.tn-footer {
  position: relative;
  padding: 90px 20px 25px;
  background: radial-gradient(circle at top, #0b1220, #05070f);
  color: #fff;
  overflow: hidden;
  border-top-left-radius: 60px;
  border-top-right-radius: 60px;
}

/* Moving glow */
.tn-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: #4da3ff;
  opacity: 0.25;
  filter: blur(140px);
  animation: floatGlow 6s ease-in-out infinite alternate;
}

@keyframes floatGlow {
  0% { transform: translateX(-50%) translateY(0px); }
  100% { transform: translateX(-50%) translateY(40px); }
}

.tn-container {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

/* Glass cards */
.tn-col {
  flex: 1;
  min-width: 240px;
  padding: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(77,163,255,0.15);
  border-radius: 18px;
  backdrop-filter: blur(12px);
  transition: 0.3s;
}

.tn-col:hover {
  transform: translateY(-5px);
  border-color: rgba(77,163,255,0.5);
  box-shadow: 0 0 25px rgba(77,163,255,0.15);
}

.tn-col h2 {
  font-size: 26px;
  color: #4da3ff;
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.tn-col h3 {
  margin-bottom: 15px;
  position: relative;
}

.tn-col h3::after {
  content: "";
  width: 40px;
  height: 3px;
  background: #4da3ff;
  position: absolute;
  left: 0;
  bottom: -8px;
  border-radius: 5px;
}

.tn-col p {
  color: #b9c3d6;
  line-height: 1.6;
}

/* Links */
.tn-col ul {
  list-style: none;
  padding: 0;
}

.tn-col ul li {
  margin: 12px 0;
}

.tn-col ul li a {
  color: #b9c3d6;
  text-decoration: none;
  transition: 0.3s;
}

.tn-col ul li a:hover {
  color: #4da3ff;
  padding-left: 8px;
}

/* Social */
.tn-social {
  margin-top: 15px;
}

.tn-social a {
  display: inline-block;
  width: 42px;
  height: 42px;
  margin-right: 8px;
  border-radius: 50%;
  text-align: center;
  line-height: 42px;
  color: #4da3ff;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(77,163,255,0.3);
  transition: 0.3s;
}

.tn-social a:hover {
  background: #4da3ff;
  color: #000;
  box-shadow: 0 0 20px #4da3ff;
  transform: translateY(-4px) scale(1.05);
}

/* Bottom */
.tn-bottom {
  margin-top: 60px;
  padding-top: 15px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  color: #7f8aa3;
}

.scroll-top {
  cursor: pointer;
  color: #4da3ff;
  transition: 0.3s;
}

.scroll-top:hover {
  text-shadow: 0 0 15px #4da3ff;
  transform: translateY(-3px);
}