/* Public landing page (landing.php). House tokens throughout: Figtree, purple
   #7C3AED, 1.6px near black borders, 16px card radius. Dark mode reuses the
   palette established in tool.css/lab.css (#18181B page, #212124 card,
   #3F3F46 border, #E4E4E7 text). */

.landing-body {
    margin: 0;
    background: #FFFFFF;
    color: #1A1826;
    font-family: 'Figtree', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
}

/* ---------- Topbar ----------
   Floating rounded bar, modelled on lablaps' own header: logo left, nav dead
   center, pill CTA right. The header wrapper is transparent and sticky; the
   .ld-bar inside carries the visible card. */

.ld-topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    padding: 12px 16px;
}

.ld-bar {
    max-width: 920px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    gap: 16px;
    padding: 10px 12px 10px 18px;
    background: #FFFFFF;
    border: 1.6px solid rgba(26, 24, 38, 0.14);
    border-radius: 18px;
    box-shadow: 0 6px 18px rgba(26, 24, 38, 0.07);
}

.ld-logo {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 19px;
    font-weight: 800;
    color: inherit;
    text-decoration: none;
}

/* Absolutely centered on the bar itself, so the heavier right side (lang
   toggle + CTA) can never push the nav off center at narrow desktop widths. */
.ld-nav {
    display: flex;
    gap: 24px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.ld-nav a {
    color: #1A1826;
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
    padding: 6px 2px;
}

.ld-nav a:hover { color: #7C3AED; }

/* Nav dropdowns (Tools, For labs) — pure CSS, hover and keyboard focus. The
   panel hangs from a padded wrapper so the pointer never crosses a hover gap
   between the label and the card. */
.ld-nav-dd { position: relative; }

.ld-nav-dd-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.ld-nav-chev { transition: transform 0.15s ease; }

.ld-nav-dd:hover .ld-nav-chev,
.ld-nav-dd:focus-within .ld-nav-chev { transform: rotate(180deg); }

.ld-nav-dd-panel {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding-top: 12px;
    display: none;
    z-index: 50;
}

.ld-nav-dd:hover .ld-nav-dd-panel,
.ld-nav-dd:focus-within .ld-nav-dd-panel { display: block; }

.ld-nav-dd-card {
    display: grid;
    grid-template-columns: repeat(2, minmax(170px, 1fr));
    gap: 2px;
    padding: 10px;
    background: #FFFFFF;
    border: 1.6px solid rgba(26, 24, 38, 0.14);
    border-radius: 14px;
    box-shadow: 0 10px 28px rgba(26, 24, 38, 0.14);
}

.ld-nav-dd-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7px 10px;
    border-radius: 9px;
    font-size: 13.5px;
    font-weight: 600;
    color: #1A1826;
    text-decoration: none;
    white-space: nowrap;
}

.ld-nav-dd-item:hover { background: rgba(124, 58, 237, 0.08); color: #1A1826; }

.ld-nav-dd-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 7px;
    flex-shrink: 0;
    background: color-mix(in srgb, var(--ld-color) 14%, #FFFFFF);
    color: var(--ld-color);
}

.ld-topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ld-lang {
    display: inline-flex;
    border: 1.6px solid #1A1826;
    border-radius: 9px;
    overflow: hidden;
}

.ld-lang-btn {
    padding: 5px 10px;
    font-size: 12.5px;
    font-weight: 700;
    color: rgba(26, 24, 38, 0.62);
    text-decoration: none;
}

.ld-lang-btn.is-active {
    background: #1A1826;
    color: #FFFFFF;
}

.ld-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.ld-btn-solid {
    background: #7C3AED;
    color: #FFFFFF;
    border: 1.6px solid #1A1826;
    box-shadow: 2px 2px 0 #1A1826;
}

.ld-btn-solid:hover { background: #6D28D9; }

.ld-btn-ghost {
    color: #1A1826;
    border: 1.6px solid #1A1826;
    background: #FFFFFF;
}

.ld-btn-ghost:hover { background: rgba(124, 58, 237, 0.08); }

.ld-btn-lg {
    padding: 12px 24px;
    font-size: 16px;
    border-radius: 12px;
}

/* The header CTA: light purple pill with the house accent, per lablaps' own
   header. Purple-filled controls keep dark text in both themes (deliberate
   exception documented in PROJECT_MEMORY). */
.ld-btn-pill {
    gap: 6px;
    background: rgb(207, 177, 251);
    color: #1A1826;
    border: 1.6px solid #1A1826;
    border-radius: 999px;
    padding: 9px 18px;
}

