/* Base & Utilities */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #ecfdf5;
}
::-webkit-scrollbar-thumb {
    background: #059669;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #047857;
}

/* Navigation scroll state */
.nav-scrolled {
    background: rgba(254, 253, 248, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(6, 78, 59, 0.08), 0 4px 20px rgba(6, 78, 59, 0.06);
}

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

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

.nav-scrolled .nav-link:hover {
    color: #059669 !important;
}

/* Scroll reveal animations (progressive enhancement) */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    .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; }
}

/* Service card hover */
.service-card {
    border: 1px solid transparent;
}

.service-card:hover {
    border-color: rgba(110, 231, 183, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(6, 78, 59, 0.2);
}

.service-card a {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.service-card:hover a {
    opacity: 1;
}

/* Process step */
.process-step {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .process-step {
        opacity: 0;
        transform: translateY(20px);
    }
    .process-step.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile menu animation */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

#mobile-menu.open {
    max-height: 400px;
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid #059669;
    outline-offset: 2px;
}

/* Selection color */
::selection {
    background: #d1fae5;
    color: #064e3b;
}