@import url('https://fonts.googleapis.com/css2?family=Lato:wght@400;700&display=swap');

body {
  margin: 0;
  font-family: 'Lato', sans-serif;
  background: linear-gradient(rgba(10, 30, 60, 0.8), rgba(5, 15, 40, 0.9)),
    url('https://images.pexels.com/photos/256261/pexels-photo-256261.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=750&w=1260') no-repeat center center fixed;
  background-size: cover;
  color: #e6e9f0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 50px 15px;
}

.main-container {
  background-color: rgba(20, 40, 70, 0.85);
  max-width: 880px;
  padding: 45px 55px;
  border-radius: 16px;
  box-shadow: 0 0 45px rgba(15, 35, 65, 0.8);
  animation: slideUpFade 1.5s ease forwards;
}

header {
  text-align: center;
  margin-bottom: 35px;
}

h1 {
  font-weight: 700;
  font-size: 3rem;
  letter-spacing: 1.5px;
  color: #a1c9f1;
  margin-bottom: 10px;
  text-shadow: 0 0 12px #7a9dbf;
}

.back-link {
  font-weight: 600;
  font-size: 1.15rem;
  color: #a1c9f1;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.3s ease;
  display: inline-block;
  margin-top: 10px;
}
.back-link:hover {
  border-bottom: 2px solid #a1c9f1;
}

h2 {
  color: #accdfd;
  border-bottom: 2.5px solid #7aa9ff;
  padding-bottom: 7px;
  margin-top: 40px;
  margin-bottom: 22px;
  font-weight: 700;
}

.content p,
.properties ul {
  font-size: 1.18rem;
  line-height: 1.65;
  max-width: 720px;
  margin: 0 auto;
}

.properties ul {
  list-style-type: circle;
  padding-left: 28px;
}

.properties li {
  margin-bottom: 13px;
}

.video-section iframe {
  display: block;
  margin: 30px auto;
  width: 100%;
  max-width: 560px;
  height: 315px;
  border-radius: 14px;
  box-shadow: 0 0 35px #7aa9ff66;
}

/* Animations */
@keyframes slideUpFade {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}