/* phewLab product pages. Same paper and ink as the homepage (style.css): white,
   #111 and its greys, Fraunces italic for names, monospace for labels and for
   every picture. Nothing glows; emphasis is weight and contrast. Pictures are
   drawn in glyphs by dist/detail/; type and layout live here. Self-contained:
   the homepage keeps style.css. Motion states sit behind html.js, a class the
   page script sets when it starts, so without it the pages read in full. */
@font-face {
  font-family: "Fraunces";
  src: url("/fonts/Fraunces-Italic-variable.ttf") format("truetype");
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Fraunces";
  src: url("/fonts/Fraunces-variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: light;
  --ink: #111;
  --ink-2: #666;
  --ink-3: #888;
  --ink-4: #aaa;
  --rule: #e5e5e5;
  /* The homepage's --page-inset and --ease-out. */
  --inset: clamp(28px, 8.5vw, 160px);
  --ease: cubic-bezier(.23, 1, .32, 1);
  --mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: Arial, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --serif: "Fraunces", "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", Georgia, serif;
  --display: "Fraunces", Georgia, serif;
  --tight: -.04em;
  font-family: var(--sans);
  font-synthesis: none;
  color: var(--ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
:root:lang(zh), :root:lang(ja), :root:lang(ko) { --tight: -.02em; }
:root:lang(zh-Hant) {
  --sans: Arial, "Helvetica Neue", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --serif: "Fraunces", "Songti TC", "Noto Serif CJK TC", "Source Han Serif TC", "PMingLiU", Georgia, serif;
}
:root:lang(ja) {
  --sans: Arial, "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --serif: "Fraunces", "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif CJK JP", Georgia, serif;
}
:root:lang(ko) {
  /* Korean breaks between words, never inside one. */
  word-break: keep-all;
  --sans: Arial, "Helvetica Neue", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --serif: "Fraunces", "AppleMyungjo", "Nanum Myeongjo", "Noto Serif CJK KR", Batang, Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; overflow-x: clip; }
a { color: inherit; text-decoration: none; }
a:focus-visible, select:focus-visible { outline: 2px solid var(--ink); outline-offset: 8px; border-radius: 1px; }
::selection { color: #fff; background: #111; }
h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
canvas { display: block; }
.visually-hidden, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link:focus { position: fixed; top: 18px; left: var(--inset); z-index: 10; padding: 10px; background: #fff; }

/* Arrival through the glyph wipe: covered until the script starts clearing it. */
html.is-entering::before { content: ""; position: fixed; inset: 0; z-index: 8; background: #fff; }
.pd-wipe { position: fixed; inset: 0; z-index: 9; width: 100%; height: 100%; pointer-events: none; }

/* Header and section index: the homepage's, in the homepage's places. */
.pd-header { position: fixed; top: 0; left: 0; right: 0; z-index: 4; display: flex; justify-content: space-between; align-items: center; padding: 28px var(--inset); pointer-events: none; }
.pd-header::before { content: ""; position: absolute; inset: 0 0 -38px; z-index: -1; background: linear-gradient(#fff 20%, rgb(255 255 255 / .88) 75%, transparent); opacity: 0; transition: opacity .3s ease; }
.is-scrolled .pd-header::before { opacity: 1; }
.pd-header a { pointer-events: auto; }
.pd-wordmark { display: inline-block; font-size: 17px; font-weight: 700; letter-spacing: -.65px; line-height: 1.5; }
.pd-wordmark span { display: inline-block; font-weight: 600; letter-spacing: -.067em; line-height: 1.08; }
.pd-back { display: inline-flex; align-items: center; gap: 10px; min-height: 32px; color: var(--ink-2); font-size: 13px; transition: color 160ms ease; }
.pd-back:hover { color: var(--ink); }
.pd-rail { position: fixed; left: 2vw; top: 50%; z-index: 3; transform: translateY(-50%); display: flex; flex-direction: column; }
.pd-rail a { position: relative; display: flex; align-items: center; width: 38px; min-height: 32px; }
.pd-rail a::before { content: ""; width: 10px; height: 1px; background: var(--ink-4); transition: width 160ms ease, background 160ms ease; }
.pd-rail a[aria-current]::before, .pd-rail a:hover::before, .pd-rail a:focus-visible::before { width: 23px; background: var(--ink); }
.pd-rail span { position: absolute; left: 36px; padding: 5px 8px; background: #fff; font-size: 14px; white-space: nowrap; opacity: 0; pointer-events: none; }
.pd-rail a:hover span, .pd-rail a:focus-visible span { opacity: 1; }

