/* Semalt article layout — Buenos Aires SEO */
*{box-sizing:border-box}
body{margin:0;padding:0;font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;color:#1E3A5F;background:#fff}

/* Header */
.sem-header{background:#fff;border-bottom:1px solid #E5E7EB;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(30,58,95,.05)}
.sem-header-inner{max-width:1180px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.sem-logo img{height:34px;width:auto;display:block}
.sem-nav{display:flex;align-items:center}
.sem-nav-links{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:22px}
.sem-nav-links a{color:#1E3A5F;text-decoration:none;font-weight:500;font-size:.94rem;transition:color .15s}
.sem-nav-links a:hover,.sem-nav-links a.active{color:#0DBAB1}
.sem-nav-cta{background:linear-gradient(135deg,#0DBAB1 0%,#08918A 100%);color:#fff !important;padding:10px 16px;border-radius:8px;font-weight:700 !important;box-shadow:0 4px 14px rgba(13,186,177,.28)}
.sem-nav-cta:hover{color:#fff !important;transform:translateY(-1px)}
.sem-mobile-toggle{display:none;background:none;border:0;width:32px;height:32px;flex-direction:column;justify-content:center;gap:5px;cursor:pointer;padding:0}
.sem-mobile-toggle span{width:24px;height:2px;background:#1E3A5F;display:block;margin:0 auto}

/* Hero */
.sem-hero{background:linear-gradient(135deg,#0f2847 0%,#1E3A5F 55%,#2d4a6f 100%);color:#fff;padding:80px 20px 60px;position:relative;overflow:hidden}
.sem-hero::before{content:'';position:absolute;top:-100px;right:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(13,186,177,.18) 0%,transparent 70%);border-radius:50%}
.sem-hero::after{content:'';position:absolute;bottom:-80px;left:-80px;width:300px;height:300px;background:radial-gradient(circle,rgba(255,217,61,.12) 0%,transparent 70%);border-radius:50%}
.sem-hero-inner{max-width:900px;margin:0 auto;position:relative;z-index:1}
.sem-breadcrumb{font-size:.85rem;color:#94A3B8;margin-bottom:20px}
.sem-breadcrumb a{color:#5EEAD4;text-decoration:none}
.sem-breadcrumb a:hover{text-decoration:underline}
.sem-breadcrumb .sep{margin:0 8px;color:#475569}
.sem-badge{display:inline-block;background:rgba(13,186,177,.18);color:#5EEAD4;padding:6px 14px;border-radius:20px;font-size:.8rem;font-weight:600;letter-spacing:.4px;margin-bottom:16px;border:1px solid rgba(94,234,212,.25)}
.sem-hero h1{font-family:'Merriweather',Georgia,serif;font-size:2.4rem;line-height:1.2;font-weight:900;margin:0 0 16px;color:#fff}
.sem-hero .lede{font-size:1.15rem;color:#CBD5E1;line-height:1.6;max-width:760px;margin:0}
.sem-hero .lede a{color:#5EEAD4;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.sem-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px;font-size:.9rem;color:#94A3B8}
.sem-meta b{color:#E2E8F0}
.sem-hero-cta{display:inline-block;margin-top:22px;background:linear-gradient(135deg,#0DBAB1 0%,#08918A 100%);color:#fff;padding:13px 24px;border-radius:10px;font-weight:700;text-decoration:none;box-shadow:0 6px 20px rgba(13,186,177,.4)}

