/* YH-M site. Rules and their sources: docs/site-design-spec.md (§8: the 2026-10-14 redesign -- the site's own
   modern look instead of the products' title bar, at the owner's request). No script anywhere: the menus are
   :hover / :focus-within / <details>, and the movement is CSS (scroll-driven where the browser has it, nothing
   where it does not, nothing at all under prefers-reduced-motion). Small grey text stays at 7:1 or more. */

@font-face {
  font-family: "YHM Sans";
  src: url("fonts/yhm-sans-latin.woff") format("woff");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "YHM Sans";
  src: url("fonts/yhm-sans-latin-500.woff") format("woff");
  font-weight: 500;
  font-display: swap;
}

:root {
  color-scheme: light;
  --bg: #f6f6f3;        /* warm paper */
  --raise: #ffffff;
  --rule: #e1e1db;
  --text: #15171a;      /* 17:1 */
  --text-2: #3a3f45;    /* 10:1 */
  --hint: #4a5057;      /* 7.4:1, the smallest grey allowed */
  --accent: #566312;    /* YH-M olive: links (underlined) and the home colour */
  --ink: #15171a;       /* primary buttons */
  --home-band: #e9ecdc;
  --fs-s: 14px; --fs-b: 17px; --fs-h3: 21px;
  --sp-1: 8px; --sp-2: 16px; --sp-3: 24px; --sp-4: 48px; --sp-5: 96px;
  --measure: 33em;
  --wrap: 1120px;
  --head-h: 64px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  /* a window's shadow: box-shadow on the window's rounded corner (cheaper than a drop-shadow filter on a moving picture).
     The first screen's pictures are not decoding="async": captured that way, a window sometimes showed as a blank
     shadow (2026-10-14) */
  --shadow-win: 0 1px 2px rgba(20, 24, 30, 0.14), 0 26px 44px -14px rgba(20, 24, 30, 0.30);
  --win-r: 7px;      /* the windows are drawn with an 8 px corner and shown scaled down */
}

* { box-sizing: border-box; }
/* below a short page the footer's colour continues (the page's own colour is on body) */
html { background: #15171a; scroll-padding-top: calc(var(--head-h) + 16px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "YHM Sans", "IBM Plex Sans", -apple-system, "Segoe UI", system-ui, sans-serif;
  font-size: var(--fs-b);
  line-height: 1.5;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;     /* the full-width bands reach past the wrap */
}
img { max-width: 100%; height: auto; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 20px; top: 8px; background: var(--raise); padding: 6px 10px; z-index: 30; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

a { color: var(--accent); }
main :is(p, li, dd) a, .site-foot p a { text-decoration: underline; text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: #3f4a0a; }

/* ── buttons: pills ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 22px;
  border-radius: 999px;
  background: var(--raise);
  border: 1px solid rgba(21, 23, 26, 0.16);
  color: var(--text);
  font-size: 16px; font-weight: 500;
  text-decoration: none;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), background 0.18s;
}
.btn:hover { color: var(--text); transform: translateY(-1px); box-shadow: 0 6px 16px -8px rgba(20, 24, 30, 0.35); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #ffffff; }
.btn.primary:hover { background: #2b2f34; color: #ffffff; }
.btn.small { min-height: 36px; padding: 0 16px; font-size: 14px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: var(--sp-3) 0 var(--sp-2); }

