*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Scroll reveal base — content always visible by default */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(40px);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
    }
    .reveal-up.revealed,
    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: none;
    }
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(26, 92, 58, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

/* Mobile menu transitions */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

#mobile-menu.open {
    max-height: 400px;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #fdf6e3;
}
::-webkit-scrollbar-thumb {
    background: #2d8a5e;
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: #1a5c3a;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 3px solid #4db07a;
    outline-offset: 3px;
    border-radius: 8px;
}

/* Selection */
::selection {
    background: #2d8a5e;
    color: #fdf6e3;
}