:root {
  --header: #2d3943;
  --page: #161c21;
  --card: #2d3943;
  --inset: #40505c;
  --nav-hover: #47535d;
  --text: #f0f0f0;
  --muted: #a4a4a4;
  --blue: #2b87d3;
  --blue-press: #277cc2;
  --green: #1fd78d;
  --red: #f62451;
  --chrome: #f0f0f0;
  --radius: 2px;
  --max: 1120px;
  --font: "Play", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--page);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: inherit; }

img { max-width: 100%; display: block; }

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--blue);
  color: #fff;
  padding: 8px 12px;
  z-index: 100;
}

.skip:focus { left: 8px; }

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

/* --- top bar like the desktop chrome --- */
.top {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--header);
  border-bottom: 1px solid #1b242c;
}

.top-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 56px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
}

.brand strong { font-weight: 700; }
.brand span { color: var(--blue); }

.brand img {
  width: 28px;
  height: 28px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav a,
.lang button {
  color: var(--text);
  text-decoration: none;
  background: transparent;
  border: 0;
  font: inherit;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: var(--radius);
}

.nav a:hover,
.lang button:hover { background: var(--nav-hover); }

.lang {
  display: flex;
  margin-left: 8px;
  background: var(--inset);
  border-radius: var(--radius);
}

.lang button[aria-pressed="true"] {
  background: var(--blue);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 18px;
  border: 0;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  color: var(--text);
  background: var(--blue);
}

.btn:hover { background: var(--blue-press); }

.btn-green { background: #13b574; }
.btn-green:hover { background: #109e65; }

.btn-ghost {
  background: var(--inset);
}
.btn-ghost:hover { background: var(--nav-hover); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* --- hero --- */
.hero {
  padding: 56px 0 32px;
  background:
    radial-gradient(900px 320px at 80% -10%, rgba(43, 135, 211, 0.16), transparent 70%),
    var(--page);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.kicker i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(31, 215, 141, 0.18);
}

h1 {
  font-size: clamp(32px, 4.4vw, 48px);
  line-height: 1.12;
  margin: 0 0 14px;
  font-weight: 700;
}

.lede {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  max-width: 46ch;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.chip {
  background: var(--card);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: var(--radius);
}

/* --- fake window --- */
.mock {
  background: #1b232b;
  border: 1px solid #32414c;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.38);
}

.mock-bar {
  background: var(--header);
  height: 36px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
}

.mock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--inset);
}
.mock-dot:nth-child(3) { background: var(--red); }

.mock-body {
  display: grid;
  grid-template-columns: 132px 1fr;
  min-height: 280px;
}

.mock-side {
  background: var(--header);
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mock-nav {
  padding: 8px 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  border-radius: var(--radius);
}

.mock-nav.on {
  background: var(--inset);
  color: var(--text);
}

.mock-main { padding: 14px; }

.status-card {
  background: var(--card);
  padding: 14px;
  border-radius: var(--radius);
}

.status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.status-name { font-weight: 700; font-size: 16px; }

.online {
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
}

.soft {
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  margin: 4px 0 12px;
}

.mock-btns {
  display: flex;
  gap: 8px;
}

.mock-btns span {
  flex: 1;
  text-align: center;
  background: var(--blue);
  padding: 8px 0;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius);
}

.mock-btns span.stop { background: var(--red); }

.console {
  margin-top: 10px;
  background: #11171c;
  padding: 10px 12px;
  font-size: 11px;
  line-height: 1.55;
  color: #c5d0d6;
  min-height: 92px;
  font-family: ui-monospace, Consolas, monospace;
}

.console b { color: var(--green); font-weight: 700; }

/* --- strip --- */
.strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: #1b242c;
  border-block: 1px solid #1b242c;
  margin: 8px 0 0;
}

.strip div {
  background: var(--page);
  padding: 22px 16px;
  text-align: center;
}

.strip strong {
  display: block;
  font-size: 18px;
}

.strip span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

/* --- sections --- */
section {
  padding: 64px 0;
  scroll-margin-top: 64px;
}

h2 {
  margin: 0 0 8px;
  font-size: 28px;
}

.section-lead {
  color: var(--muted);
  margin: 0 0 28px;
  max-width: 52ch;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.card {
  background: var(--card);
  padding: 20px 18px;
  border-radius: var(--radius);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.step {
  background: var(--card);
  padding: 22px;
  border-radius: var(--radius);
  position: relative;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.n {
  color: var(--blue);
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 8px;
}

.download {
  background: var(--header);
}

.dl-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: start;
}

.dl-note {
  color: var(--muted);
  font-size: 14px;
}

.dl-note code {
  background: var(--inset);
  padding: 1px 6px;
  border-radius: var(--radius);
  color: var(--text);
  font-size: 12px;
}

.linux-help {
  margin-top: 16px;
  background: var(--page);
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--muted);
}

.linux-help pre {
  margin: 8px 0 0;
  overflow: auto;
  color: var(--text);
  font-size: 12px;
}

.faq details {
  background: var(--card);
  padding: 14px 16px;
  margin-bottom: 8px;
  border-radius: var(--radius);
}

.faq summary {
  font-weight: 700;
  cursor: pointer;
}

.faq p {
  color: var(--muted);
  margin: 10px 0 0;
  font-size: 14px;
}

footer {
  background: var(--header);
  padding: 28px 0 36px;
  font-size: 13px;
  color: var(--muted);
}

.foot {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.foot a { color: var(--text); }

.legal { margin-top: 16px; max-width: 72ch; }

.menu-btn {
  display: none;
  margin-left: auto;
  background: var(--inset);
  color: var(--text);
  border: 0;
  font: inherit;
  font-weight: 700;
  padding: 8px 12px;
  cursor: pointer;
}

@media (max-width: 900px) {
  .hero-grid,
  .dl-grid,
  .grid-3,
  .grid-2,
  .steps,
  .strip {
    grid-template-columns: 1fr;
  }

  .menu-btn { display: inline-flex; }

  .nav {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--header);
    flex-direction: column;
    align-items: stretch;
    padding: 8px;
    margin: 0;
  }

  .nav.open { display: flex; }

  .lang {
    margin-left: 0;
    align-self: flex-start;
  }

  .hero { padding-top: 32px; }

  .mock-body { grid-template-columns: 1fr; }
  .mock-side { display: none; }
}