/* Home — the chapter where seven strands become one line, then the ecosystem, how we work, looking ahead */

/* ---------- Chapter: one sticky stage behind the hero and the mission ---------- */
.chapter { position: relative; }
/* the track spans the chapter, so the sticky stage releases exactly where the chapter ends */
.chapter__track { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.chapter__stage { position: sticky; top: 0; height: 100svh; overflow: hidden; }
.chapter__stage .hero__media { opacity: var(--media, 1); transition: opacity .2s linear; }
.chapter__stage .hero__media::after {
  background: linear-gradient(90deg, rgba(10, 38, 33, .55) 0%, rgba(10, 38, 33, .1) 55%, rgba(10, 38, 33, .35) 100%),
              linear-gradient(180deg, rgba(10, 38, 33, .25) 0%, rgba(10, 38, 33, .35) 60%, rgba(10, 38, 33, .95) 100%);
}
.chapter > section { position: relative; z-index: 1; }

/* ---------- Hero ---------- */
.hero-home { min-height: 100svh; display: flex; }
.hero-home__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: auto 1fr auto;
  column-gap: var(--gutter);
  padding-top: calc(var(--header-h) + clamp(2rem, 7vh, 5rem));
  padding-bottom: 1.5rem;
}
.hero-home__brand { grid-column: 1 / span 8; grid-row: 1; }
.hero-home__eyebrow { color: var(--mist); margin-bottom: 1rem; }
.wordmark {
  font-family: var(--f-display);
  font-size: var(--fs-wordmark);
  font-weight: 760;
  letter-spacing: -.045em;
  line-height: .82;
  margin-left: -.04em;
  color: var(--mist);
}
.wordmark .ch { display: inline-block; }
html.motion .wordmark.is-ready .ch { animation: letter-rise 1.1s var(--ease-strand) both; animation-delay: calc(var(--ci) * 50ms + .15s); }
@keyframes letter-rise { from { transform: translateY(.45em) skewY(6deg); opacity: 0; } }

/* persona tabs hang on one strand; a knot travels to the active one */
.persona-tabs {
  position: relative;
  display: inline-flex; gap: 1.75rem;
  margin-top: clamp(1.5rem, 4vh, 2.75rem);
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--line-dark);
}
.persona-tab {
  font-weight: 500; font-size: var(--fs-small);
  color: var(--mist-70);
  padding: .35rem 0;
  transition: color .3s;
}
.persona-tab:hover, .persona-tab[aria-selected="true"] { color: var(--mist); }
.persona-tab .short { display: none; }
.persona-knot {
  position: absolute; left: 0; bottom: -1px;
  width: var(--kw, 0px); height: 2px;
  transform: translateX(var(--kx, 0px));
  background: var(--lime); box-shadow: 0 0 12px rgba(212, 250, 131, .6);
  transition: transform .42s var(--ease-strand), width .42s var(--ease-strand);
}
.persona-knot::after {
  content: ""; position: absolute; right: -5px; top: 50%; width: 10px; height: 10px; border-radius: 50%;
  translate: 0 -50%; background: var(--lime); box-shadow: 0 0 12px rgba(212, 250, 131, .7);
}

.hero-home__panel { grid-column: 8 / span 5; grid-row: 2; align-self: end; padding-bottom: 2.5rem; max-width: 34rem; }
.persona-panel { outline-offset: 8px; }
.persona-headline { font-family: var(--f-display); font-size: clamp(1.75rem, 2.7vw, 2.6rem); font-weight: 560; line-height: 1.02; letter-spacing: -.025em; }
.persona-headline em { font-style: normal; font-weight: 300; font-stretch: 88%; color: var(--lime); }
.persona-copy { margin-top: 1rem; color: var(--mist-70); }
.persona-highlights { margin-top: 1.25rem; display: grid; gap: .45rem; }
.persona-highlights li { display: flex; align-items: center; gap: .8rem; font-weight: 500; font-size: var(--fs-small); }
.persona-highlights li::before { content: ""; width: 14px; height: 2px; background: var(--lime); box-shadow: 0 0 8px rgba(212, 250, 131, .5); flex: none; }
html.motion .persona-panel.is-switching .line, html.motion .persona-panel.is-switching .persona-copy, html.motion .persona-panel.is-switching li {
  animation: panel-rise .6s var(--ease-strand) both;
}
html.motion .persona-panel.is-switching .line + .line { animation-delay: .05s; }
html.motion .persona-panel.is-switching .persona-copy { animation-delay: .1s; }
html.motion .persona-panel.is-switching li:nth-child(1) { animation-delay: .14s; }
html.motion .persona-panel.is-switching li:nth-child(2) { animation-delay: .18s; }
html.motion .persona-panel.is-switching li:nth-child(3) { animation-delay: .22s; }
@keyframes panel-rise { from { transform: translateY(14px) skewY(2deg); opacity: 0; } }
.persona-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: 1.75rem; }

