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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-body);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--text-main);
    line-height: var(--leading-tight);
}

p {
    color: var(--text-muted);
}

a {
    transition: color var(--duration-fast) var(--ease-out);
}

/* Scrollbars */
::-webkit-scrollbar { 
    width: 6px; 
    height: 6px; 
}
::-webkit-scrollbar-track { 
    background: transparent; 
}
::-webkit-scrollbar-thumb { 
    background: rgba(0, 0, 0, 0.08); 
    border-radius: 10px; 
}
::-webkit-scrollbar-thumb:hover { 
    background: rgba(0, 0, 0, 0.15); 
}

/* Animations */
@keyframes layoutFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}