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

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

body {
    overflow-x: hidden;
}

/* Scroll Reveal Base States */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(40px);
    }
    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
    }
    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
    }
}

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

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

#navbar.scrolled .nav-link {
    color: #57534e;
}

#navbar.scrolled .menu-line {
    background: #44403c;
}

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

#mobileMenu.open .mobile-link {
    animation: fadeDown 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Menu Button Active State */
#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
#menuBtn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#menuBtn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 1.5rem;
}

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

/* Selection color */
::selection {
    background: #f8c4b0;
    color: #6b261a;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #fdf8f0;
}
::-webkit-scrollbar-thumb {
    background: #e8734a;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c44420;
}