/* Styles spécifiques à photo-presentation */
body{
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, #111, #1c1c1c);
}

main{ 
  flex: 1; 
}

.container{ 
  max-width: 1100px; 
}

.brand{
  letter-spacing: 1px;
}

.actions{
  align-items: center;
}

.card{
  margin: 22px auto 30px;
  padding: 26px;
}

h1{
  margin: 0 0 14px;
  letter-spacing: .2px;
}

.muted{
  margin-top: 18px;
  color: rgba(255,255,255,.85);
}

/* Responsive - Mobile First */
/* Tablette (768px et plus) */
@media (min-width: 768px){
  .container{ 
    max-width: 1100px; 
  }
  
  .card{
    padding: 32px;
  }
  
  h1{
    font-size: 36px;
  }
}

/* Desktop (1024px et plus) */
@media (min-width: 1024px){
  .card{
    padding: 36px;
  }
  
  h1{
    font-size: 40px;
  }
}

/* Mobile spécifique (moins de 480px) */
@media (max-width: 480px){
  .card{
    padding: 20px;
  }
  
  h1{
    font-size: 26px;
  }
}