:root { color-scheme: dark; --ink: #e8e1cf; --soft: #a6b7ba; --gold: #dec28b; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; color: var(--ink); background: radial-gradient(ellipse at 80% 10%, #233b48 0, #101e28 35%, #0c1720 80%); font: 15px/1.6 system-ui, -apple-system, sans-serif; }
a { color: inherit; }
.release-page { width: min(1120px, 100%); margin: auto; padding: 0 32px; }
.release-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 28px 0; border-bottom: 1px solid #afba9b22; }
.release-brand { display: flex; gap: 12px; align-items: center; text-decoration: none; color: var(--gold); font: 600 14px/1.4 Georgia, serif; letter-spacing: .09em; }
.release-brand img { border-radius: 8px; }
.release-brand small { display: block; font: 11px/1.7 system-ui, sans-serif; color: var(--soft); letter-spacing: .03em; }
.quiet-link { font-size: 13px; text-decoration: none; color: #d5c296; padding: 10px 0; }
.release-hero { display: grid; grid-template-columns: 1.15fr 1fr; gap: 50px; align-items: center; padding: 60px 0 55px; }
.eyebrow { color: var(--gold); font-size: 10px; letter-spacing: .16em; margin: 0 0 12px; }
h1 { font: 500 clamp(34px, 4.8vw, 56px)/1.13 Georgia, serif; margin: 0 0 24px; letter-spacing: -.02em; }
h1 em { color: #dbc391; font-style: normal; }
.lead { color: #b7c6c6; max-width: 470px; font-size: 16px; line-height: 1.7; }
.hero-actions { display: flex; gap: 10px; align-items: stretch; flex-wrap: wrap; margin-top: 28px; }
.primary-action, .secondary-action { display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 3px; min-height: 48px; padding: 13px 20px; text-decoration: none; font-size: 14px; font-weight: 650; border-radius: 9px; border: 1px solid #bda57388; line-height: 1.3; }
.primary-action { color: #282015; background: linear-gradient(115deg, #ebd399, #cfa962); border-color: #e5c385; }
.primary-action:hover { background: #efdaa8; }
.secondary-action { background: #243844; color: #e8d6b1; }
.secondary-action:hover { border-color: #e8ca89; background: #30434b; }
.primary-action span, .secondary-action span { font-size: 10px; font-weight: 400; opacity: .8; }
.file-note { color: #90a5ae; font-size: 11px; margin-top: 12px; }
.atlas-preview { position: relative; display: flex; flex-direction: column; justify-content: flex-end; min-height: 325px; padding: 30px; border: 1px solid #b99c6366; border-radius: 18px; background: linear-gradient(180deg, #101e2833, #0b1929 98%), url('/codex/promo/cover.png') 60% center / cover; text-decoration: none; box-shadow: 0 22px 45px #0003; }
.atlas-kicker { color: #e7c787; font-size: 10px; letter-spacing: .18em; margin-bottom: 20px; }
.atlas-title { font: 500 36px/1.16 Georgia, serif; margin-bottom: 14px; }
.atlas-copy { color: #becac9; font-size: 13px; max-width: 310px; }
.atlas-open { margin-top: 25px; font-size: 12px; color: #e2c486; }
.release-section { padding: 36px 0; border-top: 1px solid #b6c4ac22; }
.section-heading h2 { font: 500 30px/1.2 Georgia, serif; margin: 0 0 10px; }
.section-heading > p:last-child { color: var(--soft); font-size: 13px; }
.platform-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 25px; }
.platform-card { background: linear-gradient(145deg, #203440, #142631); padding: 25px; border: 1px solid #a8b59630; border-radius: 14px; }
.platform-heading { display: flex; gap: 12px; align-items: center; }
.platform-symbol { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid #cdb47b55; border-radius: 11px; color: #dcc38d; font-size: 23px; background: #bcc18112; }
.pc-symbol { font-size: 15px; }
.platform-heading small { font-size: 9px; letter-spacing: .09em; color: #96aaac; }
.platform-heading h3 { font: 500 24px/1.25 Georgia, serif; margin: 2px 0 0; }
.version-chip { margin-left: auto; color: #d9bd87; font-size: 11px; padding: 4px 8px; border: 1px solid #d4b87840; border-radius: 5px; }
.platform-card > p { color: #b0c0c3; font-size: 13px; margin: 18px 0; }
.wide { display: flex; width: 100%; }
.install-steps { padding-left: 22px; margin: 20px 0; }
.install-steps li { padding: 5px 0 8px 5px; font-size: 12px; color: #aebfc2; }
.install-steps li::marker { color: #cdb683; }
.install-steps strong { color: #e1dccb; font-weight: 550; }
code { background: #09182466; padding: 2px 4px; border-radius: 4px; font: 11px/1.5 ui-monospace, monospace; overflow-wrap: anywhere; }
.install-note { border-top: 1px solid #b0ba9c20; padding-top: 6px; }
.install-note summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; font-size: 12px; color: #dfc794; gap: 8px; }
.install-note summary::before { content: '+'; font-size: 20px; font-weight: 300; }
.install-note[open] summary::before { content: '−'; }
.install-note p { font-size: 12px; color: #afbdbe; margin: 0 0 8px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 25px 0; }
.feature-grid article { padding: 15px 0; }
.feature-grid article > span { color: #dcc08b; font-size: 24px; }
.feature-grid h3 { font: 500 20px/1.3 Georgia, serif; margin: 10px 0; }
.feature-grid p { color: #a9bdc0; font-size: 13px; margin: 0; }
.atlas-link { margin-bottom: 10px; }
.release-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 24px 0 30px; border-top: 1px solid #bac19b22; font-size: 11px; color: #91a8b1; }
.release-footer a { color: #cfbd94; text-decoration: none; }
.single-platform { max-width: 640px; margin: 40px auto; }
.single-platform h1 { font-size: 38px; margin-bottom: 15px; }
.single-platform .platform-card { margin-top: 24px; }
a:focus-visible, summary:focus-visible { outline: 2px solid #f4d58f; outline-offset: 4px; }
@media (max-width: 760px) {
  .release-page { padding-inline: 20px; }
  .release-header { padding: 20px 0; gap: 10px; }
  .release-brand { font-size: 12px; gap: 8px; }
  .quiet-link { font-size: 11px; }
  .release-brand img { width: 32px; height: 32px; }
  .release-hero { grid-template-columns: minmax(0, 1fr); gap: 25px; padding: 32px 0; }
  h1 { font-size: 39px; margin-bottom: 16px; }
  .lead { font-size: 14px; }
  .hero-actions { margin-top: 20px; }
  .atlas-preview { min-height: 225px; padding: 24px; }
  .atlas-title { font-size: 29px; }
  .atlas-kicker { margin-bottom: 14px; }
  .atlas-copy { font-size: 12px; max-width: 270px; }
  .atlas-open { margin-top: 16px; }
  .platform-grid { grid-template-columns: minmax(0, 1fr); }
  .platform-card { padding: 20px; }
  .feature-grid { grid-template-columns: minmax(0, 1fr); gap: 5px; }
  .feature-grid article { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 5px 12px; }
  .feature-grid h3 { margin: 0; }
  .feature-grid p { grid-column: 2; }
  .section-heading h2 { font-size: 27px; }
}
@media (max-width: 360px) {
  .release-page { padding-inline: 14px; }
  .release-brand small { display: none; }
  h1 { font-size: 34px; }
  .primary-action, .secondary-action { padding-inline: 14px; font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }