* {
    margin: 0;
    padding: 0;
    font-family: "Poppins", sans-serif;
    font-weight: 900;
    font-style: normal;
}

.header {
    min-height: 100vh;
    width: 100%;
    background-image: linear-gradient(rgba(4, 9, 30, 0.7), rgba(4, 9, 30, 0.7)), url(images/banner1.png);
    background-position: center;
    background-size: cover;
    position: relative;
}


/* General nav styling */

nav {
    display: flex;
    padding: 2% 6%;
    justify-content: space-between;
    align-items: center;
}

nav img {
    width: 100px;
    height: 100px;
}


/* Styling for nav links */

.nav-link {
    flex: 1;
    text-align: right;
    color: #ffffff;
    text-decoration: none;
    font-size: 13px;
}


/* Ensure nav items are displayed correctly */

.nav-item {
    list-style: none;
    display: inline-block;
    padding: 8px 12px;
    position: relative;
}


/* Hover effect for nav items */

.nav-item::after {
    content: '';
    width: 0%;
    height: 3px;
    background: #057b2c;
    display: block;
    margin: auto;
    transition: 0.5s;
}

.nav-item:hover::after {
    width: 100%;
}


/* Show dropdown menu when hovering over the parent .dropdown */

.nav-item.dropdown:hover .dropdown-menu {
    display: block;
    /* Show dropdown on hover */
}


/* Dropdown Items Styling */

.dropdown-item {
    display: block;
    padding: 5px 15px;
    text-decoration: none;
    color: #333;
}


/* Hover effect for dropdown items */

.dropdown-item:hover {
    background-color: #1abe59;
}


/* Additional styles */

.text-box {
    width: 90%;
    color: #0b0b0b;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.text-box h1 {
    font-size: 42px;
    font-family: 'Times New Roman', Times, serif;
}

.text-box p {
    margin: 10px 0 40px;
    font-size: 15px;
    font-family: "Sedan", serif;
    font-style: normal;
    color: #ffffff;
}


/* Button styling */

.btn {
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    padding: 10px 15px;
    cursor: pointer;
}


/* Hero button styling */

.hero-btn {
    display: inline-block;
    text-decoration: none;
    color: #fff;
    border: 1px solid #fff;
    padding: 12px 34px;
    font-size: 13px;
    background: transparent;
    position: relative;
    cursor: pointer;
}


/* Hover effect for the hero button */

.hero-btn:hover {
    border: 2px solid #0e0f0e;
    background: white
}


/* search btn */

.container {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: max-content;
}

.search-bar {
    width: 150%;
    max-width: 500px;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    border-radius: 50px;
    padding: 10px 20px;
    backdrop-filter: blur(4px) saturate (180%);
}

.search-bar input {
    background: transparent;
    flex: 1;
    border: 0;
    outline: none;
    padding: 24px 20px;
    padding-top: 10px;
    font-size: 14px;
    color: #030212;
    font-family: 'Times New Roman', Times, serif;
}

.navbarDropdown {
    background: transparent;
    flex: 1;
    border: 0;
    outline: none;
    padding: 24px 20px;
    padding-top: 10px;
    font-size: 14px;
    color: #030212;
    font-family: 'Times New Roman', Times, serif;
}

::placeholder {
    color: #030218;
}

.search-bar button img {
    width: 20px;
}


/* hidden icon */

nav .fa {
    display: none;
}

.search-bar-select {
    margin-right: 20px;
    padding: 10px;
    /* Padding inside select */
    border: 1px solid #ddd;
    /* Light border */
    border-radius: 4px;
    /* Rounded corners */
    width: calc(100% - 20px);
    /* Adjust width */
    display: none;
    /* Hidden by default */
}


/* Search Input */

.search-bar-input {
    padding: 10px;
    /* Padding inside input */
    border: 1px solid #ddd;
    /* Light border */
    border-radius: 4px;
    /* Rounded corners */
    flex-grow: 1;
    /* Allow input to grow */
    min-width: 150px;
    /* Minimum width */
}


/* Submit Button */

button[type="submit"] {
    background: none;
    /* Transparent background */
    border: none;
    /* No border */
    cursor: pointer;
    /* Pointer cursor on hover */
    margin-left: 10px;
}

button[type="submit"] img {
    width: 24px;
    /* Width of the search icon */
    height: 24px;
    /* Height of the search icon */
}


/* Responsive Design */

@media (max-width: 600px) {
    .container {
        padding: 10px;
        /* Less padding on smaller screens */
    }
    .search-bar {
        flex-direction: column;
        /* Stack elements on smaller screens */
        gap: 5px;
        /* Reduce gap */
    }
}


