body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  background: #f5f6fa;
  color: #2b2d42;
}

.project-container {
  max-width: 1200px;
  margin: 0 auto;
  padding-bottom: 40px;
}

/* Hero Banner */
.project-hero {
  position: relative;
  height: 400px;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.project-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(65%);
}

.hero-overlay {
  position: absolute;
  bottom: 30px;
  left: 40px;
  color: #fff;
}

.hero-overlay h1 {
  font-size: 3rem;
  margin: 0;
}

.hero-overlay p {
  font-size: 1.3rem;
  margin-top: 5px;
  opacity: 0.9;
}

/* Main Content */
.project-main {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 40px;
  align-items: flex-start;
}

.project-thumbnail img {
  width: 100%;
  max-width: 450px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.project-info {
  flex: 1;
  min-width: 300px;
}

.project-info h2 {
  margin-top: 0;
  font-size: 2rem;
  color: #1a1a2e;
}

.project-info p {
  line-height: 1.6;
  margin-bottom: 15px;
}

.project-meta p {
  margin: 8px 0;
  font-size: 0.95rem;
}

/* Horizontal Gallery */
.project-gallery {
  margin-top: 50px;
}

.project-gallery h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.gallery-images {
  display: flex;
  gap: 15px;
  overflow-x: auto;
  padding-bottom: 10px;
}

.gallery-images img {
  flex: 0 0 auto;
  height: 250px;
  border-radius: 8px;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}

.gallery-images img:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

/* Footer */
.project-footer {
  text-align: center;
  margin-top: 40px;
}

.back-btn {
  display: inline-block;
  padding: 12px 24px;
  background: #2b2d42;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.3s;
}

.back-btn:hover {
  background: #007bff;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.9);
}

.lightbox-content {
  display: block;
  margin: 5% auto;
  max-width: 90%;
  max-height: 80%;
  border-radius: 10px;
}

.lightbox .close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

.lightbox .close:hover {
  color: #bbb;
}

/* Project Description List */
.project-description {
  list-style-type: disc;
  padding-left: 25px;
  margin-bottom: 25px;
  line-height: 1.7;
}

.project-description li {
  margin-bottom: 10px;
  color: #2b2d42;
}

/* GitHub Button */
.github-btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: #5a40e0;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  transition: background-color 0.3s, transform 0.2s;
  margin-bottom: 20px;
}

.github-btn:hover {
  background-color: #4732b6;
  transform: translateY(-2px);
}