/* --- Case Study Cards --- */
.case-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-medium);
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.08);
  border-color: var(--color-border-hover);
}

.case-card__image {
  aspect-ratio: 16/9;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.case-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card__body {
  padding: 32px;
}

.case-card__tags {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.case-card__body h3 {
  margin-bottom: 12px;
}

.case-card__body p {
  font-size: 0.9375rem;
  margin-bottom: 20px;
}

.case-card__metrics {
  display: flex;
  gap: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.case-card__metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-heading);
}

.case-card__metric-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* --- Work Hero --- */
.work-hero {
  padding: 160px 0 0;
  background: var(--color-bg);
}

.work-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.work-hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  margin-bottom: 16px;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.work-hero p {
  font-size: 1.0625rem;
  max-width: 540px;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.work-hero__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 24px 64px rgba(0,0,0,0.08);
}

.work-hero__image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.work-hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 56px;
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.work-hero__stat {
  text-align: center;
  position: relative;
}

.work-hero__stat:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 48px;
  background: var(--color-border);
}

.work-hero__stat-val {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text-heading);
  letter-spacing: -0.02em;
  line-height: 1;
}

.work-hero__stat-lbl {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

@media (max-width: 900px) {
  .work-hero { padding: 140px 0 0; }
  .work-hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .work-hero__image { order: -1; }
}

@media (max-width: 768px) {
  .work-hero__stats { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .work-hero__stat:not(:last-child)::after { display: none; }
}

/* --- Case Study Spotlight Cards --- */
.cs-spotlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 72px;
  padding: 40px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: box-shadow var(--transition-base);
  position: relative;
}

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

.cs-spotlight:hover {
  box-shadow: 0 20px 60px rgba(0,0,0,0.06);
}

.cs-spotlight--reverse {
  direction: rtl;
}

.cs-spotlight--reverse > * {
  direction: ltr;
}

.cs-spotlight__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.cs-spotlight__logo {
  position: absolute;
  top: -1px;
  left: -1px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-xl) 0 14px 0;
  padding: 12px 20px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

.cs-spotlight--reverse .cs-spotlight__logo {
  left: auto;
  right: -1px;
  border-radius: 0 var(--radius-xl) 0 14px;
  border-right: none;
  border-left: 1px solid var(--color-border);
}

.cs-spotlight__logo img {
  display: block;
  max-height: 48px;
  max-width: 180px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.cs-spotlight__img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.cs-spotlight:hover .cs-spotlight__img img {
  transform: scale(1.03);
}

.cs-spotlight__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.cs-spotlight__body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.cs-spotlight__body p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
  line-height: 1.7;
}

.cs-spotlight__body p:last-of-type {
  margin-bottom: 24px;
}

.cs-spotlight__metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.cs-spotlight__metric {
  text-align: center;
}

.cs-spotlight__metric strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text-heading);
  letter-spacing: -0.02em;
}

.cs-spotlight__metric span {
  display: block;
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
}

@media (max-width: 900px) {
  .cs-spotlight {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 28px;
  }
  .cs-spotlight--reverse { direction: ltr; }
  .cs-spotlight__metrics { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .cs-spotlight__metrics { grid-template-columns: 1fr 1fr; gap: 12px; }
}

/* --- Impact Numbers Strip --- */
.impact-strip {
  padding: 64px 0;
  background: #111;
}

.impact-strip__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.impact-strip__item {
  text-align: center;
  position: relative;
}

.impact-strip__item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.12);
}

.impact-strip__item strong {
  display: block;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
}

.impact-strip__item span {
  display: block;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.5);
  margin-top: 8px;
}

@media (max-width: 768px) {
  .impact-strip__inner { grid-template-columns: repeat(2, 1fr); gap: 40px 0; }
  .impact-strip__item:not(:last-child)::after { display: none; }
}

/* --- Sample Implementation Cards --- */
.sample-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.sample-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.sample-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.06);
}

.sample-card__img {
  position: relative;
  overflow: hidden;
}

.sample-card__img img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.sample-card:hover .sample-card__img img {
  transform: scale(1.05);
}

.sample-card__overlay {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  gap: 6px;
}

.sample-card__overlay .tag {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(6px);
  color: var(--color-text-heading);
  border-color: transparent;
}

.sample-card h4 {
  padding: 20px 24px 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-heading);
}

.sample-card p {
  padding: 8px 24px 24px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .sample-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .sample-grid { grid-template-columns: 1fr; }
}

/* --- Work Testimonial --- */
.work-testimonial {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 56px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.work-testimonial__quote svg {
  color: var(--color-text-heading);
  margin-bottom: 20px;
}

.work-testimonial__quote blockquote {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text-heading);
  line-height: 1.7;
  margin-bottom: 28px;
  font-style: italic;
}

.work-testimonial__author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.work-testimonial__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-text-heading);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 700;
}

.work-testimonial__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  flex-shrink: 0;
}

.work-testimonial__author strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--color-text-heading);
}

.work-testimonial__author span {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.work-testimonial__logos p {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: 20px;
}

.work-testimonial__logo-row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
}

.work-testimonial__logo-row img {
  height: 24px;
  opacity: 0.4;
  transition: opacity var(--transition-fast);
  filter: grayscale(1);
}

.work-testimonial__logo-row img:hover {
  opacity: 0.8;
}

.work-testimonial__logo-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-heading);
  opacity: 0.25;
  letter-spacing: 0.03em;
  transition: opacity var(--transition-fast);
  white-space: nowrap;
}

.work-testimonial__logo-text:hover {
  opacity: 0.6;
}

@media (max-width: 900px) {
  .work-testimonial {
    grid-template-columns: 1fr;
    padding: 36px;
    gap: 36px;
  }
}