/* ==========================================================
   IMISI HOUSE — KNOWLEDGE BRIDGE
   02 — CONNECT
   ========================================================== */

.knowledge-motion {
  --imisi-teal: #0a6970;
  --imisi-green: #0c9268;
  --imisi-lime: #bed639;
  --imisi-bone: #f4f1e8;
  --imisi-charcoal: #3f3f3f;

  position: relative;

  min-height: 120vh;

  background: var(--imisi-teal);
  color: var(--imisi-bone);

  overflow: hidden;
}

/* ==========================================================
   INNER
   ========================================================== */

.knowledge-motion__inner {
  width: min(1500px, 100%);

  min-height: 120vh;

  margin: 0 auto;

  padding: clamp(130px, 12vw, 180px) clamp(24px, 6vw, 90px) 100px;

  display: flex;
  flex-direction: column;
}

/* ==========================================================
   HEADER
   ========================================================== */

.knowledge-motion__header {
  max-width: 1100px;
}

.knowledge-motion__eyebrow {
  display: flex;
  align-items: center;

  gap: 12px;

  margin-bottom: 45px;

  font-family: Manrope, sans-serif;

  font-size: 10px;
  font-weight: 600;

  letter-spacing: 0.2em;

  text-transform: uppercase;

  color: var(--imisi-lime);
}

.knowledge-motion__number {
  font-weight: 700;
}

.knowledge-motion__line {
  width: 40px;
  height: 1px;

  background: var(--imisi-lime);
}

.knowledge-motion__title {
  max-width: 1050px;

  margin: 0;

  font-family: Marcellus, serif;

  font-size: clamp(60px, 8vw, 128px);

  font-weight: 400;

  line-height: 0.9;

  letter-spacing: -0.045em;

  color: var(--imisi-bone);
}

.knowledge-motion__title span {
  display: block;

  color: var(--imisi-lime);

  font-style: italic;
}

.knowledge-motion__intro {
  max-width: 560px;

  margin: 42px 0 0;

  font-family: Manrope, sans-serif;

  font-size: clamp(14px, 1.2vw, 17px);

  line-height: 1.7;

  color: rgba(244, 241, 232, 0.68);
}

/* ==========================================================
   BRIDGE
   ========================================================== */

.knowledge-motion__bridge {
  position: relative;

  display: grid;

  grid-template-columns:
    minmax(220px, 1fr)
    minmax(300px, 0.8fr)
    minmax(220px, 1fr);

  align-items: center;

  gap: clamp(30px, 5vw, 90px);

  flex: 1;

  margin-top: 80px;
}

/* ==========================================================
   DISCIPLINES
   ========================================================== */

.knowledge-motion__disciplines {
  display: flex;

  flex-direction: column;

  gap: 0;
}

.knowledge-motion__disciplines--right {
  text-align: right;
}

.bridge-discipline {
  position: relative;

  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 20px;

  min-height: 82px;

  padding: 0 0 0 18px;

  border-top: 1px solid rgba(244, 241, 232, 0.2);

  opacity: 0.45;

  transition:
    opacity 0.4s ease,
    transform 0.4s ease;
}

.knowledge-motion__disciplines--right .bridge-discipline {
  padding: 0 18px 0 0;
}

.bridge-discipline::before {
  content: "";

  position: absolute;

  left: 0;
  top: 50%;

  width: 5px;
  height: 5px;

  border-radius: 50%;

  background: var(--imisi-lime);

  transform: translateY(-50%);
}

.knowledge-motion__disciplines--right .bridge-discipline::before {
  left: auto;
  right: 0;
}

.bridge-discipline.is-active {
  opacity: 1;

  transform: translateX(8px);
}

.knowledge-motion__disciplines--right .bridge-discipline.is-active {
  transform: translateX(-8px);
}

.bridge-discipline__number {
  flex-shrink: 0;

  font-family: Manrope, sans-serif;

  font-size: 9px;
  font-weight: 700;

  letter-spacing: 0.15em;

  color: var(--imisi-lime);
}

.bridge-discipline__name {
  font-family: Marcellus, serif;

  font-size: clamp(18px, 2vw, 27px);

  line-height: 1;

  color: var(--imisi-bone);
}

/* ==========================================================
   MATERIAL
   ========================================================== */

.knowledge-motion__material {
  position: relative;

  display: flex;

  align-items: center;
  justify-content: center;

  min-height: 420px;
}

/* ==========================================================
   ORBIT
   ========================================================== */

