#catalyst {
  background: #2C5E44;
  border-top: 1px solid rgba(255,255,255,.10);
  border-bottom: 1px solid rgba(255,255,255,.10);
  padding: clamp(4rem, 8vw, 7rem) 0;
  overflow: hidden;
}
.ct {
  --ink: #FBF8F2; --sec: rgba(251,248,242,.72); --ter: rgba(251,248,242,.5);
  --hair: rgba(255,255,255,.14); --greenT: #3AB648; --green: #3AB648;
  max-width: 1240px; margin-inline: auto; padding-inline: clamp(1.5rem, 4vw, 2.5rem); color: var(--ink);
}

.ct-top { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.ct-eyebrow { margin: 0 0 clamp(1.25rem, 2.5vw, 1.75rem); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--greenT); }
.ct-ns { margin: -0.75rem 0 1.25rem; font-size: 0.8rem; color: var(--sec); }
.ct-ns span { font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.68rem; color: var(--ter); margin-right: 0.5rem; }
.ct-not { margin: clamp(2.5rem, 4.5vw, 3.5rem) 0 0; max-width: 58ch; font-size: clamp(0.95rem, 1.15vw, 1.05rem); line-height: 1.5; color: var(--sec); }
.ct-head { margin: 0; max-width: 16ch; font-size: clamp(2.2rem, 4.4vw, 4rem); font-weight: 600; letter-spacing: -0.04em; line-height: 1.02; text-wrap: balance; }
.ct-lede { margin: 1.25rem 0 0; max-width: 46ch; font-size: clamp(1.05rem, 1.35vw, 1.25rem); line-height: 1.45; color: var(--ink); }
.ct-ev { margin: 0.9rem 0 0; max-width: 52ch; font-size: clamp(0.9rem, 1.05vw, 0.98rem); line-height: 1.5; color: var(--sec); }

.ct-plate {
  position: relative; align-self: stretch; min-height: 15rem;
  padding: clamp(1.25rem, 2vw, 1.75rem);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 6px;
  background: linear-gradient(160deg, rgba(255,255,255,.06), rgba(255,255,255,0) 60%);
  display: grid; align-content: space-between; gap: 1.5rem;
  opacity: 0; transform: translateY(8px); transition: opacity .7s ease .1s, transform .7s ease .1s;
}
.ct.in .ct-plate { opacity: 1; transform: none; }
.ct-plate-l { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.ct-plate-l li { display: flex; align-items: baseline; gap: 0.6rem; font-size: clamp(0.95rem, 1.15vw, 1.05rem); line-height: 1.4; color: var(--ink); padding-top: 0.6rem; border-top: 1px solid var(--hair); }
.ct-plate-l li:first-child { border-top: 0; padding-top: 0; }
.ct-plate-l li.is-mute { color: var(--sec); font-size: 0.85em; }
.ct-plate-l .ct-dot { flex: none; align-self: center; }
.ct-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(58,182,72,.22); animation: ct-pulse 2.4s ease-in-out infinite; }
@keyframes ct-pulse { 0%, 100% { box-shadow: 0 0 0 4px rgba(58,182,72,.22); } 50% { box-shadow: 0 0 0 8px rgba(58,182,72,.08); } }
.ct-plate-t { margin: 0; font-size: clamp(1.6rem, 2.6vw, 2.3rem); font-weight: 600; letter-spacing: -0.035em; line-height: 1; color: var(--ink); }
.ct-plate { min-height: 0; align-self: start; align-content: start; gap: 1.1rem; margin-top: 2.4rem; }

