@charset "UTF-8";

/* ========================================
   Base Styles
   ======================================== */
* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f2f2f2;
  margin: 0;
  padding: 0;
  font-style: normal;
  font-weight: 300;
  line-height: 1.6;
}

/* Container */
.container {
  width: 90%;
  max-width: 1400px;
  margin: 0 auto;
  background-color: #FFFFFF;
}

/* ========================================
   Header / Navigation
   ======================================== */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 10px 25px;
  background-color: darkorange;
  border-bottom: 1px solid darkorange;
}

.header-left {
  display: flex;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 50px;
  margin-right: 15px;
}

.logo {
  color: #fff;
  font-weight: bold;
  font-size: 16px;
  letter-spacing: 2px;
  margin: 0;
  white-space: nowrap;
}

nav ul {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
}

nav ul li {
  margin-left: 25px;
  font-size: 14px;
  font-weight: bold;
  letter-spacing: 2px;
  transition: all 0.3s linear;
}

nav ul li a {
  color: #FFFFFF;
  text-decoration: none;
}

nav ul li:hover a {
  color: #2C9AB7;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  background-color: #4a5568;
  padding: 80px 40px 60px;
  text-align: center;
}

.hero_header {
  color: #FFFFFF;
  font-size: 56px;
  font-weight: bold;
  letter-spacing: 6px;
  margin: 0 0 30px 0;
}

.hero_header .light {
  font-weight: 300;
  color: #d1d5db;
}

.affiliation {
  margin-bottom: 40px;
}

.affiliation-line1,
.affiliation-line2 {
  color: #FFFFFF;
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 2px;
  margin: 10px 0;
  text-transform: none;
}

.hero-img {
  max-width: 100%;
  margin-top: 30px;
  border-radius: 4px;
}

/* ========================================
   About / Research Section
   ======================================== */
.about {
  padding: 60px 40px;
  background-color: #FFFFFF;
}

.section-title {
  font-size: 36px;
  color: #2d3748;
  margin-bottom: 30px;
  border-bottom: 3px solid darkorange;
  padding-bottom: 10px;
}

.intro-text {
  font-size: 16px;
  color: #4a5568;
  line-height: 1.8;
  margin-bottom: 20px;
}

.research-list {
  color: #4a5568;
  margin-bottom: 50px;
  padding-left: 25px;
}

.research-list li {
  margin-bottom: 10px;
  line-height: 1.6;
}

/* Research Block - Left Image, Right Text */
.research-block {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 50px;
  padding: 30px;
  background-color: #f8fafc;
  border-radius: 8px;
  border-left: 4px solid darkorange;
}

.research-image {
  flex: 0 0 350px;
  max-width: 350px;
}

.research-image img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.research-text {
  flex: 1;
}

.research-text h3 {
  font-size: 22px;
  color: #2d3748;
  margin: 0 0 15px 0;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 10px;
}

.research-text p {
  font-size: 15px;
  color: #4a5568;
  line-height: 1.8;
  margin: 0;
  text-align: justify;
}

.recruitment-text {
  font-size: 20px;
  color: coral;
  line-height: 1.6;
  margin-top: 40px;
  padding: 20px;
  background-color: #fff5f0;
  border-radius: 8px;
  border: 2px solid coral;
}

/* ========================================
   Gallery Section
   ======================================== */
.gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  padding: 40px 20px;
  background-color: antiquewhite;
}

.gallery img {
  height: 200px;
  width: auto;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  transition: transform 0.3s ease;
}

.gallery img:hover {
  transform: scale(1.05);
}

/* ========================================
   PI Section (Banner)
   ======================================== */
.banner {
  background-color: #0A2B03;
  padding: 60px 40px;
}

.banner-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  max-width: 900px;
  margin: 0 auto;
}

.pi-photo img {
  width: 250px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.pi-info {
  color: #FFFFFF;
}

