.header {
  min-height: 1000px;
  background: linear-gradient(to bottom right, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8));
}

.navbar {
  transition: all 0.5s ease-in-out;
}

/* ===== NAVBAR BASE ===== */
    .navbar{
      padding-top:0.6rem;
      padding-bottom:0.6rem;
      background: rgba(0,0,0,0.75) !important;
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      transition: all .3s ease;
    }

    /* Navbar when page top (optional darker for readability) */
    .navbar.scrolled{
      background: rgba(0,0,0,0.9) !important;
    }

    /* ===== LOGO SIZE ===== */
    .navbar-brand img{
      height:90px;
      width:auto;
      transition: all .3s ease;
    }

    /* Slight shrink on scroll */
    .navbar.scrolled .navbar-brand img{
      height:70px;
    }

    /* ===== LANGUAGE BUTTONS ===== */
    .lang-btn{
      width:40px;
      height:40px;
      border-radius:50%;
      overflow:hidden;
      border:2px solid #ffffff;
      display:flex;
      align-items:center;
      justify-content:center;
      padding:0;
    }

    .lang-btn img{
      width:100%;
      height:100%;
      object-fit:cover;
      border-radius:50%;
    }

@media (max-width: 992px) {
  .navbar {
    background: var(--bs-dark);
  }
  .header {
    height: 800px !important;
    min-height: 800px !important;
  }
  .header .slide {
    width: 90%;
    margin: 0 auto;
  }
  .header text-container p {
    width: 100% !important;
    font-size: 16px;
  }
  .register {
    padding: 40px 0 !important;
  }
  .register h2 {
    text-align: center;
  }
  .summary {
    margin-top: 0 !important;
    width: 90% !important;
  }
}