* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Roboto', sans-serif;
    }

body { line-height: 1.6; }

header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 2rem;
      background: #fff;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      position: sticky;
      top: 0;
      z-index: 1000;
    } 
 header img {
      height: 30px;
    }
.logo span{ color: #ed2f59; }

nav a {
      margin-left: 1.5rem;
      text-decoration: none;
      color: #000;
      font-weight: 500;
    }

footer {
      background: #000;
      color: #fff;
      text-align: center;
      padding: 1rem;
    }

footer a{
        margin: 0.5rem;
        font-size: 25px;
        color: white;
        border: 2px solid #fff;
        border-radius: 50%;
        width: 42px;
        height: 42px;
        line-height: 42px;
        display: inline-block;
        text-align: center;
        margin: 0 10px;
        transition: 0.3s ease;
    }
    
footer a:hover {
    transform: scale(1.02) translateY(-10px);
    background-color:#fff;
    color: #000;
    box-shadow: 0 0 25px #fff;
}