/* GLOBAL RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background-color: #f4f4f4;
  padding-top: 80px; /* Prevent content from sliding under fixed navbar */
}

/* ---------------------------------------------------------------------------------- */
/* NAVIGATION BAR */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #fff;
  padding: 15px 30px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* Logo Section with Animation */
.navbar .logo {
  display: flex;
  align-items: center;
  font-size: larger;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.navbar .logo:hover {
  transform: scale(1.05);
}

.navbar .logo img {
  height: 40px;
  margin-right: 10px;
  transition: transform 0.3s ease;
}

.navbar .logo:hover img {
  transform: rotate(-2deg) scale(1.05);
}

/* Navigation Links */
.navbar .nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}

.navbar .nav-links li a {
  text-decoration: none;
  color: #333;
  font-weight: bold;
  position: relative;
  padding: 5px 0;
}

.navbar .nav-links li a:hover,
.navbar .nav-links li a.active {
  color: #1e90ff;
}

.navbar .nav-links li a::after {
  content: '';
  position: absolute;
  width: 0%;
  height: 2px;
  left: 0;
  bottom: -2px;
  background-color: #1e90ff;
  transition: width 0.3s ease;
}

.navbar .nav-links li a:hover::after,
.navbar .nav-links li a.active::after {
  width: 100%;
}

/* ---------------------------------------------------------------------------------- */
/* ANNOUNCEMENT BAR */
.announcement {
  /* position: fixed; */
  background-color: #eaf6ff;
  padding: 10px 30px;
  color: #0275d8;
  font-size: 16px;
}

/* ---------------------------------------------------------------------------------- */
/* BANNER SECTION */
.banner {
  max-width: fit-content;
  background-color: white;
  margin: 30px auto;
  padding: 30px;
  width: 80%;
  text-align: center;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.banner h2 {
  color: #900c3f;
  margin-bottom: 15px;
}

.banner img {
  width: 100%;
  border-radius: 10px;
  margin-top: 20px;
}

/* LAB INTRO SECTION */
.lab-intro {
  max-width: 1000px;
  margin: 50px auto;
  padding: 30px 40px;
  text-align: center;
}

.lab-intro h2 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 1px;
  color: #111;
  margin-bottom: 25px;
}

.lab-intro p {
  font-size: 16px;
  color: #333;
  line-height: 1.8;
  margin-bottom: 20px;
  text-align: justify;
}

.button-group {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  color: white;
  background-color: #0275d8;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: 0.3s ease;
}

.btn:hover {
  background-color: #025aa5;
}

/* LATEST NEWS SECTION */
.latest-news-section {
  padding: 40px 30px;
  background: #fff;
}

.latest-news-section h2 {
  margin-bottom: 15px;
  font-size: 22px;
  color: #333;
}

/* Horizontal scroll container */
.horizontal-scroll {
  display: flex;
  overflow-x: auto;
  gap: 20px;
  scroll-behavior: smooth;
  padding-bottom: 10px;
}

.horizontal-scroll::-webkit-scrollbar {
  height: 8px;
}

.horizontal-scroll::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 4px;
}

/* News Card */
.news-card {
  align-items: center;
  flex: 0 0 auto;
  min-width: 280px;
  max-width: 300px;
  background: #f9f9f9;
  border-radius: 10px;
  box-shadow: 0 0 8px rgba(0,0,0,0.1);
  padding: 15px;
}

.news-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 10px;
}

.news-card h4 {
  font-size: 18px;
  color: #007bff;
  margin-bottom: 5px;
}

.news-card p {
  font-size: 14px;
  color: #555;
}
/* Team members */
.team-section {
  padding: 50px 20px;
  text-align: center;
  background-color: #fff;
}

.section-title {
  font-size: 24px;
  margin-bottom: 30px;
  color: #111;
  font-weight: bold;
}

.section-divider {
  border: none;
  height: 1px;
  background-color: #ddd;
  margin: 40px auto;
  width: 80%;
}


.team-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-bottom: 50px;
}

.member-card {
  width: 150px;
  text-align: center;
}

.member-card img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  margin-bottom: 10px;
  transition: transform 0.3s ease;
}

.member-card img:hover {
  transform: scale(1.05);
}

.member-card h4 {
  font-size: 16px;
  margin-bottom: 5px;
  color: #007bff;
}

.member-card p {
  font-size: 14px;
  color: #555;
}
.research-proj {
  display: grid;
  justify-content: center;
}
.research-detail {
  max-width: 900px;
  margin: 60px auto;
  padding: 20px;
  background-color: #fdfdfd;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
  line-height: 1.7;
}

.research-detail h2 {
  font-size: 28px;
  color: #80003b; 
  margin-bottom: 20px;
  text-align: center;
}

.research-detail h3 {
  font-size: 22px;
  margin-top: 30px;
  color: #444;
}

.research-detail p {
  font-size: 18px;
  margin-bottom: 16px;
  text-align: justify;
}

.research-detail ul {
  padding-left: 20px;
  margin-top: 10px;
}

.research-detail li {
  margin-bottom: 18px;
  font-size: 16px;
}

.research-detail strong {
  color: #202020;
}

.research-image {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
  margin-bottom: 40px;
  padding-bottom: 20px;
}

