.iso-story-page {
  --iso-user: #1c79be;
  --iso-auditor: #9a6a22;
  --iso-designer: #347c68;
}

.iso-story-hero .story-hero-card {
  background:
    linear-gradient(120deg, rgba(255, 255, 255, .98), rgba(255, 255, 255, .88)),
    radial-gradient(circle at 10% 10%, rgba(20, 103, 200, .12), transparent 30%);
}

.iso-role-nav {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.iso-role-nav .perspective-link {
  min-height: 154px;
}

.iso-role-user { --iso-role-color: var(--iso-user); }
.iso-role-auditor { --iso-role-color: var(--iso-auditor); }
.iso-role-designer { --iso-role-color: var(--iso-designer); }

.iso-role-nav .perspective-link,
.iso-role-section,
.iso-case-grid article {
  border-top: 3px solid var(--iso-role-color);
}

.iso-role-nav .perspective-link strong,
.iso-role-section .story-section-index,
.iso-case-grid article > span {
  color: var(--iso-role-color);
}

.iso-status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0;
}

.iso-status-grid article {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--story-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, .72);
}

.iso-status-grid span,
.iso-case-grid article > span {
  display: block;
  margin-bottom: 8px;
  font: 800 10px/1.2 "Manrope", "Noto Sans Thai", sans-serif;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.iso-status-grid strong {
  display: block;
  color: var(--story-navy);
  font: 800 22px/1.2 "Manrope", "Noto Sans Thai", sans-serif;
}

.iso-status-grid p {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.7;
}

.iso-system-flow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 24px 0;
  padding: 18px;
  overflow-x: auto;
  border: 1px solid var(--story-line);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(20, 103, 200, .07), rgba(52, 124, 104, .06));
  scrollbar-width: thin;
}

.iso-system-flow span {
  flex: 1 0 auto;
  min-width: 92px;
  padding: 11px 13px;
  border: 1px solid rgba(20, 103, 200, .14);
  border-radius: 999px;
  color: var(--story-navy);
  background: rgba(255, 255, 255, .82);
  font: 800 11px/1.2 "Manrope", "Noto Sans Thai", sans-serif;
  text-align: center;
}

.iso-system-flow i {
  flex: 0 0 auto;
  color: var(--story-blue);
  font-style: normal;
  font-weight: 800;
}

.iso-role-question {
  margin: 22px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--iso-role-color);
  border-radius: 0 16px 16px 0;
  background: color-mix(in srgb, var(--iso-role-color) 8%, transparent);
}

.iso-role-question span {
  display: block;
  color: var(--iso-role-color);
  font: 800 10px/1.2 "Manrope", sans-serif;
  letter-spacing: .14em;
}

.iso-role-question strong {
  display: block;
  margin-top: 7px;
  color: var(--story-navy);
  font-size: 15px;
}

.iso-audit-chain {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  margin: 24px 0;
}

.iso-audit-chain article {
  min-height: 142px;
  padding: 18px;
  border: 1px solid var(--story-line);
  border-radius: 17px;
  background: rgba(255, 255, 255, .76);
}

.iso-audit-chain article > span {
  color: var(--iso-auditor);
  font: 800 11px/1 "Manrope", sans-serif;
}

.iso-audit-chain strong {
  display: block;
  margin-top: 8px;
  color: var(--story-navy);
  font-size: 16px;
}

.iso-audit-chain p {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
}

.iso-audit-chain > i {
  color: var(--iso-auditor);
  font-style: normal;
  font-weight: 800;
}

.iso-competence-cycle {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 9px;
  margin: 24px 0;
}

.iso-competence-cycle article {
  min-width: 0;
  padding: 16px 13px;
  border: 1px solid var(--story-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, .76);
}

.iso-competence-cycle article:nth-child(odd) {
  background: rgba(20, 103, 200, .055);
}

.iso-competence-cycle strong,
.iso-competence-cycle span {
  display: block;
}

.iso-competence-cycle strong {
  color: var(--story-blue);
  font: 800 12px/1.2 "Manrope", sans-serif;
}

.iso-competence-cycle span {
  margin-top: 8px;
  color: #5e6a76;
  font-size: 11px;
  line-height: 1.55;
}

