#experience {
  background: var(--color-bg);
  padding: 3.5rem 2rem 6rem;
  text-align: center;
}

#experience h2 {
  text-align: center;
}

.experience-container {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  max-width: 820px;
  margin: 0 auto;
  text-align: left;
  counter-reset: exp-counter;
}

.experience-card {
  counter-increment: exp-counter;
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 14px;
  padding: 2rem 2.25rem;
  text-align: left;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.experience-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 10px 24px var(--color-line);
  transform: translateY(-3px);
}

/* large ghost index number in the corner, pure CSS via counter() */
.experience-card::after {
  content: counter(exp-counter, decimal-leading-zero);
  position: absolute;
  right: 1.25rem;
  bottom: -0.5rem;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-ink);
  opacity: 0.045;
  pointer-events: none;
  transition: opacity 0.25s ease, color 0.25s ease;
}

.experience-card:hover::after {
  opacity: 0.08;
  color: var(--color-accent);
}

.experience-card-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.4rem;
}

.experience-card-header h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.35;
}

.experience-year {
  flex-shrink: 0;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

.experience-org {
  position: relative;
  z-index: 1;
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.9rem;
}

.experience-card p {
  position: relative;
  z-index: 1;
  font-size: 0.95rem;
  color: var(--color-copy);
  line-height: 1.65;
  max-width: 58ch;
}

@media (max-width: 992px) {
  #experience {
    padding: 3rem 1.75rem 5rem;
  }

  .experience-container {
    gap: 1.4rem;
  }
}

@media (max-width: 768px) {
  #experience {
    padding: 2.5rem 1.25rem 4rem;
  }

  .experience-card {
    padding: 1.5rem 1.6rem;
  }

  .experience-card::after {
    font-size: 3.6rem;
    right: 1rem;
  }

  .experience-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }

  .experience-card-header h3 {
    font-size: 1.05rem;
  }

  .experience-org {
    margin-bottom: 0.7rem;
  }

  .experience-card p {
    font-size: 0.88rem;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .experience-card {
    padding: 1.3rem 1.25rem;
  }

  .experience-card::after {
    font-size: 3rem;
    bottom: -0.3rem;
    right: 0.8rem;
  }
}