/* Reset */
html,
body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background: #000;
  color: #fff;
  overflow-x: hidden;
}

a {
  color: #80d4ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Particles background */
#particles-js {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background-color: #000;
}

/* Top Navigation Bar */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: transparent;
  z-index: 3;
  border-bottom: 1px solid #80d4ff;
  box-shadow: none;
  padding: 10px 20px;
  display: flex;
  justify-content: center;
}

.topbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.topbar nav a {
  color: #80d4ff;
  text-decoration: none;
  text-shadow: 1px 1px 2px #000;
  padding: 8px 12px;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(128, 212, 255, 0.2);
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));


}

.topbar nav a:hover {
  color: #ffffff;
  background-color: rgba(128, 212, 255, 0.1);
  border-bottom: 2px solid #80d4ff;
}

/* Hero section */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  box-sizing: border-box;
  padding-top: 80px;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.4);
  pointer-events: none;
}

.profile-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 3px solid #fff;
  object-fit: cover;
  box-shadow: 0 0 10px #fff;
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: 2.5em;
  margin: 10px 0;
}

.hero-content p {
  font-size: 1.2em;
  margin: 5px 0;
}

/* Main content sections */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 30px 20px 100px;
  line-height: 1.6;
}

/* Section headings */
section h2 {
  color: #80d4ff;
  border-bottom: 1px solid #80d4ff;
  padding-bottom: 5px;
  margin-bottom: 15px;
}

section ul {
  list-style-type: disc;
  padding-left: 20px;
}

section ul li {
  color: #fff;
  margin: 8px 0;
}

/* Footer */
footer {
  background-color: #000;
  color: #ccc;
  text-align: center;
  padding: 20px 10px;
  margin-top: 40px;
}

/* Footer logo images */
footer img {
  max-height: 120px;
  max-width: 160px;
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: 0.95;
  transition: opacity 0.3s;
}



/* Research Section */
.research {
  max-width: 900px;
  margin: 0 auto;
  padding: 30px 20px 100px;
  background-color: transparent;
  /* Let particles show through */
  line-height: 1.6;
}

.research-item {
  background-color: rgba(0, 0, 0, 0.5);
  /* semi-transparent overlay for readability */
  border: 1px solid #80d4ff;
  border-radius: 8px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 0 10px #80d4ff33;
}

.research-item img {
  width: 100%;
  max-width: 600px;
  /* nicely scaled on large screens */
  height: auto;
  border: 2px solid #80d4ff;
  border-radius: 6px;
  margin-bottom: 15px;
  box-shadow: 0 0 10px #80d4ff66;
}

.research-item p {
  color: #ccc;
  font-size: 1.1em;
  text-align: justify;
  max-width: 800px;
  margin: 0 auto;
}