/* ── Base & Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
img, svg { display: block; max-width: 100%; }

/* ── Animations ───────────────────────────────────── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}
.animate-fade-up { animation: fadeUp 0.9s ease-out forwards; }

/* ── Reveal on Scroll ─────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal.delay-1 { transition-delay: 0.15s; }
.reveal.delay-2 { transition-delay: 0.3s; }
.reveal.delay-3 { transition-delay: 0.45s; }

/* ── Navbar ───────────────────────────────────────── */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}
#navbar.scrolled {
    background: rgba(253, 251, 247, 0.97);
    box-shadow: 0 1px 0 rgba(27, 67, 50, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.nav-link { position: relative; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #D4A574;
    transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }

/* ── Mobile Menu ──────────────────────────────────── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}
#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}
.mobile-link {
    transition: opacity 0.3s ease;
}
.mobile-link:hover {
    opacity: 0.7;
}

/* ── Selection ────────────────────────────────────── */
::selection {
    background: rgba(27, 67, 50, 0.15);
    color: #1B4332;
}

/* ── Focus ────────────────────────────────────────── */
:focus-visible {
    outline: 2px solid #D4A574;
    outline-offset: 2px;
}

/* ── Smooth image loading ─────────────────────────── */
img {
    opacity: 1;
    transition: opacity 0.4s ease;
}
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.6s ease;
}
img[loading="lazy"].loaded {
    opacity: 1;
}

/* ── Subtle grain overlay on dark sections ────────── */
section[style*="forest-800"]::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.03;
    pointer-events: none;
}