:root {
  --background: oklch(0.145 0 0);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.18 0 0);
  --primary: oklch(0.65 0.25 250);
  --accent: oklch(0.75 0.2 180);
  --border: oklch(0.269 0 0);
  --muted: oklch(0.708 0 0);
}

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: system-ui, -apple-system, sans-serif;
}

@keyframes float-3d {
  0%, 100% {
    transform: translateY(0px) translateX(0px) rotateX(0deg) rotateY(0deg);
  }
  25% {
    transform: translateY(-20px) translateX(10px) rotateX(5deg) rotateY(5deg);
  }
  50% {
    transform: translateY(-10px) translateX(-10px) rotateX(-5deg) rotateY(-5deg);
  }
  75% {
    transform: translateY(-25px) translateX(5px) rotateX(3deg) rotateY(-3deg);
  }
}

@keyframes float-slow {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-30px) rotate(5deg);
  }
}

@keyframes float-medium {
  0%, 100% {
    transform: translateY(0px) translateX(0px);
  }
  33% {
    transform: translateY(-15px) translateX(15px);
  }
  66% {
    transform: translateY(-25px) translateX(-10px);
  }
}

@keyframes gradient-shift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes pulse-glow {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.1);
  }
}

@keyframes slide-up-fade {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-float-3d {
  animation: float-3d 6s ease-in-out infinite;
}

.animate-float-slow {
  animation: float-slow 8s ease-in-out infinite;
}

.animate-float-medium {
  animation: float-medium 5s ease-in-out infinite;
}

.animate-gradient {
  background-size: 200% 200%;
  animation: gradient-shift 8s ease infinite;
}

.animate-pulse-glow {
  animation: pulse-glow 4s ease-in-out infinite;
}

.animate-slide-up-fade {
  animation: slide-up-fade 0.6s ease-out forwards;
}

.animate-scale-in {
  animation: scale-in 0.5s ease-out forwards;
}

.bg-grid-pattern {
  background-image: linear-gradient(to right, rgba(100, 150, 255, 0.1) 1px, transparent 1px), linear-gradient(to bottom, rgba(100, 150, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
}

.bg-gradient-animated {
  background: linear-gradient(-45deg, rgba(100, 150, 255, 0.2), rgba(150, 200, 255, 0.2), rgba(100, 150, 255, 0.3), rgba(150, 200, 255, 0.1));
  background-size: 400% 400%;
}

.card-3d {
  transform-style: preserve-3d;
  transition: transform 0.6s ease, box-shadow 0.3s ease;
}

.card-3d:hover {
  transform: rotateY(5deg) rotateX(5deg) scale(1.05);
  box-shadow: 0 20px 40px rgba(100, 150, 255, 0.3);
}

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

.hover-lift:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(100, 150, 255, 0.3);
}

.gradient-text {
  background: linear-gradient(to right, var(--primary), var(--accent), var(--primary));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-shift 8s ease infinite;
}

.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.typing-headline {
  border-right: 2px solid rgba(255, 255, 255, 0.6);
  white-space: nowrap;
  overflow: hidden;
}

.float-icons {
  display: inline-flex;
  gap: 0.4rem;
  font-size: 1.3rem;
  color: #fff;
}

.float-icons span {
  display: inline-block;
  animation: icon-bounce 4s ease-in-out infinite;
}

.float-icons span:nth-child(2) {
  animation-delay: 0.2s;
}

.float-icons span:nth-child(3) {
  animation-delay: 0.4s;
}

.float-icons span:nth-child(4) {
  animation-delay: 0.6s;
}

@keyframes icon-bounce {
  0%, 100% {
    transform: translateY(0);
    opacity: 0.9;
  }
  50% {
    transform: translateY(-8px);
    opacity: 1;
  }
}

header {
  transition: all 0.3s ease;
}

header.scrolled {
  background-color: rgba(20, 20, 30, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--background);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}