/* ============================================
   EXHIBIT 05: DESIGN FOR GOOD
   design.css
   ============================================ */

/* ---- Shared exhibit utilities ---- */

.nav-current {
  color: var(--accent) !important;
}

.surface-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.exhibit-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  padding: 0.25rem 0.75rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-top: 0.75rem;
  margin-bottom: 0;
  line-height: 1.6;
}

/* ---- Content grid (essay + aside) ---- */

.content-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 5rem;
  align-items: start;
}

.content-aside {
  position: sticky;
  top: 5.5rem;
}

.pull-quote {
  border-left: 3px solid var(--accent);
  padding: 1.25rem 1.5rem;
  background: var(--card);
  border-radius: 0 10px 10px 0;
}

.pull-quote p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.pull-quote cite {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-style: normal;
}

/* ---- Principle cards (force-card pattern from science.css) ---- */

.forces-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.force-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.force-number {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}

.force-icon {
  color: var(--success);
  opacity: 0.85;
  margin-bottom: 1.25rem;
}

.force-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.force-card > p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ---- Research list ---- */

.research-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 3rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.research-card {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  transition: background var(--t-fast);
}

.research-card:last-child {
  border-bottom: none;
}

.research-card:hover {
  background: var(--card-hover);
}

.research-year {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-dim);
  line-height: 1.2;
  padding-top: 0.2rem;
}

.research-authors {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.research-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.6rem;
  line-height: 1.4;
}

.research-body p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0;
}

/* ---- Next exhibit CTA ---- */

.next-exhibit-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 6rem 0;
}

.next-exhibit-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.next-exhibit-text {
  max-width: 520px;
}

.next-exhibit-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.next-exhibit-text p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.next-exhibit-num {
  font-family: var(--font-serif);
  font-size: 10rem;
  font-weight: 900;
  line-height: 1;
  color: var(--border);
  user-select: none;
  flex-shrink: 0;
}

/* ============================================
   DESIGN THE DEFAULT INTERACTIVE
   ============================================ */

.dtd-wrapper {
  max-width: 640px;
  margin: 3rem auto 0;
}

/* ---- Intro ---- */

.dtd-intro-inner {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2.5rem;
  text-align: center;
}

.dtd-intro-note {
  font-size: 0.975rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.btn-dtd-start {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--accent);
  color: #1a1400;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background var(--t-fast);
}

.btn-dtd-start:hover {
  background: var(--accent-hover);
}

/* ---- Progress bar ---- */

.dtd-progress-track {
  height: 3px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 1.75rem;
}

.dtd-progress-fill {
  height: 100%;
  background: var(--success);
  border-radius: 100px;
  width: 0%;
  transition: width 0.5s var(--ease-out);
}

/* ---- Scenario ---- */

.dtd-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.dtd-step-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.dtd-domain {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--success);
}

.dtd-context-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.75rem;
}

.dtd-context-text {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.7;
  margin: 0;
}

.dtd-prompt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.dtd-choices {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.dtd-choice-btn {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}

.dtd-choice-btn:hover {
  border-color: var(--border-light);
  background: var(--card-hover);
  transform: translateX(3px);
}

.dtd-choice-label {
  font-size: 0.95rem;
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.4;
}

.dtd-choice-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ---- Reveal ---- */

.dtd-reveal-inner {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  animation: fadeUp 0.3s var(--ease-out);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.dtd-reveal-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.dtd-choice-echo {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  flex: 1;
}

.dtd-alignment-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.dtd-alignment-badge--ethical {
  background: var(--success-dim);
  color: var(--success);
  border: 1px solid rgba(74, 226, 138, 0.3);
}

.dtd-alignment-badge--suboptimal {
  background: rgba(255,255,255,0.04);
  color: var(--text-dim);
  border: 1px solid var(--border-light);
}

.dtd-outcome-compare {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  margin-bottom: 1.5rem;
}

.dtd-bar-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.dtd-bar-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.dtd-bar-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dtd-bar-track {
  flex: 1;
  height: 10px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
}

.dtd-bar-fill {
  height: 100%;
  border-radius: 100px;
  width: 0%;
  transition: width 0.8s var(--ease-out);
}

.dtd-bar-fill--good {
  background: var(--success);
}

.dtd-bar-fill--dim {
  background: rgba(255,255,255,0.15);
}

.dtd-bar-pct {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  width: 2.5rem;
  text-align: right;
  flex-shrink: 0;
}

.dtd-bar-pct--good {
  color: var(--success);
}

.dtd-bar-pct--dim {
  color: var(--text-dim);
}

.dtd-reveal-explanation {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.dtd-source {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.btn-dtd-next {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.5rem;
  background: none;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast);
}

.btn-dtd-next:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

/* ---- Summary ---- */

.dtd-summary-inner {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2.5rem;
  animation: fadeUp 0.4s var(--ease-out);
}

.dtd-summary-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.dtd-summary-headline {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2rem;
  line-height: 1.3;
}

.dtd-summary-impact {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.dtd-impact-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  align-items: center;
}

.dtd-impact-row:last-child {
  border-bottom: none;
}

.dtd-impact-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.dtd-impact-domain {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.2rem;
}

.dtd-impact-num {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  white-space: nowrap;
  text-align: right;
}

.dtd-impact-num--good {
  color: var(--success);
}

.dtd-impact-num--dim {
  color: var(--text-dim);
}

.dtd-summary-footer {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 2rem;
  font-style: italic;
}

.btn-dtd-restart {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.5rem;
  background: none;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast);
}

.btn-dtd-restart:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

/* ============================================
   ROGERS DIFFUSION INTERACTIVE
   ============================================ */

.dif-toggle-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  margin-bottom: 1.75rem;
}

.dif-toggle-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  border-radius: 100px;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  background: none;
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}

.dif-toggle-btn:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

.dif-toggle-btn--active {
  border-color: var(--success);
  color: var(--success);
  background: var(--success-dim);
}

.dif-chart-wrapper {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1rem;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.dif-chart {
  width: 100%;
  min-height: 300px;
  position: relative;
}

.dif-callout {
  margin-bottom: 1.75rem;
}

.dif-callout-inner {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--success);
  border-radius: 0 10px 10px 0;
  padding: 1.25rem 1.5rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 1.5rem;
  align-items: center;
}

.dif-callout-stat {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--success);
  line-height: 1.1;
  white-space: nowrap;
}

.dif-callout-finding {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0 0 0.4rem;
}

.dif-callout-source {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.dif-legend {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.dif-legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.dif-legend-swatch {
  width: 24px;
  height: 3px;
  border-radius: 2px;
  flex-shrink: 0;
}

.dif-legend-swatch--organic {
  background: repeating-linear-gradient(
    90deg,
    #7c7a8f 0px, #7c7a8f 5px,
    transparent 5px, transparent 8px
  );
}

.dif-legend-swatch--default {
  background: var(--success);
}

.dif-legend-swatch--capture {
  width: 16px;
  height: 12px;
  border-radius: 3px;
  background: rgba(74, 226, 138, 0.12);
  border: 1px solid rgba(74, 226, 138, 0.35);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .content-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .content-aside {
    position: static;
  }

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

@media (max-width: 900px) {
  .next-exhibit-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }

  .next-exhibit-num {
    font-size: 6rem;
  }
}

@media (max-width: 680px) {
  .research-card {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .dtd-choice-btn:hover {
    transform: none;
  }

  .dtd-summary-inner {
    padding: 1.75rem 1.25rem;
  }

  .dif-callout-inner {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .dif-callout-stat {
    font-size: 1.25rem;
  }

  .dif-legend {
    gap: 1rem;
  }
}