.ct-journey { margin-top: clamp(3rem, 5.5vw, 4.5rem); }
.ct-track { display: grid; grid-template-columns: auto 1fr auto 1fr auto; align-items: center; gap: 0; height: 28px; }
.ct-node { display: block; border-radius: 50%; background: var(--greenT); }
.ct-node.is-1 { width: 10px; height: 10px; }
.ct-node.is-2 { width: 14px; height: 14px; }
.ct-node.is-3 { width: 26px; height: 26px; background: var(--green); box-shadow: 0 0 0 8px rgba(58,182,72,.16), 0 0 34px rgba(58,182,72,.45); }
.ct-seg { display: block; height: 2px; background: linear-gradient(90deg, rgba(58,182,72,.4), rgba(58,182,72,.9)); transform-origin: left; transform: scaleX(0); transition: transform .9s cubic-bezier(.2,.7,.2,1); }
.ct-seg.is-1 { transition-delay: .2s; }
.ct-seg.is-2 { height: 3px; background: linear-gradient(90deg, rgba(58,182,72,.9), #3AB648); transition-delay: .9s; }
.ct.in .ct-seg { transform: none; }
.ct-node.is-3 { opacity: 0; transform: scale(.4); transition: opacity .5s ease 1.6s, transform .6s cubic-bezier(.22,1.2,.4,1) 1.6s; }
.ct.in .ct-node.is-3 { opacity: 1; transform: none; }

.ct-stages { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(1.25rem, 3vw, 2.5rem); margin-top: 1rem; }
.ct-st { opacity: 0; transform: translateY(8px); transition: opacity .6s ease, transform .6s ease; transition-delay: var(--d, 0ms); }
.ct.in .ct-st { opacity: 1; transform: none; }
.ct-st.is-3 { text-align: right; }
.ct-st.is-2 { text-align: center; }
.ct-k { margin: 0 0 0.45rem; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ter); }
.ct-st.is-3 .ct-k { color: var(--greenT); }
.ct-big { margin: 0; display: flex; align-items: baseline; gap: 0.6rem; flex-wrap: wrap; }
.ct-big b { font-size: clamp(2rem, 3.4vw, 3rem); font-weight: 600; letter-spacing: -0.045em; line-height: 0.95; color: var(--greenT); font-variant-numeric: tabular-nums; }
.ct-big span { font-size: clamp(0.9rem, 1.08vw, 0.98rem); color: var(--sec); max-width: 14ch; line-height: 1.3; }
.ct-h { margin: 0; font-size: clamp(1.15rem, 1.7vw, 1.55rem); font-weight: 600; letter-spacing: -0.025em; line-height: 1.15; color: var(--ink); }
.ct-h.is-cat { font-size: clamp(1.7rem, 3vw, 2.7rem); letter-spacing: -0.04em; }
.ct-l { margin: 0.45rem 0 0; font-size: clamp(0.875rem, 1.05vw, 0.95rem); line-height: 1.45; color: var(--sec); }

.ct-bottom { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: end; margin-top: clamp(3rem, 5.5vw, 4.5rem); padding-top: clamp(1.75rem, 3vw, 2.5rem); border-top: 1px solid var(--hair); }
.ct-aud, .ct-eq { opacity: 0; transform: translateY(8px); transition: opacity .6s ease, transform .6s ease; transition-delay: var(--d, 0ms); }
.ct.in .ct-aud, .ct.in .ct-eq { opacity: 1; transform: none; }
.ct-aud-v { margin: 0; font-size: clamp(4.5rem, 9vw, 8.5rem); font-weight: 600; letter-spacing: -0.06em; line-height: 0.85; color: var(--ink); font-variant-numeric: tabular-nums; }
.ct-aud-k { margin: 0.75rem 0 0; font-size: clamp(1rem, 1.3vw, 1.2rem); font-weight: 500; letter-spacing: -0.01em; color: var(--ink); }
.ct-aud-s { margin: 0.35rem 0 0; font-size: clamp(0.85rem, 1vw, 0.92rem); color: var(--sec); max-width: 34ch; line-height: 1.45; }

