/* PecoFence product site. The page is a Windows 11 desktop: the wallpaper stays fixed,
   content sits in glass fences, and the navigation is a taskbar along the bottom. */

:root {
  --ink: #f3f8ff;
  --ink-soft: #b9cee2;
  --ink-mute: #8fa9c2;
  --accent: #7bd2ff;
  --accent-strong: #cfeeff;
  --glass: rgba(9, 24, 46, 0.52);
  --glass-title: rgba(255, 255, 255, 0.045);
  --edge: rgba(255, 255, 255, 0.15);
  --edge-soft: rgba(255, 255, 255, 0.09);
  --shadow: 0 24px 60px rgba(2, 10, 26, 0.5), 0 2px 6px rgba(2, 10, 26, 0.35);
  --radius: 8px;
  --taskbar: 60px;
  --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Yu Gothic UI",
    "Malgun Gothic", "Microsoft YaHei UI", "Microsoft JhengHei UI", sans-serif;
  --font-display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system,
    "Yu Gothic UI", "Malgun Gothic", "Microsoft YaHei UI", "Microsoft JhengHei UI", sans-serif;
  --measure: 62ch;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 24px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  padding: 0 0 calc(var(--taskbar) + 32px);
  color: var(--ink);
  font: 400 16px/1.55 var(--font);
  background: #0b1b31;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-wrap: break-word;
}
/* The wallpaper is a fixed layer so it also stays put on mobile browsers. */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1;
  background: #0b1b31 url("wallpaper.jpg") center / cover no-repeat;
}

a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-strong); }
:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 3px; border-radius: 4px; }

code, kbd {
  font: 500 0.92em/1 var(--font);
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid var(--edge-soft);
  white-space: nowrap;
}
kbd { border-bottom-width: 2px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

main { width: min(1180px, 100% - 48px); margin: 0 auto; min-width: 0; }

/* Masthead ------------------------------------------------------------------ */
.masthead { padding: 30px 0 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--ink); text-decoration: none; font: 600 22px/1 var(--font-display); letter-spacing: -0.3px;
}

/* Hero ---------------------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  min-width: 0;
  gap: 48px 40px;
  align-items: center;
  padding: 64px 0 88px;
}
.hero h1 {
  margin: 0 0 20px;
  font: 700 clamp(38px, 4.6vw, 60px)/1.06 var(--font-display);
  letter-spacing: -0.02em;
  text-wrap: balance;
  color: #fff;
}
/* CJK headlines carry more meaning per glyph; a slightly smaller size keeps the
   sentence break on the full stop instead of inside a word. */
:lang(ja) .hero h1, :lang(ko) .hero h1, :lang(zh-CN) .hero h1, :lang(zh-TW) .hero h1 {
  font-size: clamp(32px, 3.8vw, 52px); letter-spacing: 0; line-break: strict;
}
:lang(ja) .hero h1 { font-size: clamp(30px, 3vw, 42px); }
.lede { margin: 0 0 30px; max-width: var(--measure); font-size: 18px; line-height: 1.55; color: var(--ink-soft); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 14px; }
.note { margin: 0; color: var(--ink-mute); font-size: 14px; }

.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 20px;
  border-radius: 6px; border: 1px solid var(--edge);
  background: rgba(255, 255, 255, 0.07);
  color: var(--ink); font: 600 15px/1 var(--font); text-decoration: none;
  transition: background-color 120ms ease, border-color 120ms ease;
}
.button:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.button.primary {
  background: var(--accent); border-color: transparent; color: #06203a;
}
.button.primary:hover { background: var(--accent-strong); color: #06203a; }

/* The three real fences from the demo desktop, laid out like a desktop. */
.desk {
  position: relative; margin: 0 0 36px;
  aspect-ratio: 16 / 11;
  min-width: 0;
}
.desk .panel {
  position: absolute;
  width: 47%; height: auto;
  border-radius: 6px;
  filter: drop-shadow(0 22px 36px rgba(2, 10, 26, 0.55));
  animation: settle 700ms cubic-bezier(0.16, 1, 0.3, 1) both;
}
.desk .p0 { left: 0; top: 0; animation-delay: 60ms; }
.desk .p1 { right: 0; top: 15%; animation-delay: 180ms; }
.desk .p2 { left: 7%; top: 51%; animation-delay: 300ms; }
.desk figcaption {
  position: absolute; left: 0; bottom: -30px;
  font-size: 13px; color: var(--ink-mute);
}
@keyframes settle {
  from { opacity: 0; transform: translateY(26px) scale(0.985); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .desk .panel { animation: none; }
}

/* Sections ------------------------------------------------------------------ */
.section { padding: 56px 0; }
.section h2 {
  margin: 0 0 12px;
  font: 700 clamp(26px, 3vw, 34px)/1.15 var(--font-display);
  letter-spacing: -0.015em; color: #fff;
}
.intro { margin: 0 0 28px; max-width: var(--measure); color: var(--ink-soft); font-size: 17px; }
.section > h2 + .fence, .section > h2 + .fences { margin-top: 28px; }

/* Fences -------------------------------------------------------------------- */
.fences { display: grid; gap: 24px; }
.fences.clips { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.fences.two { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: start; }

