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

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

body {
    overflow-x: hidden;
}

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(253, 252, 248, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(5, 150, 105, 0.1), 0 4px 20px rgba(0, 0, 0, 0.06);
}

.nav-scrolled .nav-logo-text {
    color: #0f2419 !important;
}

.nav-scrolled .nav-link {
    color: rgba(15, 36, 25, 0.7) !important;
}

.nav-scrolled .nav-link:hover {
    color: #059669 !important;
}

/* Stat cards */
.stat-card {
    animation: float 6s ease-in-out infinite;
}

.stat-card:nth-child(2) {
    animation-delay: -1.5s;
}

.stat-card:nth-child(3) {
    animation-delay: -3s;
}

.stat-card:nth-child(4) {
    animation-delay: -4.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

/* Reveal animations — progressive enhancement */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Mobile menu */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

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

::-webkit-scrollbar-track {
    background: #faf5eb;
}

::-webkit-scrollbar-thumb {
    background: #059669;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #047857;
}