.hero-home__bar { grid-column: 1 / -1; grid-row: 3; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 1.25rem; border-top: 1px solid var(--line-dark); }
.hero-home__pillars { font-family: var(--f-display); font-weight: 700; font-stretch: 78%; font-size: var(--fs-label); letter-spacing: .08em; color: var(--mist-70); }
.scroll-cue { position: relative; display: grid; justify-items: center; gap: .25rem; color: var(--mist); padding: .25rem .75rem; }
.scroll-cue__strand { position: relative; width: 1px; height: 48px; background: var(--line-dark); overflow: hidden; }
.scroll-cue__strand::after { content: ""; position: absolute; left: -1px; width: 3px; height: 14px; top: -14px; background: var(--lime); box-shadow: 0 0 10px var(--lime); border-radius: 2px; }
html.motion .scroll-cue__strand::after { animation: pulse-down 2.2s var(--ease-strand) infinite; }
@keyframes pulse-down { to { top: 48px; } }
.hero-home__bar .video-toggle { position: static; }

/* ---------- Mission: the strands braid behind this sentence ---------- */
.mission { min-height: 125svh; display: flex; align-items: center; padding-block: 18vh; }
.mission__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); row-gap: 1.5rem; align-items: start; }
.mission__aside { grid-column: 1 / span 3; padding-top: .6rem; }
.mission__body { grid-column: 4 / span 9; display: grid; gap: 2rem; }
.mission__body h2 { max-width: 14ch; }
.mission__lead { font-size: clamp(1.25rem, 2vw, 1.875rem); line-height: 1.35; max-width: 32ch; color: var(--mist); }
.actor {
  background: linear-gradient(var(--lime), var(--lime)) 0 100% / 0% 2px no-repeat;
  padding-bottom: .08em;
  transition: background-size .8s var(--ease-strand), color .4s;
}
.actor.is-lit { background-size: 100% 2px; color: var(--lime-100); }

/* ---------- Ecosystem ledger ---------- */
.ecosystem__aside { font-size: var(--fs-lead); line-height: 1.45; max-width: 30ch; }
.ecosystem__body { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); margin-top: clamp(3rem, 6vw, 5rem); align-items: start; }
.ledger { grid-column: 1 / span 8; border-top: 1px solid var(--rule); }
.ledger-row {
  position: relative;
  display: grid; grid-template-columns: 3rem minmax(0, 1.1fr) minmax(0, 1fr) 1.5rem; align-items: center; gap: 1rem 1.5rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--rule);
  transition: transform .5s var(--ease-strand);
}
.ledger-row::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--green-600); transform: scaleX(0); transform-origin: left;
  transition: transform .55s var(--ease-strand);
}
.ledger-row h3 { font-size: clamp(1.15rem, 1.5vw, 1.5rem); }
.ledger-row p { color: var(--ink-2); font-size: var(--fs-small); }
.ledger-arrow { color: var(--green-600); transition: transform .4s var(--ease-strand); }
.ledger-row:hover, .ledger-row:focus-visible { transform: translateX(10px); }
.ledger-row:hover::after, .ledger-row:focus-visible::after { transform: scaleX(1); }
.ledger-row:hover .ledger-arrow, .ledger-row:focus-visible .ledger-arrow { transform: translateX(4px); }
.ledger-row:hover .knot::before, .ledger-row:focus-visible .knot::before { background: var(--forest); }
.ledger-row:hover .knot__n, .ledger-row:focus-visible .knot__n { color: var(--lime); }
.ecosystem__panel { grid-column: 10 / span 3; position: sticky; top: calc(var(--header-h) + 2rem); }
.ecosystem__panel .panel__media { aspect-ratio: 4 / 5; }
.ecosystem__panel [data-panel-img] { position: absolute; inset: 0; opacity: 0; transition: opacity .6s ease; }
.ecosystem__panel [data-panel-img].is-active { opacity: 1; }
.ecosystem__panel [data-panel-img] picture, .ecosystem__panel [data-panel-img] img { display: block; width: 100%; height: 100%; object-fit: cover; }
.ecosystem__more { margin-top: 2.5rem; }
@media (max-width: 899px) {
  .ecosystem__body { grid-template-columns: minmax(0, 1fr); }
  .ledger { grid-column: 1; }
  .ecosystem__panel { display: none; }
  .ledger-row { grid-template-columns: 2.25rem minmax(0, 1fr) 1.25rem; }
  .ledger-row p { grid-column: 2; grid-row: 2; }
  .ledger-row .ledger-arrow { grid-column: 3; grid-row: 1; }
}

