/* "How I Work" — trionn-style process: the section pins and the three steps
   reveal one by one as you scroll, each drawing its segment of the baseline
   with a + marker. Behaviour in assets/js/process.js. */

#tw-process {
  --pr-bg: #050505;
  --pr-ink: #f2f2f2;
  --pr-ink-soft: #9a9a9a;
  --pr-green: #35E07F;
  --pr-line: rgba(255, 255, 255, 0.22);
  --pr-mono: Figtree, "Figtree Fallback", system-ui, sans-serif;
  position: relative;
  z-index: 2;
  width: 100%;
  background: var(--pr-bg);
  color: var(--pr-ink);
  font-family: "Figtree", "Figtree Placeholder", sans-serif;
  overflow: hidden;
}
:where(#tw-process *) { box-sizing: border-box; margin: 0; padding: 0; }

.pr-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 12vh 6vw;
}

.pr-grid {
  display: grid;
  grid-template-columns: 18% 1fr;
  gap: 3vw;
}
.pr-label {
  font-family: var(--pr-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pr-green);
  padding-top: 1.4em;
}

.pr-heading {
  font-size: clamp(44px, 5.6vw, 96px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.02;
  color: var(--title-on-dark);
}
.pr-sub {
  margin-top: 2.5vh;
  max-width: 34ch;
  font-size: clamp(14px, 1.1vw, 17px);
  line-height: 1.5;
  color: var(--pr-ink-soft);
}

/* ---- steps ---- */
.pr-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3.4vw;
  margin-top: 9vh;
}
.pr-step { /* GSAP scrubs opacity/transform per step */ }
.pr-step-tag {
  font-family: var(--pr-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pr-green);
}
.pr-step-title {
  margin-top: 3.6vh;
  font-size: clamp(24px, 2.2vw, 36px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.pr-step-desc {
  margin-top: 2.6vh;
  font-size: clamp(14px, 1.05vw, 16.5px);
  line-height: 1.6;
  color: var(--pr-ink-soft);
  max-width: 38ch;
}

/* ---- the growing baseline: one continuous line with + markers ---- */
.pr-rail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;              /* segments touch -> one continuous line */
  margin-top: 7vh;
}
.pr-seg { position: relative; height: 20px; }
.pr-plus {
  position: absolute;
  left: 0; top: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--pr-mono);
  font-size: 15px;
  color: var(--pr-ink-soft);
}
.pr-endplus {           /* closing + at the far right, like the reference */
  left: auto;
  right: 0;
  transform: translate(50%, -50%);
}
.pr-seg .pr-strand {
  position: absolute;
  left: 12px; right: 12px; top: 50%;
  height: 1px;
  background: var(--pr-line);
  transform: scaleX(0);
  transform-origin: left center;
}

/* mobile: no pin, steps stacked, everything visible via class reveal */
@media (max-width: 900px) {
  .pr-wrap { min-height: 0; padding: 12vh 7vw; }
  .pr-grid { grid-template-columns: 1fr; gap: 3vh; }
  .pr-label { padding-top: 0; }
  .pr-steps { grid-template-columns: 1fr; gap: 6vh; }
  .pr-rail { display: none; }
  .pr-step { opacity: 0; transform: translateY(24px);
             transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.19,1,0.22,1); }
  #tw-process.pr-in .pr-step { opacity: 1 !important; transform: none !important; }
  #tw-process.pr-in .pr-step:nth-child(2) { transition-delay: 0.15s; }
  #tw-process.pr-in .pr-step:nth-child(3) { transition-delay: 0.3s; }
}