.material-orbit {
  position: absolute;

  width: clamp(250px, 24vw, 360px);

  aspect-ratio: 1;

  border-radius: 50%;
}

.material-orbit__ring {
  position: absolute;

  inset: 0;

  border: 1px solid rgba(190, 214, 57, 0.45);

  border-radius: 50%;

  transform: rotate(-18deg) scaleY(0.35);
}

.material-orbit__ring--two {
  transform: rotate(48deg) scaleY(0.35);

  border-color: rgba(12, 146, 104, 0.7);
}

.material-orbit__dot {
  position: absolute;

  width: 9px;
  height: 9px;

  border-radius: 50%;

  background: var(--imisi-lime);
}

.material-orbit__dot--one {
  top: 17%;
  left: 17%;
}

.material-orbit__dot--two {
  right: 12%;
  bottom: 20%;

  background: var(--imisi-green);
}

/* ==========================================================
   MATERIAL CORE
   ========================================================== */

.material-core {
  position: relative;

  z-index: 2;

  display: flex;

  flex-direction: column;

  align-items: center;
  justify-content: center;

  width: clamp(145px, 13vw, 200px);

  aspect-ratio: 1;

  border-radius: 50%;

  background: var(--imisi-bone);

  color: var(--imisi-charcoal);

  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.12);
}

.material-core__number {
  margin-bottom: 12px;

  font-family: Manrope, sans-serif;

  font-size: 8px;
  font-weight: 700;

  letter-spacing: 0.2em;

  color: var(--imisi-teal);
}

.material-core__name {
  font-family: Marcellus, serif;

  font-size: clamp(28px, 3vw, 46px);

  line-height: 1;
}

.material-core__hint {
  margin-top: 12px;

  font-family: Manrope, sans-serif;

  font-size: 9px;

  letter-spacing: 0.12em;

  text-transform: uppercase;

  color: rgba(63, 63, 63, 0.55);
}

/* ==========================================================
   CLOSING
   ========================================================== */

.knowledge-motion__closing {
  display: flex;

  align-items: center;

  gap: 25px;

  max-width: 700px;

  margin-left: auto;

  padding-top: 60px;
}

.knowledge-motion__closing-line {
  width: 45px;
  height: 1px;

  flex-shrink: 0;

  background: var(--imisi-lime);
}

.knowledge-motion__closing p {
  margin: 0;

  font-family: Manrope, sans-serif;

  font-size: clamp(14px, 1.2vw, 17px);

  line-height: 1.6;

  color: rgba(244, 241, 232, 0.75);
}

.knowledge-motion__closing-arrow {
  display: flex;

  align-items: center;
  justify-content: center;

  width: 42px;
  height: 42px;

  margin-left: auto;

  flex-shrink: 0;

  border-radius: 50%;

  background: var(--imisi-lime);

  color: var(--imisi-charcoal);

  font-size: 18px;
}

/* ==========================================================
   MOBILE
   ========================================================== */

@media (max-width: 900px) {
  .knowledge-motion {
    min-height: auto;
  }

  .knowledge-motion__inner {
    min-height: auto;

    padding: 120px 24px 80px;
  }

  .knowledge-motion__bridge {
    grid-template-columns: 1fr;

    gap: 45px;

    margin-top: 70px;
  }

  .knowledge-motion__material {
    order: -1;

    min-height: 330px;
  }

  .knowledge-motion__disciplines--right {
    text-align: left;
  }

  .knowledge-motion__disciplines--right .bridge-discipline {
    padding: 0 0 0 18px;
  }

  .knowledge-motion__disciplines--right .bridge-discipline::before {
    left: 0;
    right: auto;
  }

  .knowledge-motion__disciplines--right .bridge-discipline.is-active {
    transform: translateX(8px);
  }

  .knowledge-motion__closing {
    margin-top: 60px;
    margin-left: 0;
  }
}

@media (max-width: 600px) {
  .knowledge-motion__title {
    font-size: clamp(52px, 15vw, 82px);
  }

  .knowledge-motion__intro {
    margin-top: 30px;
  }

  .knowledge-motion__material {
    min-height: 280px;
  }

  .material-orbit {
    width: 250px;
  }

  .material-core {
    width: 140px;
  }

  .bridge-discipline {
    min-height: 72px;
  }

  .knowledge-motion__closing {
    align-items: flex-start;

    flex-wrap: wrap;
  }

  .knowledge-motion__closing-arrow {
    margin-left: 70px;
  }
}

/* ==========================================================
   REDUCED MOTION
   ========================================================== */

@media (prefers-reduced-motion: reduce) {
  .bridge-discipline {
    transition: none;
  }
}