.ct-eq { display: grid; grid-template-columns: 1fr auto 1fr auto 1.15fr; align-items: center; gap: 0.75rem 1rem; }
.ct-eq-c { padding: 1rem 1.1rem; border: 1px solid var(--hair); border-radius: 6px; min-height: 5.6rem; display: grid; align-content: center; gap: 0.35rem; }
.ct-eq-c.is-out { border-color: rgba(58,182,72,.7); background: rgba(58,182,72,.10); }
.ct-eq-k { margin: 0; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ter); }
.ct-eq-c.is-out .ct-eq-k { color: var(--greenT); }
.ct-eq-v { margin: 0; font-size: clamp(0.95rem, 1.2vw, 1.1rem); font-weight: 600; letter-spacing: -0.015em; line-height: 1.25; color: var(--ink); }
.ct-eq-a { font-size: 1.4rem; color: var(--greenT); }

.ct-round { margin: 1.5rem 0 0.9rem; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--greenT); }
.ct-round span { margin-left: 0.25rem; }
.ct-close { margin: 0; max-width: 24ch; font-size: clamp(2rem, 4.2vw, 3.8rem); font-weight: 600; letter-spacing: -0.04em; line-height: 1.04; color: var(--ink); text-wrap: balance; }
.ct-close em { font-style: normal; color: var(--greenT); }
.ct-src { margin: clamp(2rem, 3.5vw, 2.75rem) 0 0; padding-top: 0.9rem; border-top: 1px solid var(--hair); max-width: 78ch; font-size: 0.75rem; line-height: 1.5; color: rgba(251,248,242,.62); }

@media (max-width: 900px) {
  .ct-top, .ct-bottom { grid-template-columns: 1fr; }
  .ct-plate { min-height: 11rem; }
  .ct-stages { grid-template-columns: 1fr; gap: 1.5rem; }
  .ct-st.is-2, .ct-st.is-3 { text-align: left; }
  .ct-track { display: none; }
  .ct-eq { grid-template-columns: 1fr; }
  .ct-eq-a { transform: rotate(90deg); justify-self: start; margin-left: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  .ct-plate, .ct-st, .ct-aud, .ct-eq, .ct-node.is-3, .ct-seg { transition: none; opacity: 1; transform: none; }
  .ct-dot { animation: none; }
}

.ct-mech { margin: 0; align-self: end; max-width: 46ch; font-size: clamp(1rem, 1.25vw, 1.15rem); line-height: 1.5; color: var(--sec);
  opacity: 0; transform: translateY(8px); transition: opacity .6s ease, transform .6s ease; transition-delay: var(--d, 0ms); }
.ct.in .ct-mech { opacity: 1; transform: none; }
.ct-mech i { font-style: normal; color: #3AB648; }
.ct-mech b { color: var(--ink); }
.ct-dem { margin-top: clamp(2.5rem, 4.5vw, 3.5rem); padding-top: clamp(1.75rem, 3vw, 2.5rem); border-top: 1px solid var(--hair);
  opacity: 0; transform: translateY(8px); transition: opacity .6s ease, transform .6s ease; transition-delay: var(--d, 0ms); }
.ct.in .ct-dem { opacity: 1; transform: none; }
.ct-dem-k { margin: 0 0 1.25rem; font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: #3AB648; }
.ct-dem-l { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem clamp(1.5rem, 3vw, 2.5rem); }
.ct-dem-l li { display: grid; gap: 0.3rem; }
.ct-dem-l b { font-size: clamp(0.98rem, 1.15vw, 1.05rem); font-weight: 600; letter-spacing: -0.01em; color: var(--ink); }
.ct-dem-l span { font-size: clamp(0.875rem, 1.02vw, 0.95rem); line-height: 1.5; color: var(--sec); }
.ct-dem-c { margin: clamp(1.5rem, 2.5vw, 2rem) 0 0; font-size: clamp(1.15rem, 1.6vw, 1.4rem); font-weight: 600; letter-spacing: -0.02em; color: var(--ink); }
@media (max-width: 760px) { .ct-dem-l { grid-template-columns: 1fr; } }

.ct-dep {
  margin: 0.9rem 0 0;
  max-width: 62ch;
  font-size: clamp(0.95rem, 1.15vw, 1.0625rem);
  line-height: 1.55;
  color: rgba(251,248,242,.82);
}