:root {
  --desktop: #008080;
  --desktop-dark: #006f6f;
  --win-face: #c0c0c0;
  --win-face-light: #dfdfdf;
  --win-face-dark: #808080;
  --win-shadow: #404040;
  --win-highlight: #ffffff;
  --title-blue: #000080;
  --title-blue-2: #1084d0;
  --ink: #000000;
  --muted: #333333;
  --green: #008000;
  --yellow: #ffff99;
  --red: #b00000;
  --radius: 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(45deg, rgba(255, 255, 255, 0.04) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.04) 25%, transparent 25%),
    var(--desktop);
  background-position: 0 0, 0 8px;
  background-size: 16px 16px;
  font-family: Tahoma, "MS Sans Serif", "Microsoft Sans Serif", Geneva, Verdana, sans-serif;
  font-size: 15px;
}

a {
  color: inherit;
}

.desktop-shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding-bottom: 28px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
  padding: 8px;
  background: var(--win-face);
  border-color: var(--win-highlight) var(--win-shadow) var(--win-shadow) var(--win-highlight);
  border-style: solid;
  border-width: 2px;
  box-shadow: inset -1px -1px 0 var(--win-face-dark), inset 1px 1px 0 var(--win-face-light);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 246px;
  text-decoration: none;
}

.brand-icon {
  position: relative;
  display: grid;
  width: 42px;
  height: 38px;
  place-items: center;
  background: var(--win-face);
  border-color: var(--win-highlight) var(--win-shadow) var(--win-shadow) var(--win-highlight);
  border-style: solid;
  border-width: 2px;
  box-shadow: inset -1px -1px 0 var(--win-face-dark), inset 1px 1px 0 var(--win-face-light);
}

.brand-icon::before {
  width: 25px;
  height: 18px;
  content: "";
  background:
    linear-gradient(#9ce3d8 0 2px, transparent 2px 5px),
    #001f2f;
  border: 2px solid #000;
}

.brand-icon::after {
  position: absolute;
  bottom: 4px;
  width: 20px;
  height: 3px;
  content: "";
  background: #000;
}

.screen-line {
  display: none;
}

.brand-name,
.brand-subtitle {
  display: block;
}

.brand-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.brand-subtitle {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.main-nav a,
.download-link,
.primary-action {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  color: #000;
  background: var(--win-face);
  border-color: var(--win-highlight) var(--win-shadow) var(--win-shadow) var(--win-highlight);
  border-style: solid;
  border-width: 2px;
  border-radius: 0;
  box-shadow: inset -1px -1px 0 var(--win-face-dark), inset 1px 1px 0 var(--win-face-light);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: filter 120ms ease, transform 120ms ease;
}

.main-nav a:hover,
.download-link:hover,
.primary-action:hover,
.main-nav a:focus-visible,
.download-link:focus-visible,
.primary-action:focus-visible {
  filter: brightness(1.04);
  outline: 1px dotted #000;
  outline-offset: -5px;
}

.main-nav a:active,
.download-link:active,
.primary-action:active {
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  box-shadow: inset 1px 1px 0 var(--win-face-dark);
  transform: translate(1px, 1px);
}

.catalog-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 16px;
  align-items: stretch;
  padding: 20px 0 14px;
}

.intro-copy,
.terminal-panel,
.retro-window,
.app-card,
.about-section,
.site-footer {
  background: var(--win-face);
  border-color: var(--win-highlight) var(--win-shadow) var(--win-shadow) var(--win-highlight);
  border-style: solid;
  border-width: 2px;
  box-shadow: inset -1px -1px 0 var(--win-face-dark), inset 1px 1px 0 var(--win-face-light);
}

.intro-copy {
  position: relative;
  max-width: none;
  padding: 38px 18px 18px;
}

.intro-copy::before,
.terminal-panel::before,
.featured-window > .window-titlebar,
.mockup-window > .window-titlebar {
  display: flex;
  min-height: 24px;
  align-items: center;
  padding: 3px 7px;
  color: #fff;
  background: linear-gradient(90deg, var(--title-blue), var(--title-blue-2));
  font-size: 0.82rem;
  font-weight: 700;
}

.intro-copy::before {
  position: absolute;
  top: 3px;
  right: 3px;
  left: 3px;
  content: "Old School Apps - Catalog";
}

.stamp-label {
  display: inline-flex;
  min-height: 23px;
  align-items: center;
  margin: 0 0 11px;
  padding: 3px 8px;
  color: #000;
  background: var(--yellow);
  border: 1px solid #000;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 12px;
  font-size: clamp(2.1rem, 5.4vw, 4.9rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.intro-copy > p:last-child {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.14rem);
  line-height: 1.58;
}