/* A bracketed monospace label, as on the homepage's first screen. */
.pd-kicker { font-family: var(--mono); font-size: 13px; line-height: 1.5; letter-spacing: -.025em; }
.pd-kicker::before { content: "[ "; }
.pd-kicker::after { content: " ]"; }

/* Opening screen. The name sits exactly where the homepage sets it, so coming
   from there the page seems to open in place; the picture takes the side where
   the homepage keeps its ASCII, and is drawn on the canvas behind. */
.pd-hero { position: relative; display: flex; min-height: 100svh; overflow: clip; isolation: isolate; }
.pd-hero-art { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; animation: pd-fade 1.1s ease backwards; }
.pd-hero-inner { position: relative; z-index: 1; display: flex; flex-direction: column; width: 100%; padding: max(170px, 29svh) var(--inset) 42px; }
.pd-hero-copy { position: relative; max-width: min(544px, 44vw); }
.pd-hero-copy .pd-kicker { position: absolute; left: 0; bottom: calc(100% + 26px); white-space: nowrap; }
.pd-title { font-family: var(--display); font-size: clamp(64px, 8.6vw, 144px); font-style: italic; font-weight: 250; font-optical-sizing: none; font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 144; line-height: 1.08; letter-spacing: -.035em; white-space: nowrap; }
.pd-lead { margin-top: 24px; font-size: clamp(20px, 2.1vw, 30px); line-height: 1.5; letter-spacing: -.025em; text-wrap: balance; }
.pd-intro { max-width: 34em; margin-top: 22px; color: var(--ink-2); font-size: 16px; line-height: 1.95; text-wrap: pretty; }
.pd-cta { display: inline-flex; align-items: center; gap: 16px; min-height: 44px; margin-top: 26px; font-size: 14px; }
.pd-cta > span:first-child { text-decoration: underline transparent; text-decoration-thickness: 1px; text-underline-offset: 6px; transition: text-decoration-color 160ms ease; }
.pd-cta-arrow { font-size: 22px; line-height: 1; transition: transform .4s var(--ease); }
.pd-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0 36px; margin-top: 26px; }
.pd-actions .pd-cta { margin-top: 0; }
@media (hover: hover) {
  .pd-cta:hover > span:first-child { text-decoration-color: currentColor; }
  .pd-cta:hover .pd-cta-arrow { transform: translateY(4px); }
  .pd-cta-store:hover .pd-cta-arrow { transform: translate(3px, -3px); }
}
.pd-hero-stage { flex: 1; }
.pd-hero-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 6px 40px; padding-top: 48px; color: var(--ink-3); font-size: 13px; line-height: 1.8; }
.pd-formats { letter-spacing: .04em; }
.pd-hero-copy > *, .pd-hero-foot { animation: pd-in .9s var(--ease) backwards; }
.pd-title { animation-delay: .05s; }
.pd-lead { animation-delay: .12s; }
.pd-intro { animation-delay: .18s; }
.pd-cta, .pd-actions { animation-delay: .24s; }
.pd-hero-foot { animation-delay: .36s; }
@keyframes pd-in { from { opacity: 0; transform: translate3d(0, 9px, 0); } }
@keyframes pd-fade { from { opacity: 0; } }
/* Scrolling on hands the opening over the way the homepage's chapters do
   (--out is set by main.js). */
.js .pd-hero-inner { opacity: calc(1 - var(--out, 0) * 1.3); transform: translate3d(0, calc(var(--out, 0) * -9px), 0); }
.js .pd-hero-art { opacity: calc(1 - var(--out, 0) * 1.15); }

