/* Wavenumber public downloads. Presentation only; release facts belong to Appz. */
:root {
  color-scheme: dark;
  font: 16px/1.6 "Segoe UI", Roboto, Arial, sans-serif;
  --bg: #202020;
  --fg: #e6e6e6;
  --muted: #acb5bb;
  --panel: rgb(16 16 16 / 94%);
  --accent: #33b6f7;
  --line: #3d4854;
}

body { background: var(--bg); color: var(--fg); }
main { max-width: 1240px; padding: 48px 32px 72px; }
header {
  gap: 24px;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-bottom: 2px solid var(--accent);
  background: var(--panel);
}
header img { width: 96px; height: auto; max-height: none; flex: 0 0 auto; }
header .lead {
  margin: 0 0 2px;
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 300; letter-spacing: -.025em; }
h2 { margin: 32px 0 18px; font-size: 1.35rem; font-weight: 400; }
h3 { font-size: 1.5rem; font-weight: 400; letter-spacing: -.025em; }
main > .lead { margin: 18px 0; padding: 8px 14px; background: rgb(16 16 16 / 90%); }
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { color: #8fd7ff; }
a:focus-visible, summary:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
.notice {
  margin: 22px 0;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 0;
  background: var(--panel);
  font-size: .875rem;
}
.notice strong { color: var(--fg); font-weight: 500; }
.notice p { margin-bottom: 0; color: var(--muted); }
nav { margin: 24px 0 18px; }
nav a {
  padding: 8px 18px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--panel);
  color: var(--fg);
  text-decoration: none;
  font-size: .875rem;
}
nav a:hover { border-color: var(--accent); }
.cards { gap: 20px; align-items: start; }
article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--panel);
}
.badge {
  padding: 2px 8px;
  margin: 10px 0 2px;
  border-radius: 0;
  color: #c3d1d4;
  font-size: .7rem;
  letter-spacing: .04em;
}
.meta { color: var(--muted); font-size: .8rem; }
article > ul { padding-left: 18px; margin: 14px 0 18px; }
article > ul li { margin: 6px 0; font-size: .9rem; }
article p strong { font-size: .8rem; font-weight: 500; color: #c3d1d4; }
.download-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.download {
  padding: 9px 16px;
  margin: 8px 0;
  border: 1px solid var(--accent);
  border-radius: 0;
  background: var(--accent);
  color: #101820;
  font-size: .85rem;
  font-weight: 600;
}
.download:hover { background: #8fd7ff; border-color: #8fd7ff; color: #101820; }
.download-actions > a:not(.download) { font-size: .8rem; }
.release-details { margin: 20px 0 0; padding-top: 14px; border-top: 1px solid var(--line); }
summary { color: #c3d1d4; font-size: .825rem; }
summary:hover { color: var(--accent); }
dt { margin-top: 12px; color: var(--muted); }
code { color: #c3d1d4; font: .75rem/1.65 "Cascadia Mono", Consolas, monospace; }
section > h2 { display: table; padding: 5px 12px; background: var(--panel); }

@media (max-width: 760px) {
  main { padding: 20px 16px 40px; }
  header { gap: 16px; padding: 18px; flex-wrap: wrap; }
  header img { width: 72px; }
  header .lead { font-size: .65rem; letter-spacing: .08em; }
  h1 { font-size: 2rem; }
  article { padding: 20px; }
  .cards { gap: 16px; }
}

@media (forced-colors: active) {
  .theme-background { display: none; }
  .download { border: 1px solid ButtonText; }
}

