@charset "UTF-8";

@font-face {
  font-family: "Inter Variable";
  src: url("/site-assets/InterVariable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: dark;
  /* Approved roles: docs/design/branding/brand-kit/tokens/fcdp.tokens.css */
  --bg: #07110e;
  --surface: #11201b;
  --text: #f4f7f2;
  --muted: #9bb0a7;
  --accent: #66e3a4;
  --sage: #b2efbe;
  --border: #557166;
  --soft-border: rgb(155 176 167 / 20%);
  font-family: "Inter Variable", Inter, "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
  font-optical-sizing: auto;
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; font-size: 16px; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
[hidden] { display: none !important; }
h1, h2, h3, p, figure { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
::selection { background: var(--sage); color: var(--bg); }
.skip-link { position: absolute; top: 12px; left: 20px; z-index: 10; padding: 12px 16px; background: var(--accent); color: var(--bg); border-radius: 8px; transform: translateY(-180%); font-weight: 600; }
.skip-link:focus { transform: translateY(0); }
.page-shell { width: calc(100% - 80px); max-width: 1200px; margin: 0 auto; }
.site-header { min-height: 112px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--soft-border); }
.brand { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; min-height: 72px; }
.brand-logo { display: block; width: 192px; height: auto; }
nav { display: flex; align-items: center; gap: 32px; font-size: 15px; font-weight: 600; }
nav a { min-height: 44px; display: inline-flex; align-items: center; gap: 12px; color: var(--muted); }
nav a:hover, .text-link:hover, .site-footer a:hover { color: var(--accent); }
.hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(352px, 1fr); gap: 64px; padding: 64px 0; align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 12px; font-size: 12px; line-height: 16px; font-weight: 600; letter-spacing: 1.2px; }
.small-dot { display: inline-block; flex-shrink: 0; width: 4px; height: 4px; background: var(--accent); border-radius: 50%; }
.alpha-label { color: var(--muted); border: 1px solid var(--soft-border); padding: 4px 8px; border-radius: 6px; font-size: 12px; line-height: 16px; letter-spacing: 0; font-weight: 500; }
h1 { margin: 24px 0; font-size: clamp(48px, 5.55vw, 80px); font-weight: 800; line-height: 1.05; letter-spacing: -.045em; }
h1 span { color: var(--accent); }
.hero-description { font-size: 20px; line-height: 28px; font-weight: 500; max-width: 560px; }
.hero-detail { margin-top: 12px; color: var(--muted); font-size: 16px; line-height: 24px; max-width: 510px; }
.hero-footnote { display: flex; align-items: flex-start; gap: 8px; margin-top: 24px; color: var(--muted); font-size: 14px; line-height: 20px; }
.hero-footnote svg { flex-shrink: 0; margin-top: 1px; }
.download-card { padding: 32px 24px 0; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.download-card-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 24px; }
.windows-icon { color: var(--accent); flex-shrink: 0; }
.platform-label { color: var(--muted); font-size: 12px; line-height: 16px; letter-spacing: .8px; font-weight: 600; }
.download-card h2 { font-size: 24px; line-height: 30px; font-weight: 700; letter-spacing: -.025em; }
.download-description { margin-top: 8px; font-size: 16px; color: var(--muted); line-height: 24px; }
.download-state { margin-top: 24px; }
.release-label { font-size: 14px; color: var(--muted); min-height: 20px; margin-bottom: 12px; line-height: 20px; }
.release-notes-section { margin: 72px 0; scroll-margin-top: 24px; }
.release-notes-current, .release-notes-history { padding: 24px; border: 1px solid #ffffff20; border-radius: 16px; margin-top: 16px; overflow-wrap: anywhere; }
.release-notes-current h3 { margin: 0 0 20px; }
.release-notes-body li { line-height: 1.7; margin: 8px 0; }
.release-notes-body h4 { margin: 24px 0 12px; }
.release-notes-history summary { cursor: pointer; line-height: 1.6; }
.release-notes-history summary:focus-visible { outline: 2px solid currentColor; outline-offset: 5px; }