/* Both drifting rows run off the page through a soft edge, not a cut. */
.pd-band, .pd-shelf { -webkit-mask-image: linear-gradient(to right, transparent, #000 var(--inset), #000 calc(100% - var(--inset)), transparent); mask-image: linear-gradient(to right, transparent, #000 var(--inset), #000 calc(100% - var(--inset)), transparent); }
/* Monostare: two rows of formats drifting against each other. */
.pd-band { display: grid; gap: .1em; padding: clamp(36px, 6vw, 96px) 0; overflow: clip; font-size: clamp(44px, 7.4vw, 124px); }
.pd-band-row { display: flex; width: max-content; will-change: transform; }
.pd-band .pd-band-row > span { display: inline-flex; align-items: center; padding-left: .22em; font-family: var(--display); font-style: italic; font-weight: 250; font-optical-sizing: none; font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 144; line-height: 1.08; letter-spacing: -.035em; white-space: nowrap; transition: color .3s ease; }
.pd-band .pd-band-row > span::after { content: "/"; margin-left: 1.1em; color: var(--ink-4); font-family: var(--mono); font-size: .15em; font-style: normal; letter-spacing: 0; }
.pd-band .pd-band-row > span:nth-child(even) { color: #cfcfcf; }
@media (hover: hover) { .pd-band .pd-band-row > span:nth-child(even):hover { color: var(--ink); transition-duration: .05s; } }

/* Collata: a shelf of spines gliding past, drawn in line. */
.pd-shelf { padding-top: clamp(26px, 4vw, 60px); overflow: clip; border-bottom: 1px solid var(--ink); }
.pd-shelf-row { --shelf: clamp(200px, 27vw, 390px); align-items: flex-end; height: var(--shelf); margin-bottom: -1px; }
.pd-spine { position: relative; display: flex; flex: none; align-items: center; justify-content: space-between; width: var(--w); height: calc(var(--h) * 100%); margin-right: -1px; padding: 18px 0 16px; border: 1px solid var(--ink); background: #fff; color: var(--ink); writing-mode: vertical-rl; transform-origin: 0 100%; transition: transform .18s var(--ease); }
.pd-spine[type="button"] { appearance: none; border-radius: 0; cursor: pointer; font: inherit; text-align: start; }
.pd-spine.is-taken { opacity: .15; }
.pd-spine:focus-visible { outline: 2px solid var(--ink); outline-offset: -5px; }
.pd-spine::before, .pd-spine::after { content: ""; position: absolute; left: 0; right: 0; height: 1px; background: currentColor; opacity: .34; }
.pd-spine::before { top: 9px; }
.pd-spine::after { bottom: 8px; }
.pd-spine em { font-family: var(--serif); font-size: clamp(15px, 1.45vw, 21px); font-style: normal; font-weight: 400; letter-spacing: .04em; white-space: nowrap; }
.pd-spine:lang(en) em { font-style: italic; font-weight: 300; letter-spacing: 0; }
.pd-spine small { font-family: var(--mono); font-size: 9px; letter-spacing: .1em; opacity: .62; white-space: nowrap; }
.pd-spine:not(:lang(en)) small { font-family: var(--serif); font-size: 11px; letter-spacing: .08em; }
/* A leaning book needs the room it leans into: its height times sin 5°. */
.pd-spine.is-lean { transform: rotate(-5deg); margin-left: calc(var(--h) * var(--shelf) * .088); }