/* ---------- How we work ---------- */
.how__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); row-gap: 3rem; align-items: center; }
.how__panel { grid-column: 1 / span 6; }
.how__panel .panel__media { aspect-ratio: 4 / 5; max-height: 80svh; }
.how__text { grid-column: 8 / span 5; display: grid; gap: 1.5rem; justify-items: start; }
.how__text h2 { max-width: 12ch; }
.how__body { max-width: 42ch; }
.steps { position: relative; width: 100%; margin-block: 1rem 1.5rem; }
.steps__strand { position: absolute; left: 14px; right: 14px; top: 14px; height: 1px; background: var(--line-dark); }
.steps__fill { position: absolute; inset: 0; background: var(--lime); box-shadow: 0 0 12px rgba(212, 250, 131, .55); transform: scaleX(var(--fill, 0)); transform-origin: left; height: 2px; top: -.5px; }
.steps__list { position: relative; display: flex; justify-content: space-between; }
.steps__list li {
  display: grid; justify-items: center; gap: .75rem;
  font-family: var(--f-display); font-weight: 700; font-stretch: 78%; font-size: var(--fs-label); letter-spacing: .08em;
  color: var(--mist-70); transition: color .4s;
}
.steps__list li .knot::before { background: var(--deep); transition: background-color .4s, box-shadow .4s; }
.steps__list li.is-lit { color: var(--mist); }
.steps__list li.is-lit .knot::before { background: var(--lime); box-shadow: 0 0 14px rgba(212, 250, 131, .6); }
@media (max-width: 899px) {
  .how__grid { grid-template-columns: minmax(0, 1fr); }
  .how__panel, .how__text { grid-column: 1; }
  .steps__strand { left: 14px; right: auto; top: 14px; bottom: 14px; width: 1px; height: auto; }
  .steps__fill { transform: scaleY(var(--fill, 0)); transform-origin: top; width: 2px; height: auto; left: -.5px; top: 0; }
  .steps__list { flex-direction: column; gap: 1.1rem; }
  .steps__list li { grid-auto-flow: column; justify-content: start; align-items: center; gap: 1rem; }
}

/* ---------- Looking ahead ---------- */
.ahead__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); row-gap: 3rem; align-items: center; }
.ahead__text { grid-column: 1 / span 6; display: grid; gap: 1.5rem; justify-items: start; }
.ahead__text h2 { max-width: 13ch; }
.ahead__body { font-size: var(--fs-lead); line-height: 1.45; max-width: 36ch; color: var(--ink); }
.ahead__panel { grid-column: 7 / span 6; box-shadow: var(--shadow-float); }
.ahead__panel::before { background: var(--forest); box-shadow: none; }
.ahead__panel .panel__media { aspect-ratio: 5 / 6; }
.ahead__panel .panel__media::after { background: linear-gradient(180deg, rgba(10, 38, 33, 0) 35%, rgba(10, 38, 33, .85) 100%); }
.ahead__words {
  position: absolute; z-index: 3; left: clamp(1.25rem, 3vw, 2.5rem); bottom: clamp(1.25rem, 3vw, 2.5rem);
  display: grid;
  font: 800 clamp(2.5rem, 5.4vw, 5.25rem)/.88 var(--f-display); font-stretch: 75%;
  letter-spacing: -.02em; color: var(--mist);
}
.ahead__words span { display: block; overflow: hidden; }
html.motion .ahead__panel .ahead__words span { transition: transform 1s var(--ease-strand), opacity .6s; }
html.motion .ahead__panel:not(.is-in) .ahead__words span { transform: translateY(60%); opacity: 0; }
html.motion .ahead__panel .ahead__words span:nth-child(2) { transition-delay: .12s; }
html.motion .ahead__panel .ahead__words span:nth-child(3) { transition-delay: .24s; }
@media (max-width: 899px) {
  .ahead__grid { grid-template-columns: minmax(0, 1fr); }
  .ahead__text, .ahead__panel { grid-column: 1; }
}

/* ---------- Hero on small screens ---------- */
@media (max-width: 899px) {
  .hero-home__grid { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto auto; padding-top: calc(var(--header-h) + 2rem); }
  .hero-home__brand, .hero-home__panel, .hero-home__bar { grid-column: 1; }
  .hero-home__panel { grid-row: 2; padding: 2rem 0 1.5rem; }
  .persona-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: .25rem; width: 100%; padding: .25rem; border: 1px solid var(--line-dark); border-radius: 999px; }
  .persona-tab { border-radius: 999px; padding: .6rem .25rem; text-align: center; }
  .persona-tab[aria-selected="true"] { background: var(--lime); color: var(--ink); }
  .persona-tab .long { display: none; }
  .persona-tab .short { display: inline; }
  .persona-knot { display: none; }
  .persona-actions .btn { width: 100%; }
  .hero-home__bar { flex-wrap: wrap; }
  .hero-home__pillars { flex-basis: 100%; }
  .mission { min-height: 110svh; }
  .mission__grid { grid-template-columns: minmax(0, 1fr); }
  .mission__aside, .mission__body { grid-column: 1; }
}

/* phones on their side: less space above the wordmark, so the headline stays on the first screen */
@media (orientation: landscape) and (max-height: 520px) { .hero-home__grid { padding-top: calc(var(--header-h) + 1rem); } }