.fence {
  min-width: 0;
  background: var(--glass);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  -webkit-backdrop-filter: blur(28px) saturate(1.3);
  backdrop-filter: blur(28px) saturate(1.3);
}
.fence-title {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-height: 42px; padding: 0 16px;
  background: var(--glass-title);
  border-bottom: 1px solid var(--edge-soft);
  font: 600 15px/1.2 var(--font); color: #fff;
}
.fence-title h2 { margin: 0; font: inherit; letter-spacing: 0; }
.fence-body { padding: 20px 22px 22px; }
.fence-body > :first-child { margin-top: 0; }
.fence-body > :last-child { margin-bottom: 0; }
.fence-body p { max-width: var(--measure); }
.small { font-size: 14px; color: var(--ink-soft); }

/* Featured spot */
.watch { padding-top: 0; }
.watch video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; background: #050b14; }

/* Feature clips */
.clip video, .clip img.poster { display: block; width: 100%; height: auto; aspect-ratio: 1290 / 495; background: #0a1a2e; }
.clip .fence-body { padding-top: 16px; }
.clip p { margin: 0; color: var(--ink-soft); }
.clip-toggle {
  flex: none; display: inline-grid; place-items: center;
  width: 28px; height: 28px; border-radius: 50%;
  border: 1px solid var(--edge); background: rgba(255, 255, 255, 0.06); color: #fff; cursor: pointer;
}
.clip-toggle:hover { background: rgba(255, 255, 255, 0.14); }
.clip-toggle .icon-pause { display: none; }
.clip.is-playing .clip-toggle .icon-play { display: none; }
.clip.is-playing .clip-toggle .icon-pause { display: block; }

/* Details list */
.details {
  margin: 0; padding: 8px 22px 12px;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 32px;
}
.details div { padding: 16px 0 18px; border-bottom: 1px solid var(--edge-soft); }
.details div:nth-last-child(-n + 3) { border-bottom: 0; }
.details dt { margin: 0 0 6px; font-weight: 600; color: #fff; }
.details dd { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* Languages */
.language-list {
  list-style: none; margin: 0 0 20px; padding: 0;
  display: flex; flex-wrap: wrap; gap: 8px 10px;
}
.language-list li {
  display: inline-block; padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--edge-soft); background: rgba(255, 255, 255, 0.04);
  color: var(--ink); font-weight: 500; font-size: 15px;
}

/* Download */
.steps { margin: 0 0 22px; padding-left: 26px; }
.steps li { margin: 0 0 10px; padding-left: 4px; }
.steps li::marker { color: var(--accent); font-weight: 600; }
ul.plain { margin: 0 0 18px; padding-left: 20px; color: var(--ink-soft); }
ul.plain li { margin: 0 0 8px; }
ul.plain code { color: var(--ink); }

/* Footer -------------------------------------------------------------------- */
.footer { padding: 56px 0 24px; border-top: 1px solid var(--edge-soft); margin-top: 24px; }
.tagline { margin: 0 0 16px; font: 600 20px/1.3 var(--font-display); color: #fff; }
.footer-links { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 22px; }
.footer-links a { color: var(--ink-soft); text-decoration: none; }
.footer-links a:hover { color: #fff; text-decoration: underline; }
.footer .small { margin: 0; color: var(--ink-mute); }

/* Taskbar ------------------------------------------------------------------- */
.taskbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  height: var(--taskbar);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 0 16px;
  background: rgba(8, 20, 38, 0.72);
  border-top: 1px solid var(--edge-soft);
  -webkit-backdrop-filter: blur(30px) saturate(1.4);
  backdrop-filter: blur(30px) saturate(1.4);
}
.taskbar-brand { display: inline-flex; padding: 8px; border-radius: 6px; }
.taskbar-brand:hover { background: rgba(255, 255, 255, 0.08); }
.taskbar-links { display: flex; gap: 4px; }
.taskbar-links a {
  display: inline-block; padding: 9px 14px; border-radius: 6px;
  color: var(--ink); text-decoration: none; font-weight: 500; font-size: 15px;
}
.taskbar-links a:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.tray { display: flex; justify-content: flex-end; }
.lang {
  display: inline-flex; align-items: center; gap: 8px; padding: 0 12px; height: 38px;
  border-radius: 6px; border: 1px solid var(--edge-soft); background: rgba(255, 255, 255, 0.05);
  color: var(--ink); cursor: pointer;
}
.lang:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.lang select {
  appearance: none; -webkit-appearance: none;
  background: transparent; border: 0; color: inherit; font: 500 15px/1 var(--font);
  padding: 8px 18px 8px 0; cursor: pointer;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23b9cee2' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right center;
}
.lang select option { color: #0b1b31; background: #fff; }

/* Responsive ---------------------------------------------------------------- */
@media (max-width: 960px) {
  .hero { grid-template-columns: minmax(0, 1fr); padding: 48px 0 72px; }
  .fences.clips, .fences.two { grid-template-columns: minmax(0, 1fr); }
  .details { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .details div:nth-last-child(-n + 3) { border-bottom: 1px solid var(--edge-soft); }
  .details div:nth-last-child(-n + 2) { border-bottom: 0; }
}
@media (max-width: 640px) {
  main { width: min(1180px, 100% - 32px); }
  .hero h1 { font-size: 34px; }
  .lede { font-size: 17px; }
  .details { grid-template-columns: minmax(0, 1fr); padding: 4px 22px 8px; }
  .details div:nth-last-child(-n + 2) { border-bottom: 1px solid var(--edge-soft); }
  .details div:last-child { border-bottom: 0; }
  .taskbar { grid-template-columns: auto 1fr; padding: 0 10px; }
  .tray { display: none; }
  .taskbar-links { justify-content: center; gap: 0; }
  .taskbar-links a { padding: 9px 10px; font-size: 14px; }
  .taskbar-links a:nth-child(3) { display: none; }
  code, kbd { white-space: normal; }
}