/* ── header: sticky; it fills in once the page moves ───────────────── */
.site-head {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--rule);
}
.head-in { display: flex; align-items: center; gap: 28px; height: var(--head-h); }
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--text); text-decoration: none;
  font-size: 20px; font-weight: 500; letter-spacing: 0.04em;
}
.brand:hover { color: var(--text); }
/* the logo (docs/logo/final: the owner's image, its background lifted off by matte.swift) */
.brand-mark { display: block; height: 34px; width: auto; }
.nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav > a, .dd-top {
  color: var(--text-2); text-decoration: none; font-size: 15px;
  padding: 8px 12px; border-radius: 999px;
  transition: background 0.15s, color 0.15s;
}
.nav > a:hover, .dd-top:hover, .dd:focus-within .dd-top { background: rgba(21, 23, 26, 0.06); color: var(--text); }
.nav > a[aria-current="page"], .dd-top[aria-current="page"] { color: var(--text); background: rgba(21, 23, 26, 0.06); }
.dd { position: relative; }
.dd-top::after {               /* the menu's chevron */
  content: ""; display: inline-block; width: 6px; height: 6px; margin-left: 8px; vertical-align: 3px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg);
  transition: transform 0.2s var(--ease);
}
.dd:hover .dd-top::after, .dd:focus-within .dd-top::after { transform: translateY(3px) rotate(-135deg); }
.dd-panel {
  position: absolute; left: -12px; top: 100%;
  width: 440px; padding: 10px;
  margin-top: 10px;
  background: var(--raise);
  border: 1px solid var(--rule);
  border-radius: 18px;
  box-shadow: 0 24px 48px -20px rgba(20, 24, 30, 0.35);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease), visibility 0s linear 0.18s;
}
.dd-panel::before { content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }  /* hover bridge */
.dd:hover .dd-panel, .dd:focus-within .dd-panel {
  opacity: 1; visibility: visible; transform: none;
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease), visibility 0s;
}
.dd-group { margin: 10px 12px 4px; color: var(--hint); font-size: 13px; }
.dd-item {
  display: grid; grid-template-columns: 28px 1fr auto; column-gap: 10px; align-items: center;
  padding: 10px 12px; border-radius: 12px; text-decoration: none; color: var(--text);
}
.dd-item:hover, .dd-item[aria-current="page"] { background: var(--p-tint); color: var(--text); }
.dd-item .p-mark { justify-self: center; }
.dd-name { font-weight: 500; }
.dd-price { color: var(--p); font-size: 14px; font-weight: 500; }
.dd-line { grid-column: 2 / -1; color: var(--text-2); font-size: 14px; line-height: 1.35; margin-top: 2px; }

/* the phone menu */
.m-menu { display: none; margin-left: auto; }
.m-menu summary {
  list-style: none; cursor: pointer;
  padding: 7px 16px; border-radius: 999px; border: 1px solid rgba(21, 23, 26, 0.16);
  font-size: 15px; font-weight: 500; background: var(--raise);
}
.m-menu summary::-webkit-details-marker { display: none; }
.m-menu[open] summary { background: var(--ink); color: #ffffff; border-color: var(--ink); }
.m-panel {
  position: absolute; left: 12px; right: 12px; top: calc(var(--head-h) - 4px);
  max-height: calc(100vh - var(--head-h) - 16px); overflow: auto;
  background: var(--raise); border: 1px solid var(--rule); border-radius: 18px;
  box-shadow: 0 24px 48px -20px rgba(20, 24, 30, 0.35);
  padding: 8px 8px 16px;
}
.m-links { display: flex; flex-wrap: wrap; gap: 4px 6px; padding: 0 6px; }
.m-links a { padding: 8px 12px; border-radius: 999px; background: rgba(21, 23, 26, 0.05); color: var(--text); text-decoration: none; font-size: 15px; }
@media (max-width: 880px) {
  .nav, .head-cta { display: none; }
  .m-menu { display: block; }
}

/* ── text ──────────────────────────────────────────────────────────── */
main.wrap { padding-top: var(--sp-4); padding-bottom: var(--sp-5); }
h1, h2, h3 { margin: 0; font-weight: 500; text-wrap: balance; }
.lead, .req, .about, .pc-line { text-wrap: pretty; }
h1 { font-size: clamp(36px, 6vw, 60px); line-height: 1.06; letter-spacing: -0.025em; margin-bottom: var(--sp-2); }
h2 { font-size: clamp(26px, 3.2vw, 34px); line-height: 1.15; letter-spacing: -0.015em; margin: var(--sp-5) 0 var(--sp-3); }
h3 { font-size: var(--fs-h3); line-height: 1.25; margin: var(--sp-3) 0 var(--sp-1); }
p { margin: 0 0 var(--sp-2); }
strong { font-weight: 500; }
main :is(p, li, dd) { max-width: var(--measure); }
.lead { color: var(--text-2); font-size: clamp(19px, 2vw, 22px); line-height: 1.45; max-width: 32em; }
.small { color: var(--hint); font-size: var(--fs-s); }
main > h2:first-child, main > h1 + .lead + h2 { margin-top: var(--sp-4); }

ul.list { padding-left: 1.2em; margin: 0 0 var(--sp-2); }
ul.list li { margin: var(--sp-1) 0; }
ol.steps { padding-left: 1.4em; margin: 0 0 var(--sp-2); }
ol.steps li { margin: var(--sp-2) 0; }
.menu { color: var(--text); font-weight: 500; white-space: nowrap; }
code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 15px; background: var(--raise); border: 1px solid var(--rule);
  border-radius: 6px; padding: 1px 6px;
}
dl.facts { display: grid; grid-template-columns: 11em 1fr; gap: var(--sp-1) var(--sp-3); margin: 0 0 var(--sp-2); }
dl.facts dt { color: var(--hint); }
dl.facts dd { margin: 0; }
@media (max-width: 560px) { dl.facts { grid-template-columns: 1fr; } dl.facts dd { margin-bottom: var(--sp-1); } }