.ld-btn-pill:hover { background: rgb(196, 160, 250); }

/* ---------- Hero ---------- */

.ld-hero {
    max-width: 1060px;
    margin: 0 auto;
    padding: 72px 24px 40px;
    text-align: center;
}

.ld-hero h1 {
    margin: 0 0 16px;
    font-size: clamp(34px, 6vw, 56px);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.02em;
}

.ld-hero-sub {
    margin: 0 auto 28px;
    max-width: 640px;
    font-size: 18px;
    line-height: 1.55;
    color: rgba(26, 24, 38, 0.72);
}

.ld-hero-ctas {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.ld-hero-preview {
    max-width: 960px;
    margin: 0 auto;
    text-align: left;
}

/* ---------- Sections ---------- */

.ld-section {
    max-width: 1060px;
    margin: 0 auto;
    padding: 56px 24px;
}

.ld-section h2,
.ld-cta h2 {
    margin: 0 0 10px;
    font-size: clamp(26px, 4vw, 36px);
    font-weight: 800;
    letter-spacing: -0.015em;
    text-align: center;
}

.ld-section-sub {
    margin: 0 auto 36px;
    max-width: 620px;
    text-align: center;
    font-size: 16px;
    line-height: 1.55;
    color: rgba(26, 24, 38, 0.68);
}

.ld-grid {
    display: grid;
    gap: 16px;
}

.ld-grid-labs { grid-template-columns: repeat(3, 1fr); }
.ld-grid-tools { grid-template-columns: repeat(4, 1fr); }

.ld-card {
    display: block;
    background: #FFFFFF;
    border: 1.6px solid #1A1826;
    border-radius: 16px;
    padding: 20px 18px;
    color: inherit;
    text-decoration: none;
}

a.ld-card:hover {
    border-color: #7C3AED;
    box-shadow: 3px 3px 0 rgba(124, 58, 237, 0.35);
}

.ld-card h3 {
    margin: 12px 0 6px;
    font-size: 16.5px;
    font-weight: 700;
}

.ld-card p {
    margin: 0;
    font-size: 13.5px;
    line-height: 1.5;
    color: rgba(26, 24, 38, 0.66);
}

.ld-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 11px;
    background: color-mix(in srgb, var(--ld-color) 14%, #FFFFFF);
    color: var(--ld-color);
}

/* ---------- Lab showcase (alternating feature rows with mini mockups) ---------- */

.ld-feature {
    display: grid;
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 36px;
    margin-bottom: 44px;
}

.ld-feature.is-flipped .ld-feature-text { order: 2; }
.ld-feature.is-flipped .ld-mock { order: 1; }

.ld-feature-text h3 {
    margin: 0 0 10px;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.ld-feature-text p {
    margin: 0;
    font-size: 15px;
    line-height: 1.6;
    color: rgba(26, 24, 38, 0.72);
}

.ld-mock {
    border: 1.6px solid #1A1826;
    border-radius: 16px;
    overflow: hidden;
    background: #FFFFFF;
    box-shadow: 4px 4px 0 rgba(26, 24, 38, 0.12);
}

.ld-mock-chrome {
    display: flex;
    gap: 5px;
    padding: 9px 12px;
    background: #F5F5F5;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.ld-mock-chrome span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #D4D4D4;
}

.ld-mock-body { padding: 14px; }

/* Mini kanban */
.ld-kb { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }

.ld-kb-head {
    display: block;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: rgba(26, 24, 38, 0.62);
    margin-bottom: 8px;
}

.ld-kb-head b { font-weight: 700; color: rgba(26, 24, 38, 0.45); }

.ld-kb-card {
    background: #FAFAF9;
    border: 1.2px solid rgba(26, 24, 38, 0.18);
    border-radius: 9px;
    padding: 8px 9px;
    margin-bottom: 8px;
}

.ld-kb-title {
    display: flex;
    align-items: baseline;
    gap: 6px;
    font-size: 11.5px;
    font-weight: 600;
    line-height: 1.3;
}

.ld-kb-title i {
    flex-shrink: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--c);
    align-self: center;
}

.ld-kb-avs { display: flex; margin-top: 7px; }

.ld-kb-avs b {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgb(207, 177, 251);
    color: #1A1826;
    font-size: 8.5px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1.2px solid #FFFFFF;
    margin-left: -5px;
}

.ld-kb-avs b:first-child { margin-left: 0; }

/* Mini week calendar */
.ld-cal { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }

