/* ── PLAYBOOK SHARED STYLES (used by all /services/*.html subpages) ── */

/* Padding rhythm scoped to .tj-playbook */
.tj-playbook .hero { padding-top: 64px; padding-bottom: 32px; }
.tj-playbook .playbook-cluster { padding: 56px 0; position: relative; }
.tj-playbook .arc.playbook-cluster-dark { padding: 64px 0; }
.tj-playbook .guardrails { padding: 48px 0; }
.tj-playbook .cta-band { padding: 56px 0; }
.tj-playbook .section-head { margin-bottom: 24px; }

@media (min-width: 880px) {
  .tj-playbook .hero { padding-top: 96px; padding-bottom: 40px; }
  .tj-playbook .playbook-cluster { padding: 80px 0; }
  .tj-playbook .arc.playbook-cluster-dark { padding: 96px 0; }
  .tj-playbook .guardrails { padding: 64px 0; }
  .tj-playbook .cta-band { padding: 80px 0; }
}

/* In-page TOC sub-nav (sticky below header) */
.playbook-toc {
  position: sticky;
  top: 64px;
  z-index: 50;
  background: rgba(251,251,247,0.86);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.playbook-toc-inner {
  display: flex;
  gap: 6px;
  padding: 10px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.playbook-toc-inner::-webkit-scrollbar { display: none; }
.playbook-toc a {
  flex: 0 0 auto;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 10px 14px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}
.playbook-toc a:hover {
  color: var(--blue);
  background: var(--blue-soft);
}
.playbook-toc a.is-active {
  color: var(--blue);
  background: var(--blue-soft);
  border-color: rgba(66,87,255,0.18);
}

/* Capabilities bullet grid */
.capability-bullets {
  display: grid;
  gap: 10px;
  margin-top: 20px;
  padding: 0;
}
@media (min-width: 720px) {
  .capability-bullets { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 28px; }
}
.capability-bullets li {
  list-style: none;
  position: relative;
  padding-left: 22px;
  font-size: 0.97rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
.capability-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 12px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
}
.color-section .capability-bullets li { color: rgba(255,255,255,0.78); }
.color-section .capability-bullets li::before { background: #fff; }

/* Step timeline (4 steps) */
.step-timeline {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}
@media (min-width: 880px) {
  .step-timeline { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
}
.step-card {
  position: relative;
  padding: 22px 22px 24px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.84);
  box-shadow: var(--shadow-sm);
}
.color-section .step-card {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.92);
}
.step-card .step-num {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--blue);
  display: block;
  margin-bottom: 10px;
}
.color-section .step-card .step-num { color: rgba(255,255,255,0.6); }
.step-card h4 {
  font-size: 1rem;
  line-height: 1.3;
  margin: 0 0 8px;
}
.step-card p {
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0;
  color: var(--ink-soft);
}
.color-section .step-card p { color: rgba(255,255,255,0.72); }

/* Use-case row */
.usecase-row {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}
@media (min-width: 880px) {
  .usecase-row { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
}
.usecase-card {
  padding: 22px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.84);
  box-shadow: var(--shadow-sm);
}
.color-section .usecase-card {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
}
.usecase-card .usecase-tag {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: block;
  margin-bottom: 10px;
}
.color-section .usecase-card .usecase-tag { color: rgba(255,255,255,0.55); }
.usecase-card h4 {
  font-size: 1.02rem;
  line-height: 1.3;
  margin: 0 0 8px;
}
.usecase-card p {
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0;
  color: var(--ink-soft);
}
.color-section .usecase-card p { color: rgba(255,255,255,0.72); }

/* FAQ list */
.faq-list { margin-top: 24px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.color-section .faq-item { border-color: rgba(255,255,255,0.10); }
.color-section .faq-item:last-child { border-bottom-color: rgba(255,255,255,0.10); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.4;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  min-height: 44px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 22px;
  line-height: 1;
  color: var(--blue);
  transition: transform 0.22s var(--ease);
  flex: 0 0 auto;
}
.color-section .faq-item summary::after { color: rgba(255,255,255,0.6); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-answer {
  padding: 0 0 22px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 70ch;
}
.color-section .faq-item .faq-answer { color: rgba(255,255,255,0.78); }

/* Service-level CTA */
.service-cta {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.service-cta a.btn-text {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  padding: 12px 18px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--line-mid);
  background: rgba(255,255,255,0.6);
  transition: all 0.2s var(--ease);
}
.service-cta a.btn-text:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-soft);
  transform: translateX(4px);
}
.color-section .service-cta a.btn-text {
  color: #fff;
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.18);
}
.color-section .service-cta a.btn-text:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.42);
}
.service-cta .arrow {
  margin-left: 8px;
  transition: transform 0.25s var(--ease);
}
.service-cta a:hover .arrow { transform: translateX(4px); }

/* Loop diagram */
.loop-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}
@media (min-width: 720px) {
  .loop-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.loop-node {
  padding: 22px 20px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  position: relative;
}
.loop-node .loop-num {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.6);
  display: block;
  margin-bottom: 8px;
}
.loop-node h4 {
  margin: 0 0 6px;
  font-size: 0.98rem;
  line-height: 1.3;
}
.loop-node p {
  margin: 0;
  font-size: 0.86rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.5;
}
@media (min-width: 720px) {
  .loop-node:not(:last-child)::after {
    content: "→";
    position: absolute;
    right: -14px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,0.4);
    font-size: 18px;
  }
}

/* Section subhead label */
.sub-label {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 36px;
  margin-bottom: 0;
}
.color-section .sub-label { color: rgba(255,255,255,0.55); }

/* Reduced-motion safety */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; filter: none !important; }
  .faq-item summary::after { transition: none; }
}