.iso-case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.iso-case-grid article {
  min-width: 0;
  padding: 20px;
  border-right: 1px solid var(--story-line);
  border-bottom: 1px solid var(--story-line);
  border-left: 1px solid var(--story-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, .75);
}

.iso-case-grid h3 {
  margin: 0;
  font-size: 17px;
}

.iso-case-grid ul {
  margin: 14px 0 0;
  padding-left: 18px;
}

.iso-case-grid li {
  margin-top: 7px;
  font-size: 12px;
  line-height: 1.62;
}

.iso-role-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 22px 0;
}

.iso-role-summary strong {
  padding: 14px 12px;
  border-radius: 999px;
  color: #fff;
  background: var(--iso-user);
  font-size: 11px;
  text-align: center;
}

.iso-role-summary strong:nth-child(2) { background: var(--iso-auditor); }
.iso-role-summary strong:nth-child(3) { background: var(--iso-designer); }

.iso-myth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.iso-myth-grid article {
  position: relative;
  padding: 18px 18px 18px 48px;
  border: 1px solid var(--story-line);
  border-radius: 17px;
  background: rgba(255, 255, 255, .72);
}

.iso-myth-grid article::before {
  content: "×";
  position: absolute;
  top: 18px;
  left: 18px;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #b95656;
  font: 800 14px/1 "Manrope", sans-serif;
}

.iso-myth-grid strong {
  color: var(--story-navy);
  font-size: 13px;
}

.iso-myth-grid p {
  margin: 8px 0 0;
  font-size: 11px;
  line-height: 1.68;
}

.iso-audit-trail {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  counter-reset: iso-trail;
  list-style: none;
}

.iso-audit-trail li {
  position: relative;
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 11px 16px 11px 58px;
  border: 1px solid var(--story-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, .72);
  font-size: 12px;
  line-height: 1.55;
  counter-increment: iso-trail;
}

.iso-audit-trail li::before {
  content: counter(iso-trail, decimal-leading-zero);
  position: absolute;
  left: 16px;
  color: var(--story-blue);
  font: 800 12px/1 "Manrope", sans-serif;
}

.iso-standard-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.iso-slide-user { border-color: rgba(28, 121, 190, .45); }
.iso-slide-auditor { border-color: rgba(154, 106, 34, .45); }
.iso-slide-designer { border-color: rgba(52, 124, 104, .45); }

html[data-theme="dark"] .iso-story-hero .story-hero-card {
  background: linear-gradient(120deg, rgba(7, 27, 51, .98), rgba(9, 36, 59, .91));
}

html[data-theme="dark"] :where(.iso-status-grid article,.iso-system-flow,.iso-system-flow span,.iso-audit-chain article,.iso-competence-cycle article,.iso-case-grid article,.iso-myth-grid article,.iso-audit-trail li) {
  border-color: var(--story-line);
  background: rgba(9, 30, 50, .74);
}

html[data-theme="dark"] :where(.iso-status-grid strong,.iso-system-flow span,.iso-role-question strong,.iso-audit-chain strong,.iso-myth-grid strong) {
  color: #f2f7fc;
}

html[data-theme="dark"] :where(.iso-status-grid p,.iso-audit-chain p,.iso-competence-cycle span,.iso-case-grid li,.iso-myth-grid p,.iso-audit-trail li) {
  color: #a8b8c8;
}

@media (max-width: 1080px) {
  .iso-role-nav,
  .iso-case-grid,
  .iso-standard-cards {
    grid-template-columns: 1fr;
  }

  .iso-role-nav .perspective-link { min-height: 0; }
  .iso-competence-cycle { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .iso-status-grid,
  .iso-myth-grid,
  .iso-role-summary {
    grid-template-columns: 1fr;
  }

  .iso-audit-chain {
    grid-template-columns: 1fr;
  }

  .iso-audit-chain > i {
    justify-self: center;
    transform: rotate(90deg);
  }

  .iso-competence-cycle { grid-template-columns: 1fr; }
  .iso-system-flow { margin-inline: -2px; padding: 13px; }
  .iso-system-flow span { min-width: 86px; }
}

@media (max-height: 520px) and (orientation: landscape) {
  .presentation-slide .iso-slide-user,
  .presentation-slide .iso-slide-auditor,
  .presentation-slide .iso-slide-designer {
    padding-block: 9px;
  }
}