/* ═══════════════════════════════════════════════════
   SECTION: process — source #process-a (SALES-04-PROCESS-A)
   Four horizontal steps with a connector line, plus a metrics strip.
═══════════════════════════════════════════════════ */

#process-a {
  background: var(--c-bg);
  padding: var(--sp-section) 0;
  position: relative;
  overflow: hidden;
}
#process-a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--c-border);
}

/* ── Header ── */
.process-a-hdr {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-20);
  align-items: end;
  max-width: var(--container);
  margin: 0 auto var(--sp-20);
  padding: 0 var(--container-pad);
}
.process-a-sub { font-size: var(--fs-300); color: var(--c-text-3); line-height: 1.75; max-width: 420px }

/* ── Steps grid ── */
.process-steps {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: grid;
  grid-template-columns: repeat(4, 1fr) 168px;
  align-items: start;
  position: relative;
}
.ps { padding: 0 36px 0 0; position: relative; z-index: 1 }
.ps:last-child { padding-right: 0 }

/* Connector, starting past the dot so it never runs underneath it */
.ps::after {
  content: '';
  position: absolute;
  top: 27px; left: 56px; right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(var(--c-accent-rgb), .25) 0%, rgba(var(--c-accent-rgb), .08) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease-out);
}
.ps.visible::after { transform: scaleX(1) }
/* Step 04 reaches into the CTA column to meet the node centre */
.ps:last-child::after { right: -56px }

/* Connectors draw after their step appears */
.process-steps .ps:nth-child(1).visible::after { transition-delay: .3s }
.process-steps .ps:nth-child(2).visible::after { transition-delay: .8s }
.process-steps .ps:nth-child(3).visible::after { transition-delay: 1.3s }
.process-steps .ps:nth-child(4).visible::after { transition-delay: 1.8s }

/* Sequential step reveals */
.process-steps .ps:nth-child(1).reveal { transition-delay: 0s }
.process-steps .ps:nth-child(2).reveal { transition-delay: .5s }
.process-steps .ps:nth-child(3).reveal { transition-delay: 1s }
.process-steps .ps:nth-child(4).reveal { transition-delay: 1.5s }
.process-steps .ps-cta.reveal { transition-delay: 2s }

/* ── CTA column ── */
.ps-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-left: var(--sp-6);
  position: relative;
  z-index: 1;
  width: 168px;
}
.ps-cta-node {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(var(--c-accent-rgb), .08);
  border: 1px solid rgba(var(--c-accent-rgb), .3);
  display: grid;
  place-items: center;
  margin-bottom: var(--sp-5);
  font-size: var(--fs-500);
  color: rgba(var(--c-accent-rgb), .5);
  transition: background .3s, transform .3s, border-color .3s, color .3s;
}
.ps-cta:hover .ps-cta-node,
.ps-cta:focus-within .ps-cta-node,
.process-steps .ps:nth-child(4):hover ~ .ps-cta .ps-cta-node {
  background: rgba(var(--c-accent-rgb), .2);
  border-color: rgba(var(--c-accent-rgb), .55);
  color: var(--c-accent);
  transform: scale(1.08);
}

/* The button and note stay hidden until step 04 is hovered.
   :focus-within is added on top of the source so the link is not an
   invisible tab stop for keyboard users. */
.ps-cta-btn {
  padding: 11px 18px;
  font-size: var(--fs-300);
  white-space: nowrap;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity var(--dur-base), transform var(--dur-base);
}
.ps-cta-note {
  font-size: var(--fs-100);
  color: var(--c-text-4);
  margin-top: var(--sp-2);
  line-height: 1.4;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity var(--dur-base) .06s, transform var(--dur-base) .06s;
}
.process-steps .ps:nth-child(4):hover ~ .ps-cta .ps-cta-btn,
.ps-cta:hover .ps-cta-btn,
.ps-cta:focus-within .ps-cta-btn {
  opacity: 1; transform: translateY(0); pointer-events: auto; transition-delay: 0s;
}
.process-steps .ps:nth-child(4):hover ~ .ps-cta .ps-cta-note,
.ps-cta:hover .ps-cta-note,
.ps-cta:focus-within .ps-cta-note {
  opacity: 1; transform: translateY(0); pointer-events: auto; transition-delay: .06s;
}

/* ── Step dots ── */
.ps-dot {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--c-bg-3);
  border: 1px solid var(--c-border);
  display: grid;
  place-items: center;
  margin-bottom: var(--sp-6);
  font-family: var(--f-display);
  font-size: var(--fs-400);
  font-weight: var(--fw-black);
  color: var(--c-text-4);
  position: relative;
  transition: background .3s, border-color .3s, color .3s, transform var(--dur-base), box-shadow .3s;
}
.ps.accent .ps-dot {
  background: rgba(var(--c-accent-rgb), .12);
  border-color: rgba(var(--c-accent-rgb), .4);
  color: var(--c-accent);
}

