/* ===== CLARA SCIENCE ACADEMY — PUBLIC HOME: "Living lab notebook" ===== */

:root {
    --home-primary: #0f766e;
    --home-primary-dark: #0d5c56;
    --home-accent: #d97706;
    --home-text: #1f2937;
    --home-text-muted: #6b7280;
    --home-bg: #f5f6f4;
    --home-bg-alt: #e8f0ef;
    --home-border: #dde5e4;

    --lab-ink: #07111f;
    --lab-ink-2: #0c1b2e;
    --lab-ink-3: #13283f;
    --lab-glow: #2dd4bf;
    --lab-glow-soft: rgba(45, 212, 191, 0.18);
    --lab-amber: #fbbf24;
    --lab-paper: #fbfaf5;
    --lab-paper-line: rgba(15, 118, 110, 0.09);
    --lab-text: #1c2533;
    --lab-muted: #5b6676;
    --lab-display: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
    --lab-hand: "Caveat", "Segoe Print", "Bradley Hand", cursive;
    --lab-radius: 22px;
}

.csa-home-main {
    width: 100%;
    max-width: 100%;
    padding: 0 !important;
    margin: 0 !important;
}

.lab-home {
    background: var(--lab-paper);
    color: var(--lab-text);
    overflow-x: clip;
}

.lab-home h1,
.lab-home h2,
.lab-home h3 {
    font-family: var(--lab-display);
    letter-spacing: -0.02em;
}

/* ── Shared bits ── */
.lab-head {
    max-width: 640px;
    margin-bottom: 2.75rem;
}

.lab-head--center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.lab-head__title {
    font-size: clamp(2rem, 4.2vw, 3rem);
    font-weight: 700;
    line-height: 1.08;
    margin-bottom: 0.75rem;
}

.lab-head__sub {
    color: var(--lab-muted);
    font-size: 1.08rem;
    line-height: 1.65;
    margin: 0;
}

.lab-head--light .lab-head__title { color: #fff; }
.lab-head--light .lab-head__sub { color: rgba(226, 240, 245, 0.75); }

.lab-scribble {
    display: inline-block;
    font-family: var(--lab-hand);
    font-size: 1.55rem;
    font-weight: 600;
    color: var(--home-primary);
    transform: rotate(-2deg);
    margin-bottom: 0.4rem;
    position: relative;
}

.lab-scribble::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0.1em;
    height: 0.35em;
    background: rgba(251, 191, 36, 0.35);
    z-index: -1;
    border-radius: 4px;
}

.lab-scribble--light { color: var(--lab-glow); }
.lab-scribble--light::after { background: rgba(45, 212, 191, 0.16); }

.lab-btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.lab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.35rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.98rem;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
    background: none;
}

.lab-btn:hover { transform: translateY(-2px); }
.lab-btn:focus-visible { outline: 3px solid var(--lab-amber); outline-offset: 3px; }

.lab-btn--glow {
    background: linear-gradient(135deg, #14b8a6, var(--home-primary));
    color: #fff;
    box-shadow: 0 0 0 1px rgba(45, 212, 191, 0.4), 0 10px 30px rgba(20, 184, 166, 0.35);
}

.lab-btn--glow:hover {
    color: #fff;
    box-shadow: 0 0 0 1px rgba(45, 212, 191, 0.7), 0 14px 40px rgba(20, 184, 166, 0.5);
}

.lab-btn--ghost {
    color: #e2f3f1;
    border-color: rgba(226, 243, 241, 0.3);
    background: rgba(255, 255, 255, 0.04);
}

.lab-btn--ghost:hover {
    color: #fff;
    border-color: rgba(45, 212, 191, 0.7);
    background: rgba(45, 212, 191, 0.08);
}

.lab-btn--text {
    color: rgba(226, 243, 241, 0.75);
    padding-left: 0.6rem;
    padding-right: 0.6rem;
}