.ld-cal-day {
    display: block;
    text-align: center;
    font-size: 10.5px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: rgba(26, 24, 38, 0.62);
    margin-bottom: 6px;
}

.ld-cal-track {
    position: relative;
    height: 170px;
    border-radius: 8px;
    background:
        repeating-linear-gradient(to bottom, rgba(26, 24, 38, 0.06) 0 1px, transparent 1px 25%);
    background-color: #FAFAF9;
    border: 1px solid rgba(26, 24, 38, 0.1);
}

.ld-cal-block {
    position: absolute;
    left: 3px;
    right: 3px;
    border-radius: 6px;
    background: color-mix(in srgb, var(--c) 18%, #FFFFFF);
    border: 1.2px solid var(--c);
    color: var(--c);
    font-size: 9.5px;
    font-weight: 800;
    padding: 3px 5px;
    overflow: hidden;
}

.ld-cal-block.is-maint {
    background: repeating-linear-gradient(45deg,
        color-mix(in srgb, var(--c) 20%, #FFFFFF) 0 5px,
        color-mix(in srgb, var(--c) 8%, #FFFFFF) 5px 10px);
}

/* Mini inventory table */
.ld-inv { display: flex; flex-direction: column; gap: 7px; }

.ld-inv-row {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #FAFAF9;
    border: 1.2px solid rgba(26, 24, 38, 0.18);
    border-radius: 9px;
    padding: 9px 12px;
}

.ld-inv-name { flex: 1; font-size: 12.5px; font-weight: 600; }

.ld-inv-qty { font-size: 12px; font-weight: 700; color: rgba(26, 24, 38, 0.62); }

.ld-inv-badge {
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 3px 8px;
    border-radius: 999px;
    border: 1.2px solid;
}

.ld-inv-badge.is-ok  { color: #047857; border-color: #047857; background: rgba(5, 150, 105, 0.09); }
.ld-inv-badge.is-low { color: #92400E; border-color: #92400E; background: rgba(180, 83, 9, 0.10); }
.ld-inv-badge.is-out { color: #B91C1C; border-color: #B91C1C; background: rgba(220, 38, 38, 0.09); }
.ld-inv-badge.is-exp { color: #92400E; border-color: #92400E; background: rgba(180, 83, 9, 0.10); }

.ld-labs-more {
    margin: 8px 0 18px;
    font-size: 16px;
    font-weight: 800;
    text-align: center;
    color: rgba(26, 24, 38, 0.62);
}

/* ---------- Mock vignette primitives (feature-mocks.php) ---------- */

.mk-chip {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgb(207, 177, 251);
    border: 1.2px solid #1A1826;
    color: #1A1826;
    font-size: 11px;
    font-weight: 800;
}

.mk-photo {
    position: relative;
    height: 190px;
    border-radius: 10px;
    background: radial-gradient(circle at 40% 40%, #FDF0DC, #F4E3C8);
    border: 1px solid rgba(26, 24, 38, 0.12);
}

.mk-photo-teal { background: radial-gradient(circle at 40% 40%, #DDF3F0, #C4E8E2); }

/* Round petri dish drawn inside the colony photo */
.mk-dish {
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    width: 168px;
    height: 168px;
    border-radius: 50%;
    background: radial-gradient(circle at 42% 38%, #F7E9CE, #EFD9B4);
    border: 3px solid rgba(26, 24, 38, 0.25);
    box-shadow: inset 0 0 0 6px rgba(255, 255, 255, 0.35), 0 4px 10px rgba(26, 24, 38, 0.12);
}

.mk-chip-float { position: absolute; right: 10px; top: 10px; }

.mk-dot {
    position: absolute;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: rgba(180, 83, 9, 0.55);
    border: 2px solid #7C3AED;
}

.mk-dot-red { width: 9px; height: 9px; background: rgba(220, 38, 38, 0.35); border-color: #DC2626; }

.mk-dot-end { width: 9px; height: 9px; background: #7C3AED; border-color: #FFFFFF; }

.mk-line {
    position: absolute;
    left: 20%; top: 63%;
    width: 60%;
    height: 3px;
    background: #7C3AED;
    border-radius: 2px;
    transform: rotate(-32deg);
    transform-origin: left center;
}

.mk-hemo { display: flex; align-items: flex-start; gap: 12px; }

.mk-sq-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
}

.mk-sq {
    position: relative;
    aspect-ratio: 1;
    background: #FAFAF9;
    border: 1px solid rgba(26, 24, 38, 0.25);
}

