* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Inter", system-ui, sans-serif;
    font-size: var(--fs);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased
}

h1,
h2,
h3,
h4 {
    font-family: "DM Sans", system-ui, sans-serif;
    color: var(--ink);
    line-height: 1.2;
    margin: 0 0 .5em;
    font-weight: 600
}

a {
    color: var(--primary);
    text-decoration: none
}

a:hover {
    text-decoration: underline
}

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

.wrap {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 22px
}

.eyebrow {
    font-family: "IBM Plex Mono", monospace;
    font-size: .72rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 600
}

.mono {
    font-family: "IBM Plex Mono", monospace
}

/* accessibility */
.skip {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--ink);
    color: #fff;
    padding: 10px 16px;
    z-index: 1000
}

.skip:focus {
    left: 8px;
    top: 8px
}

:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
    border-radius: 3px
}

@media (prefers-reduced-motion:reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important
    }
}

/* demo ribbon — remove for production (NIQ go-live checklist) */
.demo {
    background: repeating-linear-gradient(45deg, #2C3850, #2C3850 12px, #34415c 12px, #34415c 24px);
    color: #fff;
    font-size: .8rem;
    text-align: center;
    padding: 7px 44px 7px 16px;
    position: relative;
    font-weight: 500;
    letter-spacing: .02em
}

.demo b {
    color: var(--accent-soft)
}

.demo button {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .4);
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
    width: 24px;
    height: 24px;
    line-height: 1
}