/* ========== BASE & RESET ========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body { margin: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img, svg { display: block; max-width: 100%; }

/* ========== SCROLL REVEAL ========== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}
/* Hidden state — applied by JS for progressive enhancement */
.reveal[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
}
@media (prefers-reduced-motion: reduce) {
    .reveal[data-reveal],
    .reveal { opacity: 1; transform: none; transition: none; }
}

/* ========== CARD HOVER ========== */
.card-hover { will-change: transform; }

/* ========== NAV ACTIVE ========== */
.nav-link.active {
    background: rgba(5, 150, 105, 0.08);
    color: #047857;
}

/* ========== MOBILE MENU TRANSITIONS ========== */
#mobile-menu {
    animation: slideDown 0.2s ease-out;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ========== FOCUS VISIBLE ========== */
*:focus-visible {
    outline: 2px solid #10B981;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ========== SELECTION ========== */
::selection {
    background: #A7F3D0;
    color: #064E3B;
}