.lab-btn--text:hover { color: var(--lab-glow); }

.lab-btn--solid {
    background: var(--home-primary);
    color: #fff;
    box-shadow: 0 10px 24px rgba(15, 118, 110, 0.25);
}

.lab-btn--solid:hover { background: var(--home-primary-dark); color: #fff; }

.lab-btn--outline {
    color: var(--home-primary-dark);
    border-color: rgba(15, 118, 110, 0.35);
    background: #fff;
}

.lab-btn--outline:hover { border-color: var(--home-primary); color: var(--home-primary-dark); }

/* Scroll reveal */
.lab-js [data-lab-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.lab-js [data-lab-reveal].is-visible {
    opacity: 1;
    transform: none;
}

/* ── 1. Hero ── */
.lab-hero {
    position: relative;
    min-height: calc(100vh - 64px);
    min-height: calc(100svh - 64px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4.5rem 0 5.5rem;
    background:
        radial-gradient(1200px 600px at 75% 30%, rgba(20, 184, 166, 0.16), transparent 60%),
        radial-gradient(800px 500px at 10% 90%, rgba(251, 191, 36, 0.08), transparent 60%),
        linear-gradient(180deg, var(--lab-ink) 0%, var(--lab-ink-2) 100%);
    color: #e6f1f5;
    overflow: hidden;
    isolation: isolate;
}

.lab-hero__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.lab-hero__glow {
    position: absolute;
    inset: auto 0 0 0;
    height: 160px;
    background: linear-gradient(180deg, transparent, rgba(7, 17, 31, 0.85));
    z-index: -1;
    pointer-events: none;
}

.lab-hero__grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 3rem;
    align-items: center;
}

.lab-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(45, 212, 191, 0.3);
    background: rgba(45, 212, 191, 0.07);
    color: #a7f3e8;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 1.5rem;
}

.lab-tag__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--lab-glow);
    box-shadow: 0 0 0 0 rgba(45, 212, 191, 0.7);
    animation: lab-pulse 2.2s infinite;
}

@keyframes lab-pulse {
    0% { box-shadow: 0 0 0 0 rgba(45, 212, 191, 0.6); }
    70% { box-shadow: 0 0 0 10px rgba(45, 212, 191, 0); }
    100% { box-shadow: 0 0 0 0 rgba(45, 212, 191, 0); }
}

.lab-hero__title {
    font-size: clamp(2.6rem, 6.2vw, 4.9rem);
    font-weight: 700;
    line-height: 1.02;
    color: #fff;
    margin-bottom: 1.4rem;
}

.lab-cycle {
    display: inline-block;
    position: relative;
    color: var(--lab-glow);
    text-shadow: 0 0 28px rgba(45, 212, 191, 0.55);
    transition: opacity 0.35s ease, transform 0.35s ease, filter 0.35s ease;
}

.lab-cycle::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0.02em;
    height: 0.08em;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--lab-glow), var(--lab-amber));
}

.lab-cycle.is-swapping {
    opacity: 0;
    transform: translateY(0.25em);
    filter: blur(6px);
}

.lab-hero__lead {
    font-size: 1.15rem;
    line-height: 1.7;
    color: rgba(226, 240, 245, 0.8);
    max-width: 34rem;
    margin-bottom: 2rem;
}

.lab-hero__welcome {
    color: rgba(226, 240, 245, 0.85);
    margin-bottom: 1rem;
}

.lab-hero__welcome span { color: rgba(226, 240, 245, 0.55); }

.lab-hero__visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 460px;
}

.lab-lens {
    position: relative;
    width: min(420px, 82vw);
    aspect-ratio: 1;
}

.lab-lens__ring {
    position: absolute;
    inset: -18px;
    border-radius: 50%;
    border: 1px dashed rgba(45, 212, 191, 0.45);
    animation: lab-spin 60s linear infinite;
}

.lab-lens__ring::before,
.lab-lens__ring::after {
    content: "";
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--lab-glow);
    box-shadow: 0 0 14px var(--lab-glow);
    top: 50%;
    left: -6px;
}

