/* ─── Base & Reset ─── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(201, 162, 45, 0.3);
    color: #fff;
}

/* ─── Navbar ─── */
#nav {
    transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

#nav.nav-scrolled {
    background: rgba(10, 22, 40, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 24px rgba(0, 0, 0, 0.3);
}

/* ─── Mobile Menu ─── */
.mobile-menu {
    animation: menuSlideIn 0.3s ease forwards;
}

@keyframes menuSlideIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background: #c9a22d;
    transition: transform 0.2s ease;
}

.mobile-link:hover::after,
.mobile-link:active::after {
    transform: translateX(-50%) scaleX(1);
}

/* ─── Scroll Reveal (progressive enhancement) ─── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ─── Service Cards ─── */
.group:hover .group-hover\:bg-gold-500\/20 {
    background: rgba(201, 162, 45, 0.2);
}

/* ─── Form Styles ─── */
select option {
    background: #0f1f3d;
    color: #fff;
}

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

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: #1c3a6e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #244a8a;
}

/* ─── Focus Visible ─── */
:focus-visible {
    outline: 2px solid #c9a22d;
    outline-offset: 2px;
}

/* ─── Utility ─── */
@media (max-width: 767px) {
    .lg\:hidden {
        display: none !important;
    }
}