.mk-gel {
    display: flex;
    justify-content: center;
    gap: 14px;
    height: 190px;
    padding: 10px;
    border-radius: 10px;
    background: #2A2733;
}

.mk-lane {
    position: relative;
    width: 44px;
    height: 100%;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 6px;
}

.mk-lane-wide { width: 56px; }

.mk-band {
    position: absolute;
    left: 12%;
    width: 76%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.85);
}

.mk-band-label {
    position: absolute;
    right: -4px;
    transform: translateY(-40%);
    font-size: 8.5px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.7);
}

.mk-lane-label {
    position: absolute;
    bottom: 4px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 9px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.55);
}

.mk-form { display: flex; flex-direction: column; gap: 8px; }

.mk-tabs { display: flex; gap: 6px; margin-bottom: 4px; }

.mk-tab {
    padding: 5px 12px;
    border-radius: 8px;
    border: 1.2px solid rgba(26, 24, 38, 0.25);
    font-size: 11.5px;
    font-weight: 700;
    color: rgba(26, 24, 38, 0.6);
}

.mk-tab.is-active {
    background: #7C3AED;
    border-color: #1A1826;
    color: #FFFFFF;
}

.mk-formula {
    text-align: center;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.02em;
    padding: 6px 0 2px;
}

.mk-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 12.5px;
    font-weight: 600;
}

.mk-input {
    min-width: 110px;
    text-align: right;
    padding: 6px 10px;
    border: 1.2px solid rgba(26, 24, 38, 0.3);
    border-radius: 8px;
    background: #FAFAF9;
    font-weight: 700;
}

.mk-row-result { margin-top: 2px; }

.mk-result {
    min-width: 110px;
    text-align: right;
    padding: 6px 10px;
    border-radius: 8px;
    background: rgb(207, 177, 251);
    border: 1.2px solid #1A1826;
    font-weight: 800;
}

.mk-table { display: flex; flex-direction: column; gap: 5px; }

.mk-trow {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 14px;
    padding: 7px 10px;
    border-radius: 8px;
    background: #FAFAF9;
    border: 1px solid rgba(26, 24, 38, 0.15);
    font-size: 12px;
    font-weight: 600;
}

.mk-trow span:nth-child(2), .mk-trow span:nth-child(3) { text-align: right; min-width: 48px; }

.mk-thead { background: transparent; border-color: transparent; font-weight: 800; text-transform: uppercase; font-size: 10px; letter-spacing: 0.04em; color: rgba(26, 24, 38, 0.55); padding-top: 0; padding-bottom: 0; }

.mk-trow-result { background: rgba(124, 58, 237, 0.1); border-color: #7C3AED; font-weight: 800; }

.mk-plate {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 4px;
    padding: 10px;
    border-radius: 10px;
    background: #FAFAF9;
    border: 1px solid rgba(26, 24, 38, 0.2);
    margin-bottom: 8px;
}

.mk-well {
    aspect-ratio: 1;
    border-radius: 50%;
    background: #FFFFFF;
    border: 1.2px solid rgba(26, 24, 38, 0.25);
}

.mk-well.is-a { background: rgba(124, 58, 237, 0.55); border-color: #7C3AED; }
.mk-well.is-b { background: rgba(5, 150, 105, 0.5); border-color: #059669; }
.mk-well.is-c { background: rgba(220, 38, 38, 0.5); border-color: #DC2626; }

.mk-timers { display: flex; flex-direction: column; gap: 8px; }

.mk-timer {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4px 10px;
    padding: 9px 12px;
    border-radius: 10px;
    background: #FAFAF9;
    border: 1.2px solid rgba(26, 24, 38, 0.2);
}

.mk-timer-name { font-size: 12px; font-weight: 700; }

.mk-timer-time { font-size: 15px; font-weight: 800; font-variant-numeric: tabular-nums; }

.mk-bar {
    grid-column: 1 / -1;
    height: 5px;
    border-radius: 3px;
    background: rgba(26, 24, 38, 0.1);
    overflow: hidden;
    display: block;
}

.mk-bar i { display: block; height: 100%; background: #7C3AED; border-radius: 3px; }

.mk-list { display: flex; flex-direction: column; gap: 7px; }

.mk-post, .mk-meet {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2px 10px;
    padding: 9px 12px;
    border-radius: 10px;
    background: #FAFAF9;
    border: 1.2px solid rgba(26, 24, 38, 0.18);
}

.mk-post.is-pinned { border-color: #7C3AED; background: rgba(124, 58, 237, 0.07); }

