/* ==========================================================================
   Sections: experience timeline, skills, education, footer.
   ========================================================================== */

/* Experience as a release track ----------------------------------------- */

.track {
  position: relative;
  margin: 0;
  padding: 0 0 0 2rem;
  list-style: none;
}

.track::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  bottom: 0.5rem;
  left: 0.45rem;
  width: 3px;
  background: var(--rule);
  transform-origin: top;
  animation: draw-track 1100ms 300ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.job {
  position: relative;
  padding-bottom: 2.5rem;
}

.job:last-child { padding-bottom: 0; }

.job::before {
  content: "";
  position: absolute;
  top: 0.35rem;
  left: -2rem;
  width: 1.05rem;
  height: 1.05rem;
  border: 3px solid var(--steel);
  border-radius: 50%;
  background: var(--paper);
}

.job.current::before {
  background: var(--signal);
  border-color: var(--ink);
}

.job h3 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.25;
}

.job .org {
  margin: 0.15rem 0 0;
  font-weight: 600;
}

.job .when {
  margin: 0.1rem 0 0.9rem;
  color: var(--steel);
}

.job ul {
  max-width: 44rem;
  margin: 0;
  padding-left: 1.1rem;
}

.job li { margin: 0 0 0.45rem; }
.job li::marker { color: var(--steel); }

@keyframes draw-track { from { transform: scaleY(0); } to { transform: scaleY(1); } }

/* Skills ----------------------------------------------------------------- */

.skills {
  display: grid;
  grid-template-columns: minmax(10rem, 14rem) 1fr;
  gap: 0.9rem 2rem;
  margin: 0;
}

.skills dt { font-weight: 700; }
.skills dd { margin: 0; }

/* Education -------------------------------------------------------------- */

.edu h3 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
}

.edu p { margin: 0.2rem 0 0; }
.edu .when { color: var(--steel); }

/* Footer ----------------------------------------------------------------- */

.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--rule);
  color: var(--steel);
  font-size: 0.95rem;
}

/* Responsive & motion ---------------------------------------------------- */

@media (max-width: 40rem) {
  .skills {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
  .skills dd { margin-bottom: 0.9rem; }
}

@media (prefers-reduced-motion: reduce) {
  .track::before { animation: none; }
}