/* ── Base & Utilities ── */
html {
    scroll-behavior: smooth;
}

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

::selection {
    background-color: rgba(234, 179, 8, 0.2);
    color: #102a43;
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        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; }
}

/* ── Mobile Menu Transitions ── */
#mobile-menu.open {
    transform: translateX(0);
}

#mobile-menu:not(.open) {
    transform: translateX(100%);
}

/* ── Navbar Scroll State ── */
.navbar-scrolled {
    background-color: rgba(16, 42, 67, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.15);
    padding-top: 0.75rem !important;
    padding-bottom: 0.75rem !important;
}

/* ── Hamburger Animation ── */
.menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-open .menu-line:nth-child(3) {
    width: 1.5rem;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Image Loading ── */
img {
    background-color: rgba(178, 204, 220, 0.2);
}

/* ── Focus Styles ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #eab308;
    outline-offset: 2px;
}

/* ── Subtle hover glow on gold elements ── */
.glow-gold:hover {
    box-shadow: 0 0 30px rgba(234, 179, 8, 0.15);
}