/**
 * Keyboard Lab - Home (Laboratory)
 * Scoped to .kl-page--home.
 */

.kl-page--home {
    max-width: 980px;
    margin: 0 auto;
    padding: 1.25rem 1rem 2rem;
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    color: var(--lab-text);
    --home-card-bg: var(--theme-surface-elevated);
    --home-card-bg-solid: var(--theme-surface);
    --home-card-border: var(--theme-border);
    --home-card-shadow: 0 10px 24px rgba(10, 14, 20, 0.08);
}

html[data-theme="dark"] .kl-page--home {
    --home-card-shadow: 0 12px 28px rgba(3, 8, 14, 0.32);
}

.kl-page--home .kbdlab-card {
    border-radius: var(--radius-md);
    border: 1px solid var(--home-card-border);
    background: var(--home-card-bg);
    box-shadow: var(--home-card-shadow);
    color: var(--theme-text);
}

@media (min-width: 880px) {
    .kl-page--home {
        padding-inline: 1.5rem;
    }
}

.kl-page--home .kl-hero {
    text-align: center;
    margin-bottom: 1.25rem;
}

.kl-page--home .kl-home-badge-slot {
    display: flex;
    justify-content: flex-end;
    margin: 0.2rem 0 0.85rem;
}

.kl-page--home .kl-page-header h1 {
    margin: 0;
    font-size: clamp(2.2rem, 6vw, 3.7rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.kl-page--home .kl-tagline {
    margin: 0.75rem auto 0;
    max-width: 62ch;
    color: var(--theme-muted-strong);
    font-size: 1rem;
    line-height: 1.55;
}

.kl-page--home .kl-micro-instructions {
    margin: 0.75rem auto 0;
    max-width: 62ch;
    color: var(--lab-muted);
    font-size: 0.93rem;
}

.kl-page--home .kl-zen-counter-region {
    margin-top: 1rem;
    display: grid;
    justify-items: center;
    gap: 1.15rem;
}

.kl-page--home .kl-zen-display {
    min-width: min(90vw, 560px);
    border-radius: 20px;
    border: 1px solid var(--lab-border);
    background: linear-gradient(180deg, var(--theme-surface-elevated), var(--theme-surface-soft));
    padding: 1.2rem 1rem 1rem;
    box-shadow: var(--shadow-soft);
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.kl-page--home .kl-zen-count {
    display: block;
    font-family: var(--font-sans);
    font-weight: 800;
    font-size: clamp(4.2rem, 17vw, 10.5rem);
    line-height: 0.95;
    letter-spacing: -0.04em;
    color: var(--lab-text);
    transition: color 0.12s ease, text-shadow 0.12s ease;
}

.kl-page--home .kl-zen-label {
    margin-top: 0.25rem;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.79rem;
    color: var(--lab-muted);
}

.kl-page--home .kl-zen-display.is-key-hit {
    border-color: rgba(0, 209, 102, 0.52);
    box-shadow: 0 0 0 3px rgba(0, 209, 102, 0.14), var(--shadow-soft);
    transform: translateY(-1px);
}

.kl-page--home .kl-zen-display.is-key-hit .kl-zen-count {
    color: var(--lab-accent);
    text-shadow: 0 0 22px rgba(0, 209, 102, 0.28);
}

.kl-page--home .kl-btn {
    appearance: none;
    border: 1px solid var(--theme-border-strong);
    border-radius: 999px;
    background: var(--theme-surface);
    color: var(--lab-text);
    padding: 0.65rem 1rem;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.kl-page--home .kl-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(11, 14, 20, 0.1);
    background: var(--theme-surface-soft);
}

.kl-page--home .kl-nudge {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 40;
    width: min(92vw, 340px);
    border-radius: var(--radius-md);
    border: 1px solid var(--lab-border);
    background: var(--theme-surface);
    padding: 1rem;
    box-shadow: 0 16px 32px rgba(11, 14, 20, 0.16);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.kl-page--home .kl-nudge:not([hidden]) {
    opacity: 1;
    transform: translateY(0);
}

.kl-page--home .kl-nudge p {
    margin: 0;
    color: var(--lab-muted);
    font-size: 0.92rem;
}

.kl-page--home .kl-nudge__actions {
    margin-top: 0.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.kl-page--home .kl-btn--accent {
    border-color: var(--theme-accent);
    background: var(--theme-accent);
    color: #fff;
}

.kl-page--home .kl-btn-dismiss {
    border: 0;
    background: transparent;
    color: var(--lab-muted);
    text-decoration: underline;
    text-underline-offset: 0.18em;
    font: inherit;
    font-size: 0.85rem;
    cursor: pointer;
}

.kl-page--home .kl-tool-nav {
    margin-top: 0.85rem;
}

.kl-page--home .kl-grid-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 0.85rem;
}

.kl-page--home .kl-home-section {
    margin-top: 1.1rem;
    padding: 1rem;
}

.kl-page--home .kl-home-section h2 {
    margin: 0;
    font-size: clamp(1.2rem, 3.3vw, 1.55rem);
    line-height: 1.25;
    color: var(--theme-text);
}

.kl-page--home .kl-home-section p {
    margin: 0.75rem 0 0;
    color: var(--theme-muted-strong);
    line-height: 1.58;
}

.kl-page--home .kl-copy-list {
    margin: 0.75rem 0 0;
    padding-left: 1.15rem;
    display: grid;
    gap: 0.5rem;
    color: var(--theme-muted-strong);
    line-height: 1.5;
}

.kl-page--home .kl-copy-list li {
    font-size: 0.95rem;
}

.kl-page--home .kl-tool-card {
    background: var(--home-card-bg-solid);
    padding: 0.92rem;
}

.kl-page--home .kl-tool-card h3 {
    margin: 0;
    font-size: 1.02rem;
    line-height: 1.35;
    color: var(--theme-text);
}

.kl-page--home .kl-tool-card p {
    margin: 0.65rem 0 0;
    font-size: 0.92rem;
    color: var(--theme-muted-strong);
}

.kl-page--home .kl-tool-card__link {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    border: 1px solid var(--theme-accent);
    color: var(--theme-text);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-thickness: 1.4px;
    text-underline-offset: 0.18em;
    padding: 0.38rem 0.72rem;
    line-height: 1.2;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.kl-page--home .kl-tool-card__link:hover {
    background: var(--theme-accent);
    color: #fff;
}

.kl-page--home .kl-tool-card__link:focus-visible {
    outline: 3px solid var(--theme-focus);
    outline-offset: 2px;
}

.kl-page--home .kl-home-faq .kl-faq-item + .kl-faq-item {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--home-card-border);
}

.kl-page--home .kl-faq-item h3 {
    margin: 0;
    font-size: 1rem;
    line-height: 1.4;
    color: var(--theme-text);
}

.kl-page--home .kl-home-section a:not(.kl-tool-card__link) {
    color: var(--theme-link);
    text-decoration: underline;
    text-decoration-thickness: 1.5px;
    text-underline-offset: 0.2em;
}

.kl-page--home .kl-home-section a:not(.kl-tool-card__link):hover {
    color: var(--theme-link-hover);
}

.kl-page--home .kl-home-section a:not(.kl-tool-card__link):focus-visible {
    outline: 3px solid var(--theme-focus);
    outline-offset: 2px;
    border-radius: 4px;
}

@media (min-width: 960px) {
    .kl-page--home .kl-home-section {
        padding: 1.15rem 1.2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .kl-page--home .kl-zen-display,
    .kl-page--home .kl-btn,
    .kl-page--home .kl-tool-card__link,
    .kl-page--home .kl-nudge {
        transition: none;
    }
}