/* Animations and Micro-interactions - Resend 2025 rebrand inspired */

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

/* Slide in from left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide in from right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scale in animation */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Pulse animation */
@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

/* Floating animation */
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0px);
  }
}

/* Gradient animation */
@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Typewriter effect */
@keyframes typewriter {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

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

/* Hero title styling - static text */
.hero-title {
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-title br {
  display: block;
  margin-bottom: 0.3em;
}

.hero-title .highlight {
  color: var(--accent-color);
  position: relative;
}

.hero-title .gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
  background-size: 200% 200%;
  animation: gradient 3s ease infinite;
}

/* Mobile responsive hero title */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.75rem;
    line-height: 1.2;
  }
  
  .hero-title br {
    margin-bottom: 0.2em;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.25rem;
    line-height: 1.1;
  }
  
  .hero-title br {
    margin-bottom: 0.15em;
  }
}

@keyframes typeChar {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Animation classes */
.fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

.slide-in-left {
  animation: slideInLeft 0.8s ease-out forwards;
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out forwards;
}

.scale-in {
  animation: scaleIn 0.6s ease-out forwards;
}

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

.float {
  animation: float 3s infinite ease-in-out;
}

/* Staggered animations for elements */
.stagger-fade-in > * {
  opacity: 0;
  animation: fadeIn 0.6s ease-out forwards;
}

.stagger-fade-in > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-fade-in > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-fade-in > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-fade-in > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-fade-in > *:nth-child(5) { animation-delay: 0.5s; }

/* Scroll-triggered animations */
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Enhanced hover effects */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.hover-glow {
  position: relative;
  overflow: hidden;
}

.hover-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.hover-glow:hover::before {
  left: 100%;
}

/* Button animations */
.btn-animate {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-animate::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: -1;
}

.btn-animate:hover::before {
  width: 300px;
  height: 300px;
}

/* Navigation menu animation */
.nav-toggle.active .bar:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.nav-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Loading animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top-color: var(--accent-color);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Text gradient animation */
.gradient-text {
  background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient 3s ease infinite;
}

/* Card flip animation */
.card-flip {
  perspective: 1000px;
}

.card-flip-inner {
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.card-flip:hover .card-flip-inner {
  transform: rotateY(180deg);
}

.card-front, .card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
}

.card-back {
  transform: rotateY(180deg);
}

/* Progress bar animation */
.progress {
  height: 4px;
  background-color: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--accent-color);
  width: 0;
  transition: width 1s ease-in-out;
}

/* Shimmer effect */
.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: translateX(-100%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

/* Bounce animation */
@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translate3d(0, 0, 0);
  }
  40%, 43% {
    transform: translate3d(0, -30px, 0);
  }
  70% {
    transform: translate3d(0, -15px, 0);
  }
  90% {
    transform: translate3d(0, -4px, 0);
  }
}

.bounce {
  animation: bounce 1s ease;
}

/* Shake animation */
@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;
}

/* Responsive animation adjustments */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}