/* ==========================================================
   IMISI FOUNDATION — IMPACT JOURNEY
   03 / Impact Journey
   ========================================================== */

.impact-journey {
  --teal: #0a6970;
  --green: #0c9268;
  --lime: #bed639;
  --bone: #f4f1e8;
  --charcoal: #3f3f3f;

  position: relative;

  min-height: 700vh;

  background: var(--bone);
  color: var(--charcoal);

  overflow: visible;
}

/* ==========================================================
   STICKY FRAME
   ========================================================== */

.impact-journey__sticky {
  position: sticky;

  top: 0;

  height: 100vh;
  min-height: 650px;

  padding: 5vh 6vw;

  display: flex;
  flex-direction: column;

  overflow: hidden;
}

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

.impact-journey__header {
  display: flex;

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

  font-family: "Manrope", sans-serif;

  font-size: 0.68rem;

  letter-spacing: 0.15em;

  text-transform: uppercase;
}

.impact-journey__eyebrow {
  color: var(--teal);
}

.impact-journey__index {
  opacity: 0.4;
}

/* ==========================================================
   LAYOUT
   ========================================================== */

.impact-journey__layout {
  flex: 1;

  min-height: 0;

  display: grid;

  grid-template-columns:
    minmax(180px, 0.35fr)
    minmax(0, 1.65fr);

  gap: clamp(3rem, 8vw, 9rem);

  align-items: center;
}

/* ==========================================================
   RAIL
   ========================================================== */

.impact-journey__rail {
  position: relative;

  display: flex;

  gap: 2rem;

  height: 65%;
}

.impact-journey__rail-line {
  position: relative;

  width: 1px;

  height: 100%;

  background: rgba(63, 63, 63, 0.2);
}

.impact-journey__rail-progress {
  position: absolute;

  left: 0;
  top: 0;

  width: 1px;
  height: 0;

  background: var(--green);

  transform-origin: top;
}

/* ==========================================================
   NAV
   ========================================================== */

.impact-journey__stages {
  display: flex;

  flex-direction: column;

  justify-content: space-between;

  height: 100%;
}

.impact-stage-nav {
  display: grid;

  grid-template-columns: 30px auto;

  gap: 1rem;

  align-items: center;

  padding: 0;

  border: 0;

  background: transparent;

  color: var(--charcoal);

  text-align: left;

  cursor: pointer;

  opacity: 0.35;

  transition:
    opacity 0.35s ease,
    transform 0.35s ease;
}

.impact-stage-nav span {
  font-family: "Manrope", sans-serif;

  font-size: 0.62rem;

  letter-spacing: 0.1em;

  color: var(--teal);
}

.impact-stage-nav strong {
  font-family: "Marcellus", serif;

  font-size: 1rem;

  font-weight: 400;
}

.impact-stage-nav:hover {
  opacity: 0.7;
}

.impact-stage-nav.is-active {
  opacity: 1;

  transform: translateX(8px);
}

.impact-stage-nav.is-active strong {
  color: var(--teal);
}

/* ==========================================================
   CONTENT
   ========================================================== */

.impact-journey__content {
  position: relative;

  height: min(65vh, 620px);
}

/* ==========================================================
   STAGE
   ========================================================== */

.impact-journey__stage {
  position: absolute;

  inset: 0;

  display: flex;

  flex-direction: column;

  justify-content: center;

  align-items: flex-start;

  opacity: 0;

  visibility: hidden;

  pointer-events: none;

  transform: translateY(40px);

  transition:
    opacity 0.55s ease,
    transform 0.75s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s linear 0.75s;
}

.impact-journey__stage.is-active {
  opacity: 1;

  visibility: visible;

  pointer-events: auto;

  transform: translateY(0);

  transition:
    opacity 0.55s ease,
    transform 0.75s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s linear 0s;
}

/* ==========================================================
   STAGE META
   ========================================================== */

.impact-journey__number {
  margin-bottom: 0.8rem;

  font-family: "Manrope", sans-serif;

  font-size: 0.68rem;

  letter-spacing: 0.14em;

  color: var(--green);
}

.impact-journey__category {
  margin-bottom: 1.5rem;

  font-family: "Manrope", sans-serif;

  font-size: 0.68rem;

  font-weight: 500;

  letter-spacing: 0.16em;

  text-transform: uppercase;

  color: var(--teal);
}

/* ==========================================================
   TITLE
   ========================================================== */

.impact-journey__stage h2 {
  max-width: 900px;

  margin: 0;

  font-family: "Marcellus", serif;

  font-size: clamp(4rem, 7vw, 7.5rem);

  font-weight: 400;

  line-height: 0.88;

  letter-spacing: -0.045em;
}

.impact-journey__stage h2 em {
  display: block;

  color: var(--green);

  font-style: italic;
}

/* ==========================================================
   DESCRIPTION
   ========================================================== */

.impact-journey__stage > p {
  max-width: 600px;

  margin: 2rem 0 0;

  font-family: "Manrope", sans-serif;

  font-size: 0.82rem;

  line-height: 1.8;

  opacity: 0.65;
}

/* ==========================================================
   OUTCOME
   ========================================================== */

.impact-journey__outcome {
  display: flex;

  align-items: center;

  gap: 1rem;

  margin-top: 2rem;

  padding-top: 1.25rem;

  border-top: 1px solid rgba(63, 63, 63, 0.18);
}

.impact-journey__outcome span {
  font-family: "Manrope", sans-serif;

  font-size: 0.58rem;

  letter-spacing: 0.15em;

  color: var(--teal);
}

.impact-journey__outcome strong {
  font-family: "Marcellus", serif;

  font-size: 1.2rem;

  font-weight: 400;
}

/* ==========================================================
   FOOTER
   ========================================================== */

.impact-journey__footer {
  display: flex;

  justify-content: space-between;

  align-items: center;

  font-family: "Manrope", sans-serif;

  font-size: 0.62rem;

  letter-spacing: 0.12em;

  text-transform: uppercase;

  opacity: 0.5;
}

.impact-journey__current {
  color: var(--teal);
}

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

@media (max-width: 800px) {
  .impact-journey {
    min-height: auto;
  }

  .impact-journey__sticky {
    position: relative;

    height: auto;
    min-height: auto;

    padding: 6rem 7vw 7rem;
  }

  .impact-journey__index {
    display: none;
  }

  .impact-journey__layout {
    display: block;

    margin-top: 5rem;
  }

  .impact-journey__rail {
    display: none;
  }

  .impact-journey__content {
    height: auto;
  }

  .impact-journey__stage {
    position: relative;

    inset: auto;

    min-height: 75vh;

    padding: 4rem 0;

    opacity: 1;

    visibility: visible;

    pointer-events: auto;

    transform: none;

    border-top: 1px solid rgba(63, 63, 63, 0.15);
  }

  .impact-journey__stage:first-child {
    border-top: 0;
  }

  .impact-journey__stage h2 {
    font-size: clamp(3.2rem, 14vw, 5.5rem);
  }

  .impact-journey__stage > p {
    max-width: 100%;
  }
}