/* ==========================================================================
   base.css — design tokens, minimal reset, typography helpers
   ========================================================================== */

:root {
    /* Colour */
    --bg: #050505;
    --text: #f3f3f3;
    --accent: #ffffff;

    /* Typography (web fonts are loaded from index.html; stacks keep a sane fallback) */
    --font-body: 'Inter', sans-serif;
    --font-display: 'Syne', sans-serif;
    --font-number: 'Space Grotesk', sans-serif;
    --font-devanagari: 'Matangi', sans-serif;
    --font-brand: 'Clash Display', sans-serif;

    /* Motion */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-snap: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);

    /* Layout */
    --layout-pad: 1.5rem;
    --action-size: 110px;
    --action-bottom: max(2rem, 8vh);
}

@media (min-width: 768px) {
    :root {
        --layout-pad: 2rem;
        --action-size: 130px;
        --action-bottom: max(2.5rem, 10vh);
    }
}

/* ---- Reset (the parts of a modern reset this app actually relies on) ---- */

*,
::before,
::after {
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
}

html {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    padding: 0;
    line-height: inherit;
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    touch-action: none;
}

h1, h2, h3, p {
    margin: 0;
    font-size: inherit;
    font-weight: inherit;
}

button {
    font-family: inherit;
    font-size: 100%;
    font-weight: inherit;
    line-height: inherit;
    letter-spacing: inherit;
    color: inherit;
    margin: 0;
    padding: 0;
    text-transform: none;
    background-color: transparent;
    background-image: none;
    -webkit-appearance: button;
    appearance: button;
    cursor: pointer;
}

svg,
canvas {
    display: block;
    vertical-align: middle;
}

[hidden] {
    display: none !important;
}

/* ---- Typography helpers ---- */

.font-display { font-family: var(--font-display); }
.font-brand   { font-family: var(--font-brand); }

.font-number {
    font-family: var(--font-number);
    font-variant-numeric: tabular-nums;
}

.font-devanagari {
    font-family: var(--font-devanagari);
    font-optical-sizing: auto;
}

/* Visually hidden, still announced by screen readers */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

/* Elements that should react to pointer input (the UI layer itself is click-through).
   Inert until the intro finishes so nothing can be triggered behind the loader. */
.interactive {
    pointer-events: auto;
    cursor: none;
}

html:not(.is-ready) .interactive {
    pointer-events: none;
}

@media (pointer: coarse) {
    .interactive { cursor: auto !important; }
}

@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
        animation-duration: 0.01ms !important;
        animation-delay: 0ms !important;
        transition-duration: 0.01ms !important;
    }
}