@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,700;1,400;1,700&family=Poppins:wght@300;400;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&family=Merriweather:wght@300;400;700&display=swap');


/* General body and HTML styles */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;  /* Prevent horizontal overflow */
    font-family: 'Poppins', sans-serif;
    background: #101820;  /* Dark gradient background */
}

/* Header and Navigation Bar */
header {
    background: url('navigation3.jpeg') no-repeat center center fixed;
    background-size: cover;
    color: #fff;
    padding: 2vh 2vw; /* Use vh and vw for padding */
    position: fixed;  /* Fixed position to stay at the top */
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
    z-index: 1000;  /* Ensure the header is above other content */
}

nav#navbar {
    margin: 0;
    display: flex;
    justify-content: center;
    width: 100%;
}

nav#navbar ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

nav#navbar li {
    margin: 0 2vw; /* Use vw for margin */
}

nav#navbar a {
    color: #fff;
    text-decoration: none;
    font-size: 3vh; /* Use vh for font size */
    padding: 1.5vh; /* Use vh for padding */
    display: flex;
    justify-content: center;
    align-items: center;
}

nav#navbar a:hover, nav#navbar a:focus {
    background-color: #575757;
    border-radius: 1vw; /* Use vw for border radius */
    transition: background-color 0.3s;
}

/* Sidebar */
.sidebar {
    background: url('b12.jpeg');
    background-size: cover;
    padding: 2vh 2vw; /* Use vh and vw for padding */
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    width: 18vw; /* Use vw for width */
    border-radius: 2vw;  /* Use vw for border radius */
    box-shadow: 0 1vh 2vh rgba(0,0,0,0.1); /* Use vh for box shadow */
    position: absolute;
    top: 12vh;  /* Use vh for top margin */
    left: 1vw; /* Use vw for left margin */
    right: auto; /* Ensure right is auto */
    transition: top 0.3s;
}

/* Profile picture */
.profile-pic {
    width: 12vw; /* Use vw for width */
    height: 12vw; /* Use vw for height */
    object-fit: cover; /* Maintain aspect ratio and cover the area */
    border-radius: 50%; /* Optional: to make it a circular profile picture */
    margin: 0 auto; /* Center the picture by auto margins */
}

.sidebar h2 {
    color: #090909;
    font-family: 'Merriweather', serif; /* Distinct font for sidebar headings */
    font-size: 3vh; /* Use vh for font size */
    text-align: center;
    margin: 1vh 0; /* Use vh for margin */
}

.sidebar p {
    color: #050505;
    font-family: 'Lato', sans-serif;
    font-size: 1.8vh; /* Use vh for font size */
    text-align: justify;
    margin: 1vh 0; /* Use vh for margin */
}
/* Project and Publication */
.project, .publication {
    color: #000000;
    background: #FBEAEB; /* Light background color */
    margin-top: 2vh; 
    width: 77%; 
    margin-left: 20vw; 
    margin-right: 5vw; 
    margin-bottom: 1vh; 
    padding: 2vh; 
    text-align: justify;
    border-radius: 1vw; 
    font-size: 2.5vh; 
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.project.active, .publication.active {
    opacity: 1;
    transform: translateY(0);
}

/* Section Titles */
.section-title {
    font-size: 5vh; /* Use vh for font size */
    font-family: "Poppins", sans-serif;
    font-weight: bold;
    font-style: normal;
    color: #ffffe0;
    border-bottom: 3px solid yellow;
    padding-bottom: 1vh; /* Use vh for padding */
    margin-top: 12vh; /* Use vh for top margin */
    margin-left: 20vw; /* Adjusted to align with projects and publications */
    margin-right: 5vw; /* Use vw for right margin */
    width: 78.5%; /* Use vw for width */
}

.section-title2 {
    font-size: 5vh; /* Use vh for font size */
    font-family: "Poppins", sans-serif;
    font-weight: bold;
    font-style: normal;
    color: #ffffe0;
    border-bottom: 3px solid yellow;
    padding-bottom: 1vh; /* Use vh for padding */
    margin-top: 1vh; /* Use vh for top margin */
    margin-left: 20vw; /* Adjusted to align with projects and publications */
    margin-right: 5vw; /* Use vw for right margin */
    width: 78.5%; /* Use vw for width */
}

.section-title i, .section-title2 i {
    margin-right: 0.5vw; /* Adjust spacing between icon and text */
    font-style: normal; /* Ensure the icon does not inherit italic style */
}