/* NES black-box front composition. Cover proportions never depend on release text. */
main { max-width: 1440px; }
.cards { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
article {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.box-cover {
  position: relative;
  aspect-ratio: 5 / 7;
  container-type: inline-size;
  overflow: hidden;
  border: 2px solid #cbc8bd;
  background-color: #080909;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 19px, #161919 19px 20px),
    repeating-linear-gradient(0deg, transparent 0 19px, #161919 19px 20px);
  box-shadow: 5px 6px 0 rgb(0 0 0 / 60%);
}
.box-cover h3 {
  position: absolute;
  z-index: 2;
  top: 65%;
  left: 6%;
  width: 89%;
  min-height: 0;
  margin: 0;
  color: #ef632f;
  font: 900 8cqw/.95 "Arial Black", Impact, sans-serif;
  text-transform: uppercase;
  letter-spacing: -.045em;
  overflow-wrap: anywhere;
  transform: skewY(-6deg);
  transform-origin: left center;
  text-shadow: 1px 1px #461d10;
}
.box-cover .product-art {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  max-width: none;
  margin: 0;
  border: 0;
  background: transparent;
  mix-blend-mode: screen;
  clip-path: polygon(0 0, 100% 0, 100% 83%, 0 100%);
}
.cover-publisher {
  position: absolute;
  top: 76%;
  left: 6%;
  width: 45%;
  padding: 1% 2%;
  border: 2px solid #df542f;
  border-radius: 50px;
  color: #ef632f;
  text-align: center;
  font: italic 800 4.5cqw/1.2 Arial, sans-serif;
  transform: skewY(-6deg);
}
.cover-publisher::before { content: "Wavenumber"; }
.cover-system {
  position: absolute;
  bottom: 23%;
  right: 5%;
  color: #c4ae4e;
  white-space: pre;
  font: italic 800 3.5cqw/1 Arial, sans-serif;
  transform: skewY(-6deg);
}
.cover-system::before { content: "ENGINEERING\A TOOL SYSTEM"; }
.cover-series {
  position: absolute;
  bottom: 4%;
  left: 6%;
  width: 22%;
  height: 14%;
  border: 1px solid #d6ce99;
  background: #070909;
}
.cover-series::before {
  content: "";
  position: absolute;
  inset: 7% 7% 27%;
  background: #d3b85e;
  clip-path: polygon(50% 0, 56% 30%, 75% 7%, 69% 36%, 100% 25%, 76% 47%,
    100% 63%, 70% 62%, 84% 92%, 58% 72%, 50% 100%, 42% 72%, 16% 92%,
    30% 62%, 0 63%, 24% 47%, 0 25%, 31% 36%, 25% 7%, 44% 30%);
}
.cover-series::after {
  content: "TOOLS SERIES";
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 3% 0;
  background: #d3b85e;
  color: #080909;
  text-align: center;
  font: 900 1.9cqw/1.2 Arial, sans-serif;
}
.box-cover::after {
  content: "WN\A ENGINEERING\A SOFTWARE";
  position: absolute;
  box-sizing: border-box;
  right: 6%;
  bottom: 3%;
  display: grid;
  place-content: center;
  width: 23%;
  aspect-ratio: 1;
  border: 4px double #e0c772;
  border-radius: 50%;
  background: #b69950;
  color: #171506;
  white-space: pre;
  text-align: center;
  font: 800 2.05cqw/1.35 Arial, sans-serif;
}
.release-panel { margin-top: 16px; padding: 16px; background: var(--panel); }
.product-id { margin: 0 0 8px; letter-spacing: .06em; }
.product-description { min-height: 3.2em; margin: 8px 0; font-size: .85rem; }
.badge { color: #d8d3bd; border-color: #686451; font: .65rem/1.5 Consolas, monospace; }
.release-panel > ul { padding-left: 18px; }
.release-panel > ul li { font-size: .8rem; margin: 6px 0; }
.download-actions { gap: 5px; }
.download { width: 100%; text-align: center; }
.cover-download { display: block; margin: 12px 0 0; }
.download-actions > a:not(.download) { display: block; padding: 4px 0; }
.release-details { border-color: #686451; }
@media (max-width: 1180px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .cards { grid-template-columns: minmax(0, 1fr); }
  article { padding: 0; }
  .product-description { min-height: 0; }
}