/* a section not written yet (build.py counts them; a page with any left is not published) */
.todo {
  border: 1px dashed #9a9ea4; border-radius: 12px; color: var(--hint);
  padding: var(--sp-2); font-size: var(--fs-s); margin: 0 0 var(--sp-2); max-width: var(--measure);
}

/* ── windows: the products' own screenshots (build.py SHOTS) ───────── */
.shot-note { color: var(--hint); font-size: 13px; margin: 14px 0 0; text-align: right; max-width: none !important; }

/* ── home ──────────────────────────────────────────────────────────── */
.home-hero { padding-top: var(--sp-3); }
.home-hero h1 { font-size: clamp(40px, 7.4vw, 84px); line-height: 1.0; letter-spacing: -0.035em; max-width: 11em; }
.eyebrow { color: var(--text-2); font-size: 15px; margin-bottom: var(--sp-3); }
.eyebrow::before {
  content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); margin-right: 10px; vertical-align: 1px;
}
/* three windows overlapping, on a band of the home colour that runs the width of the page */
.stage { position: relative; z-index: 0; aspect-ratio: 1080 / 600; margin: var(--sp-4) auto 0; }
.stage::before {
  content: ""; position: absolute; z-index: -1;
  left: calc(50% - 50vw); right: calc(50% - 50vw); top: 34%; bottom: calc(-1 * var(--sp-4));
  background: var(--home-band);
}
.stage img { position: absolute; height: auto; max-width: none; border-radius: var(--win-r); box-shadow: var(--shadow-win); }
.st-back  { left: 0;   top: 0;   width: 63%; }
.st-side  { right: 0;  top: 4%;  width: 31%; }
.st-front { left: 13%; bottom: 0; width: 76%; }
.stage + .shot-note { position: relative; margin-top: calc(var(--sp-4) + 14px); }
@media (max-width: 700px) {
  .stage { aspect-ratio: 10 / 7.2; }
  .st-side { display: none; }
  .st-back { width: 82%; }
  .st-front { left: auto; right: 0; width: 98%; }
}

.home-products h2 { margin-top: var(--sp-5); }
.group-title {
  display: flex; align-items: center; gap: 12px;
  color: var(--hint); font-size: 14px; margin: var(--sp-4) 0 var(--sp-2);
}
.group-title::after { content: ""; flex: 1; height: 1px; background: var(--rule); }
.pcards { display: grid; gap: 20px; }
.pcard {
  position: relative; isolation: isolate;
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  min-height: 340px;
  background: var(--p-tint); border-radius: 28px; overflow: hidden;
  color: var(--text); text-decoration: none;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.pcard:hover { color: var(--text); transform: translateY(-3px); box-shadow: 0 28px 48px -32px color-mix(in srgb, var(--p) 70%, transparent); }
.pc-text { padding: 44px 8px 44px 44px; align-self: center; }
.pcard h3 { display: flex; align-items: center; gap: 12px; margin: 0 0 12px; font-size: clamp(26px, 3vw, 32px); letter-spacing: -0.015em; }
.pc-price {
  display: inline-block; margin: 0 0 14px; padding: 2px 12px; border-radius: 999px;
  background: var(--raise); color: var(--p); font-size: 15px; font-weight: 500;
}
.pc-price span { color: var(--text-2); font-weight: 400; margin-left: 4px; }
.pc-line { color: var(--text-2); font-size: 18px; line-height: 1.45; margin-bottom: 20px; }
.pc-more { font-size: 15px; font-weight: 500; color: var(--p); border-bottom: 1.5px solid currentColor; padding-bottom: 1px; }
.pc-peek { position: relative; min-height: 260px; }
.pc-peek img {
  position: absolute; left: 0; top: 48px; max-width: none;
  border-radius: var(--win-r); box-shadow: var(--shadow-win);
  transition: transform 0.35s var(--ease);
}
.pcard:hover .pc-peek img { transform: translate(-6px, -6px); }
@media (max-width: 760px) {
  .pcard { grid-template-columns: 1fr; min-height: 0; border-radius: 22px; }
  .pc-text { padding: 28px 24px 8px; }
  .pc-peek { min-height: 230px; }
  .pc-peek img { left: 24px; top: 16px; }
}

