/* ============================================================
   CABSTATES — Lane Hub Pages Shared Styles
   css/hub.css
   Version: 1.0 | May 2026
   Used by: learn/index.php | build/index.php | live/index.php
   ============================================================ */

/* ── Hub Hero ───────────────────────────────────────────────── */
.hub-hero {
    background: var(--black);
    position: relative;
    padding: var(--space-24) var(--space-10) var(--space-16);
    overflow: hidden;
}

.hub-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--yellow) 0%, var(--blue) 50%, var(--teal) 100%);
}

.hub-hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-10);
    align-items: end;
}

.hub-lane-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-6);
    border: 1px solid transparent;
}

.hub-lane-learn {
    color: var(--yellow);
    background: rgba(255, 215, 0, 0.08);
    border-color: rgba(255, 215, 0, 0.2);
}

.hub-lane-build {
    color: var(--blue-light);
    background: rgba(0, 71, 171, 0.12);
    border-color: rgba(0, 71, 171, 0.3);
}

.hub-lane-live {
    color: var(--teal);
    background: rgba(0, 184, 169, 0.08);
    border-color: rgba(0, 184, 169, 0.2);
}

.hub-hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 700;
    color: var(--white);
    line-height: var(--leading-tight);
    margin: 0 0 var(--space-5);
    letter-spacing: -0.02em;
}

.hub-hero-title span {
    color: var(--yellow);
}

.hub-hero-desc {
    font-family: var(--font-body);
    font-size: var(--text-md);
    color: rgba(245, 245, 245, 0.65);
    line-height: var(--leading-relaxed);
    margin: 0;
    max-width: 560px;
}

.hub-hero-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-3);
    padding-bottom: var(--space-2);
    flex-shrink: 0;
}

.hub-hero-stat {
    text-align: right;
}

.hub-hero-stat-number {
    font-family: var(--font-mono);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--yellow);
    line-height: 1;
    display: block;
}

.hub-hero-stat-label {
    font-family: var(--font-body);
    font-size: 0.7rem;
    color: rgba(245, 245, 245, 0.4);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    display: block;
    margin-top: 2px;
}

/* ── Section Common ─────────────────────────────────────────── */
.hub-section {
    background: var(--black);
    padding: var(--space-20) var(--space-10);
    position: relative;
}

.hub-section--alt {
    background: #0D0D0D;
}

.hub-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.07), transparent);
}

.hub-section-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.hub-section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: var(--space-12);
    gap: var(--space-6);
    flex-wrap: wrap;
}

.hub-section-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--yellow);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    margin-bottom: var(--space-3);
    display: block;
}

.hub-section-label--blue {
    color: var(--blue-light);
}

.hub-section-label--teal {
    color: var(--teal);
}

.hub-section-title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 2.5vw, 2.2rem);
    font-weight: 700;
    color: var(--white);
    margin: 0;
    line-height: var(--leading-snug);
}

/* ── Product Cards ──────────────────────────────────────────── */
.hub-products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.hub-products-grid--two {
    grid-template-columns: repeat(2, 1fr);
    max-width: 760px;
}

.hub-product-card {
    background: var(--black);
    padding: var(--space-10) var(--space-8);
    position: relative;
    display: flex;
    flex-direction: column;
    transition: background var(--transition-base);
    text-decoration: none;
}

.hub-product-card:hover {
    background: #111318;
    text-decoration: none;
}

.hub-product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: transparent;
    transition: background var(--transition-base);
}

.hub-product-card:hover::after {
    background: var(--yellow);
}

.hub-product-card--featured::after {
    background: var(--yellow);
}

.hub-product-card--featured {
    background: #0D1017;
}

.hub-product-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.hub-product-icon--yellow {
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.2);
    color: var(--yellow);
}

.hub-product-icon--blue {
    background: rgba(0, 71, 171, 0.12);
    border: 1px solid rgba(0, 71, 171, 0.3);
    color: var(--blue-light);
}

.hub-product-icon--teal {
    background: rgba(0, 184, 169, 0.1);
    border: 1px solid rgba(0, 184, 169, 0.25);
    color: var(--teal);
}

.hub-product-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 2px;
    margin-bottom: var(--space-3);
    background: rgba(255, 215, 0, 0.1);
    color: var(--yellow);
    border: 1px solid rgba(255, 215, 0, 0.2);
    align-self: flex-start;
}

.hub-product-name {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--white);
    margin: 0 0 var(--space-3);
    line-height: var(--leading-snug);
}

.hub-product-desc {
    font-family: var(--font-body);
    font-size: 0.88rem;
    color: rgba(245, 245, 245, 0.55);
    line-height: var(--leading-relaxed);
    margin: 0 0 var(--space-8);
    flex: 1;
}

.hub-product-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--yellow);
    text-decoration: none;
    letter-spacing: 0.02em;
    margin-top: auto;
    transition: gap var(--transition-fast);
}

