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

html,
body {
  width: 100%;
  color: #5d5d5d;
}

h1,
h2 {
  color: #373737;
}

/* -------------------
-------------------
Host Banner
-------------------
------------------- */

.top-banner {
  width: 100%;
  text-align: center; /* Center the image */
  padding: 10px 0; /*Add some spacing */
  border-bottom: 1px solid #ddd; /* Thin separator line */
}

.top-banner img {
  max-width: 100%;
  height: 50px; /* Maintain aspect ratio */
}

/* -------------------
-------------------
Navbar
-------------------
------------------- */

#header {
  position: -webkit-sticky; /* For Safari */
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 12, 34, 0.98);
  padding: 15px 0;
  transition: all 0.5s;
}
  
  /* Container inside header */
  .container {
    width: 90%;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
  }
  
  /* Logo styling */
  #logo img {
    max-height: 40px;
  }
  
  /* Nav Menu Container */
  #nav-menu-container {
    float: right;
  }
  
  /* Nav Menu Essentials */
  .nav-menu,
  .nav-menu * {
    margin: 0;
    padding: 0;
    list-style: none;
  }
  
  .nav-menu {
    display: flex;
    align-items: center;
  }
  
  .nav-menu li {
    position: relative;
    margin-left: 15px;
  }
  
  .nav-menu li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 8px 12px;
    font-weight: 600;
    font-size: 14px;
    transition: color 0.3s;
  }
  
  /* Dropdown Menu */
  .nav-menu li.menu-has-children > ul.dropdown {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    background: #fff;
    box-shadow: 0px 0px 30px rgba(127, 137, 161, 0.25);
    border-radius: 3px;
    padding: 10px 0;
    z-index: 99;
  }
  
  .nav-menu li.menu-has-children:hover > ul.dropdown {
    display: block;
  }
  
  .nav-menu li.menu-has-children ul.dropdown li {
    min-width: 180px;
    margin: 0;
  }
  
  .nav-menu li.menu-has-children ul.dropdown li a {
    padding: 10px;
    color: #060c22;
    font-size: 13px;
    display: block;
    transition: background 0.3s, color 0.3s;
  }
  
  .nav-menu li.menu-has-children ul.dropdown li a:hover {
    background: #9B5DE5;
    color: #000;
  }
  
  /* Optional: Add transitions or effects on scroll
     (For example, you might add a "header-scrolled" class via JavaScript to change height or background) */
  #header.header-scrolled {
    background: rgba(6, 12, 34, 0.98);
    padding: 10px 0;
  }
  

  .nav-menu li.Registration a {
    color: #000000;
    background: #00BBF9;
    padding: 7px 22px;
    border-radius: 50px;
    border: 2px solid #00BBF9;
    transition: all ease-in-out 0.3s;
    font-weight: 700;
    margin-left: 8px;
    margin-top: 2px;
    line-height: 1;
    font-size: 13px;
  }

  .nav-menu li.Abstract a {
    color: #000000;
    background: #FEE440;
    padding: 7px 22px;
    border-radius: 50px;
    border: 2px solid #FEE440;
    transition: all ease-in-out 0.3s;
    font-weight: 700;
    margin-left: 8px;
    margin-top: 2px;
    line-height: 1;
    font-size: 13px;
}

.selected{
  color: #FEE440;
}

/* -------------------
-------------------
Banner Image
-------------------
------------------- */

.banner {
  height: 400px;
  width: 100%;
  background-image: url("../img/Registration_Login/banner.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

/* -------------------
-------------------
Heading
-------------------
------------------- */

.heading {
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

.heading h1 {
  margin-top: 1.5%;
  font-size: 3rem;
  text-transform: uppercase;
  color: #373737;
  font-family: "Montserrat Alternates";
}

.heading .register {
  color: #070e23;
}

.heading a {
  color: #0e4f99;
}

/* -------------------
-------------------
Form
-------------------
------------------- */

form {
  display: flex;
  justify-content: center;
  flex-direction: column;
  margin: 0 auto;
  width: 22vw;
}

.email {
  display: flex;
  flex-direction: column;
  margin-top: 10px;
}

.email input,
.password input {
  width: 100%;
  border: none;
  background: #fafafa;
  height: 3rem;
}

.password {
  display: flex;
  flex-direction: column;
  margin-top: 10px;
}

form a {
  font-size: 0.9rem;
  margin-top: 10px;
  text-decoration: none;
  color: #0e4f99;
}

button {
  width: 5rem;
  margin-top: 10px;
  padding: 4px 10px;
  border: #00BBF9;
  background-color: #00BBF9;
  /* background: linear-gradient(to right, #c9eeff, #f5c7f7); */
  border-radius: 15px;
}

/* -------------------
-------------------
Footer
-------------------
------------------- */

footer {
  height: 8vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  background-color: #070e23;
  color: #ffffff;
  margin-top: 20px;
}

footer div {
  margin-top: 1.5em;
}