:root {
  color-scheme: dark;
  --bg: #080c11;
  --panel: rgba(18, 25, 34, 0.78);
  --panel-solid: #111821;
  --text: #f4f7fa;
  --muted: #93a0af;
  --line: rgba(255, 255, 255, 0.1);
  --lime: #baff27;
  --cyan: #34d8ff;
  --amber: #ffb62f;
  --header-height: 84px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.ambient {
  position: fixed;
  z-index: -1;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.11;
  pointer-events: none;
}

.ambient-one { top: -180px; right: 8%; background: var(--lime); }
.ambient-two { bottom: 8%; left: -220px; background: var(--cyan); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header-height);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 clamp(24px, 5vw, 78px);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 12, 17, 0.84);
  backdrop-filter: blur(18px);
}

.brand { display: inline-flex; align-items: center; gap: 12px; width: max-content; }
.brand-mark { width: 39px; color: var(--cyan); }
.brand span { display: grid; line-height: 1; letter-spacing: 0.09em; }
.brand strong { font-size: 14px; }
.brand small { margin-top: 6px; color: var(--lime); font-size: 9px; letter-spacing: 0.34em; }

nav { display: flex; gap: 34px; color: #bac4cf; font-size: 13px; }
nav a, footer a { transition: color 160ms ease; }
nav a:hover, footer a:hover { color: var(--lime); }

.header-download {
  justify-self: end;
  padding: 11px 17px;
  border: 1px solid rgba(186, 255, 39, 0.48);
  color: var(--lime);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.04em;
}

main { width: min(1380px, 100%); margin: 0 auto; }

.hero {
  min-height: calc(100vh - var(--header-height));
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  align-items: center;
  gap: clamp(28px, 6vw, 90px);
  padding: clamp(72px, 8vw, 118px) clamp(24px, 6vw, 86px);
}

.eyebrow, .section-index {
  color: var(--cyan);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.22em;
}

.pulse {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 6px rgba(186, 255, 39, 0.11), 0 0 22px rgba(186, 255, 39, 0.85);
}

h1 {
  margin: 22px 0 24px;
  font-size: clamp(56px, 7.1vw, 110px);
  line-height: 0.88;
  letter-spacing: -0.075em;
  text-transform: uppercase;
}

h1 span { color: var(--lime); }
h1 em { color: transparent; -webkit-text-stroke: 1px rgba(244, 247, 250, 0.64); font-style: normal; }

.hero-lead { max-width: 700px; color: #aab5c1; font-size: clamp(16px, 1.4vw, 20px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 35px; }

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  padding: 0 22px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.03em;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover { transform: translateY(-2px); }
.button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.button-primary { background: var(--lime); color: #091006; box-shadow: 0 18px 55px rgba(186, 255, 39, 0.12); }
.button-primary:hover { background: #c7ff4e; }
.button-ghost { border: 1px solid var(--line); color: #dbe2e9; }
.button-ghost:hover { border-color: rgba(255,255,255,.3); }

.trust-row { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 30px; color: #748191; font-size: 11px; }
.trust-row span::before { content: "✓"; margin-right: 7px; color: var(--cyan); }

.hero-visual { position: relative; min-height: 560px; display: grid; place-items: center; }
.orbit { position: absolute; border-radius: 50%; border: 1px solid rgba(52, 216, 255, 0.16); }
.orbit-one { width: 90%; aspect-ratio: 1; }
.orbit-two { width: 66%; aspect-ratio: 1; border-color: rgba(186, 255, 39, 0.18); }

.visual-card {
  position: relative;
  width: min(100%, 520px);
  aspect-ratio: 0.92;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(145deg, rgba(25, 34, 45, 0.94), rgba(10, 15, 21, 0.94));
  box-shadow: 0 40px 100px rgba(0,0,0,.45);
  transform: rotate(2deg);
}

.visual-card::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.visual-topline, .visual-footer { display: flex; justify-content: space-between; font-size: 10px; letter-spacing: .18em; color: #7c8997; }
.visual-topline span:last-child, .visual-footer strong { color: var(--lime); }

.waveform {
  height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  overflow: hidden;
}

.waveform i { width: 5px; min-height: 16px; border-radius: 5px; background: linear-gradient(180deg, var(--cyan), var(--lime)); box-shadow: 0 0 18px rgba(52,216,255,.18); }
.waveform i:nth-child(3n) { height: 70%; }
.waveform i:nth-child(4n) { height: 42%; }
.waveform i:nth-child(5n) { height: 95%; }
.waveform i:nth-child(7n) { height: 28%; }
.waveform i:nth-child(2), .waveform i:nth-child(22) { height: 20%; }
.waveform i:nth-child(9), .waveform i:nth-child(17) { height: 84%; }

.usb-symbol { position: absolute; inset: 50% auto auto 50%; width: 114px; transform: translate(-50%, -43%); filter: drop-shadow(0 18px 35px rgba(0,0,0,.5)); }
.usb-cap { display: block; width: 54px; height: 27px; margin: 0 auto; border: 6px solid #dbe4eb; border-bottom: 0; }
.usb-body { height: 125px; display: grid; place-items: center; border-radius: 15px; background: var(--lime); color: #10180c; font-size: 58px; font-weight: 900; font-style: italic; }

