/* Base styles & custom properties */
:root {
    --emerald-950: #022c22;
    --emerald-900: #064e3b;
    --emerald-800: #065f46;
    --emerald-700: #047857;
    --emerald-600: #059669;
    --emerald-500: #10b981;
    --emerald-400: #34d399;
    --emerald-300: #6ee7b7;
    --emerald-200: #a7f3d0;
    --emerald-100: #d1fae5;
    --emerald-50: #ecfdf5;
    --cream-50: #fdfcf8;
    --cream-100: #faf6ee;
}

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* Scroll reveal animations - progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .testimonial-card,
    .gallery-item {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.5s ease, border-color 0.5s ease, background-color 0.5s ease;
    }
    
    .service-card:hover,
    .testimonial-card:hover {
        transform: translateY(-4px);
    }
}

/* Navbar transition */
.nav-scrolled {
    background: rgba(253, 252, 248, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(6, 78, 59, 0.08);
}

.nav-scrolled .nav-link {
    color: #064e3b !important;
}

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

::-webkit-scrollbar-track {
    background: #fdfcf8;
}

::-webkit-scrollbar-thumb {
    background: #065f46;
    border-radius: 4px;
}

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

/* Selection color */
::selection {
    background: #065f46;
    color: #fdfcf8;
}

/* Image lazy loading fade */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

img[data-src] {
    opacity: 0;
}

img[data-src].loaded {
    opacity: 1;
}

/* Floating animation for stat cards */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

.floating-card-1 {
    animation: float 4s ease-in-out infinite;
}

.floating-card-2 {
    animation: float-delayed 5s ease-in-out infinite;
    animation-delay: 1s;
}

/* Pulse for status dot */
@keyframes soft-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-soft-pulse {
    animation: soft-pulse 2s ease-in-out infinite;
}

/* Gallery hover effect */
.gallery-item {
    overflow: hidden;
}

.gallery-item img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Form focus styles */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

/* Button hover lift */
button, a {
    transition: all 0.3s ease;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}