/* A book comes out before its download begins. Native dialog owns focus/Escape. */
html.is-book-open { overflow: hidden; }
.pd-download { position: fixed; inset: 0; width: 100%; height: 100%; max-width: none; max-height: none; margin: 0; padding: 28px; border: 0; background: transparent; color: var(--ink); overflow: auto; }
.pd-download[open] { display: flex; align-items: center; justify-content: center; }
.pd-download::backdrop { background: rgb(255 255 255 / .94); }
.pd-download-stage { width: min(330px, 100%); text-align: center; }
.pd-download-book { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; width: min(250px, 70vw); height: min(350px, 53svh); min-height: 180px; margin: 0 auto; padding: 32px 25px 44px 37px; border: 1px solid var(--ink); background: #fff; color: var(--ink); transform-origin: center; box-shadow: 7px 5px 0 #fff, 8px 6px 0 var(--ink); }
.pd-download-book::before { content: ''; position: absolute; top: 0; bottom: 0; left: 14px; border-left: 1px solid currentColor; opacity: .4; }
.pd-download-book h2 { margin: 12px 0 20px; font-family: var(--serif); font-size: clamp(23px, 5vw, 36px); font-weight: 400; line-height: 1.35; overflow-wrap: anywhere; }
.pd-download-book:lang(en) h2 { font-size: clamp(23px, 4.6vw, 28px); font-style: italic; font-weight: 300; overflow-wrap: normal; }
.pd-download-author { font-family: var(--serif); font-size: 12px; line-height: 1.6; }
.pd-download-format, .pd-download-mark { font-family: var(--mono); font-size: 9px; letter-spacing: .13em; opacity: .6; }
.pd-download-mark { position: absolute; bottom: 24px; }
.pd-download-caption { margin-top: 32px; opacity: 0; transition: opacity .18s var(--ease); font-size: 12px; line-height: 1.8; color: var(--ink-2); }
.pd-download-caption.is-ready { opacity: 1; }
.pd-download-caption p { margin: 0; }
.pd-download-caption p:first-child { color: var(--ink); }
.pd-download-seconds { display: inline-block; margin-inline-start: 12px; min-width: 28px; font-variant-numeric: tabular-nums; }
.pd-download-close { position: absolute; top: 22px; right: var(--inset); display: grid; place-items: center; width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; color: var(--ink); cursor: pointer; }
.pd-download-close svg { width: 24px; height: 24px; }
.pd-download-close:focus-visible { outline: 1px solid var(--ink); outline-offset: -4px; }
@media (prefers-reduced-motion: reduce) { .pd-shelf .pd-spine { transition: none; } }
.s-ink { background: var(--ink); color: #fff; }
.s-grey { background: #efefef; }
.s-hatch { background: repeating-linear-gradient(135deg, #fff 0 5px, #dcdcdc 5px 6px); }
@media (hover: hover) and (pointer: fine) {
  .pd-spine:hover { transform: translateY(-14px); }
  .pd-spine.is-lean:hover { transform: rotate(0) translateY(-14px); }
}

.pd-h2 { max-width: 21em; font-size: clamp(26px, 3.1vw, 44px); font-weight: 400; line-height: 1.4; letter-spacing: var(--tight); text-wrap: balance; }

/* Features: copy scrolls past a pinned figure that plays each one. */
.pd-features { padding: clamp(84px, 12vw, 180px) var(--inset) 0; }
.pd-showcase { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 110px); }
.pd-feature-list { padding: 4svh 0 22svh; counter-reset: feature; }
.pd-feature { display: flex; flex-direction: column; justify-content: center; min-height: 64svh; counter-increment: feature; }
/* A numeral in the type of the product names heads each feature. */
.pd-feature::before { content: counter(feature, decimal-leading-zero); margin: 0 0 clamp(12px, 1.4vw, 22px) -.03em; font-family: var(--display); font-size: clamp(64px, 7.2vw, 116px); font-style: italic; font-weight: 250; font-optical-sizing: none; font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 144; line-height: .9; letter-spacing: -.04em; }
.js .pd-feature { opacity: .2; transition: opacity .5s ease; }
.js .pd-feature.is-active { opacity: 1; }
.pd-feature h3 { font-size: clamp(22px, 2.5vw, 32px); font-weight: 400; line-height: 1.4; letter-spacing: var(--tight); text-wrap: balance; }
.pd-feature p { max-width: 30em; margin-top: 14px; color: var(--ink-2); font-size: 16px; line-height: 1.95; text-wrap: pretty; }
.pd-stage { position: sticky; top: 0; display: flex; align-items: center; height: 100svh; }
.pd-figure { width: 100%; max-width: min(640px, 74svh); margin-inline: auto; }
.pd-screen { border: 1px solid var(--rule); background: #fff; }
.pd-screen-canvas { width: 100%; aspect-ratio: 52 / 45.6; }
.pd-screen-bar { display: flex; justify-content: space-between; gap: 16px; padding-top: 12px; color: var(--ink-3); font-family: var(--mono); font-size: 11px; line-height: 1.5; white-space: nowrap; }
.pd-screen-file { overflow: hidden; color: var(--ink); text-overflow: ellipsis; }
.pd-mini { display: none; }
/* Without scripting nothing can play: the copy takes the full width. */
html:not(.js) .pd-showcase { display: block; }
html:not(.js) .pd-stage { display: none; }
html:not(.js) .pd-feature { min-height: 0; padding: clamp(30px, 5vw, 56px) 0; border-top: 1px solid var(--rule); }
html:not(.js) .pd-feature-list { padding: clamp(24px, 4vw, 48px) 0 0; }
html:not(.js) .pd-hero-stage { min-height: 0; }
html:not(.js) .pd-header::before { opacity: 1; }

