.email-signal-section {
  padding: 58px 0;
  background: #f8fafc;
  border-bottom: 1px solid #e5e7eb;
}

.email-signal-grid,
.deliverable-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.email-signal-card,
.deliverable-card,
.case-card {
  padding: 26px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
}

.email-signal-card i,
.deliverable-card i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border-radius: 12px;
  background: rgba(245, 180, 0, 0.14);
  color: #b77900;
}

.email-signal-card h2,
.deliverable-card h3,
.case-card h3 {
  margin: 0 0 10px;
  color: #0f172a;
  font-size: 20px;
}

.email-signal-card h2 {
  font-size: 19px;
}

.email-signal-card p,
.deliverable-card p,
.case-card p {
  margin: 0;
  color: #5b6473;
  line-height: 1.7;
}

.email-signal-card .text-link {
  display: inline-block;
  margin-top: 14px;
  color: #8a5c00;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.email-signal-card .text-link:hover {
  text-decoration: underline;
}

.audit-callout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr);
  gap: 34px;
  align-items: center;
  padding: 40px;
  border-radius: 18px;
  background: #0f172a;
  color: #ffffff;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.18);
}

.audit-callout .section-kicker,
.case-card .case-kicker {
  display: block;
  margin-bottom: 10px;
  color: #f5b400;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.audit-callout h2 {
  margin: 0 0 12px;
  color: #ffffff;
  font-size: clamp(28px, 4vw, 40px);
}

.audit-callout p {
  margin: 0;
  color: #cbd5e1;
  line-height: 1.75;
}

.audit-callout-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.audit-callout-actions a {
  justify-content: center;
  text-align: center;
}

.platform-band {
  padding: 34px 0;
  background: #fff8e6;
  border-top: 1px solid #f3dfaa;
  border-bottom: 1px solid #f3dfaa;
}

.platform-band p {
  margin: 0;
  color: #5b4a20;
  line-height: 1.8;
  text-align: center;
}

.platform-band strong {
  color: #0f172a;
}

.case-card {
  position: relative;
  border-top: 4px solid #f5b400;
}

.case-card .case-result {
  display: block;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid #e5e7eb;
  color: #0f172a;
  font-weight: 700;
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-list details {
  margin-bottom: 14px;
  padding: 0 22px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
}

.faq-list summary {
  position: relative;
  padding: 20px 34px 20px 0;
  color: #0f172a;
  font-weight: 750;
  line-height: 1.45;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 18px;
  color: #b77900;
  font-size: 24px;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  margin: 0;
  padding: 0 0 20px;
  color: #5b6473;
  line-height: 1.75;
}

.service-cta-band {
  padding: 70px 0;
  background: #f8fafc;
  text-align: center;
}

.service-cta-band h2 {
  margin-bottom: 12px;
  color: #0f172a;
  font-size: clamp(28px, 4vw, 40px);
}

.service-cta-band p {
  max-width: 700px;
  margin: 0 auto 24px;
  color: #5b6473;
  line-height: 1.7;
}

.service-cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.service-cta-actions .cta-secondary {
  color: #0f172a;
  border-color: #0f172a;
}

.service-cta-actions .cta-secondary:hover {
  background: #0f172a;
  color: #ffffff;
}

.guide-hero .hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: 54px;
  align-items: center;
}

.answer-card {
  padding: 30px;
  background: #ffffff;
  border-top: 4px solid #f5b400;
  border-radius: 14px;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.16);
}

.answer-card .answer-label {
  display: block;
  margin-bottom: 10px;
  color: #9a6700;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.answer-card h2 {
  margin: 0 0 12px;
  color: #0f172a;
  font-size: 24px;
}

.answer-card p {
  margin: 0;
  color: #4b5563;
  line-height: 1.75;
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: 54px;
  align-items: start;
}

