/* ── Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ── Navigation ───────────────────────────────────── */
#nav {
    background: rgba(250, 249, 246, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(156, 197, 156, 0.2);
}
#nav.scrolled {
    box-shadow: 0 1px 0 rgba(42, 71, 42, 0.06);
}

/* ── Mobile Menu ──────────────────────────────────── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}
#mobile-menu.open .mobile-link {
    animation: fadeUp 0.4s ease forwards;
    opacity: 1;
}
#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.menu-line { display: block; }
.menu-btn.active .menu-line:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}
.menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}
.menu-btn.active .menu-line:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
    width: 1.5rem;
}

/* ── Scroll Reveal ────────────────────────────────── */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.revealed {
    opacity: 1;
    transform: none;
}

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

/* ── Selection ────────────────────────────────────── */
::selection {
    background: rgba(42, 71, 42, 0.15);
    color: #1a2e1a;
}

/* ── Reduced Motion ───────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { transition: none; }
    .group img { transition: none; }
    .group:hover img { transform: none; }
    #mobile-menu .mobile-link { animation: none; }
}