:root {
    --primary: #5472d2;
    --light: #F0FBFC;
    --dark: #414183;
    --bg-color: #fffbf6;
    --bg-color-warning: #ff9900;
}

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

a {
    color: var(--primary);
}

a:hover {
    color: var(--dark);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto',Arial, sans-serif;
}

/* top section */
#top-section {
    background-color: var(--primary);
}

#top-section p {
    margin: 0;
    color: #fff;
}

#top-section .social-icons a i {
    font-size: 1.2rem;
}




/*** Spinner ***/
#spinner {
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s ease-out, visibility 0s linear .5s;
    z-index: 99999;
}

#spinner.show {
    transition: opacity .5s ease-out, visibility 0s linear 0s;
    visibility: visible;
    opacity: 1;
}








/*** Button ***/
.btn {
    font-family: 'Nunito', sans-serif;
    font-weight: 600;
    transition: .5s;
}

.btn.btn-primary,
.btn.btn-secondary {
    color: #FFFFFF;
}

.btn-square {
    width: 38px;
    height: 38px;
}

.btn-sm-square {
    width: 100%;
    height: 2rem;
    transition: .5s;
    background-color: var(--primary);
    color: var(--bg-color);
}

.btn-lg-square {
    width: 48px;
    height: 48px;
}

.btn-square,
.btn-sm-square,
.btn-lg-square {
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: normal;
    border-radius: 0px;
}


/* CSS */
.button-21 {
  appearance: button;
  background-color: var(--primary);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, .15), rgba(255, 255, 255, 0));
  border: 1px solid var(--primary);
  border-radius: 0.5rem;
  box-shadow: rgba(255, 255, 255, 0.15) 0 1px 0 inset,rgba(46, 54, 80, 0.075) 0 1px 1px;
  box-sizing: border-box;
  color: #FFFFFF;
  cursor: pointer;
  display: inline-block;
  font-family: 'Roboto',Arial, sans-serif;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  margin: 0;
  padding: .5rem 1rem;
  text-align: center;
  text-transform: none;
  transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  vertical-align: middle;
}

.button-21:focus:not(:focus-visible),
.button-21:focus {
  outline: 0;
}

.button-21:hover {
  background-color: var(--bg-color-warning);
  border-color: var(--bg-color-warning);
  color: var(--dark);
}

.button-21:focus {
  background-color: #413FC5;
  border-color: #3E3BBA;
  box-shadow: rgba(255, 255, 255, 0.15) 0 1px 0 inset, rgba(46, 54, 80, 0.075) 0 1px 1px, rgba(104, 101, 235, 0.5) 0 0 0 .2rem;
}

.button-21:active {
  background-color: #3E3BBA;
  background-image: none;
  border-color: #3A38AE;
  box-shadow: rgba(46, 54, 80, 0.125) 0 3px 5px inset;
}

.button-21:active:focus {
  box-shadow: rgba(46, 54, 80, 0.125) 0 3px 5px inset, rgba(104, 101, 235, 0.5) 0 0 0 .2rem;
}

.button-21:disabled {
  background-image: none;
  box-shadow: none;
  opacity: .65;
  pointer-events: none;
}

/* button-20 */
.button-20 {
  appearance: button;
  background-color: var(--bg-color-warning);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, .15), rgba(255, 255, 255, 0));
  border: 1px solid var(--bg-color-warning);
  border-radius: 0.5rem;
  box-shadow: rgba(255, 255, 255, 0.15) 0 1px 0 inset,rgba(46, 54, 80, 0.075) 0 1px 1px;
  box-sizing: border-box;
  color: var(--light);
  cursor: pointer;
  display: inline-block;
  font-family: 'Roboto',Arial, sans-serif;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  margin: 0;
  padding: .5rem 1rem;
  text-align: center;
  text-transform: none;
  transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  vertical-align: middle;
}

.button-20:focus:not(:focus-visible),
.button-20:focus {
  outline: 0;
}

.button-20:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--light);
}

.button-20:focus {
  background-color: #413FC5;
  border-color: #3E3BBA;
  box-shadow: rgba(255, 255, 255, 0.15) 0 1px 0 inset, rgba(46, 54, 80, 0.075) 0 1px 1px, rgba(104, 101, 235, 0.5) 0 0 0 .2rem;
}

.button-20:active {
  background-color: #3E3BBA;
  background-image: none;
  border-color: #3A38AE;
  box-shadow: rgba(46, 54, 80, 0.125) 0 3px 5px inset;
}

.button-20:active:focus {
  box-shadow: rgba(46, 54, 80, 0.125) 0 3px 5px inset, rgba(104, 101, 235, 0.5) 0 0 0 .2rem;
}

.button-20:disabled {
  background-image: none;
  box-shadow: none;
  opacity: .65;
  pointer-events: none;
}
























/* menu section  */

div.sticky {
    position: sticky;
    top: 0;
    z-index: 999;
    background-color: #ffffff;
box-shadow: 0 2px var(--primary);
}

.menu-area {
    position: static;
}

.mega-area {
    position: absolute;
    width: 100%;
    left: 0;
    right: 0;
    padding: 15px;
}


