/* Sections B: display, story, band, closers, footer, responsive collapse. */

.pi-display { background: var(--off-white); padding-block: clamp(90px, 15vh, 170px) clamp(60px, 9vh, 110px);
  display: flex; flex-direction: column; align-items: center; gap: 3.6rem; }
.pi-display__label { display: flex; align-items: center; gap: 8px; font-size: 1.4rem;
  color: var(--muted-on-light); }
.pi-display__label img { width: 14px; height: 14px; }
.pi-display__stage { display: grid; }
.pi-display__stage > * { grid-area: 1 / 1; }
.pi-display__title { justify-self: center; align-self: start; text-align: center; margin: 0;
  font-size: clamp(6rem, 13vw, 14rem); line-height: 1.5; letter-spacing: 0.008em; font-weight: 300;
  color: var(--blue); }
.pi-display .pi-msg { justify-self: center; align-self: center; width: 280px; max-width: 88vw;
  margin: 0; position: relative; top: 1.3rem; z-index: 2; height: 15rem; overflow: hidden;
  padding: 1.4rem 1.4rem 0; }
.pi-display .pi-msg .pi-msg__head { margin-bottom: 0.8rem; }
.pi-display .pi-msg .pi-msg__avatar { width: 22px; height: 22px; }
.pi-display .pi-msg .pi-msg__avatar svg { width: 9px; height: 12px; }
.pi-display .pi-msg .pi-msg__body { font-size: 1.4rem; line-height: 1.3; margin-bottom: 1rem; }
.pi-display .pi-msg .pi-msg__input { padding: 1rem 0; font-size: 1.3rem; }
.pi-display__foot { width: 100%; display: flex; align-items: flex-end; justify-content: space-between;
  gap: 2.4rem; flex-wrap: wrap; }
.pi-display__note { font-size: 2.7rem; line-height: 1.25; letter-spacing: -0.02em; font-weight: 300;
  text-align: left; max-width: 34ch; margin-left: 20.5%; flex-shrink: 0; }
.pi-display__explore { display: flex; align-items: center; gap: 1rem; }
.pi-display__explore-label { font-size: 1.4rem; color: var(--muted-on-light); margin-right: 4px; }

.pi-story__block { padding-block: clamp(64px, 10vh, 130px); }
.pi-story__block + .pi-story__block { border-top: .5px solid var(--hairline-on-dark); }
.pi-story__heading { font-size: 2.7rem; line-height: 1.25; letter-spacing: -0.02em; font-weight: 300;
  margin: 1.2rem 0 1.8rem; }
.pi-story__title { font-size: 1.6rem; font-weight: 500; margin-bottom: 1.8rem; }
.pi-story__p { font-size: 1.6rem; line-height: 1.4; letter-spacing: -0.02em; color: var(--muted-on-dark); max-width: 48ch; }
.pi-story__p + .pi-story__p { margin-top: 1.6rem; }
.pi-note-col { font-size: 1.4rem; color: var(--muted-on-dark); max-width: 26ch; }
.pi-story__asterisk { color: var(--blue); margin-right: 4px; }

.pi-band { padding-block: clamp(90px, 15vh, 170px); }
.pi-band__num { font-size: 1.4rem; opacity: .8; }
.pi-band .pi-main-col { grid-column: 2 / -1; display: flex; flex-direction: column; gap: 1.6rem; padding-left: 6rem; }
.pi-band__heading { font-size: 3.8rem; line-height: 1.15; letter-spacing: -0.01em; font-weight: 300; }
.pi-band__sub { font-size: 1.6rem; color: rgba(242, 242, 244, .75); }
.pi-band__link { display: inline-flex; align-items: center; gap: 12px; font-size: 1.6rem;
  width: fit-content; transition: gap 300ms var(--ease-hover), opacity 300ms var(--ease-hover); }
.pi-band__link:hover { gap: 18px; opacity: .82; }
.pi-pill-icon { display: flex; align-items: center; justify-content: center; width: 32px; height: 32px;
  border-radius: 50%; border: 1px solid rgba(242, 242, 244, .5); flex-shrink: 0; }

