/* ==========================================================================
   CIPHER KNIGHTS — CONTENT SYSTEM
   Long-form editorial pages, AEO answer blocks, FAQ accordions, article
   listings and the consultation booking form.
   Brand blue: #005DAA (fills) / #4DA3E8 (accent text on dark).
   ========================================================================== */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--accent-green);
  color: var(--on-accent);
  padding: 12px 20px;
  font-weight: 700;
}
.skip-link:focus { left: 0; }

/* --- shared rhythm ------------------------------------------------------ */
.ck-section       { padding: 80px 0; }
.ck-section-alt   { background: var(--brand-near-black); border-top: 1px solid var(--brand-border); }
.ck-section-tight { padding: 56px 0; }

.ck-eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-on-dark);
  margin-bottom: 14px;
  font-family: var(--font-mono);
}

.ck-lede {
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 68ch;
}

/* --- breadcrumbs -------------------------------------------------------- */
.ck-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
}
.ck-breadcrumb li { display: flex; align-items: center; gap: 8px; }
.ck-breadcrumb a { color: var(--accent-on-dark); text-decoration: none; }
.ck-breadcrumb a:hover { text-decoration: underline; }
.ck-breadcrumb .sep { color: var(--brand-border-light); }
.ck-breadcrumb [aria-current="page"] { color: var(--text-primary); }

/* --- AEO answer block ---------------------------------------------------
   The quotable paragraph. Deliberately near the top, visually distinct, and
   mirrored into FAQPage structured data so answer engines lift it cleanly. */
.answer-box {
  background: var(--brand-near-black);
  border: 1px solid var(--brand-border);
  border-left: 4px solid var(--accent-green);
  padding: 30px 34px;
  margin: 0 0 44px;
  max-width: 78ch;
}
.answer-box-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-on-dark);
  font-family: var(--font-mono);
  margin-bottom: 12px;
  display: block;
}
.answer-box h2,
.answer-box .answer-q {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 12px;
  line-height: 1.35;
}
.answer-box p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0;
}

/* --- table of contents -------------------------------------------------- */
.ck-toc {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  padding: 24px 28px;
  margin-bottom: 44px;
}
.ck-toc-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 14px;
  font-family: var(--font-mono);
}
.ck-toc ol { margin: 0; padding-left: 20px; color: var(--text-muted); }
.ck-toc li { margin-bottom: 8px; font-size: 14px; }
.ck-toc a { color: var(--text-secondary); text-decoration: none; }
.ck-toc a:hover { color: var(--accent-on-dark); text-decoration: underline; }

/* --- long-form body copy ------------------------------------------------ */
.prose { max-width: 72ch; }
.prose h2,
.prose .article-h2 {
  font-size: clamp(1.45rem, 2.4vw, 1.9rem);
  font-weight: 400;
  line-height: 1.3;
  color: var(--text-primary);
  margin: 56px 0 18px;
  letter-spacing: -0.01em;
  scroll-margin-top: calc(var(--nav-height) + 20px);
}
.prose h2:first-child, .prose .article-h2:first-child { margin-top: 0; }
.prose h3,
.prose .article-h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 34px 0 12px;
}
.prose p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.prose a { color: var(--accent-on-dark); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--text-primary); }
.prose strong { color: var(--text-primary); font-weight: 600; }

.prose ul, .prose ol, .article-list {
  margin: 0 0 24px 0;
  padding-left: 0;
  list-style: none;
}
.prose ol.article-list { counter-reset: ckcount; }
.prose li, .article-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  font-size: 0.97rem;
  line-height: 1.75;
  color: var(--text-secondary);
}
.prose ul li::before, ul.article-list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--accent-green);
  border-radius: 1px;
}
.prose ol li, ol.article-list li { counter-increment: ckcount; }
.prose ol li::before, ol.article-list li::before {
  content: counter(ckcount) '.';
  position: absolute;
  left: 0;
  color: var(--accent-on-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  top: 0.25em;
}

.article-quote, .prose blockquote {
  border-left: 3px solid var(--accent-green);
  padding: 4px 0 4px 24px;
  margin: 32px 0;
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-primary);
  font-weight: 300;
}

/* --- key-points panel beside body sections ------------------------------ */
.section-block { margin-bottom: 8px; }
.checklist { margin: 22px 0 0; padding: 0; list-style: none; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--brand-border);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
}
.checklist li:last-child { border-bottom: none; }
.checklist-mark {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border-radius: 50%;
  background: rgba(0, 93, 170, 0.18);
  border: 1px solid rgba(0, 93, 170, 0.55);
  color: var(--accent-on-dark);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- FAQ accordion ------------------------------------------------------ */
.faq-list { max-width: 78ch; border-top: 1px solid var(--brand-border); }
.faq-item { border-bottom: 1px solid var(--brand-border); }
.faq-item > summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 44px 22px 0;
  position: relative;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  transition: color var(--transition-fast);
}
.faq-item > summary::-webkit-details-marker { display: none; }
.faq-item > summary:hover { color: var(--accent-on-dark); }
.faq-item > summary::after {
  content: '+';
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 300;
  color: var(--accent-on-dark);
  transition: transform var(--transition-base);
}
.faq-item[open] > summary::after { content: '−'; }
.faq-answer {
  padding: 0 44px 26px 0;
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--text-secondary);
  max-width: 70ch;
}

