:root {
  --bg: #07090f;
  --bg-2: #0e1220;
  --card: #111627;
  --line: rgba(255, 255, 255, 0.08);
  --text: #eef2fb;
  --muted: #9aa6bd;
  --blue: #0a7cff;
  --cyan: #5cc2ff;
  --violet: #785cff;
  --radius: 22px;
  --wrap: 1080px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  overflow-x: hidden;
}

a { color: var(--cyan); }
img, video { display: block; max-width: 100%; }

/* Only the sides: sections, the hero and the footer set their own space above and below. */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 16px; }

/* Header with a live island in the middle, like the app at the top of the screen. */
.top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 19px;
  text-decoration: none;
}
.brand img { width: 32px; height: 32px; }
.lang {
  color: var(--muted);
  font-size: 15px;
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.lang:hover { color: var(--text); }

.pill {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 132px;
  height: 36px;
  background: #000;
  border-radius: 0 0 20px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.6);
}
.eye {
  width: 9px;
  height: 14px;
  background: #fff;
  border-radius: 50%;
  transform: translate(var(--ex, 0), var(--ey, 0));
  transition: transform 0.25s ease-out;
  animation: blink 5s infinite;
}
@keyframes blink {
  0%, 92%, 100% { scale: 1 1; }
  95% { scale: 1 0.1; }
}

/* Hero */
.hero { text-align: center; padding-block: 40px 24px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--bg-2);
  border-radius: 999px;
  padding: 6px 12px;
}
.badge svg { width: 15px; height: 15px; fill: var(--cyan); }
h1 {
  font-size: clamp(34px, 9vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 18px 0 14px;
}
h1 .grad {
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead { color: var(--muted); font-size: clamp(17px, 4.4vw, 20px); max-width: 620px; margin: 0 auto; }

.cta { display: flex; flex-direction: column; align-items: center; gap: 12px; margin: 28px 0 8px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 28px;
  border-radius: 16px;
  font: inherit;
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  cursor: pointer;
  border: 0;
}
.btn svg { width: 22px; height: 22px; fill: currentColor; flex: none; }
.btn-main {
  color: #fff;
  background: linear-gradient(180deg, #2b8fff, var(--blue));
  box-shadow: 0 10px 30px rgba(10, 124, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  width: 100%;
  max-width: 360px;
}
.btn-main:hover { filter: brightness(1.08); }
.btn-ghost {
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--line);
  min-height: 48px;
  font-size: 16px;
  font-weight: 600;
}
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.2); }
.fine { color: var(--muted); font-size: 14px; margin: 0; }
.fine a { color: var(--muted); }
.links { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; margin: 0; font-size: 15px; }
.links a { display: inline-flex; align-items: center; gap: 6px; color: #cfd7e6; text-decoration: none; border-bottom: 1px solid var(--line); padding: 4px 0; }
.links a:hover { color: #fff; }
.links svg { width: 18px; height: 18px; fill: currentColor; }

/* Shown on phones and on computers without Windows. */
.notice {
  display: none;
  max-width: 420px;
  margin: 18px auto 0;
  padding: 16px;
  text-align: left;
  background: var(--card);
  border: 1px solid rgba(92, 194, 255, 0.3);
  border-radius: 18px;
}
.notice.on { display: block; }
.notice p { margin: 0 0 12px; font-size: 16px; }
.notice .row { display: flex; gap: 8px; flex-wrap: wrap; }
.notice .btn { flex: 1 1 0; min-height: 46px; font-size: 16px; padding: 0 12px; white-space: nowrap; box-shadow: none; }
.notice .done { color: var(--cyan); font-size: 14px; margin: 10px 0 0; min-height: 1em; }

