/* ===========================
   Experience Hero
   =========================== */
.exp-hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 5rem;
}

.exp-hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.exp-hero-sub {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.scroll-indicator {
  display: flex;
  justify-content: center;
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: rotate(45deg) translateY(0); }
  40% { transform: rotate(45deg) translateY(10px); }
  60% { transform: rotate(45deg) translateY(5px); }
}

/* ===========================
   Timeline Section
   =========================== */
.timeline-section {
  --line-left: 24px;
  --dot-size: 9px;
  --content-offset: calc(var(--line-left) + 28px);
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem 2rem 6rem var(--content-offset);
}

/* Simple vertical line — positioned by JS to span first dot to last dot */
.timeline-line {
  position: absolute;
  left: calc(var(--line-left) + var(--dot-size) / 2);
  width: 1px;
  background-color: var(--color-border);
  top: 0;
  height: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* ===========================
   Each Stop
   =========================== */
.exp-stop {
  position: relative;
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.exp-stop:last-of-type {
  margin-bottom: 0;
}

.exp-stop.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Simple small dot — centered on the line */
.exp-dot {
  position: absolute;
  left: calc(-1 * (var(--content-offset) - var(--line-left)));
  top: 1.65rem;
  width: var(--dot-size);
  height: var(--dot-size);
  background-color: var(--color-border);
  border-radius: 50%;
  z-index: 5;
  transition: background-color 0.4s ease;
}

.exp-stop.visible .exp-dot {
  background-color: var(--color-accent);
}

.exp-dot--active {
  background-color: var(--color-accent);
}

/* Year label */
.exp-year {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}

/* ===========================
   Company Card
   =========================== */
.exp-company-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.exp-company-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.exp-company-card--current {
  border-color: rgba(91, 155, 245, 0.3);
}

/* Accordion button */
.exp-accordion {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  font-family: var(--font-body);
}

.exp-accordion:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.exp-accordion-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

/* Company logo */
.exp-logo {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: contain;
  flex-shrink: 0;
  background-color: var(--color-bg-elevated);
}

.exp-company {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
}

.exp-collab {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

.exp-current-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.6rem;
  background-color: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Chevron */
.exp-chevron {
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform 0.3s ease;
}

.exp-accordion.open .exp-chevron {
  transform: rotate(180deg);
}

/* ===========================
   Expandable Panel
   =========================== */
.exp-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.exp-panel.open {
  max-height: 400px;
}

.exp-role {
  padding: 0 1.5rem 1.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
}

.exp-role-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.exp-role-type {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.exp-role-desc {
  font-size: 0.85rem;
  color: var(--color-text);
  line-height: 1.65;
  margin-bottom: 0.75rem;
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.exp-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  background-color: var(--color-tag-bg);
  color: var(--color-tag-text);
  border-radius: 4px;
}

/* ===========================
   Education
   =========================== */
.education {
  padding: 5rem 0;
  border-top: 1px solid var(--color-border);
}

.education-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 2rem;
  text-align: center;
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.edu-card {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.edu-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.edu-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: contain;
  flex-shrink: 0;
  background-color: var(--color-bg-elevated);
}

.edu-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.15rem;
}

.edu-detail {
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.edu-date {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.edu-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ===========================
   CTA
   =========================== */
.exp-cta {
  text-align: center;
  padding: 4rem 0;
}

.exp-cta-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 768px) {
  .timeline-section {
    --line-left: 16px;
    --content-offset: calc(var(--line-left) + 24px);
  }

  .exp-company {
    font-size: 1rem;
  }

  .exp-logo {
    width: 28px;
    height: 28px;
  }

  .exp-accordion {
    padding: 1rem 1.25rem;
  }

  .exp-role {
    padding: 0 1.25rem 1.25rem;
  }

  .education-grid {
    grid-template-columns: 1fr;
  }

  .exp-accordion {
    min-height: 48px;
  }
}

@media (max-width: 480px) {
  .exp-hero {
    min-height: 50vh;
    padding-top: 4rem;
  }

  .exp-hero-sub {
    font-size: 0.95rem;
  }

  .timeline-section {
    --line-left: 12px;
    --content-offset: calc(var(--line-left) + 20px);
    padding-left: var(--content-offset);
    padding-right: 0.5rem;
  }

  .exp-accordion {
    padding: 0.85rem 1rem;
  }

  .exp-accordion-left {
    gap: 0.5rem;
  }

  .exp-company {
    font-size: 0.9rem;
  }

  .exp-role {
    padding: 0 1rem 1rem;
  }

  .edu-card {
    flex-direction: column;
    gap: 0.75rem;
  }
}