:root {
    --nexus-black: #0a0a0a;
    --nexus-dark: #111111;
    --nexus-gray: #222222;
    --nexus-light: #f5f5f5;
    --nexus-accent: #ffffff;
    --nexus-yellow: #ebff00;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(40px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes scaleIn {
    0% {
        opacity: 0;
        transform: scale(0.95);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}
@keyframes slideDown {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(0);
    }
}
@keyframes menuReveal {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes shimmer {
    0% {
        transform: translateX(-150%) skewX(-20deg);
    }
    100% {
        transform: translateX(150%) skewX(-20deg);
    }
}
@keyframes heroPop {
    0% {
        opacity: 0;
        transform: scale(0.85) translateY(20px);
        filter: blur(10px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
        filter: blur(0);
    }
}
@keyframes heroTitle {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(40px);
        filter: blur(12px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
        filter: blur(0);
    }
}
@keyframes scrollLeft {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}
@keyframes scrollRight {
    0% {
        transform: translateX(-50%);
    }
    100% {
        transform: translateX(0);
    }
}
@keyframes beam {
    0% {
        top: -100%;
    }
    100% {
        top: 100%;
    }
}
@keyframes pulse-slow {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}
@keyframes gradientPulse {
    0%,
    100% {
        opacity: 0.025;
        transform: scale(1);
    }
    50% {
        opacity: 0.05;
        transform: scale(1.1);
    }
}

/* Utility classes */
.animate-float {
    animation: float 6s ease-in-out infinite;
}
.animate-fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.animate-scale-in {
    animation: scaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.animate-slide-down {
    animation: slideDown 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.animate-menu-reveal {
    animation: menuReveal 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.animate-shimmer {
    animation: shimmer 2s infinite;
}
.animate-hero-pop {
    animation: heroPop 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.animate-hero-title {
    animation: heroTitle 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.animate-scroll-left {
    animation: scrollLeft 40s linear infinite;
}
.animate-scroll-right {
    animation: scrollRight 40s linear infinite;
}
.animate-beam {
    animation: beam 3s linear infinite;
}
.animate-pulse-slow {
    animation: pulse-slow 8s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Scroll-reveal */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity 0.7s ease,
        transform 0.7s ease;
}
[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* Card spotlight (mouse-follow glow) ; uses ::after to avoid conflict with card-beam::before */
.card-spotlight {
    position: relative;
    overflow: hidden;
}
.card-spotlight::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
        500px circle at var(--mouse-x, -9999px) var(--mouse-y, -9999px),
        rgba(235, 255, 0, 0.08),
        transparent 40%
    );
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
    z-index: 2;
    border-radius: inherit;
}
.card-spotlight:hover::after {
    opacity: 1;
}

/* Delay utilities */
.delay-100 {
    animation-delay: 0.1s;
}
.delay-200 {
    animation-delay: 0.2s;
}
.delay-300 {
    animation-delay: 0.3s;
}
.delay-400 {
    animation-delay: 0.4s;
}
.delay-500 {
    animation-delay: 0.5s;
}