:root {
    --li-ink: #101214;
    --li-paper: #f2efe7;
    --li-panel: #fffdf7;
    --li-line: #bbb7ad;
    --li-soft-line: #d8d4ca;
    --li-muted: #67655f;
    --li-signal: #c93613;
    --li-blue: #155dfc;
    --li-green: #147a55;
    --li-yellow: #f1ba2b;
    --li-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    --li-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    overflow-x: hidden;
    background: var(--li-paper);
    color: var(--li-ink);
    font-family: var(--li-sans);
    -webkit-font-smoothing: antialiased;
}
body::before {
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--li-signal) 0 33%, var(--li-blue) 33% 66%, var(--li-green) 66%);
    content: "";
}
a { color: inherit; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
.li-shell { width: min(1240px, calc(100% - 48px)); margin: 0 auto; }
.li-mono {
    font-family: var(--li-mono);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.li-kicker { margin: 0 0 16px; color: var(--li-signal); }
.li-section-head {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(260px, .55fr);
    align-items: end;
    gap: 64px;
    margin-bottom: 34px;
}
.li-section-head h2 {
    max-width: 780px;
    margin: 0;
    font-size: clamp(36px, 5.2vw, 68px);
    line-height: .98;
    letter-spacing: -.06em;
}
.li-section-head > p {
    margin: 0;
    color: var(--li-muted);
    font-size: 16px;
    line-height: 1.65;
}

/* Header */
.li-nav {
    position: sticky;
    z-index: 100;
    top: 3px;
    border-bottom: 1px solid var(--li-ink);
    background: color-mix(in srgb, var(--li-paper) 94%, transparent);
    backdrop-filter: blur(14px);
}
.li-nav-inner {
    display: flex;
    min-height: 68px;
    align-items: center;
    gap: 24px;
}
.li-nav .logo { flex: 0 0 auto; }
.li-brand {
    font-size: 22px;
    font-weight: 900;
    letter-spacing: -.055em;
    text-decoration: none;
}
.li-nav .nav-menu {
    display: flex;
    min-width: 0;
    flex: 1;
    align-items: center;
    gap: 3px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.li-nav .nav-menu > li { position: relative; }
.li-nav .nav-menu > li.nav-cta-start { margin-left: auto; }
.li-nav .nav-menu a,
.li-nav .nav-dropdown-toggle,
.li-nav .language-switcher-toggle {
    display: inline-flex;
    min-height: 38px;
    align-items: center;
    padding: 0 10px;
    border: 0;
    background: transparent;
    color: var(--li-ink);
    cursor: pointer;
    font-family: var(--li-sans);
    font-size: 12px;
    font-weight: 750;
    text-decoration: none;
    white-space: nowrap;
}
.li-nav .nav-menu a:not(.btn):hover,
.li-nav .nav-dropdown-toggle:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}
.li-nav .nav-dropdown-toggle::after,
.li-nav .language-switcher-toggle::after {
    margin-left: 6px;
    content: "↓";
    font-family: var(--li-mono);
    font-size: 9px;
}
.li-nav .nav-dropdown-toggle[aria-expanded="true"]::after,
.li-nav .language-switcher-toggle[aria-expanded="true"]::after { transform: rotate(180deg); }
.li-nav .nav-mega-menu,
.li-nav .nav-dropdown-menu,
.li-nav .language-switcher-menu {
    position: absolute;
    z-index: 120;
    top: calc(100% + 14px);
    left: 0;
    margin: 0;
    border: 1px solid var(--li-ink);
    background: var(--li-panel);
    box-shadow: 5px 5px 0 var(--li-ink);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: opacity .16s ease, transform .16s ease, visibility .16s;
}
.li-nav .nav-mega-menu {
    display: grid;
    width: min(680px, calc(100vw - 48px));
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
}
.li-nav .nav-mega-menu.show,
.li-nav .nav-dropdown-menu.show,
.li-nav .language-switcher-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.li-nav .mega-menu-column { padding: 18px; border-right: 1px solid var(--li-soft-line); }
.li-nav .mega-menu-column:last-child { border-right: 0; }
.li-nav .mega-menu-title {
    margin: 0 0 10px;
    color: var(--li-signal);
    font-family: var(--li-mono);
    font-size: 9px;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.li-nav .mega-menu-items { margin: 0; padding: 0; list-style: none; }
.li-nav .mega-menu-items a,
.li-nav .nav-dropdown-menu a,
.li-nav .language-switcher-menu a {
    display: flex;
    min-height: 36px;
    padding: 8px 10px;
    white-space: normal;
}
.li-nav .mega-menu-items a:hover,
.li-nav .nav-dropdown-menu a:hover,
.li-nav .language-switcher-menu a:hover {
    background: var(--li-ink);
    color: white;
    text-decoration: none;
}
.li-nav .nav-dropdown-menu,
.li-nav .language-switcher-menu { min-width: 230px; padding: 8px; }
.li-nav .language-switcher-menu { right: 0; left: auto; }
.li-nav .language-switcher-menu .lang-option { justify-content: space-between; gap: 12px; }
.li-nav .nav-menu a.btn {
    min-height: 38px;
    border: 1px solid var(--li-ink);
    background: var(--li-ink);
    color: white;
}
.li-nav .nav-menu a.btn-download {
    border-color: var(--li-signal);
    background: var(--li-signal);
}
.li-nav .nav-menu a.active:not(.btn) { color: var(--li-blue); }
.li-nav .mobile-menu-toggle {
    display: none;
    width: 42px;
    height: 38px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid var(--li-ink);
    background: transparent;
}
.li-nav .mobile-menu-toggle span { width: 18px; height: 1px; background: var(--li-ink); }
.li-nav .mobile-menu-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.li-nav .mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
.li-nav .mobile-menu-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.li-nav .nav-menu button.btn {
    min-height: 38px;
    border: 1px solid var(--li-ink);
    background: transparent;
}

