/* 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: #f6f6f7;
}
::-webkit-scrollbar-thumb {
    background: #c4c4cc;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #9b9ba5;
}

/* Service card hover lift */
.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);
}

/* Nav transition states */
.nav-scrolled #mainNav {
    background: rgba(255, 255, 255, 0.97) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.nav-scrolled #mainNav .text-charcoal-600 {
    color: #565661 !important;
}

/* Mobile menu animation */
#mobileMenu {
    max-height: 0;
}
#mobileMenu.open {
    max-height: 400px;
}

/* Scroll reveal base — always visible by default */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

@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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* Subtle pattern overlay for hero */
#hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.03) 1px, transparent 0);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 1;
}
#hero > * {
    position: relative;
    z-index: 2;
}