html {
  scroll-behavior:smoooth;
}

body {
  background: linear-gradient(120deg, #bcd2f2, #e3edf9);
  font-family: "Segoe UI", sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100dvh;
  overflow: hidden;
}

.window {
  width: 90%;
  max-width: 1100px;
  height: 95%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.window-body {
  flex: 1;
  display: flex;
  overflow: hidden;
  background: linear-gradient(#d9e3f0, #b6c7de);
}

.main-panel {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  background: linear-gradient(#f7faff, #dde6f4);
}
.main-panel h1 {
  font-size: 1.6em;
  color: #20427a;
  margin-bottom: 10px;
}
.main-panel p.intro {
  margin-bottom: 25px;
  line-height: 1.5em;
}


.section {
  margin-bottom: 30px;
}
.section h2 {
  background: linear-gradient(#7da2d6, #4b6ba8);
  color: #fff;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 1.05em;
  margin-bottom: 12px;
  padding-left:2.5%;
}


.image-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}
.image-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  width: 100%;
  max-width: 900px;
  margin-bottom: 25px;
  background: none;
  border: none;
  position: relative;
}

.image-item img {
  width: 45%;
  height: auto;
  border-radius: 8px;
  border: 2px solid #9db6e0;
  transition: transform 0.3s ease;
  cursor: pointer;
}

.image-item:hover img {
  transform: scale(1.03);
}

.image-item .caption {
  width: 50%;
  color: #20427a;
  font-size: 1.1em;
  line-height: 1.4em;
  text-align: justify;
  background: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.image-item:hover .caption {
  opacity: 1;
  transform: translateY(0);
}


  body {
    margin: 0;
    height: 100vh;
    overflow: hidden;
    background: #f0f0f0;
  }

  .bubble {
    position: absolute;
    width: 40px;
    height: 40px;
    background: url("multimedia/images/bubble.png") no-repeat center center;
    background-size: contain;
    pointer-events: none;
    transform: translate(-50%, -50%);
    animation: fadeOut 1s forwards;
  }



  @keyframes fadeOut {
    to {
      opacity: 0;
      transform: translate(-50%, -50%) scale(0);
    }
  }