/* ── Custom Properties ── */
:root {
    --color-off-white: #f7f5f0;
    --color-forest-50: #f2f7f0;
    --color-forest-100: #e3ecd9;
    --color-forest-200: #c5dab3;
    --color-forest-300: #9dbc86;
    --color-forest-400: #729f5c;
    --color-forest-500: #507d3f;
    --color-forest-600: #3d6130;
    --color-forest-700: #314e27;
    --color-forest-800: #293f21;
    --color-forest-900: #22331c;
    --color-forest-950: #111a0c;
}

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

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

body {
    background-color: var(--color-off-white);
    color: var(--color-forest-900);
    font-family: 'Inter', system-ui, sans-serif;
    line-height: 1.6;
}

::selection {
    background: var(--color-forest-200);
    color: var(--color-forest-900);
}

img {
    max-width: 100%;
    height: auto;
}

/* ── Navbar ── */
#navbar {
    transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background-color: rgba(247, 245, 240, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(49, 78, 39, 0.08);
}

/* ── Hero Floating Cards ── */
@media (min-width: 1024px) {
    .service-card {
        transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.5s ease, border-color 0.5s ease;
    }
    .service-card:hover {
        transform: translateY(-4px);
    }
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .reason-card {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.5s ease, border-color 0.5s ease;
    }
}

/* ── Button Focus States ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-forest-500);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Smooth transitions for interactive elements ── */
a, button {
    transition: all 0.3s ease;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-off-white);
}
::-webkit-scrollbar-thumb {
    background: var(--color-forest-300);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-forest-400);
}

/* ── Tailwind custom color aliases ── */
.bg-off-white { background-color: var(--color-off-white); }
.text-off-white { color: var(--color-off-white); }