/* A chapter's words: who it is for, a bold statement with its points, the control the scroll moves through,
   and how to get the app. Bold words carry the message; the rest supports them at a softer ink. */
/* the column sits between the nav and the rail; everything in it scales with the window */
.ch {
  position: absolute; top: 76px; bottom: 64px; left: clamp(28px, 6.4vw, 120px); width: clamp(360px, 36vw, 840px); z-index: 5;
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: clamp(14px, 2.5vh, 26px); visibility: hidden;
}
.ch[data-side="right"] { left: auto; right: clamp(28px, 6.4vw, 120px); }
.ch-head { display: flex; align-items: center; gap: 14px; }
.ch-glyph {
  flex: none; width: clamp(40px, 5.6vh, 48px); height: clamp(40px, 5.6vh, 48px); border-radius: 30%; display: grid; place-items: center;
  color: #fff; background: var(--acc, var(--cobalt)); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16), 0 6px 14px rgba(8, 14, 32, 0.2);
}
.ch-glyph .i { width: 50%; height: 50%; }
.ch-head p { display: flex; flex-direction: column; gap: 2px; }
.ch-head b { font-size: clamp(17px, min(1.32vw, 2.3vh), 23px); font-weight: 740; letter-spacing: -0.01em; }
.ch-head span { font-size: clamp(13px, min(0.98vw, 1.7vh), 17px); font-weight: 560; color: var(--ink-3); text-wrap: pretty; }

/* the statements box is as tall as the tallest statement (measured), so nothing jumps */
.ch-stmts { position: relative; width: 100%; height: var(--stmts-h, clamp(270px, 44vh, 420px)); }
.stmt { position: absolute; inset: 0 0 auto; visibility: hidden; }
.stmt h2 {
  font-size: clamp(32px, min(3.9vw, 6.4vh), 84px); font-weight: 820; font-stretch: 125%; line-height: 0.98; letter-spacing: -0.035em;
  margin-bottom: clamp(12px, 2.4vh, 28px); text-wrap: balance;
}
.stmt h2 .w { display: inline-block; overflow: hidden; vertical-align: top; padding: 0.04em 0 0.1em; margin: -0.04em 0 -0.1em; }
.stmt h2 .w > span { display: inline-block; will-change: transform, opacity; }
.stmt ul { list-style: none; display: grid; gap: clamp(9px, 1.6vh, 18px); }
.stmt li { --ic: clamp(32px, 4.6vh, 40px); display: grid; grid-template-columns: var(--ic) minmax(0, 1fr); gap: clamp(11px, 1.1vw, 15px); align-items: start; will-change: transform, opacity; }
.pt-ic {
  width: var(--ic); height: var(--ic); border-radius: 30%; display: grid; place-items: center; color: var(--acc);
  background: color-mix(in oklab, var(--acc) 14%, transparent); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--acc) 22%, transparent);
}
body[data-tone="dark"] .pt-ic { color: color-mix(in oklab, var(--acc) 55%, #fff); background: color-mix(in oklab, var(--acc) 24%, transparent); }
.pt-ic .i { width: 52%; height: 52%; }
.stmt li p { --fs: clamp(14px, min(1.15vw, 2.1vh), 21px); padding-top: calc((var(--ic) - var(--fs) * 1.42) / 2); font-size: var(--fs); line-height: 1.42; color: rgba(var(--ink-rgb), var(--soft)); font-weight: 420; text-wrap: pretty; }
.stmt li b { color: var(--ink); font-weight: 680; }

/* the segmented control: aria-pressed buttons; the thumb glides with the scroll */
.seg { position: relative; display: inline-flex; padding: 4px; border-radius: 999px; background: var(--chip); box-shadow: inset 0 0 0 1px var(--line); }
.seg-thumb { position: absolute; left: 0; top: 4px; bottom: 4px; width: 0; border-radius: 999px; background: var(--thumb); box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18); }
.seg { --sh: clamp(32px, 4.6vh, 44px); --sp: clamp(9px, 1.05vw, 18px); --segf: clamp(12.5px, min(1.02vw, 1.8vh), 17px); max-width: 100%; }
.seg button { position: relative; z-index: 1; height: var(--sh); padding: 0 var(--sp); border-radius: 999px; font-size: var(--segf); font-weight: 620; white-space: nowrap; color: var(--ink-2); }
.seg button:hover { color: var(--ink); }
.seg-ink { position: absolute; inset: 0; z-index: 2; display: flex; padding: 4px; pointer-events: none; }
.seg-ink span { height: var(--sh); padding: 0 var(--sp); display: grid; place-items: center; font-size: var(--segf); font-weight: 620; white-space: nowrap; color: var(--thumb-ink); }

/* how to get it: Apple's badge, not a pill that could be mistaken for the active segment */
.ch-get { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.badge { display: block; border-radius: 9px; }
.badge img { height: clamp(40px, 5.6vh, 48px); width: auto; }
a.badge:hover img { opacity: 0.86; }
.ch-get small { font-size: clamp(13.5px, min(0.95vw, 1.6vh), 16px); color: var(--ink-3); max-width: 26ch; line-height: 1.35; text-wrap: pretty; }
.soon { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 640; }
.soon::before { content: ""; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--acc); box-shadow: 0 0 0 4px color-mix(in oklab, var(--acc) 24%, transparent); }
.ch-get small a, .hero-get small a, .close-get small a { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; color: inherit; }
.ch-get small a:hover, .hero-get small a:hover, .close-get small a:hover { color: var(--ink); }