.fullstack-portal-btn {
  position: absolute;
  right: 150px;
  top: 110px;
  display: inline-flex;
  align-items: center;
  gap: 15px;
  padding: 12px 20px;
  background: linear-gradient(
    135deg,
    rgba(0, 255, 140, 0.1) 0%,
    rgba(0, 255, 255, 0.1) 50%,
    rgba(138, 43, 226, 0.1) 100%
  );
  border: 2px solid green;
  border-radius: 50px;
  text-decoration: none;
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  font-weight: 600;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
  box-shadow: 0 0 20px rgba(0, 255, 140, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.fullstack-portal-btn::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(
    45deg,
    #00ff8c,
    #00ffff,
    #8a2be2,
    #ff1493,
    #00ff8c
  );
  border-radius: 50px;
  z-index: -1;
  animation: portal-border 3s linear infinite;
}

@keyframes portal-border {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.portal-ring {
  position: relative;
  width: 40px;
  height: 40px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: portal-spin 4s linear infinite;
}

.portal-inner {
  width: 30px;
  height: 30px;
  border: 1px solid rgba(0, 255, 255, 0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: portal-spin-reverse 3s linear infinite;
}

.portal-core {
  width: 20px;
  height: 20px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: portal-pulse 2s ease-in-out infinite;
}

.portal-core i {
  font-size: 12px;
  color: #0a0e1a;
  animation: portal-icon-float 2s ease-in-out infinite;
}

@keyframes portal-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes portal-spin-reverse {
  from {
    transform: rotate(360deg);
  }
  to {
    transform: rotate(0deg);
  }
}

@keyframes portal-pulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 10px rgba(0, 255, 140, 0.5);
  }
  50% {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 255, 140, 0.8);
  }
}

@keyframes portal-icon-float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-2px);
  }
}

.portal-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.portal-label {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: linear-gradient(45deg, var(--accent) 0%, #00ffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.portal-sublabel {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.portal-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  border-radius: 50px;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0;
  animation: particle-float 3s infinite;
}

.particle:nth-child(1) {
  left: 20%;
  animation-delay: 0s;
}

.particle:nth-child(2) {
  left: 40%;
  animation-delay: 0.5s;
}

.particle:nth-child(3) {
  left: 60%;
  animation-delay: 1s;
}

.particle:nth-child(4) {
  left: 80%;
  animation-delay: 1.5s;
}

@keyframes particle-float {
  0% {
    bottom: 0;
    opacity: 0;
    transform: translateX(0px) scale(0);
  }
  20% {
    opacity: 1;
    transform: translateX(10px) scale(1);
  }
  80% {
    opacity: 1;
    transform: translateX(-10px) scale(1);
  }
  100% {
    bottom: 100%;
    opacity: 0;
    transform: translateX(0px) scale(0);
  }
}

/* Hover Effects */
.fullstack-portal-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 30px rgba(0, 255, 140, 0.4),
    0 0 40px rgba(0, 255, 255, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.fullstack-portal-btn:hover .portal-ring {
  animation-duration: 2s;
  border-color: #00ffff;
}

.fullstack-portal-btn:hover .portal-core {
  animation-duration: 1s;
  background: radial-gradient(circle, #00ffff 0%, transparent 70%);
}

.fullstack-portal-btn:hover .particle {
  animation-duration: 1.5s;
}

.fullstack-portal-btn:active {
  transform: translateY(-1px) scale(1.02);
}

/* Responsive */
@media (max-width: 768px) {
  .fullstack-portal-btn {
    position: relative;
    right: 0;
    top: 0;
    left: 30px;
    margin: 20px 20px 0 0;
    transform: none;
    padding: 10px 15px;
    gap: 10px;
    background: linear-gradient(
      135deg,
      rgba(10, 14, 26, 0.95) 0%,
      rgba(0, 255, 140, 0.1) 100%
    );
    backdrop-filter: blur(10px);
    border: 1px solid var(--accent);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 255, 140, 0.3),
      inset 0 0 20px rgba(0, 255, 140, 0.05);
    font-family: "Courier New", monospace;
  }

  .fullstack-portal-btn::before {
    display: none;
  }

  .fullstack-portal-btn::after {
    content: "$ cd /fullstack";
    position: absolute;
    top: -25px;
    left: 0;
    font-size: 10px;
    color: var(--accent);
    opacity: 0;
    transition: opacity 0.3s ease;
    white-space: nowrap;
    text-shadow: 0 0 10px rgba(0, 255, 140, 0.5);
  }

  .fullstack-portal-btn:hover::after {
    opacity: 1;
  }

  .fullstack-portal-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 255, 140, 0.5),
      inset 0 0 30px rgba(0, 255, 140, 0.1);
    border-color: #00ffff;
  }

  .portal-ring {
    width: 32px;
    height: 32px;
    border: 2px solid var(--accent);
    animation: portal-spin 3s linear infinite;
  }

  .portal-inner {
    width: 24px;
    height: 24px;
    border: 1px solid rgba(0, 255, 255, 0.6);
  }

  .portal-core {
    width: 16px;
    height: 16px;
    background: radial-gradient(
      circle,
      var(--accent) 0%,
      rgba(0, 255, 140, 0.3) 70%,
      transparent 100%
    );
  }

  .portal-core i {
    font-size: 10px;
    color: #0a0e1a;
  }

  .portal-text {
    display: flex;
    flex-direction: row;
    gap: 5px;
    align-items: center;
  }

  .portal-label {
    font-size: 11px;
    font-family: "Courier New", monospace;
    font-weight: 600;
  }

  .portal-label::before {
    content: ">";
    margin-right: 4px;
    animation: blink 1s infinite;
  }

  .portal-sublabel {
    display: none;
  }

  @keyframes blink {
    0%,
    50% {
      opacity: 1;
    }
    51%,
    100% {
      opacity: 0;
    }
  }

  .portal-particles {
    opacity: 0.5;
  }
}