/* ── Base & Utility ── */
html {
    scroll-behavior: smooth;
}

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

/* ── Hero Gradient ── */
.hero-gradient {
    background: linear-gradient(135deg, #064e3b 0%, #047857 35%, #059669 60%, #10b981 100%);
}

/* ── Navigation ── */
.nav-scrolled {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(253, 252, 248, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.nav-scrolled .nav-link {
    color: #44403c;
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-left {
        opacity: 1;
        transform: translateX(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-right {
        opacity: 1;
        transform: translateX(0);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
}

.reveal-up,
.reveal-left,
.reveal-right {
    /* JS will add the visible class */
}

.reveal-up {
    opacity: 0;
    transform: translateY(30px);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
}

.reveal-visible.reveal-up,
.reveal-visible.reveal-left,
.reveal-visible.reveal-right {
    opacity: 1;
    transform: translate(0);
}

/* ── Mobile Menu ── */
.mobile-link {
    border-radius: 0.75rem;
    padding: 0.5rem 0.75rem;
    transition: background 0.2s ease, color 0.2s ease;
}

.mobile-link:hover {
    background: rgba(5, 150, 105, 0.08);
    color: #047857;
}

/* ── Focus Styles ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #059669;
    outline-offset: 2px;
    border-radius: 0.5rem;
}

/* ── Image Hover ── */
img {
    display: block;
    max-width: 100%;
}

/* ── Selection ── */
::selection {
    background: #d1fae5;
    color: #064e3b;
}