.mk-post-title { font-size: 12.5px; font-weight: 700; grid-column: 1; }

.mk-post-meta { font-size: 11px; font-weight: 600; color: rgba(26, 24, 38, 0.55); grid-column: 1; }

.mk-meet .ld-inv-badge { grid-column: 2; grid-row: 1 / span 2; align-self: center; }

.mk-proj, .mk-req, .mk-member {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 10px;
    background: #FAFAF9;
    border: 1.2px solid rgba(26, 24, 38, 0.18);
    font-size: 12.5px;
    font-weight: 700;
}

.mk-proj i {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    background: var(--c);
    flex-shrink: 0;
}

.mk-proj em, .mk-member em { margin-left: auto; font-style: normal; font-size: 11px; font-weight: 600; color: rgba(26, 24, 38, 0.55); }

.mk-req { justify-content: space-between; }

.mk-member b {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgb(207, 177, 251);
    color: #1A1826;
    font-size: 9.5px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mk-proto-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 13px;
    font-weight: 800;
    padding: 2px 2px 6px;
}

.mk-step {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 10px;
    background: #FAFAF9;
    border: 1.2px solid rgba(26, 24, 38, 0.18);
    font-size: 12px;
    font-weight: 600;
}

.mk-step i {
    width: 15px;
    height: 15px;
    border-radius: 5px;
    border: 1.6px solid rgba(26, 24, 38, 0.4);
    flex-shrink: 0;
}

.mk-step.is-done { opacity: 0.75; }

.mk-step.is-done i {
    background: #7C3AED;
    border-color: #7C3AED;
    position: relative;
}

.mk-step.is-done i::after {
    content: '';
    position: absolute;
    left: 4px; top: 1px;
    width: 4px; height: 8px;
    border: solid #FFFFFF;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.mk-step em { margin-left: auto; font-style: normal; font-size: 10.5px; font-weight: 700; color: rgba(26, 24, 38, 0.5); }

.ld-inv-badge.is-info { color: #1D4ED8; border-color: #1D4ED8; background: rgba(37, 99, 235, 0.09); }

/* Feature page hero mock frame */
.ft-mock {
    max-width: 560px;
    margin: 34px auto 0;
    text-align: left;
}

/* ---------- FAQ ---------- */

.ld-section-faq { max-width: 720px; }

.ld-faq {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ld-faq-item {
    border: 1.6px solid #1A1826;
    border-radius: 14px;
    background: #FFFFFF;
    padding: 0 18px;
}

.ld-faq-item summary {
    cursor: pointer;
    padding: 15px 0;
    font-size: 15.5px;
    font-weight: 700;
    list-style: none;
    position: relative;
    padding-right: 28px;
}

.ld-faq-item summary::-webkit-details-marker { display: none; }

.ld-faq-item summary::after {
    content: '+';
    position: absolute;
    right: 2px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    font-weight: 700;
    color: #7C3AED;
}

.ld-faq-item[open] summary::after { content: '\00D7'; }

.ld-faq-item p {
    margin: 0 0 16px;
    font-size: 14.5px;
    line-height: 1.6;
    color: rgba(26, 24, 38, 0.72);
}

/* ---------- Feature pages (/tools/x, /lab/x) ---------- */

.ft-hero {
    max-width: 780px;
    margin: 0 auto;
    padding: 48px 24px 8px;
    text-align: center;
}

.ft-crumb {
    margin: 0 0 22px;
    font-size: 13.5px;
    font-weight: 600;
    color: rgba(26, 24, 38, 0.55);
}

.ft-crumb a { color: #7C3AED; text-decoration: none; }
.ft-crumb a:hover { text-decoration: underline; }
.ft-crumb span { margin: 0 4px; }

.ft-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: color-mix(in srgb, var(--ld-color) 14%, #FFFFFF);
    border: 1.6px solid var(--ld-color);
    color: var(--ld-color);
    margin-bottom: 16px;
}

.ft-hero h1 {
    margin: 0 0 12px;
    font-size: clamp(30px, 5vw, 44px);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.ft-tag {
    margin: 0 auto 26px;
    max-width: 560px;
    font-size: 17px;
    line-height: 1.5;
    color: rgba(26, 24, 38, 0.72);
}

.ft-intro {
    max-width: 720px;
    padding-top: 20px;
    padding-bottom: 8px;
}

.ft-intro p {
    margin: 0 0 16px;
    font-size: 16px;
    line-height: 1.7;
    color: rgba(26, 24, 38, 0.8);
}

.ld-grid-ft { grid-template-columns: repeat(2, 1fr); max-width: 820px; margin: 0 auto; }

