/* ========================================
   ANIMATIONS
   ======================================== */

/* ========================================
   FLOATING ELEMENTS
   ======================================== */
@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0);
  }
  25% {
    transform: translateY(-15px) translateX(5px);
  }
  50% {
    transform: translateY(-8px) translateX(-5px);
  }
  75% {
    transform: translateY(-20px) translateX(3px);
  }
}

.float {
  animation: float 6s ease-in-out infinite;
}

.float-delay-1 { animation-delay: -1.5s; }
.float-delay-2 { animation-delay: -3s; }
.float-delay-3 { animation-delay: -4.5s; }

/* ========================================
   GLOW EFFECTS
   ======================================== */
@keyframes glow-pulse {
  0%, 100% {
    box-shadow: 0 0 5px var(--accent-cyan), 0 0 10px transparent;
  }
  50% {
    box-shadow: 0 0 15px var(--accent-cyan), 0 0 30px var(--accent-cyan);
  }
}

.glow {
  animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes text-glow {
  0%, 100% {
    text-shadow: 0 0 5px var(--accent-cyan);
  }
  50% {
    text-shadow: 0 0 20px var(--accent-cyan), 0 0 30px var(--accent-cyan);
  }
}

.text-glow {
  animation: text-glow 2s ease-in-out infinite;
}

/* ========================================
   PAGE TRANSITIONS
   ======================================== */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fade-in-up 0.5s ease forwards;
}

@keyframes pixel-fade-in {
  0% {
    opacity: 0;
    filter: blur(4px);
    transform: scale(0.95);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
  }
}

.pixel-fade-in {
  animation: pixel-fade-in 0.4s ease forwards;
}

/* ========================================
   SLIDE ANIMATIONS
   ======================================== */
@keyframes slide-in-left {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.slide-in-left {
  animation: slide-in-left 0.4s ease forwards;
}

@keyframes slide-in-right {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.slide-in-right {
  animation: slide-in-right 0.4s ease forwards;
}

/* ========================================
   STAGGER ANIMATIONS
   ======================================== */
.stagger-item {
  opacity: 0;
  animation: fade-in-up 0.4s ease forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }
.stagger-item:nth-child(7) { animation-delay: 0.7s; }
.stagger-item:nth-child(8) { animation-delay: 0.8s; }
.stagger-item:nth-child(9) { animation-delay: 0.9s; }
.stagger-item:nth-child(10) { animation-delay: 1s; }

/* ========================================
   BOUNCE
   ======================================== */
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.bounce {
  animation: bounce 0.6s ease-in-out infinite;
}

@keyframes bounce-sm {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

.bounce-sm {
  animation: bounce-sm 1s ease-in-out infinite;
}

/* ========================================
   PULSE
   ======================================== */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.5;
  }
}

.pulse-dot {
  animation: pulse-dot 1.5s ease-in-out infinite;
}

/* ========================================
   SPIN
   ======================================== */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin {
  animation: spin 3s linear infinite;
}

.spin-slow {
  animation: spin 8s linear infinite;
}

/* ========================================
   TYPEWRITER
   ======================================== */
@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes cursor-blink {
  0%, 50% { border-color: var(--accent-cyan); }
  51%, 100% { border-color: transparent; }
}

.typewriter {
  overflow: hidden;
  white-space: nowrap;
  border-right: 3px solid var(--accent-cyan);
  animation:
    typewriter 2s steps(30) forwards,
    cursor-blink 0.7s step-end infinite;
}

/* ========================================
   SHAKE (for errors/attention)
   ======================================== */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
  animation: shake 0.5s ease;
}

/* ========================================
   FLOATING BACKGROUND ELEMENTS
   ======================================== */
.floating-elements {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.floating-cube {
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--accent-cyan);
  opacity: 0.1;
  animation: float 8s ease-in-out infinite;
}

.floating-cube:nth-child(1) {
  top: 10%;
  left: 10%;
  animation-delay: 0s;
  background: var(--accent-pink);
}

.floating-cube:nth-child(2) {
  top: 20%;
  right: 15%;
  animation-delay: -2s;
  background: var(--accent-yellow);
  width: 30px;
  height: 30px;
}

.floating-cube:nth-child(3) {
  top: 60%;
  left: 5%;
  animation-delay: -4s;
  background: var(--accent-green);
  width: 15px;
  height: 15px;
}

.floating-cube:nth-child(4) {
  top: 80%;
  right: 10%;
  animation-delay: -1s;
  background: var(--accent-purple);
  width: 25px;
  height: 25px;
}

.floating-cube:nth-child(5) {
  top: 40%;
  left: 80%;
  animation-delay: -3s;
  background: var(--accent-orange);
}

.floating-cube:nth-child(6) {
  top: 70%;
  left: 30%;
  animation-delay: -5s;
  background: var(--accent-cyan);
  width: 12px;
  height: 12px;
}

/* ========================================
   HOVER LIFT
   ======================================== */
.hover-lift {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ========================================
   PIXEL BORDER ANIMATION
   ======================================== */
@keyframes border-march {
  0% { background-position: 0 0, 100% 0, 100% 100%, 0 100%; }
  100% { background-position: 20px 0, 100% 20px, calc(100% - 20px) 100%, 0 calc(100% - 20px); }
}

.border-march {
  background:
    linear-gradient(90deg, var(--accent-cyan) 50%, transparent 50%) repeat-x,
    linear-gradient(90deg, var(--accent-cyan) 50%, transparent 50%) repeat-x,
    linear-gradient(0deg, var(--accent-cyan) 50%, transparent 50%) repeat-y,
    linear-gradient(0deg, var(--accent-cyan) 50%, transparent 50%) repeat-y;
  background-size: 10px 3px, 10px 3px, 3px 10px, 3px 10px;
  background-position: 0 0, 100% 100%, 0 100%, 100% 0;
  animation: border-march 0.5s linear infinite;
}

/* ========================================
   ENTRY ANIMATIONS FOR SECTIONS
   ======================================== */
.section-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   SCROLL INDICATOR
   ======================================== */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 30;
  cursor: pointer;
}

.scroll-text {
  display: block;
  font-family: 'VT323', monospace;
  font-size: 1.25rem;
  color: var(--accent-cyan);
  margin-bottom: var(--space-sm);
  text-shadow: 2px 2px 0 var(--shadow-color);
  opacity: 0.9;
  letter-spacing: 2px;
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  margin: 0 auto;
  border-left: 4px solid var(--accent-cyan);
  border-bottom: 4px solid var(--accent-cyan);
  transform: rotate(-45deg);
  animation: bounce-arrow 1.5s ease-in-out infinite;
}

@keyframes bounce-arrow {
  0%, 100% {
    transform: rotate(-45deg) translateY(0);
    opacity: 1;
  }
  50% {
    transform: rotate(-45deg) translateY(12px);
    opacity: 0.5;
  }
}

/* Hide scroll indicator after scrolling */
.scroll-indicator.hidden {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}