.terminal-panel {
  position: relative;
  overflow: hidden;
  padding-top: 30px;
}

.terminal-panel::before {
  position: absolute;
  top: 3px;
  right: 3px;
  left: 3px;
  content: "MS-DOS Prompt";
}

.terminal-bar {
  display: none;
}

.window-controls {
  display: flex;
  gap: 3px;
  margin-left: auto;
}

.window-controls span,
.terminal-bar span {
  width: 16px;
  height: 14px;
  background: var(--win-face);
  border-color: var(--win-highlight) var(--win-shadow) var(--win-shadow) var(--win-highlight);
  border-style: solid;
  border-width: 2px;
  border-radius: 0;
  box-shadow: inset -1px -1px 0 var(--win-face-dark), inset 1px 1px 0 var(--win-face-light);
}

.window-controls span:nth-child(1)::before {
  content: "_";
}

.window-controls span:nth-child(2)::before {
  content: "□";
}

.window-controls span:nth-child(3)::before {
  content: "x";
}

.window-controls span::before {
  display: block;
  color: #000;
  font-size: 10px;
  font-weight: 700;
  line-height: 8px;
  text-align: center;
}

.terminal-lines {
  margin: 8px;
  padding: 16px;
  color: #c0ffc0;
  background: #000;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  border-style: solid;
  border-width: 2px;
  box-shadow: inset 1px 1px 0 #000;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.92rem;
}

.terminal-lines p {
  margin-bottom: 9px;
}

.terminal-lines p:last-child {
  margin-bottom: 0;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 12px 0 36px;
}

.app-card {
  display: flex;
  min-height: 366px;
  flex-direction: column;
  padding: 10px;
  transition: filter 120ms ease, transform 120ms ease;
}

.app-card:hover {
  filter: brightness(1.025);
  transform: translateY(-2px);
}

.app-card::before {
  display: block;
  margin: -5px -5px 10px;
  padding: 4px 7px;
  color: #fff;
  background: linear-gradient(90deg, var(--title-blue), var(--title-blue-2));
  content: "Application";
  font-size: 0.78rem;
  font-weight: 700;
}

.app-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 15px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.badge {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: 3px 7px;
  color: #000;
  background: var(--win-face-light);
  border-color: var(--win-highlight) var(--win-shadow) var(--win-shadow) var(--win-highlight);
  border-style: solid;
  border-width: 2px;
  box-shadow: inset -1px -1px 0 var(--win-face-dark), inset 1px 1px 0 var(--win-highlight);
  font-size: 0.71rem;
  font-weight: 700;
  text-transform: uppercase;
}

.platform-mac {
  background: #d7ebff;
}

.platform-ios {
  background: #f1f1f1;
}

.platform-web {
  background: #d8fff0;
}

.status-available {
  background: #ccffcc;
}

.status-beta {
  background: #ffff99;
}

.status-soon {
  background: #ffd2c9;
}

.mini {
  position: relative;
  display: block;
  flex: 0 0 auto;
  width: 58px;
  height: 52px;
  background: var(--win-face-light);
  border-color: var(--win-highlight) var(--win-shadow) var(--win-shadow) var(--win-highlight);
  border-style: solid;
  border-width: 2px;
  box-shadow: inset -1px -1px 0 var(--win-face-dark), inset 1px 1px 0 var(--win-highlight);
}

.cabinet-icon {
  background: #c08040;
}

.cabinet-icon span {
  position: absolute;
  left: 8px;
  width: 38px;
  height: 9px;
  background: #f0c080;
  border: 1px solid #000;
}

.cabinet-icon span:nth-child(1) {
  top: 8px;
}

.cabinet-icon span:nth-child(2) {
  top: 21px;
}

.cabinet-icon span:nth-child(3) {
  top: 34px;
}

.typewriter-icon {
  background: #d0d0d0;
}

.typewriter-icon span:nth-child(1) {
  position: absolute;
  top: 7px;
  left: 14px;
  width: 28px;
  height: 16px;
  background: #fff;
  border: 1px solid #000;
}

.typewriter-icon span:nth-child(2) {
  position: absolute;
  right: 7px;
  bottom: 10px;
  left: 7px;
  height: 16px;
  background: #000080;
  border: 1px solid #000;
}

.typewriter-icon span:nth-child(3) {
  position: absolute;
  right: 12px;
  bottom: 15px;
  left: 12px;
  height: 5px;
  background: repeating-linear-gradient(90deg, #fff 0 4px, transparent 4px 7px);
}