/* A monitor with the island at the top of its screen. */
.monitor { max-width: 880px; margin: 36px auto 0; }
.screen {
  position: relative;
  border-radius: 14px;
  border: 7px solid #1a1f2c;
  background: #0b1020;
  overflow: hidden;
  aspect-ratio: 5 / 3;
  box-shadow: 0 30px 80px rgba(10, 124, 255, 0.18);
}
.screen video { width: 100%; height: 100%; object-fit: cover; }
.taskbar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8%;
  min-height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.4%;
  background: rgba(16, 20, 34, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.taskbar i {
  width: 3%;
  aspect-ratio: 1;
  border-radius: 22%;
  background: rgba(255, 255, 255, 0.22);
}
.taskbar i:first-child {
  background:
    linear-gradient(var(--cyan), var(--cyan)) 0 0 / 46% 46% no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) 100% 0 / 46% 46% no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) 0 100% / 46% 46% no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) 100% 100% / 46% 46% no-repeat;
  border-radius: 0;
  width: 2.2%;
}
.stand {
  width: 22%;
  height: 26px;
  margin: 0 auto;
  background: linear-gradient(#1a1f2c, #121622);
  clip-path: polygon(18% 0, 82% 0, 100% 100%, 0 100%);
}

/* Sections */
section { padding-block: 72px 0; }
h2 {
  font-size: clamp(28px, 7vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 10px;
  text-align: center;
}
.sub { color: var(--muted); text-align: center; max-width: 640px; margin: 0 auto 32px; }

.features { display: grid; gap: 20px; }
.feature {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.feature video, .widget video { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; background: #0b1020; }
.feature .txt { padding: 18px 20px 22px; }
.feature h3 { font-size: 22px; margin: 0 0 6px; }
.feature p { margin: 0; color: var(--muted); }

.extras {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}
.extras li {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 15px;
  color: #cfd7e6;
}

.widgets { display: grid; grid-template-columns: 1fr; gap: 16px; }
.widget {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
.widget video { aspect-ratio: 640 / 378; }
.widget .txt { padding: 14px 16px 16px; }
.widget h3 { font-size: 18px; margin: 0 0 4px; }
.widget p { margin: 0; color: var(--muted); font-size: 15px; }

.own {
  margin-top: 20px;
  padding: 26px 22px;
  border-radius: var(--radius);
  text-align: center;
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(10, 124, 255, 0.35), transparent 60%),
    radial-gradient(120% 140% at 100% 100%, rgba(120, 92, 255, 0.35), transparent 60%),
    var(--card);
  border: 1px solid var(--line);
}
.own h3 { font-size: 24px; margin: 0 0 8px; }
.own p { color: #cfd7e6; margin: 0 auto 6px; max-width: 560px; }

.steps { display: grid; gap: 14px; counter-reset: step; padding: 0; margin: 0; list-style: none; }
.steps li {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 18px 18px 64px;
  counter-increment: step;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 18px;
  top: 18px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  background: linear-gradient(180deg, #2b8fff, var(--blue));
}
.steps b { display: block; margin-bottom: 2px; }
.steps span { color: var(--muted); }

.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 32px 14px 0;
  font-weight: 600;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 10px;
  font-size: 24px;
  color: var(--muted);
}
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 0 16px; color: var(--muted); }

.final { text-align: center; padding-block: 88px 24px; }
.final .mascot { width: 88px; height: 88px; margin: 0 auto 8px; }

footer {
  margin-top: 40px;
  padding-block: 28px 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}
footer p { margin: 6px 0; }
footer a { color: var(--muted); }

@media (min-width: 640px) {
  .cta { flex-direction: row; justify-content: center; flex-wrap: wrap; }
  .cta .fine, .cta .links { flex-basis: 100%; text-align: center; }
  .btn-main { width: auto; }
  .widgets { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 900px) {
  body { font-size: 18px; }
  .hero { padding-top: 64px; }
  section { padding-top: 104px; }
  .features { grid-template-columns: 1fr 1fr; gap: 24px; }
  .widgets { grid-template-columns: repeat(4, 1fr); }
  .widget p { font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .eye { animation: none; transition: none; }
}
