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

/* ── Geometric Background Shapes ── */
.geo-shape { position: absolute; pointer-events: none; }

.geo-circle-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(27,94,32,0.08) 0%, transparent 70%);
    border-radius: 50%;
    top: -100px;
    right: -100px;
}

.geo-circle-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(76,175,80,0.1) 0%, transparent 70%);
    border-radius: 50%;
    bottom: 100px;
    left: -50px;
}

.geo-square-1 {
    width: 120px;
    height: 120px;
    background: rgba(27,94,32,0.06);
    border-radius: 20px;
    top: 200px;
    left: 80px;
    transform: rotate(15deg);
}

.geo-triangle {
    width: 0;
    height: 0;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid rgba(76,175,80,0.08);
    top: 300px;
    right: 60px;
    transform: rotate(-10deg);
}

.geo-dots {
    width: 80px;
    height: 80px;
    background-image: radial-gradient(circle, rgba(27,94,32,0.15) 2px, transparent 2px);
    background-size: 12px 12px;
    top: 150px;
    left: 30%;
}

.geo-circle-3 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 70%);
    border-radius: 50%;
    top: -200px;
    left: -200px;
}

.geo-square-2 {
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.03);
    border-radius: 30px;
    bottom: -50px;
    right: 10%;
    transform: rotate(30deg);
}

/* ── Navbar ── */
.nav-link { position: relative; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #1b5e20;
    transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }

#navbar.scrolled {
    background: rgba(253,253,254,0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 20px rgba(0,0,0,0.08);
}

.nav-text { transition: color 0.3s ease; }

/* ── Mobile Menu ── */
.mobile-link {
    border-bottom: 1px solid #dcedce;
    transition: color 0.2s ease;
}
.mobile-link:hover { color: #1b5e20; }

/* ── Service Cards ── */
.service-card {
    transition: transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover {
    transform: translateY(-4px);
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease, transform 0.6s 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; }
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #f8f9fa; }
::-webkit-scrollbar-thumb { background: #a5d6a7; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #2e7d32; }