/* ==========================================================================
   Section 3 — How It Works
   Three-column step cards on desktop; stacked on mobile.
   ========================================================================== */

.section-how {
  background-color: var(--color-cream);
  padding-block: 6rem;
}

.section-how__inner {
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* --- Two-line split headline --- */

.section-how__headline {
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-how__headline-line1 {
  font-family: var(--font-brand);
  font-size: var(--text-headline);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-soil);
}

.section-how__headline-line2 {
  font-family: var(--font-brand);
  font-size: var(--text-headline);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-rust);
}

.section-how__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-body);
  text-align: center;
  color: var(--color-soil);
  opacity: 0.65;
  margin-bottom: 3.5rem;
}

/* --- Cards grid --- */

.section-how__cards {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 1rem 1.5rem;
  align-items: stretch;
}

/* --- Individual card --- */

.step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  padding: 2rem;
  background-color: var(--color-cream);
  border: 1.5px solid var(--color-rust);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}

/* Faint rust tint overlay — 4% per design spec */
.step-card::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: var(--color-rust);
  opacity: 0.04;
  pointer-events: none;
  border-radius: inherit;
}

/* Step number — circle ring with faint rust fill per spec */
.step-card__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--color-rust);
  background-color: rgba(158, 74, 53, 0.1);
  font-family: var(--font-brand);
  font-size: var(--text-caption);
  font-weight: 600;
  color: var(--color-rust);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

/* Schematic icon SVG */
.step-card__icon {
  width: 88px;
  height: 64px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step-card__title {
  font-family: var(--font-brand);
  font-size: var(--text-subhead);
  font-weight: 600;
  line-height: 1.1;
  color: var(--color-soil);
  position: relative;
  z-index: 1;
}

.step-card__body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.75;
  color: var(--color-soil);
  position: relative;
  z-index: 1;
}

/* Step caption */
.step-card__caption {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-style: italic;
  color: var(--color-rust);
  opacity: 0.8;
  position: relative;
  z-index: 1;
  margin-top: auto;
}

/* --- Connector arrows between cards — desktop only --- */

.step-connector {
  display: none;
}

.step-connector__svg {
  width: 48px;
  height: 32px;
}

/* --- Mobile (≤767px): stacked, reduced spacing --- */

@media (max-width: 767px) {
  .section-how {
    padding-block: 3rem;
  }

  .section-how__cards {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .section-how__headline-line1,
  .section-how__headline-line2 {
    font-size: var(--text-subhead);
  }

  .section-how__subtitle {
    margin-bottom: 2rem;
  }
}

/* --- Tablet (768px–1023px): two-column --- */

@media (min-width: 768px) and (max-width: 1023px) {
  .section-how__cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

/* --- Desktop (≥1024px): connectors visible --- */

@media (min-width: 1024px) {
  .step-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: center;
  }
}