@media (max-width: 600px) { .release-notes-current, .release-notes-history { padding: 18px; } .site-header nav { flex-wrap: wrap; } }
.download-warning { color: #ffcb66; font-size: 14px; line-height: 20px; padding-left: 12px; border-left: 2px solid currentColor; margin-bottom: 16px; }
.checksum-link { display: inline-flex; min-height: 44px; align-items: center; color: var(--accent); text-decoration: underline; text-underline-offset: 4px; font-size: 14px; }
.download-button { display: flex; align-items: center; justify-content: center; width: 100%; min-height: 48px; padding: 12px 16px; border: 1px solid var(--accent); border-radius: 8px; background: var(--accent); color: var(--bg); font-size: 15px; line-height: 22px; font-weight: 600; gap: 8px; text-align: center; }
a.download-button:hover { background: var(--sage); border-color: var(--sage); }
a.download-button:active { background: var(--muted); border-color: var(--muted); }
.download-button.unavailable { background: var(--surface); border-color: var(--border); color: var(--muted); cursor: default; }
.download-note { color: var(--muted); text-align: center; font-size: 14px; margin-top: 12px; min-height: 20px; line-height: 20px; font-variant-numeric: tabular-nums; }
.retry-button { display: block; min-height: 44px; border: 0; padding: 12px 8px; background: transparent; color: var(--accent); cursor: pointer; font-size: 15px; font-weight: 600; margin: 8px auto 0; }
.retry-button span { margin-left: 8px; }
.download-card-bottom { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 24px; padding: 12px 0; border-top: 1px solid var(--soft-border); color: var(--muted); font-size: 14px; line-height: 20px; }
.download-card-bottom .small-dot { background: var(--muted); }
.download-card-bottom a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin-left: auto; color: var(--text); }
.download-card-bottom a:hover { color: var(--accent); }
.noscript-note { font-size: 14px; line-height: 20px; margin-top: 16px; color: var(--muted); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
.eyebrow.muted { color: var(--muted); margin-bottom: 12px; }
.section-heading h2, .info-intro h2 { font-size: 24px; font-weight: 700; line-height: 30px; letter-spacing: -.025em; }
.section-heading > p { color: var(--muted); font-size: 16px; line-height: 24px; max-width: 400px; }
.screens-section { padding: 48px 0; border-top: 1px solid var(--soft-border); }
.screens-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.screen-card { min-width: 0; }
.screen-topline { background: var(--surface); border: 1px solid var(--soft-border); border-bottom: none; border-radius: 12px 12px 0 0; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 12px; line-height: 16px; font-weight: 600; letter-spacing: 1px; }
.screen-topline > span:first-child { display: inline-flex; align-items: center; gap: 8px; }
.screen-topline .sample-label { font-size: 14px; line-height: 20px; letter-spacing: 0; font-weight: 400; }
.screen-image-link { display: block; background: #080c09; border: 1px solid var(--border); border-radius: 0 0 8px 8px; overflow: hidden; }
.screen-image-link img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: contain; }
.screen-image-link:hover { border-color: var(--accent); }
figcaption { padding-top: 16px; }
figcaption h3 { font-size: 20px; line-height: 26px; font-weight: 600; letter-spacing: -.02em; }
figcaption p { color: var(--muted); font-size: 16px; line-height: 24px; max-width: 480px; margin-top: 8px; }
.setup-section { border-top: 1px solid var(--soft-border); padding: 48px 0; }
.text-link { color: var(--text); font-size: 15px; font-weight: 600; line-height: 20px; display: inline-flex; align-items: center; gap: 12px; min-height: 44px; }
.steps { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.steps li { position: relative; }
.step-number { color: var(--accent); font-size: 14px; line-height: 20px; font-weight: 600; display: block; border-bottom: 1px solid var(--soft-border); padding-bottom: 16px; margin-bottom: 24px; font-variant-numeric: tabular-nums; }
.steps h3 { font-size: 20px; line-height: 26px; font-weight: 600; letter-spacing: -.02em; }
