.page-hero { padding: 5rem 0 3rem; border-bottom: 1px solid var(--border); position: relative; overflow: hidden; }
.page-hero::after { content: ''; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse at 70% 40%, rgba(168,85,247,0.08) 0%, transparent 60%); }
.section-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--accent2); margin-bottom: 0.75rem; }
.page-hero h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; letter-spacing: -1.5px; margin-bottom: 0.75rem; }
.page-hero p { color: var(--text-muted); max-width: 560px; font-size: 1rem; }

section { padding: 4rem 0; }
.section-title { font-size: 1.4rem; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 0.5rem; }
.section-desc { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 2rem; }

/* Topics */
.topics-section { border-bottom: 1px solid var(--border); }
.topic-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; display: flex; gap: 1rem; align-items: flex-start; height: 100%; }
.topic-icon { width: 40px; height: 40px; flex-shrink: 0; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.topic-card h5 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.25rem; }
.topic-card p { font-size: 0.84rem; color: var(--text-muted); margin: 0; }

/* Articles */
.bg-card-section { background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.article-card { background: var(--bg-card2); border: 1px solid var(--border); border-radius: 12px; padding: 1.75rem; transition: border-color 0.2s; }
.article-card:hover { border-color: rgba(168,85,247,0.3); }
.article-tag { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; padding: 0.2rem 0.6rem; border-radius: 4px; margin-bottom: 0.75rem; display: inline-block; }
.tag-ai { background: rgba(6,214,160,0.15); color: var(--accent3); }
.tag-systems { background: rgba(79,124,255,0.15); color: var(--accent); }
.tag-business { background: rgba(168,85,247,0.15); color: var(--accent2); }
.tag-music { background: rgba(255,190,0,0.15); color: #ffc107; }
.article-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.article-card p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1rem; }
.article-meta { font-size: 0.78rem; color: var(--text-muted); }

/* CTA */
.cta-block { background: linear-gradient(135deg, rgba(168,85,247,0.1), rgba(79,124,255,0.1)); border: 1px solid rgba(168,85,247,0.2); border-radius: 16px; padding: 2.5rem; text-align: center; }
.cta-block h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 0.5rem; }
.cta-block p { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 0.9rem; }