.ps-dot::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 1.5px solid rgba(var(--c-accent-rgb), .5);
  opacity: 0;
  pointer-events: none;
}

.ps:hover .ps-dot {
  background: rgba(var(--c-accent-rgb), .18);
  border-color: rgba(var(--c-accent-rgb), .55);
  color: var(--c-accent);
  transform: scale(1.1);
  box-shadow: 0 0 0 5px rgba(var(--c-accent-rgb), .08),
              0 0 26px rgba(var(--c-accent-rgb), .22);
}
.ps:hover .ps-dot::before { animation: ps-ring .9s ease-out infinite }

/* Steps before the hovered one take a subtler active state */
.ps:has(~ .ps:hover) .ps-dot {
  background: rgba(var(--c-accent-rgb), .1);
  border-color: rgba(var(--c-accent-rgb), .38);
  color: var(--c-accent);
  transform: scale(1.05);
  box-shadow: 0 0 0 3px rgba(var(--c-accent-rgb), .06);
}
.ps:has(~ .ps:hover) .ps-dot::before { opacity: .28; transform: scale(1.18) }

.ps:hover::after,
.ps:has(~ .ps:hover)::after {
  background: linear-gradient(90deg, rgba(var(--c-accent-rgb), .5) 0%, rgba(var(--c-accent-rgb), .18) 100%);
}

@keyframes ps-ring {
  0%   { opacity: .6; transform: scale(1) }
  100% { opacity: 0;  transform: scale(1.85) }
}

/* ── Step text ── */
.ps-title {
  font-family: var(--f-display);
  font-size: var(--fs-500);
  font-weight: var(--fw-black);
  letter-spacing: -.03em;
  color: var(--c-text-1);
  line-height: 1.5;
  margin-bottom: 10px;
}
.ps-body {
  font-size: var(--fs-200);
  color: var(--c-text-3);
  line-height: 1.7;
  margin-bottom: 14px;
}
.ps-badge {
  display: inline-flex;
  padding: var(--sp-1) 10px;
  border-radius: var(--sp-5);
  background: var(--c-bg-4);
  border: 1px solid var(--c-border);
  font-size: var(--fs-100);
  font-weight: var(--fw-bold);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-text-4);
}
.ps.accent .ps-badge {
  background: rgba(var(--c-accent-rgb), .1);
  border-color: rgba(var(--c-accent-rgb), .2);
  color: var(--c-accent);
}

/* ── Metrics strip ── */
.process-metrics {
  max-width: var(--container);
  margin: var(--sp-16) auto 0;
  padding: var(--sp-10) var(--container-pad);
  border-top: 1px solid var(--c-border);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.pm-item { padding: 0 var(--sp-10) 0 var(--sp-6); border-right: 1px solid var(--c-border) }
.pm-item:first-child { padding-left: 0 }
.pm-item:last-child { border-right: none }
.pm-val {
  font-family: var(--f-display);
  /* Sits between --fs-600 and --fs-700; neither max is close to 42px. */
  font-size: clamp(28px, 3vw, 42px);
  font-weight: var(--fw-black);
  letter-spacing: -.04em;
  line-height: 1;
  color: var(--c-text-1);
  margin-bottom: 6px;
}
.pm-val-success { color: var(--c-success) }
.pm-val-accent  { color: var(--c-accent) }
.pm-lbl { font-size: var(--fs-100); color: var(--c-text-4) }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .process-a-hdr { grid-template-columns: 1fr; gap: var(--sp-6) }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: var(--sp-10) }
  .ps::after { display: none }
  .ps-cta {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    gap: var(--sp-6);
    padding: var(--sp-6) 0 0;
    border-top: 1px solid var(--c-border);
    width: auto;
  }
  .ps-cta-node { margin-bottom: 0; flex-shrink: 0 }
  /* Always visible where there is no hover to trigger it */
  .ps-cta-btn,
  .ps-cta-note { opacity: 1; transform: none; pointer-events: auto }
  .ps-cta-note { margin-top: 0 }
  .process-metrics { grid-template-columns: repeat(2, 1fr); gap: var(--sp-6) }
  .pm-item { border-right: none; padding: 0 0 var(--sp-6); border-bottom: 1px solid var(--c-border) }
  .pm-item:nth-child(3),
  .pm-item:nth-child(4) { border-bottom: none; padding-bottom: 0 }
}

@media (max-width: 640px) {
  .process-a-hdr { padding: 0 var(--sp-6) }
  .process-steps { grid-template-columns: 1fr; padding: 0 var(--sp-6); gap: var(--sp-8) }
  .ps-cta { padding: var(--sp-5) 0 0 }
  .process-metrics { padding: var(--sp-8) var(--sp-6) 0; grid-template-columns: 1fr 1fr; margin-top: var(--sp-10) }
}