.lab-home {
    background: var(--paper);
}

/* Masthead */

.lab-masthead {
    position: relative;
    overflow: hidden;
    padding-block: clamp(70px, 10vw, 140px);
    border-bottom: 1px solid var(--line);
}

.lab-masthead::before {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 116, 217, 0.045) 1px,
            transparent 1px),
        linear-gradient(90deg,
            rgba(0, 116, 217, 0.045) 1px,
            transparent 1px);
    background-size: 42px 42px;
    mask-image:
        linear-gradient(90deg,
            transparent 5%,
            black 55%,
            transparent 100%);
    content: "";
    pointer-events: none;
}

.lab-masthead-grid {
    position: relative;
    display: grid;
    grid-template-columns:
        minmax(0, 1fr) minmax(380px, 0.9fr);
    gap: clamp(54px, 9vw, 130px);
    align-items: stretch;
}

.lab-masthead-introduction {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
}

.lab-masthead-introduction h1 {
    max-width: 11ch;
    margin: 20px 0 28px;
    font-size: clamp(3.5rem, 7.5vw, 6.8rem);
    letter-spacing: -0.055em;
    line-height: 0.93;
}

.lab-masthead-lead {
    max-width: 58ch;
    margin-bottom: 42px;
    color: var(--ink-700);
    font-size: clamp(1.08rem, 1.6vw, 1.32rem);
    line-height: 1.62;
}

.lab-channel-index {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: auto;
    border-top: 1px solid var(--line-strong);
    border-bottom: 1px solid var(--line-strong);
}

.lab-channel-index span {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 54px;
    padding: 9px 12px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

.lab-channel-index span+span {
    border-left: 1px solid var(--line);
}

.lab-channel-index strong {
    color: var(--blue);
    font-size: 0.82rem;
}

/* Lead news */

.lead-news {
    position: relative;
    display: flex;
    min-height: 100%;
    overflow: hidden;
    flex-direction: column;
    border: 1px solid var(--ink-700);
    border-radius: var(--radius);
    background-color: var(--ink-950);
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px,
            transparent 1px),
        linear-gradient(90deg,
            rgba(255, 255, 255, 0.035) 1px,
            transparent 1px);
    background-size: 30px 30px;
    box-shadow:
        0 24px 70px rgba(7, 25, 28, 0.18);
    color: rgba(255, 255, 255, 0.78);
}

.lead-news::before {
    height: 4px;
    background:
        linear-gradient(90deg,
            var(--signal) 0 32%,
            var(--blue) 32% 100%);
    content: "";
}

.lead-news-topline {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 25px;
    border-bottom: 1px solid var(--dark-line);
    color: rgba(255, 255, 255, 0.62);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.lead-news-topline> :first-child {
    color: var(--signal);
    font-weight: 600;
}

.lead-news-image {
    display: block;
    height: clamp(180px, 18vw, 260px);
    overflow: hidden;
    flex: 0 0 auto;
    border-bottom: 1px solid var(--dark-line);
}

.lead-news-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}



.lead-news-body {
    display: flex;
    flex: 1;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding:
        clamp(32px, 5vw, 64px) clamp(26px, 5vw, 58px);
}

.lead-news-type {
    margin-bottom: 22px;
    color: #7ed8ff;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.lead-news h2 {
    max-width: 15ch;
    margin-bottom: 24px;
    color: #ffffff;
    font-size: clamp(2rem, 4vw, 3.8rem);
    letter-spacing: -0.04em;
}

.lead-news h2 a {
    color: inherit;
    text-decoration: none;
}

.lead-news h2 a:hover {
    color: var(--signal);
}

.lead-news-body p {
    max-width: 55ch;
    margin: 0;
    color: rgba(255, 255, 255, 0.68);
    font-size: 1rem;
}

.lead-news-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 19px 25px;
    border-top: 1px solid var(--dark-line);
    color: #ffffff;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
}

.lead-news-link span {
    color: var(--signal);
    font-size: 1.2rem;
}

.lead-news-link:hover {
    background: rgba(255, 255, 255, 0.045);
    color: #ffffff;
}

/* Shared homepage headings */

.home-section-heading {
    display: grid;
    grid-template-columns:
        minmax(280px, 1fr) minmax(280px, 0.8fr);
    gap: 50px;
    align-items: end;
    margin-bottom: 36px;
}

.home-section-heading h2 {
    margin: 10px 0 0;
}

.home-section-heading>p {
    max-width: 58ch;
    margin: 0;
    color: var(--muted);
}

