/* ============================================
   H & H Nutrition — Custom Styles
   ============================================ */

/* --- Smooth Scrolling --- */
html {
    scroll-behavior: smooth;
}

/* --- Selection Color --- */
::selection {
    background-color: rgba(94, 234, 212, 0.3);
    color: #0A2540;
}

/* --- Product Card Hover Lift --- */
.product-card {
    transform: translateY(0);
}

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

/* --- Feature Card Hover Glow --- */
.feature-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Mobile Menu Transition --- */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    opacity: 0;
}

#mobile-menu.open {
    max-height: 400px;
    opacity: 1;
}

/* --- Mobile Link Hover --- */
.mobile-link {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

/* --- Scroll Reveal Base (progressive enhancement) --- */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion: disable transitions */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .product-card,
    .feature-card {
        transition: none;
    }
    
    .product-card:hover {
        transform: none;
    }
}

/* --- Navbar Scroll State --- */
#navbar.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* --- Button Focus States --- */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #5EEAD4;
    outline-offset: 2px;
    border-radius: 4px;
}

/* --- Image Placeholder Fallback --- */
img {
    background: linear-gradient(135deg, #E8F0F8 0%, #C5D5E8 100%);
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0A2540;
}

::-webkit-scrollbar-thumb {
    background: #2E5896;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #5EEAD4;
}

/* --- Staggered Reveal Delays --- */
.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; }