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

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

body {
    overflow-x: hidden;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #059669;
    transition: all 0.2s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 60%;
}

.floating-slow {
    animation: float 6s ease-in-out infinite;
}

.floating-medium {
    animation: float 4.5s ease-in-out infinite;
    animation-delay: -1.5s;
}

.floating-fast {
    animation: float 3.5s ease-in-out infinite;
    animation-delay: -0.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-16px); }
}

.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s 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; }

#siteHeader.scrolled {
    box-shadow: 0 1px 20px rgba(4, 78, 59, 0.08);
}

.mobile-menu-open {
    overflow: hidden;
}

#mobileMenu.open {
    transform: translateX(0);
}

#mobileMenuOverlay.open {
    opacity: 1;
    pointer-events: auto;
}

#menuIconOpen.hidden {
    opacity: 0;
    transform: rotate(90deg);
}

#menuIconClose.visible {
    opacity: 1;
    transform: rotate(0deg);
}

#backToTop.visible {
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 767px) {
    html {
        scroll-padding-top: 70px;
    }
}