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

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

/* ── 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; }
}

/* ── Navbar scroll state ── */
#navbar.scrolled {
    background: rgba(253, 252, 250, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(26, 92, 58, 0.08);
}

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

#menu-btn[aria-expanded="true"] #bar1 {
    transform: translateY(7px) rotate(45deg);
}

#menu-btn[aria-expanded="true"] #bar2 {
    opacity: 0;
}

#menu-btn[aria-expanded="true"] #bar3 {
    transform: translateY(-7px) rotate(-45deg);
}

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

::-webkit-scrollbar-track {
    background: #faf6ee;
}

::-webkit-scrollbar-thumb {
    background: #b1d4b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #82bc8e;
}

/* ── Selection ── */
::selection {
    background: #d3e8d9;
    color: #1a5c3a;
}