/* Hero */
.li-hero {
    position: relative;
    border-bottom: 1px solid var(--li-ink);
}
.li-hero::after {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 35%;
    height: 1px;
    background: var(--li-signal);
    content: "";
}
.li-hero-grid {
    display: grid;
    min-height: 690px;
    grid-template-columns: minmax(0, .9fr) minmax(520px, 1.1fr);
    gap: 64px;
    align-items: center;
    padding: 70px 0;
}
.li-hero-copy h1 {
    max-width: 700px;
    margin: 0;
    font-size: clamp(58px, 7.5vw, 104px);
    line-height: .86;
    letter-spacing: -.075em;
}
.li-hero-copy h1 span { display: block; color: var(--li-blue); }
.li-hero-copy > p:not(.li-kicker) {
    max-width: 620px;
    margin: 28px 0 0;
    color: var(--li-muted);
    font-size: 18px;
    line-height: 1.55;
}
.li-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.li-button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 0 17px;
    border: 1px solid var(--li-ink);
    background: transparent;
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
}
.li-button.primary { background: var(--li-signal); color: white; border-color: var(--li-signal); }
.li-button.dark { background: var(--li-ink); color: white; }
.li-button:hover { transform: translate(-2px, -2px); box-shadow: 3px 3px 0 var(--li-ink); }
.li-hero-note {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 17px;
    color: var(--li-muted);
    font-family: var(--li-mono);
    font-size: 10px;
}
.li-hero-note::before { width: 7px; height: 7px; background: var(--li-green); content: ""; }
.li-product-stage { position: relative; padding: 0; border: 1px solid var(--li-ink); background: var(--li-panel); }
.li-stage-head {
    display: flex;
    min-height: 37px;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 0 11px;
    border-bottom: 1px solid var(--li-ink);
    color: var(--li-muted);
    font-family: var(--li-mono);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .1em;
}
.li-stage-head strong { display: inline-flex; align-items: center; gap: 7px; color: var(--li-green); }
.li-stage-head i { width: 7px; height: 7px; background: var(--li-green); }
.li-mac-scene { position: relative; overflow: hidden; border-bottom: 1px solid var(--li-ink); }
.li-product-stage .li-mac-scene img {
    width: 100%;
    height: auto;
    aspect-ratio: 1572 / 1001;
    object-fit: cover;
}
.li-mac-chip {
    position: absolute;
    right: 10px;
    bottom: 10px;
    padding: 7px 9px;
    border: 1px solid var(--li-panel);
    background: var(--li-ink);
    color: white;
    font-family: var(--li-mono);
    font-size: 8px;
    font-weight: 800;
    letter-spacing: .08em;
}
.li-stage-legend {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin: 0;
    padding: 0;
    list-style: none;
}
.li-stage-legend li {
    display: grid;
    min-width: 0;
    grid-template-columns: 26px 1fr;
    gap: 8px;
    padding: 12px 10px;
    border-right: 1px solid var(--li-ink);
}
.li-stage-legend li:last-child { border-right: 0; }
.li-stage-legend b { color: var(--li-signal); font-family: var(--li-mono); font-size: 10px; }
.li-stage-legend span { display: grid; min-width: 0; gap: 3px; }
.li-stage-legend strong { font-size: 11px; line-height: 1.2; }
.li-stage-legend small { overflow: hidden; color: var(--li-muted); font-size: 9px; line-height: 1.2; text-overflow: ellipsis; white-space: nowrap; }

