/* ===== Aptoide Connect — Case Study Layout ===== */

/* ---- User flow diagram ---- */
.flow-diagram-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  cursor: grab;
}

.flow-diagram-wrap img {
  min-width: 320px;
  width: 50%;
  height: auto;
  display: block;
  border-radius: 12px;
  margin: 0 auto;
  max-width: 894px;
}


/* ---- Requirement tags (Problem section) ---- */
.cs-req-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0;
}

.cs-req-tag {
  font-size: 13px;
  font-family: var(--font_inter);
  color: var(--whiteColor);
  background: rgba(16, 16, 16, 0.04);
  border: 1px solid rgba(16, 16, 16, 0.09);
  border-radius: 6px;
  padding: 8px 14px;
  display: inline-block;
}

/* ---- Step pipeline (Design Approach) ---- */
.cs-step-pipeline {
  border: 1px solid rgba(16, 16, 16, 0.09);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 20px;
}

.cs-step-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(16, 16, 16, 0.06);
}

.cs-step-row:last-child {
  border-bottom: none;
}

.cs-step-n {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(16, 16, 16, 0.05);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-title);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--whiteColor);
  opacity: 0.55;
}

.cs-step-label {
  font-size: 14px;
  font-family: var(--font_inter);
  color: var(--whiteColor);
  opacity: 0.75;
  line-height: 1.4;
}

.cs-step-note {
  margin-top: 20px;
}

/* ---- Insight callout ---- */
.cs-callout {
  padding: 88px 0;
  border-top: 1px solid rgba(16, 16, 16, 0.07);
  border-bottom: 1px solid rgba(16, 16, 16, 0.07);
}

.cs-callout-inner {
  max-width: 720px;
}

.cs-callout-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.32;
  display: block;
  margin-bottom: 28px;
  font-family: var(--font-title);
  color: var(--whiteColor);
}

.cs-callout-quote {
  font-size: clamp(1.625rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--whiteColor);
  font-family: var(--font-title);
  margin: 0 0 32px 0;
}

.cs-callout-body {
  max-width: 520px;
}

.cs-callout-body p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--whiteColor);
  opacity: 0.60;
  font-family: var(--font_inter);
  margin-bottom: 12px;
}

.cs-callout-body p:last-child {
  margin-bottom: 0;
}

/* ---- Design Principles grid ---- */
.cs-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
  padding-bottom: 80px;
}

.cs-principle-card {
  border: 1px solid rgba(16, 16, 16, 0.09);
  border-radius: 16px;
  padding: 28px 24px;
}

.cs-principle-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.22;
  display: block;
  margin-bottom: 16px;
  font-family: var(--font-title);
  color: var(--whiteColor);
}

.cs-principle-card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 10px;
  font-family: var(--font-title);
  color: var(--whiteColor);
}

.cs-principle-card p {
  font-size: 0.875rem;
  line-height: 1.65;
  opacity: 0.55;
  font-family: var(--font_inter);
  color: var(--whiteColor);
  margin: 0;
}

/* ---- Closing statement ---- */
.cs-closing {
  padding: 100px 0 120px;
  border-top: 1px solid rgba(16, 16, 16, 0.07);
}

.cs-closing-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.30;
  display: block;
  margin-bottom: 32px;
  font-family: var(--font-title);
  color: var(--whiteColor);
}

.cs-closing-text {
  font-size: clamp(1.375rem, 2.8vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--whiteColor);
  font-family: var(--font-title);
  max-width: 680px;
  margin: 0;
}

.cs-closing-text em {
  font-style: normal;
  opacity: 0.35;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .cs-principles {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .cs-principles {
    grid-template-columns: 1fr;
    padding-bottom: 60px;
  }

  .cs-callout {
    padding: 60px 0;
  }

  .cs-closing {
    padding: 72px 0 80px;
  }
}