/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: calc(var(--header-height) - 3px);
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  z-index: 1101;
  pointer-events: none;
}

.scroll-progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  transition: width 0.1s linear;
}

/* Section map — desktop sidebar */
.section-map {
  position: fixed;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.6rem 0.4rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 44px;
  overflow: hidden;
  transition: width var(--transition), padding var(--transition);
}

.section-map:hover {
  width: 168px;
  padding: 0.75rem 0.5rem;
}

.section-map__label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gray-400);
  padding: 0 0.5rem 0.35rem;
  border-bottom: 1px solid var(--color-gray-100);
  margin-bottom: 0.25rem;
  white-space: nowrap;
  opacity: 0;
  height: 0;
  overflow: hidden;
  border: none;
  padding: 0;
  margin: 0;
  transition: all var(--transition);
}

.section-map:hover .section-map__label {
  opacity: 1;
  height: auto;
  padding: 0 0.5rem 0.35rem;
  border-bottom: 1px solid var(--color-gray-100);
  margin-bottom: 0.25rem;
}

.section-map__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition);
}

.section-map__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gray-300);
  flex-shrink: 0;
  transition: all var(--transition);
}

.section-map__name {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-gray-500);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  width: 0;
  transition: opacity var(--transition), width var(--transition);
}

.section-map:hover .section-map__name {
  opacity: 1;
  width: 110px;
}

.section-map__item--active .section-map__name {
  opacity: 0;
  width: 0;
}

.section-map:hover .section-map__item--active .section-map__name {
  opacity: 1;
  width: 110px;
}

.section-map__item:hover,
.section-map__item--active {
  background: var(--color-gray-50);
}

.section-map__item--active .section-map__dot {
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.25);
  transform: scale(1.3);
}

.section-map__item--active .section-map__name {
  color: var(--color-primary);
  font-weight: 700;
}

/* Mobile breadcrumb bar */
.section-crumb {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  z-index: 1085;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-gray-200);
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

.section-crumb__path {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-gray-500);
}

.section-crumb__path span { color: var(--color-gray-400); }
.section-crumb__current {
  font-weight: 700;
  color: var(--color-primary);
}

@media (max-width: 1280px) {
  .section-map { display: none; }
  .section-crumb { display: block; }
  body.has-section-crumb { scroll-padding-top: calc(var(--header-height) + 40px); }
}

@media (min-width: 1281px) {
  body.has-section-map .section .container {
    padding-right: clamp(2rem, 5vw, 4rem);
  }
}