/* ===== Announcement Styling (Verzija 5.0) ===== */
.announcement-container {
  max-width: 950px;
  margin: 60px auto;
  background: #ffffff;
  border-radius: 22px;
  padding: 50px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  font-family: "Segoe UI", Roboto, sans-serif;
  color: #2c3e50;
  animation: fadeIn 0.9s ease-in-out;
}

.announcement-container h1 {
  text-align: center;
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 25px;
  color: #0d47a1;
}

.announcement-container .intro {
  text-align: center;
  font-size: 1.2rem;
  margin-bottom: 40px;
  color: #444;
  line-height: 1.8;
}

.announcement-container h2 {
  font-size: 1.6rem;
  margin: 40px 0 20px;
  font-weight: 700;
  text-align: center;
  color: #1565c0;
  border-bottom: 2px solid #90caf9;
  display: inline-block;
  padding-bottom: 6px;
}

.announcement-container p {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 15px;
  color: #555;
}

.announcement-container ul {
  list-style: none;
  padding: 0;
  max-width: 700px;
  margin: 0 auto 20px;
}

.announcement-container ul li {
  background: #f4f7ff;
  margin: 10px 0;
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 1.05rem;
  transition: all 0.25s ease;
  border-left: 4px solid #64b5f6;
}

.announcement-container ul li:hover {
  transform: translateX(5px);
  background: #e3f2fd;
  border-left: 4px solid #1e88e5;
}

/* ===== Photo & Graph Spaces ===== */
.photo-space,
.graph-space {
  border: 2px dashed #b0bec5;
  border-radius: 14px;
  text-align: center;
  color: #78909c;
  font-style: italic;
  padding: 25px;
  margin: 25px auto;
  transition: 0.3s ease-in-out;
  max-width: 700px;
  overflow: hidden;
}

.photo-space:hover,
.graph-space:hover {
  background: #f5fafd;
  color: #455a64;
}

.photo-space img,
.graph-space img {
  max-width: 100%;
  height: auto;
  cursor: pointer;
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.photo-space img:hover,
.graph-space img:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 28px rgba(0,0,0,0.25);
}

/* ===== Image Overlay for Lightbox ===== */
.image-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.image-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.image-overlay img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  object-fit: contain;
  cursor: pointer;
}

/* ===== Thank You Section ===== */
.thank-you {
  text-align: center;
  margin-top: 60px;
  font-size: 1.3rem;
  font-weight: 500;
  color: #37474f;
  line-height: 1.9;
  border-top: 1px dashed #ccc;
  padding-top: 30px;
}

.thank-you strong {
  display: block;
  margin-top: 12px;
  font-size: 1.4rem;
  color: #0d47a1;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from {opacity: 0; transform: translateY(15px);}
  to {opacity: 1; transform: translateY(0);}
}