html { 
    scroll-behavior: smooth; 
}
body { 
    padding-top: 80px; /* Adjust for fixed header */ 
}
.hidden-section { 
    display: none; 
}
.popup-overlay { 
    display: none; 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background-color: rgba(0,0,0,0.85); 
    z-index: 100; 
    justify-content: center; 
    align-items: center; 
    transition: opacity 0.3s ease; 
}
.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); 
}
.carousel-container { 
    position: relative; 
    width: 100%; 
    overflow: hidden; 
    border-radius: 0.75rem; 
}
.carousel-track { 
    display: flex; 
    transition: transform 0.5s ease-in-out; 
}
.carousel-slide { 
    min-width: 100%; 
    box-sizing: border-box; 
}
.carousel-button { 
    position: absolute; 
    top: 50%; 
    transform: translateY(-50%); 
    background-color: rgba(0, 0, 0, 0.5); 
    color: white; 
    border: none; 
    padding: 0.5rem 1rem; 
    cursor: pointer; 
    border-radius: 0.5rem; 
    z-index: 10; 
}
.carousel-button.prev { 
    left: 1rem; 
}
.carousel-button.next { 
    right: 1rem; 
}
.carousel-dots {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
}
.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color: 0.3s ease;
}
.carousel-dot.active {
    background-color: white;
}
.site-header { 
    transition: background-color 0.3s ease-in-out; 
}
input, select { 
    border: 1px solid #d1d5db; 
    border-radius: 0.5rem; 
}