@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;700&family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;600;700&display=swap');

/* Parts  -  light blueprint */
.ms-parts {
  --ms-bg: #e8eef6;
  --ms-text: #0b1220;
  --ms-muted: #4a5568;
  --ms-accent: #4cc9f0;
  --ms-accent-text: #0b1220;
  --ms-surface: #fff;
  --ms-border: #9bb8d9;
  --ms-nav-bg: rgba(232, 238, 246, 0.96);
  --ms-display: "Space Grotesk", sans-serif;
  --ms-body: "IBM Plex Sans", sans-serif;
  --ms-mono: "IBM Plex Mono", monospace;
  --ms-hotspot-ring: rgba(76, 201, 240, 0.55);
  --ms-hotspot-radius: 0;
  --ms-urgency: #f72585;
  --ms-ui-radius: 0;
  background-color: var(--ms-bg);
  background-image:
    linear-gradient(rgba(76, 201, 240, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76, 201, 240, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(76, 201, 240, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76, 201, 240, 0.04) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
}

.pt-hero {
  max-width: 860px;
  margin: 0 auto;
  padding: 3rem 1.25rem 2rem;
  position: relative;
}

.pt-hero::before {
  content: '';
  position: absolute;
  top: 2rem;
  left: 1.25rem;
  right: 1.25rem;
  height: calc(100% - 2rem);
  border: 1px dashed var(--ms-border);
  pointer-events: none;
  opacity: 0.5;
}

.pt-urgency {
  display: inline-block;
  background: var(--ms-urgency);
  color: #fff;
  font-family: var(--ms-mono);
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.3rem 0.75rem;
  letter-spacing: 0.14em;
  margin-bottom: 1rem;
  animation: pt-blink 2s step-end infinite;
}

@keyframes pt-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.pt-hero h1 {
  font-family: var(--ms-display);
  font-size: clamp(1.9rem, 4.5vw, 2.8rem);
  margin: 0 0 0.85rem;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.pt-hero p {
  color: var(--ms-muted);
  font-size: 1.02rem;
  max-width: 36rem;
  line-height: 1.6;
}

.pt-blueprint {
  max-width: 940px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2.5rem;
}

.pt-blueprint h2 {
  font-family: var(--ms-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ms-accent);
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pt-blueprint h2::before,
.pt-blueprint h2::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--ms-border);
}

.pt-blueprint .ms-hotspot-wrap {
  border: 2px dashed var(--ms-border);
  padding: 0.65rem;
  background: rgba(255, 255, 255, 0.85);
  position: relative;
}

.pt-blueprint .ms-hotspot-wrap::before {
  content: 'DWG-001 / PART CALLOUTS';
  position: absolute;
  top: 0.5rem;
  left: 0.65rem;
  font-family: var(--ms-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--ms-muted);
  z-index: 1;
  background: rgba(255, 255, 255, 0.9);
  padding: 0.15rem 0.4rem;
}

.pt-blueprint .ms-hotspot-wrap img {
  margin-top: 1.25rem;
}

.pt-grid {
  display: grid;
  gap: 0.85rem;
  max-width: 940px;
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
}

@media (min-width: 640px) {
  .pt-grid { grid-template-columns: repeat(2, 1fr); }
}

.pt-grid article {
  background: var(--ms-surface);
  padding: 1.15rem;
  border-left: 4px solid var(--ms-urgency);
  font-size: 0.88rem;
  position: relative;
  box-shadow: 2px 2px 0 var(--ms-border);
}

.pt-grid article::before {
  content: attr(data-ref);
  position: absolute;
  top: 0.5rem;
  right: 0.65rem;
  font-family: var(--ms-mono);
  font-size: 0.6rem;
  color: var(--ms-muted);
  opacity: 0.6;
}

.pt-grid h3 {
  margin: 0 0 0.35rem;
  font-family: var(--ms-display);
  font-size: 0.92rem;
}

.pt-grid p {
  margin: 0;
  color: var(--ms-muted);
  line-height: 1.5;
}

.pt-ui {
  max-width: 940px;
  margin: 0 auto;
  padding: 0 1.25rem 2rem;
}

.pt-ui .ms-ui-shot {
  border: 2px dashed var(--ms-border);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.85);
}

.ms-parts .ms-www {
  max-width: 940px;
  padding: 0 1.25rem 2rem;
}

.ms-parts .ms-www > div {
  padding: 1rem;
  border: 1px dashed var(--ms-border);
  background: rgba(255, 255, 255, 0.7);
}

.ms-parts .ms-columns {
  max-width: 940px;
}

.ms-parts .ms-col {
  border-radius: 0;
  border: 1px solid var(--ms-border);
  border-left: 3px solid var(--ms-accent);
  background: rgba(255, 255, 255, 0.85);
}

.ms-parts .ms-pullquote {
  max-width: 720px;
  margin: 2rem auto;
  border: 1px dashed var(--ms-border);
  border-left: 4px solid var(--ms-urgency);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.9);
  font-family: var(--ms-mono);
  font-size: 0.92rem;
}

.ms-parts .ms-face-block img {
  border-radius: 0;
  border: 2px solid var(--ms-border);
}

.ms-parts .ms-signup {
  border-radius: 0;
  border: 2px solid var(--ms-border);
  background: rgba(255, 255, 255, 0.95);
}

.pt-walk {
  max-width: 940px;
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
}

.pt-walk h2 {
  font-family: var(--ms-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ms-accent);
  margin: 0 0 1rem;
}

.pt-walk ol {
  display: grid;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pt-step;
}

@media (min-width: 640px) {
  .pt-walk ol { grid-template-columns: repeat(3, 1fr); }
}

.pt-walk li {
  counter-increment: pt-step;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px dashed var(--ms-border);
  border-left: 3px solid var(--ms-urgency);
}

.pt-walk li::before {
  content: 'REF-' counter(pt-step, decimal-leading-zero);
  display: block;
  font-family: var(--ms-mono);
  font-size: 0.65rem;
  color: var(--ms-muted);
  margin-bottom: 0.35rem;
}

.pt-walk h3 { margin: 0 0 0.3rem; font-size: 0.92rem; }
.pt-walk p { margin: 0; font-size: 0.85rem; color: var(--ms-muted); }