/**
 * Case Study — Refined Corporate Authority
 *
 * Design: Centered, spacious, confident. Inter at every weight.
 * Audience: Enterprise IT executives.
 * Principle: Every element earns its place.
 *
 * @package TAC
 * @since   1.6.0
 */

/* ═══════════════════════════════════════
   TOKENS
   ═══════════════════════════════════════ */
.entry-content--case-study {
  --navy: #0f172a;
  --navy-90: #1e293b;
  --navy-70: #334155;
  --emerald: #10b981;
  --emerald-deep: #064e3b;
  --cream: #f9fafb;
  --white: #ffffff;
  --text: #1e293b;
  --text-2: #475569;
  --text-3: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --red: #dc2626;
  --red-bg: #fef2f2;
  --red-border: #fecaca;
  --amber: #d97706;
  --amber-bg: #fffbeb;
  --amber-border: #fde68a;
  --blue: #2563eb;
  --blue-bg: #eff6ff;
  --blue-border: #bfdbfe;
  --green: #16a34a;
  --green-bg: #f0fdf4;
  --green-border: #bbf7d0;
  --font: var(--font-primary, 'Inter', -apple-system, sans-serif);
  --w-content: 860px;
  --w-wide: 1060px;
  --gap: 64px;
}

/* ═══════════════════════════════════════
   FOUNDATION
   ═══════════════════════════════════════ */
.entry-content--case-study {
  overflow-x: hidden;
  background: var(--cream);
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  padding-bottom: 80px;
  text-align: center;
}

/* Default: center everything in a content column */
.entry-content--case-study > * {
  max-width: var(--w-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Full-bleed elements */
.entry-content--case-study > .alignfull {
  max-width: none;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  padding-left: 0;
  padding-right: 0;
}

/* Wide elements */
.entry-content--case-study > .alignwide,
.entry-content--case-study > .wp-block-columns.cs-comparison,
.entry-content--case-study > .wp-block-table,
.entry-content--case-study > .cs-callout,
.entry-content--case-study > .cs-timeline {
  max-width: var(--w-wide);
}

/* Custom HTML blocks have their own padding */
.entry-content--case-study > .cs-callout,
.entry-content--case-study > .cs-timeline,
.entry-content--case-study > .cs-footer {
  padding-left: 0;
  padding-right: 0;
}

/* ═══════════════════════════════════════
   TYPOGRAPHY
   ═══════════════════════════════════════ */
.entry-content--case-study p {
  margin-bottom: 1.1em;
  text-align: center;
}

.entry-content--case-study strong {
  font-weight: 700;
  color: var(--navy);
}

.entry-content--case-study h3 {
  font-family: var(--font);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin: 32px 0 16px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 13px;
}

/* ═══════════════════════════════════════
   HERO
   ═══════════════════════════════════════ */
.entry-content--case-study > .wp-block-cover.alignfull {
  min-height: 380px;
  padding-top: 72px;
  background: var(--navy) !important;
  position: relative;
  isolation: isolate;
}

/* Subtle grid texture */
.entry-content--case-study > .wp-block-cover.alignfull::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
  pointer-events: none;
}

/* Emerald glow */
.entry-content--case-study > .wp-block-cover.alignfull::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(16,185,129,0.08), transparent 70%);
  z-index: 1;
  pointer-events: none;
}

.entry-content--case-study > .wp-block-cover .wp-block-cover__inner-container {
  position: relative;
  z-index: 2;
  padding: 56px 24px 56px;
  max-width: 720px;
}

.entry-content--case-study .cs-hero-badge {
  display: inline-block;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--emerald);
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  padding: 8px 24px;
  border-radius: 2px;
  margin-bottom: 32px;
}

