*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; }

/* Nav */
.nav-link { position: relative; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #34D399;
    transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }

/* Mobile nav */
.mobile-link { transition: opacity 0.3s; }
#mobile-nav.open { opacity: 1; pointer-events: all; }
#mobile-nav.closed { opacity: 0; pointer-events: none; }
#menu-btn.active .line:nth-child(1) { transform: rotate(45deg) translate(3px, 3px); }
#menu-btn.active .line:nth-child(2) { opacity: 0; }
#menu-btn.active .line:nth-child(3) { transform: rotate(-45deg) translate(3px, -3px); width: 1.25rem; }

/* Hero stat cards */
.stat-card {
    transform: translateY(0);
    transition: transform 0.4s ease, border-color 0.4s ease;
}
.stat-card:hover { transform: translateY(-4px); }

/* Service cards */
.service-card {
    transition: transform 0.4s ease, background-color 0.5s ease;
}
.service-card:hover { transform: translateY(-4px); }

/* Visit cards */
.visit-card { transition: transform 0.4s ease; }
.visit-card:hover { transform: translateY(-4px); }

/* Scroll animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Header scroll state */
#site-header.scrolled {
    background: rgba(2, 26, 20, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(6, 78, 59, 0.3);
}

/* Selection */
::selection { background: rgba(16, 185, 129, 0.3); color: #FAFAF5; }

/* Smooth image loading */
img { image-rendering: auto; }

/* Focus styles */
a:focus-visible, button:focus-visible {
    outline: 2px solid #34D399;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
}