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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Hero animations */
.hero-title {
    opacity: 0;
    transform: translateY(30px);
    animation: heroReveal 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.hero-subtitle {
    opacity: 0;
    transform: translateY(20px);
    animation: heroReveal 1s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
}

.hero-body {
    opacity: 0;
    transform: translateY(20px);
    animation: heroReveal 1s cubic-bezier(0.16, 1, 0.3, 1) 0.35s forwards;
}

.hero-ctas {
    opacity: 0;
    transform: translateY(20px);
    animation: heroReveal 1s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

@keyframes heroReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal — progressive enhancement via JS */
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar transitions */
.nav-scrolled {
    background: rgba(253, 252, 250, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(22, 101, 52, 0.08);
}

.nav-scrolled .nav-logo {
    color: rgb(20, 83, 45) !important;
}

.nav-scrolled a:not(.bg-emerald-800) {
    color: rgb(22, 101, 52) !important;
}

/* Service card subtle lift */
.service-card {
    transition: background-color 0.5s ease;
}

/* Mobile menu */
#mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(22, 101, 52, 0.08);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* Selection color */
::selection {
    background: rgb(22, 101, 52, 0.15);
    color: rgb(20, 83, 45);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: rgb(253, 252, 250);
}

::-webkit-scrollbar-thumb {
    background: rgb(180, 210, 188);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgb(134, 187, 148);
}