.steps p { color: var(--muted); font-size: 16px; line-height: 24px; margin-top: 8px; max-width: 340px; }
.info-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 64px; border-top: 1px solid var(--soft-border); padding: 48px 0; }
.info-intro { padding-top: 8px; }
.info-intro > p:last-child { color: var(--muted); font-size: 16px; line-height: 24px; margin-top: 16px; max-width: 340px; }
.details-list { min-width: 0; }
details { border-bottom: 1px solid var(--border); }
details:first-child { border-top: 1px solid var(--border); }
summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 24px 0; font-size: 16px; font-weight: 600; line-height: 24px; }
summary::-webkit-details-marker { display: none; }
summary > span { color: var(--muted); font-size: 24px; font-weight: 400; line-height: 24px; flex-shrink: 0; }
details[open] summary > span { transform: rotate(45deg); }
summary:hover { color: var(--accent); }
.detail-content { padding: 0 32px 24px 0; color: var(--muted); font-size: 16px; line-height: 24px; }
.detail-content p + p { margin-top: 12px; }
.detail-content ul, .detail-content ol { padding-left: 24px; margin: 0 0 12px; }
.detail-content li + li { margin-top: 8px; }
.detail-content strong { color: var(--text); font-weight: 600; }
.faq-source a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.detail-content .faq-source { font-size: 14px; line-height: 20px; margin-top: 16px; }
.site-footer { border-top: 1px solid var(--soft-border); padding: 24px 0; display: flex; align-items: center; justify-content: space-between; gap: 32px; color: var(--muted); font-size: 14px; line-height: 20px; }
.footer-brand { min-height: 56px; padding: 8px 0; }
.footer-wordmark { display: block; width: 92px; height: auto; }
.brand-guide-link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; min-width: 44px; color: var(--text); font-weight: 600; }

@media (max-width: 1100px) {
  .page-shell { width: calc(100% - 64px); }
  .hero { gap: 32px; grid-template-columns: minmax(0, 1.4fr) minmax(320px, 1fr); }
  h1 { font-size: clamp(48px, 5.55vw, 64px); }
  .info-section { gap: 32px; }
  .download-card { padding: 24px 24px 0; }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 32px; padding: 48px 0; }
  .hero-copy { max-width: 640px; }
  h1 { font-size: 64px; }
  .download-card { max-width: 560px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 16px; }
  .info-section { grid-template-columns: 1fr; gap: 24px; }
  .info-intro > p:last-child { max-width: none; }
}

@media (max-width: 600px) {
  .page-shell { width: calc(100% - 40px); }
  .site-header { min-height: 96px; gap: 16px; flex-wrap: wrap; padding: 8px 0; }
  .brand-logo { width: 160px; }
  nav { display: none; }
  .hero { padding: 32px 0; gap: 32px; }
  h1 { font-size: clamp(32px, 9.5vw, 48px); line-height: 1.1; letter-spacing: -.035em; margin: 16px 0; font-weight: 700; }
  .hero-description { font-size: 16px; line-height: 24px; }
  .hero-detail { margin-top: 8px; }
  .hero-footnote { margin-top: 16px; }
  .download-card { padding: 24px 20px 0; }
  .download-card-top { margin-bottom: 16px; }
  .download-card h2 { font-size: 20px; line-height: 26px; font-weight: 600; }
  .download-description br { display: none; }
  .download-state { margin-top: 16px; }
  .download-card-bottom { margin-top: 16px; }
  .download-card-bottom a { margin-left: 0; }
  .screens-section, .setup-section, .info-section { padding: 32px 0; }
  .section-heading { margin-bottom: 24px; }
  .screens-grid { grid-template-columns: 1fr; gap: 32px; }
  .steps { margin-top: 24px; grid-template-columns: 1fr; gap: 0; }
  .steps li { padding: 24px 0 24px 48px; border-top: 1px solid var(--soft-border); }
  .steps li:last-child { padding-bottom: 0; }
  .step-number { position: absolute; left: 0; top: 28px; border: 0; margin: 0; padding: 0; }
  .steps p { max-width: 100%; }
  .info-intro { padding: 0; }
  summary { padding: 20px 0; gap: 16px; }
  .detail-content { padding-right: 8px; }
  .site-footer { flex-wrap: wrap; gap: 16px 24px; }
  .footer-platform { order: 3; flex-basis: 100%; }
  .brand-guide-link { margin-left: auto; }
}

@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
}