/* 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 — progressive enhancement, works without JS */
.scroll-reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal.is-hidden {
        opacity: 0;
        transform: translateY(32px);
    }
    
    .scroll-reveal.is-visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar transitions */
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

#navbar.scrolled .font-serif {
    color: #2e2e36;
}

/* Hero animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@media (prefers-reduced-motion: no-preference) {
    .floating-card-1 {
        animation: float 6s ease-in-out infinite;
    }
    
    .floating-card-2 {
        animation: float 5s ease-in-out infinite 1s;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f7f7f8;
}

::-webkit-scrollbar-thumb {
    background: #d6d6db;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #b0b0bc;
}

/* Selection color */
::selection {
    background: #ff6b44;
    color: white;
}