/* ---------------- Fonts ----------------*/
@import url("https://fonts.googleapis.com/css?family=Poppins:100,200,300,400,500,600,700,800,900");
@import url('https://fonts.googleapis.com/css2?family=Ysabeau+Office:wght@200&display=swap');


/* ---------------- Variables ---------------- */
:root {
    --nav_bar_color: black;
    --bio_text_color: black;
    --nav_bar_transition: 0.3s;
    --nav_bar_init_opac: 0.7;
    --aboutme_text_color: black;
    --navbar_font: 'Times New Roman', Times, serif;
    --heading_font: 'Poppins', sans-serif;
    --para_font: 'Calibri','Lato', sans-serif;
  }



/* ---------------- Entire Page ---------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading_font);
}

p {
    font-family: var(--para_font);
}

a:hover {
	color: rgb(182, 126, 43);
}



/* ---------------- NavBar ---------------- */
.navbar-nav {
    margin-left: auto;
}

.navbar-brand {
    font-family: 'Times New Roman', Times, serif;
    font-size: 2.5rem;
    font-weight: 900;
    color: #fff;
}

.navbar-brand {
    padding: 0.1rem 1.0rem;
    margin-left: 15px;
}

.navbar-brand:hover {
    color: rgb(182, 126, 43);
}


/* Opacity */
.sticky {
    position: fixed;
    top: 0;
    width: 100%;
    opacity: var(--nav_bar_init_opac);                                      /* Initial opacity */
    transition: opacity var(--nav_bar_transition) ease-in-out;             /* Transition effect for opacity */
}

.header-area {
    background-color: var(--nav_bar_color);
}




/* ---------------- Roll-Over Effect ---------------- */

.menu_highlight *{
    box-sizing: border-box;
    font-size: medium;
    -webkit-transition: all var(--nav_bar_transition) ease;
    transition: all var(--nav_bar_transition) ease;
}

.menu_highlight {
  font-family: 'Ysabeau Office', sans-serif;
  text-align: center;
  font-stretch: semi-condensed;
  font-display: swap;
  text-transform: uppercase;
}

.menu_highlight li {
    display: inline-block;
    list-style: outside none none;
    margin-top: 1rem;
    margin-bottom: 1rem;
    margin-right: 1.0rem;
}

.menu_highlight a {
    padding: 0.3em;
    color: white;                                   /* Text Color -> Before */
    letter-spacing: 1px;                       
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);  
}

.menu_highlight a:hover {
    color: rgb(182, 126, 43);                       /* Text Color -> After */
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
}

/* Confirm nav-link color remains the same after returning from a different window of a redirected link */
.menu_highlight a:focus {
    outline: none;
    color: white;
}



/* ---------------- Body ---------------- */

/* Bio */
.bio_page {
    padding-top: 10rem;
    background: url("/img/img_janet_bg_1.jpg");
    background-blend-mode: darken;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: scroll;
    background-size: cover;
    padding-bottom: 1%;
}


.bio_page .text-left {
    width: 50vw;
}

.bio_page h1 {
    font-family: var(--heading_font);
    font-size: 2.5rem;
    font-weight: 1000;
    color: var(--bio_text_color);
    
}

.bio_page h4 {
    font-family: var(--heading_font);
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--bio_text_color);
    
}

.bio_page p {
    font-size: 3.0rem;
    color: var(--bio_text_color);
    font-family: var(--para_font);
}

@media (max-width: 800px) {
    .bio_page {
        height: auto;
        min-height: 40rem;
        padding-top: 4.5rem;
        padding-bottom: 0;
        background-size: cover;
        background-position: center;
    }

    .bio_page p {
        font-size: 1.15rem;
    }

    .bio_page h1 {
        font-size: 2.0rem;
    }

    .bio_page h4 {
        font-size: 1.4rem;
    }

    .col-lg-8 {
        width: 100%;
        padding: 0 1rem;
    }
}

@media (max-width: 600px) {
    .bio_page h1 {
        font-size: 1.8rem;
    }

    .bio_page h4 {
        font-size: 1.2rem;
    }

    .bio_page p {
        font-size: 1rem;
    }

    .btn {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
}

@media (min-width: 801px) {
    .bio_page {
        font-size: 2.0rem;
        height: auto;
        min-height: 40rem;
        padding-top: 4.5rem;
        padding-bottom: 0;
        background-size: cover;
        background-position: center;
    }

    .bio_page p {
        font-size: 1.15rem;
    }

    .bio_page h1 {
        font-size: 2.5rem;
    }

    .bio_page h4 {
        font-size: 1.6rem;
    }
}

@media (min-width: 800px) {

    .bio_page h1, .h1 {
        font-size: 2.0rem;
    }

    .bio_page {
        font-size: 2.0rem;
        height: 100vh;
        min-height: 40rem;
        padding-top: 4.5rem;
        padding-bottom: 0;
    }

    .bio_page p {
        font-size: 1.15rem;
    }

}


/* description text of featured projects in homepage */
#featured_proj_desc {
    font-size: 1.1rem;
    font-family: var(--para_font);
    color: white;
    padding-top: 1rem;
    padding-bottom: 0.2rem;
}