/* Custom classes */
.project-heading {
    font-family: "Lora", serif; /* Attractive font */
    font-size: 2.5vh;
    font-weight: bold;
    margin-bottom: 1vh; /* Reduce space below heading */
}

.abstract {
    font-family: 'Lora', serif; /* Attractive font */
    margin-top: 0.5vh; /* Reduce space above abstract */
    margin-bottom: 0.5vh; /* Reduce space below abstract */
}

.doi {
    margin: 0; /* Remove margin to reduce space */
    font-family: 'Lora', serif; /* Attractive font */
    font-size: 2vh; /* Use vh for font size */
}

.author {
    font-family: 'Lora', serif; /* Attractive font */
    font-size: 2vh; /* Use vh for font size */
    margin-top: 0.5vh; /* Reduce space above author */
    font-weight: bold;
    margin-bottom: 0.5vh; /* Reduce space below author */
}

.year {
    font-family: 'Lora', serif; /* Attractive font */
    font-size: 2vh; /* Use vh for font size */
    margin-top: 0.5vh; /* Reduce space above year */
    margin-bottom: 0.5vh; /* Reduce space below year */
}

/* Media query for screen sizes between 1440px and 1024px */
@media (max-width: 1440px) and (min-width: 1024px) {
    .sidebar {
        width: 95.2%; /* Adjust width to prevent overflow */
        height: auto;
        position: relative;
        margin-bottom: 2vh; /* Use vh for margin */
        border-radius: 1vw; /* Use vw for border radius */
        padding: 2vh 2vw; /* Use vh and vw for padding */
        top: 10vh; /* Use vh for top margin */
        margin-left: 1vw; /* Use vw for left margin */
        margin-right: 2vw; /* Use vw for right margin */
        display: flex; /* Use flexbox layout */
        flex-direction: row; /* Column layout */
        align-items: center; /* Center items vertically */
    }

    .profile-pic {
        width: 15vw; /* Use vw for width */
        height: 15vw; /* Use vw for height */
        object-fit: cover; /* Maintain aspect ratio and cover the area */
        border-radius: 1vw; /* Use vw for border radius */
        margin-right: 2vw; /* Use vw for margin */
    }

    .sidebar h2, .sidebar p {
        width: 100%; /* Full width for text */
        text-align: center; /* Center text */
    }

    .sidebar p {
        width: 100%; /* Full width for text */
        text-align: justify;
    }

    .project, .publication {
        margin-top: 2vh; /* Use vh for top margin */
        width: 93%; /* Full width minus a small margin */
        margin-left: 2vw;
        text-align: justify;
        margin-right: 5vw; /* Use vw for right margin */
        margin-bottom: 2vh; /* Use vh for bottom margin */
        padding: 2vh; /* Use vh for padding */
        border-radius: 1vw; /* Use vw for border radius */
        font-size: 2.5vh; /* Use vh for font size */
    }

    .section-title {
        margin-top: 10vh;
        font-size: 5vh; /* Use vh for font size */
        font-family: "Poppins", sans-serif;
        font-weight: bold;
        font-style: normal;
        margin-left: 2vw; /* Adjusted to align with projects and publications */
        margin-right: 5vw; /* Use vw for right margin */
        width: 95%; /* Use vw for width */
    }
    .section-title2 {
        margin-top: 2vh;
        font-size: 5vh; /* Use vh for font size */
        font-family: "Poppins", sans-serif;
        font-weight: bold;
        font-style: normal;
        margin-left: 2vw; /* Adjusted to align with projects and publications */
        margin-right: 5vw; /* Use vw for right margin */
        width: 95%; /* Use vw for width */
    }

    /* Ensure navigation bar items are adjusted for smaller screens */
    nav#navbar ul {
        flex-direction: row; /* Keep navigation items in a row */
        margin: 0;
        padding: 0 1vw; /* Use vw for padding */
    }

    nav#navbar li {
        margin: 0 2vw; /* Use vw for margin */
    }

    nav#navbar a {
        font-size: 2.5vh; /* Use vh for font size */
        padding: 1vh; /* Use vh for padding */
    }
}

