.onesource-chip {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: 50px;
  padding: .5rem 1.1rem;
  font-weight: 600;
  font-size: .92rem;
  color: var(--color-primary);
  text-decoration: none;
  transition: background .18s, box-shadow .18s, transform .18s;
}
.onesource-chip:hover {
  background: var(--color-primary-light);
  box-shadow: 0 4px 14px var(--color-shadow);
  transform: translateY(-2px);
  color: var(--color-primary);
}
.onesource-chip i[data-lucide] { width: 18px; height: 18px; flex-shrink: 0; }
.onesource-chip--muted {
  border-style: dashed;
  opacity: .7;
  font-style: italic;
}
.onesource-chip--muted:hover { opacity: 1; }

.arch-constellation {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  padding-top: 3.5rem;
  position: relative;
  isolation: isolate;
}

.arch-source-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--color-primary);
  color: #fff;
  border: 2px solid var(--color-primary-dark);
  border-radius: 50rem;
  padding: .55rem 1.3rem;
  font-size: .95rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 4px 16px var(--color-shadow);
  transition: background .18s, box-shadow .18s, transform .18s;
}
.arch-source-btn:hover {
  background: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 6px 20px var(--color-shadow);
  transform: translateY(-2px);
}
.arch-source-btn i[data-lucide] { width: 18px; height: 18px; flex-shrink: 0; }

.arch-lines-svg {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
  z-index: -1;
}
.arch-line {
  fill: none;
  stroke: var(--color-secondary);
  stroke-width: 2.2;
  stroke-linecap: round;
  opacity: .8;
}
.arch-dot {
  fill: var(--color-secondary);
  opacity: .9;
}

@media (max-width: 767px) {
  .arch-chip { opacity: 0.82; }
  .arch-chip:hover { opacity: 1; }

  #arch-chip-0 { transform: translateX(-55px); }
  #arch-chip-1 { transform: translateX(-28px); }
  #arch-chip-3 { transform: translateX(28px); }
  #arch-chip-4 { transform: translateX(55px); }
  #arch-chip-0:hover { transform: translateX(-55px) translateY(-2px); }
  #arch-chip-1:hover { transform: translateX(-28px) translateY(-2px); }
  #arch-chip-3:hover { transform: translateX(28px)  translateY(-2px); }
  #arch-chip-4:hover { transform: translateX(55px)  translateY(-2px); }
}

@media (min-width: 768px) {
  .arch-constellation {
    display: block;
    min-height: 340px;
    max-width: 900px;
    margin: 0 auto;
  }
  .arch-source-btn {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
  }
  .arch-source-btn:hover { transform: translateX(-50%) translateY(-2px); }
  .arch-chip {
    position: absolute;
    white-space: nowrap;
  }
  #arch-chip-0 { left:  0%;  top: 46%; }
  #arch-chip-1 { left: 10%;  top: 77%; }
  #arch-chip-2 { left: 37%;  top: 83%; }
  #arch-chip-3 { left: 57%;  top: 70%; }
  #arch-chip-4 { left: 76%;  top: 40%; }
}