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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
}

::selection {
    background-color: rgba(16, 185, 129, 0.2);
    color: #064e3b;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #022c22;
}
::-webkit-scrollbar-thumb {
    background: #065f46;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #047857;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reveal animations — progressive enhancement */
.reveal-section {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-section {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

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

    .reveal-section:nth-child(2) { transition-delay: 0.1s; }
    .reveal-section:nth-child(3) { transition-delay: 0.2s; }
    .reveal-section:nth-child(4) { transition-delay: 0.3s; }
}

/* Header transition */
#site-header.scrolled {
    background-color: rgba(2, 44, 34, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

#site-header:not(.scrolled) {
    background-color: transparent;
}

#site-header .font-serif {
    color: #022c22;
}

#site-header:not(.scrolled) .font-serif {
    color: #faf9f6;
}

#site-header .nav-link {
    color: #022c22;
}

#site-header:not(.scrolled) .nav-link {
    color: #f5f4f0;
}

#site-header .nav-link:hover {
    color: #059669;
}

#site-header:not(.scrolled) .nav-link:hover {
    color: #34d399;
}

#site-header .menu-line {
    background-color: #022c22;
}

#site-header:not(.scrolled) .menu-line {
    background-color: #faf9f6;
}

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

.mobile-nav-link {
    color: #022c22;
}

/* Select styling */
select option {
    background-color: #022c22;
    color: #f5f4f0;
}

/* Focus styles */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid #34d399;
    outline-offset: 2px;
}