/* IDEAS Framework - Page-Specific Styles
   Linear flow from problem to validation
   Colors progress from cool to warm
*/

/* ===== Stage Colors ===== */
:root {
  --color-identify: #4A90A4;    /* Teal-blue - notice, observe */
  --color-develop: #6A8BAA;     /* Slate blue - foundation, research */
  --color-explore: #8B7BB5;     /* Dusty purple - creative, divergent */
  --color-assess: #D4915D;      /* Terracotta - evaluate, converge */
  --color-share: #E05252;       /* Coral - expose, validate */
}

/* ===== Insight Section ===== */
.insight-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (max-width: 900px) {
  .insight-layout {
    grid-template-columns: 1fr;
  }
}

.insight-content p {
  margin-bottom: var(--space-4);
}

.insight-pullquote {
  position: sticky;
  top: var(--space-8);
}

.insight-pullquote blockquote {
  font-size: 1.3rem;
  line-height: 1.5;
  color: var(--color-ink);
  font-style: italic;
  border-left: 4px solid var(--color-share);
  padding-left: var(--space-5);
  margin: 0;
}

/* ===== IDEAS Stages - Timeline Layout ===== */
.ideas-stages {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}

.ideas-stage {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-5);
  position: relative;
}

/* Marker column - circle + line */
.ideas-stage-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ideas-stage-letter {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  z-index: 2;
}

.ideas-stage:hover .ideas-stage-letter {
  transform: scale(1.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Connecting line */
.ideas-stage-line {
  width: 3px;
  flex: 1;
  min-height: 40px;
  background: var(--color-stone);
  opacity: 0.3;
}

/* Stage colors */
.ideas-stage[data-stage="identify"] .ideas-stage-letter { background: var(--color-identify); }
.ideas-stage[data-stage="develop"] .ideas-stage-letter { background: var(--color-develop); }
.ideas-stage[data-stage="explore"] .ideas-stage-letter { background: var(--color-explore); }
.ideas-stage[data-stage="assess"] .ideas-stage-letter { background: var(--color-assess); }
.ideas-stage[data-stage="share"] .ideas-stage-letter { background: var(--color-share); }

/* Content card */
.ideas-stage-content {
  background: var(--color-canvas);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
  border-left: 4px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.ideas-stage:hover .ideas-stage-content {
  border-left-color: currentColor;
}

.ideas-stage[data-stage="identify"]:hover .ideas-stage-content {
  border-left-color: var(--color-identify);
  background: color-mix(in srgb, var(--color-identify) 5%, var(--color-canvas));
}
.ideas-stage[data-stage="develop"]:hover .ideas-stage-content {
  border-left-color: var(--color-develop);
  background: color-mix(in srgb, var(--color-develop) 5%, var(--color-canvas));
}
.ideas-stage[data-stage="explore"]:hover .ideas-stage-content {
  border-left-color: var(--color-explore);
  background: color-mix(in srgb, var(--color-explore) 5%, var(--color-canvas));
}
.ideas-stage[data-stage="assess"]:hover .ideas-stage-content {
  border-left-color: var(--color-assess);
  background: color-mix(in srgb, var(--color-assess) 5%, var(--color-canvas));
}
.ideas-stage[data-stage="share"]:hover .ideas-stage-content {
  border-left-color: var(--color-share);
  background: color-mix(in srgb, var(--color-share) 5%, var(--color-canvas));
}

.ideas-stage-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0 0 var(--space-1) 0;
}

.ideas-stage[data-stage="identify"] .ideas-stage-title { color: var(--color-identify); }
.ideas-stage[data-stage="develop"] .ideas-stage-title { color: var(--color-develop); }
.ideas-stage[data-stage="explore"] .ideas-stage-title { color: var(--color-explore); }
.ideas-stage[data-stage="assess"] .ideas-stage-title { color: var(--color-assess); }
.ideas-stage[data-stage="share"] .ideas-stage-title { color: var(--color-share); }

.ideas-stage-focus {
  font-size: 1rem;
  font-weight: 500;
  margin: 0 0 var(--space-3) 0;
  font-style: italic;
}

.ideas-stage[data-stage="identify"] .ideas-stage-focus { color: var(--color-identify); }
.ideas-stage[data-stage="develop"] .ideas-stage-focus { color: var(--color-develop); }
.ideas-stage[data-stage="explore"] .ideas-stage-focus { color: var(--color-explore); }
.ideas-stage[data-stage="assess"] .ideas-stage-focus { color: var(--color-assess); }
.ideas-stage[data-stage="share"] .ideas-stage-focus { color: var(--color-share); }