.entry-content--case-study > .wp-block-cover h1 {
  font-family: var(--font) !important;
  font-size: clamp(30px, 4.5vw, 44px) !important;
  font-weight: 800 !important;
  color: #fff !important;
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.entry-content--case-study .cs-hero-sub {
  font-family: var(--font);
  font-size: 16px;
  color: var(--text-3);
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-top: 12px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: inline-block;
}

/* ═══════════════════════════════════════
   STATS STRIP
   ═══════════════════════════════════════ */
.entry-content--case-study .cs-stats {
  background: var(--navy-90);
  border-bottom: 3px solid var(--emerald);
}

.entry-content--case-study .cs-stats .wp-block-column {
  text-align: center;
  padding: 40px 16px;
  border-right: 1px solid rgba(255,255,255,0.05);
}

.entry-content--case-study .cs-stats .wp-block-column:last-child {
  border-right: none;
}

.entry-content--case-study .cs-stat-value {
  font-family: var(--font);
  font-size: 44px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

.entry-content--case-study .cs-stat-value--accent {
  color: var(--emerald);
}

.entry-content--case-study .cs-stat-label {
  font-family: var(--font);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-3);
}

/* ═══════════════════════════════════════
   SECTION HEADINGS
   ═══════════════════════════════════════ */
.entry-content--case-study .cs-section-heading {
  font-family: var(--font);
  font-size: 24px;
  font-weight: 800;
  color: var(--navy);
  margin-top: var(--gap);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  text-align: center;
  padding-bottom: 16px;
  border-bottom: none;
  position: relative;
}

.entry-content--case-study .cs-section-heading::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--emerald);
  margin: 16px auto 0;
  border-radius: 2px;
}

.entry-content--case-study .cs-section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 700;
  margin-right: 12px;
  vertical-align: middle;
  position: relative;
  top: -2px;
}

/* ═══════════════════════════════════════
   LISTS
   ═══════════════════════════════════════ */
.entry-content--case-study .wp-block-list {
  list-style: none;
  padding: 0;
  text-align: center;
  margin: 16px auto;
}

.entry-content--case-study .wp-block-list > li {
  text-align: left;
  display: inline-block;
  width: 100%;
  max-width: 680px;
  padding: 10px 0 10px 32px;
  position: relative;
  font-size: 15.5px;
  line-height: 1.7;
  border-bottom: 1px solid var(--border-light);
}

.entry-content--case-study .wp-block-list > li:last-child {
  border-bottom: none;
}

.entry-content--case-study .wp-block-list > li::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 20px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emerald);
}

/* Ordered lists */
.entry-content--case-study ol.wp-block-list {
  counter-reset: cs-ol;
}

.entry-content--case-study ol.wp-block-list > li {
  counter-increment: cs-ol;
  padding-left: 48px;
}

.entry-content--case-study ol.wp-block-list > li::before {
  content: counter(cs-ol);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  left: 4px;
  top: 12px;
}

/* ═══════════════════════════════════════
   CALLOUT BOXES
   ═══════════════════════════════════════ */
.entry-content--case-study .cs-callout {
  border-radius: 8px;
  padding: 28px 32px;
  margin: 28px auto;
  font-size: 15px;
  line-height: 1.7;
  text-align: center;
  border: 1px solid;
  border-top: 3px solid;
  position: relative;
}

.entry-content--case-study .cs-callout-label {
  font-family: var(--font);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.entry-content--case-study .cs-callout ul {
  margin: 8px auto 0;
  padding: 0;
  list-style: none;
  display: inline-block;
  text-align: left;
}

.entry-content--case-study .cs-callout li {
  margin-bottom: 8px;
  padding-left: 20px;
  position: relative;
  font-size: 14.5px;
}

.entry-content--case-study .cs-callout li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

/* Danger */
.entry-content--case-study .cs-callout--danger {
  background: var(--red-bg);
  border-color: var(--red-border);
  border-top-color: var(--red);
}
.entry-content--case-study .cs-callout--danger .cs-callout-label { color: var(--red); }
.entry-content--case-study .cs-callout--danger li::before { background: var(--red); }

