:root {
  color-scheme: light;
  --ink: #1c1c1c;
  --muted: #686970;
  --line: #e4e4e7;
  --paper: #ffffff;
  --soft: #f9f9fa;
  --red: #e92537;
  --red-soft: #fff1f2;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; color: var(--ink); background: var(--paper); }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
svg { flex: 0 0 auto; width: 20px; height: 20px; stroke-width: 1.7; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 600; line-height: 1.16; letter-spacing: 0; }
h1 { font-size: 52px; }
h2 { font-size: 32px; }
h3 { font-size: 24px; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 5px; }
.container { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 10; top: 10px; left: 12px; padding: 10px 16px; background: var(--ink); color: white; border-radius: 8px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.header-inner { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { flex: 0 0 auto; }
.brand img { width: 164px; height: auto; }
nav { display: flex; gap: 28px; align-items: center; font-size: 13px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); transition: color .15s; }
nav a:hover { color: var(--ink); }
nav .nav-download { min-height: 36px; gap: 8px; padding: 0 16px; border-radius: 16px; color: var(--ink); background: #f2f2f3; }
.nav-download svg { width: 15px; height: 15px; }
.hero { position: relative; min-height: 554px; height: min(800px, calc(100svh - 170px)); overflow: hidden; background: var(--soft); }
.hero-content { position: relative; z-index: 1; text-align: center; padding-top: 30px; }
.eyebrow { color: var(--muted); font-size: 11px; line-height: 1.5; font-weight: 500; }
.hero-kicker { display: flex; justify-content: center; align-items: center; gap: 9px; margin-bottom: 10px; }
.brand-rule { display: inline-block; width: 16px; height: 3px; background: var(--red); }
.title-period { color: var(--red); }
.hero-copy { margin-top: 10px; font-size: 22px; font-weight: 500; line-height: 1.4; }
.hero-description { margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.download-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.download-link { display: inline-flex; min-width: 164px; min-height: 44px; align-items: center; justify-content: center; gap: 9px; padding: 10px 20px; border: 1px solid transparent; border-radius: 16px; font-size: 13px; font-weight: 500; transition: background-color .15s, border-color .15s; }
.download-link svg { width: 17px; height: 17px; }
.download-link.primary { background: var(--ink); color: white; }
.download-link.primary:hover:not([aria-disabled="true"]) { background: #393939; }
.download-link.secondary { background: var(--paper); color: var(--ink); border-color: #d2d3d6; }
.download-link.secondary:hover:not([aria-disabled="true"]) { background: #f0f0f2; border-color: #a1a1a7; }
.download-link[aria-disabled="true"] { cursor: not-allowed; }
.download-link.primary[aria-disabled="true"] { background: #dedee1; color: #74747c; }
.download-link.secondary[aria-disabled="true"] { background: var(--soft); border-color: var(--line); color: #767982; }
.release-status { margin-top: 10px; color: var(--muted); font-size: 11px; min-height: 18px; }
.release-status span { margin-inline: 8px; color: #b0b1b6; }
.hero-scene { position: absolute; inset: 330px 32px 12px; display: flex; flex-direction: column; align-items: center; justify-content: end; }
.product-image-link { position: relative; display: block; min-height: 0; height: calc(100% - 29px); max-height: 410px; max-width: 100%; aspect-ratio: 1924 / 1175; background: var(--paper); }
.product-image { width: 100%; height: 100%; aspect-ratio: 1924 / 1175; object-fit: contain; }
.image-expand { position: absolute; top: 12px; right: 12px; display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--muted); transition: color .15s, border-color .15s; }
.image-expand svg { width: 14px; height: 14px; }
.product-image-link:hover .image-expand { color: var(--ink); border-color: #999; }
figcaption { display: flex; align-items: center; justify-content: center; gap: 10px; flex: 0 0 25px; margin-top: 4px; color: var(--muted); font-size: 10px; }
figcaption svg { width: 12px; height: 12px; }
