/* Java performance lab: consulting, experiments, and experiment notes. */

.lab-page {
    padding-top: var(--header-height);
}

.lab-hero .container,
.lab-section .container {
    max-width: 60rem;
}

.lab-hero {
    padding: clamp(2.5rem, 6vw, 3.75rem) 0 clamp(2.25rem, 5vw, 3rem);
    background: var(--bg-dark) url('/img/carbon-fibre-v2.png');
}

.lab-hero h1,
.lab-section h2 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.15;
}

.lab-hero h1 {
    margin-bottom: 1rem;
    font-size: clamp(1.9rem, 4.2vw, 2.6rem);
}

.lab-lead,
.lab-section p {
    color: var(--text-secondary);
}

.lab-lead {
    max-width: 42rem;
    margin-bottom: 1.5rem;
    font-size: 1.08rem;
}

.lab-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 1.25rem;
}

.lab-actions .btn {
    margin: 0;
    text-transform: none;
    letter-spacing: 0.02em;
}

.lab-text-link {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
}

.lab-section {
    padding: clamp(2.75rem, 6vw, 4rem) 0;
}

.lab-section--alt {
    background: var(--bg-medium);
}

.lab-section h2 {
    font-size: clamp(1.55rem, 3.2vw, 2.1rem);
}

.lab-index + .lab-index-heading {
    margin-top: 2.5rem;
}

.lab-section-intro {
    margin-bottom: 1.5rem;
}

.lab-index {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.lab-entry {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 1.35rem 1.4rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-light);
}

.lab-entry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0 10px;
    margin-bottom: 0.4rem;
    color: var(--primary-green);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    line-height: 1.4;
    text-transform: uppercase;
}

.lab-entry-tags span + span::before {
    content: "·";
    margin-right: 10px;
    color: var(--text-secondary);
}

.lab-entry h2,
.lab-entry h3 {
    margin-bottom: 0.35rem;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: -0.02em;
}

.lab-entry h2 a,
.lab-entry h3 a {
    color: var(--text-primary);
}

.lab-entry h2 a:hover,
.lab-entry h3 a:hover {
    color: var(--primary-green);
}

.lab-entry-meta {
    margin-bottom: 0.55rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.lab-entry p {
    margin-bottom: 0.5rem;
    font-size: 0.98rem;
}

.lab-entry > p:not(.lab-entry-meta):not(.lab-entry-links) {
    flex: 1;
}

.lab-entry p:last-child {
    margin-bottom: 0;
}

.lab-entry-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1.15rem;
    margin-top: auto;
    padding-top: 0.35rem;
}

.lab-entry-links a {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
}

.lab-entry .lab-status {
    align-self: flex-start;
    margin-bottom: 0.7rem;
}

.lab-status {
    display: inline-block;
    margin-bottom: 0.85rem;
    padding: 0.2rem 0.65rem;
    border: 1px solid var(--primary-green);
    border-radius: 999px;
    color: var(--primary-green);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.diagnostic-list,
.layer-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 1.75rem;
    margin-top: 1.5rem;
}

.diagnostic-list li,
.layer-list li {
    position: relative;
    padding: 0.7rem 0 0.7rem 1.2rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.diagnostic-list li::before,
.layer-list li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--primary-green);
}

.case-stories {
    display: grid;
    gap: 0.85rem;
    margin-top: 1.5rem;
}

.case-story {
    padding: 1.15rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-light);
}

.case-story h3 {
    margin-bottom: 0.35rem;
    color: var(--text-primary);
    font-size: 1.05rem;
}

.case-story p {
    margin-bottom: 0;
}

.lab-cta {
    text-align: left;
}

.lab-cta .btn {
    margin: 0;
    text-transform: none;
    letter-spacing: 0.02em;
}

.breadcrumb {
    margin-bottom: 1.25rem;
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.breadcrumb a {
    display: inline-flex;
    align-items: center;
}

.lab-hero:has(.experiment-note) {
    padding-bottom: 1.5rem;
}

.lab-section:has(.experiment-note) {
    padding-top: 1.25rem;
}

.experiment-note {
    max-width: 48rem;
}

.experiment-note h1 {
    max-width: none;
}

.experiment-note section + section {
    margin-top: 2.5rem;
}

.experiment-note h2 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: clamp(1.2rem, 2.4vw, 1.45rem);
    letter-spacing: -0.02em;
}

.experiment-note p,
.experiment-note li {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.75;
}

.experiment-note p {
    margin-bottom: 1rem;
}

.comparison-list {
    margin: 0 0 1rem 1.2rem;
}

.comparison-list li {
    margin-bottom: 0.45rem;
}

.lab-footer-note {
    margin-top: 2rem;
}

.lab-footer-note a {
    font-weight: 600;
}

@media (pointer: coarse) {
    .lab-text-link,
    .lab-entry-links a,
    .breadcrumb a {
        min-height: 44px;
    }
}

@media (max-width: 768px) {
    .lab-index,
    .diagnostic-list,
    .layer-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .lab-hero h1 {
        font-size: 1.8rem;
        overflow-wrap: anywhere;
    }

    .lab-actions .btn,
    .lab-cta .btn {
        display: flex;
        width: 100%;
        justify-content: center;
        text-align: center;
    }
}