/* Base & Utilities */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection {
    background: rgba(5, 150, 105, 0.2);
    color: #064E3B;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #FDFCF8;
}
::-webkit-scrollbar-thumb {
    background: #A7F3D0;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #34D399;
}

/* Reveal Animations */
.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);
}

.reveal[data-reveal-state="hidden"] {
    opacity: 0;
    transform: translateY(30px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar */
#navbar {
    background: transparent;
    border-bottom: 1px solid transparent;
}

#navbar.scrolled {
    background: rgba(253, 252, 248, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: rgba(167, 243, 208, 0.3);
    box-shadow: 0 1px 20px rgba(4, 120, 87, 0.06);
}

/* Mobile menu */
#mobile-menu.open {
    opacity: 1 !important;
    pointer-events: auto !important;
}

#mobile-menu.closed {
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Form select arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23A7F3D0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Smooth image loading */
img {
    loading: lazy;
}

/* Focus visible */
:focus-visible {
    outline: 2px solid #34D399;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Button ripple-like scale */
button, a {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}