*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root { --blue:#1877f2; --blue2:#0ea5e9; --darker:#080e1a; --card:rgba(255,255,255,.04); --border:rgba(255,255,255,.09); --text:#f1f5f9; --muted:#64748b; }
html { scroll-behavior: smooth; }
body { background: var(--darker); color: var(--text); font-family: 'Segoe UI', system-ui, sans-serif; line-height: 1.7; }

/* NAV */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(8,14,26,.92); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); padding: 0 5vw; display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo img { width: 30px; height: 30px; border-radius: 7px; }
.nav-logo span { font-size: 1.05rem; font-weight: 800; color: #fff; }
.nav-logo em { color: var(--blue2); font-style: normal; }
.nav-links { display: flex; gap: 20px; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .85rem; font-weight: 600; transition: color .2s; }
.nav-links a:hover { color: var(--blue2); }
.nav-dl { background: linear-gradient(135deg, var(--blue), var(--blue2)); color: #fff !important; padding: 8px 18px; border-radius: 10px; }

/* MAIN */
main { max-width: 760px; margin: 0 auto; padding: 80px 5vw 80px; }

/* ARTICLE HEADER */
.article-header { padding: 32px 0 28px; border-bottom: 1px solid var(--border); margin-bottom: 32px; }
.breadcrumb { font-size: .75rem; color: var(--muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--blue2); }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.tag { display: inline-block; border-radius: 20px; padding: 4px 12px; font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; background: rgba(14,165,233,.12); border: 1px solid rgba(14,165,233,.25); color: var(--blue2); }
.tag.tiktok { background: rgba(254,44,85,.12); border-color: rgba(254,44,85,.3); color: #fe2c55; }
.tag.youtube { background: rgba(255,0,0,.12); border-color: rgba(255,0,0,.3); color: #ff4444; }
.tag.facebook { background: rgba(24,119,242,.12); border-color: rgba(24,119,242,.3); color: #42a5f5; }
.tag.instagram { background: rgba(225,48,108,.12); border-color: rgba(225,48,108,.3); color: #e1306c; }
.tag.whatsapp { background: rgba(37,211,102,.12); border-color: rgba(37,211,102,.3); color: #25d366; }
.tag.guide { background: rgba(124,58,237,.12); border-color: rgba(124,58,237,.3); color: #a78bfa; }
.article-header h1 { font-size: clamp(1.5rem, 4vw, 2.1rem); font-weight: 900; line-height: 1.25; margin-bottom: 12px; }
.lead { font-size: 1.05rem; color: #94a3b8; line-height: 1.7; margin-bottom: 14px; }
.article-meta { font-size: .78rem; color: var(--muted); }

/* BODY */
.article-body h2 { font-size: 1.25rem; font-weight: 800; margin: 32px 0 12px; }
.article-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.article-body p { color: #94a3b8; font-size: .95rem; margin-bottom: 14px; }
.article-body ul { padding-left: 20px; margin-bottom: 14px; }
.article-body li { color: #94a3b8; font-size: .92rem; margin-bottom: 6px; }
.article-body a { color: var(--blue2); text-decoration: none; }
.article-body a:hover { text-decoration: underline; }
code { background: rgba(255,255,255,.07); border: 1px solid var(--border); border-radius: 5px; padding: 2px 7px; font-family: monospace; font-size: .85rem; color: #7dd3fc; }
.code-block { background: rgba(255,255,255,.04); border: 1px solid var(--border); border-radius: 10px; padding: 14px 18px; font-family: monospace; font-size: .82rem; color: #7dd3fc; margin: 14px 0; overflow-x: auto; }

/* CALLOUT */
.callout { background: rgba(14,165,233,.07); border: 1px solid rgba(14,165,233,.2); border-left: 3px solid var(--blue2); border-radius: 10px; padding: 14px 16px; font-size: .88rem; color: #7dd3fc; margin: 20px 0; line-height: 1.7; }

/* STEPS */
.steps { margin: 20px 0; display: flex; flex-direction: column; gap: 14px; }
.step { display: flex; gap: 14px; align-items: flex-start; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.step-num { width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--blue2)); display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: .9rem; flex-shrink: 0; }
.step-body h3 { margin-bottom: 4px; font-size: .9rem; }
.step-body p { margin-bottom: 0; font-size: .83rem; }

/* CTA BOX */
.cta-box { background: linear-gradient(135deg, rgba(24,119,242,.12), rgba(14,165,233,.07)); border: 1px solid rgba(24,119,242,.25); border-radius: 18px; padding: 28px 24px; text-align: center; margin: 32px 0; }
.cta-icon { font-size: 2.5rem; margin-bottom: 10px; }
.cta-box h3 { font-size: 1.1rem; font-weight: 800; margin-bottom: 6px; }
.cta-box p { color: #94a3b8; font-size: .85rem; margin-bottom: 16px; }
.cta-btn { display: inline-block; background: linear-gradient(135deg, var(--blue), var(--blue2)); color: #fff; font-weight: 800; font-size: .9rem; padding: 12px 28px; border-radius: 12px; text-decoration: none !important; }
.cta-btn:hover { opacity: .88; }

/* FAQ */
.faq { margin: 20px 0; }
.faq-item { border-bottom: 1px solid var(--border); padding: 16px 0; }
.faq-item h3 { font-size: .9rem; font-weight: 700; margin-bottom: 7px; color: #e2e8f0; }
.faq-item p { margin-bottom: 0; font-size: .85rem; }

/* RELATED */
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin-top: 14px; }
.related-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; text-decoration: none !important; color: #94a3b8; font-size: .82rem; font-weight: 600; transition: border-color .2s, color .2s; }
.related-card:hover { border-color: rgba(14,165,233,.4); color: var(--blue2); }

/* COMPARISON */
.comparison-card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 20px; margin: 16px 0; }
.comparison-card.winner { border-color: rgba(24,119,242,.4); background: rgba(24,119,242,.05); }
.comp-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.comp-icon { font-size: 1.8rem; }
.comp-header strong { font-size: 1rem; font-weight: 800; display: block; }
.comp-badge { display: inline-block; background: linear-gradient(135deg, var(--blue), var(--blue2)); color: #fff; font-size: .65rem; font-weight: 800; padding: 2px 8px; border-radius: 20px; margin-top: 3px; }
.comp-body { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.comp-pros strong, .comp-cons strong { font-size: .78rem; display: block; margin-bottom: 6px; }
.comp-pros ul, .comp-cons ul { padding-left: 16px; }
.comp-pros li, .comp-cons li { font-size: .78rem; color: #94a3b8; margin-bottom: 4px; }

/* FOOTER */
footer { border-top: 1px solid var(--border); padding: 32px 5vw; text-align: center; color: var(--muted); font-size: .82rem; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--blue2); }

@media (max-width: 600px) {
  .comp-body { grid-template-columns: 1fr; }
  .nav-links a:not(.nav-dl) { display: none; }
}