* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: #0B0B0B;
  color: #F5F5F5;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}
.card {
  max-width: 340px;
  width: 100%;
}
.mark {
  height: 56px;
  width: auto;
  margin-bottom: 14px;
}
.brand {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  margin-bottom: 28px;
}
h1 {
  font-size: 23px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.3px;
  color: #fff;
  margin-bottom: 12px;
}
.tagline {
  font-size: 15px;
  line-height: 1.5;
  color: rgba(255,255,255,0.45);
  margin-bottom: 36px;
}
.store-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.store-badge {
  height: 44px;
  width: auto;
  transition: opacity 0.15s;
}
a:active .store-badge { opacity: 0.75; }
.btn-secondary {
  display: block;
  width: 100%;
  padding: 14px;
  border-radius: 32px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  color: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.12);
  transition: opacity 0.15s;
}
.btn-secondary:active { opacity: 0.75; }