:root {
  --desktop: #008080;
  --silver: #c0c0c0;
  --light: #ffffff;
  --mid: #dfdfdf;
  --shadow: #808080;
  --dark: #000000;
  --navy: #000080;
  --blue: #1084d0;
  --text: #111111;
  color-scheme: light;
  font-family: "MS Sans Serif", Tahoma, Geneva, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { min-width: 300px; background: var(--desktop); scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background-color: var(--desktop);
  background-image:
    linear-gradient(rgba(0, 128, 128, .94), rgba(0, 103, 103, .94)),
    url("theme-clouds.webp");
  background-position: center;
  background-size: cover;
  background-attachment: fixed;
  font-size: 16px;
  line-height: 1.5;
}

a { color: #000080; }
a:visited { color: #551a8b; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px dotted #000; outline-offset: 3px; }
img { display: block; max-width: 100%; height: auto; }

.skip-link {
  position: fixed;
  z-index: 999;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  transform: translateY(-150%);
  color: #000;
  background: #fff;
}
.skip-link:focus { transform: translateY(0); }

.desktop {
  width: min(1180px, calc(100% - 28px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 28px 0 80px;
}

.window {
  border: 2px solid;
  border-color: var(--light) var(--dark) var(--dark) var(--light);
  background: var(--silver);
  box-shadow: 1px 1px 0 #000;
}

.titlebar {
  display: flex;
  min-height: 28px;
  align-items: center;
  justify-content: space-between;
  padding: 3px 4px 3px 6px;
  color: #fff;
  background: linear-gradient(90deg, var(--navy), var(--blue));
  font-weight: 700;
  letter-spacing: .01em;
  line-height: 1.1;
}
.titlebar > span:first-child { display: inline-flex; align-items: center; gap: 6px; }

.window-controls { display: flex; gap: 3px; }
.window-controls i {
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border: 2px solid;
  border-color: #fff #000 #000 #fff;
  color: #000;
  background: var(--silver);
  font: 700 13px/1 Arial, sans-serif;
  font-style: normal;
}

.window-body { padding: clamp(22px, 4vw, 48px); }
.site-header { position: relative; z-index: 10; margin-bottom: 24px; }
.menubar { display: flex; flex-wrap: wrap; gap: 4px 10px; padding: 4px 8px 6px; }
.menubar a { padding: 2px 8px; color: #000; text-decoration: none; }
.menubar a:hover, .menubar a[aria-current="page"] { background: var(--navy); color: #fff; }

main { display: grid; gap: 28px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(360px, 1.15fr); gap: clamp(24px, 5vw, 64px); align-items: center; }
.eyebrow { margin: 0 0 12px; color: #000080; font-family: "Courier New", monospace; font-size: .875rem; font-weight: 700; letter-spacing: .08em; }
h1, h2, h3 { margin-top: 0; line-height: 1.12; }
h1 { max-width: 16ch; margin-bottom: 22px; font-size: clamp(2rem, 5vw, 4.5rem); letter-spacing: -.045em; }
h2 { margin-bottom: 20px; font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { margin-bottom: 5px; font-size: 1.15rem; }
p { margin-top: 0; }
.lead { max-width: 66ch; font-size: clamp(1.05rem, 2vw, 1.3rem); }

