.hero {
      background: url('https://travilifa.vercel.app/assets/Background-CrhoXMm2.png') no-repeat center center/cover;
      height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: #fff;
      position: relative;
    }
.hero::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.3); 
      z-index: 1;
    }

.hero-content {
      position: relative;
      z-index: 2;
    }

.search-box {
      max-width: 700px;
      margin: 20px auto 0;
      border-radius: 50px;
      overflow: hidden;
    }
.navbar {
      transition: background-color 0.3s ease;
    }
.navbar.fixed-top {
      background-color: transparent !important;
    }