.fade-in {
    animation: fadeIn 500ms ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 500ms cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scale-in {
    animation: scaleIn 400ms cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

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

.pulse-glow {
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 8px 24px var(--accent-glow); }
    50% { box-shadow: 0 8px 40px rgba(99, 102, 241, 0.4); }
}

.float-particle {
    position: fixed;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: float linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(105vh) rotate(0deg);
        opacity: 0;
    }
    5% { opacity: 1; }
    95% { opacity: 1; }
    100% {
        transform: translateY(-10vh) rotate(720deg);
        opacity: 0;
    }
}

.blink-cursor::after {
    content: '|';
    animation: blink 1s step-end infinite;
    color: var(--accent);
}

@keyframes blink {
    50% { opacity: 0; }
}