.lab-lens__ring::after {
    left: auto;
    right: -6px;
    background: var(--lab-amber);
    box-shadow: 0 0 14px var(--lab-amber);
}

@keyframes lab-spin { to { transform: rotate(360deg); } }

.lab-lens__glass {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    overflow: hidden;
    border: 6px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        0 0 0 1px rgba(45, 212, 191, 0.35),
        0 0 80px rgba(20, 184, 166, 0.35),
        inset 0 0 60px rgba(7, 17, 31, 0.6);
    background: var(--lab-ink-3);
}

.lab-lens__glass::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.22), transparent 40%);
    pointer-events: none;
}

.lab-lens__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transform: scale(1.08);
    transition: opacity 1.2s ease, transform 6s ease;
}

.lab-lens__img.is-active {
    opacity: 1;
    transform: scale(1);
}

.lab-lens__tick {
    position: absolute;
    width: 40px;
    height: 1px;
    background: rgba(45, 212, 191, 0.6);
}

.lab-lens__tick--a { top: 12%; right: -46px; transform: rotate(-30deg); }
.lab-lens__tick--b { bottom: 14%; left: -46px; transform: rotate(-30deg); }

.lab-reading {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.7rem 1rem;
    border-radius: 14px;
    background: rgba(12, 27, 46, 0.72);
    border: 1px solid rgba(45, 212, 191, 0.3);
    backdrop-filter: blur(10px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    animation: lab-float 7s ease-in-out infinite;
}

.lab-reading span {
    font-family: var(--lab-display);
    font-size: 1.55rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
}

.lab-reading small {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #8be9dc;
    margin-top: 0.25rem;
}

.lab-reading--a { top: 4%; left: 0; }
.lab-reading--b { bottom: 10%; right: -2%; animation-delay: -2.5s; }
.lab-reading--c { bottom: -2%; left: 10%; animation-delay: -4.5s; }

@keyframes lab-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.lab-scroll-cue {
    position: absolute;
    left: 50%;
    bottom: 1.4rem;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    color: rgba(226, 240, 245, 0.6);
    text-decoration: none;
    font-family: var(--lab-hand);
    font-size: 1.25rem;
}

.lab-scroll-cue i {
    font-size: 1rem;
    animation: lab-bob 1.8s ease-in-out infinite;
}

.lab-scroll-cue:hover { color: var(--lab-glow); }

@keyframes lab-bob {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ── 2. Field notes ── */
.lab-notes {
    padding: 6rem 0 5rem;
    background-color: var(--lab-paper);
    background-image:
        linear-gradient(var(--lab-paper-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--lab-paper-line) 1px, transparent 1px);
    background-size: 28px 28px;
}

.lab-notes__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.lab-notes__media {
    position: sticky;
    top: 90px;
}

.lab-notes__frame {
    position: relative;
    aspect-ratio: 4 / 5;
    border-radius: var(--lab-radius);
    overflow: hidden;
    background: #dfe7e6;
    box-shadow: 0 30px 60px rgba(15, 23, 42, 0.18);
    transform: rotate(-1.5deg);
    border: 10px solid #fff;
}

.lab-notes__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.8s ease, transform 1.2s ease;
    transform: scale(1.05);
}

.lab-notes__img.is-active {
    opacity: 1;
    transform: scale(1);
}

.lab-notes__label {
    position: absolute;
    left: 1rem;
    bottom: 1rem;
    padding: 0.25rem 0.9rem;
    font-family: var(--lab-hand);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--lab-text);
    background: var(--lab-amber);
    border-radius: 6px;
    transform: rotate(-3deg);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.2);
}

.lab-notes__entries {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: none;
}

.lab-entry {
    min-height: 62vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 0;
    position: relative;
}

.lab-entry:not(:last-child)::after {
    content: "";
    position: absolute;
    left: 0.4rem;
    bottom: 0;
    height: 3.5rem;
    border-left: 2px dashed rgba(15, 118, 110, 0.3);
}