/* Protocol band */
.li-protocols { border-bottom: 1px solid var(--li-ink); background: var(--li-ink); color: white; }
.li-protocol-grid { display: grid; grid-template-columns: repeat(6, 1fr); }
.li-protocol-grid span {
    padding: 14px 10px;
    border-left: 1px solid #34383d;
    color: #c8cbd0;
    font-family: var(--li-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    text-align: center;
}
.li-protocol-grid span:last-child { border-right: 1px solid #34383d; }

/* Operating matrix */
.li-operations { padding: 100px 0; }
.li-op-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--li-ink); background: var(--li-panel); }
.li-op {
    display: flex;
    min-height: 310px;
    flex-direction: column;
    padding: 24px;
    border-right: 1px solid var(--li-ink);
}
.li-op:last-child { border-right: 0; }
.li-op-number { margin-bottom: auto; color: var(--li-muted); }
/* Each step carries an icon of the actual job rather than an abstract
   colour swatch; the accent stays as the stroke so the four-colour rhythm
   of the section is preserved. */
.li-op-mark {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    margin-bottom: 23px;
    border: 1px solid var(--li-ink);
    color: var(--li-ink);
}
.li-op-mark svg { display: block; width: 24px; height: 24px; }
.li-op:nth-child(2) .li-op-mark { border-color: var(--li-blue); color: var(--li-blue); }
.li-op:nth-child(3) .li-op-mark { border-color: #b9860a; color: #b9860a; }
.li-op:nth-child(4) .li-op-mark { border-color: var(--li-green); color: var(--li-green); }
.li-op h3 { margin: 0 0 8px; font-size: 23px; letter-spacing: -.035em; }
.li-op p { margin: 0; color: var(--li-muted); font-size: 14px; line-height: 1.6; }

/* Product proof */
.li-proof { padding: 100px 0; border-block: 1px solid var(--li-ink); background: #e9e6de; }
.li-proof-flow { display: grid; gap: 22px; }
.li-proof-step {
    display: grid;
    grid-template-columns: minmax(280px, .62fr) minmax(0, 1.38fr);
    border: 1px solid var(--li-ink);
    background: var(--li-panel);
}
.li-proof-step.reverse { grid-template-columns: minmax(0, 1.38fr) minmax(280px, .62fr); }
.li-proof-step.reverse .li-proof-copy { grid-column: 2; grid-row: 1; border-right: 0; border-left: 1px solid var(--li-ink); }
.li-proof-step.reverse .li-shot { grid-column: 1; grid-row: 1; }
.li-proof-copy {
    padding: 28px;
    border-right: 1px solid var(--li-ink);
}
.li-proof-copy > span { display: block; margin-bottom: 42px; color: var(--li-signal); }
.li-proof-copy h3 { margin: 0; font-size: clamp(26px, 2.6vw, 39px); line-height: 1; letter-spacing: -.05em; }
.li-proof-copy > p { margin: 18px 0 24px; color: var(--li-muted); font-size: 14px; line-height: 1.65; }
.li-proof-copy ul { display: grid; margin: 0; padding: 0; border-top: 1px solid var(--li-soft-line); list-style: none; }
.li-proof-copy li { display: grid; gap: 3px; padding: 11px 0; border-bottom: 1px solid var(--li-soft-line); }
.li-proof-copy li strong { font-size: 12px; }
.li-proof-copy li span { color: var(--li-muted); font-size: 11px; line-height: 1.4; }
.li-shot { min-width: 0; margin: 0; background: #dde0e3; }
.li-shot-bar {
    display: flex;
    min-height: 37px;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 0 12px;
    border-bottom: 1px solid var(--li-ink);
    background: var(--li-ink);
    color: white;
    font-family: var(--li-mono);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .08em;
}
.li-shot img { width: 100%; height: auto; aspect-ratio: 1240 / 666; object-fit: contain; }
.li-shot figcaption { padding: 12px 14px; border-top: 1px solid var(--li-ink); background: var(--li-panel); color: var(--li-muted); font-size: 11px; line-height: 1.5; }