.tool-section { padding: 115px clamp(24px, 6vw, 86px); border-top: 1px solid var(--line); }
.section-heading { max-width: 830px; }
.section-heading h2, .support-section h2 { margin: 15px 0 18px; font-size: clamp(38px, 5vw, 72px); line-height: 1; letter-spacing: -.055em; }
.section-heading p, .support-section p { color: var(--muted); font-size: 17px; }

.release-card {
  margin-top: 55px;
  display: grid;
  grid-template-columns: 1.5fr .85fr auto;
  align-items: center;
  gap: 25px;
  padding: 24px;
  border: 1px solid rgba(186, 255, 39, .23);
  background: linear-gradient(90deg, rgba(186,255,39,.065), rgba(17,24,33,.8) 46%);
}

.release-main { display: flex; align-items: center; gap: 20px; }
.app-icon { width: 72px; height: 72px; flex: none; display: grid; place-items: center; border-radius: 15px; background: var(--lime); color: #0b1008; box-shadow: inset 0 0 0 1px rgba(255,255,255,.36); }
.app-icon span { font-size: 38px; font-weight: 950; font-style: italic; }
.release-label, .release-status small { color: #738090; font-size: 9px; font-weight: 800; letter-spacing: .18em; }
.release-main h3 { margin: 4px 0 1px; font-size: 22px; }
.release-main p { margin: 0; color: #8e9aa8; font-size: 13px; }
.release-status { display: flex; align-items: center; gap: 12px; }
.release-status div { display: grid; gap: 2px; }
.release-status strong { font-size: 13px; }
.status-dot { width: 10px; height: 10px; border-radius: 50%; background: #697584; box-shadow: 0 0 0 5px rgba(105,117,132,.12); }
.status-dot.online { background: var(--lime); box-shadow: 0 0 0 5px rgba(186,255,39,.11), 0 0 18px rgba(186,255,39,.65); }
.status-dot.offline { background: var(--amber); box-shadow: 0 0 0 5px rgba(255,182,47,.1); }
.release-download { padding: 14px 18px; background: #edf3f8; color: #0c1117; font-size: 12px; font-weight: 850; white-space: nowrap; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 38px; background: var(--line); border: 1px solid var(--line); }
.feature-grid article { min-height: 230px; padding: 34px; background: var(--bg); }
.feature-number { color: var(--cyan); font: 800 10px/1 ui-monospace, monospace; }
.feature-grid h3 { margin: 38px 0 12px; font-size: 20px; }
.feature-grid p { margin: 0; color: var(--muted); font-size: 14px; }

.support-section {
  margin: 0 clamp(24px, 6vw, 86px) 96px;
  display: grid;
  grid-template-columns: 1.4fr .6fr;
  align-items: end;
  gap: 45px;
  padding: clamp(38px, 6vw, 75px);
  border: 1px solid var(--line);
  background: radial-gradient(circle at 90% 0%, rgba(52,216,255,.1), transparent 40%), var(--panel-solid);
}
.support-section p { max-width: 760px; }
.support-actions { display: grid; gap: 18px; justify-items: stretch; }
.text-link { color: #a8b4c0; font-size: 12px; font-weight: 700; text-align: center; }
.text-link span { color: var(--cyan); }

footer {
  min-height: 112px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 25px;
  padding: 28px clamp(24px, 5vw, 78px);
  border-top: 1px solid var(--line);
  color: #697584;
  font-size: 11px;
}
.footer-brand { display: grid; gap: 2px; color: var(--text); line-height: 1; }
.footer-brand small { color: var(--lime); font-size: 8px; letter-spacing: .25em; }
footer p { margin: 0; }
footer div { justify-self: end; display: flex; gap: 22px; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 74px; }
  .hero-visual { min-height: 500px; }
  .visual-card { max-width: 480px; }
  .release-card { grid-template-columns: 1fr 1fr; }
  .release-download { grid-column: 1 / -1; text-align: center; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 180px; }
  .support-section { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 620px) {
  :root { --header-height: 70px; }
  .site-header { padding: 0 18px; }
  .brand-mark { width: 32px; }
  .header-download { padding: 9px 12px; font-size: 10px; }
  .hero { min-height: auto; padding: 58px 20px 80px; }
  h1 { font-size: clamp(49px, 16vw, 72px); }
  .hero-actions .button { width: 100%; }
  .hero-visual { min-height: 390px; }
  .visual-card { width: 92%; padding: 19px; }
  .waveform { gap: 4px; }
  .waveform i { width: 3px; }
  .usb-symbol { width: 88px; }
  .usb-cap { width: 44px; height: 21px; border-width: 5px; }
  .usb-body { height: 100px; font-size: 46px; }
  .tool-section { padding: 82px 20px; }
  .release-card { grid-template-columns: 1fr; }
  .release-status, .release-download { grid-column: auto; }
  .release-download { text-align: center; }
  .app-icon { width: 60px; height: 60px; }
  .feature-grid article { padding: 28px; }
  .support-section { margin: 0 20px 70px; padding: 34px 24px; }
  footer { grid-template-columns: 1fr; justify-items: start; }
  footer div { justify-self: start; }
}

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