:root {
    color-scheme: dark;
    --lab-bg: #0a0c10;
    --lab-panel: rgba(255, 255, 255, 0.035);
    --lab-panel-strong: rgba(255, 255, 255, 0.058);
    --lab-border: rgba(255, 255, 255, 0.105);
    --lab-text: #f0f3f2;
    --lab-muted: rgba(235, 242, 239, 0.68);
    --lab-muter: rgba(235, 242, 239, 0.46);
    --lab-accent: #77ffd5;
    --lab-violet: #997bff;
    --lab-danger: #ff7d7d;
    --lab-radius: 18px;
    --lab-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    --lab-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--lab-bg);
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--lab-text);
    background:
        radial-gradient(circle at 10% 4%, rgba(119, 255, 213, 0.07), transparent 27rem),
        radial-gradient(circle at 88% 32%, rgba(153, 123, 255, 0.06), transparent 30rem),
        var(--lab-bg);
    font-family: var(--lab-sans);
    -webkit-font-smoothing: antialiased;
}

button,
input,
textarea,
select {
    font: inherit;
}

a {
    color: inherit;
}

.lab-container {
    width: min(1180px, calc(100% - 2rem));
    margin-inline: auto;
}

.lab-kicker {
    color: var(--lab-accent);
    font-family: var(--lab-mono);
    font-size: 0.7rem;
    font-weight: 750;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.lab-shell-header {
    position: sticky;
    z-index: 50;
    top: 0;
    border-bottom: 1px solid transparent;
    background: rgba(10, 12, 16, 0.76);
    backdrop-filter: blur(18px);
    transition: border-color 180ms ease, background 180ms ease;
}

.lab-shell-header.is-scrolled {
    border-bottom-color: var(--lab-border);
    background: rgba(10, 12, 16, 0.92);
}

.lab-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 1.4rem;
}

.lab-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.lab-mark {
    position: relative;
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    overflow: hidden;
    border: 1px solid rgba(119, 255, 213, 0.42);
    border-radius: 11px;
    background: rgba(119, 255, 213, 0.08);
}

.lab-mark::before,
.lab-mark::after {
    content: "";
    position: absolute;
    border-radius: 50%;
}

.lab-mark::before {
    width: 18px;
    height: 18px;
    border: 1px solid var(--lab-accent);
}

.lab-mark::after {
    width: 5px;
    height: 5px;
    background: var(--lab-accent);
    box-shadow: 0 0 12px var(--lab-accent);
}

.lab-brand-copy {
    line-height: 1.05;
}

.lab-brand-name {
    font-size: 0.9rem;
    font-weight: 780;
}

.lab-brand-sub {
    margin-top: 0.22rem;
    color: var(--lab-muter);
    font-family: var(--lab-mono);
    font-size: 0.58rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.lab-nav-links {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.lab-nav-link {
    padding: 0.65rem 0.8rem;
    border: 1px solid transparent;
    border-radius: 10px;
    color: var(--lab-muted);
    font-family: var(--lab-mono);
    font-size: 0.68rem;
    text-decoration: none;
    transition: color 150ms ease, border-color 150ms ease, background 150ms ease;
}

.lab-nav-link:hover,
.lab-nav-link[aria-current="page"] {
    border-color: var(--lab-border);
    color: var(--lab-text);
    background: var(--lab-panel);
}

.lab-shell-footer {
    padding: 0 0 1.4rem;
}

.lab-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.2rem 0;
    border-top: 1px solid var(--lab-border);
    color: var(--lab-muter);
    font-family: var(--lab-mono);
    font-size: 0.66rem;
    line-height: 1.6;
}

.lab-footer-links {
    display: flex;
    gap: 1rem;
}

.lab-footer-links a {
    color: var(--lab-muted);
    text-decoration: none;
}

.lab-footer-links a:hover {
    color: var(--lab-accent);
}

.lab-project-hero {
    padding-top: clamp(3.5rem, 8vw, 7rem);
    padding-bottom: clamp(2.5rem, 6vw, 5rem);
}

.lab-project-hero h1 {
    max-width: 900px;
    margin: 0.8rem 0 1rem;
    font-size: clamp(3rem, 8vw, 6.8rem);
    letter-spacing: -0.072em;
    line-height: 0.92;
}

.lab-project-hero p {
    max-width: 700px;
    margin: 0;
    color: var(--lab-muted);
    font-size: clamp(1rem, 2vw, 1.18rem);
    line-height: 1.7;
}

@media (max-width: 620px) {
    .lab-nav {
        min-height: 64px;
    }

    .lab-nav-link.tools-link {
        display: none;
    }

    .lab-footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.001ms !important;
    }
}