* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(67, 230, 165, .24), transparent 28rem),
    radial-gradient(circle at 90% 15%, rgba(67, 230, 165, .12), transparent 24rem),
    #05070b;
  color: white;
}

a {
  color: inherit;
}

.topbar {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 950;
  font-size: 20px;
}

.logo {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: #43e6a5;
  color: #05070b;
  font-weight: 950;
}

.topbar a {
  text-decoration: none;
  color: #43e6a5;
  font-weight: 800;
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 76vh;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 34px;
  align-items: center;
  padding: 42px 0 72px;
}

.eyebrow {
  color: #43e6a5;
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .18em;
  margin: 0 0 12px;
}

h1, h2, p {
  margin: 0;
}

h1 {
  font-size: clamp(42px, 7vw, 76px);
  line-height: .95;
  letter-spacing: -.06em;
  max-width: 720px;
}

h2 {
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1;
  letter-spacing: -.04em;
  margin-bottom: 16px;
}

.lead,
.section p,
.download-panel p {
  color: #cbd5dd;
  font-size: 18px;
  line-height: 1.58;
}

.lead {
  margin-top: 22px;
  max-width: 650px;
}

.actions,
.downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .07);
  color: white;
  text-decoration: none;
  font-weight: 900;
}

.button.primary {
  background: #43e6a5;
  color: #05070b;
}

.device-card,
.download-panel,
.section {
  border: 1px solid rgba(67, 230, 165, .22);
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(12, 17, 25, .96), rgba(8, 12, 17, .84));
  box-shadow: 0 24px 70px rgba(0, 0, 0, .36);
}

.device-card {
  padding: 22px;
}

.screen {
  aspect-ratio: 16 / 10;
  border-radius: 26px;
  background: #071015;
  padding: 18px 18px 18px 66px;
  position: relative;
  overflow: hidden;
}

.rail {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 48px;
  background: #0c1119;
  border-right: 1px solid rgba(255,255,255,.08);
}

.rail::before {
  content: "U";
  position: absolute;
  top: 18px;
  left: 8px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: #43e6a5;
  color: #05070b;
  font-weight: 950;
}

.banner {
  height: 54%;
  border-radius: 22px;
  background:
    linear-gradient(90deg, rgba(5,7,11,.96), rgba(5,7,11,.35)),
    linear-gradient(135deg, #28614f, #111923);
}

.row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.row span {
  height: 82px;
  border-radius: 18px;
  background: linear-gradient(135deg, #163a32, #101722);
}

.section,
.download-panel {
  padding: clamp(24px, 5vw, 42px);
  margin-bottom: 24px;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.features article,
.notice {
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 22px;
  background: rgba(255,255,255,.05);
  padding: 22px;
}

.features b {
  font-size: 20px;
}

.features p {
  font-size: 15px;
  margin-top: 10px;
}

.split {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 24px;
  align-items: center;
}

.notice {
  color: #d8e2e9;
  line-height: 1.55;
}

.download-panel {
  margin-bottom: 50px;
}

.download-panel strong {
  color: #43e6a5;
}

@media (max-width: 820px) {
  .hero,
  .split,
  .features {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 20px;
  }

  .actions,
  .downloads {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}