/* Base */
*, *::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 — progressive enhancement, only active when JS supports it */
.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) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Navbar scroll state */
.navbar-scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #1A1A2E;
}
::-webkit-scrollbar-thumb {
    background: #3D3D5C;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #FF6B4A;
}

/* Selection */
::selection {
    background: #FF6B4A;
    color: #1A1A2E;
}

/* Image aspect ratio utilities */
.aspect-card {
    aspect-ratio: 4 / 3;
}

/* Focus visible */
:focus-visible {
    outline: 2px solid #FF6B4A;
    outline-offset: 2px;
}

/* Smooth image loading */
img {
    image-rendering: auto;
    loading: lazy;
}

/* Prevent layout shift on images */
img {
    max-width: 100%;
    height: auto;
}

/* Subtle animation for decorative elements */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(45deg); }
    50% { transform: translateY(-10px) rotate(45deg); }
}

@keyframes floatSlow {
    0%, 100% { transform: translateY(0px) rotate(12deg); }
    50% { transform: translateY(-8px) rotate(12deg); }
}

@media (prefers-reduced-motion: no-preference) {
    .float-slow {
        animation: floatSlow 6s ease-in-out infinite;
    }
    .float {
        animation: float 4s ease-in-out infinite;
    }
}