body {
    font-family: 'Roboto', sans-serif;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.hover-lift:hover {
    transform: translateY(-5px);
    transition: transform 0.3s ease;
}

/* Focus styles for accessibility */
button:focus,
a:focus {
    outline: 2px solid #fbbf24;
    outline-offset: 2px;
}

/* Back to top button */
#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #dc2626;
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background-color: #b91c1c;
    transform: translateY(-2px);
}