:root {
 font-family: "Segoe UI", Arial, sans-serif; color: #132d31; background: #f4f6f3;
 --muted: #526665; --edge: #cbd5d0; --accent: #007e76; line-height: 1.55; scroll-behavior: smooth;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #007e76; outline-offset: 5px; }
header, main, footer { max-width: 1440px; margin: auto; }
header { padding: 24px 48px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--edge); }
nav { display: flex; flex-wrap: wrap; gap: 28px; font-size: 13px; }
nav a { text-decoration: none; }
.brand { display: flex; align-items: center; gap: 10px; font: 750 21px/1.05 Consolas, monospace; letter-spacing: .04em; text-decoration: none; }
.brand small { display: block; font-size: 9px; letter-spacing: .2em; color: var(--muted); }
.skip { position: absolute; top: -80px; left: 20px; z-index: 20; background: white; padding: 12px; }
.skip:focus { top: 10px; }
figure, p, h1, h2, h3 { margin: 0; }
p { color: var(--muted); }
.hero { display: grid; grid-template-columns: .95fr 1.5fr; gap: 24px; position: relative; align-items: center; min-height: 750px; padding: 32px 24px 30px 48px; overflow: hidden; border-bottom: 1px solid var(--edge); color: #142d42; background: radial-gradient(ellipse at top right, #dbeaff70, transparent 70%), #f8fbff; }
.hero-copy { position: relative; z-index: 1; padding: 0 0 26px; }
.hero-eyebrow { font: 650 11px/1.5 Consolas, monospace; letter-spacing: .15em; color: #1763ce; margin-bottom: 20px; }
.edition { font: 700 24px/1 Consolas, monospace; color: #1763ce; display: flex; align-items: center; gap: 18px; margin-bottom: 30px; }
.edition span { font: 650 11px/1.5 Consolas, monospace; letter-spacing: .18em; }
h1 { font-size: clamp(56px, 5.4vw, 78px); line-height: 1.03; letter-spacing: -.065em; font-weight: 700; }
.lead { font-size: 18px; max-width: 510px; margin: 26px 0 30px; line-height: 1.65; color: #526e85; }
.primary { display: inline-flex; align-items: center; justify-content: space-between; gap: 34px; padding: 13px 20px; font-size: 14px; font-weight: 650; background: #123b39; color: white; text-decoration: none; border: 1px solid #123b39; border-radius: 3px; }
.primary:hover { color: white; background: #006e66; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .primary { background: #1763ce; border-color: #1763ce; gap: 24px; border-radius: 6px; }
.hero .primary:hover { background: #114da4; }
.hero .secondary { display: inline-flex; align-items: center; justify-content: center; padding: 13px 18px; border: 1px solid #b7cde1; border-radius: 6px; background: #fff9; color: #142d42; font-size: 14px; font-weight: 650; text-decoration: none; }
.hero .secondary:hover { color: #1763ce; border-color: #1763ce; }
.hero-foot { font-size: 13px; line-height: 1.7; color: #526e85; margin-top: 20px; }
.hero-visual { min-width: 0; align-self: stretch; display: flex; flex-direction: column; }
.stage { position: relative; flex: 1; min-height: 640px; overflow: hidden; background: #d4dedb; border-radius: 3px; }
.stage>img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; transform: scale(1.38); }
.view-label { position: absolute; left: 22px; top: 22px; font: 650 12px Consolas, monospace; letter-spacing: .04em; color: #304b48; }
.view-label i { display: block; font: 9px Consolas, monospace; letter-spacing: .11em; margin-top: 7px; }
.cross { position: absolute; right: 20px; bottom: 15px; font: 26px Consolas, monospace; color: #557773; }
.hero-visual>figcaption { padding: 9px 0 0; font: 10px Consolas, monospace; color: var(--muted); text-align: right; }
.demo, .changes { padding: 64px 48px; border-bottom: 1px solid var(--edge); scroll-margin-top: 16px; }
.eyebrow { font: 10px/1.6 Consolas, monospace; letter-spacing: .13em; color: var(--accent); margin-bottom: 13px; }
h2 { font-size: clamp(30px, 3vw, 43px); line-height: 1.1; letter-spacing: -.045em; font-weight: 600; }
.section-top { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 26px; }
.animation-status { margin: 0 0 24px; padding: 14px 18px; border-left: 3px solid #1763ce; background: #e9f1fb; color: #344f66; font-size: 14px; line-height: 1.65; }
.animation-status strong { color: #142d42; }
.demo-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
button { appearance: none; border: 0; padding: 10px 15px; background: transparent; color: #36534f; font: 600 12px "Segoe UI", sans-serif; cursor: pointer; border-radius: 2px; }
button[aria-pressed=true] { background: #123b39; color: white; }
.demo-frame { background: #d4dedb; border: 1px solid var(--edge); border-radius: 4px; overflow: hidden; }
.demo-media { position: relative; aspect-ratio: 16/10; }
.demo-media>img { display: block; width: 100%; height: 100%; object-fit: contain; }
.motion-frame .demo-media { background: #10191b; }