/* Campaign gallery */
.li-campaign-gallery { padding: 100px 0; border-bottom: 1px solid var(--li-ink); }
.li-campaign-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.li-campaign-card {
    min-width: 0;
    margin: 0;
    border: 1px solid var(--li-ink);
    background: var(--li-panel);
}
.li-campaign-label {
    display: flex;
    min-height: 37px;
    align-items: center;
    justify-content: space-between;
    padding: 0 11px;
    border-bottom: 1px solid var(--li-ink);
    color: var(--li-muted);
    font-family: var(--li-mono);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .09em;
}
.li-campaign-label b { color: var(--li-signal); }
.li-campaign-card img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.li-campaign-card figcaption {
    display: grid;
    min-height: 94px;
    gap: 7px;
    padding: 18px;
    border-top: 1px solid var(--li-ink);
}
.li-campaign-card figcaption strong { font-size: 17px; letter-spacing: -.025em; }
.li-campaign-card figcaption span { color: var(--li-muted); font-size: 12px; line-height: 1.5; }

/* API */
.li-api { padding: 100px 0; background: var(--li-ink); color: white; }
.li-api-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 84px; align-items: center; }
.li-api-copy h2 { margin: 0; font-size: clamp(42px, 5vw, 72px); line-height: .95; letter-spacing: -.06em; }
.li-api-copy p { max-width: 520px; margin: 24px 0 30px; color: #aeb2b8; font-size: 16px; line-height: 1.7; }
.li-api .li-button { border-color: #5f646b; color: white; }
.li-code {
    border: 1px solid #5a5f66;
    background: #090a0c;
    font-family: var(--li-mono);
    font-size: 12px;
    line-height: 1.8;
}
.li-code-head {
    display: flex;
    justify-content: space-between;
    padding: 10px 13px;
    border-bottom: 1px solid #30343a;
    color: #8e949c;
    font-size: 9px;
    letter-spacing: .08em;
}
.li-code pre { margin: 0; overflow: auto; padding: 24px; }
.li-code .method { color: #ff765f; }
.li-code .key { color: #75a4ff; }
.li-code .string { color: #72d8a6; }
.li-code .comment { color: #6f757d; }

/* Control */
.li-control { padding: 100px 0; }
.li-control-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--li-ink); background: var(--li-panel); }
.li-control-card { min-height: 250px; padding: 24px; border-right: 1px solid var(--li-ink); }
.li-control-card:last-child { border-right: 0; }
.li-control-card > span { display: inline-block; margin-bottom: 70px; color: var(--li-signal); }
.li-control-card h3 { margin: 0 0 10px; font-size: 23px; letter-spacing: -.035em; }
.li-control-card p { margin: 0; color: var(--li-muted); font-size: 14px; line-height: 1.65; }

/* Integrations */
.li-integrations { border-block: 1px solid var(--li-ink); background: var(--li-panel); }
.li-integration-grid { display: grid; grid-template-columns: 270px 1fr; }
.li-integration-title { padding: 32px 0; border-right: 1px solid var(--li-ink); }
.li-integration-title h2 { margin: 7px 0 0; font-size: 27px; letter-spacing: -.04em; }
.li-integration-list { display: flex; flex-wrap: wrap; align-content: center; gap: 8px 20px; padding: 30px; }
.li-integration-list span { font-family: var(--li-mono); font-size: 11px; font-weight: 700; letter-spacing: .05em; }
.li-integration-list span::before { margin-right: 8px; color: var(--li-signal); content: "/"; }

