/* === Base & Reset === */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    overflow-x: hidden;
}

/* === Scroll Reveal (progressive enhancement) === */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* === Navbar scroll state === */
nav.scrolled {
    background: rgba(250, 249, 246, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(49, 82, 51, 0.08);
}

nav.scrolled .font-serif {
    color: #1f3622 !important;
}

/* === Mobile menu === */
#mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

::-webkit-scrollbar-track {
    background: #f5f3ed;
}

::-webkit-scrollbar-thumb {
    background: #93bb94;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4a7c4e;
}

/* === Selection === */
::selection {
    background: #315233;
    color: #faf9f6;
}

/* === Focus styles === */
a:focus-visible, button:focus-visible {
    outline: 2px solid #4a7c4e;
    outline-offset: 2px;
    border-radius: 4px;
}

/* === Image placeholder fallback === */
img {
    background: linear-gradient(135deg, #dce8dc 0%, #bcd4bd 100%);
}