/* ═══════════════════════════════════════
   ABOUT PAGE — IMPACT / CIRCLES (section3)
   Scroll-driven: split text → fades out while a
   circle grows → two circles emerge from behind →
   all three spread apart → captions fade in.
═══════════════════════════════════════ */

.impact-scroll {
  position: relative;
  height: 540vh;
  background: var(--bg-primary);
  z-index: 2;
}
.impact-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
}

/* ── Split text ── */
.imp-left {
  position: absolute;
  top: 50%;
  left: clamp(20px, 6vw, 96px);
  transform: translateY(-50%);
  z-index: 8;
  max-width: 620px;
  will-change: opacity, transform;
}
.imp-left h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.imp-left .big {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(20px, 2.7vw, 36px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text-primary-60);
}

.imp-right {
  position: absolute;
  top: 50%;
  right: clamp(20px, 6vw, 96px);
  transform: translateY(-50%);
  z-index: 8;
  max-width: 300px;
  will-change: opacity, transform;
}
.imp-right p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary-60);
}
.imp-right .src {
  display: block;
  margin-top: 14px;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-style: italic;
  color: var(--text-primary-30);
}

/* ── Circles ── */
.imp-circle {
  position: absolute;
  top: 40%;
  left: 50%;
  border-radius: 50%;
  opacity: 0;
  will-change: opacity, transform, width, height;
}
.imp-circle .disc {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 40px 90px -50px rgba(15, 37, 67, 0.55);
}
.imp-circle .disc img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.imp-circle .cap {
  position: absolute;
  top: calc(100% + 22px);
  left: 50%;
  transform: translateX(-50%);
  width: min(360px, 88vw);
  text-align: center;
  opacity: 0;
  will-change: opacity;
}
.imp-circle .cap h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 19px;
  color: var(--text-primary);
  margin-bottom: 9px;
}
.imp-circle .cap p {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-primary-60);
}

.imp-main  { z-index: 6; }
.imp-left-c  { z-index: 5; }
.imp-right-c { z-index: 5; }

/* ── RTL ── */
body.rtl .imp-left { left: auto; right: clamp(20px, 6vw, 96px); text-align: right; }
body.rtl .imp-right { right: auto; left: clamp(20px, 6vw, 96px); text-align: right; }

@media (prefers-reduced-motion: reduce) {
  .imp-left, .imp-right, .imp-circle, .imp-circle .cap { opacity: 1 !important; }
}