:root {
    /* User Requested Variables */
    --neural-charcoal: #1A1A1A;
    --takashi-red: #E21F26;
    --everytown-blue: #007AFF;

    /* Global Rules Variables */
    --touch-target: 48px;
    --safe-area-inset: env(safe-area-inset-bottom, 20px);
    --font-headline: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Mobile-First Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--touch-target);
    min-width: var(--touch-target);
    padding: 12px 24px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    /* Modern rounded corners */
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
    width: 100%;
    /* Default full width on mobile */
    text-align: center;
}

@media (min-width: 600px) {
    .btn {
        width: auto;
        /* Inline on larger screens */
    }
}

/* 2026 Visual Depth - Film Grain */
.bg-grain {
    background-color: #121212;
    position: relative;
    isolation: isolate;
}

.bg-grain::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: 0.05;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    mix-blend-mode: overlay;
}