* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Helvetica, Arial, sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    overflow-x: hidden;
    overflow-y: auto;
    position: relative;
    min-height: 100vh;
}

/* Invisible scrollbar - works on all browsers */
body {
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}

body::-webkit-scrollbar {
    display: none;  /* Chrome, Safari, Opera */
}

/* Subtle grain texture overlay */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='2' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
    opacity: 0.3;
    pointer-events: none;
    z-index: 2;
}