*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Scroll reveal base — content always visible, animation is progressive enhancement */
.scroll-reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .scroll-reveal:not(.revealed) {
        opacity: 0;
        transform: translateY(30px);
    }
}

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

#mobile-menu:not(.open) {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    opacity: 1;
    transform: none;
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

#mobile-menu:not(.open) .mobile-link {
    opacity: 0;
    transform: translateY(10px);
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(30, 19, 16, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* Menu lines animation */
#mobile-menu-btn.open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
#mobile-menu-btn.open .menu-line:nth-child(2) {
    opacity: 0;
}
#mobile-menu-btn.open .menu-line:nth-child(3) {
    width: 20px;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #fdf6f3;
}
::-webkit-scrollbar-thumb {
    background: #d4a0aa;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #7B2D3B;
}

/* Selection */
::selection {
    background: rgba(123, 45, 59, 0.2);
    color: #5e1f2a;
}

/* Focus visible */
:focus-visible {
    outline: 2px solid #7B2D3B;
    outline-offset: 2px;
}

/* Image lazy load fade */
img[loading="lazy"] {
    opacity: 1;
    transition: opacity 0.4s ease;
}