.experience {
  padding: clamp(4rem, 8vw, 6rem) 1.5rem;
}

.experience-shell {
  max-width: 52rem;
  margin: 0 auto;
}

@media (min-width: 1024px) {
  .experience {
    padding-left: 4rem;
    padding-right: 4rem;
  }
}

/* ─── Timeline ──────────────────────────────────────────────────── */
.experience-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 0.5rem;
}

/* vertical line */
.experience-timeline::before {
  content: '';
  position: absolute;
  left: 1.375rem; /* center of node */
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(var(--accent-rgb), 0.45) 8%,
    rgba(var(--accent-rgb), 0.45) 92%,
    transparent 100%
  );
  border-radius: 2px;
}

.experience-item {
  position: relative;
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: 1.25rem;
  padding: 1.5rem 0;
}

.experience-item:first-child {
  padding-top: 0.5rem;
}
.experience-item:last-child {
  padding-bottom: 0.5rem;
}

/* ─── Rail / node ───────────────────────────────────────────────── */
.experience-rail {
  position: relative;
  display: flex;
  justify-content: center;
}

.experience-node {
  position: sticky;
  top: calc(var(--header-height) + 1rem);
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--card-bg-solid);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  box-shadow: 0 4px 14px var(--shadow-color);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, color 0.3s ease, background 0.3s ease;
}

.experience-node img {
  width: 1.5rem;
  height: 1.5rem;
  object-fit: contain;
  display: block;
}

.experience-node svg {
  width: 20px;
  height: 20px;
}

.experience-item:hover .experience-node {
  border-color: rgba(var(--accent-rgb), 0.4);
  color: var(--accent);
  box-shadow: 0 8px 22px rgba(var(--accent-rgb), 0.18);
}

/* current-role node */
.experience-node.is-current {
  border-color: rgba(var(--accent-rgb), 0.5);
  color: var(--accent);
  box-shadow:
    0 0 0 4px rgba(var(--accent-rgb), 0.08),
    0 6px 18px rgba(var(--accent-rgb), 0.25);
}

.experience-node.is-current::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  animation: experience-ping 2.2s ease-out infinite;
}

@keyframes experience-ping {
  0%   { transform: scale(0.85); opacity: 0.8; }
  70%  { transform: scale(1.25); opacity: 0; }
  100% { transform: scale(1.25); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .experience-node.is-current::after {
    animation: none;
  }
}

/* ─── Content ───────────────────────────────────────────────────── */
.experience-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem 1.25rem 1.125rem;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 0.875rem;
  backdrop-filter: blur(8px);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.experience-item:hover .experience-content {
  transform: translateX(4px);
  border-color: rgba(var(--accent-rgb), 0.22);
  box-shadow: 0 12px 30px var(--shadow-color);
}

.experience-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.experience-dates {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
}

.experience-pulse {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #34d399;
}

.experience-pulse span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
  animation: experience-dot-pulse 1.8s ease-out infinite;
}

@keyframes experience-dot-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); }
  70%  { box-shadow: 0 0 0 7px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .experience-pulse span {
    animation: none;
  }
}

.experience-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  text-transform: uppercase;
}

.experience-title {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.3;
  margin: 0;
}

.experience-company {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.experience-company-name {
  color: var(--text-primary);
  font-weight: 600;
}

.experience-dot {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* lists */
.experience-desc-list,
.experience-achievements {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.65;
}

.experience-desc-list li,
.experience-achievements li {
  position: relative;
  padding-left: 1.15rem;
}

.experience-desc-list li::before,
.experience-achievements li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: linear-gradient(135deg, rgb(var(--accent-rgb)), rgb(var(--accent-2-rgb)));
  opacity: 0.85;
}

.experience-section-label {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.8125rem;
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.experience-section-icon {
  color: rgb(var(--accent-2-rgb));
  flex-shrink: 0;
}

/* tech chips */
.experience-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}

.experience-tech {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  background: var(--hover-bg);
  border: 1px solid var(--border-subtle);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.experience-item:hover .experience-tech {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.experience-item[hidden] {
  display: none;
}

/* ─── View more ─────────────────────────────────────────────────── */
.experience-more-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.experience-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.25rem;
  border-radius: 0.5rem;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.875rem;
  font-family: inherit;
  border: 1px solid var(--border-medium);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.experience-more:hover {
  border-color: var(--border-strong);
  background: var(--hover-bg);
}

/* ─── Small screens ─────────────────────────────────────────────── */
@media (max-width: 480px) {
  .experience-item {
    grid-template-columns: 2.25rem 1fr;
    gap: 0.9rem;
  }

  .experience-node {
    width: 2.25rem;
    height: 2.25rem;
  }

  .experience-node img {
    width: 1.2rem;
    height: 1.2rem;
  }

  .experience-timeline::before {
    left: 1.125rem;
  }

  .experience-content {
    padding: 1.05rem 0.95rem 0.9rem;
  }

  .experience-title {
    font-size: 1.05rem;
  }
}