@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

@keyframes aurora {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

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

.aurora {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.1), rgba(88, 86, 214, 0.1), rgba(255, 45, 85, 0.1));
    background-size: 400% 400%;
    animation: aurora 15s ease infinite;
}

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

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

.project-card {
    animation: fadeIn 0.6s ease-out;
    animation-fill-mode: both;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; }
.project-card:nth-child(7) { animation-delay: 0.7s; }
.project-card:nth-child(8) { animation-delay: 0.8s; }
.project-card:nth-child(9) { animation-delay: 0.9s; }
.project-card:nth-child(10) { animation-delay: 1.0s; }
.project-card:nth-child(11) { animation-delay: 1.1s; }
.project-card:nth-child(12) { animation-delay: 1.2s; }

.hero-content {
    animation: slideInUp 0.8s ease-out;
}

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

.hero h1 {
    animation: fadeIn 1s ease-out;
}

.hero-info .info-item {
    animation: slideInLeft 0.8s ease-out;
    animation-fill-mode: both;
}

.hero-info .info-item:nth-child(1) { animation-delay: 0.2s; }
.hero-info .info-item:nth-child(2) { animation-delay: 0.4s; }
.hero-info .info-item:nth-child(3) { animation-delay: 0.6s; }

.hero-tags .tag {
    animation: scaleIn 0.5s ease-out;
    animation-fill-mode: both;
}

.hero-motto {
    animation: fadeIn 1s ease-out 0.8s;
    animation-fill-mode: both;
}

header {
    animation: slideInDown 0.6s ease-out;
}

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

footer {
    animation: fadeIn 0.6s ease-out;
}