/* ── Base & Utilities ── */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

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

/* ── Scroll Reveal ── */
.scroll-reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0) !important;
}

/* Default visible state for progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(32px);
    }
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger delays */
.scroll-reveal:nth-child(1) { transition-delay: 0.05s; }
.scroll-reveal:nth-child(2) { transition-delay: 0.12s; }
.scroll-reveal:nth-child(3) { transition-delay: 0.19s; }
.scroll-reveal:nth-child(4) { transition-delay: 0.26s; }
.scroll-reveal:nth-child(5) { transition-delay: 0.33s; }
.scroll-reveal:nth-child(6) { transition-delay: 0.40s; }

/* ── Navbar ── */
#navbar {
    transition: background-color 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(7, 14, 31, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.08), 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ── Mobile Menu ── */
#mobileMenu {
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#mobileMenu.open {
    display: block;
}

#mobileMenu.hidden {
    display: none;
}

/* ── Gold shimmer on links ── */
a {
    text-decoration: none;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a1628;
}
::-webkit-scrollbar-thumb {
    background: #1a3060;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c9a84c;
}

/* ── Select dropdown styling ── */
select option {
    background: #0a1628;
    color: #fff;
}

/* ── Form focus animations ── */
input:focus, textarea:focus, select:focus {
    outline: none;
}

/* ── Smooth image loading ── */
img {
    image-rendering: auto;
}