*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Mobile menu animation */
#mobileMenu.open {
    display: flex;
    animation: menuSlideDown 0.3s ease forwards;
}

#mobileMenu.hidden {
    display: none;
}

@keyframes menuSlideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Service cards */
.service-card {
    will-change: transform;
}

.service-card .relative {
    will-change: transform;
}

/* Review cards */
.review-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

/* Gallery items */
.gallery-item {
    cursor: pointer;
}

.gallery-item img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Scroll animations — progressive enhancement only */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .review-card,
    .gallery-item,
    .reveal-up {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .service-card.revealed,
    .review-card.revealed,
    .gallery-item.revealed,
    .reveal-up.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .service-card:nth-child(1).revealed { transition-delay: 0s; }
    .service-card:nth-child(2).revealed { transition-delay: 0.08s; }
    .service-card:nth-child(3).revealed { transition-delay: 0.16s; }
    .service-card:nth-child(4).revealed { transition-delay: 0.24s; }
    .service-card:nth-child(5).revealed { transition-delay: 0.32s; }
    .service-card:nth-child(6).revealed { transition-delay: 0.40s; }

    .review-card:nth-child(1).revealed { transition-delay: 0s; }
    .review-card:nth-child(2).revealed { transition-delay: 0.1s; }
    .review-card:nth-child(3).revealed { transition-delay: 0.2s; }
}

/* Fallback: always show content even without JS */
@media not all and (prefers-reduced-motion: no-preference) {
    .service-card,
    .review-card,
    .gallery-item,
    .reveal-up {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* Scroll to top button */
#scrollTop.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* Selection color */
::selection {
    background: #E8652A;
    color: white;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #FFF8EC;
}
::-webkit-scrollbar-thumb {
    background: #E8652A;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #C74A18;
}