/* =================================================================
   RAXE - Labs Page Styles
   /labs and /labs/research (dark theme, cyan accent)
   ================================================================= */

/* ===== LABS PAGE BASE ===== */
.labs-page {
    background: var(--bg-dark);
    color: var(--text-on-dark);
}

/* ===== LABS HERO ===== */
.labs-hero {
    padding: var(--space-3xl) 0 var(--space-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.labs-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, var(--accent-labs-glow), transparent),
        radial-gradient(ellipse 50% 40% at 20% 80%, rgba(34, 211, 238, 0.08), transparent);
    pointer-events: none;
}

.labs-hero .container {
    position: relative;
    z-index: 1;
    width: 100%;
}

.labs-hero .hero-title {
    color: var(--text-on-dark);
}

.labs-hero .hero-subtitle {
    color: var(--text-on-dark-muted);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.labs-hero-body {
    font-size: 1rem;
    color: var(--text-on-dark-muted);
    max-width: 700px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

.labs-hero-ctas {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.btn-labs-primary {
    background: var(--accent-labs);
    color: var(--bg-dark);
    font-weight: 600;
}

.btn-labs-primary:hover {
    box-shadow: 0 4px 20px var(--accent-labs-glow);
}

.btn-labs-outline {
    background: transparent;
    color: var(--text-on-dark);
    border: 1px solid var(--border-dark-accent);
}

.btn-labs-outline:hover {
    background: rgba(34, 211, 238, 0.1);
}

/* ===== RESEARCH STREAMS ===== */
.labs-streams-section {
    padding: var(--space-3xl) 0;
    background: var(--bg-dark-secondary);
}

.labs-streams-section .section-title,
.labs-streams-section .section-subtitle {
    color: var(--text-on-dark);
}

.labs-streams-section .section-subtitle {
    color: var(--text-on-dark-muted);
}

.labs-streams-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
}

.labs-stream-card {
    background: var(--bg-dark);
    border: 1px solid var(--border-dark-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: border-color 0.2s;
}

.labs-stream-card:hover {
    border-color: var(--accent-labs);
}

.labs-stream-icon {
    color: var(--accent-labs);
    margin-bottom: var(--space-md);
}

.labs-stream-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-on-dark);
    margin-bottom: var(--space-sm);
}

.labs-stream-card p {
    font-size: 0.875rem;
    color: var(--text-on-dark-muted);
    line-height: 1.6;
}

@media (max-width: 640px) {
    .labs-streams-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== LABS NARRATIVE ===== */
.labs-narrative-section {
    padding: var(--space-3xl) 0;
}

.labs-narrative-section .section-title {
    color: var(--text-on-dark);
    text-align: left;
    max-width: 700px;
}

.labs-narrative-body {
    max-width: 700px;
}

.labs-narrative-body p {
    font-size: 1rem;
    color: var(--text-on-dark-muted);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.labs-narrative-body p strong {
    color: var(--text-on-dark);
}

/* ===== LABS 3-COLUMN ===== */
.labs-pillars-section {
    padding: var(--space-3xl) 0;
    background: var(--bg-dark-secondary);
}

.labs-pillars-section .section-title {
    color: var(--text-on-dark);
}

.labs-pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
}

.labs-pillar {
    text-align: center;
    padding: var(--space-lg);
}

.labs-pillar h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-on-dark);
    border-left: 3px solid var(--accent-labs);
    padding-left: 0.75rem;
    margin-bottom: var(--space-sm);
}

.labs-pillar p {
    font-size: 0.875rem;
    color: var(--text-on-dark-muted);
    line-height: 1.6;
}

@media (max-width: 640px) {
    .labs-pillars-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== ENTERPRISE RESEARCH ===== */
.labs-enterprise-section {
    padding: var(--space-3xl) 0;
}

.labs-enterprise-section .section-title {
    color: var(--text-on-dark);
}

.labs-enterprise-body {
    max-width: 700px;
    margin: 0 auto var(--space-xl);
    text-align: center;
}

.labs-enterprise-body p {
    font-size: 1rem;
    color: var(--text-on-dark-muted);
    line-height: 1.7;
}

.labs-enterprise-list {
    list-style: none;
    padding: 0;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.labs-enterprise-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.9rem;
    color: var(--text-on-dark-muted);
}

.labs-enterprise-list li svg {
    color: var(--accent-labs);
    flex-shrink: 0;
    margin-top: 2px;
}

.labs-enterprise-cta {
    text-align: center;
}

/* ===== LABS RESEARCH PAGE ===== */
.labs-research-hero {
    padding: var(--space-2xl) 0 var(--space-xl);
    text-align: center;
}

.labs-research-hero .hero-title {
    color: var(--text-on-dark);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.labs-research-hero .hero-subtitle {
    color: var(--text-on-dark-muted);
}

/* Filter bar */
.labs-filter-bar {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md) 0 var(--space-xl);
}

.labs-filter-group {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.labs-filter-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-on-dark-muted);
    min-width: 50px;
    text-align: right;
    margin-right: var(--space-xs);
}

.labs-filter-pill {
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(255,255,255,0.05);
    color: var(--text-on-dark-muted);
    border: 1px solid var(--border-dark-subtle);
    cursor: pointer;
    transition: all 0.2s;
}

.labs-filter-pill:hover,
.labs-filter-pill.active {
    background: var(--accent-labs);
    color: var(--bg-dark);
    border-color: var(--accent-labs);
}

/* Publication cards */
.labs-publications-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    max-width: 800px;
    margin: 0 auto;
    padding-bottom: var(--space-3xl);
}

.labs-pub-card {
    background: var(--bg-dark-card);
    border: 1px solid var(--border-dark-subtle);
    border-left: 3px solid var(--accent-labs);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: border-color 0.2s;
}

.labs-pub-card:hover {
    border-color: var(--accent-labs);
}

.labs-pub-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    flex-wrap: wrap;
}

.labs-pub-tag {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    background: rgba(34, 211, 238, 0.15);
    color: var(--accent-labs);
}

.labs-pub-date {
    font-size: 0.75rem;
    color: var(--text-on-dark-muted);
}

.labs-pub-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-on-dark);
    margin-bottom: var(--space-xs);
}

.labs-pub-card p {
    font-size: 0.875rem;
    color: var(--text-on-dark-muted);
    line-height: 1.5;
    margin-bottom: var(--space-sm);
}

.labs-pub-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-labs);
    transition: opacity 0.2s;
}

.labs-pub-link:hover {
    opacity: 0.8;
}

/* Subscribe CTA */
.labs-subscribe-section {
    padding: var(--space-2xl) 0 var(--space-3xl);
    text-align: center;
    /* Gradient top line provided by .section-gradient-top */
}

.labs-subscribe-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-on-dark);
    margin-bottom: var(--space-xs);
}

.labs-subscribe-section p {
    color: var(--text-on-dark-muted);
    margin-bottom: var(--space-lg);
}

.labs-subscribe-form {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    max-width: 400px;
    margin: 0 auto;
}

.labs-subscribe-input {
    flex: 1;
    padding: 10px 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-dark-subtle);
    border-radius: var(--radius-md);
    color: var(--text-on-dark);
    font-size: 0.875rem;
    font-family: inherit;
}

.labs-subscribe-input::placeholder {
    color: var(--text-on-dark-muted);
}

.labs-subscribe-input:focus {
    outline: none;
    border-color: var(--accent-labs);
}