/* ── Base & Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* ── Floating Animations ── */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}
@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}
.animate-float { animation: float 4s ease-in-out infinite; }
.animate-float-delayed { animation: float-delayed 4s ease-in-out 1.5s infinite; }

/* ── Scroll Reveal ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .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; }
}

/* ── Navbar Scrolled State ── */
.navbar-scrolled {
    background: rgba(253, 251, 247, 0.92) !important;
    backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(5, 150, 105, 0.1) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06) !important;
}

/* ── Menu Tabs ── */
.menu-tab {
    background: transparent;
    color: #6B7280;
    border: 1.5px solid #E5E7EB;
    cursor: pointer;
    font-family: 'Inter', system-ui, sans-serif;
}
.menu-tab:hover {
    color: #059669;
    border-color: #A7F3D0;
    background: #ECFDF5;
}
.menu-tab.active {
    background: #059669;
    color: white;
    border-color: #059669;
    box-shadow: 0 4px 14px rgba(5, 150, 105, 0.3);
}

/* ── Menu Item Hide/Show ── */
.menu-item { display: block; }
.menu-item.hidden-item {
    display: none;
}

/* ── Mobile Menu ── */
#mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #FAF5EC; }
::-webkit-scrollbar-thumb { background: #D1FAE5; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #A7F3D0; }

/* ── Selection ── */
::selection { background: #D1FAE5; color: #064E3B; }

/* ── Focus Visible ── */
:focus-visible { outline: 2px solid #059669; outline-offset: 2px; border-radius: 4px; }

/* ── Utility ── */
@media (max-width: 768px) {
    .font-display { line-height: 1.15; }
}