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

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

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(185, 28, 28, 0.15);
    color: #3d0a0a;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #fdf8f6;
}
::-webkit-scrollbar-thumb {
    background: #d4a8a8;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #b91c1c;
}

/* Navbar transitions */
#navbar.scrolled {
    background-color: rgba(253, 248, 246, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(122, 31, 31, 0.08);
}

#navbar.scrolled .text-burgundy-950 {
    color: #3d0a0a !important;
}

#navbar.scrolled a.text-burgundy-800 {
    color: #6b1d1d !important;
}

#navbar.scrolled a.text-burgundy-800:hover {
    color: #b91c1c !important;
}

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

/* Hamburger animation */
#mobile-menu-btn.active #line1 {
    transform: rotate(45deg) translate(3px, 3px);
}
#mobile-menu-btn.active #line2 {
    opacity: 0;
}
#mobile-menu-btn.active #line3 {
    width: 24px;
    transform: rotate(-45deg) translate(3px, -3px);
}

/* Scroll reveal base — progressive enhancement via JS */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

/* Focus visible */
:focus-visible {
    outline: 2px solid #b91c1c;
    outline-offset: 2px;
}

/* Form select arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23d4a8a8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0 center;
    padding-right: 2rem !important;
}