/* ---------------- Publications ---------------- */
.page-section {
    padding: 5rem 0;
}

.page-section p {
    padding-top: 3rem;
    color: white;
    font-size: 1.4rem;
    font-family: var(--para_font);
}





/* ---------------- Featured Projects ---------------- */
/* NOTE: CSS modified from https://templatemo.com/ */

section.featured_projects {
    background-image: url('/img/2_featured_proj_sean-sinclair.jpg');
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;
    background-blend-mode: darken;

    /* Padding */
    padding-top: 3rem;
    padding-bottom: 3rem;
    
}

 
section.featured_projects .section-heading {
    text-align: center;
    color: black;
  }

/* Individual Item */
.project_ {
    padding: 0.5rem;
    width: 300px;
    margin-top: 50px;
    margin-bottom: 30px;
    margin-right: 100px;
    margin-left: 40px;
}

.project_ .thumb {
    position: relative;
}
  
.project_ .thumb img {
    border-top-right-radius: 20px;
    border-top-left-radius: 20px;
    width: 100%;
}
.project_ .down-content {
    background-color: #6f8e94;
    padding: 30px;
    border-bottom-right-radius: 20px;
    border-bottom-left-radius: 20px;
}

.project_ .down-content h4 {
    font-size: 18px;
    color: #1f272b;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 15px;
}
  
.project_ .down-content p {
    margin-left: 5px;
    color: #1f272b;
    font-size: 14px;
}
  
@media (max-width: 800px) {
    section.featured_projects {
      padding-top: 100px;

    }
}




/* ---------------- Contact Form ---------------- */
.contact-us {
    background: url('/img/contact_bg.jpg');
   
}

.contact-us .container {
    border-style:hidden;
    background: rgb(25, 31, 37);
    /* background: #bcb6b0; */
    background-size: cover;
    color: #fff;

    padding-top: 5rem;
    padding-bottom: 5rem;
    padding-right: 5rem;
    padding-left: 5rem;



    border-radius: 20px;
}

.contact-us .contact-info, a {
    font-family: var(--para_font);
}

/* Center the container horizontally */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

.form-control {
    height: 50px;
    background: #fff;
    color: #000;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.d-flex p {
    padding-left: 10px;
    padding-top: 2px;
    font-family: Verdana, Tahoma, sans-serif;
}






/* ---------------- Footer ---------------- */
footer
{
    font-size: 0.7rem;
    padding-bottom: 0.1rem;

    height: auto;
    width: 100vw;
    color: #fff;
    overflow: auto;
}

.footer_container {
    color: white;
    padding: 1rem 0;
    margin-top: 1rem;
    margin-bottom: 1rem;
    text-align: center;
}

.footer_social {
    margin-top: 1rem;
    margin-bottom: 1rem;
  
}


@media (max-width: 800px) {
    
    footer
    {
        font-size: 0.6rem;
        padding-bottom: 0.1rem;

        height: 100px;
        width: 100vw;
        color: #fff;
        overflow: auto;
    }

    .footer_container {
        color: white;
        padding-bottom: 1rem;
        margin-top: 0.2rem;
        margin-bottom: 0.2rem;
        text-align: center;
    }
    
    .footer_social {
        position: relative;
        align-content: end;
        margin-top: 0.2rem;
        margin-bottom: 1rem;
        padding-bottom: 1rem;
      
    }

    .btn {
        font-size: 0.5rem;
    }

}






/* ---------------- About Me ---------------- */

.aboutme_heading_page {
    /* background-image: url('/img/1_cesar_couto_bg.jpg'); */
    background-image: #fff;
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: #fff;
    position: relative;
    /* overflow: hidden visible; */
    padding-bottom: 3rem;
}

.aboutme_heading_page h2 {
    font-family: var(--heading_font);
    color: var(--aboutme_text_color);
    font-size: 3rem;
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.aboutme_heading_page h5 {
    font-family: var(--heading_font);
    color: var(--aboutme_text_color);
    font-size: 1.5rem;
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    
}


.aboutme_heading_page p {
    font-family: var(--para_font);
    font-size: 1.7rem;
    color: var(--aboutme_text_color);
    text-align: center;
    margin-top: 1rem;
    margin-bottom: 1rem;

    position: absolute;
    top: 25%;
    left: 10%;
    right: 10%;

    padding-bottom: 3rem;
}




/* ------------------- Glimpses --------------------- */
.glimpses-class img {
    width: 100%;
    height: auto;
    margin-right: 50px;
}

/* Apply styles to each image */
.glimpses-class .col-4 {
    flex: 1;
    margin: 15px;                                           /* Increase the margin to add more spacing between images */
    transition: transform 0.2s;                             /* Add a smooth hover effect */
    overflow: hidden;                                       /* Hide overflowing content within the div */
    
    display: flex;
    align-items: center;
    text-align: center;

    /* Fancy border and box-shadow styles */
    border: 4px solid #d1d1c8;
    border-radius: 20px;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.2);
}


