/* ------------------------------
   GLOBAL STYLES
--------------------------------*/
body {
  background-color: #0d0d0d;
  color: #ffffff;
  font-family: 'Rajdhani', sans-serif;
  margin: 0;
  padding: 0;
}

a {
  color: #00c8ff;
  text-decoration: none;
  font-weight: bold;
}

a:hover {
  color: #4de3ff;
}

/* Neon glow text */
.neon {
  text-shadow: 0 0 5px #00c8ff,
               0 0 10px #00c8ff,
               0 0 20px #00c8ff;
}

/* Buttons */
.button {
  background: #00c8ff;
  color: #0d0d0d;
  padding: 12px 20px;
  border-radius: 6px;
  font-weight: bold;
  display: inline-block;
  transition: 0.2s;
}

.button:hover {
  background: #4de3ff;
}

/* Section titles */
.section-title {
  font-size: 32px;
  margin-bottom: 10px;
  color: #00c8ff;
  text-shadow: 0 0 10px #00c8ff;
}

/* ------------------------------
   HEADER
--------------------------------*/
header {
  background: #0d0d0d;
  border-bottom: 2px solid #00c8ff;
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 100;
}

header .wrap {
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  flex-wrap: nowrap;
}

nav {
  display: flex;
  gap: 25px;
}

/* ------------------------------
   LOGO FIX (logo.png)
--------------------------------*/
.logo {
  height: 60px;
  width: auto;
  display: block;
}

/* ------------------------------
   CONTENT IMAGES
--------------------------------*/
.content-image {
  width: 100%;
  border-radius: 10px;
}

/* ------------------------------
   CARDS
--------------------------------*/
.card {
  background: #1a1a1a;
  border: 1px solid #00c8ff;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
  box-shadow: 0 0 10px #00c8ff33;
}

/* ------------------------------
   FLEX LAYOUTS
--------------------------------*/
.flex {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

/* ------------------------------
   SECTIONS
--------------------------------*/
section {
  padding: 40px;
}

/* ------------------------------
   FOOTER
--------------------------------*/
footer {
  background: #0d0d0d;
  border-top: 2px solid #00c8ff;
  padding: 20px;
  text-align: center;
}

footer .logo {
  height: 50px;
}

/* ------------------------------
   TABLES (Challenges Page)
--------------------------------*/
table {
  width: 100%;
  border-collapse: collapse;
  color: #ffffff;
}

table th {
  background: #00c8ff;
  color: #0d0d0d;
  padding: 10px;
}

table td {
  padding: 10px;
}

table tr:nth-child(even) {
  background: #1a1a1a;
}
@keyframes neonPulse {
  0% { text-shadow: 0 0 5px #00c8ff, 0 0 10px #00c8ff; }
  50% { text-shadow: 0 0 20px #4de3ff, 0 0 40px #4de3ff; }
  100% { text-shadow: 0 0 5px #00c8ff, 0 0 10px #00c8ff; }
}

.neon {
  animation: neonPulse 2s infinite alternate;
}