html {
    scroll-behavior: smooth;
}

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

/* Lightbox */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.lightbox-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-overlay img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
    z-index: 10000;
    background: none;
    border: none;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    background: rgba(0,0,0,0.4);
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

/* Gallery hover effect */
.gallery-item {
    overflow: hidden;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: transform 0.3s;
}
.gallery-item:hover {
    transform: scale(1.03);
}
.gallery-item img {
    transition: transform 0.4s;
}
.gallery-item:hover img {
    transform: scale(1.08);
}

/* WhatsApp floating button */
.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25D366;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    transition: transform 0.3s;
}
.whatsapp-float:hover {
    transform: scale(1.1);
}

/* Navbar scroll */
.navbar-scrolled {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 16px rgba(0,0,0,0.15);
}