/* ============================================================
   SECTION: Proceso — descending 01–04 staircase
   ============================================================ */

.process__head { margin-bottom: var(--space-5); }

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.process-step {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 26ch;
}
/* Staircase: each column steps further down */
.process-step:nth-child(1) { margin-top: 0; }
.process-step:nth-child(2) { margin-top: clamp(2rem, 6vw, 7rem); }
.process-step:nth-child(3) { margin-top: clamp(4rem, 12vw, 14rem); }
.process-step:nth-child(4) { margin-top: clamp(6rem, 18vw, 21rem); }

.process-step__num {
  font-size: clamp(1.75rem, 1rem + 2vw, 2.75rem);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
}
.process-step__num::after {
  content: "";
  display: block;
  width: 2rem; height: 3px;
  margin-top: 0.5rem;
  background: var(--color-accent);
}

/* Scroll-linked reveal (GSAP scrubs opacity/translate per step).
   Initial hidden state only applies when JS is active — no-JS shows everything. */
.js .process-step { opacity: 0; transform: translateY(48px); }
/* Fallback (no GSAP): reversible IntersectionObserver toggles this */
.process-step.is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
@media (prefers-reduced-motion: reduce) {
  .js .process-step { opacity: 1; transform: none; }
}
.process-step__title { font-size: var(--fs-h3); font-weight: 500; }
.process-step__text { color: var(--color-text-dim); }

@media (max-width: 920px) {
  .process__steps { grid-template-columns: repeat(2, 1fr); gap: var(--space-5) var(--space-4); }
  .process-step { margin-top: 0 !important; }
  .process-step:nth-child(2) { margin-top: clamp(2rem, 8vw, 5rem) !important; }
  .process-step:nth-child(4) { margin-top: clamp(2rem, 8vw, 5rem) !important; }
}
@media (max-width: 540px) {
  .process__steps { grid-template-columns: 1fr; }
  .process-step { margin-top: 0 !important; max-width: none; }
}