/* Media query for screen sizes between 1024px and 900px */
@media (max-width: 1024px) and (min-width: 768px) {
    .sidebar {
        width: 95.5%; /* Adjust width to prevent overflow */
        height: auto;
        position: relative;
        margin-bottom: 2vh; /* Use vh for margin */
        border-radius: 1vw; /* Use vw for border radius */
        padding: 2vh 2vw; /* Use vh and vw for padding */
        top: 10vh; /* Use vh for top margin */
        margin-left: 1.2vw; /* Use vw for left margin */
        margin-right: 5vw; /* Use vw for right margin */
        display: flex; /* Use flexbox layout */
        flex-direction: row; /* Column layout */
        align-items: center; /* Center items vertically */
    }
    .profile-pic {
        width: 15vw; /* Use vw for width */
        height: 15vw; /* Use vw for height */
        object-fit: cover; /* Maintain aspect ratio and cover the area */
        border-radius: 1vw; /* Use vw for border radius */
        margin-right: 2vw; /* Use vw for margin */
    }

    .sidebar h2, .sidebar p {
        width: 100%; /* Full width for text */
        text-align: center; /* Center text */
    }

    .sidebar p {
        width: 100%; /* Full width for text */
        text-align: justify;
    }

    .project, .publication {
        margin-top: 2vh; /* Use vh for top margin */
        width: 93%; /* Full width minus a small margin */
        margin-left: 2vw;
        text-align: justify;
        margin-right: 5vw; /* Use vw for right margin */
        margin-bottom: 2vh; /* Use vh for bottom margin */
        padding: 2vh; /* Use vh for padding */
        border-radius: 1vw; /* Use vw for border radius */
        font-size: 2.5vh; /* Use vh for font size */
    }

    .section-title {
        margin-top: 12vh;
        font-size: 5vh; /* Use vh for font size */
        font-family: "Poppins", sans-serif;
        font-weight: bold;
        font-style: normal;
        margin-left: 2vw; /* Adjusted to align with projects and publications */
        margin-right: 2vw; /* Use vw for right margin */
        width: 95%; /* Full width minus margins */
    }
    .section-title2 {
        font-size: 5vh; /* Use vh for font size */
        font-family: "Poppins", sans-serif;
        font-weight: bold;
        font-style: normal;
        margin-top: 4vh;
        margin-left: 2vw; /* Adjusted to align with projects and publications */
        margin-right: 2vw; /* Use vw for right margin */
        width: 95%; /* Full width minus margins */
    }

    /* Ensure navigation bar items are adjusted for smaller screens */
    nav#navbar ul {
        flex-direction: row; /* Keep navigation items in a row */
        margin: 0;
        padding: 0 1vw; /* Use vw for padding */
    }

    nav#navbar li {
        margin: 0 2vw; /* Use vw for margin */
    }

    nav#navbar a {
        font-size: 2.5vh; /* Use vh for font size */
        padding: 1vh; /* Use vh for padding */
    }
}

/* Media query for screen sizes between 768px and 500px */
@media (max-width: 768px) and (min-width: 500px) {
    .sidebar {
        width: 95%; /* Adjust width to prevent overflow */
        height: auto;
        position: relative;
        margin-bottom: 2vh; /* Use vh for margin */
        border-radius: 1vw; /* Use vw for border radius */
        padding: 2vh 2vw; /* Use vh and vw for padding */
        top: 11vh; /* Use vh for top margin */
        margin-left: 1.3vw; /* Use vw for left margin */
        margin-right: 2vw; /* Use vw for right margin */
        display: flex; /* Use flexbox layout */
        flex-direction: row; /* Column layout */
        align-items: center; /* Center items vertically */
    }

    .profile-pic {
        width: 15vw; /* Use vw for width */
        height: 15vw; /* Use vw for height */
        object-fit: cover; /* Maintain aspect ratio and cover the area */
        border-radius: 1vw; /* Use vw for border radius */
        margin-right: 2vw; /* Use vw for margin */
    }

    .sidebar-text {
        display: flex; /* Use flexbox layout */
        flex-direction: column; /* Stack title and paragraph vertically */
        width: 100%; /* Full width for text container */
    }

    .sidebar h2 {
        width: 100%; /* Full width for text */
        text-align: center; /* Center text */
        margin-bottom: 1vh; /* Use vh for bottom margin */
    }

    .sidebar p {
        width: 100%; /* Full width for text */
        text-align: justify; /* Center text */
        margin: 0; /* Remove margins */
        font-size: medium;
    }

    .project, .publication {
        margin-top: 2vh; /* Use vh for top margin */
        width: 91%; /* Full width minus a small margin */
        margin-left: 2vw;
        text-align: justify;
        margin-right: 2vw; /* Use vw for right margin */
        margin-bottom: 2vh; /* Use vh for bottom margin */
        padding: 2vh; /* Use vh for padding */
        border-radius: 1vw; /* Use vw for border radius */
        font-size: 2.5vh; /* Use vh for font size */
    }

