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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Scroll reveal base - always visible by default */
.service-card,
.process-card,
.gallery-item {
    opacity: 1;
    transform: none;
}

/* Animated state only when JS adds class */
.reveal-active .service-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-active .service-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-active .process-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-active .process-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-active .gallery-item {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-active .gallery-item.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Nav scroll state */
nav.scrolled {
    background: rgba(5, 11, 23, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 168, 76, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

nav.scrolled .menu-line {
    background: white;
}

/* Mobile menu */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu .mobile-link {
    opacity: 1;
}

/* Menu button animation */
.menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.menu-open .menu-line:nth-child(2) {
    opacity: 0;
}

.menu-open .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 24px;
    margin-left: 0;
}

/* Gold shimmer on hover for cards */
.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.03), transparent);
    transition: left 0.5s ease;
    pointer-events: none;
}

.service-card {
    position: relative;
    overflow: hidden;
}

.service-card:hover::after {
    left: 100%;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #050B17;
}

::-webkit-scrollbar-thumb {
    background: rgba(201, 168, 76, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(201, 168, 76, 0.5);
}

/* Selection color */
::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #fff;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .service-card,
    .process-card,
    .gallery-item {
        transition: none;
    }
    .gallery-item img {
        transition: none;
    }
    .animate-bounce {
        animation: none;
    }
}

/* Mobile responsiveness */
@media (max-width: 767px) {
    #hero h1 {
        font-size: 2.75rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    #about .relative {
        margin-bottom: 2rem;
    }

    .gallery-item {
        min-height: 180px;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    #hero h1 {
        font-size: 4rem;
    }
}