body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.pulse-animation {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: .7; }
}

.slide-in {
    animation: slideIn 0.6s ease-out forwards;
}

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

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

@keyframes floating {
    0%, 100% { transform: translateY(0px); }
    50%      { transform: translateY(-10px); }
}

.loader-spin { animation: spin 1s linear infinite; }

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

.gradient-text {
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Low-spec tweaks */
@media (max-width: 768px){
    .floating { animation: none; }
    .glass-effect { backdrop-filter: none; background: rgba(255,255,255,0.95); }
}

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