/* ===================================================
   CASE STUDY PAGE — Styles
   =================================================== */

.case-study {
  position: relative;
  z-index: 20;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
}

/* ---------- HEADER ---------- */
.case-study__header {
  margin-bottom: 3rem;
}

.case-study__back {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  font-weight: 300;
  color: rgba(255,255,255,0.35);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: color 0.3s ease;
}

.case-study__back:hover {
  color: rgba(140, 180, 255, 0.8);
}

.case-study__category {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(140, 180, 255, 0.6);
  margin-bottom: 1rem;
  padding: 0.3rem 0.9rem;
  border: 1px solid rgba(140, 180, 255, 0.15);
  border-radius: 100px;
}

.case-study__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  color: rgba(255,255,255,0.95);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin: 0 0 1rem;
}

.case-study__desc {
  font-size: 1.1rem;
  font-weight: 300;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  max-width: 700px;
}

/* ---------- VIDEO HERO ---------- */
.case-study__video-wrap {
  margin-bottom: 3rem;
  border-radius: 16px;
  overflow: hidden;
  background: #000;
}

.case-study__video-wrap video {
  width: 100%;
  display: block;
}

/* ---------- KPI STRIP ---------- */
.case-study__kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
}

.case-study__kpi {
  text-align: center;
}

.case-study__kpi-value {
  display: block;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 300;
  color: rgba(255,255,255,0.95);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.case-study__kpi-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(140, 180, 255, 0.5);
}

/* ---------- CONTENT SECTIONS ---------- */
.case-study__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.case-study__section h3 {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(140, 180, 255, 0.6);
  margin: 0 0 1rem;
}

.case-study__section p {
  font-size: 0.95rem;
  font-weight: 300;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin: 0;
}

/* ---------- TECH STACK ---------- */
.case-study__tech {
  margin-bottom: 4rem;
}

.case-study__tech h3 {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(140, 180, 255, 0.6);
  margin: 0 0 1rem;
}

.case-study__tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.case-study__tech-pill {
  font-size: 0.8rem;
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  padding: 0.4rem 1rem;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  transition: all 0.3s ease;
}

.case-study__tech-pill:hover {
  color: rgba(255,255,255,0.8);
  border-color: rgba(140, 180, 255, 0.2);
  background: rgba(140, 180, 255, 0.06);
}

/* ---------- CTA ---------- */
.case-study__cta {
  text-align: center;
  padding: 4rem 2rem;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, rgba(140,180,255,0.06) 0%, rgba(80,140,255,0.03) 100%);
  border: 1px solid rgba(140, 180, 255, 0.12);
  border-radius: 14px;
}

.case-study__cta h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 300;
  color: rgba(255,255,255,0.9);
  margin: 0 0 0.5rem;
}

.case-study__cta p {
  font-size: 0.95rem;
  font-weight: 300;
  color: rgba(255,255,255,0.45);
  margin: 0 0 1.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.case-study__cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- MORE CASES ---------- */
.case-study__more {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.case-study__more-title {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(140, 180, 255, 0.5);
  margin: 0 0 1.5rem;
}

.case-study__more-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.case-study__more-card {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.case-study__more-card:hover {
  border-color: rgba(140, 180, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.case-study__more-label {
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(140, 180, 255, 0.5);
  margin-bottom: 0.5rem;
}

.case-study__more-card h4 {
  font-size: 0.95rem;
  font-weight: 400;
  color: rgba(255,255,255,0.8);
  line-height: 1.4;
  margin: 0;
  transition: color 0.3s ease;
}

.case-study__more-card:hover h4 {
  color: rgba(255,255,255,0.95);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
  .case-study {
    padding: 7rem 1.5rem 3rem;
  }

  .case-study__kpis {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .case-study__content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .case-study__more-grid {
    grid-template-columns: 1fr;
  }
}