.vhs-icon {
  height: 42px;
  margin-top: 5px;
  background: #202020;
}

.vhs-icon span:nth-child(1) {
  position: absolute;
  top: 9px;
  left: 7px;
  width: 40px;
  height: 17px;
  background: #fff;
  border: 1px solid #000;
}

.vhs-icon span:nth-child(2) {
  position: absolute;
  right: 10px;
  bottom: 6px;
  left: 10px;
  height: 5px;
  background: #b00000;
}

.cassette-icon {
  background: #d7ebff;
}

.cassette-icon span:nth-child(1),
.cassette-icon span:nth-child(2) {
  position: absolute;
  top: 22px;
  width: 14px;
  height: 14px;
  background: #fff;
  border: 1px solid #000;
  border-radius: 50%;
}

.cassette-icon span:nth-child(1) {
  left: 10px;
}

.cassette-icon span:nth-child(2) {
  right: 10px;
}

.cassette-icon span:nth-child(3) {
  position: absolute;
  top: 8px;
  left: 9px;
  width: 38px;
  height: 10px;
  background: #fff;
  border: 1px solid #000;
}

.rolodex-icon {
  overflow: hidden;
  background: #d0d0d0;
}

.rolodex-icon span {
  position: absolute;
  right: 7px;
  left: 7px;
  height: 20px;
  background: #fff;
  border: 1px solid #000;
}

.rolodex-icon span:nth-child(1) {
  top: 9px;
}

.rolodex-icon span:nth-child(2) {
  top: 19px;
}

.rolodex-icon span:nth-child(3) {
  top: 29px;
}

.calendar-icon {
  background: #fff;
}

.calendar-icon::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 14px;
  content: "";
  background: #000080;
  border-bottom: 1px solid #000;
}

.calendar-icon span {
  position: absolute;
  width: 8px;
  height: 8px;
  background: #008000;
}

.calendar-icon span:nth-child(1) {
  top: 24px;
  left: 11px;
}

.calendar-icon span:nth-child(2) {
  top: 24px;
  left: 27px;
}

.calendar-icon span:nth-child(3) {
  top: 38px;
  left: 11px;
}

.app-card-copy {
  flex: 1;
  padding: 8px;
  background: #fff;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  border-style: solid;
  border-width: 2px;
}

.app-card h2 {
  margin-bottom: 7px;
  font-size: 1.3rem;
  line-height: 1.12;
}

.app-card p {
  margin-bottom: 14px;
  color: var(--muted);
  line-height: 1.45;
}

.app-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.app-card li {
  position: relative;
  padding-left: 18px;
  color: #111;
  font-size: 0.92rem;
  line-height: 1.36;
}

.app-card li::before {
  position: absolute;
  top: 0.55em;
  left: 2px;
  width: 7px;
  height: 7px;
  content: "";
  background: #000080;
  transform: translateY(-50%);
}

.download-link,
.primary-action {
  width: fit-content;
  min-height: 36px;
  margin-top: 12px;
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.download-actions .download-link,
.download-actions .primary-action {
  margin-top: 0;
}

.featured-actions {
  margin-top: 16px;
}

.featured-section,
.screens-section {
  padding: 14px 0 36px;
}

.about-section {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 22px;
  align-items: start;
  margin-bottom: 36px;
  padding: 16px;
}

.retro-window {
  overflow: hidden;
}

.window-titlebar {
  display: flex;
  gap: 8px;
}

.window-titlebar > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.window-controls {
  order: 2;
}

.featured-content {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: 18px;
}

.file-cabinet-visual {
  position: relative;
  min-height: 300px;
  padding: 52px 18px 16px;
  background: #c08040;
  border-color: var(--win-highlight) var(--win-shadow) var(--win-shadow) var(--win-highlight);
  border-style: solid;
  border-width: 2px;
  box-shadow: inset -1px -1px 0 #804000, inset 1px 1px 0 #ffd6a0;
}

.cabinet-top {
  position: absolute;
  top: 17px;
  right: 18px;
  left: 18px;
  height: 17px;
  background: #f0c080;
  border: 1px solid #000;
}

.drawer {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  margin-bottom: 15px;
  background: #e0a060;
  border-color: #ffd6a0 #804000 #804000 #ffd6a0;
  border-style: solid;
  border-width: 2px;
}

.drawer span {
  padding: 3px 14px;
  background: #fff;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  border-style: solid;
  border-width: 2px;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.78rem;
  font-weight: 700;
}

.featured-content h2,
.section-heading h2 {
  margin-bottom: 12px;
  font-size: clamp(1.8rem, 4vw, 3.25rem);
  line-height: 1;
}