.pi-closers { background: var(--off-white); padding-block: clamp(90px, 15vh, 170px); display: grid;
  grid-template-columns: 20.5% 20.6% 20.5% 20.6% 1fr; column-gap: 0; }
.pi-closers > div:nth-child(1) { grid-column: 2 / 4; }
.pi-closers > div:nth-child(2) { grid-column: 4 / -1; }
.pi-closer__num { color: var(--blue); font-size: 1.4rem; display: block; margin-bottom: 1.6rem; }
.pi-closer__heading { font-size: 2.7rem; line-height: 1.25; letter-spacing: -0.02em; font-weight: 300;
  margin-bottom: 1.6rem; padding-left: 6rem; }
.pi-closer__body { font-size: 1.6rem; line-height: 1.4; letter-spacing: -0.02em;
  color: var(--muted-on-light); max-width: 40ch; margin-bottom: 2rem; padding-left: 6rem; }
.pi-closers .pi-arrowlink { padding-left: 6rem; }

.pi-footer { padding-block: clamp(70px, 11vh, 130px) 2.4rem; }
.pi-footer__top { display: grid; grid-template-columns: 20.5% 20.6% 20.5% 20.6% 1fr; column-gap: 0;
  align-items: start; padding-bottom: clamp(56px, 10vh, 120px); }
.pi-footer__mark { grid-column: 1; font-size: 2.7rem; letter-spacing: -0.01em; }
.pi-footer__nav { grid-column: 4; display: flex; flex-direction: column; gap: 4rem; }
.pi-footer__col { display: flex; flex-direction: column; gap: 1.4rem; }
.pi-footer__num { font-size: 1.3rem; color: var(--muted-on-dark); margin-bottom: 0.6rem; }
.pi-footer__col a { font-size: 2.7rem; letter-spacing: -0.01em; padding-left: 13.5rem;
  transition: color 300ms var(--ease-hover); }
.pi-footer__col a:hover { color: var(--blue); }
.pi-footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 1.6rem;
  padding-top: 2.4rem; flex-wrap: wrap; }
.pi-footer__glyph { width: 14px; height: 20px; color: var(--muted-on-dark); }
.pi-footer__legal { display: flex; gap: 2rem; }
.pi-footer__legal a, .pi-footer__copy { font-size: 1.3rem; color: var(--muted-on-dark); }
.pi-footer__legal a:hover { color: var(--off-white); }

@media (max-width: 900px) {
  :root { --gutter: 6vw; }
  html[data-badge="on"] .pi-badge-rail__inner { display: none; }
  .pi-grid, .pi-meta.pi-grid, .pi-glossary.pi-grid { grid-template-columns: 1fr; }
  .pi-label-col, .pi-main-col, .pi-note-col, .pi-glossary__head, .pi-glossary__list,
  .pi-row__label, .pi-row__statement { grid-column: 1; }
  .pi-row { grid-template-columns: 1fr; }
  .pi-row__statement { margin-top: 1rem; }
  .pi-note-col { margin-top: 2.4rem; }
  .pi-glossary__list { grid-template-columns: 1fr; gap: 2.4rem; margin-top: 1.6rem; }
  .pi-meta.pi-grid { row-gap: 2.4rem; padding-left: 0; }
  .pi-nav__links { gap: 1.8rem; }
  .pi-nav__links a { font-size: 1.3rem; }
  .pi-nav__sub { display: none; }
  .pi-hero { min-height: 130svh; }
  .pi-hero__line { top: 100%; bottom: auto; transform: translateX(-50%); width: auto;
    max-width: 30ch; margin-top: 1.2rem; font-size: 1.4rem; color: rgba(15, 16, 18, .6); text-shadow: none; }
  .pi-band .pi-main-col { grid-column: 1; padding-left: 0; }
  .pi-display__stage { display: block; width: 100%; }
  .pi-display__title { font-size: clamp(5.6rem, 14vw, 14rem); }
  .pi-display .pi-msg { width: 100%; max-width: none; margin: 3rem 0 0; height: auto; overflow: visible; top: 0; }
  .pi-display__foot { flex-direction: column; align-items: flex-start; }
  .pi-display__note { margin-left: 0; }
  .pi-closers { grid-template-columns: 1fr; gap: 56px; }
  .pi-closers > div:nth-child(1), .pi-closers > div:nth-child(2) { grid-column: 1; }
  .pi-closer__heading, .pi-closer__body, .pi-closers .pi-arrowlink { padding-left: 0; }
  .pi-footer__top { display: flex; flex-direction: column; gap: 40px; }
  .pi-footer__nav { gap: 2.4rem; }
  .pi-footer__col a { padding-left: 0; }
  .pi-footer__bottom { flex-direction: column; align-items: flex-start; gap: 1.2rem; }
}