@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@400;700&display=swap');
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Merriweather', serif;
}

body {
  background: linear-gradient(to bottom, #0f2027, #203a43, #2c5364);
  color: #f0f0f0;
  font-family: 'Segoe UI', sans-serif;
  padding: 40px 16px;
  line-height: 1.6;
}

header {
  background: linear-gradient(to bottom, #0f2027, #203a43, #2c5364);
  padding: 30px 24px;
  border-radius: 16px;
  max-width: 700px;
  margin: 40px auto;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  animation: fadeSlideDown 0.8s ease-out;
  position: relative;
  transition: box-shadow 0.3s, transform 0.3s;
}

header::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: linear-gradient(to bottom, #0f2027, #203a43, #2c5364);
  opacity: 0.08;
  z-index: 0;
  pointer-events: none;
}

header:hover {
  box-shadow: 0 12px 30px rgba(108, 92, 231, 0.25);
  transform: translateY(-2px);
}

header > * {
  position: relative;
  z-index: 1;
}

@keyframes fadeSlideDown {
  0% {
    opacity: 0;
    transform: translateY(-20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

header .message {
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 12px;
  color: #1de9b6;
}

header .small {
  font-size: 1rem;
  color: #bbbbbb;
}

header .small a {
  color: #6c5ce7;
  text-decoration: underline;
  transition: color 0.2s;
}

header .small a:hover {
  color: #a29bfe;
}

.loading {
  font-size: 2.5rem;
  margin-top: 20px;
  animation: rotate360 2s linear infinite;
}

@keyframes rotate360 {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

main {
  max-width: 1200px;
  margin: 0 auto;
}

h1 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 24px;
  color: #6c5ce7;
}

.intro {
  text-align: center;
  font-size: 1.1rem;
  margin: 0 auto 48px;
  max-width: 850px;
  color: #cccccc;
  padding: 0 10px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  padding: 0 10px;
}

.card {
  background-color: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.card img {
  width: 100%;
  height: auto;
  display: block;
  border-bottom: 1px solid #333;
}

.caption {
  padding: 14px 16px;
  font-size: 1.05rem;
  color: #dddddd;
  text-align: center;
}

@media (max-width: 480px) {
  header .message {
    font-size: 1.4rem;
  }

  .loading {
    font-size: 2rem;
  }

  h1 {
    font-size: 1.6rem;
  }

  .intro {
    font-size: 1rem;
  }

  .caption {
    font-size: 0.95rem;
  }
}