* {
  box-sizing: border-box;
}
body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu,
    Cantarell, sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
  min-height: 100vh;
  color: #2d3748;
}
.logo-sbe {
  max-width: 180px;
  height: auto;
  margin: 0 auto 20px;
  display: block;
  filter: brightness(0) saturate(100%);
}
.card {
  background: rgba(255, 255, 255, 0.95);
  padding: 25px 30px;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.3);
}
.gradient-title {
  background: linear-gradient(135deg, #ffd700, #ff8c00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 10px;
  font-size: 2.2rem;
  font-weight: 700;
}
.btn-gold {
  display: inline-block;
  background: linear-gradient(135deg, #ffd700, #ff8c00);
  color: #2c2c2c;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 215, 0, 0.35);
}
.btn-outline {
  background: rgba(255, 255, 255, 0.9);
  color: #2c2c2c;
  border: 1px solid rgba(255, 215, 0, 0.3);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.container-narrow {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}