.research-image img {
  max-width: 90%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease;
}

.research-image img:hover {
  transform: scale(1.02);
}
/* ===== Global Styles ===== */


/* ===== Main Container ===== */
#publications {
  width: 85%;
  max-width: 950px;
  margin: 40px auto;
  background: #fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

/* ===== Headings ===== */
#publications h1 {
  text-align: center;
  font-size: 2rem;              /* Large but not overwhelming */
  font-weight: 700;             /* Bold for emphasis */
  color: #1e3a8a;               /* Matches your h2 section color scheme */
  margin-bottom: 1.5rem;        /* Space below heading */
   padding-bottom: 0.5rem;       /* Gap between text and underline */
  font-family: 'Inter', 'IBM Plex Sans', sans-serif; /* Keep font consistent */
}


#publications h2 {
  color: #1e3a8a; /* deep blue */
  border-bottom: 3px solid #1d4ed8;
  padding-bottom: 8px;
  margin: 40px 0 20px;
  font-size: 1.5rem;
  font-weight: 600;
  text-align: left;
}

#publications h3 {
  color: #34495e; /* grayish-blue */
  margin-top: 28px;
  margin-bottom: 12px;
  font-size: 1.25rem;
  font-weight: 600;
}
/* 
.container h1 {
  text-align: center;
  font-size: 2.4rem;
  font-weight: 700;
  margin: 0px 0 10px; 
  color: #1e3a8a;
  font-family: 'Inter', 'IBM Plex Sans', sans-serif;
} */

/* ===== Publication Item (div.pub-item) ===== */
.publication-section {
  text-align: center;
}

.pub-item {
  margin-bottom: 18px;
  padding: 16px 20px;
  background: #f9fafb;
  border-left: 5px solid #3498db; /* Old blue accent */
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  font-size: 0.95rem; /* compact */
  line-height: 1.6;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.3s ease;
}

.pub-item:hover {
  background: #e8f4f8; /* Old hover background */
  transform: translateY(-2px);
  box-shadow: 0 3px 10px rgba(0,0,0,0.12);
}

/* ===== Inline Text Styles ===== */
.year {
  font-weight: 600;
  color: #2980b9; /* Old year blue */
  margin-right: 6px;
}

.journal-title {
  font-style: italic;
  color: #7f8c8d; /* Old journal gray */
}

.text-gray {
  color: #6b7280;
  font-size: 0.9rem;
}

/* ===== Notes & Awards ===== */
.sci-info,
.note-green {
  color: #27ae60; /* SCI green */
  font-weight: 600;
  margin-left: 6px;
}

.note-blue {
  color: #2563eb;
  font-weight: 600;
  margin-left: 6px;
}

.note-gray {
  color: #6b7280;
  font-style: italic;
  margin-left: 6px;
}

.award {
  color: #e67e22; /* amber/orange for awards */
  font-weight: 600;
  margin-left: 8px;
}


/* ---------------------------------------------------------------------------------- */
/* FOOTER SECTION */
.footer {
  background: linear-gradient(to bottom, #000000, #080838);
  color: white;
  text-align: center;
  padding: 30px 20px;
  font-family: 'Segoe UI', sans-serif;
  position: relative;
}

.footer-icons a {
  color: white;
  margin: 0 10px;
  margin-bottom: 50px;
  font-size: 20px;
  transition: color 0.3s;
}

.footer-icons a:hover {
  color: #f6f6f6;
}

.footer p {
  margin: 8px 0;
  font-size: 14px;
}

.footer a {
  color: #0095ff;
  text-decoration: underline;
}

.footer-settings {
  margin-top: 20px;
}
/* -------------------- Chatbot section -------------------- */
/* Floating Chatbot Button */
#chatbot-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #1e9c76;
  color: white;
  border: none;
  border-radius: 50px;
  padding: 10px 20px;
  cursor: pointer;
  font-weight: bold;
  z-index: 9999;
}

/* Chat Window */
#chatbot-window {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 300px;
  max-height: 400px;
  background: white;
  border: 1px solid #ccc;
  border-radius: 10px;
  display: none;
  flex-direction: column;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  z-index: 9999;
}

#chatbot-header {
  background: #1e9c76;
  color: white;
  padding: 10px;
  font-weight: bold;
  border-radius: 10px 10px 0 0;
}

#chatbot-messages {
  padding: 10px;
  flex: 1;
  overflow-y: auto;
  font-size: 14px;
}

#chatbot-input {
  display: flex;
  border-top: 1px solid #ccc;
}

#chatbot-input input {
  flex: 1;
  border: none;
  padding: 10px;
  outline: none;
}

#chatbot-input button {
  background: #1e9c76;
  border: none;
  color: white;
  padding: 10px;
  cursor: pointer;
}

/* -------------------- Demo JSON-file publication -------------------- */
.year { font-weight: bold; color: #444; }
.authors { font-style: italic; }
.title { font-weight: 600; }
.journal { color: #0066cc; }
.sci-info { color: green; }
.award { color: darkred; font-weight: bold; }