
  fill: var(--accent);
}