/* --- related links ------------------------------------------------------ */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--brand-border);
}
.related-card {
  background: var(--brand-black);
  padding: 30px 28px;
  text-decoration: none;
  display: block;
  transition: background var(--transition-base);
}
.related-card:hover { background: var(--brand-card); }
.related-card-cat {
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-on-dark);
  display: block;
  margin-bottom: 10px;
}
.related-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.35;
}
.related-card-blurb {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- article listing ---------------------------------------------------- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding-bottom: 28px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--brand-border);
}
.filter-chip {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 8px 16px;
  border: 1px solid var(--brand-border-light);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.filter-chip:hover { border-color: var(--accent-green); color: var(--text-primary); }
.filter-chip.active {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: var(--on-accent);
}
.filter-search {
  margin-left: auto;
  display: flex;
  gap: 8px;
}
.filter-search input {
  background: var(--brand-card);
  border: 1px solid var(--brand-border-light);
  color: var(--text-primary);
  padding: 9px 14px;
  font-family: inherit;
  font-size: 13px;
  min-width: 200px;
}
.filter-search input:focus { outline: 2px solid var(--accent-green); outline-offset: 1px; }

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}
.article-card {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: border-color var(--transition-base), transform var(--transition-base);
}
.article-card:hover { border-color: var(--accent-green); transform: translateY(-2px); }
.article-card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--brand-panel);
}
.article-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.article-card-body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.article-card-meta {
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-on-dark);
  margin-bottom: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.article-card-meta .dim { color: var(--text-muted); }
.article-card-title {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.article-card-summary {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
  flex: 1;
}
.article-card-more {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-on-dark);
}

.article-featured {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  border: 1px solid var(--brand-border);
  margin-bottom: 48px;
  text-decoration: none;
  background: var(--brand-card);
  transition: border-color var(--transition-base);
}
.article-featured:hover { border-color: var(--accent-green); }
.article-featured img { width: 100%; height: 100%; object-fit: cover; display: block; min-height: 280px; }
.article-featured-body { padding: 44px 46px; align-self: center; }
@media (max-width: 860px) {
  .article-featured { grid-template-columns: 1fr; }
  .article-featured-body { padding: 32px 28px; }
}

.ck-empty {
  border: 1px dashed var(--brand-border-light);
  padding: 60px 40px;
  text-align: center;
  color: var(--text-muted);
}

/* --- pagination --------------------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 56px;
  flex-wrap: wrap;
}
.pagination a, .pagination span {
  min-width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border: 1px solid var(--brand-border-light);
  color: var(--text-secondary);
  font-size: 13px;
  text-decoration: none;
  transition: all var(--transition-fast);
}
.pagination a:hover { border-color: var(--accent-green); color: var(--text-primary); }
.pagination .current {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: var(--on-accent);
  font-weight: 700;
}

/* --- article detail ----------------------------------------------------- */
.article-hero {
  position: relative;
  padding: 34px 0 32px;
  border-bottom: 1px solid var(--brand-border);
  overflow: hidden;
}
.article-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0.42;
}
/* Scrim over the photograph rather than dimming the photograph itself, so the
   image keeps its contrast while the text keeps its legibility. */
.article-hero::after {
  content: '';
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(100deg, rgba(10,10,10,0.90) 0%, rgba(10,10,10,0.70) 48%, rgba(10,10,10,0.42) 100%);
}
.article-hero-inner { position: relative; z-index: 2; }
.article-hero h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 22ch;
  margin-bottom: 20px;
}
.article-byline {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--brand-border);
}
.article-byline strong { color: var(--text-secondary); font-weight: 600; }

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 64px;
  align-items: start;
}
@media (max-width: 1000px) { .article-layout { grid-template-columns: 1fr; gap: 48px; } }