/* Warning */
.entry-content--case-study .cs-callout--warn {
  background: var(--amber-bg);
  border-color: var(--amber-border);
  border-top-color: var(--amber);
}
.entry-content--case-study .cs-callout--warn .cs-callout-label { color: var(--amber); }
.entry-content--case-study .cs-callout--warn li::before { background: var(--amber); }

/* Info */
.entry-content--case-study .cs-callout--info {
  background: var(--blue-bg);
  border-color: var(--blue-border);
  border-top-color: var(--blue);
}
.entry-content--case-study .cs-callout--info .cs-callout-label { color: var(--blue); }
.entry-content--case-study .cs-callout--info li::before { background: var(--blue); }

/* ═══════════════════════════════════════
   TIMELINE
   ═══════════════════════════════════════ */
.entry-content--case-study .cs-timeline {
  position: relative;
  margin: 24px auto;
  padding: 0 24px;
}

.entry-content--case-study .cs-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
}

.entry-content--case-study .cs-timeline-item {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  padding: 24px 0;
  border-bottom: none;
  text-align: center;
}

.entry-content--case-study .cs-timeline-item + .cs-timeline-item {
  border-top: 1px solid var(--border-light);
}

.entry-content--case-study .cs-timeline-dot {
  position: relative;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--emerald);
  margin: 0 auto 14px;
  left: auto;
  top: auto;
  box-shadow: 0 0 0 4px var(--cream);
  z-index: 2;
}

.entry-content--case-study .cs-timeline-dot--alert {
  border-color: var(--red);
  background: var(--red);
  box-shadow: 0 0 0 4px var(--cream), 0 0 0 7px rgba(220,38,38,0.12);
}

.entry-content--case-study .cs-timeline-date {
  font-family: var(--font);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 6px;
}

.entry-content--case-study .cs-timeline-title {
  font-family: var(--font);
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.entry-content--case-study .cs-timeline-desc {
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.65;
  max-width: 520px;
  margin: 0 auto;
}

/* ═══════════════════════════════════════
   BEFORE / AFTER
   ═══════════════════════════════════════ */
.entry-content--case-study .cs-comparison {
  gap: 24px !important;
  margin: 20px auto 32px;
  padding-left: 24px;
  padding-right: 24px;
}

.entry-content--case-study .cs-comparison .wp-block-column {
  border-radius: 8px;
  padding: 24px 28px;
}

.entry-content--case-study .cs-before {
  background: var(--red-bg);
  border: 1px solid var(--red-border);
}

.entry-content--case-study .cs-after {
  background: var(--green-bg);
  border: 1px solid var(--green-border);
}

.entry-content--case-study .cs-comparison-heading {
  font-family: var(--font);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid;
  text-align: center;
}

.entry-content--case-study .cs-before .cs-comparison-heading {
  color: var(--red);
  border-bottom-color: var(--red-border);
}

.entry-content--case-study .cs-after .cs-comparison-heading {
  color: var(--green);
  border-bottom-color: var(--green-border);
}

.entry-content--case-study .cs-comparison .wp-block-list {
  text-align: left;
}

.entry-content--case-study .cs-comparison .wp-block-list > li {
  max-width: none;
  font-size: 14px;
  padding: 5px 0 5px 24px;
  border-bottom: none;
}

.entry-content--case-study .cs-comparison li::before {
  width: 5px;
  height: 5px;
  top: 14px;
  left: 4px;
}

.entry-content--case-study .cs-before li::before { background: var(--red); }
.entry-content--case-study .cs-after li::before { background: var(--green); }

/* ═══════════════════════════════════════
   TABLES
   ═══════════════════════════════════════ */
.entry-content--case-study .wp-block-table {
  margin: 24px auto 32px;
  padding-left: 24px;
  padding-right: 24px;
}

