/* ATMA Windows download: native Windows typography, one primary action. */
:root {
  color-scheme: light;
  --bw-paper: #f2f5fb;
  --bw-surface: #ffffff;
  --bw-ink: #19263b;
  --bw-muted: #4d5d75;
  --bw-blue: #234fc4;
  --bw-panel: #e5ecfa;
}
* { box-sizing: border-box; }
.bw-page { margin: 0; background: var(--bw-paper); color: var(--bw-ink); font: 16px/1.6 "Segoe UI", sans-serif; }
.bw-page a { color: var(--bw-blue); text-underline-offset: .18em; }
.bw-page a:focus-visible, .bw-page summary:focus-visible { outline: 3px solid var(--bw-blue); outline-offset: 5px; }
.bw-shell { max-width: 1192px; padding: 0 44px; margin: auto; }
.bw-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 30px 0; }
.bw-brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--bw-ink) !important; font-size: 22px; font-weight: 700; }
.bw-brand img { object-fit: contain; }
.bw-brand-label { display: block; font-size: 12px; font-weight: 400; line-height: 1; color: var(--bw-muted); }
.bw-site { font-size: 14px; }
.bw-hero { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 64px; align-items: start; padding: 50px 0 64px; }
.bw-intro h1 { margin: 0 0 26px; font-family: Bahnschrift, "Segoe UI", sans-serif; font-size: clamp(42px, 4.3vw, 62px); font-weight: 650; line-height: 1.1; letter-spacing: -.035em; }
.bw-lead { margin: 0; max-width: 510px; font-size: 19px; line-height: 1.65; color: var(--bw-muted); }
.bw-download-area { margin: 34px 0 24px; }
.bw-page .bw-download { display: inline-flex; justify-content: center; align-items: center; gap: 14px; min-height: 62px; padding: 16px 25px; border-radius: 10px; background: var(--bw-blue); color: var(--bw-surface); text-decoration: none; font-weight: 600; font-size: 18px; box-shadow: 0 4px 0 #15338b; }
.bw-page .bw-download:hover { background: #193fa6; }
.bw-file-info { display: flex; gap: 18px; margin: 14px 0 2px; color: var(--bw-muted); font-size: 14px; }
.bw-release { margin: 0; color: var(--bw-muted); font-size: 13px; }
.bw-test-note { max-width: 510px; margin: 24px 0 18px; padding-left: 14px; border-left: 3px solid #d8a524; color: var(--bw-muted); font-size: 14px; line-height: 1.65; }
.bw-test-note strong { color: var(--bw-ink); }
.bw-checksum { max-width: 510px; font-size: 13px; color: var(--bw-muted); }
.bw-checksum summary { cursor: pointer; width: fit-content; }
.bw-checksum p { margin: 12px 0 5px; }
.bw-checksum code { display: block; word-break: break-all; padding: 12px; background: var(--bw-surface); font-size: 12px; }
.bw-checksum a { display: inline-block; margin-top: 10px; }
.bw-devices { padding: 30px 30px 24px; border-radius: 20px; background: var(--bw-panel); }
.bw-session-mark { color: var(--bw-blue); margin-bottom: 15px; }
.bw-devices h2 { margin: 0 0 24px; font-size: 24px; line-height: 1.35; letter-spacing: -.025em; }
.bw-device-list { list-style: none; padding: 0; margin: 0; }
.bw-device-list li { padding: 13px 0; border-top: 1px solid #c8d5ed; line-height: 1.5; }
.bw-device-list span { display: block; color: var(--bw-muted); font-size: 12px; }
.bw-device-list strong { display: block; font-size: 16px; font-weight: 600; }
.bw-device-note { margin: 18px 0 12px; font-size: 13px; line-height: 1.6; }
.bw-limits { margin: 0; color: var(--bw-muted); font-size: 12px; line-height: 1.65; }
.bw-install { padding: 30px 0 40px; border-top: 1px solid #d0d8e6; }
.bw-install h2 { margin: 0 0 18px; font-size: 25px; letter-spacing: -.025em; }
.bw-install ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; padding-left: 22px; margin: 0 0 22px; }
.bw-install li { padding-left: 4px; }
.bw-install p { max-width: 700px; color: var(--bw-muted); font-size: 14px; }
.bw-footer { display: flex; justify-content: space-between; gap: 20px; padding: 24px 0; color: var(--bw-muted); font-size: 12px; }
@media (max-width: 850px) {
  .bw-shell { padding: 0 26px; }
  .bw-hero { gap: 32px; }
  .bw-intro h1 { font-size: 46px; }
  .bw-devices { padding: 25px; }
}
@media (max-width: 680px) {
  .bw-shell { padding: 0 22px; }
  .bw-header { padding: 22px 0; }
  .bw-hero { grid-template-columns: 1fr; padding: 30px 0 40px; gap: 34px; }
  .bw-intro h1 { font-size: 44px; }
  .bw-lead { font-size: 17px; }
  .bw-page .bw-download { width: 100%; padding-left: 14px; padding-right: 14px; font-size: 17px; }
  .bw-install ol { display: block; }
  .bw-install li { margin-bottom: 14px; }
  .bw-footer { flex-direction: column; gap: 4px; }
}