.home-section-heading>.text-link {
    justify-self: end;
}

/* News stream */

.home-news-stream {
    padding-block: clamp(64px, 9vw, 110px);
    border-bottom: 1px solid var(--line);
    background: var(--surface);
}

.news-row-list {
    border-top: 1px solid var(--line-strong);
}

.news-row {
    display: grid;
    grid-template-columns:
        170px minmax(260px, 1fr) minmax(150px, 220px) 34px;
    gap: 26px;
    align-items: center;
    padding-block: 28px;
    border-bottom: 1px solid var(--line);
    color: inherit;
    text-decoration: none;
}

.news-row:hover {
    background:
        linear-gradient(90deg,
            rgba(155, 214, 41, 0.08),
            transparent 48%);
}

.news-row-date {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

.news-row-date time {
    color: var(--ink-800);
    font-weight: 600;
}

.news-row-date span {
    color: var(--blue-dark);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.news-row-content {
    min-width: 0;
}

.news-row-content.has-image {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: center;
}

.news-row-image {
    width: 150px;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    border: 1px solid var(--line);
}

.news-row-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-row-copy {
    min-width: 0;
}

.news-row-content h3 {
    margin-bottom: 7px;
    font-size: clamp(1.22rem, 2vw, 1.62rem);
}

.news-row-content p {
    max-width: 64ch;
    margin: 0;
    color: var(--muted);
    font-size: 0.94rem;
}

.news-row-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.news-row-topics span {
    padding: 5px 9px;
    border: 1px solid rgba(0, 103, 204, 0.22);
    border-radius: 999px;
    background: rgba(0, 103, 204, 0.055);
    color: var(--blue-dark);
    font-family: var(--font-mono);
    font-size: 0.64rem;
    font-weight: 500;
    line-height: 1.2;
}

.news-row-arrow {
    color: var(--blue);
    font-family: var(--font-mono);
    font-size: 1.3rem;
    transition: transform 150ms ease;
}

.news-row:hover .news-row-arrow {
    transform: translateX(4px);
}

/* RF tools dispatch */

.home-tools-dispatch {
    padding-block: clamp(64px, 9vw, 110px);
    background: var(--surface-soft);
}

.home-tool-links {
    border-top: 1px solid var(--line-strong);
}

.home-tool-links>a {
    display: grid;
    grid-template-columns: 72px 1fr 36px;
    gap: 20px;
    align-items: center;
    min-height: 104px;
    padding: 20px 14px;
    border-bottom: 1px solid var(--line);
    color: var(--ink-900);
    text-decoration: none;
}

.home-tool-links>a:hover {
    background: var(--surface);
}

.home-tool-number {
    color: var(--blue);
    font-family: var(--font-mono);
    font-size: 1.35rem;
}

.home-tool-links div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 28px;
}

.home-tool-links strong {
    font-size: clamp(1.2rem, 2vw, 1.55rem);
    font-weight: 600;
}

.home-tool-links div span {
    color: var(--muted);
    text-align: right;
}

.home-tool-links>a> :last-child {
    color: var(--signal-dark);
    font-family: var(--font-mono);
    font-size: 1.25rem;
}

/* Responsive */

@media (max-width: 960px) {
    .lab-masthead-grid {
        grid-template-columns: 1fr;
    }

    .lead-news {
        min-height: 520px;
    }

    .news-row {
        grid-template-columns: 145px minmax(0, 1fr) 34px;
    }

    .news-row-topics {
        display: none;
    }
}

@media (max-width: 720px) {
    .lab-channel-index {
        grid-template-columns: 1fr;
    }

    .lab-channel-index span+span {
        border-top: 1px solid var(--line);
        border-left: 0;
    }

    .home-section-heading {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .home-section-heading>.text-link {
        justify-self: start;
    }

    .news-row {
        grid-template-columns: 1fr 28px;
        gap: 14px;
    }

    .news-row-date {
        grid-column: 1 / -1;
    }

    .home-tool-links div {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .home-tool-links div span {
        text-align: left;
    }
}

@media (max-width: 520px) {
    .lab-masthead-introduction h1 {
        font-size: clamp(3.15rem, 17vw, 4.8rem);
    }

    .lead-news {
        min-height: 470px;
    }

    .lead-news-topline {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
    }

    .home-tool-links>a {
        grid-template-columns: 48px 1fr 24px;
    }
}