.ld-grid-ft .ld-card h3 { margin-top: 0; }

.ft-how { max-width: 720px; padding-top: 8px; }

.ft-how h2, .ft-who h2, .ft-related h2 { text-align: center; }

.ft-steps {
    counter-reset: ftstep;
    list-style: none;
    margin: 28px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.ft-steps li {
    counter-increment: ftstep;
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 15.5px;
    line-height: 1.5;
    background: #FFFFFF;
    border: 1.6px solid #1A1826;
    border-radius: 14px;
    padding: 14px 18px;
}

.ft-steps li::before {
    content: counter(ftstep);
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #7C3AED;
    color: #FFFFFF;
    font-weight: 800;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.ft-who { max-width: 640px; text-align: center; padding-top: 8px; padding-bottom: 8px; }

.ft-who p {
    margin: 14px auto 0;
    font-size: 15.5px;
    line-height: 1.6;
    color: rgba(26, 24, 38, 0.72);
}

.ft-related { max-width: 860px; padding-top: 8px; }

.ft-related-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
}

.ft-related-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 13px;
    border: 1.6px solid rgba(26, 24, 38, 0.25);
    border-radius: 999px;
    font-size: 13.5px;
    font-weight: 700;
    color: #1A1826;
    text-decoration: none;
    background: #FFFFFF;
}

.ft-related-chip svg { color: var(--ld-color); }

.ft-related-chip:hover { border-color: var(--ld-color); }

/* ---------- Bottom CTA ---------- */

.ld-cta {
    max-width: 760px;
    margin: 24px auto 0;
    padding: 48px 24px 72px;
    text-align: center;
}

.ld-cta p {
    margin: 0 auto 24px;
    max-width: 480px;
    font-size: 16px;
    line-height: 1.55;
    color: rgba(26, 24, 38, 0.68);
}

/* ---------- Footer ---------- */

.ld-footer {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 28px;
    max-width: 1060px;
    margin: 0 auto;
    padding: 40px 24px 32px;
    border-top: 1px solid rgba(26, 24, 38, 0.1);
}

.ld-footer-brand p {
    margin: 12px 0 0;
    font-size: 13.5px;
    line-height: 1.5;
    color: rgba(26, 24, 38, 0.66);
    max-width: 260px;
}

.ld-footer-col {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ld-footer-col h4 {
    margin: 0 0 4px;
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    /* 0.5 alpha measured 3.33:1 on white, under the 4.5:1 AA floor this
       codebase has hit before; 0.62 measures 4.89:1. */
    color: rgba(26, 24, 38, 0.62);
}

.ld-footer-col a {
    color: rgba(26, 24, 38, 0.75);
    text-decoration: none;
    font-size: 14px;
}

.ld-footer-col a:hover { color: #7C3AED; }

.ld-footer-note {
    grid-column: 1 / -1;
    margin: 16px 0 0;
    font-size: 12.5px;
    color: rgba(26, 24, 38, 0.62);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
    .ld-grid-tools { grid-template-columns: repeat(3, 1fr); }
    .ld-grid-labs { grid-template-columns: repeat(2, 1fr); }
    .ld-nav { display: none; }
    .ld-feature { grid-template-columns: 1fr; gap: 18px; margin-bottom: 36px; }
    .ld-feature.is-flipped .ld-feature-text { order: 1; }
    .ld-feature.is-flipped .ld-mock { order: 2; }
}

@media (max-width: 640px) {
    .ld-topbar { padding: 10px 10px; }
    .ld-grid-ft { grid-template-columns: 1fr; }
    .ld-bar { padding: 8px 10px 8px 14px; gap: 8px; }
    /* The TR pill label is long; without these the CTA escapes the bar at 375px. */
    .ld-logo { font-size: 17px; gap: 7px; }
    .ld-lang-btn { padding: 4px 8px; }
    .ld-btn-pill { padding: 7px 12px; font-size: 13px; }
    .ld-btn-pill svg { display: none; }
    .ld-hero { padding-top: 48px; }
    .ld-grid-tools,
    .ld-grid-labs { grid-template-columns: 1fr; }
    .ld-footer { grid-template-columns: 1fr; gap: 20px; }
}

/* ---------- Dark mode ---------- */

:root[data-theme="dark"] .landing-body {
    background: #18181B;
    color: #E4E4E7;
}

:root[data-theme="dark"] .ld-bar {
    background: #212124;
    border-color: #3F3F46;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
}

