body {
  font-family: 'Inter', Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at center, #2b2b2b 0%, #0f0f0f 100%);
  color: #e0e0e0;
  text-align: center;
}

header, .tab, .flex-container div, .social-icons, nav {
  text-align: center;
}

header {
  padding: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

header h1 { color: #ffffff; margin:0; }

nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}

nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

nav a:hover { color: #bbbbbb; }

nav a.active {
  color: #66ccff;
  border-bottom: 2px solid #66ccff;
  padding-bottom: 2px;
}

.tab {
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  transition: opacity 0.3s ease-in-out;
}

.tab.active {
  opacity: 1;
  visibility: visible;
  position: relative;
  padding-bottom: 3rem;
}

.flex-container {
  display:flex;
  flex-direction: column;
  gap:2rem;
  align-items:center;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
  justify-items: center;
}

.gallery img {
  width: 100%;
  max-width: 400px;
  border-radius: 8px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.gallery img:hover {
  transform: scale(1.05);
  box-shadow: 0 0 15px #66ccff;
}

.social-icons { text-align:center; margin:2rem; }
a { color:#66ccff; transition:0.3s; text-decoration: none; }
a:hover { color:#99ddff; }

body, p, li, .tab p, .flex-container p {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 1rem auto;
  line-height: 1.6;
  word-wrap: break-word;
}

h3, h4, small {
  line-height: 1.4;
  margin-bottom: 0.5rem;
  margin-top: 1.5rem;
}

hr {
  border: 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  margin: 2rem auto;
  width: 50%;
}