.ideas-stage-desc {
  margin: 0;
  color: var(--color-ink);
  line-height: 1.6;
  font-size: 1rem;
}

@media (max-width: 600px) {
  .ideas-stage {
    grid-template-columns: 50px 1fr;
    gap: var(--space-3);
  }

  .ideas-stage-letter {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }
}

/* ===== Flow Visual ===== */
.flow-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-parchment);
  border-radius: var(--radius-lg);
}

.flow-step {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.flow-label {
  font-weight: 600;
  color: var(--color-ink);
  padding: var(--space-2) var(--space-4);
  background: var(--color-canvas);
  border-radius: var(--radius-md);
}

.flow-arrow {
  font-size: 1.5rem;
  color: var(--color-stone);
}

/* ===== Stage Cards (Deep Dive) ===== */
.stage-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .stage-cards {
    grid-template-columns: 1fr;
  }
}

/* Make share card span full width */
.stage-card:nth-child(5) {
  grid-column: 1 / -1;
}

.stage-card {
  background: var(--color-canvas);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--color-stone);
}

.stage-card--identify { border-top-color: var(--color-identify); }
.stage-card--develop { border-top-color: var(--color-develop); }
.stage-card--explore { border-top-color: var(--color-explore); }
.stage-card--assess { border-top-color: var(--color-assess); }
.stage-card--share { border-top-color: var(--color-share); }

.stage-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.stage-card-letter {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
}

.stage-card--identify .stage-card-letter { background: var(--color-identify); }
.stage-card--develop .stage-card-letter { background: var(--color-develop); }
.stage-card--explore .stage-card-letter { background: var(--color-explore); }
.stage-card--assess .stage-card-letter { background: var(--color-assess); }
.stage-card--share .stage-card-letter { background: var(--color-share); }

.stage-card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
}

.stage-card--identify .stage-card-title { color: var(--color-identify); }
.stage-card--develop .stage-card-title { color: var(--color-develop); }
.stage-card--explore .stage-card-title { color: var(--color-explore); }
.stage-card--assess .stage-card-title { color: var(--color-assess); }
.stage-card--share .stage-card-title { color: var(--color-share); }

.stage-card-subtitle {
  font-size: 1rem;
  font-style: italic;
  color: var(--color-stone);
  margin: 0 0 var(--space-4) 0;
}

.stage-card-list {
  margin: 0 0 var(--space-4) 0;
  padding-left: var(--space-4);
  color: var(--color-ink);
}

.stage-card-list li {
  margin-bottom: var(--space-3);
  line-height: 1.6;
}

.stage-card-note {
  margin: 0;
  padding: var(--space-3) var(--space-4);
  background: var(--color-parchment);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-stone);
}

/* ===== Traps Section ===== */
.traps-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (max-width: 900px) {
  .traps-layout {
    grid-template-columns: 1fr;
  }
}

.trap-item {
  margin-bottom: var(--space-6);
}

.trap-item:last-child {
  margin-bottom: 0;
}

.trap-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-ink);
  margin: 0 0 var(--space-2) 0;
}

.trap-item p {
  margin: 0;
  color: var(--color-stone);
  line-height: 1.6;
}

.traps-sidebar {
  position: sticky;
  top: var(--space-8);
}

.sidebar-card {
  background: var(--color-parchment);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-share);
}

.sidebar-card h4 {
  margin: 0 0 var(--space-4) 0;
  color: var(--color-ink);
}

.sidebar-card ul {
  margin: 0;
  padding-left: var(--space-4);
  color: var(--color-stone);
}

.sidebar-card li {
  margin-bottom: var(--space-2);
}

/* ===== Use Cases ===== */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

@media (max-width: 600px) {
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
}

.use-case {
  padding: var(--space-4);
  background: var(--color-canvas);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-identify);
}

.use-case:nth-child(2) { border-left-color: var(--color-develop); }
.use-case:nth-child(3) { border-left-color: var(--color-assess); }
.use-case:nth-child(4) { border-left-color: var(--color-share); }

.use-case h4 {
  margin: 0 0 var(--space-2) 0;
  font-size: 1rem;
  color: var(--color-ink);
}

.use-case p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-stone);
  line-height: 1.5;
}