.hub-product-card:hover .hub-product-cta {
    gap: var(--space-3);
}

.hub-product-cta--blue {
    color: var(--blue-light);
}

.hub-product-cta--teal {
    color: var(--teal);
}

/* ── Article Cards ──────────────────────────────────────────── */
.hub-articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

.hub-articles-grid--one {
    grid-template-columns: 1fr;
    max-width: 560px;
}

.hub-article-card {
    background: #111318;
    border: var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: var(--space-8) var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    text-decoration: none;
    transition: border-color var(--transition-base), background var(--transition-base);
    position: relative;
    overflow: hidden;
}

.hub-article-card:hover {
    border-color: rgba(255, 215, 0, 0.15);
    background: #13161d;
    text-decoration: none;
}

.hub-article-card-tag {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: rgba(255, 215, 0, 0.6);
}

.hub-article-card-tag--blue {
    color: rgba(111, 163, 255, 0.7);
}

.hub-article-card-tag--teal {
    color: rgba(0, 184, 169, 0.7);
}

.hub-article-card-title {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--white);
    line-height: var(--leading-snug);
    margin: 0;
}

.hub-article-card-excerpt {
    font-family: var(--font-body);
    font-size: 0.82rem;
    color: rgba(245, 245, 245, 0.5);
    line-height: var(--leading-relaxed);
    margin: 0;
    flex: 1;
}

.hub-article-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.hub-article-card-author {
    font-family: var(--font-mono);
    font-size: 0.58rem;
    color: rgba(245, 245, 245, 0.3);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.hub-article-card-read {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--yellow);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    transition: gap var(--transition-fast);
}

.hub-article-card-read--blue { color: var(--blue-light); }
.hub-article-card-read--teal { color: var(--teal); }

.hub-article-card:hover .hub-article-card-read {
    gap: var(--space-2);
}

/* ── Authority Strip ────────────────────────────────────────── */
.hub-authority {
    background: #0D0D0D;
    padding: var(--space-12) var(--space-10);
    position: relative;
}

.hub-authority::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 71, 171, 0.3), transparent);
}

.hub-authority-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.hub-authority-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue), var(--teal));
    flex-shrink: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hub-authority-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hub-authority-avatar-init {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
}

.hub-authority-divider {
    width: 1px;
    height: 48px;
    background: rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.hub-authority-text {
    flex: 1;
}

.hub-authority-name {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    margin: 0 0 4px;
}

.hub-authority-bio {
    font-family: var(--font-body);
    font-size: 0.82rem;
    color: rgba(245, 245, 245, 0.5);
    margin: 0;
    line-height: var(--leading-relaxed);
}

.hub-authority-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    flex-shrink: 0;
}

.hub-authority-tag {
    font-family: var(--font-mono);
    font-size: 0.58rem;
    color: rgba(245, 245, 245, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    padding: 3px 8px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* ── Bottom CTA ─────────────────────────────────────────────── */
.hub-bottom-cta {
    background: var(--black);
    padding: var(--space-20) var(--space-10);
    text-align: center;
    position: relative;
}

.hub-bottom-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.2), transparent);
}

.hub-bottom-cta-inner {
    max-width: 560px;
    margin: 0 auto;
}

.hub-bottom-cta-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: rgba(255, 215, 0, 0.6);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    margin-bottom: var(--space-4);
    display: block;
}

.hub-bottom-cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--white);
    margin: 0 0 var(--space-4);
    line-height: var(--leading-snug);
}

.hub-bottom-cta-sub {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: rgba(245, 245, 245, 0.55);
    margin: 0 0 var(--space-8);
    line-height: var(--leading-relaxed);
}

.hub-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--yellow);
    color: var(--black);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: background var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
    letter-spacing: 0.01em;
}

.hub-cta-btn:hover {
    background: var(--yellow-light);
    box-shadow: var(--shadow-yellow);
    transform: translateY(-1px);
    color: var(--black);
    text-decoration: none;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .hub-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hub-articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hub-hero-inner {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .hub-hero-meta {
        flex-direction: row;
        align-items: flex-start;
    }

    .hub-hero-stat {
        text-align: left;
    }

    .hub-authority-tags {
        display: none;
    }
}

@media (max-width: 768px) {
    .hub-hero {
        padding: 80px var(--space-5) var(--space-12);
    }

    .hub-section {
        padding: var(--space-16) var(--space-5);
    }

    .hub-products-grid,
    .hub-products-grid--two {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .hub-articles-grid {
        grid-template-columns: 1fr;
    }

    .hub-authority {
        padding: var(--space-10) var(--space-5);
    }

    .hub-authority-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-5);
    }

    .hub-authority-divider {
        display: none;
    }

    .hub-bottom-cta {
        padding: var(--space-16) var(--space-5);
    }

    .hub-section-header {
        flex-direction: column;
        align-items: flex-start;
    }
}