/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; -webkit-font-smoothing: antialiased; }

/* ── Navbar glass ── */
#navbar.scrolled {
    background: rgba(254, 253, 248, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(22, 101, 52, 0.08), 0 4px 20px rgba(22, 101, 52, 0.04);
}

/* ── Mobile menu ── */
#mobileMenu.open { opacity: 1; pointer-events: all; }
#mobileMenu.closed { opacity: 0; pointer-events: none; }
.mobile-link { transition: opacity 0.3s, transform 0.3s; }
.mobile-link:hover { transform: translateY(-2px); }

/* ── Service cards ── */
.service-card {
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Scroll reveal (below fold only) ── */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Stagger children ── */
.stagger-children .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger-children .reveal:nth-child(2) { transition-delay: 80ms; }
.stagger-children .reveal:nth-child(3) { transition-delay: 160ms; }
.stagger-children .reveal:nth-child(4) { transition-delay: 240ms; }
.stagger-children .reveal:nth-child(5) { transition-delay: 320ms; }
.stagger-children .reveal:nth-child(6) { transition-delay: 400ms; }

/* ── Focus styles ── */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #16a34a;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Subtle gradient border on contact form ── */
#contactForm {
    background-clip: padding-box;
    border: 1px solid rgba(197, 223, 202, 0.5);
}

/* ── Image hover ── */
.group img {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}