:root {
/* color */
  --dark:				#000000;
  --light:				#ffffff;
  --medium:         	#003366;
  --header-background:	#330000;
  --header-text:		#ffcc66;
  --nav-background:		#ffcc66;
  --nav-text:			#330000;
  --footer-background:	#ffcc66;
  --footer-text:		#330000;
/* layout */
  --content-column-max-width: 45rem;  
/* fonts */
  --main-font:        Verdana, Sans-Serif;
  --header-font:      Arial, Helvetica, Sans-Serif;
  --navingation-font: Arial, Helvetica, Sans-Serif;
}





* { 
  box-sizing: border-box; 
}

html {
  font-family: var(--main-font);
  font-size: 100%;
  vertical-align: top;
}

body {
  background-color: var(--light);
}

h1 {
  font-family: var(--header-font);
  font-weight: 700;
  line-height: 150%;
  color: var(--dark);
  font-size: clamp(1.5rem, 1.75vw, 2.5rem);
  border-bottom: .5px solid var(--dark);
  margin: -.333rem 0 .667rem;
  padding-bottom: .333rem;
}
h2 {
  font-family: var(--header-font);
  font-size: clamp(1.5rem, 1.25vw, 2rem);
  font-weight: 700;
  line-height: 150%;
  color: var(--dark);
}
h3 {
  font-family: var(--header-font);
  font-size: clamp(1.25rem, 1.0vw, 1.5rem);
  font-weight: 400;
  line-height: 150%;
  color: var(--dark);
}
h4 {
  font-family: var(--header-font);
  font-size: clamp(1rem, 0.9vw, 1.25rem);
  font-weight: 400;
  line-height: 150%;
  color: var(--dark);
}
h5 {
  font-family: var(--header-font);
  font-size: clamp(0.90rem, 0.8vw, 1.2rem);
  font-weight: 400;
  line-height: 150%;
  color: var(--dark);
}
h6 {
  font-family: var(--header-font);
  font-size: clamp(0.75rem, 0.7vw, 1rem);
  font-weight: 400;
  line-height: 150%;
  color: var(--dark);
}
p {
  font-family: var(--main-font);
  font-size: clamp(1rem, 0.8vw, 1.5rem);
  font-weight: 400;
  line-height: 175%;
  color: var(--dark);
}

li {
  font-family: var(--main-font);
  font-size: clamp(1rem, 0.8vw, 1.5rem);
  font-weight: 400;
  line-height: 150%;
  color: var(--dark);
}

a {
  color: var(--medium);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-decoration-style: dotted;
}

/* header */
header {
  background-color: var(--header-background);
  color: var(--header-text);
  background: var(--header-background) url('../images/header-bg.jpg') no-repeat center center; 
  background-size: cover;
  margin: 0;
  padding: 0;
}

#top-logo {
  padding: 4rem 1rem;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

#top-logo img {
  width: 100%;
  height: auto;
}


/* end header */

/* navigation start */
#menu-toggle {
  position: absolute;
  top: 8px;
  right: 15px;
  width: 25px;
  height: 25px;
}

#main-header nav {
  min-height: 40px;
}
#menu-toggle .menu-line {
  fill:var(--nav-text);
  visibility: visible;
}
.sm-active #menu-toggle .menu-line {
  visibility: hidden;
}
#menu-toggle .menu-x {
  fill: var(--nav-text);
  visibility: hidden;
}
.sm-active #menu-toggle .menu-x {
  visibility: visible;
}

#main-header nav ul {
  display: none;
}

#main-header.sm-active nav ul {
  display: block;
}
#main-header nav {
  position: relative;
  background-color: var(--nav-background);
  color: var(--nav-text);
}
#main-header nav a {
  font-family: var(--navingation-font);
  font-weight: bold;
  color: var(--nav-text);
}

#main-header nav a:hover {
  color: var(--light);
}

#main-header nav > ul, #main-header nav > ul > li > ul  {
  list-style-type: none;
  margin-block-start: 0;
  margin-block-end: 0;
  padding-inline-start: 1rem;
}

#main-header nav > ul > li > ul {
  padding: 0.75rem;
}

@media (min-width:1024px) {
  #main-header nav ul {
    display: block;
  }
  #menu-toggle {
    display: none;
  }
  #main-header > nav > ul {
    margin: 0 auto;
    text-align: center;
  }
  #main-header > nav > ul > li {
    display: inline-block;
    border-bottom: 0;
    text-align: center;
    padding: 0.75rem 2rem;
  }
  #main-header > nav li.nav-sections > a {
    display: none;
  }
}



/* navigation end */




.clearfix:after {
  content: ".";
  display: block;
  clear: both;
  visibility: hidden;
  line-height: 0;
  height: 0;
}
 
.clearfix {
  display: block;
}

/* main content section  */


section.main {
  display: inline-block;
  padding-top: 1rem;
  width: 100%;
  min-height: 60vh;
  
}

@media (min-width: 728px) {
  section.main {
    display: inline-block;
    padding: 1rem 1rem 1rem 15px;
    width: calc(100vw - 145px);
  }
}

@media (min-width: 1140px) {
  section.main {
    padding-top: 2rem;
    padding-bottom: 2rem;
    padding-left: calc((100vw - 850px) /2);
    max-width: calc(850px + ((100vw - 850px) /2));
  }
}

.split-content {
  display: table;
  box-sizing: border-box;
}
.split-content-elem-left {
  vertical-align: top;
  display: table-cell;
  width: 50%;
  padding: 0 1rem 1rem 0;
}

.split-content-elem-right {
  vertical-align: top;
  display: table-cell;
  width: 50%;
  padding: 0 0 1rem 1rem;
}

.image-area {
  float: left;
  display: inline-block;
  width: 33%;
  box-sizing: border-box;
  padding: 0.5rem 1.5rem 0.5rem  0;
}

.page-bio .image-area {
  width: 25%;
}

.section-bio .image-area, .section-news .image-area {
  width: 25%;
}

.section-publications .image-area {
  float: right;
  width: 25%;
  padding: 0.5rem 0 0.5rem 1.5rem;
}

.image-area img {
  width: 100%;
  height: auto;
}
.section-news-article {
  clear: both;
  padding: 0.5rem 0;
  border-bottom: .5px solid var(--dark);
}

.clearfix:after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: " ";
  clear: both;
  height: 0;
}
/* footer */

footer {
  background-color: var(--footer-background);
  padding: 1rem;
  color: var(--footer-text);
}

footer p, footer a, footer h4 {
  color: var(--footer-text);
  text-align: center;
}

/* footer nav start */
footer nav > ul {
  display: block;
  text-align: center;
}
footer > nav > ul {
  margin: 0 auto;
  text-align: center;
}
footer > nav > ul > li {
  display: inline-block;
  text-align: center;
  font-size: 0.8rem;
  padding: 0 2rem;
}
footer nav {
  padding-bottom: 3rem;
}
footer p {
  font-size: 0.8rem;
}
/* footer nav end */

@media (min-width: 1024px) {

}