/* ============================================
   Middleburg Nutrition — Custom Styles
   ============================================ */

/* Base & Smooth Scrolling */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Selection color */
::selection {
    background-color: #f9c4b0;
    color: #8a2c19;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #FDF8F0;
}
::-webkit-scrollbar-thumb {
    background: #e0ad4b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #d1401e;
}

/* Navbar transition */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(253, 248, 240, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

/* Mobile menu */
#mobileMenu.open {
    opacity: 1;
    visibility: visible;
}

#mobileMenu .mobile-link {
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.3s ease;
}

#mobileMenu.open .mobile-link {
    transform: translateY(0);
    opacity: 1;
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Menu button animation */
#menuBtn.active #menuIcon span:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}
#menuBtn.active #menuIcon span:nth-child(2) {
    opacity: 0;
    width: 0;
}
#menuBtn.active #menuIcon span:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
}

/* Scroll indicator animation */
@keyframes scrollDown {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

.animate-scrollDown {
    animation: scrollDown 1.5s ease-in-out infinite;
}

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 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; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .animate-scrollDown {
        animation: none;
    }
    .group:hover img {
        transform: none;
    }
}

/* Focus visible */
:focus-visible {
    outline: 2px solid #e55a2e;
    outline-offset: 2px;
}

/* Image loading placeholder */
img {
    background-color: #f5ebe0;
}