/* Pricing */
.li-pricing { padding: 100px 0; }
.li-price-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--li-ink); background: var(--li-panel); }
.li-price-card { display: flex; min-height: 440px; flex-direction: column; padding: 24px; border-right: 1px solid var(--li-ink); }
.li-price-card:last-child { border-right: 0; }
.li-price-card.featured { margin: -8px 0; border: 2px solid var(--li-blue); background: #edf2ff; }
.li-price-top { display: flex; justify-content: space-between; gap: 12px; min-height: 58px; }
.li-price-top h3 { margin: 0; font-size: 20px; }
.li-price-top span { color: var(--li-blue); }
.li-price { margin: 28px 0 4px; font-family: var(--li-mono); font-size: 31px; font-weight: 900; letter-spacing: -.04em; }
.li-price small { color: var(--li-muted); font-size: 11px; font-weight: 500; }
.li-price-card > p { min-height: 52px; margin: 0 0 20px; color: var(--li-muted); font-size: 13px; line-height: 1.55; }
.li-price-card ul { display: grid; gap: 10px; margin: 0 0 28px; padding: 0; list-style: none; }
.li-price-card li { color: var(--li-muted); font-size: 12px; line-height: 1.4; }
.li-price-card li::before { margin-right: 7px; color: var(--li-green); content: "✓"; }
.li-price-card .li-button { width: 100%; margin-top: auto; }

/* Final */
.li-final { padding: 36px 0 80px; }
.li-final-box {
    display: grid;
    min-height: 310px;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 60px;
    padding: 42px;
    border: 1px solid var(--li-ink);
    background: var(--li-signal);
    color: white;
}
.li-final-box h2 { max-width: 850px; margin: 0; font-size: clamp(44px, 6vw, 82px); line-height: .9; letter-spacing: -.065em; }
.li-final-box p { margin: 18px 0 0; color: white; }
.li-final-box .li-button { border-color: white; color: white; white-space: nowrap; }

/* Footer */
.li-footer { border-top: 1px solid var(--li-ink); background: var(--li-ink); color: white; }
.li-footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 48px; padding: 58px 0; }
.li-footer-brand strong { display: block; margin-bottom: 14px; font-size: 26px; letter-spacing: -.05em; }
.li-footer-brand p { max-width: 320px; color: #969ba2; font-size: 13px; line-height: 1.6; }
.li-footer-col strong { display: block; margin-bottom: 16px; color: #7d838c; font-family: var(--li-mono); font-size: 9px; letter-spacing: .1em; }
.li-footer-col a { display: block; margin: 0 0 10px; color: #c6c9cd; font-size: 12px; text-decoration: none; }
.li-footer-col a:hover { color: white; }
.li-footer-bottom { display: flex; justify-content: space-between; gap: 24px; padding: 18px 0 25px; border-top: 1px solid #31353a; color: #777d85; font-family: var(--li-mono); font-size: 9px; }

@media (max-width: 1040px) {
    .li-nav .nav-menu a,
    .li-nav .nav-dropdown-toggle,
    .li-nav .language-switcher-toggle { padding-inline: 7px; font-size: 11px; }
    .li-hero-grid { min-height: auto; grid-template-columns: 1fr; }
    .li-hero-copy { max-width: 820px; }
    .li-product-stage { width: min(860px, 100%); }
    .li-op-grid, .li-price-grid { grid-template-columns: repeat(2, 1fr); }
    .li-op:nth-child(2), .li-price-card:nth-child(2) { border-right: 0; }
    .li-op:nth-child(n+3), .li-price-card:nth-child(n+3) { border-top: 1px solid var(--li-ink); }
    .li-price-card.featured { margin: 0; }
    .li-control-grid { grid-template-columns: 1fr; }
    .li-control-card { border-right: 0; border-bottom: 1px solid var(--li-ink); }
    .li-control-card:last-child { border-bottom: 0; }
}

