/* Science Backed page */

.page-science {
  overflow: hidden;
}

/* Intro: content left, image right */
.science-intro__grid {
  grid-template-columns: 1.05fr 0.95fr;
}

.science-intro .pd-overview__text {
  margin-bottom: 2rem;
}

/* --------------------------------------------------------------------------
   Process steps (4 cards with connecting arrows)
   -------------------------------------------------------------------------- */
.science-process {
  position: relative;
  padding: var(--section-padding-y) 0;
  background: var(--color-page-bg);
  overflow: hidden;
}

.science-process__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  pointer-events: none;
}

.science-process__inner {
  position: relative;
  z-index: 1;
}

.science-process__track {
  display: flex;
  align-items: stretch;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 48px;
}

.science-process__item {
  position: relative;
  display: flex;
  align-items: stretch;
  flex: 1 1 0;
  min-width: 0;
  width: 0;
}

.science-step {
  position: relative;
  flex: 1 1 auto;
  width: 100%;
  height: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.75rem 1.25rem 1.5rem;
  background: var(--color-white);
  border-radius: 16px;
  border: 1px solid rgba(var(--color-blue-rgb), 0.08);
  box-shadow: 0 8px 28px rgba(11, 31, 58, 0.06);
}

.science-step__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0.5rem 0 1rem;
  border-radius: 50%;
  background: rgba(var(--color-blue-rgb), 0.08);
  color: var(--color-blue);
  font-size: 1.35rem;
}

.science-step__title {
  margin: 0 0 0.65rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-blue);
}

.science-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-gray);
}

.science-process__connector {
  position: absolute;
  left: 100%;
  top: 50%;
  width: 48px;
  height: 0;
  margin-left: 0;
  border-top: 2px dashed rgba(var(--color-blue-rgb), 0.45);
  pointer-events: none;
}

.science-credibility__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  margin-top: clamp(2rem, 4vw, 3rem);
  grid-template-columns: none;
}

.science-credibility__cta-copy {
  flex: 1 1 auto;
  min-width: 0;
}

.science-credibility__cta-title {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-white);
}

.science-credibility__cta-text {
  margin: 0.45rem 0 0;
  max-width: 36rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.78);
}

.science-credibility__cta-btn {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .science-credibility__bar {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .science-credibility__cta-text {
    max-width: none;
  }

  .science-credibility__cta-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 1100px) {
  .science-process__track {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
    align-items: stretch;
  }

  .science-process__item {
    flex: none;
    width: auto;
    min-height: 100%;
  }

  .science-process__connector {
    display: none;
  }
}

@media (max-width: 900px) {
  .science-intro__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-science .pd-overview__text,
  .page-science .section-subtext,
  .page-science .team-credibility__text {
    font-size: 15px;
    line-height: 1.7;
  }

  .science-process__track {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }
}