    .section-title {
        font-size: 5vh; /* Use vh for font size */
        font-family: "Poppins", sans-serif;
        font-weight: bold;
        font-style: normal;
        margin-top: 12vh;
        margin-bottom: 1vh;
        margin-left: 2vw; /* Adjusted to align with projects and publications */
        margin-right: 2vw; /* Use vw for right margin */
        width: 95%; /* Full width minus margins */
    }
    .section-title2 {
        font-size: 5vh; /* Use vh for font size */
        font-family: "Poppins", sans-serif;
        font-weight: bold;
        font-style: normal;
        margin-top: 2vh;
        margin-left: 2vw; /* Adjusted to align with projects and publications */
        margin-right: 2vw; /* Use vw for right margin */
        width: 95%; /* Full width minus margins */
    }

    /* Ensure navigation bar items are adjusted for smaller screens */
    nav#navbar ul {
        flex-direction: row; /* Keep navigation items in a row */
        margin: 0;
        padding: 0 1vw; /* Use vw for padding */
    }

    nav#navbar li {
        margin: 0 2vw; /* Use vw for margin */
    }

    nav#navbar a {
        font-size: 2.5vh; /* Use vh for font size */
        padding: 1vh; /* Use vh for padding */
    }
}

/* Media query for screen sizes below 500px */
@media (max-width: 500px) {
    .sidebar {
        width: 95%; /* Adjust width to prevent overflow */
        height: auto;
        position: relative;
        margin-bottom: 2vh; /* Use vh for margin */
        border-radius: 1vw; /* Use vw for border radius */
        padding: 2vh 2vw; /* Use vh and vw for padding */
        top: 10vh; /* Use vh for top margin */
        margin-left: 2vw; /* Use vw for left margin */
        margin-right: 2vw; /* Use vw for right margin */
        display: flex; /* Use flexbox layout */
        flex-direction: column; /* Column layout */
        align-items: center; /* Center items vertically */
    }

    .profile-pic {
        width: 30vw; /* Use vw for width */
        height: 30vw; /* Use vw for height */
        object-fit: cover; /* Maintain aspect ratio and cover the area */
        border-radius: 1vw; /* Use vw for border radius */
        margin-right: 0 auto; /* Use vw for margin */
    }

    .sidebar-text {
        display: flex; /* Use flexbox layout */
        flex-direction: column; /* Stack title and paragraph vertically */
        width: 100%; /* Full width for text container */
    }

    .sidebar h2 {
        width: 100%; /* Full width for text */
        text-align: center; /* Center text */
        margin-bottom: 1vh; /* Use vh for bottom margin */
    }

    .sidebar p {
        width: 100%; /* Full width for text */
        text-align: justify; /* Center text */
        margin: 0; /* Remove margins */
        font-size: medium;
    }

    .project, .publication {
        margin-top: 1vh; /* Use vh for top margin */
        width: 90%; /* Full width minus a small margin */
        margin-left: 2vw;
        text-align: justify;
        margin-right: 2vw; /* Use vw for right margin */
        margin-bottom: 2vh; /* Use vh for bottom margin */
        padding: 2vh; /* Use vh for padding */
        border-radius: 1vw; /* Use vw for border radius */
        font-size: 2.5vh; /* Use vh for font size */
    }

    .section-title {
        font-size: 5vh; /* Use vh for font size */
        font-family: "Poppins", sans-serif;
        font-weight: bold;
        font-style: normal;
        margin-top: 12vh;
        margin-left: 2vw; /* Adjusted to align with projects and publications */
        margin-right: 2vw; /* Use vw for right margin */
        width: 95%; /* Full width minus margins */
    }
    .section-title2 {
        font-size: 5vh; /* Use vh for font size */
        font-family: "Poppins", sans-serif;
        font-weight: bold;
        font-style: normal;
        margin-top: 4vh;
        margin-left: 2vw; /* Adjusted to align with projects and publications */
        margin-right: 2vw; /* Use vw for right margin */
        width: 95%; /* Full width minus margins */
    }

    /* Ensure navigation bar items are adjusted for smaller screens */
    nav#navbar ul {
        flex-direction: row; /* Keep navigation items in a row */
        margin: 0;
        padding: 0 1vw; /* Use vw for padding */
    }

    nav#navbar li {
        margin: 0 2vw; /* Use vw for margin */
    }

    nav#navbar a {
        font-size: 2.5vh; /* Use vh for font size */
        padding: 1vh; /* Use vh for padding */
    }
}