/* ── product page ──────────────────────────────────────────────────── */
.product { --p: var(--accent); --p-tint: #eef0e4; margin-top: calc(-1 * var(--sp-4)); }
.p-mark { flex: none; display: block; }
/* the band in the product's colour, the full width of the page */
.p-hero {
  --lap: clamp(44px, 9vw, 120px);     /* how far a wide window hangs below the band */
  margin-inline: calc(50% - 50vw);
  padding: var(--sp-5) max(20px, calc(50vw - var(--wrap) / 2 + 20px)) var(--sp-4);
  background: var(--p-tint);
}
.p-hero h1 { display: flex; align-items: center; gap: 16px; font-size: clamp(40px, 6.4vw, 72px); letter-spacing: -0.03em; }
.p-hero .lead { color: var(--text); }
.p-hero .actions { margin-top: var(--sp-3); }
.price-line { font-size: 24px; font-weight: 500; color: var(--p); margin-right: 4px; }
.req { color: var(--text-2); font-size: 15px; }
.small.ea { line-height: 1.45; text-align: left; }
.p-shot { margin: 0; }
.p-shot img { display: block; max-width: 100%; height: auto; border-radius: var(--win-r); box-shadow: var(--shadow-win); }
/* a wide window: the text centred above it, the window hanging over the band's lower edge */
.p-hero.wide {
  display: flow-root;            /* or the window's negative margin folds into the band's and nothing hangs */
  padding-bottom: 0; margin-bottom: calc(var(--lap) + var(--sp-3));
  text-align: center;
}
.p-hero.wide h1, .p-hero.wide .actions { justify-content: center; }
.p-hero.wide :is(.lead, .req, p) { margin-left: auto; margin-right: auto; text-wrap: balance; }
.p-hero.wide .p-shot { margin: var(--sp-4) auto calc(-1 * var(--lap)); width: fit-content; max-width: 100%; }
/* a tall window: beside the text on a wide screen */
.p-hero.tall .p-shot { margin: var(--sp-4) auto 0; width: fit-content; max-width: 100%; }
@media (min-width: 880px) {
  .p-hero.tall { display: grid; grid-template-columns: 1fr auto; gap: var(--sp-4); align-items: center; padding-top: var(--sp-4); }
  .p-hero.tall .p-shot { margin: 0; }
}
/* the page's sections, as pills under the hero */
.p-sections { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 0 0 var(--sp-4); }
.p-hero.tall + .p-sections { margin-top: var(--sp-3); }
.p-sections a {
  padding: 7px 14px; border-radius: 999px; font-size: 14px; color: var(--text-2); text-decoration: none;
  background: var(--raise); border: 1px solid var(--rule);
  transition: border-color 0.15s, color 0.15s;
}
.p-sections a:hover { color: var(--text); border-color: var(--p); }
.about { font-size: clamp(20px, 2.3vw, 26px); line-height: 1.4; letter-spacing: -0.005em; max-width: 30em; margin: var(--sp-4) 0 0; }
.product h2::before {           /* a short bar in the product's colour */
  content: ""; display: block; width: 32px; height: 4px; border-radius: 2px;
  background: var(--p); margin-bottom: 14px;
}
ul.feats { list-style: none; padding-left: 0; }
ul.feats li { position: relative; padding-left: 26px; }
ul.feats li::before {
  content: ""; position: absolute; left: 2px; top: 0.55em;
  width: 10px; height: 10px; border-radius: 3px; background: var(--p);
}
@media (min-width: 880px) {
  ul.feats { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 56px; }
  ul.feats li { max-width: none; }
}
.spot { margin: var(--sp-4) 0 0; padding: var(--sp-4) var(--sp-4) var(--sp-3); background: var(--p-tint); border-radius: 28px; }
.spot img { display: block; max-width: 100%; height: auto; border-radius: 12px; background: #ffffff;
  box-shadow: 0 1px 2px rgba(20, 24, 30, 0.10), 0 20px 36px -18px color-mix(in srgb, var(--p) 55%, transparent); }
.spot figcaption { margin-top: var(--sp-3); color: var(--text); font-size: 18px; max-width: var(--measure); }
@media (max-width: 560px) { .spot { padding: var(--sp-3) var(--sp-2) var(--sp-2); border-radius: 20px; } }
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: var(--sp-5) 0 0; }
@media (max-width: 760px) { .cards { grid-template-columns: 1fr; } }
.card { background: var(--raise); border: 1px solid var(--rule); border-radius: 24px; padding: 8px 32px 24px; }
.card h2 { margin-top: var(--sp-3); font-size: 26px; }
.card h3 { font-size: var(--fs-b); }
.changes h3 { color: var(--p); }
details summary { cursor: pointer; color: var(--text-2); margin: var(--sp-2) 0; }
.page-links { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-4); padding-top: var(--sp-3); border-top: 1px solid var(--rule); }
/* the other tools, at the end */
.others h2::before { display: none; }
.ocards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 860px) { .ocards { grid-template-columns: 1fr; } }
.ocard {
  display: grid; grid-template-columns: auto 1fr auto; column-gap: 10px; align-items: center;
  padding: 20px 22px; border-radius: 20px; background: var(--p-tint);
  color: var(--text); text-decoration: none;
  transition: transform 0.2s var(--ease);
}
.ocard:hover { color: var(--text); transform: translateY(-2px); }
.o-name { font-size: 19px; font-weight: 500; }
.o-price { color: var(--p); font-weight: 500; font-size: 15px; }
.o-line { grid-column: 1 / -1; margin-top: 8px; color: var(--text-2); font-size: 15px; line-height: 1.4; }