.featured-content p,
.about-copy p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.62;
}

.feature-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.feature-metrics span {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  gap: 6px;
  padding: 7px 9px;
  background: #fff;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  border-style: solid;
  border-width: 2px;
  font-size: 0.82rem;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 14px;
  padding: 14px;
  background: var(--win-face);
  border-color: var(--win-highlight) var(--win-shadow) var(--win-shadow) var(--win-highlight);
  border-style: solid;
  border-width: 2px;
  box-shadow: inset -1px -1px 0 var(--win-face-dark), inset 1px 1px 0 var(--win-face-light);
}

.mockup-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  gap: 12px;
}

.mockup-window {
  min-height: 294px;
}

.drawer-mockup,
.catalog-card-mockup,
.crt-screen {
  min-height: 250px;
  padding: 14px;
}

.drawer-mockup {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 12px;
  background: #fff;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  border-style: solid;
  border-width: 2px;
}

.sidebar-tabs {
  display: grid;
  gap: 8px;
  align-content: start;
}

.sidebar-tabs span {
  height: 40px;
  background: var(--win-face);
  border-color: var(--win-highlight) var(--win-shadow) var(--win-shadow) var(--win-highlight);
  border-style: solid;
  border-width: 2px;
}

.folder-stack {
  display: grid;
  gap: 10px;
  align-content: start;
}

.folder-stack span {
  position: relative;
  min-height: 50px;
  padding: 17px 14px 9px;
  background: #ffff99;
  border: 1px solid #000;
  font-size: 0.82rem;
  font-weight: 700;
}

.folder-stack span::before {
  position: absolute;
  top: -9px;
  left: 10px;
  width: 78px;
  height: 12px;
  content: "";
  background: inherit;
  border: 1px solid #000;
  border-bottom: 0;
}

.catalog-card-mockup {
  display: grid;
  align-content: center;
  gap: 16px;
  background: #fff;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  border-style: solid;
  border-width: 2px;
}

.index-card {
  display: grid;
  gap: 12px;
  min-height: 144px;
  padding: 22px 16px;
  background: #fffff0;
  border: 1px solid #000;
}

.typed-line {
  display: block;
  width: 76%;
  height: 9px;
  background: #000;
}

.typed-line.wide {
  width: 92%;
}

.typed-line.short {
  width: 48%;
}

.tag-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag-strip span {
  padding: 4px 8px;
  background: var(--win-face);
  border-color: var(--win-highlight) var(--win-shadow) var(--win-shadow) var(--win-highlight);
  border-style: solid;
  border-width: 2px;
  font-size: 0.72rem;
  font-weight: 700;
}

.crt-window {
  background: var(--win-face);
}

.crt-screen {
  position: relative;
  display: grid;
  align-content: center;
  color: #c0ffc0;
  background: #000;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  border-style: solid;
  border-width: 2px;
  font-family: "Courier New", Courier, monospace;
}

.crt-screen p {
  margin-bottom: 10px;
}

.about-copy {
  padding: 12px;
  columns: 2;
  column-gap: 28px;
  background: #fff;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  border-style: solid;
  border-width: 2px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 12px;
}

.site-footer div,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 14px;
}

.site-footer div {
  flex-direction: column;
  gap: 4px;
}

.site-footer span {
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer nav {
  justify-content: flex-end;
}

.site-footer a {
  color: #000080;
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

@media (max-width: 940px) {
  .catalog-intro,
  .featured-content,
  .about-section {
    grid-template-columns: 1fr;
  }

  .terminal-panel {
    max-width: 440px;
  }

  .app-grid,
  .mockup-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .file-cabinet-visual {
    max-width: 340px;
  }

  .about-copy {
    columns: 1;
  }
}

@media (max-width: 680px) {
  .desktop-shell {
    width: min(100% - 20px, 1180px);
  }

  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .main-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .main-nav a {
    flex: 1 1 94px;
    text-align: center;
  }

  .catalog-intro {
    padding-top: 14px;
  }

  .app-grid,
  .mockup-grid {
    grid-template-columns: 1fr;
  }

  .app-card {
    min-height: auto;
  }

  .featured-content {
    padding: 12px;
  }

  .file-cabinet-visual {
    min-height: 250px;
  }

  .site-footer {
    flex-direction: column;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

@media (max-width: 420px) {
  .brand-lockup {
    min-width: 0;
  }

  .brand-subtitle {
    max-width: 210px;
  }

  .badges {
    justify-content: flex-start;
  }

  .app-card-top {
    flex-direction: column;
  }
}