.glimpses-class .col-4:hover {
    transform: scale(1.05);                                /* Enlarge the image on hover */
    box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.4);      /* Increase shadow on hover */
}

/* Style the images for a cool look */
.glimpses-class img {
    width: 100%;
    height: auto;
    border-radius: 25px;
}

/* Add a hover effect for the images */
.glimpses-class img:hover {
    filter: brightness(1.2);                    /* Increase brightness on hover */
}



/* Add styles for the image viewer */
.image-viewer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

#imageContainer {
    position: relative;
}

.expanded-image {
    max-width: 90%;
    max-height: 80vh; /* Set maximum height for the expanded image */
    border: 2px solid white;
    border-radius: 10px;
}

.close-button {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 30px;
    cursor: pointer;
    color: white;
    transform: scale(1); /* Reset the transform */
}


.pdf-file {

    margin-top: auto;
}




/* ----------------- Zambia Education --------------- */
/* Style the iframe */
iframe {
    border: 2px solid #333;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Styles for the section */
.vid-section {
    background-color: #f2f2f2;
    text-align: center;
    padding: 50px;
}

/* Styles for the container */
.vid-section .container {
    max-width: 960px;
}

/* Center the iframe within the row */
.vid-section .row {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Button */
#fullscreen-button {
    background-color: #1261c2;
    color: #fff;
    border: none;
    border-radius: 25px;
    padding: 15px 25px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
    font-size: 18px;
    font-weight: bold;
    text-transform: uppercase;
    box-shadow: 0 5px 15px rgba(194, 212, 135, 0.3);

    margin-top: 20px;
}

#fullscreen-button:hover {
    background-color: #8fb858;              /* Darken the button a little on hover */
    transform: scale(1.05);
}


/* Media query for smaller screens */
@media (max-width: 768px) {
    iframe {
        width: 100%; /* Full width on smaller screens */
    }
}




/* Mobile Support */
@media (max-width: 800px) {

    .aboutme_heading_page h2 {
        font-size: 25px;

        position: absolute;
        top: 15%;
        left: 50%; 
        transform: translate(-50%, -50%);
    }

    .aboutme_heading_page h5 {
        font-size: 15px;
        text-align: center;

        position: absolute;
        top: 25%;
        left: 50%; 
        right: 30%;
        transform: translate(-50%, -50%);
    }

    .aboutme_heading_page p {
        font-size: 12px;

        position: absolute;
        top: 30%;
        left: 10%; 
        right: 10%;
    }

}

@media (max-width: 410px) {

    .aboutme_heading_page h2 {
        font-size: 15px;

        position: absolute;
        top: 15%;
        left: 50%; 
        transform: translate(-50%, -50%);
    }

    .aboutme_heading_page h5 {
        font-size: 11px;
        text-align: center;

        position: absolute;
        top: 23%;
        left: 50%; 
        right: 30%;
        transform: translate(-50%, -50%);
    }

    .aboutme_heading_page p {
        font-size: 8px;

        position: absolute;
        top: 27%;
        left: 10%; 
        right: 10%;

    }

}


@media (min-width: 801px) {

    .aboutme_heading_page h2 {
        font-size: 50px;

        position: absolute;
        top: 10%;
        left: 50%; 
        transform: translate(-50%, -50%);
    }

    .aboutme_heading_page h5 {
        font-size: 30px;

        position: absolute;
        top: 23%;
        left: 50%; 
        right: 23%;
        transform: translate(-50%, -50%);
        text-align: center;
    }

    .aboutme_heading_page p {
        font-size: 16px;

        position: absolute;
        top: 27%;
        left: 10%; 
        right: 10%;
    }
}





/* ------------- PUBLICATION ------------- */

section.pubs_section {
    padding-top: 8rem;
    background-image : url("/img/1_cesar_couto_bg.jpg");
    /* background: #fff; */
    /* background-blend-mode: darken; */
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    padding-bottom: 1%;

    overflow: hidden visible !important;
}

 
section.pubs_section .section-heading {
    text-align: center;
    color: black;
}

/* publications page -> google scholar section */
.pubs_section_gscholar {
    font-size: 23px;
}


/* Individual Item */
.pubs_proj {
    padding: 0.1rem;
    width: 300px;
    margin-top: 5px;
    margin-bottom: 60px;
    margin-right: 100px;
    margin-left: 40px;

    padding-top: 4rem;
}

.pubs_proj .thumb {
    position: relative;
}
  
.pubs_proj .thumb img {
    border-top-right-radius: 20px;
    border-top-left-radius: 20px;
    width: 100%;
}
.pubs_proj .down-content {
    background-color: #82a6d9;
    padding: 30px;
    border-bottom-right-radius: 20px;
    border-bottom-left-radius: 20px;
}
  
.pubs_proj .down-content h4 {
    font-size: 18px;
    color: #1f272b;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 15px;
}
  
.pubs_proj .down-content p {
    margin-left: 50px;
    color: #1f272b;
    font-size: 14px;
}

@media (max-width: 800px) {
    section.pubs_section {
      padding-top: 100px;
    }
}