/**
 * Keyboard Lab - About (Laboratory)
 * Scoped to .kbdlab-page--about.
 */

.kbc-skip-link {
    position: fixed;
    top: 0.6rem;
    left: 0.7rem;
    z-index: 200;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.45rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--theme-focus);
    background: var(--theme-focus);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    transform: translateY(-180%);
    transition: transform 0.16s ease;
}

.kbc-skip-link:focus,
.kbc-skip-link:focus-visible {
    transform: translateY(0);
    outline: 3px solid var(--theme-focus);
    outline-offset: 2px;
}

.kbdlab-page--about {
    max-width: none;
    margin: 0;
    padding: clamp(20px, 4vw, 48px);
    padding-top: clamp(28px, 5vw, 56px);
    background: var(--theme-bg);
    color: var(--theme-text);
}

.kbdlab-page--about .kbdlab-container {
    max-width: 960px;
    margin: 0 auto;
    display: grid;
    gap: clamp(16px, 2.7vw, 24px);
}

.kbdlab-page--about .kbc-hero__inner {
    max-width: 72ch;
}

.kbdlab-page--about .kbc-kicker {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.77rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--theme-muted);
}

.kbdlab-page--about .kbc-hero h1 {
    margin: 0.35rem 0 0;
    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.08;
    letter-spacing: -0.015em;
    font-weight: 800;
}

.kbdlab-page--about .kbc-lede {
    margin: 0.85rem 0 0;
    font-size: clamp(1.1rem, 1.8vw, 1.2rem);
    line-height: 1.6;
    color: var(--theme-muted-strong);
    max-width: 72ch;
}

.kbdlab-page--about .kbc-cta-row {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem 0.7rem;
}

.kbdlab-page--about .kbc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.52rem 0.85rem;
    border-radius: 9px;
    border: 1px solid var(--theme-border-strong);
    background: var(--theme-surface);
    color: var(--theme-text);
    font-weight: 600;
    text-decoration: none;
    line-height: 1.2;
    transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.kbdlab-page--about .kbc-btn:hover {
    border-color: var(--theme-border);
    background: var(--theme-surface-soft);
    box-shadow: 0 4px 14px rgba(11, 18, 32, 0.08);
}

.kbdlab-page--about .kbc-btn:focus-visible {
    outline: 3px solid var(--theme-focus);
    outline-offset: 2px;
}

.kbdlab-page--about .kbc-badges {
    margin-top: 0.9rem;
}

.kbdlab-page--about .kbc-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.42rem;
    border-radius: 999px;
    border: 1px solid var(--theme-border);
    background: var(--theme-surface);
    padding: 0.33rem 0.62rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--theme-muted);
}

.kbdlab-page--about .kbdlab-section {
    margin: 0;
}

.kbdlab-page--about .kbdlab-card {
    border-radius: 12px;
    border: 1px solid var(--theme-border);
    background: var(--theme-surface);
    box-shadow: 0 8px 24px rgba(11, 18, 32, 0.06);
    padding: clamp(18px, 2.5vw, 24px);
}

.kbdlab-page--about .kbc-section__inner > h2 {
    margin: 0;
    font-size: clamp(1.4rem, 2.7vw, 1.85rem);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.kbdlab-page--about .kbc-section__inner > h2 + p,
.kbdlab-page--about .kbc-section__inner > h2 + ul,
.kbdlab-page--about .kbc-section__inner > h2 + div {
    margin-top: 0.85rem;
}

.kbdlab-page--about .kbc-section__inner > p,
.kbdlab-page--about .kbc-section__inner > ul {
    max-width: 72ch;
}

.kbdlab-page--about .kbc-section__inner p {
    margin: 0.8rem 0 0;
    color: var(--theme-muted-strong);
    line-height: 1.68;
}

.kbdlab-page--about .kbc-section__inner ul {
    margin: 0.85rem 0 0;
    padding-left: 1.2rem;
    display: grid;
    gap: 0.45rem;
    color: var(--theme-muted-strong);
    line-height: 1.6;
}

.kbdlab-page--about .kbc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.8rem;
}

@media (min-width: 780px) {
    .kbdlab-page--about .kbc-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.kbdlab-page--about .kbc-grid .kbc-card.kbdlab-card {
    padding: 1rem;
    box-shadow: none;
    background: var(--theme-surface-soft);
}

.kbdlab-page--about .kbc-card h3 {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.35;
}

.kbdlab-page--about a {
    color: var(--theme-link);
    text-decoration: underline;
    text-decoration-thickness: 1.5px;
    text-underline-offset: 0.18em;
}

.kbdlab-page--about a:hover {
    color: var(--theme-link-hover);
    text-decoration-thickness: 2px;
}

.kbdlab-page--about a:focus-visible {
    outline: 3px solid var(--theme-focus);
    outline-offset: 2px;
    border-radius: 4px;
}

@media (max-width: 520px) {
    .kbdlab-page--about .kbc-cta-row {
        gap: 0.5rem;
    }

    .kbdlab-page--about .kbc-btn {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .kbc-skip-link,
    .kbdlab-page--about .kbc-btn {
        transition: none;
    }
}