/* ========== BASE ========== */
html {
    scroll-behavior: smooth;
}

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

/* ========== NAVBAR ========== */
#navbar {
    background: rgba(250, 250, 246, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

/* ========== HERO STATS ========== */
.stat-card {
    transform: translateY(0);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(22, 101, 52, 0.15);
}

/* ========== SERVICE CARDS ========== */
.service-card {
    transform: translateY(0);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(22, 101, 52, 0.2);
}

/* ========== APPROACH CARDS ========== */
.approach-card {
    transform: translateY(0);
    transition: transform 0.35s ease, background 0.35s ease;
}

.approach-card:hover {
    transform: translateY(-4px);
}

/* ========== CONTACT CARDS ========== */
.contact-card {
    transform: translateY(0);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* ========== REVEAL ANIMATIONS ========== */
/* Default state: visible (no JS required) */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

/* Enhanced state: hidden until scrolled (progressive enhancement via JS) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }

    .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; }
}

/* ========== MOBILE MENU ========== */
#mobile-menu {
    animation: slideDown 0.25s ease;
}

@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(0, 0, 0, 0.06);
    transition: color 0.2s ease;
}

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

.mobile-link:hover {
    color: #166534;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f5f5ee;
}

::-webkit-scrollbar-thumb {
    background: #b0d4b0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7cb87c;
}

/* ========== FOCUS ========== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #166534;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ========== PRINT ========== */
@media print {
    #navbar, #mobile-menu, footer { display: none; }
    body { color: #000; background: #fff; }
}