/* Base reset and custom properties */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    overflow-x: hidden;
}

/* Scroll indicator animation */
@keyframes scrollIndicator {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(100%);
        opacity: 0;
    }
}

.animate-scroll-indicator {
    animation: scrollIndicator 1.5s ease-in-out infinite;
}

/* Writing mode for scroll label */
.writing-mode-vertical {
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

/* Navbar transition states */
.nav-scrolled {
    background: rgba(250, 248, 245, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(104, 62, 48, 0.08);
}

.nav-scrolled .menu-line {
    background: #2C2825 !important;
}

/* Mobile menu transitions */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

/* Menu line animation */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menuBtn.active .menu-line:first-child {
    transform: rotate(45deg) translate(3px, 3px);
}

#menuBtn.active .menu-line:last-child {
    transform: rotate(-45deg) translate(3px, -3px);
}

/* Mobile link stagger */
.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

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

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

/* Selection color */
::selection {
    background: rgba(148, 92, 70, 0.15);
    color: #3a2018;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #945c46;
    outline-offset: 4px;
    border-radius: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .animate-scroll-indicator {
        animation: none;
    }
}

/* Thin scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #FAF8F5;
}

::-webkit-scrollbar-thumb {
    background: #d4b8b0;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #b07860;
}

/* Image loading placeholder */
img {
    background-color: #F5F2ED;
}

/* Subtle hover underline for links */
a {
    text-decoration: none;
}

/* Smooth image rendering */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}