/* Master Stylesheet: Imports & Fine Polishing */
@import url('./variables.css');
@import url('./base.css');
@import url('./components.css');

/* Keyframe Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Stagger delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* Subtle scanning line effect on terminal */
.terminal-window {
  position: relative;
}

.terminal-window::after {
  content: " ";
  display: block;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%);
  background-size: 100% 4px;
  z-index: 2;
  pointer-events: none;
  opacity: 0.3;
}

/* Pulse on live dots */
@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.cursor-blink {
  display: inline-block;
  width: 7px;
  height: 14px;
  background-color: var(--cyan);
  vertical-align: middle;
  margin-left: 4px;
  animation: blinkCursor 0.9s infinite;
}

/* Back to Top Floating Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(12, 21, 46, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 90;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--cyan);
  color: #040711;
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.4);
}