/* Base custom styles */
:root {
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --slate-850: #0f172a;
}

/* Smooth scroll offset for fixed nav */
html {
    scroll-padding-top: 80px;
}

/* Prevent content flash before JS loads */
.no-js .reveal {
    opacity: 1 !important;
    transform: none !important;
}

/* Reveal animations — progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .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; }
}

/* Service card hover lift */
.service-card {
    will-change: transform;
}

/* Navbar scrolled state */
.nav-scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

/* Mobile menu transition */
#mobile-menu {
    animation: slideDown 0.25s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid var(--teal-600);
    outline-offset: 2px;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Subtle pulse for the hero indicator */
@keyframes softPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.15); }
}
.animate-pulse {
    animation: softPulse 2s ease-in-out infinite;
}