.lab-entry__step {
    font-family: var(--lab-hand);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--home-accent);
    margin-bottom: 0.25rem;
}

.lab-entry h3 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    margin-bottom: 0.85rem;
}

.lab-entry p {
    font-size: 1.1rem;
    line-height: 1.75;
    color: var(--lab-muted);
    max-width: 30rem;
    margin: 0;
}

.lab-entry__img {
    display: none;
}

.lab-entry.is-current h3 { color: var(--home-primary-dark); }

/* ── 3. Periodic table ── */
.lab-table {
    position: relative;
    padding: 6rem 0;
    background:
        radial-gradient(900px 500px at 15% 10%, rgba(20, 184, 166, 0.14), transparent 60%),
        linear-gradient(180deg, var(--lab-ink-2), var(--lab-ink));
    color: #e6f1f5;
    overflow: hidden;
}

.lab-table::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(45, 212, 191, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(45, 212, 191, 0.05) 1px, transparent 1px);
    background-size: 44px 44px;
    pointer-events: none;
}

.lab-table__layout {
    position: relative;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 2.5rem;
    align-items: stretch;
}

.lab-elements {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.85rem;
}

.lab-el {
    --el: #2dd4bf;
    position: relative;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0.6rem;
    border-radius: 14px;
    border: 1px solid color-mix(in srgb, var(--el) 40%, transparent);
    background: color-mix(in srgb, var(--el) 8%, rgba(12, 27, 46, 0.85));
    color: #fff;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.lab-el:hover,
.lab-el:focus-visible,
.lab-el.is-active {
    transform: translateY(-4px) scale(1.03);
    background: color-mix(in srgb, var(--el) 22%, rgba(12, 27, 46, 0.9));
    box-shadow: 0 0 0 1px var(--el), 0 0 32px color-mix(in srgb, var(--el) 45%, transparent);
    outline: none;
}

.lab-el__num {
    position: absolute;
    top: 0.5rem;
    left: 0.65rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(226, 240, 245, 0.55);
}

.lab-el__sym {
    font-family: var(--lab-display);
    font-size: clamp(1.8rem, 3.2vw, 2.6rem);
    font-weight: 700;
    line-height: 1;
    color: var(--el);
}

.lab-el__name {
    margin-top: 0.35rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(226, 240, 245, 0.8);
    text-align: center;
}

.lab-el--sci { --el: #2dd4bf; }
.lab-el--math { --el: #60a5fa; }
.lab-el--lang { --el: #f472b6; }
.lab-el--hist { --el: #fbbf24; }
.lab-el--code { --el: #a78bfa; }
.lab-el--art { --el: #fb7185; }
.lab-el--pe { --el: #4ade80; }
.lab-el--comm { --el: #fdba74; }

.lab-readout {
    position: relative;
    padding: 2rem;
    border-radius: var(--lab-radius);
    background: rgba(12, 27, 46, 0.75);
    border: 1px solid rgba(45, 212, 191, 0.25);
    box-shadow: inset 0 0 40px rgba(45, 212, 191, 0.06);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.lab-readout__eyebrow {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(139, 233, 220, 0.75);
    margin-bottom: 1rem;
}

.lab-readout__sym {
    font-family: var(--lab-display);
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1;
    color: var(--readout-color, var(--lab-glow));
    text-shadow: 0 0 30px var(--readout-color, var(--lab-glow));
    margin-bottom: 0.75rem;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.lab-readout__name {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.6rem;
}

.lab-readout__desc {
    color: rgba(226, 240, 245, 0.78);
    line-height: 1.7;
    margin: 0;
}

/* ── 4. Specimen gallery ── */
.lab-gallery {
    padding: 6rem 0;
    background: var(--lab-paper);
}

.lab-specimens {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: 210px;
    grid-auto-flow: dense;
    gap: 1.1rem;
}