.dropdown-item {
    padding: 5px 0;
}

.navbar{
    
    background: var(--light);
}

.navbar-nav .nav-item .nav-link {
    color: #020f31;
}

.navbar-nav .nav-item .nav-link:hover {
    color: #01f2ff;
}

.fw-medium {
    font-weight: 600 !important;
}

.fw-semi-bold {
    font-weight: 700 !important;
}


.icon {
    color: rgb(6, 187, 204);
}



/*** Navbar ***/
.navbar .dropdown-toggle::after {
    border: none;
    content: "\f107";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    vertical-align: middle;
    margin-left: 8px;
}

.navbar-light .navbar-nav .nav-link {
    color: #020f31; /* dark blue-ish */
    padding: 25px 15px;
    font-size: 15px;
    text-transform: uppercase;
    font-weight: 600;
    transition: color 0.3s;
}
.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link.active {
    color: var(--bg-color-warning); /* bright cyan on hover */
}

.navbar .dropdown-menu {
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    border-radius: 0;
    padding: 1.5rem 0;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform-origin: top center;
    transform: rotateX(-75deg);
    transition: opacity 0.5s ease, transform 0.5s ease, visibility 0.5s;
}

.dropdown-menu a.dropdown-item:focus,
.dropdown-menu a.dropdown-item:active,
.dropdown-menu a.dropdown-item:visited {
    color: inherit !important;
    background-color: transparent !important;
    text-decoration: none !important;
}


.navbar .nav-item:hover > .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: rotateX(0deg);
}

.mega-area {
    position: static !important;
    width: 100%;
    padding: 1rem 0;
}


@media (max-width: 991.98px) {
    .navbar-light .navbar-nav .nav-link {
        margin-right: 0;
        padding: 10px 0;
    }

    .navbar-light .navbar-nav {
        border-top: 1px solid #EEEEEE;
    }
}

.navbar-light .navbar-brand,
.navbar-light a.btn {
    height: 75px;
}

.navbar-light .navbar-nav .nav-link {
    color: var(--dark);
    font-weight: 500;
}

.navbar-light.sticky-top {
    top: -100px;
    transition: .5s;
}

@media (min-width: 992px) {
    .navbar .nav-item .dropdown-menu {
        display: block;
        margin-top: 0;
        opacity: 0;
        visibility: hidden;
        transition: .5s;
    }

    .navbar .dropdown-menu.fade-down {
        top: 100%;
        transform: rotateX(-75deg);
        transform-origin: 0% 0%;
    }

    .navbar .nav-item:hover .dropdown-menu {
        top: 100%;
        transform: rotateX(0deg);
        visibility: visible;
        transition: .5s;
        opacity: 1;
    }
}
















/* price section  */
#course-price {
    z-index: 1020; /* higher than default content */
}

#course-price {
    position: sticky;
    top: 0;
    z-index: 1020;
    background-color: white;
}

#course-price a {
    background-color: var(--primary);
    color: var(--light);
    border-radius: 5px;
}

#course-price a:hover {
    background-color: var(--bg-color-warning);
    color: var(--light);
}










/* software project section  */
#project-section {
  background: var(--bg-color);
}

.image-card {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    cursor: pointer;
    box-shadow: inset 0 0 10px rgba(2, 15, 49, 0.5), 
              /* Outer shadow for card lift */
              0 8px 20px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .image-card img {
    width: 100%;
    height: auto;
    transition: transform 0.5s ease;
  }

  .image-card:hover img {
    transform: scale(1.1);
  }

  .overlay {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    color: white;
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    text-align: center;
  }

    .overlay h5 {
      color: #EEEEEE;
    }

  .image-card:hover .overlay {
    opacity: 1;
  }






#about-software-section img{
    border-radius: 15px;
}











/*** Footer ***/
.footer .btn.btn-social {
    margin-right: 5px;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    font-weight: normal;
    border: 1px solid #FFFFFF;
    border-radius: 35px;
    transition: .3s;
}

.footer .btn.btn-social:hover {
    color: var(--primary);
}

.footer .btn.btn-link {
    display: block;
    margin-bottom: 5px;
    padding: 0;
    text-align: left;
    color: #FFFFFF;
    font-size: 15px;
    font-weight: normal;
    text-transform: capitalize;
    transition: .3s;
}

.footer .btn.btn-link::before {
    position: relative;
    content: "\f105";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    margin-right: 10px;
}

.footer .btn.btn-link:hover {
    letter-spacing: 1px;
    box-shadow: none;
}

.footer .copyright {
    padding: 25px 0;
    font-size: 15px;
    border-top: 1px solid rgba(256, 256, 256, .1);
}

.footer .copyright a {
    color: var(--light);
}

.footer .footer-menu a {
    margin-right: 15px;
    padding-right: 15px;
    border-right: 1px solid rgba(255, 255, 255, .1);
}

.footer .footer-menu a:last-child {
    margin-right: 0;
    padding-right: 0;
    border-right: none;
}

.footer img {
  width: 150px;
  height: 150px;
}



.back-to-top {
    position: fixed;
    display: none;
    right: 45px;
    bottom: 45px;
    z-index: 99;
}

.btn-color {
  background-color: var(--primary);
  color: var(--light);
}