:root {
  color: #eef5fb;
  background: #0b1016;
  font-family: Inter, "SF Pro Display", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 400;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 76% 6%, rgba(101, 178, 232, 0.28), transparent 31%),
    linear-gradient(180deg, #121821 0%, #0b1016 100%);
}

a {
  color: inherit;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 24px;
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  text-decoration: none;
}

.brand span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  color: #061117;
  background: linear-gradient(135deg, #8ad3ff, #7bf0c7);
  font-weight: 900;
}

.brand strong {
  font-size: 17px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

nav a {
  border-radius: 8px;
  padding: 8px 12px;
  color: #b5c8d7;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

nav a:hover {
  color: #061117;
  background: #dff4ff;
}

.lang-link {
  border: 1px solid rgba(160, 190, 215, 0.18);
}

.lang-link--active {
  color: #061117;
  background: linear-gradient(135deg, #8ad3ff, #7bf0c7);
}

main {
  display: grid;
  gap: 18px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 32px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(340px, 0.78fr);
  gap: 26px;
  align-items: center;
  min-height: 560px;
  padding: 44px;
  border: 1px solid rgba(201, 214, 228, 0.14);
  border-radius: 8px;
  background:
    radial-gradient(circle at 82% 30%, rgba(123, 240, 199, 0.16), transparent 29%),
    linear-gradient(110deg, rgba(6, 10, 14, 0.94), rgba(10, 20, 31, 0.64)),
    #121821;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.32);
}

.hero__copy {
  display: grid;
  align-content: center;
  max-width: 650px;
}

.eyebrow {
  margin: 0;
  color: #8ad3ff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  color: #f7fbff;
  font-size: clamp(46px, 7vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero p {
  max-width: 620px;
  color: #bed1df;
  font-size: 20px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 14px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  border-radius: 8px;
  padding: 0 18px;
  color: #071017;
  background: linear-gradient(135deg, #8ad3ff, #7bf0c7);
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 12px 30px rgba(72, 176, 212, 0.24);
}

.button--ghost {
  border: 1px solid rgba(160, 190, 215, 0.22);
  color: #e5f0f8;
  background: rgba(115, 155, 190, 0.14);
  box-shadow: none;
}

.hero__visual {
  display: grid;
  gap: 18px;
  align-content: center;
}

.product-mark {
  display: grid;
  justify-self: center;
  width: min(100%, 330px);
  min-height: 180px;
  place-items: center;
  gap: 12px;
  border: 1px solid rgba(138, 211, 255, 0.18);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 24%, rgba(123, 240, 199, 0.22), transparent 34%),
    rgba(5, 8, 12, 0.38);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.28);
}

.product-mark span {
  display: grid;
  width: 78px;
  height: 78px;
  place-items: center;
  border-radius: 8px;
  color: #061117;
  background: linear-gradient(135deg, #8ad3ff, #7bf0c7);
  font-size: 30px;
  font-weight: 900;
}

.product-mark strong {
  color: #f7fbff;
  font-size: 28px;
  line-height: 1;
}

.console-card,
.features article,
.workflow,
.contact {
  border: 1px solid rgba(203, 216, 230, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.console-card {
  padding: 18px;
  background: rgba(5, 8, 12, 0.72);
  box-shadow: 0 22px 56px rgba(0, 0, 0, 0.3);
}

.console-card__head {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
}

.console-card__head span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #7bf0c7;
}

.console-card__head span:nth-child(2) {
  background: #8ad3ff;
}

.console-card__head span:nth-child(3) {
  background: #ffbd63;
}

.console-card__head strong {
  margin-left: auto;
  color: #8fa5b8;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.signal {
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: 8px;
  background: rgba(123, 240, 199, 0.1);
}

.signal span,
.signal em,
.console-grid span {
  color: #9db2c3;
  font-size: 13px;
  font-style: normal;
}

.signal strong {
  color: #f7fbff;
  font-size: 28px;
}

.meter {
  height: 12px;
  margin: 18px 0;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.meter span {
  display: block;
  width: 74%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #7bf0c7, #8ad3ff);
}

.console-grid,
.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.console-grid div {
  display: grid;
  gap: 5px;
  min-width: 0;
  padding: 12px;
  border: 1px solid rgba(203, 216, 230, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.console-grid strong {
  overflow: hidden;
  color: #eaf6ff;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.features article {
  padding: 20px;
}

.features h2,
.workflow h2,
.contact h2 {
  margin-bottom: 10px;
  color: #f7fbff;
  line-height: 1.1;
}

.features p,
.workflow p,
.contact p {
  margin-bottom: 0;
  color: #b6c7d5;
}

.workflow {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.72fr);
  gap: 24px;
  align-items: start;
  padding: 28px;
}

.workflow ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: workflow;
}

.workflow li {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: 8px;
  color: #dcebf6;
  background: rgba(4, 7, 11, 0.42);
  counter-increment: workflow;
}

.workflow li::before {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  color: #071017;
  background: #7bf0c7;
  content: counter(workflow);
  font-weight: 900;
}

.contact {
  padding: 28px;
}

@media (max-width: 760px) {
  .topbar,
  nav {
    justify-content: flex-start;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  main {
    padding-inline: 14px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 24px;
  }

  h1 {
    font-size: 46px;
  }

  .hero p {
    font-size: 17px;
  }

  .product-mark {
    width: min(100%, 240px);
    min-height: 150px;
  }

  .console-grid,
  .features,
  .workflow {
    grid-template-columns: 1fr;
  }
}