/* Closing statement, inked in word by word as it is read, then the fact sheet. */
.pd-statement { margin: 0 var(--inset); padding: clamp(84px, 12vw, 180px) 0 clamp(64px, 9vw, 130px); border-top: 1px solid var(--rule); }
.pd-statement-title { max-width: 14em; font-size: clamp(30px, 4.2vw, 64px); line-height: 1.25; }
.pd-statement-body { max-width: 36em; margin-top: clamp(24px, 3vw, 44px); color: var(--ink-2); font-size: clamp(16px, 1.3vw, 19px); line-height: 1.95; text-wrap: pretty; }
.pd-spec { display: grid; grid-template-columns: 1.2fr 1.2fr 1fr; gap: 32px; margin-top: clamp(52px, 7vw, 100px); }
.pd-spec dt { margin-bottom: 12px; color: #767676; font-size: 12px; }
.pd-spec dd { font-size: 14px; line-height: 1.9; }
.pd-chips li { display: inline; }
.pd-chips li + li::before { content: " / "; color: var(--ink-4); }

/* The way out: the other product, set like a homepage chapter, its picture
   waiting faintly where the homepage keeps its ASCII. */
.pd-next { position: relative; margin: 0 var(--inset); padding: clamp(56px, 7vw, 100px) 0 clamp(64px, 8vw, 120px); border-top: 1px solid var(--rule); isolation: isolate; }
.pd-next-art { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; opacity: .17; transition: opacity .6s ease; }
.pd-next.is-hot .pd-next-art { opacity: 1; }
.pd-next-link { display: inline-block; margin-top: clamp(14px, 1.6vw, 24px); font-family: var(--display); font-size: clamp(64px, 8.6vw, 144px); font-style: italic; font-weight: 250; font-optical-sizing: none; font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 144; line-height: 1.08; letter-spacing: -.035em; white-space: nowrap; text-decoration-line: underline; text-decoration-color: transparent; text-decoration-thickness: .035em; text-underline-offset: .13em; transition: text-decoration-color 160ms ease; }
.pd-next-arrow { display: inline-block; width: .28em; height: .28em; margin: .08em 0 0 .09em; vertical-align: top; }
@media (hover: hover) and (pointer: fine) { .pd-next-link:hover { text-decoration-color: currentColor; } }

.pd-footer { display: flex; justify-content: space-between; align-items: center; gap: 16px 24px; margin: 0 var(--inset); padding: 28px 0 max(28px, env(safe-area-inset-bottom)); border-top: 1px solid var(--rule); }
.pd-footer-links { display: flex; flex-wrap: wrap; gap: 6px 22px; margin-right: auto; color: var(--ink-2); font-size: 13px; }
.pd-footer-links a { text-decoration: underline transparent; text-underline-offset: 5px; transition: color 160ms ease, text-decoration-color 160ms ease; }
.pd-footer-links a:hover, .pd-footer-links a[aria-current] { color: var(--ink); text-decoration-color: currentColor; }
.language-settings { display: flex; align-items: center; gap: 12px; color: var(--ink-3); font-size: 13px; }
.language-settings select { max-width: 100%; min-height: 44px; padding: 8px 30px 8px 12px; border: 1px solid #ddd; border-radius: 0; background-color: #fff; color: #555; font: inherit; cursor: pointer; }

