/* Proof-first case studies & homepage capability modules */
.cs-page {
  max-width: 820px;
  margin: 0 auto;
}

.cs-hero {
  padding: 2.5rem 0 1.5rem;
}

.cs-hero .eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-light);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.cs-hero h1 {
  font-size: clamp(1.65rem, 3vw, 2.15rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.cs-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  font-size: 0.88rem;
  color: var(--text-medium);
  margin-bottom: 1rem;
}

.cs-lede {
  font-size: 1.05rem;
  color: var(--text-medium);
  line-height: 1.75;
  max-width: 52rem;
}

.cs-block {
  padding: 1.75rem 0;
  border-top: 1px solid var(--border-color);
}

.cs-block h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.cs-block h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
  color: var(--text-dark);
}

.cs-block p,
.cs-block li {
  color: var(--text-medium);
  line-height: 1.75;
  font-size: 0.98rem;
}

.cs-block ul {
  margin: 0.5rem 0 0 1.15rem;
}

.cs-block li { margin-bottom: 0.4rem; }

.cs-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.75rem;
}

.cs-stack span {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-dark);
}

.cs-outcome {
  background: linear-gradient(180deg, #f0f7fc 0%, transparent 100%);
  padding: 1.75rem 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.cs-sevendyne-role {
  background: linear-gradient(135deg, #f0f7fc 0%, #f8fafc 100%);
  border: 1px solid #c7dff0;
  border-left: 4px solid var(--primary-color);
  border-radius: 12px;
  padding: 1.35rem 1.5rem;
  margin-bottom: 1.5rem;
}

.cs-sevendyne-role__badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-color);
  background: #fff;
  border: 1px solid #c7dff0;
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  margin-bottom: 0.65rem;
}

.cs-sevendyne-role h2 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 0.55rem;
}

.cs-sevendyne-role > p {
  color: var(--text-medium);
  line-height: 1.75;
  font-size: 0.96rem;
  margin-bottom: 0.85rem;
}

.cs-role-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.65rem 1rem;
  margin: 0 0 0.85rem;
}

.cs-role-meta div {
  margin: 0;
}

.cs-role-meta dt {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.cs-role-meta dd {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-dark);
  margin: 0;
}

.cs-role-pricing {
  font-size: 0.88rem !important;
  margin-bottom: 0 !important;
  color: #475569 !important;
}

.cs-engagement-models {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 2rem 0 2.5rem;
}

.cs-engagement-model {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem 1.35rem;
}

.cs-engagement-model h3 {
  font-size: 1rem;
  margin-bottom: 0.45rem;
  color: var(--text-dark);
}

.cs-engagement-model p {
  font-size: 0.92rem;
  color: var(--text-medium);
  line-height: 1.65;
  margin: 0;
}

.cs-proof-card .cs-sevendyne-role {
  margin-top: 0.5rem;
  margin-bottom: 1.25rem;
  padding: 1rem 1.15rem;
}

.cs-proof-card .cs-sevendyne-role h2 {
  font-size: 0.95rem;
}

.cs-diagram {
  margin-top: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}

.cs-diagram img {
  display: block;
  width: 100%;
  height: auto;
}

.cs-back {
  margin: 0 0 2rem;
  font-size: 0.9rem;
}

.cs-back a {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
}

.cs-index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.cs-index-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.2rem 1.35rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.cs-index-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md);
}

.cs-index-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.cs-index-card p {
  font-size: 0.9rem;
  color: var(--text-medium);
  line-height: 1.65;
  margin-bottom: 0.75rem;
}

.cs-index-card a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary-color);
  text-decoration: none;
}

/* Homepage capability modules */
.cs-track-section {
  margin: 2.5rem 0 1.5rem;
  text-align: center;
  scroll-margin-top: 5rem;
}

.cs-track-section__title {
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
  font-weight: 800;
  color: var(--text-dark, #0f172a);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.cs-track-section__lede {
  color: var(--text-medium, #64748b);
  line-height: 1.65;
  max-width: 640px;
  margin: 0 auto;
  font-size: 0.98rem;
}

.capability-modules {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.capability-module {
  padding: 3rem 0;
  border-bottom: 1px solid var(--border-color);
}

.capability-module:nth-child(odd) {
  background: var(--bg-white);
}

.capability-module:nth-child(even) {
  background: var(--bg-light);
}

.capability-module__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 900px) {
  .capability-module__grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.capability-module__title {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.capability-module__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.capability-module__challenge p {
  color: var(--text-medium);
  line-height: 1.75;
  font-size: 1rem;
}

.capability-module__links {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.capability-module__links li {
  margin-bottom: 0.65rem;
}

.capability-module__links a {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
}

.capability-module__links a:hover {
  text-decoration: underline;
}

.capability-module__links span {
  display: block;
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 400;
  margin-top: 0.15rem;
}

.hero .eyebrow {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0.88;
  font-weight: 600;
}

.home-proof-strip {
  text-align: center;
  padding: 1rem 0;
  font-size: 0.88rem;
  color: var(--text-light);
  font-weight: 500;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-white);
}

/* Three-part proof format — hub + detail pages */
.cs-proof-hub {
  max-width: 920px;
  margin: 0 auto;
}

.cs-proof-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 2rem 2rem 1.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.cs-proof-card:last-of-type {
  margin-bottom: 0;
}

.cs-proof-card__num {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--primary-color);
  margin-bottom: 0.35rem;
}

.cs-proof-card h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.cs-proof-domain {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 1.25rem;
}

.cs-proof-domain strong {
  color: var(--text-medium);
  font-weight: 700;
}

.cs-proof-section {
  margin-bottom: 1.35rem;
}

.cs-proof-section:last-child {
  margin-bottom: 0;
}

.cs-proof-section h3 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.cs-proof-section p {
  color: var(--text-medium);
  line-height: 1.75;
  font-size: 0.98rem;
  margin: 0;
}

.cs-proof-metrics {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cs-proof-metrics li {
  position: relative;
  padding-left: 1.15rem;
  margin-bottom: 0.55rem;
  color: var(--text-medium);
  line-height: 1.65;
  font-size: 0.96rem;
}

.cs-proof-metrics li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary-color);
}

.cs-proof-card__link {
  display: inline-block;
  margin-top: 1.25rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary-color);
  text-decoration: none;
}

.cs-proof-card__link:hover {
  text-decoration: underline;
}

.cs-more-programmes {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-color);
}

.cs-more-programmes h2 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
  text-align: center;
}

.cs-more-programmes > p {
  text-align: center;
  color: var(--text-medium);
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
}

.cs-block--challenge h2 { color: #b45309; }
.cs-block--solution h2 { color: var(--primary-color); }
.cs-block--proof h2 { color: #0f766e; }

.cs-block.cs-block--proof {
  background: linear-gradient(180deg, #f0fdfa 0%, transparent 100%);
  padding: 1.75rem 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  margin-bottom: 2rem;
}