*, *::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;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: #064e3b;
    color: #faf8f3;
    padding: 0.5rem 1rem;
    z-index: 100;
    font-size: 0.875rem;
    text-decoration: none;
    border-radius: 4px;
}

.skip-link:focus {
    top: 1rem;
}

/* Header scroll state */
#site-header.scrolled {
    background: rgba(250, 248, 243, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(6, 78, 59, 0.06);
}

.header-link {
    position: relative;
}

.header-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}

.header-link:hover::after {
    width: 100%;
}

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

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

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

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

/* Scroll reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

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

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

.animate-scroll-line {
    animation: scrollLine 1.5s ease-in-out infinite;
}

/* Image hover smoothness */
img {
    display: block;
    max-width: 100%;
}

/* Selection color */
::selection {
    background: rgba(6, 78, 59, 0.15);
    color: #064e3b;
}

/* Smooth focus outlines */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #064e3b;
    outline-offset: 2px;
    border-radius: 2px;
}

/* Subtle image loading shimmer */
img {
    background: linear-gradient(135deg, #ebe4d4 0%, #f5f0e8 100%);
}

/* Gallery image transitions */
.aspect-square img {
    will-change: transform;
}

/* Menu item hover line */
#menu ul li {
    position: relative;
    padding-bottom: 0.25rem;
}

#menu ul li::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: rgba(6, 78, 59, 0.15);
    transition: width 0.3s ease;
}

#menu ul li:hover::after {
    width: 100%;
}