@media (max-width: 760px) {
    .li-shell { width: min(100% - 28px, 1240px); }
    /* backdrop-filter turns .li-nav into a containing block for its
       position:fixed descendants, which collapsed the mobile drawer to the
       height of the header instead of the viewport. The header background is
       already 94% opaque, so drop the blur here and let the drawer size
       against the viewport again. */
    .li-nav { backdrop-filter: none; }
    .li-nav-inner { min-height: 60px; justify-content: space-between; }
    .li-nav .mobile-menu-toggle { display: flex; }
    .li-nav .nav-menu {
        position: fixed;
        top: 64px;
        right: 0;
        bottom: 0;
        left: 0;
        display: none;
        overflow-y: auto;
        align-items: stretch;
        flex-direction: column;
        gap: 0;
        padding: 18px 14px 34px;
        border-top: 1px solid var(--li-ink);
        background: var(--li-paper);
    }
    .li-nav .nav-menu.active { display: flex; }
    .li-nav .nav-menu > li,
    .li-nav .nav-menu > li.nav-cta-start { width: 100%; margin-left: 0; }
    .li-nav .nav-menu > li > a,
    .li-nav .nav-dropdown-toggle,
    .li-nav .language-switcher-toggle {
        width: 100%;
        min-height: 50px;
        justify-content: space-between;
        padding-inline: 10px;
        border-bottom: 1px solid var(--li-soft-line);
        font-size: 13px;
    }
    .li-nav .nav-mega-menu,
    .li-nav .nav-dropdown-menu,
    .li-nav .language-switcher-menu {
        position: static;
        display: none;
        width: 100%;
        min-width: 0;
        border-top: 0;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }
    .li-nav .nav-mega-menu { grid-template-columns: 1fr; }
    .li-nav .nav-mega-menu.show,
    .li-nav .nav-dropdown-menu.show,
    .li-nav .language-switcher-menu.show { display: grid; }
    .li-nav .nav-dropdown-menu.show,
    .li-nav .language-switcher-menu.show { display: block; }
    .li-nav .mega-menu-column { border-right: 0; border-bottom: 1px solid var(--li-soft-line); }
    .li-nav .mega-menu-column:last-child { border-bottom: 0; }
    .li-nav .nav-menu a.btn { justify-content: center; margin-top: 10px; border-bottom: 1px solid var(--li-ink); }
    .li-section-head { grid-template-columns: 1fr; gap: 18px; }
    .li-hero-grid { gap: 44px; padding: 52px 0; grid-template-columns: minmax(0, 1fr); }
    .li-hero-copy h1 { font-size: clamp(54px, 18vw, 76px); }
    .li-hero-copy > p:not(.li-kicker) { font-size: 16px; }
    .li-hero-actions { align-items: stretch; flex-direction: column; }
    .li-button { width: 100%; }
    .li-product-stage { padding: 0; }
    .li-stage-legend { grid-template-columns: 1fr; }
    .li-stage-legend li { grid-template-columns: 24px 1fr; border-right: 0; border-bottom: 1px solid var(--li-ink); }
    .li-stage-legend li:last-child { border-bottom: 0; }
    .li-stage-legend small { white-space: normal; }
    .li-protocol-grid { grid-template-columns: repeat(3, 1fr); }
    .li-protocol-grid span:nth-child(n+4) { border-top: 1px solid #34383d; }
    .li-operations, .li-proof, .li-campaign-gallery, .li-api, .li-control, .li-pricing { padding: 72px 0; }
    .li-op-grid, .li-price-grid, .li-api-grid { grid-template-columns: 1fr; }
    .li-proof-step,
    .li-proof-step.reverse { grid-template-columns: 1fr; }
    .li-proof-step .li-proof-copy,
    .li-proof-step.reverse .li-proof-copy { grid-column: 1; grid-row: 1; border-right: 0; border-bottom: 1px solid var(--li-ink); border-left: 0; }
    .li-proof-step .li-shot,
    .li-proof-step.reverse .li-shot { grid-column: 1; grid-row: 2; }
    .li-proof-copy { padding: 22px; }
    .li-proof-copy > span { margin-bottom: 28px; }
    .li-campaign-grid { grid-template-columns: 1fr; }
    .li-op, .li-op:nth-child(2), .li-price-card, .li-price-card:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--li-ink); }
    .li-op:last-child, .li-price-card:last-child { border-bottom: 0; }
    .li-op:nth-child(n+3), .li-price-card:nth-child(n+3) { border-top: 0; }
    .li-op { min-height: 260px; }
    .li-api-grid { gap: 44px; }
    .li-code { font-size: 10px; }
    .li-integration-grid { grid-template-columns: 1fr; }
    .li-integration-title { border-right: 0; border-bottom: 1px solid var(--li-ink); }
    .li-integration-list { padding: 24px 0; }
    .li-final-box { min-height: 380px; grid-template-columns: 1fr; align-items: end; padding: 28px; }
    .li-final-box .li-button { width: 100%; }
    .li-footer-grid { grid-template-columns: 1fr 1fr; }
    .li-footer-brand { grid-column: 1 / -1; }
    .li-footer-bottom { align-items: flex-start; flex-direction: column; }
}

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

/* =====================================================================
 * Interactive hero stage + protocol band (homepage).
 * Scoped to .li-stage-x / .li-protocols-x so the base .li-product-stage
 * and .li-protocol-grid rules above stay untouched for any other user.
 * ===================================================================== */