.lab-specimen {
    position: relative;
    margin: 0;
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    padding: 8px;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.1);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    cursor: default;
}

.lab-specimen--tall { grid-row: span 2; }
.lab-specimen--wide { grid-column: span 2; }

.lab-specimen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
    display: block;
    transition: transform 0.6s ease, filter 0.4s ease;
}

.lab-specimen figcaption {
    position: absolute;
    left: 8px;
    right: 8px;
    bottom: 8px;
    padding: 0.9rem 1rem 0.8rem;
    border-radius: 0 0 10px 10px;
    background: linear-gradient(180deg, transparent, rgba(7, 17, 31, 0.85));
    color: #fff;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.lab-specimen__no {
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #8be9dc;
}

.lab-specimen__label {
    font-family: var(--lab-hand);
    font-size: 1.55rem;
    font-weight: 700;
    line-height: 1.1;
}

.lab-specimen:nth-child(odd):hover,
.lab-specimen:nth-child(odd):focus-visible { transform: rotate(-1.2deg) translateY(-4px); }
.lab-specimen:nth-child(even):hover,
.lab-specimen:nth-child(even):focus-visible { transform: rotate(1.2deg) translateY(-4px); }

.lab-specimen:hover,
.lab-specimen:focus-visible {
    box-shadow: 0 22px 44px rgba(15, 23, 42, 0.18);
    outline: none;
}

.lab-specimen:hover img,
.lab-specimen:focus-visible img { transform: scale(1.05); }

.lab-el:focus-visible,
.lab-specimen:focus-visible {
    outline: 3px solid #f59e0b;
    outline-offset: 3px;
}

.lab-specimen:hover figcaption,
.lab-specimen:focus-visible figcaption,
.lab-specimen.is-tapped figcaption {
    opacity: 1;
    transform: none;
}

/* ── 5. Lab readings ── */
.lab-readings {
    padding: 0 0 5rem;
    background: var(--lab-paper);
}

.lab-readings__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    padding: 2rem;
    border-radius: var(--lab-radius);
    background: #fff;
    border: 1px solid var(--home-border);
    box-shadow: 0 14px 40px rgba(15, 23, 42, 0.06);
}

.lab-gauge {
    padding: 0.5rem 1rem;
    border-right: 1px dashed var(--home-border);
}

.lab-gauge:last-child { border-right: none; }

.lab-gauge__value {
    font-family: var(--lab-display);
    font-size: clamp(2.4rem, 4.5vw, 3.4rem);
    font-weight: 700;
    line-height: 1;
    color: var(--home-primary);
    margin-bottom: 0.4rem;
}

.lab-gauge p {
    margin: 0;
    color: var(--lab-muted);
    font-weight: 600;
}

.lab-gauge__title {
    color: var(--lab-text) !important;
    font-weight: 700 !important;
    margin-bottom: 0.6rem !important;
}

.lab-gauge ul {
    list-style: none;
    padding: 0;
    margin: 0;
    color: var(--lab-muted);
    font-size: 0.95rem;
}

.lab-gauge ul li { padding: 0.15rem 0; }
.lab-gauge ul i { color: var(--home-primary); margin-right: 0.35rem; }

/* ── 6. Voices ── */
.lab-voices {
    padding: 5rem 0 6rem;
    background-color: #f1efe6;
    background-image: repeating-linear-gradient(180deg, transparent 0 31px, rgba(59, 130, 246, 0.09) 31px 32px);
}

.lab-voices__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
    align-items: start;
}

.lab-note {
    position: relative;
    margin: 0;
    padding: 2.25rem 1.75rem 1.6rem;
    background: #fffef8;
    border-radius: 6px;
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.1);
}

.lab-note--tilt-l { transform: rotate(-1.5deg); }
.lab-note--tilt-r { transform: rotate(1.5deg); margin-top: 1.5rem; }
.lab-note--featured { background: #fff7d6; margin-top: -0.75rem; }

