body {
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
}

p {
    font-weight: 300;
    font-size: 16px;
}

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

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

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

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

.project-card {
    transition: all 0.3s ease;
    min-height: 320px;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 5;
    pointer-events: none;
}

.nav-item {
    transition: all 0.3s ease;
}

.nav-item:hover {
    transform: translateY(-3px);
}

.tech-bubble {
    transition: all 0.3s ease;
}

.tech-bubble:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.section-heading {
    position: relative;
    display: inline-block;
}

.section-heading::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, #4f46e5, #a855f7);
    border-radius: 2px;
}