@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

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

body {
  font-family: 'Inter', sans-serif;
  
  background: linear-gradient(to bottom right, #1e1e1e, #2d2d30, #1a1a2e);
  color: #d4d4d4;                /* VS Code default text */
  line-height: 1.7;
  font-size: 14px;
}

/* ===== HEADER / HERO SECTION ===== */

header {
  background-color: #252526;
  text-align: center;
  /* padding: 30px 30px; */
}

.main-banner {
  background-image: url('../images/uark.jpg');
  background-size: cover;
  /* background-size: auto 100%; */
  background-position: center;
  height: 185px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.main-overlay {
  width: 100%;
  background: linear-gradient(to right, rgb(35, 35, 35), transparent);
  padding-top: 80px;
  padding-bottom: 50px;
}


.hero-banner {
  background-image: url('../images/lab.jpg');
  background-size: cover;
  background-position: center;
  height: 400px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.hero-overlay {
  
  width: 100%;
  background: linear-gradient(to right, rgb(5, 5, 5), transparent);
  padding: 5px 10px;
}

.hero-text{
  text-align: center;
  color: whitesmoke;
}


/* ===== NAVIGATION ===== */
nav {
  position: sticky;
  top: 0;
  z-index: 999;
  background-color: #2d2d30;
  padding: 5px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
}

nav .menu {
  display: flex;
  justify-content: center;
  gap: 2px;
  flex-wrap: wrap;
}

nav a {
  color: #d4d4d4;
  text-decoration: none;
  font-weight: 600;
  padding: 5px 30px;
  border-radius: 6px;
  transition: background 0.3s;
}

nav a:hover {
  background-color: #3c3c3c;
}

nav a.active {
  background-color: #569cd6;
  color: #ffffff;
}

/* ===== HAMBURGER MENU (Mobile) ===== */
.hamburger {
  display: None;
  position: absolute;
  top: 0px;
  /* right: 20px; */

  font-size: 26px;
  color: #d4d4d4;
  background: none;
  border: none;
  cursor: pointer;
}

/* ===== MAIN CONTENT ===== */
main {
  padding: 5px; /* top right bottom left; */
  background-color: #1e1e1e;     
  max-width: 1080px;
  margin: auto;
}

section {
  margin-top: 20px;
  /* margin-bottom: 5px; */
  /* padding: 10px; */
  margin-left: 5px;
  margin-right: 5px;
}

h2, h3, h4, h5 {
  /* margin-bottom: 16px; */
  color: #569cd6;
  /* font-weight: 600; */
  margin-top: 20px;
  margin-bottom: 15px;
}

p, li {
  margin-bottom: 12px;
  color: #dcdcdc;
}
 
/* ===== NEWS BOX ===== */
.news {
  background-color: #2d2d30;
  border-left: 4px solid #6a9955;
  border-radius: 6px;
  margin-top: 5px;
  padding-top: 5px;
  padding-bottom: 5px;
}

/* ===== FOOTER ===== */
footer {
  background-color: #252526;
  color: #999999;
  text-align: center;
  padding: 10px;
  border-top: 1px solid #3c3c3c;
}

.sticky-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(to right, #f3e8ff, #d6bcfa); 
}



a {
  color: #569cd6;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover,
a:focus {
  color: #9cdcfe;
  text-decoration: underline;
}

a:visited {
  color: #c586c0;
}

a:active {
  color: #ce9178;
}

.photo{
  width: 250px;
  border-radius: 10px;
  margin-top: 10px;
  background: linear-gradient(to bottom right, rgba(255, 255, 255, 0.6), rgba(30, 30, 30, 0.8));
}

.name{
  font-weight: bold;
  font-size: 16px;
  padding-top: 5px;
  padding-left: 75px;
}

.directory_people{
  margin-top: 25px;
}



/*    Mobile          */
@media (max-width: 768px) {

  nav {
    padding: 0px;
    margin-top: -5px;
    /* position: relative; */
    
  }

  .row{
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .col-sm12 .col-md-6 {
    display: flex;
    align-items: center; /* vertically center items */
    justify-content: center; /* or center, flex-start, etc. */
  }

  .menu {
    display: none;
    flex-direction: column;
    align-items: center;
    background-color: #2d2d30;
    width: 100%;
	  display: flex; /*Keep menu shown initially */
    position: fixed;

    width: 60%;
    z-index: 10;
    padding: 1rem;
    border-radius: 0 0 0 10px;
    box-shadow: -2px 2px 10px rgba(0, 0, 0, 0.3);
  }
  
   .menu:not(.active) {
    display: none; /* Only hide if active is removed by toggle */
  }

  .menu.active {
    display: flex;
  }

  .hamburger {
    display: block;
    margin-top: -50px;
    margin-left: 5px;
  }

  nav a {
    width: 100%;
    text-align: center;
    border-top: 1px solid #3c3c3c;
  }

  nav a:first-child {
    border-top: none;
  }

  .main-banner {
    background-size: 110% 100%;
    background-position: center;
    height: 100px;
  }

  .main-overlay {
    /* padding-top: 20px; */
    padding-bottom: 5px;
  }

  main {
    padding: 2px; /* top right bottom left; */
  }

  section {
    padding: 0px;
    margin-left: 5px;
    margin-right: 5px;
    margin-top: 20px;
    /* margin-bottom: 20px; */
  }
}

.image-project{
  width: 100%;
  height: 200px;
  border-radius: 5px;
  margin-bottom: 5px;
}