/* ── Base & Typography ── */
:root {
    --emerald-50: #f0fdf4;
    --emerald-100: #dcfce7;
    --emerald-200: #bbf7d0;
    --emerald-300: #86efac;
    --emerald-400: #4ade80;
    --emerald-500: #22c55e;
    --emerald-600: #16a34a;
    --emerald-700: #15803d;
    --emerald-800: #166534;
    --emerald-900: #14532d;
    --emerald-950: #052e16;
    --cream-50: #fefdf8;
    --cream-100: #fdf9f0;
    --cream-200: #faf3e0;
    --dark-900: #0a0f0d;
    --dark-800: #111a15;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.font-serif {
    font-family: 'Playfair Display', Georgia, serif;
}

.font-sans {
    font-family: 'Inter', system-ui, sans-serif;
}

/* ── Navbar ── */
.nav-text {
    color: #0a0f0d;
}

nav.scrolled .nav-text {
    color: #0a0f0d;
}

#navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

#navbar.scrolled {
    background: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(22, 101, 52, 0.1);
}

/* ── Hero ── */
#hero {
    position: relative;
}

/* ── Service Cards ── */
.service-card {
    transform: translateY(0);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s ease, border-color 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* ── Portfolio ── */
.portfolio-item {
    cursor: pointer;
}

.portfolio-item img {
    will-change: transform;
}

/* ── Testimonials ── */
.testimonial-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-2px);
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* ── Page Loader ── */
#page-loader {
    z-index: 9999;
}

#page-loader.fade-out {
    opacity: 0;
    pointer-events: none;
}

/* ── Mobile Menu ── */
.mobile-nav-link {
    position: relative;
}

.mobile-nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #16a34a;
    transition: width 0.3s ease;
}

.mobile-nav-link:hover::after {
    width: 100%;
}

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

::-webkit-scrollbar-track {
    background: #fdf9f0;
}

::-webkit-scrollbar-thumb {
    background: #16a34a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #15803d;
}

/* ── Selection ── */
::selection {
    background: #16a34a;
    color: #fefdf8;
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .service-card,
    .testimonial-card,
    .portfolio-item img {
        transition: none;
    }
    
    .service-card:hover,
    .testimonial-card:hover {
        transform: none;
    }
    
    .portfolio-item:hover img {
        transform: none;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .font-serif {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
}