.article-aside {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  display: flex;
  flex-direction: column;
  gap: 24px;
}
@media (max-width: 1000px) { .article-aside { position: static; } }
.aside-card {
  background: var(--brand-card);
  border: 1px solid var(--brand-border);
  padding: 26px 24px;
}
.aside-card h3 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-family: var(--font-mono);
}
.aside-card ul { list-style: none; padding: 0; margin: 0; }
.aside-card li { margin-bottom: 12px; font-size: 13px; line-height: 1.55; }
.aside-card a { color: var(--text-secondary); text-decoration: none; }
.aside-card a:hover { color: var(--accent-on-dark); }
.aside-cta {
  background: linear-gradient(160deg, rgba(0,93,170,0.22), rgba(0,93,170,0.05));
  border: 1px solid rgba(0, 93, 170, 0.5);
  padding: 26px 24px;
}
.aside-cta p { font-size: 13px; line-height: 1.65; color: var(--text-secondary); margin-bottom: 18px; }

.topic-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 20px; }
.topic-tag {
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 11px;
  border: 1px solid var(--brand-border-light);
  color: var(--text-muted);
  text-decoration: none;
}
.topic-tag:hover { border-color: var(--accent-green); color: var(--accent-on-dark); }

/* --- case study specifics ---------------------------------------------- */
.cs-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--brand-border);
  margin-bottom: 48px;
  border: 1px solid var(--brand-border);
}
.cs-fact { background: var(--brand-near-black); padding: 22px 24px; }
.cs-fact-label {
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-on-dark);
  margin-bottom: 7px;
}
.cs-fact-val { font-size: 15px; font-weight: 600; color: var(--text-primary); line-height: 1.4; }

.cs-stage { margin-bottom: 48px; }
.cs-stage-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border: 1px solid var(--accent-green);
  color: var(--accent-on-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 16px;
}

/* --- booking page ------------------------------------------------------- */
.booking-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
  gap: 56px;
  align-items: start;
}
@media (max-width: 940px) { .booking-layout { grid-template-columns: 1fr; gap: 44px; } }

.booking-form { background: var(--brand-card); border: 1px solid var(--brand-border); padding: 38px 40px; }
@media (max-width: 560px) { .booking-form { padding: 28px 22px; } }

.field { margin-bottom: 22px; }
.field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.field .req { color: var(--accent-on-dark); }
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea {
  width: 100%;
  background: var(--brand-black);
  border: 1px solid var(--brand-border-light);
  color: var(--text-primary);
  padding: 13px 15px;
  font-family: inherit;
  font-size: 14px;
  transition: border-color var(--transition-fast);
}
.field textarea { min-height: 120px; resize: vertical; line-height: 1.6; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(0, 93, 170, 0.25);
}
.field .hint { font-size: 12px; color: var(--text-muted); margin-top: 6px; line-height: 1.5; }
.field .error-text { font-size: 12px; color: #FF6B6B; margin-top: 6px; }
.field.has-error input, .field.has-error select { border-color: #FF6B6B; }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; gap: 0; } }

.slot-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.slot-option { position: relative; }
.slot-option input { position: absolute; opacity: 0; width: 0; height: 0; }
.slot-option span {
  display: block;
  text-align: center;
  padding: 12px 8px;
  border: 1px solid var(--brand-border-light);
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.slot-option input:checked + span {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: var(--on-accent);
  font-weight: 600;
}
.slot-option input:focus-visible + span { outline: 2px solid var(--accent-on-dark); outline-offset: 2px; }

.consent-row { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 26px; }
.consent-row input { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--accent-green); }
.consent-row label { font-size: 13px; color: var(--text-muted); line-height: 1.6; text-transform: none; letter-spacing: 0; font-weight: 400; }

.booking-success {
  background: rgba(0, 93, 170, 0.12);
  border: 1px solid var(--accent-green);
  border-left: 4px solid var(--accent-green);
  padding: 30px 34px;
  margin-bottom: 40px;
}
.booking-success h2 { font-size: 1.3rem; font-weight: 600; margin-bottom: 10px; }
.booking-ref {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-on-dark);
  letter-spacing: 0.06em;
}

.calendly-inline-widget {
  min-width: 320px;
  height: 760px;
  border: 1px solid var(--brand-border);
  background: var(--brand-card);
}
.calendly-fallback {
  padding: 30px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

.contact-panel { background: var(--brand-near-black); border: 1px solid var(--brand-border); padding: 32px 30px; }
.contact-panel h2 { font-size: 1.15rem; font-weight: 600; margin-bottom: 18px; }
.contact-line { display: flex; gap: 12px; align-items: flex-start; padding: 13px 0; border-bottom: 1px solid var(--brand-border); font-size: 14px; }
.contact-line:last-child { border-bottom: none; }
.contact-line .k { color: var(--text-muted); min-width: 74px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; padding-top: 2px; }
.contact-line .v { color: var(--text-primary); }
.contact-line a { color: var(--accent-on-dark); text-decoration: none; }
.contact-line a:hover { text-decoration: underline; }

/* --- utility ------------------------------------------------------------ */
.stack-24 > * + * { margin-top: 24px; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mw-640 { max-width: 640px; }
.cta-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.cta-row.centered { justify-content: center; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}