/*
 * article.css
 * Quantum Portal — Bridge Article Styles
 * Upload to: assets/css/article.css
 * Depends on: quantum-portal.css (loads first, provides variables + base)
 *
 * Design tokens (from quantum-portal.css):
 *   --quantum-green:   #00ff41
 *   --quantum-cyan:    #00d9ff
 *   --quantum-magenta: #ff006e
 *   --quantum-yellow:  #ffbe0b
 *   --void:            #0a0e27
 *   Fonts: 'Orbitron' (headings), 'JetBrains Mono' (body)
 */

/* ============================================================
   ARTICLE CONTAINER
   Narrower max-width than concept pages for readability
   ============================================================ */

.article-container {
    max-width: 860px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

/* ============================================================
   ARTICLE HEADER
   ============================================================ */

.article-header {
    margin-bottom: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(0, 217, 255, 0.2);
}

.article-category {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--quantum-cyan);
    text-transform: uppercase;
    margin-bottom: 20px;
    opacity: 0.8;
}

.article-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    color: var(--quantum-green);
    line-height: 1.15;
    margin-bottom: 20px;
    text-shadow: 0 0 30px rgba(0, 255, 65, 0.3);
}

.article-subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    color: rgba(0, 217, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 700px;
}

.article-meta {
    display: flex;
    gap: 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: rgba(0, 255, 65, 0.45);
    letter-spacing: 0.1em;
}

/* ============================================================
   ARTICLE BODY — BASE PROSE
   ============================================================ */

.article-body {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    line-height: 1.85;
    color: rgba(0, 255, 65, 0.85);
}

.article-section {
    margin-bottom: 56px;
}

.article-section h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 900;
    color: var(--quantum-cyan);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0, 217, 255, 0.15);
}

.article-body p {
    margin-bottom: 18px;
    color: rgba(0, 255, 65, 0.82);
}

.article-lead {
    font-size: 1.05rem;
    color: rgba(0, 255, 65, 0.95) !important;
    line-height: 1.9;
    border-left: 3px solid var(--quantum-cyan);
    padding-left: 20px;
    margin-bottom: 24px !important;
}

.article-body strong {
    color: var(--quantum-green);
    font-weight: 700;
}

.article-body em {
    color: var(--quantum-cyan);
    font-style: normal;
}

/* ============================================================
   CALLOUT BOX
   Pull quote / key stat highlight
   ============================================================ */

.article-callout {
    background: rgba(0, 217, 255, 0.05);
    border: 1px solid rgba(0, 217, 255, 0.25);
    border-left: 4px solid var(--quantum-cyan);
    border-radius: 4px;
    padding: 20px 24px;
    margin: 28px 0;
}

.article-callout p {
    margin: 0 !important;
    color: var(--quantum-cyan) !important;
    font-size: 1rem;
    line-height: 1.7;
}

/* ============================================================
   INLINE LINK BOXES
   "Want to explore? → link" prompts
   ============================================================ */

.article-link-box {
    background: rgba(0, 255, 65, 0.04);
    border: 1px solid rgba(0, 255, 65, 0.2);
    border-radius: 4px;
    padding: 14px 18px;
    margin: 24px 0;
}

.article-link-box p {
    margin: 0 !important;
    font-size: 0.88rem;
    color: rgba(0, 255, 65, 0.65) !important;
}

.article-link-box a {
    color: var(--quantum-green);
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 255, 65, 0.4);
    transition: color 0.2s, border-color 0.2s;
}

.article-link-box a:hover {
    color: var(--quantum-cyan);
    border-color: var(--quantum-cyan);
}

/* ============================================================
   EXPLORE GRID
   6-card grid linking to concept pages
   ============================================================ */

.article-explore-grid {
    margin-top: 36px;
}

.article-explore-grid h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    font-weight: 900;
    color: var(--quantum-yellow);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 20px;
}

.explore-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.explore-card {
    display: block;
    text-decoration: none;
    background: rgba(0, 255, 65, 0.03);
    border: 1px solid rgba(0, 255, 65, 0.18);
    border-radius: 6px;
    padding: 18px;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.explore-card:hover {
    border-color: var(--quantum-cyan);
    background: rgba(0, 217, 255, 0.07);
    transform: translateY(-2px);
}

.explore-icon {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.explore-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.78rem;
    font-weight: 900;
    color: var(--quantum-green);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.explore-desc {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: rgba(0, 255, 65, 0.55);
    line-height: 1.5;
}

/* ============================================================
   FOOTER SECTION + CTA
   ============================================================ */

.article-footer-section {
    padding-top: 40px;
    border-top: 1px solid rgba(0, 255, 65, 0.12);
}

.article-cta {
    text-align: center;
    margin-top: 48px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 640px) {
    .article-container {
        padding: 24px 16px 60px;
    }

    .article-title {
        font-size: 1.6rem;
    }

    .explore-links {
        grid-template-columns: 1fr;
    }

    .article-lead {
        padding-left: 14px;
    }
}