/* ── footer ────────────────────────────────────────────────────────── */
.site-foot { background: #15171a; color: #c9ccd0; }
.foot-in { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--sp-4); padding-top: 56px; padding-bottom: 40px; }
@media (max-width: 760px) { .foot-in { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }
.site-foot .brand { color: #ffffff; }
.site-foot .brand-mark { height: 40px; }
.foot-brand p { margin-top: 14px; max-width: 24em; color: #c9ccd0; }
.site-foot nav { display: flex; flex-direction: column; gap: 8px; }
.site-foot .dd-group { margin: 0 0 6px; color: #9da2a8; }
.site-foot nav a { color: #e8eaed; text-decoration: none; font-size: 15px; }
.site-foot nav a:hover { color: #ffffff; text-decoration: underline; }
.foot-base {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 32px;
  border-top: 1px solid #2c3035; padding-top: 20px; padding-bottom: 28px; color: #9da2a8; font-size: 13px;
}
.foot-base span:last-child { max-width: 44em; }

/* ── the waveform behind the titles (site/make_wave.py: a row of real sound effects, drawn as a DAW draws them).
      Faint, in the page's colour, sliding slowly sideways; still under prefers-reduced-motion ── */
.home-hero, .p-hero { position: relative; }
.home-hero > :not(.wave-bg), .p-hero > :not(.wave-bg) { position: relative; z-index: 1; }
.wave-bg {
  position: absolute; z-index: 0; pointer-events: none; overflow: hidden;
  left: 0; right: 0; height: 160px;
  color: var(--p); opacity: 0.11;
}
.home-hero > .wave-bg { left: calc(50% - 50vw); right: calc(50% - 50vw); top: 52px; }
.p-hero > .wave-bg { top: 70px; }
.p-hero.tall > .wave-bg { top: auto; bottom: 30%; }
.wave-bg::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: calc(100% + 1600px);
  background: currentColor;
  -webkit-mask: url("wave.svg") 0 50% / 1600px 100% repeat-x;
  mask: url("wave.svg") 0 50% / 1600px 100% repeat-x;
}
@keyframes wave-drift { to { transform: translateX(-1600px); } }

/* ── movement (no script) ──────────────────────────────────────────── */
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: no-preference) {
  .wave-bg::before { animation: wave-drift 90s linear infinite; }
  /* the first screen settles in once, as the page opens */
  .home-hero > :is(.eyebrow, h1, .lead, .actions), .p-hero .p-text > * { animation: rise 0.7s var(--ease) both; }
  .home-hero > h1, .p-hero .p-text > .lead { animation-delay: 0.06s; }
  .home-hero > .lead, .p-hero .p-text > .actions { animation-delay: 0.12s; }
  .home-hero > .actions, .p-hero .p-text > .req { animation-delay: 0.18s; }
  .stage img, .p-shot { animation: rise 0.9s var(--ease) 0.2s both; }
  .st-side { animation-delay: 0.32s; }
  .st-front { animation-delay: 0.42s; }

  @supports (animation-timeline: view()) {
    /* sections rise as they come into view */
    .reveal { animation: rise linear both; animation-timeline: view(); animation-range: entry 0% entry 55%; }
    /* the home windows drift apart as the page scrolls */
    @keyframes drift-a { to { translate: 0 -40px; } }
    @keyframes drift-b { to { translate: 0 -80px; } }
    @keyframes drift-c { to { translate: 0 24px; } }
    .stage .st-back  { animation: rise 0.9s var(--ease) 0.2s both, drift-a linear both; }
    .stage .st-side  { animation: rise 0.9s var(--ease) 0.32s both, drift-b linear both; }
    .stage .st-front { animation: rise 0.9s var(--ease) 0.42s both, drift-c linear both; }
    .stage :is(.st-back, .st-side, .st-front) { animation-timeline: auto, scroll(root); animation-range: normal, 0 720px; }
  }
}