/* ═══════════════════════════════════════════════════════════════
   CASE STUDY / PROJET DÉTAILLÉ - Yawo Nyonato
   Design exécutif B2B, orienté conversion et vente de missions
   ═══════════════════════════════════════════════════════════════ */

.case-hero {
  padding: 56px 0 44px;
  background: linear-gradient(180deg, #f8f9fc 0%, #eef0f6 100%);
  border-bottom: 1px solid var(--border);
}
.case-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.case-breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color .2s;
}
.case-breadcrumb a:hover {
  color: var(--blue);
}
.case-breadcrumb .sep {
  opacity: .5;
}
.case-breadcrumb .current {
  color: var(--text);
  font-weight: 600;
}

.case-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.case-sector-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--blue-bg);
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid rgba(59,91,219,.2);
}
.case-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16,185,129,.1);
  color: #059669;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 20px;
}
.case-status-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
}

.case-main-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 18px;
  max-width: 900px;
}
.case-subtitle {
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 820px;
  margin-bottom: 32px;
}

/* Meta Card Grid */
.case-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: var(--bg-white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
}
.case-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.case-meta-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: #94a3b8;
}
.case-meta-val {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
}

/* Stat Highlights */
.case-stats-section {
  padding: 50px 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.case-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.case-stat-card {
  background: var(--bg-white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  transition: transform .2s, box-shadow .2s;
}
.case-stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.case-stat-number {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 8px;
}
.case-stat-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.case-stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Content Body */
.case-body-section {
  padding: 70px 0 90px;
  background: var(--bg);
}
.case-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  align-items: start;
}
.case-article {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.case-block {
  background: var(--bg-white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  box-shadow: var(--shadow-sm);
}
.case-block-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.case-block-title svg {
  color: var(--blue);
  flex-shrink: 0;
}
.case-text {
  font-size: 15.5px;
  color: #475569;
  line-height: 1.75;
  margin-bottom: 20px;
}
.case-text:last-child {
  margin-bottom: 0;
}

/* Timeline / Methodology Steps */
.case-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 14px;
}
.case-step {
  display: flex;
  gap: 20px;
  position: relative;
}
.case-step-num {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--blue-bg);
  border: 2px solid var(--blue);
  color: var(--blue);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.case-step-body h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.case-step-body p {
  font-size: 14.5px;
  color: #475569;
  line-height: 1.65;
  margin: 0;
}

/* Deliverables Grid */
.deliverables-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
.deliverable-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 18px 18px;
}
.deliverable-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(59,91,219,.1);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.deliverable-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.deliverable-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

/* Quote Card */
.case-quote-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-radius: var(--radius-lg);
  padding: 34px 38px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.case-quote-card::before {
  content: "“";
  position: absolute;
  top: -20px;
  right: 20px;
  font-size: 120px;
  font-family: Georgia, serif;
  color: rgba(255,255,255,.06);
  line-height: 1;
  pointer-events: none;
}
.case-quote-text {
  font-size: 16px;
  font-style: italic;
  line-height: 1.7;
  color: #e2e8f0;
  margin-bottom: 20px;
  position: relative;
}
.case-quote-author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.case-quote-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.case-quote-info h5 {
  font-size: 14.5px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 2px;
}
.case-quote-info p {
  font-size: 12.5px;
  color: #94a3b8;
  margin: 0;
}

/* Sidebar: Commercial Selling Box */
.case-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.offer-pitch-card {
  background: var(--bg-white);
  border: 2px solid var(--blue);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: 0 12px 32px rgba(59,91,219,.15);
  position: relative;
}
.offer-pitch-badge {
  position: absolute;
  top: -13px;
  left: 24px;
  background: var(--blue);
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  box-shadow: 0 3px 10px rgba(59,91,219,.3);
}
.offer-pitch-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  margin: 6px 0 12px;
  line-height: 1.3;
}
.offer-pitch-desc {
  font-size: 13.5px;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 20px;
}
.offer-pitch-features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.offer-pitch-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.45;
}
.offer-pitch-features li svg {
  color: #10b981;
  flex-shrink: 0;
  margin-top: 2px;
}
.btn-offer-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: var(--blue);
  color: #fff;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  padding: 14px 20px;
  border-radius: 10px;
  text-decoration: none;
  transition: all .2s;
  box-shadow: 0 4px 14px rgba(59,91,219,.35);
  margin-bottom: 12px;
  text-align: center;
}
.btn-offer-primary:hover {
  background: #2b4cc0;
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 6px 20px rgba(59,91,219,.45);
}
.btn-offer-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: #f1f5f9;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  padding: 12px 18px;
  border-radius: 10px;
  text-decoration: none;
  transition: all .2s;
  border: 1px solid #e2e8f0;
  text-align: center;
}
.btn-offer-secondary:hover {
  background: #e2e8f0;
  color: var(--text);
}

.expert-contact-box {
  background: var(--bg-white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.expert-contact-img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--blue);
  flex-shrink: 0;
}
.expert-contact-text h5 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 3px;
}
.expert-contact-text p {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0 0 6px;
}
.expert-contact-text a {
  font-size: 12px;
  color: var(--blue);
  font-weight: 600;
  text-decoration: none;
}
.expert-contact-text a:hover {
  text-decoration: underline;
}

/* Other Projects Nav */
.case-other-section {
  padding: 60px 0 80px;
  background: #f8f9fc;
  border-top: 1px solid var(--border);
}
.case-other-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
}
.case-other-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--text);
}
.case-other-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
}
.case-other-link:hover {
  text-decoration: underline;
}

/* Project Footer Link in Portfolio list (matching article-footer style) */
.project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
}
.project-footer-meta {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}
.project-footer-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  margin-left: auto;
  text-decoration: none;
  transition: color 0.2s ease;
}
.project-footer-link span {
  color: var(--blue);
  transition: color 0.2s ease;
}
.project-footer-link svg {
  width: 14px;
  height: 14px;
  color: var(--blue);
  flex-shrink: 0;
  transition: transform 0.2s ease, color 0.2s ease;
}
.project-card:hover .project-footer-link,
.project-card:hover .project-footer-link span {
  color: #2b44b8;
}
.project-card:hover .project-footer-link svg {
  color: #2b44b8;
  transform: translateX(3px);
}

/* Responsive */
@media (max-width: 1024px) {
  .case-layout {
    grid-template-columns: 1fr;
  }
  .case-sidebar {
    position: static;
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
  }
  .case-meta-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .case-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .case-meta-grid {
    grid-template-columns: 1fr;
    padding: 20px;
  }
  .case-stats-grid {
    grid-template-columns: 1fr;
  }
  .case-block {
    padding: 26px 20px;
  }
  .deliverables-grid {
    grid-template-columns: 1fr;
  }
  .case-quote-card {
    padding: 26px 20px;
  }
}