*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body { margin: 0; }

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.animate-float { animation: float 4s ease-in-out infinite; }
.animate-float-delayed { animation: float-delayed 4.5s ease-in-out infinite 0.5s; }

.service-card {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease, transform 0.5s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .service-card {
        opacity: 0;
        transform: translateY(24px);
    }
    .service-card.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-scrolled {
    box-shadow: 0 1px 12px rgba(0,0,0,0.08);
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f5f5f4; }
::-webkit-scrollbar-thumb { background: #d4d4d8; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #a1a1aa; }