:root {
  --bg: #06131f;
  --bg-2: #091c2c;
  --panel: rgba(11, 31, 48, 0.84);
  --panel-strong: rgba(13, 41, 63, 0.94);
  --line: rgba(137, 205, 239, 0.22);
  --text: #eef8ff;
  --muted: #a8c3d6;
  --brand: #6ef3ff;
  --brand-2: #69ffc4;
  --gold: #f6d984;
  --danger: #ff8c9d;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(110, 243, 255, 0.12), transparent 30%),
    radial-gradient(circle at 78% 12%, rgba(105, 255, 196, 0.1), transparent 26%),
    linear-gradient(180deg, var(--bg), #03101b 62%, #02070d);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(137, 205, 239, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(137, 205, 239, 0.18) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(4, 15, 25, 0.82);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: block;
  border-radius: 50%;
  border: 1px solid rgba(110, 243, 255, 0.5);
  background: linear-gradient(135deg, rgba(110, 243, 255, 0.2), rgba(105, 255, 196, 0.08));
  box-shadow: inset 0 0 28px rgba(110, 243, 255, 0.14);
  object-fit: contain;
  padding: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a,
.lang-switch a {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border: 1px solid transparent;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.nav-links a:hover,
.lang-switch a:hover,
.nav-links a[aria-current="page"],
.lang-switch a[aria-current="page"] {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line);
}

.section {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 78px 0;
}

.hero {
  min-height: calc(100svh - 72px);
  display: grid;
  align-items: center;
  padding: 56px 0 44px;
}

.hero-grid {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  gap: 46px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-2);
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.06;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(42px, 7vw, 86px);
}

h2 {
  font-size: clamp(30px, 4vw, 54px);
}

h3 {
  font-size: 22px;
}

.lead {
  margin: 22px 0 0;
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.55;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border: 1px solid rgba(110, 243, 255, 0.48);
  color: var(--text);
  background: rgba(110, 243, 255, 0.09);
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  color: #00131a;
  border-color: transparent;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}

.button.secondary {
  color: var(--brand);
}

.hero-media {
  position: relative;
  min-height: 520px;
}

.feature-frame {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.feature-frame img {
  width: 100%;
  aspect-ratio: 1024 / 500;
  object-fit: cover;
}

.phone-stack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.phone-shot {
  border: 1px solid var(--line);
  background: rgba(5, 19, 31, 0.72);
  overflow: hidden;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.22);
}

.phone-shot img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 28px;
}

.section-head p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 22px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
}

.card p,
.doc-card p,
.timeline p {
  color: var(--muted);
  line-height: 1.6;
}

.card p:last-child,
.timeline p:last-child {
  margin-bottom: 0;
}

.game-card {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.game-icon {
  width: 92px;
  height: 92px;
  border: 1px solid var(--line);
  object-fit: cover;
}

.screens {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.doc-layout {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 80px;
}

.doc-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  color: #102033;
  padding: 28px;
}

.doc-card h1,
.doc-card h2,
.doc-card h3 {
  color: #0c2437;
}

.doc-card a {
  color: #0b6088;
}

.doc-card table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 24px;
}

.doc-card th,
.doc-card td {
  border: 1px solid #d8e1ec;
  padding: 10px 12px;
  vertical-align: top;
  text-align: left;
}

.doc-card th {
  background: #eef4fb;
}

.doc-card code {
  padding: 2px 5px;
  background: #eef2f7;
}

.split-doc {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-item {
  border-left: 2px solid var(--brand);
  background: var(--panel);
  padding: 18px 22px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 34px 0;
  background: rgba(2, 7, 13, 0.72);
}

.footer-inner {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  flex-wrap: wrap;
}

.footer-inner a {
  color: var(--text);
  text-decoration: none;
}

@media (max-width: 920px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-media {
    min-height: auto;
  }

  .grid,
  .grid.two,
  .screens,
  .split-doc {
    grid-template-columns: 1fr;
  }

  .screens {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 560px) {
  .section {
    padding: 54px 0;
  }

  .phone-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .screens {
    grid-template-columns: 1fr;
  }

  .game-card {
    grid-template-columns: 1fr;
  }
}