:root[data-theme="dark"] .ld-nav a { color: #E4E4E7; }
:root[data-theme="dark"] .ld-nav a:hover { color: #C4B5FD; }

:root[data-theme="dark"] .ld-nav-dd-card {
    background: #212124;
    border-color: #3F3F46;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.5);
}

:root[data-theme="dark"] .ld-nav-dd-item { color: #E4E4E7; }
:root[data-theme="dark"] .ld-nav-dd-item:hover { background: rgba(196, 181, 253, 0.12); color: #E4E4E7; }

:root[data-theme="dark"] .ld-nav-dd-icon {
    background: color-mix(in srgb, var(--ld-color) 22%, #18181B);
}

:root[data-theme="dark"] .ld-btn-pill {
    background: rgb(207, 177, 251);
    color: #1A1826;
    border-color: #C4B5FD;
}

:root[data-theme="dark"] .ld-lang { border-color: #3F3F46; }
:root[data-theme="dark"] .ld-lang-btn { color: rgba(228, 228, 231, 0.62); }
:root[data-theme="dark"] .ld-lang-btn.is-active { background: #E4E4E7; color: #18181B; }

:root[data-theme="dark"] .ld-btn-solid {
    border-color: #C4B5FD;
    box-shadow: 2px 2px 0 #C4B5FD;
}

:root[data-theme="dark"] .ld-btn-ghost {
    background: #212124;
    border-color: #3F3F46;
    color: #E4E4E7;
}

:root[data-theme="dark"] .ld-hero-sub,
:root[data-theme="dark"] .ld-section-sub,
:root[data-theme="dark"] .ld-cta p { color: rgba(228, 228, 231, 0.72); }

:root[data-theme="dark"] .ld-card {
    background: #212124;
    border-color: #3F3F46;
}

:root[data-theme="dark"] a.ld-card:hover {
    border-color: #C4B5FD;
    box-shadow: 3px 3px 0 rgba(196, 181, 253, 0.25);
}

:root[data-theme="dark"] .ld-card p { color: rgba(228, 228, 231, 0.66); }

:root[data-theme="dark"] .ld-card-icon {
    background: color-mix(in srgb, var(--ld-color) 22%, #18181B);
}

:root[data-theme="dark"] .ld-feature-text p { color: rgba(228, 228, 231, 0.72); }

:root[data-theme="dark"] .ld-mock {
    background: #212124;
    border-color: #3F3F46;
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.4);
}

:root[data-theme="dark"] .ld-mock-chrome {
    background: #18181B;
    border-bottom-color: #3F3F46;
}

:root[data-theme="dark"] .ld-mock-chrome span { background: #3F3F46; }

:root[data-theme="dark"] .ld-kb-head { color: rgba(228, 228, 231, 0.62); }
:root[data-theme="dark"] .ld-kb-head b { color: rgba(228, 228, 231, 0.45); }

:root[data-theme="dark"] .ld-kb-card {
    background: #18181B;
    border-color: #3F3F46;
}

:root[data-theme="dark"] .ld-kb-avs b { border-color: #18181B; }

:root[data-theme="dark"] .ld-cal-day { color: rgba(228, 228, 231, 0.62); }

:root[data-theme="dark"] .ld-cal-track {
    background:
        repeating-linear-gradient(to bottom, rgba(228, 228, 231, 0.07) 0 1px, transparent 1px 25%);
    background-color: #18181B;
    border-color: #3F3F46;
}

:root[data-theme="dark"] .ld-cal-block {
    background: color-mix(in srgb, var(--c) 26%, #18181B);
    color: color-mix(in srgb, var(--c) 55%, #FFFFFF);
}

:root[data-theme="dark"] .ld-cal-block.is-maint {
    background: repeating-linear-gradient(45deg,
        color-mix(in srgb, var(--c) 30%, #18181B) 0 5px,
        color-mix(in srgb, var(--c) 12%, #18181B) 5px 10px);
}

:root[data-theme="dark"] .ld-inv-row {
    background: #18181B;
    border-color: #3F3F46;
}

:root[data-theme="dark"] .ld-inv-qty { color: rgba(228, 228, 231, 0.62); }

:root[data-theme="dark"] .ld-inv-badge.is-ok  { color: #6EE7B7; border-color: #6EE7B7; background: rgba(5, 150, 105, 0.18); }
:root[data-theme="dark"] .ld-inv-badge.is-low { color: #FCD34D; border-color: #FCD34D; background: rgba(180, 83, 9, 0.20); }
:root[data-theme="dark"] .ld-inv-badge.is-out { color: #FCA5A5; border-color: #FCA5A5; background: rgba(220, 38, 38, 0.18); }
:root[data-theme="dark"] .ld-inv-badge.is-exp { color: #FCD34D; border-color: #FCD34D; background: rgba(180, 83, 9, 0.20); }