.lab-js .lab-note--tilt-l[data-lab-reveal].is-visible { transform: rotate(-1.5deg); }
.lab-js .lab-note--tilt-r[data-lab-reveal].is-visible { transform: rotate(1.5deg); }

.lab-note__tape {
    position: absolute;
    top: -12px;
    left: 50%;
    width: 96px;
    height: 26px;
    transform: translateX(-50%) rotate(-3deg);
    background: rgba(45, 212, 191, 0.35);
    border-radius: 3px;
}

.lab-note blockquote {
    font-family: var(--lab-hand);
    font-size: 1.5rem;
    line-height: 1.35;
    color: var(--lab-text);
    margin: 0 0 1.25rem;
}

.lab-note figcaption {
    display: flex;
    flex-direction: column;
    border-top: 1px dashed rgba(15, 23, 42, 0.15);
    padding-top: 0.75rem;
}

.lab-note figcaption strong { font-family: var(--lab-display); }
.lab-note figcaption span { color: var(--lab-muted); font-size: 0.9rem; }

/* ── 7. Families stay in the loop ── */
.lab-loop {
    padding: 4rem 0;
    background:
        radial-gradient(700px 300px at 85% 50%, rgba(45, 212, 191, 0.18), transparent 60%),
        linear-gradient(120deg, var(--lab-ink), var(--lab-ink-3));
    color: #e6f1f5;
}

.lab-loop__inner {
    display: grid;
    grid-template-columns: 1.4fr auto auto;
    gap: 2.5rem;
    align-items: center;
}

.lab-loop .lab-head__title {
    color: #fff;
    font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.lab-loop__copy p:last-child {
    color: rgba(226, 240, 245, 0.75);
    margin: 0;
    line-height: 1.65;
}

.lab-loop__icons {
    display: flex;
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.lab-loop__icons li {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    width: 88px;
    padding: 0.9rem 0.5rem;
    border-radius: 16px;
    border: 1px solid rgba(45, 212, 191, 0.25);
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.82rem;
    font-weight: 600;
}

.lab-loop__icons i {
    font-size: 1.5rem;
    color: var(--lab-glow);
}

/* ── 8. Visit ── */
.lab-visit {
    padding: 6rem 0;
    background-color: var(--lab-paper);
    background-image:
        linear-gradient(var(--lab-paper-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--lab-paper-line) 1px, transparent 1px);
    background-size: 28px 28px;
}

.lab-visit__card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    padding: 3rem;
    border-radius: 28px;
    background: #fff;
    border: 1px solid var(--home-border);
    box-shadow: 0 30px 70px rgba(15, 23, 42, 0.1);
    position: relative;
    overflow: hidden;
}

.lab-visit__card::before {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    right: -120px;
    top: -140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.18), transparent 70%);
    pointer-events: none;
}

.lab-visit__copy p:not(.lab-scribble) {
    color: var(--lab-muted);
    font-size: 1.08rem;
    line-height: 1.7;
    margin-bottom: 1.75rem;
}

.lab-visit__facts {
    display: grid;
    gap: 0.75rem;
    position: relative;
}

.lab-fact {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
    padding: 0.9rem 1rem;
    border-radius: 14px;
    border: 1px solid var(--home-border);
    background: var(--lab-paper);
    color: var(--lab-text);
    text-decoration: none;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

a.lab-fact:hover {
    border-color: var(--home-primary);
    transform: translateX(4px);
    color: var(--lab-text);
}

.lab-fact > i {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 118, 110, 0.1);
    color: var(--home-primary);
    font-size: 1.1rem;
}

.lab-fact div {
    display: flex;
    flex-direction: column;
    font-size: 0.95rem;
    line-height: 1.5;
    word-break: break-word;
}

.lab-fact strong { font-family: var(--lab-display); }
.lab-fact__muted { color: var(--lab-muted); }

