:root {
  --accent: #b9ff66;
  --text: #111;
  --muted: #666;
  --line: #e9e9e9;
  --card: #fafafa;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(185,255,102,0.24), transparent 24%),
    linear-gradient(180deg, #fff 0%, #fbfbfb 100%);
  color: var(--text);
}

#navbar { position: sticky; top: 0; }

#navbar .nav-container { flex-wrap: wrap; row-gap: 16px; }

.lang-switch {
  position: static;
  order: 3;
  flex: 0 0 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
  max-width: none;
}

.lang-switch button {
  background: #fff;
  border: 1px solid #111;
  color: #111;
  font-size: 11px;
  padding: 5px 9px;
  border-radius: 20px;
  cursor: pointer;
}

.lang-switch button:hover,
.lang-switch button.active {
  background: #111;
  color: #fff;
}

.page-shell { padding: 40px 20px 60px; }
.container { max-width: 1120px; margin: 0 auto; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 26px;
}

.hero-copy,
.model-card,
.apk-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 22px 48px rgba(0,0,0,0.06);
}

.hero-copy {
  padding: 38px;
  background: rgba(255,255,255,0.94);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.8px;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1;
  letter-spacing: -2px;
}

.lead,
.model-note,
.apk-card p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.brand-logo {
  display: block;
  width: min(210px, 70%);
  max-height: 105px;
  object-fit: contain;
  object-position: left center;
  margin-top: 24px;
}

.model-card {
  padding: 32px;
  background: #111;
  color: #fff;
}

.model-card h2,
.apk-card h2 { margin: 0 0 12px; font-size: 30px; }
.model-card p { color: rgba(255,255,255,0.72); line-height: 1.65; }

.model-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.model-list li {
  padding: 10px 13px;
  border-radius: 999px;
  background: rgba(185,255,102,0.14);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

.apk-card {
  margin-top: 28px;
  padding: 32px;
  background: var(--card);
}

.apk-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  background: #111;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.apk-button.disabled {
  opacity: 0.48;
  cursor: not-allowed;
  pointer-events: none;
}

.model-note {
  margin: 18px 0 0;
  font-size: 14px;
}

.back-link {
  display: inline-flex;
  margin-top: 28px;
  padding: 13px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #111;
  text-decoration: none;
  font-weight: 700;
}

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .lang-switch { justify-content: center; }
  #navbar .nav-links {
    position: static;
    order: 4;
    flex: 0 0 100%;
    height: auto;
    padding: 20px 0;
    gap: 20px;
  }
  .lang-switch button { font-size: 10px; padding: 4px 8px; }
  .page-shell { padding-top: 28px; }
  .hero-copy, .model-card, .apk-card { padding: 24px; }
  .lead { font-size: 16px; }
}