.demo-mark { color: #a32b39; border-right: 1px solid #d9d9dc; padding-right: 10px; }
.section-band { border-block: 1px solid var(--line); }
.editions { padding-block: 40px 22px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 32px; }
.section-heading .eyebrow { margin-bottom: 10px; }
.section-heading > p { max-width: 330px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.edition-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; }
.edition { min-width: 0; }
.edition + .edition { border-left: 1px solid var(--line); padding-left: 56px; }
.edition-topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 18px; margin-bottom: 19px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 10px; }
.edition-topline svg { width: 21px; height: 21px; color: var(--ink); }
.edition-heading { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.edition-heading h3 { font-size: 28px; }
.edition-label { padding: 3px 9px; border-radius: 4px; color: #a32b39; background: var(--red-soft); font-size: 10px; }
.edition > p { margin-top: 10px; color: var(--muted); font-size: 13px; }
.edition-scope { list-style: none; margin: 20px 0 24px; padding: 0; display: grid; align-content: start; gap: 11px; }
.edition-scope li { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; }
.edition-scope svg { width: 15px; height: 15px; margin-top: 3px; color: var(--muted); }
.release-facts { margin: 0; padding-top: 19px; border-top: 1px solid var(--line); display: grid; gap: 10px; }
.release-facts > div { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 12px; font-size: 12px; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; }
.filename-row dd { color: var(--muted); font-size: 11px; }
.edition-download { display: flex; width: 100%; margin-top: 22px; }
.action-arrow { margin-left: auto; }
details > summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
summary::-webkit-details-marker { display: none; }
details > summary svg { width: 16px; height: 16px; transition: transform .15s; }
details[open] > summary svg { transform: rotate(180deg); }
.checksum { margin-top: 12px; }
.checksum summary { min-height: 40px; font-size: 11px; color: var(--muted); }
.checksum-value { display: flex; align-items: start; gap: 12px; padding: 2px 0 12px; }
.checksum code { min-width: 0; flex: 1; font: 11px/1.7 Consolas, monospace; overflow-wrap: anywhere; color: var(--muted); }
.checksum button { width: 32px; height: 32px; flex: 0 0 32px; display: grid; place-items: center; padding: 0; border: 1px solid #d2d3d6; border-radius: 12px; background: var(--paper); cursor: pointer; color: var(--ink); }
.checksum button svg { width: 15px; height: 15px; }
.checksum button:hover:not(:disabled) { background: #eeeef0; }
.checksum button:disabled { color: #9b9ca2; cursor: not-allowed; }
.availability-note { margin-top: 25px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.copy-status { min-height: 18px; margin-top: 4px; font-size: 11px; color: var(--muted); }
.workspace { padding-block: 64px 0; }
.workflow-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.workflow-item { position: relative; border-top: 1px solid var(--line); padding-block: 22px 28px; }
.workflow-item > svg { color: var(--red); width: 22px; height: 22px; margin-bottom: 24px; }
.workflow-item h3 { font-size: 17px; margin-bottom: 10px; }
.workflow-item p { max-width: 290px; font-size: 13px; color: var(--muted); line-height: 1.8; }
.workflow-index { position: absolute; top: 22px; right: 0; color: #929299; font: 10px/1.5 Consolas, monospace; }
.access-note { display: flex; align-items: center; gap: 16px; padding: 21px 0; border-block: 1px solid var(--line); }
.access-note > svg { color: var(--red); }
.access-note p { flex: 1; color: var(--muted); font-size: 12px; line-height: 1.75; }
.access-note strong { color: var(--ink); font-weight: 500; }
.access-note a { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 12px; }
.access-note a:hover { background: var(--soft); }
.faq { padding-block: 62px 72px; }
.faq > details { border-top: 1px solid var(--line); }
.faq > details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { min-height: 66px; font-size: 14px; font-weight: 500; padding-block: 16px; }