/* ── Modals (behavior unchanged) ── */
#contactModal .modal-header { background: var(--home-primary) !important; }
#contactModal .text-success { color: var(--home-primary) !important; }

.home-updates-modal {
    border: none;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.home-updates-header {
    background: linear-gradient(135deg, var(--home-primary) 0%, var(--home-primary-dark) 100%) !important;
    color: #fff;
    padding: 1.25rem 1.5rem;
    border-bottom: none;
}

.home-updates-header-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.home-updates-subtitle { font-size: 0.9rem; opacity: 0.9; }

.home-updates-body {
    background: var(--home-bg) !important;
    color: var(--home-text);
    padding: 1.5rem 1.75rem;
}

.home-updates-intro {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: #fff;
    border: 1px solid var(--home-border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
}

.home-updates-intro-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(15, 118, 110, 0.12);
    color: var(--home-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.home-updates-intro-title { font-weight: 700; color: var(--home-text); font-size: 1rem; }

.home-updates-intro .updates-intro-text {
    font-size: 0.95rem;
    color: var(--home-text-muted);
    line-height: 1.6;
}

#updateModal .update-section {
    background: #fff;
    border: 1px solid var(--home-border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
    border-left: 4px solid var(--home-primary);
}

#updateModal .update-section h6 {
    font-weight: 700;
    color: var(--home-text);
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}

#updateModal .update-section ul li {
    font-size: 0.9rem;
    color: var(--home-text-muted);
    line-height: 1.6;
}

#updateModal .update-section .bi,
#updateModal .update-section .fas { color: var(--home-primary); }

#updateModal .modal-footer {
    background: var(--home-bg-alt) !important;
    border-top: 1px solid var(--home-border);
    padding: 1rem 1.5rem;
}

#updateModal .modal-footer .btn-primary {
    background: var(--home-primary) !important;
    border-color: var(--home-primary) !important;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
}

/* ── Version FAB + modal ── */
.csa-version-fab {
    position: fixed;
    right: 1.1rem;
    bottom: 1.1rem;
    z-index: 1040;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.85rem 0.5rem 0.7rem;
    border: 1px solid rgba(15, 118, 110, 0.28);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.94);
    color: var(--home-primary-dark);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
    backdrop-filter: blur(8px);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.csa-version-fab i { font-size: 0.9rem; color: var(--home-primary); }

.csa-version-fab:hover {
    transform: translateY(-2px);
    border-color: var(--home-primary);
    box-shadow: 0 12px 28px rgba(15, 118, 110, 0.18);
}

.csa-version-modal {
    border: none;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.18);
}

.csa-version-modal__head {
    background: linear-gradient(135deg, var(--home-primary), var(--home-primary-dark));
    color: #fff;
    border-bottom: none;
    padding: 1rem 1.15rem;
}

.csa-version-modal__eyebrow {
    margin: 0 0 0.15rem;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.85;
}

.csa-version-modal__head .modal-title { font-size: 0.95rem; font-weight: 700; }

.csa-version-modal__body { padding: 1.15rem 1.2rem 1rem; background: var(--home-bg); }

.csa-version-modal__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 7.5rem;
    padding: 0.45rem 0.9rem;
    margin-bottom: 0.95rem;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.12), rgba(217, 119, 6, 0.1));
    border: 1px solid rgba(15, 118, 110, 0.2);
    color: var(--home-primary-dark);
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.03em;
}

.csa-version-modal__line {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.75rem;
    margin: 0 0 0.45rem;
    font-size: 0.86rem;
    color: var(--home-text);
}

.csa-version-modal__label { color: var(--home-text-muted); font-size: 0.78rem; }

.csa-version-modal__note {
    margin: 0.85rem 0 0;
    padding-top: 0.85rem;
    border-top: 1px dashed var(--home-border);
    font-size: 0.8rem;
    line-height: 1.55;
    color: var(--home-text-muted);
}

.csa-version-modal__foot {
    background: #fff;
    border-top: 1px solid var(--home-border);
    padding: 0.65rem 1rem;
    gap: 0.5rem;
}