/* Plain documents (privacy policy, support): the same paper, one column of text.
   Each language is its own article; the one matching <html lang> shows, and
   languages without a version of their own read the English. */
.pd-doc { padding: max(150px, 22svh) var(--inset) clamp(64px, 9vw, 120px); }
.pd-doc article { display: none; max-width: 44em; }
html[lang="zh-Hans"] .pd-doc [data-lang="zh-Hans"], html[lang="zh-Hant"] .pd-doc [data-lang="zh-Hant"], html:not([lang^="zh"]) .pd-doc [data-lang="en"] { display: block; }
.pd-doc .pd-kicker { margin-bottom: 26px; }
.pd-doc h1 { font-size: clamp(30px, 4.2vw, 64px); font-weight: 400; line-height: 1.25; letter-spacing: var(--tight); }
.pd-doc-date { margin-top: 18px; color: var(--ink-3); font-size: 13px; }
.pd-doc h2 { margin-top: clamp(44px, 5vw, 64px); font-size: clamp(19px, 1.7vw, 24px); font-weight: 400; line-height: 1.5; letter-spacing: -.02em; }
.pd-doc p, .pd-doc li, .pd-doc dd { color: var(--ink-2); font-size: 16px; line-height: 1.95; text-wrap: pretty; }
.pd-doc p, .pd-doc ul { margin-top: 16px; }
.pd-doc li { position: relative; padding-left: 1.3em; }
.pd-doc li::before { content: "–"; position: absolute; left: 0; color: var(--ink-4); }
.pd-doc li + li { margin-top: 6px; }
.pd-doc strong { color: var(--ink); font-weight: 400; }
.pd-doc dl { margin: 0; }
.pd-doc dt { margin-top: 30px; font-size: 17px; line-height: 1.6; }
.pd-doc dd { margin-top: 8px; }
.pd-doc a { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; color: var(--ink); overflow-wrap: anywhere; }
.pd-doc-mail { margin-top: 22px; font-family: var(--mono); font-size: clamp(17px, 1.7vw, 22px); letter-spacing: -.025em; }

/* Scroll-led reveals. `words`: heading words rise in turn when first seen.
   `read`: words ink in with --p, the element's progress through the viewport. */
.js [data-reveal="words"] .w { display: inline-block; opacity: 0; transform: translate3d(0, 9px, 0); transition: opacity .7s ease, transform .9s var(--ease); transition-delay: calc(var(--i) * 40ms); }
.js [data-reveal="words"].is-in .w { opacity: 1; transform: none; }
.js [data-reveal="read"] .w { opacity: clamp(.2, calc((var(--p, 0) * (var(--n) + 5) - var(--i)) / 4), 1); }
.js .pd-rise { opacity: 0; transform: translate3d(0, 9px, 0); transition: opacity .8s ease, transform .9s var(--ease); }
.js .pd-rise.is-in { opacity: 1; transform: none; }
.js .pd-rise:nth-child(2) { transition-delay: .08s; }
.js .pd-rise:nth-child(3) { transition-delay: .16s; }

@media (max-width: 899px) {
  /* One column: the picture takes a band between the copy and the foot line. */
  .pd-hero-inner { padding-top: max(118px, 16svh); padding-bottom: 32px; }
  .pd-hero-copy { max-width: 34em; }
  .pd-hero-stage { min-height: clamp(230px, 38svh, 380px); margin-top: 10px; }
  .pd-hero-foot { padding-top: 14px; }
  .pd-showcase { display: block; }
  .pd-stage { display: none; }
  .pd-feature-list { padding: clamp(20px, 5vw, 44px) 0 0; }
  .pd-feature { min-height: 0; padding: clamp(30px, 7vw, 56px) 0; border-top: 1px solid var(--rule); }
  .pd-feature::before { font-size: clamp(52px, 13vw, 84px); }
  .js .pd-feature { opacity: 1; }
  .pd-mini { display: block; margin-top: 22px; }
  .pd-mini + p { margin-top: 20px; }
  .pd-features { padding-bottom: clamp(30px, 7vw, 56px); }
  .pd-spec { grid-template-columns: 1fr; gap: 24px; }
  .pd-spec dt { margin-bottom: 6px; }
  .pd-next-art { display: none; }
  /* Short spines have room for a title only. */
  .pd-spine small { display: none; }
}
@media (max-width: 600px) {
  .pd-header { padding-top: 24px; }
  .pd-rail { display: none; }
  .pd-title { font-size: clamp(48px, 12.6vw, 76px); }
  .pd-hero-copy .pd-kicker { bottom: calc(100% + 18px); }
  .pd-lead { margin-top: 18px; font-size: 20px; }
  .pd-intro { margin-top: 16px; font-size: 15px; }
  .pd-cta { margin-top: 16px; }
  .pd-actions { margin-top: 16px; }
  .pd-hero-foot { font-size: 12px; }
  .pd-feature p { font-size: 15px; }
  .pd-statement-body { font-size: 15px; }
  .pd-spine em { font-size: 14px; }
  .pd-footer { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js [data-reveal] .w, .js .pd-rise, .js .pd-feature { opacity: 1; transform: none; }
  .js .pd-hero-inner, .js .pd-hero-art { opacity: 1; transform: none; }
}