:root[data-theme="dark"] .ld-labs-more { color: rgba(228, 228, 231, 0.62); }

:root[data-theme="dark"] .mk-sq { background: #18181B; border-color: #3F3F46; }
:root[data-theme="dark"] .mk-tab { border-color: #3F3F46; color: rgba(228, 228, 231, 0.6); }
:root[data-theme="dark"] .mk-tab.is-active { border-color: #C4B5FD; color: #FFFFFF; }
:root[data-theme="dark"] .mk-input { background: #18181B; border-color: #3F3F46; color: #E4E4E7; }
:root[data-theme="dark"] .mk-trow { background: #18181B; border-color: #3F3F46; }
:root[data-theme="dark"] .mk-thead { background: transparent; border-color: transparent; color: rgba(228, 228, 231, 0.55); }
:root[data-theme="dark"] .mk-trow-result { background: rgba(196, 181, 253, 0.12); border-color: #C4B5FD; }
:root[data-theme="dark"] .mk-plate { background: #18181B; border-color: #3F3F46; }
:root[data-theme="dark"] .mk-well { background: #212124; border-color: #3F3F46; }
:root[data-theme="dark"] .mk-timer,
:root[data-theme="dark"] .mk-post,
:root[data-theme="dark"] .mk-meet,
:root[data-theme="dark"] .mk-proj,
:root[data-theme="dark"] .mk-req,
:root[data-theme="dark"] .mk-member,
:root[data-theme="dark"] .mk-step { background: #18181B; border-color: #3F3F46; }
:root[data-theme="dark"] .mk-post.is-pinned { border-color: #C4B5FD; background: rgba(196, 181, 253, 0.08); }
:root[data-theme="dark"] .mk-post-meta,
:root[data-theme="dark"] .mk-proj em,
:root[data-theme="dark"] .mk-member em,
:root[data-theme="dark"] .mk-step em { color: rgba(228, 228, 231, 0.55); }
:root[data-theme="dark"] .mk-bar { background: rgba(228, 228, 231, 0.15); }
:root[data-theme="dark"] .mk-bar i { background: #C4B5FD; }
:root[data-theme="dark"] .mk-step i { border-color: rgba(228, 228, 231, 0.4); }
:root[data-theme="dark"] .mk-step.is-done i { background: #7C3AED; border-color: #C4B5FD; }
:root[data-theme="dark"] .ld-inv-badge.is-info { color: #93C5FD; border-color: #93C5FD; background: rgba(37, 99, 235, 0.18); }

:root[data-theme="dark"] .ft-crumb { color: rgba(228, 228, 231, 0.55); }
:root[data-theme="dark"] .ft-crumb a { color: #C4B5FD; }

:root[data-theme="dark"] .ft-icon {
    background: color-mix(in srgb, var(--ld-color) 22%, #18181B);
}

:root[data-theme="dark"] .ft-tag,
:root[data-theme="dark"] .ft-who p { color: rgba(228, 228, 231, 0.72); }

:root[data-theme="dark"] .ft-intro p { color: rgba(228, 228, 231, 0.8); }

:root[data-theme="dark"] .ft-steps li {
    background: #212124;
    border-color: #3F3F46;
}

:root[data-theme="dark"] .ft-related-chip {
    background: #212124;
    border-color: #3F3F46;
    color: #E4E4E7;
}

:root[data-theme="dark"] .ft-related-chip:hover { border-color: var(--ld-color); }

:root[data-theme="dark"] .ld-faq-item {
    background: #212124;
    border-color: #3F3F46;
}

:root[data-theme="dark"] .ld-faq-item summary::after { color: #C4B5FD; }
:root[data-theme="dark"] .ld-faq-item p { color: rgba(228, 228, 231, 0.72); }

:root[data-theme="dark"] .ld-footer { border-top-color: #3F3F46; }
:root[data-theme="dark"] .ld-footer-brand p,
:root[data-theme="dark"] .ld-footer-note { color: rgba(228, 228, 231, 0.65); }
:root[data-theme="dark"] .ld-footer-col h4 { color: rgba(228, 228, 231, 0.62); }
:root[data-theme="dark"] .ld-footer-col a { color: rgba(228, 228, 231, 0.75); }
:root[data-theme="dark"] .ld-footer-col a:hover { color: #C4B5FD; }