/* Base styles & custom properties */
:root {
    --emerald-50: #ecfdf5;
    --emerald-100: #d1fae5;
    --emerald-200: #a7f3d0;
    --emerald-300: #6ee7b7;
    --emerald-400: #34d399;
    --emerald-500: #10b981;
    --emerald-600: #059669;
    --emerald-700: #047857;
    --emerald-800: #065f46;
    --emerald-900: #064e3b;
    --cream-50: #fefdf8;
    --cream-100: #fdf9f0;
    --cream-200: #faf3e0;
}

html {
    scroll-behavior: smooth;
}

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

/* Scroll reveal — progressive enhancement, only applies when JS adds the class */
.scroll-reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-hidden {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal-hidden.reveal-visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile menu animation */
#mobileMenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

#mobileMenu.open {
    max-height: 400px;
    opacity: 1;
}

/* Navbar active state */
#navbar.scrolled {
    box-shadow: 0 1px 20px rgba(4, 120, 87, 0.08);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--cream-100);
}
::-webkit-scrollbar-thumb {
    background: var(--emerald-300);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--emerald-400);
}

/* Selection color */
::selection {
    background: var(--emerald-200);
    color: var(--emerald-900);
}
</style>