* { box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--bg); }

body {
    margin: 0;
    min-width: 320px;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 22px;
    line-height: 1.5;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

button, input { color: inherit; font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { border: 0; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--accent); color: var(--bg); }

/* CRT overlay: scanlines + vignette */
body::after {
    content: "";
    position: fixed;
    z-index: 999;
    inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0) 0px,
        rgba(0, 0, 0, 0) 2px,
        rgba(0, 0, 0, 0.16) 3px,
        rgba(0, 0, 0, 0) 4px
    );
    opacity: 0.5;
}

body::before {
    content: "";
    position: fixed;
    z-index: 998;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at 50% 45%, transparent 58%, rgba(0, 0, 0, 0.38) 100%);
}

.site-shell {
    width: min(100%, 1600px);
    margin-inline: auto;
    overflow: clip;
    border-inline: 1px solid var(--line);
}

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}