.pi-name {
  font-size: 36px;
  margin: 0 0 10px 0;
  letter-spacing: 2px;
}

.pi-degree {
  font-size: 24px;
  font-weight: 300;
  margin: 0 0 30px 0;
  color: #d1d5db;
}

.pi-position,
.pi-affiliation,
.pi-university {
  font-size: 18px;
  font-weight: 300;
  line-height: 1.6;
  margin: 5px 0;
}

/* ========================================
   Publications Section
   ======================================== */
.footer_banner {
  background-color: #4a5568;
  padding: 60px 40px;
}

.section-header {
  color: #FFFFFF;
  font-size: 30px;
  text-align: center;
  letter-spacing: 4px;
  margin: 0 0 40px 0;
}

.publication-list {
  list-style: none;
  padding: 0;
  max-width: 1000px;
  margin: 0 auto;
}

.publication-list li {
  color: #FFFFFF;
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 15px;
  padding: 15px;
  background-color: rgba(255,255,255,0.1);
  border-radius: 4px;
}

/* ========================================
   Footer Section
   ======================================== */
footer {
  display: flex;
  flex-wrap: wrap;
  background-color: #FFFFFF;
  padding: 40px 20px;
  justify-content: center;
  align-items: flex-start;
}

.footer_column {
  flex: 1;
  min-width: 250px;
  text-align: center;
  padding: 20px;
}

.footer_column h3 {
  color: #718096;
  font-size: 18px;
  margin-bottom: 20px;
}

.footer_column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer_column li {
  color: #4a5568;
  font-size: 14px;
  line-height: 1.8;
}

/* Google Map */
.map-column {
  flex: 1.5;
  min-width: 300px;
  max-width: 450px;
}

.map-container {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.map-container iframe {
  display: block;
}

/* ========================================
   Copyright
   ======================================== */
.copyright {
  text-align: center;
  padding: 20px;
  background-color: #2d3748;
  color: #FFFFFF;
  text-transform: uppercase;
  font-weight: 300;
  letter-spacing: 2px;
  font-size: 14px;
}

/* ========================================
   Utility Classes
   ======================================== */
.hidden {
  display: none;
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
  .research-block {
    flex-direction: column;
  }
  
  .research-image {
    flex: none;
    max-width: 100%;
    text-align: center;
  }
  
  .research-image img {
    max-width: 400px;
  }
  
  .banner-content {
    flex-direction: column;
    text-align: center;
  }
  
  .pi-info {
    text-align: center;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .container {
    width: 100%;
  }
  
  header {
    flex-direction: column;
    padding: 15px;
  }
  
  .header-left {
    margin-bottom: 15px;
  }
  
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  nav ul li {
    margin: 5px 10px;
  }
  
  .hero {
    padding: 40px 20px;
  }
  
  .hero_header {
    font-size: 36px;
  }
  
  .affiliation-line1,
  .affiliation-line2 {
    font-size: 16px;
  }
  
  .about {
    padding: 40px 20px;
  }
  
  .section-title {
    font-size: 28px;
  }
  
  .research-block {
    padding: 20px;
    gap: 20px;
  }
  
  .research-text h3 {
    font-size: 18px;
  }
  
  .gallery img {
    height: 150px;
  }
  
  .banner {
    padding: 40px 20px;
  }
  
  .pi-photo img {
    width: 200px;
  }
  
  .pi-name {
    font-size: 28px;
  }
  
  .pi-degree {
    font-size: 20px;
  }
  
  .footer_banner {
    padding: 40px 20px;
  }
  
  .section-header {
    font-size: 24px;
  }
  
  footer {
    flex-direction: column;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero_header {
    font-size: 28px;
    letter-spacing: 3px;
  }
  
  .affiliation-line1,
  .affiliation-line2 {
    font-size: 14px;
  }
  
  .research-image img {
    max-width: 100%;
  }
  
  .gallery img {
    height: 120px;
  }
}