/* minimize screen-phone*/

@media(max-width: 700px) {
    .text-box h1 {
        font-size: 20px;
        font-family: 'Times New Roman', Times, serif;
    }
    .nav-link ul li {
        display: block;
    }
    .nav-link {
        font-size: 12px;
        font-family: 'Times New Roman', Times, serif;
        position: absolute;
        background: #09772e;
        height: 100vh;
        width: 200px;
        top: 0;
        right: -200px;
        text-align: left;
        z-index: 2;
        transition: 1s;
    }
    nav .fa {
        display: block;
        color: #fff;
        margin: 10px;
        font-size: 22px;
        cursor: pointer;
    }
    .nav-link ul {
        padding: 30px
    }
    .search-bar {
        width: 100%;
        max-width: 300px;
        color: #fff;
    }
}

.dropdown-menu {
    position: absolute;
    /* Absolute position */
    top: 100%;
    /* Position below the button */
    left: 0;
    /* Align to left */
    z-index: 1000;
    /* Above other elements */
    display: none;
    /* Initially hidden */
    background-color: white;
    /* White background */
    border: 1px solid #ddd;
    /* Light border */
    width: 100%;
    /* Full width */
    padding: 5px 0;
    /* Padding for dropdown items */
    list-style: none;
    /* No bullets */
    margin-left: 20px;
}


/* Show dropdown menu */

.btn:hover+.dropdown-menu,
.dropdown-menu:hover {
    display: block;
    /* Show dropdown on hover */
}


/* Dropdown Items */

.dropdown-menu li a {
    display: block;
    /* Block display for full width clickable area */
    padding: 5px 15px;
    /* Padding around items */
    text-decoration: none;
    /* Remove underline */
    color: #333;
    /* Dark text color */
}

.dropdown-menu li a:hover {
    background-color: #1abe59;
    /* Light hover effect */
}


/* lecture */

.lecture {
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 10px;
}

.lecture-col img {
    width: 100px;
    height: 100px;
}

h1 {
    font-size: 36px;
    font-weight: 600;
}

p {
    color: #464040;
    font-family: 'Times New Roman', Times, serif;
    font-size: 12px;
    font-weight: 300;
    line-height: 22px;
    padding: 10px;
}

.row {
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
}

.lecture-col {
    flex-basis: 31%;
    background: #f3f4e5;
    border-radius: 5px;
    margin-bottom: 5%;
    padding: 20px 12px;
    box-sizing: border-box;
}

h3 {
    font-family: 'Times New Roman', Times, serif;
    text-align: center;
    font-weight: 600;
    margin: 10px 0;
}

.lecture-col:hover {
    background: rgba(228, 189, 60, 0.7);
    box-shadow: 0 0 20px 0px rgba(0, 0, 0, 0.2);
}


/* minimize screen-phone*/

@media(max-width:700px) {
    .row {
        flex-direction: column;
    }
}


/* minimize screen-phone*/


/* lecture */


/* research*/

.research {
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 10px;
}

h1 {
    font-size: 36px;
    font-weight: 600;
}

p {
    color: #464040;
    font-family: 'Times New Roman', Times, serif;
    font-size: 12px;
    font-weight: 300;
    line-height: 22px;
    padding: 10px;
}

.research-col img {
    width: 100px;
    height: 100px;
}

.row {
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
}

.research-col {
    flex-basis: 32%;
    background: #fff3f3;
    border-radius: 10px;
    margin-bottom: -5%;
    padding: 20px 12px;
    box-sizing: border-box;
}

h3 {
    font-family: 'Times New Roman', Times, serif;
    text-align: center;
    font-weight: 600;
    margin: 10px 0;
}

.research-col:hover {
    background: rgba(228, 139, 56, 0.7);
    box-shadow: 0 0 20px 0px rgba(0, 0, 0, 0.2);
}


/* minimize screen-phone*/

@media(max-width:700px) {
    .row {
        flex-direction: column;
    }
}

.cta {
    margin: 100px auto;
    width: 80%;
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url(images/banner2.jpg);
    background-position: center;
    background-size: cover;
    border-radius: 10px;
    text-align: center;
    padding: 100px 0;
}

.cta h1 {
    color: #fff;
    margin-bottom: 10px;
    padding: 0%;
}

@media(max-width:700px) {
    .cta h1 {
        font-size: 24px;
    }
}


/* contact */


/* footer*/

.footer {
    width: 100%;
    text-align: center;
    padding-top: -10px 0;
}

.footer h4 {
    margin-bottom: 25px;
    margin-top: 20px;
    font-weight: 600;
    font-size: 30px;
}

.footer p {
    font-size: 16px;
}

.icons .fa {
    color: #c81f13;
    margin: 0 13px;
    cursor: pointer;
    padding: 30px 0;
}

.fa-heart-o {
    color: #f44336;
}


/* footer */