.csa-version-modal__updates-btn {
    background: var(--home-primary);
    border-color: var(--home-primary);
    color: #fff;
    font-weight: 600;
}

.csa-version-modal__updates-btn:hover {
    background: var(--home-primary-dark);
    border-color: var(--home-primary-dark);
    color: #fff;
}

/* ── Responsive ── */
@media (max-width: 992px) {
    .lab-hero { min-height: auto; padding: 3.5rem 0 5.5rem; }
    .lab-hero__grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .lab-hero__visual { min-height: 380px; }
    .lab-lens { width: min(340px, 78vw); }

    .lab-notes__grid { grid-template-columns: 1fr; gap: 0; }
    .lab-notes__media { display: none; }
    .lab-entry {
        min-height: 0;
        padding: 1.75rem;
        margin-bottom: 1.5rem;
        background: #fff;
        border-radius: var(--lab-radius);
        box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
    }
    .lab-entry:not(:last-child)::after { display: none; }
    .lab-entry__img {
        display: block;
        width: 100%;
        aspect-ratio: 16 / 10;
        object-fit: cover;
        border-radius: 14px;
        margin-top: 1.25rem;
    }

    .lab-table__layout { grid-template-columns: 1fr; }
    .lab-specimens { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 180px; }
    .lab-readings__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .lab-gauge:nth-child(2) { border-right: none; }
    .lab-voices__grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
    .lab-note--tilt-r, .lab-note--featured { margin-top: 0; }
    .lab-loop__inner { grid-template-columns: 1fr; text-align: left; gap: 1.5rem; }
    .lab-visit__card { grid-template-columns: 1fr; padding: 2rem; gap: 2rem; }
}

@media (max-width: 576px) {
    .lab-hero__title { font-size: 2.4rem; }
    .lab-tag__school { display: none; }
    .lab-hero__lead { font-size: 1.02rem; }
    .lab-btn-row .lab-btn { justify-content: center; }
    .lab-hero__visual { min-height: 320px; }
    .lab-reading { padding: 0.5rem 0.75rem; }
    .lab-reading span { font-size: 1.2rem; }
    .lab-reading--b { right: 0; }
    .lab-elements { gap: 0.45rem; }
    .lab-el { padding: 0.3rem; border-radius: 10px; }
    .lab-el__sym { font-size: 1.5rem; }
    .lab-el__name { font-size: 0.6rem; }
    .lab-el__num { top: 0.25rem; left: 0.4rem; font-size: 0.6rem; }
    .lab-readout { padding: 1.4rem; }
    .lab-readout__sym { font-size: 3rem; }
    .lab-specimens { grid-template-columns: 1fr 1fr; grid-auto-rows: 150px; gap: 0.7rem; }
    .lab-specimen figcaption { opacity: 1; transform: none; padding: 0.6rem 0.7rem; }
    .lab-specimen__label { font-size: 1.2rem; }
    .lab-readings__grid { grid-template-columns: 1fr; padding: 1.25rem; }
    .lab-gauge { border-right: none; border-bottom: 1px dashed var(--home-border); padding: 0.9rem 0.5rem; }
    .lab-gauge:last-child { border-bottom: none; }
    .lab-loop__icons li { width: auto; flex: 1; }
    .lab-visit__card { padding: 1.5rem; }
    .lab-notes, .lab-table, .lab-gallery, .lab-visit { padding: 4rem 0; }
    .csa-version-fab { right: 0.75rem; bottom: 0.75rem; padding: 0.45rem 0.7rem; font-size: 0.72rem; }
}

@media (prefers-reduced-motion: reduce) {
    .lab-home *,
    .lab-home *::before,
    .lab-home *::after {
        animation: none !important;
        transition: none !important;
    }
    .lab-js [data-lab-reveal] { opacity: 1; transform: none; }
    .lab-hero__canvas { display: none; }
}