#show-motion { position: absolute; right: 12px; bottom: 12px; padding: 11px 16px; background: #123b39; color: white; border: 1px solid #ffffff70; box-shadow: 0 2px 12px #0004; }
figcaption { font-size: 11px; color: var(--muted); padding: 10px 16px; }
.demo-note { font-size: 12px; margin: 14px 0 28px; max-width: 850px; }
.technical { border-top: 1px solid var(--edge); border-bottom: 1px solid var(--edge); }
.technical-overview { padding: 24px 0; }
.drawing-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 18px; }
.drawing-heading h3 { margin: 0; }
.drawing-heading a { font-size: 13px; white-space: nowrap; }
.technical-overview figure { max-width: 1050px; margin: auto; background: white; border: 1px solid var(--edge); }
.technical-overview img { display: block; width: 100%; height: auto; }
.technical-overview>p { margin-top: 12px; font-size: 12px; }
.changes { display: grid; grid-template-columns: .8fr 1.2fr; column-gap: 90px; background: #e8eee9; }
.text-link { display: inline-block; font-size: 12px; margin-top: 25px; }
.change-list article { display: flex; gap: 24px; padding: 20px 0; border-bottom: 1px solid #bfcfc6; }
.change-list article:first-child { padding-top: 0; }
.change-list article>span { font: 11px Consolas, monospace; color: var(--accent); padding-top: 5px; }
h3 { font-size: 18px; letter-spacing: -.02em; font-weight: 650; margin-bottom: 7px; }
.change-list p { font-size: 14px; }
.release-bottom { grid-column: 1/-1; border-top: 1px solid #bfcfc6; margin-top: 35px; padding-top: 28px; }
.release-bottom>h3 { font-size: 28px; margin-bottom: 20px; letter-spacing: -.035em; }
.download-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.download-card { display: flex; align-items: center; gap: 22px; min-height: 116px; padding: 25px 28px; border: 1px solid transparent; border-radius: 6px; text-decoration: none; color: white; }
.github-download { background: #17212b; }
.store-download { background: #075cba; }
.download-card:hover { color: white; border-color: #ffffffb0; box-shadow: 0 5px 18px #132d311a; }
.github-download:hover { background: #253446; }
.store-download:hover { background: #064a97; }
.download-card>svg { flex: 0 0 36px; }
.download-card>span:not(.download-arrow) { min-width: 0; }
.download-card strong { display: block; font-size: 21px; line-height: 1.3; letter-spacing: -.02em; }
.download-card small { display: block; font-size: 12px; margin-top: 5px; color: #ffffffd9; line-height: 1.45; }
.download-arrow { margin-left: auto; font-size: 25px; }
.channel-note { margin-top: 14px; font-size: 12px; }
.analysis-note { margin-top: 18px; font-size: 11px; max-width: 850px; }
footer { padding: 26px 48px; display: flex; justify-content: space-between; gap: 20px; align-items: center; }
footer>span { font: 10px Consolas, monospace; letter-spacing: .1em; color: var(--muted); }
footer nav { font-size: 11px; gap: 20px; }
@media(min-width:1600px) { .hero { min-height: 820px; } }
@media(max-width:1000px) { header { padding: 22px 24px; } .hero { padding-left: 24px; grid-template-columns: .85fr 1.2fr; min-height: 650px; gap: 15px; } h1 { font-size: 58px; } .stage { min-height: 570px; } .demo,.changes { padding: 45px 24px; } .changes { column-gap: 40px; } }
@media(max-width:700px) { header { align-items: flex-start; gap: 16px; padding: 20px; } nav { gap: 10px 16px; font-size: 11px; justify-content: flex-end; } .brand { font-size: 18px; } .hero { grid-template-columns: 1fr; padding: 30px 20px 22px; gap: 22px; min-height: auto; } .hero-copy { padding: 0; } .edition { margin-bottom: 25px; font-size: 24px; } h1 { font-size: clamp(51px,10vw,68px); } .lead { max-width: 440px; font-size: 15px; margin: 20px 0; } .hero-foot { display: block; font-size: 12px; } .stage { min-height: 440px; } .stage>img { transform: scale(1.25); } .view-label { font-size: 10px; left: 15px; top: 15px; } .view-label i { font-size: 8px; } .demo,.changes { padding: 36px 20px; } .section-top { align-items: flex-start; flex-direction: column; gap: 20px; } .demo-grid { grid-template-columns: 1fr; gap: 18px; } h2 { font-size: 31px; } .technical-grid,.changes { grid-template-columns: 1fr; } .change-list { margin-top: 28px; } .download-links { grid-template-columns: 1fr; gap: 12px; } .download-card { padding: 22px 20px; gap: 18px; min-height: 108px; } .download-card strong { font-size: 20px; } summary { font-size: 14px; } summary>span:last-child { font-size: 10px; } summary b { margin-left: 5px; } footer { padding: 24px 20px; align-items: flex-start; flex-direction: column; } }
@media(prefers-reduced-motion:reduce) { :root { scroll-behavior: auto; } }

/* Permanent product introduction and update navigation. */
.product-intro { max-width: 960px; color: var(--muted); font-size: 17px; line-height: 1.7; }
.release-link { grid-column: 2; font-weight: 650; }
@media(max-width:700px) { .product-intro { font-size: 15px; } .release-link { grid-column: 1; } }