/* Body */
.sem-body{max-width:820px;margin:0 auto;padding:60px 20px 40px;font-size:1.06rem;line-height:1.75;color:#1F2937}
.sem-body p{margin:0 0 22px}
.sem-body h2{font-family:'Merriweather',Georgia,serif;font-size:1.85rem;line-height:1.25;font-weight:800;margin:48px 0 18px;color:#1E3A5F}
.sem-body h3{font-size:1.35rem;font-weight:700;margin:32px 0 14px;color:#1E3A5F}
.sem-body a{color:#08918A;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.sem-body a:hover{color:#0DBAB1}
.sem-body ul,.sem-body ol{margin:0 0 24px 24px}
.sem-body li{margin-bottom:10px}
.sem-body strong{color:#1E3A5F}
.sem-body blockquote{border-left:4px solid #0DBAB1;background:#e6f9f8;padding:20px 24px;margin:28px 0;border-radius:0 10px 10px 0;font-style:italic;color:#08918A}
.sem-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:.95rem;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 8px rgba(30,58,95,.06)}
.sem-body th,.sem-body td{padding:12px 14px;border-bottom:1px solid #E5E7EB;text-align:left;vertical-align:top}
.sem-body th{background:linear-gradient(135deg,#1E3A5F,#2d4a6f);font-weight:700;color:#fff}
.sem-body tr:last-child td{border-bottom:0}
.sem-body tr:nth-child(even) td{background:#F8FAFC}
.sem-body code{background:#F1F5F9;padding:2px 6px;border-radius:4px;font-size:.9em;color:#0F172A;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

.sem-key-box{background:linear-gradient(135deg,#e6f9f8 0%,#a9f0d1 100%);border-left:5px solid #0DBAB1;padding:24px 28px;margin:32px 0;border-radius:0 12px 12px 0}
.sem-key-box h3{margin-top:0;color:#08918A}

.sem-callout{background:linear-gradient(135deg,#0f2847 0%,#1E3A5F 100%);color:#fff;padding:28px 32px;border-radius:14px;margin:36px 0;display:flex;flex-direction:column;gap:14px}
.sem-callout h3{color:#5EEAD4;margin:0;font-size:1.25rem}
.sem-callout p{color:#CBD5E1;margin:0}
.sem-callout .btn{align-self:flex-start;background:linear-gradient(135deg,#0DBAB1 0%,#08918A 100%);color:#fff;padding:13px 22px;border-radius:10px;font-weight:700;text-decoration:none;box-shadow:0 4px 14px rgba(13,186,177,.35)}

.sem-toc{background:#F5F7FA;border:1px solid #E5E7EB;border-radius:12px;padding:22px 26px;margin:0 0 40px}
.sem-toc h4{margin:0 0 12px;font-size:1rem;color:#1E3A5F;text-transform:uppercase;letter-spacing:.5px}
.sem-toc ol{margin:0 0 0 20px;padding:0}
.sem-toc li{margin-bottom:6px}
.sem-toc a{color:#08918A;text-decoration:none}
.sem-toc a:hover{text-decoration:underline}

.sem-related{background:#F5F7FA;padding:56px 20px}
.sem-related-inner{max-width:1000px;margin:0 auto}
.sem-related h2{font-size:1.6rem;font-weight:800;margin:0 0 24px;color:#1E3A5F;text-align:center}
.sem-related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.sem-related-card{background:#fff;padding:22px;border-radius:12px;box-shadow:0 4px 14px rgba(30,58,95,.06);transition:transform .15s,box-shadow .15s;text-decoration:none;display:block}
.sem-related-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(30,58,95,.1)}
.sem-related-card a,.sem-related-card{color:#1E3A5F;font-weight:600}
.sem-related-card p{color:#6B7280;font-size:.9rem;margin:8px 0 0;font-weight:400}

.sem-cta-final{background:linear-gradient(135deg,#0f2847 0%,#1E3A5F 100%);color:#fff;padding:64px 20px;text-align:center}
.sem-cta-final h2{color:#fff;font-size:1.9rem;margin:0 0 14px}
.sem-cta-final p{color:#CBD5E1;font-size:1.05rem;margin:0 auto 24px;max-width:640px}
.sem-cta-final .btn{background:linear-gradient(135deg,#0DBAB1 0%,#08918A 100%);color:#fff;padding:16px 30px;border-radius:12px;font-weight:700;text-decoration:none;display:inline-block;box-shadow:0 6px 20px rgba(13,186,177,.45)}

