/* Utility classes and animations */
@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scroll {
    0% {
        opacity: 1;
        top: 10px;
    }

    100% {
        opacity: 0;
        top: 30px;
    }
}

.fade-in {
    animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 1200px) {
    .mission-content {
        grid-template-columns: 1fr;
    }

    .collab-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    nav ul {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100vw;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 8px 24px rgba(111, 207, 151, 0.12);
        max-height: 0;
        overflow: hidden;
        padding: 0;
        margin: 0;
        z-index: 1001;
        transition: max-height 0.3s ease;
    }

    nav ul.open {
        max-height: 400px;
        padding: 1.5rem 0;
    }

    nav ul li {
        display: block;
        text-align: center;
        margin: 1.2rem 0;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    h2 {
        font-size: 2rem;
    }

    .tech-grid {
        grid-template-columns: 1fr;
    }

    .collab-grid {
        grid-template-columns: 1fr;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }
}