/* Stage: images are stacked and crossfaded, so the scene owns the ratio. */
.li-stage-x .li-mac-scene {
    position: relative;
    aspect-ratio: 1572 / 1001;
    background: var(--li-ink);
}
.li-stage-x .li-mac-scene img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    aspect-ratio: auto;
    object-fit: contain;
    opacity: 0;
    transition: opacity .45s ease;
}
.li-stage-x .li-mac-scene img.is-active { opacity: 1; }

/* Thin autoplay progress rule under the image. */
.li-stage-progress {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 2px;
    background: transparent;
}
.li-stage-progress i {
    display: block;
    width: 0;
    height: 100%;
    background: var(--li-signal);
}
@keyframes li-stage-fill { from { width: 0; } to { width: 100%; } }

.li-stage-blurb {
    margin: 0;
    padding: 12px 12px 11px;
    border-bottom: 1px solid var(--li-ink);
    color: var(--li-muted);
    font-size: 12px;
    line-height: 1.5;
    min-height: 3.6em;
}

/* Legend becomes a real 4-up tablist. */
.li-stage-x .li-stage-legend { grid-template-columns: repeat(4, 1fr); }
.li-stage-x .li-stage-legend li { display: block; padding: 0; border-right: 1px solid var(--li-ink); }
.li-stage-x .li-stage-legend li:last-child { border-right: 0; }

.li-stage-tab {
    display: grid;
    width: 100%;
    min-width: 0;
    grid-template-columns: 26px 1fr;
    gap: 8px;
    padding: 12px 10px;
    border: 0;
    border-top: 2px solid transparent;
    margin: 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font: inherit;
    text-align: left;
    transition: background .18s ease, border-color .18s ease;
}
.li-stage-tab:hover { background: rgba(16, 18, 20, .05); }
.li-stage-tab.is-active { border-top-color: var(--li-signal); background: rgba(16, 18, 20, .07); }
.li-stage-tab:focus-visible { outline: 2px solid var(--li-signal); outline-offset: -2px; }
.li-stage-tab b { color: var(--li-signal); font-family: var(--li-mono); font-size: 10px; }
.li-stage-tab > span { display: grid; min-width: 0; gap: 3px; }
.li-stage-tab strong { font-size: 11px; line-height: 1.2; }
.li-stage-tab small {
    overflow: hidden;
    color: var(--li-muted);
    font-size: 9px;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Protocol band: chips are buttons that explain themselves. */
.li-protocols-x .li-protocol-grid { grid-template-columns: repeat(6, 1fr); }
.li-protocols-x .li-protocol-grid button {
    padding: 14px 10px;
    border: 0;
    border-left: 1px solid #34383d;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: #c8cbd0;
    cursor: pointer;
    font-family: var(--li-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    text-align: center;
    transition: color .18s ease, background .18s ease, border-color .18s ease;
}
.li-protocols-x .li-protocol-grid button:last-child { border-right: 1px solid #34383d; }
.li-protocols-x .li-protocol-grid button:hover,
.li-protocols-x .li-protocol-grid button.is-active { background: #1b1e21; color: #fff; border-bottom-color: var(--li-signal); }
.li-protocols-x .li-protocol-grid button:focus-visible { outline: 2px solid var(--li-signal); outline-offset: -2px; }

.li-protocol-note {
    /* Fixed min-height keeps the band from jumping as the text swaps. */
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    margin: 0;
    padding: 8px 10px;
    border-top: 1px solid #34383d;
    color: #9ea3aa;
    font-size: 11px;
    line-height: 1.4;
    text-align: center;
}

@media (max-width: 900px) {
    .li-stage-x .li-stage-legend { grid-template-columns: repeat(2, 1fr); }
    .li-stage-x .li-stage-legend li { border-right: 1px solid var(--li-ink); border-bottom: 1px solid var(--li-ink); }
    .li-stage-x .li-stage-legend li:nth-child(2n) { border-right: 0; }
    .li-stage-x .li-stage-legend li:nth-last-child(-n+2) { border-bottom: 0; }
    .li-stage-tab small { white-space: normal; }
    .li-stage-blurb { min-height: 4.5em; }
    .li-protocols-x .li-protocol-grid { grid-template-columns: repeat(3, 1fr); }
    .li-protocols-x .li-protocol-grid button:nth-child(-n+3) { border-bottom: 1px solid #34383d; }
}

@media (prefers-reduced-motion: reduce) {
    .li-stage-x .li-mac-scene img { transition: none; }
    .li-stage-progress i { animation: none !important; }
}