.inset {
  border: 3px solid;
  border-color: var(--shadow) var(--light) var(--light) var(--shadow);
  background: #000;
  box-shadow: inset 1px 1px #000;
}
.hero-shot { overflow: hidden; }
.hero-shot img, .screenshot-link img { width: 100%; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 14px; }
.button, .start-button {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border: 2px solid;
  border-color: #fff #000 #000 #fff;
  color: #000;
  background: var(--silver);
  box-shadow: 1px 1px 0 #000;
  font: 700 .92rem/1.2 "MS Sans Serif", Tahoma, sans-serif;
  text-decoration: none;
}
.button:visited, .start-button:visited { color: #000; }
.button:hover, .start-button:hover { background: #ddd; }
.button:active, .start-button:active { border-color: #000 #fff #fff #000; transform: translate(1px, 1px); }
.button.primary { font-size: 1rem; }
.button.disabled { color: #555; text-shadow: 1px 1px #fff; cursor: default; }
.system-note { font: 700 .78rem/1.4 "Courier New", monospace; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; padding: 0; list-style: none; }
.steps li, .screenshot-card figcaption { display: flex; gap: 14px; }
.step-number {
  display: grid;
  width: 36px;
  min-width: 36px;
  height: 36px;
  place-items: center;
  border: 2px solid;
  border-color: #fff #000 #000 #fff;
  color: #fff;
  background: var(--navy);
  font-weight: 700;
}
.center { text-align: center; }
.two-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.section-window .window-body { height: calc(100% - 28px); }
.check-list { padding-left: 1.2em; }
.check-list li { margin-bottom: 10px; }
.check-list li::marker { content: "✓  "; font-weight: 700; }
.compact-window { width: min(800px, 100%); margin-inline: auto; }
.status-row { display: flex; align-items: center; gap: 16px; padding-block: 22px; }
.status-row p { margin: 0; }
.status-light { width: 16px; min-width: 16px; height: 16px; border: 2px solid; border-color: #000 #fff #fff #000; border-radius: 50%; background: #00c000; }

.page-intro .window-body { padding-block: clamp(30px, 5vw, 60px); }
.page-intro h1, .document-window h1 { max-width: none; }
.gallery { display: grid; gap: 28px; }
.screenshot-card { margin: 0; }
.screenshot-link { display: block; margin: clamp(12px, 2vw, 24px); overflow: hidden; }
.screenshot-link:focus-visible { outline: 3px dotted #fff; outline-offset: -8px; }
.screenshot-card figcaption { padding-top: 20px; }
.screenshot-card figcaption h2 { margin-bottom: 8px; }
.screenshot-small { width: min(760px, 100%); margin-inline: auto; }
.popup-shot { display: block; width: min(360px, calc(100% - 48px)); margin: 24px auto; padding: 28px; background: #3a6ea5; }

.legal-layout { display: block; }
.document-window, .faq-window { width: min(900px, 100%); margin-inline: auto; }
.prose { font-family: Arial, sans-serif; }
.prose h2 { margin-top: 36px; margin-bottom: 10px; padding-bottom: 5px; border-bottom: 1px solid #808080; font-size: 1.4rem; }
.prose p, .prose li { max-width: 75ch; }
details { margin: 0 0 14px; border: 2px solid; border-color: #808080 #fff #fff #808080; background: #fff; }
summary { padding: 12px 14px; cursor: pointer; font-weight: 700; }
details p { margin: 0; padding: 0 14px 16px 40px; }

.taskbar {
  position: fixed;
  z-index: 50;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: 8px;
  padding: 4px 6px;
  border-top: 2px solid #fff;
  background: var(--silver);
  box-shadow: 0 -1px #dfdfdf;
}
.start-button { min-height: 34px; gap: 6px; padding: 5px 10px; }
.task-item, .tray { min-width: 0; padding: 6px 12px; border: 2px solid; border-color: #808080 #fff #fff #808080; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.task-item { flex: 1; max-width: 360px; }
.tray { margin-left: auto; }

@media (max-width: 800px) {
  .desktop { width: calc(100% - 16px); padding-top: 8px; }
  .hero-grid, .two-columns, .steps { grid-template-columns: 1fr; }
  .hero-copy { order: 1; }
  .hero-shot { order: 2; }
  h1 { max-width: none; }
  .menubar { gap: 2px; }
  .menubar a { padding-inline: 6px; }
  .steps { gap: 10px; }
  .tray { display: none; }
  .task-item { max-width: none; }
}

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