.faq summary:hover { color: #a32b39; }
.faq details > p { max-width: 760px; padding: 0 36px 24px 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.site-footer { border-top: 1px solid var(--line); background: var(--soft); }
.footer-inner { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 24px; font-size: 11px; color: var(--muted); }
.footer-brand img { width: 132px; height: auto; }
.back-top { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 12px; border: 1px solid var(--line); background: var(--paper); }
.back-top:hover { border-color: #a1a1a7; }
.back-top svg { width: 15px; height: 15px; }
.noscript-note { padding: 20px 32px; text-align: center; font-size: 13px; background: var(--red-soft); }
.preview-dialog { width: min(1440px, calc(100% - 48px)); max-width: none; max-height: calc(100svh - 48px); padding: 0; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); color: var(--ink); overscroll-behavior: contain; }
.preview-dialog::backdrop { background: rgb(0 0 0 / 65%); }
.preview-heading { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 16px; font-size: 12px; border-bottom: 1px solid var(--line); background: var(--paper); }
.preview-close { display: grid; place-items: center; width: 32px; height: 32px; padding: 0; border: 0; border-radius: 12px; background: var(--soft); color: var(--ink); cursor: pointer; }
.preview-close:hover { background: #e8e8eb; }
.preview-close svg { width: 17px; height: 17px; }
.preview-dialog > img { width: 100%; height: auto; }
@media (max-width: 720px) {
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 68px; gap: 14px; }
  .brand img { width: 135px; }
  nav { gap: 17px; font-size: 12px; }
  .nav-workspace, nav .nav-download { display: none; }
  .hero { height: auto; min-height: 0; padding-bottom: 14px; }
  .hero-content { padding-top: 29px; }
  .hero-description { font-size: 13px; }
  .hero-copy { max-width: 340px; margin-inline: auto; }
  .download-actions { gap: 9px; }
  .download-actions .download-link { flex: 1; min-width: 0; max-width: 210px; padding-inline: 10px; }
  .release-status { max-width: 300px; margin-inline: auto; line-height: 1.7; }
  .hero-scene { position: relative; inset: auto; margin: 25px 20px 0; }
  .product-image-link { width: 100%; height: auto; max-height: none; }
  .product-image { height: auto; }
  .image-expand { top: 8px; right: 8px; width: 28px; height: 28px; }
  .editions { padding-block: 30px 16px; }
  .section-heading { display: block; margin-bottom: 28px; }
  .section-heading > p { margin-top: 16px; max-width: 380px; }
  .edition-grid { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .edition + .edition { padding: 28px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .edition-topline { margin-bottom: 18px; }
  .edition-scope { min-height: 0; }
  .release-facts > div { grid-template-columns: 108px minmax(0, 1fr); }
  .workspace { padding-top: 40px; }
  .workflow-grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .workflow-item { padding-block: 20px 24px; padding-left: 42px; }
  .workflow-item > svg { position: absolute; left: 0; top: 21px; width: 20px; height: 20px; margin: 0; }
  .workflow-item h3 { padding-right: 30px; }
  .workflow-item p { max-width: none; }
  .access-note { align-items: start; gap: 12px; }
  .access-note > svg { margin-top: 3px; width: 18px; height: 18px; }
  .access-note p { font-size: 12px; }
  .access-note strong { display: block; margin-bottom: 4px; }
  .faq { padding-block: 42px 48px; }
  .faq summary { font-size: 13px; min-height: 64px; }
  .faq details > p { padding-right: 20px; }
  .footer-inner { min-height: 100px; gap: 16px; flex-wrap: wrap; padding-block: 22px; }
  .footer-inner > span { order: 3; flex-basis: 100%; font-size: 10px; }
  .preview-dialog { width: calc(100% - 24px); max-height: calc(100svh - 32px); border-radius: 12px; }
}
@media (max-width: 350px) {
  .container { width: calc(100% - 28px); }
  .brand img { width: 118px; }
  nav { gap: 12px; }
  .hero-kicker { font-size: 10px; }
  .hero-scene { margin-inline: 14px; }
  .download-link { gap: 7px; }
  .edition-download { padding-inline: 14px; }
  .hero-description br { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
