/* ── Base & Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; }
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }

/* ── Scroll Reveal (progressive enhancement — content visible by default) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
}

/* ── Navbar scroll state ── */
#navbar.scrolled {
    background: rgba(15, 26, 15, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

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

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #1a2b1a; }
::-webkit-scrollbar-thumb { background: #3d663d; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #4a7a4a; }

/* ── Selection ── */
::selection { background: rgba(74, 122, 74, 0.3); }