.entry-content--case-study .wp-block-table table {
  font-family: var(--font);
  font-size: 14px;
  border-collapse: collapse;
  width: 100%;
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 0 0 1px var(--border);
}

.entry-content--case-study .wp-block-table thead th {
  background: var(--navy);
  color: #e2e8f0;
  padding: 14px 20px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  text-align: left;
}

.entry-content--case-study .wp-block-table tbody td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
  color: var(--text);
  line-height: 1.5;
  text-align: left;
}

.entry-content--case-study .wp-block-table tbody tr:last-child td {
  border-bottom: none;
}

.entry-content--case-study .wp-block-table.is-style-stripes tbody tr:nth-child(even) td {
  background: var(--border-light);
}

.entry-content--case-study .cs-metric-good { color: var(--green); font-weight: 700; }
.entry-content--case-study .cs-metric-bad { color: var(--red); }
.entry-content--case-study .cs-metric-improvement { font-weight: 800; color: var(--navy); }

/* Small text under tables */
.entry-content--case-study p.has-text-color {
  font-size: 13px;
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */
.entry-content--case-study .cs-footer {
  max-width: var(--w-content);
  margin: var(--gap) auto 0;
  padding: 24px 0 0;
  border-top: 2px solid var(--navy);
  text-align: center;
  position: relative;
}

.entry-content--case-study .cs-footer::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--emerald);
  margin: 0 auto;
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
}

.entry-content--case-study .cs-footer-brand {
  font-family: var(--font);
  font-size: 15px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.entry-content--case-study .cs-footer-details {
  font-family: var(--font);
  font-size: 13px;
  color: var(--text-3);
  margin-top: 6px;
}

.entry-content--case-study .cs-footer-sub {
  font-family: var(--font);
  font-size: 11px;
  color: var(--text-3);
  margin-top: 8px;
  letter-spacing: 0.5px;
  font-style: italic;
}

.entry-content--case-study .cs-footer-right {
  font-family: var(--font);
  font-size: 12px;
  color: var(--text-3);
  margin-top: 12px;
}

/* ═══════════════════════════════════════
   ANIMATION
   ═══════════════════════════════════════ */
@keyframes cs-fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.entry-content--case-study .cs-section-heading {
  animation: cs-fade-up 0.5s ease both;
}

/* ═══════════════════════════════════════
   PRINT
   ═══════════════════════════════════════ */
@media print {
  .entry-content--case-study { background: #fff; }
  .entry-content--case-study > .alignfull { width: 100%; margin: 0; }
  .entry-content--case-study .cs-stat-value,
  .entry-content--case-study .cs-stat-label { color: #000; }
}

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */
@media (max-width: 768px) {
  .entry-content--case-study > * {
    padding-left: 20px;
    padding-right: 20px;
  }

  .entry-content--case-study > .wp-block-cover .wp-block-cover__inner-container {
    padding: 40px 20px 40px;
  }

  .entry-content--case-study > .wp-block-cover h1 {
    font-size: 28px !important;
  }

  .entry-content--case-study .cs-stats {
    flex-wrap: wrap;
  }

  .entry-content--case-study .cs-stats .wp-block-column {
    flex-basis: 50% !important;
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 28px 16px;
  }

  .entry-content--case-study .cs-stats .wp-block-column:nth-child(n+3) {
    border-bottom: none;
  }

  .entry-content--case-study .cs-stat-value { font-size: 32px; }

  .entry-content--case-study .cs-section-heading {
    font-size: 20px;
    margin-top: 48px;
  }

  .entry-content--case-study .cs-comparison {
    flex-direction: column;
  }

  .entry-content--case-study .cs-timeline::before {
    display: none;
  }

  .entry-content--case-study .wp-block-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .entry-content--case-study .cs-footer {
    padding: 24px 20px 0;
  }
}

@media (max-width: 480px) {
  .entry-content--case-study .cs-stats .wp-block-column {
    flex-basis: 100% !important;
  }
}