.guide-content {
  min-width: 0;
}

.guide-content > section {
  margin-bottom: 72px;
  scroll-margin-top: 90px;
}

.guide-content h2 {
  margin: 0 0 16px;
  color: #0f172a;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.08;
}

.guide-content h3 {
  margin: 0 0 8px;
  color: #0f172a;
  font-size: 20px;
}

.guide-content > section > p,
.guide-content li {
  color: #4b5563;
  line-height: 1.8;
}

.guide-toc {
  position: sticky;
  top: 92px;
  padding: 24px;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
}

.guide-toc strong {
  display: block;
  margin-bottom: 12px;
  color: #0f172a;
}

.guide-toc a {
  display: block;
  padding: 8px 0;
  color: #4b5563;
  font-size: 14px;
  text-decoration: none;
}

.guide-toc a:hover {
  color: #9a6700;
}

.diagnostic-table-wrap {
  overflow-x: auto;
  margin-top: 26px;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
}

.diagnostic-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: #ffffff;
}

.diagnostic-table th,
.diagnostic-table td {
  padding: 16px 18px;
  border-bottom: 1px solid #e5e7eb;
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
}

.diagnostic-table th {
  background: #0f172a;
  color: #ffffff;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.diagnostic-table td {
  color: #4b5563;
}

.diagnostic-table tr:last-child td {
  border-bottom: 0;
}

.cause-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.cause-item {
  padding: 24px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
}

.cause-number {
  display: block;
  margin-bottom: 12px;
  color: #b77900;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.cause-item p {
  margin: 0;
  color: #5b6473;
  line-height: 1.7;
}

.diagnostic-checklist {
  counter-reset: diagnostic-step;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.diagnostic-checklist li {
  position: relative;
  margin-bottom: 16px;
  padding: 20px 22px 20px 70px;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
}

.diagnostic-checklist li::before {
  counter-increment: diagnostic-step;
  content: counter(diagnostic-step, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: 20px;
  color: #b77900;
  font-weight: 800;
}

.provider-guidance {
  padding: 28px;
  background: #fff8e6;
  border-left: 4px solid #f5b400;
  border-radius: 0 12px 12px 0;
}

.provider-guidance p {
  margin: 0 0 12px;
  color: #5b4a20;
  line-height: 1.75;
}

.provider-guidance p:last-child {
  margin-bottom: 0;
}

.provider-guidance a {
  color: #6f4b00;
  font-weight: 700;
}

.avoid-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.avoid-list li {
  position: relative;
  padding: 20px 20px 20px 48px;
  background: #fff7f7;
  border: 1px solid #f2d1d1;
  border-radius: 12px;
}

.avoid-list li::before {
  content: "×";
  position: absolute;
  left: 19px;
  top: 15px;
  color: #b42318;
  font-size: 25px;
  font-weight: 700;
}

.inline-service-card {
  padding: 32px;
  background: #0f172a;
  border-radius: 16px;
  color: #ffffff;
}

.inline-service-card h2 {
  color: #ffffff;
}

.inline-service-card p {
  color: #cbd5e1 !important;
}

.inline-service-card .service-cta-actions {
  justify-content: flex-start;
  margin-top: 22px;
}

.inline-service-card .cta-secondary {
  color: #ffffff;
  border-color: #ffffff;
}

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

  .guide-toc {
    position: static;
    order: -1;
  }
}

@media (max-width: 650px) {
  .cause-list,
  .avoid-list {
    grid-template-columns: 1fr;
  }

  .answer-card,
  .inline-service-card {
    padding: 24px;
  }

  .guide-content > section {
    margin-bottom: 54px;
  }
}

@media (max-width: 900px) {
  .email-signal-grid,
  .deliverable-grid,
  .case-grid,
  .audit-callout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .email-signal-section,
  .service-cta-band {
    padding: 46px 0;
  }

  .audit-callout {
    padding: 28px 22px;
  }

  .email-signal-card,
  .deliverable-card,
  .case-card {
    padding: 22px;
  }
}