/* Base styles */
:root {
    --emerald-800: #184428;
    --emerald-900: #143720;
    --emerald-950: #071c0f;
    --cream-50: #fdfcf8;
    --cream-100: #faf6ed;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Hero overlay */
.hero-overlay {
    background: linear-gradient(
        180deg,
        rgba(7, 28, 15, 0.55) 0%,
        rgba(7, 28, 15, 0.45) 40%,
        rgba(7, 28, 15, 0.65) 100%
    );
}

/* Navbar transitions */
.navbar-scrolled .nav-logo {
    color: #071c0f;
}

.navbar-scrolled .nav-link {
    color: rgba(7, 28, 15, 0.7);
}

.navbar-light .nav-logo {
    color: #fdfcf8;
}

.navbar-light .nav-link {
    color: rgba(253, 252, 248, 0.7);
}

/* Service card hover */
.service-card {
    background: transparent;
}

.service-card img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Scroll reveal — progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                    transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile menu */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

/* Smooth image loading */
img {
    background-color: rgba(20, 55, 32, 0.05);
}

/* Selection color */
::selection {
    background-color: rgba(24, 68, 40, 0.2);
    color: #143720;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #faf6ed;
}

::-webkit-scrollbar-thumb {
    background: #95c9a8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #61a878;
}