:root {
  --gate-bg: #0b1020;
  --gate-panel: rgba(19, 27, 49, 0.88);
  --gate-border: rgba(255, 255, 255, 0.11);
  --gate-text: #f8fafc;
  --gate-muted: #a9b3c9;
  --gate-accent: #6c7cff;
  --gate-accent-hover: #7d8aff;
}

[hidden] {
  display: none !important;
}

.browser-gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px 18px;
  color: var(--gate-text);
  background:
    radial-gradient(circle at 18% 10%, rgba(108, 124, 255, 0.26), transparent 32%),
    radial-gradient(circle at 82% 90%, rgba(139, 92, 246, 0.20), transparent 34%),
    var(--gate-bg);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.browser-gate__card {
  width: min(100%, 520px);
  padding: 34px;
  text-align: center;
  border: 1px solid var(--gate-border);
  border-radius: 28px;
  background: var(--gate-panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(18px);
}

.browser-gate__brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  color: #cbd3ff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.browser-gate__brand-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, #7180ff, #8b5cf6);
  color: #fff;
  font-size: 16px;
  letter-spacing: 0;
}

.browser-gate h1 {
  margin: 0;
  font-size: clamp(30px, 7vw, 46px);
  line-height: 1.08;
}

.browser-gate__lead {
  max-width: 420px;
  margin: 16px auto 24px;
  color: var(--gate-muted);
  font-size: 17px;
  line-height: 1.55;
}

.browser-gate__qr-wrap {
  width: 222px;
  margin: 0 auto 22px;
  padding: 14px;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 14px 46px rgba(0, 0, 0, 0.26);
}

.browser-gate__qr {
  display: block;
  width: 100%;
  height: auto;
}

.browser-gate__button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px;
  border-radius: 15px;
  background: var(--gate-accent);
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  transition: background 0.18s ease, transform 0.18s ease;
}

.browser-gate__button:hover {
  background: var(--gate-accent-hover);
  transform: translateY(-1px);
}

.browser-gate__button:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.72);
  outline-offset: 3px;
}

.browser-gate__hint {
  margin: 18px 0 0;
  color: #7f8aa3;
  font-size: 13px;
  line-height: 1.45;
}

.browser-gate__features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
  margin-top: 26px;
}

.browser-gate__feature {
  padding: 12px 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.045);
  color: #cbd5e1;
  font-size: 13px;
}

@media (max-width: 520px) {
  .browser-gate {
    padding: 16px;
  }

  .browser-gate__card {
    padding: 26px 18px;
    border-radius: 24px;
  }

  .browser-gate__qr-wrap {
    width: 196px;
  }

  .browser-gate__features {
    grid-template-columns: 1fr;
  }
}