/* Stat grid */
.sem-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin:32px 0}
.sem-stat{background:#fff;border:1px solid #E5E7EB;border-radius:12px;padding:22px 20px;text-align:center;box-shadow:0 2px 8px rgba(30,58,95,.04)}
.sem-stat-num{font-family:'Merriweather',Georgia,serif;font-size:2.1rem;font-weight:900;background:linear-gradient(135deg,#0DBAB1,#08918A);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:8px}
.sem-stat-lbl{font-size:.88rem;color:#4B5563;line-height:1.4}

/* Pros / Cons */
.sem-pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:32px 0}
.sem-pros,.sem-cons{border-radius:12px;padding:24px;border:1px solid}
.sem-pros{background:#F0FDF4;border-color:#BBF7D0}
.sem-cons{background:#FEF2F2;border-color:#FECACA}
.sem-pros h4,.sem-cons h4{margin:0 0 14px;font-size:1.05rem;display:flex;align-items:center;gap:8px}
.sem-pros h4{color:#15803D}
.sem-cons h4{color:#B91C1C}
.sem-pros ul,.sem-cons ul{margin:0;padding:0;list-style:none}
.sem-pros li,.sem-cons li{position:relative;padding:6px 0 6px 26px;font-size:.95rem;line-height:1.5}
.sem-pros li::before{content:'\2713';position:absolute;left:0;top:6px;color:#16A34A;font-weight:700}
.sem-cons li::before{content:'\2717';position:absolute;left:0;top:6px;color:#DC2626;font-weight:700}

/* Checklist */
.sem-checklist{background:#F5F7FA;border:1px solid #E5E7EB;border-radius:14px;padding:26px 28px;margin:32px 0}
.sem-checklist h3{margin-top:0}
.sem-checklist ul{list-style:none;margin:0;padding:0}
.sem-checklist li{position:relative;padding:10px 0 10px 34px;border-bottom:1px dashed #E5E7EB;font-size:.98rem}
.sem-checklist li:last-child{border-bottom:0}
.sem-checklist li::before{content:'';position:absolute;left:0;top:12px;width:20px;height:20px;border:2px solid #0DBAB1;border-radius:5px;background:#fff}
.sem-checklist li::after{content:'\2713';position:absolute;left:5px;top:10px;color:#0DBAB1;font-weight:700;font-size:.95rem}

/* Timeline */
.sem-timeline{margin:36px 0;position:relative;padding-left:36px}
.sem-timeline::before{content:'';position:absolute;left:11px;top:8px;bottom:8px;width:2px;background:linear-gradient(#0DBAB1,#5EEAD4)}
.sem-timeline-step{position:relative;padding-bottom:26px}
.sem-timeline-step:last-child{padding-bottom:0}
.sem-timeline-step::before{content:'';position:absolute;left:-30px;top:6px;width:20px;height:20px;background:#fff;border:3px solid #0DBAB1;border-radius:50%}
.sem-timeline-step h4{margin:0 0 6px;font-size:1.1rem;color:#1E3A5F;font-weight:700}
.sem-timeline-step .sem-t-when{display:inline-block;font-size:.78rem;font-weight:600;color:#08918A;background:#a9f0d1;padding:2px 10px;border-radius:12px;margin-bottom:8px}
.sem-timeline-step p{margin:0;color:#4B5563}

/* Warning callout */
.sem-warning{background:#FFFBEB;border-left:5px solid #F59E0B;padding:20px 26px;margin:28px 0;border-radius:0 12px 12px 0}
.sem-warning strong{color:#92400E}
.sem-warning h4{margin:0 0 8px;color:#92400E;display:flex;align-items:center;gap:8px}
.sem-warning h4::before{content:'\26A0';font-size:1.2rem}

/* Info callout */
.sem-info{background:#EFF6FF;border-left:5px solid #3B82F6;padding:20px 26px;margin:28px 0;border-radius:0 12px 12px 0}
.sem-info h4{margin:0 0 8px;color:#1E40AF;display:flex;align-items:center;gap:8px}
.sem-info h4::before{content:'\24D8';font-size:1.2rem}

/* Pull quote */
.sem-quote{background:linear-gradient(135deg,#0f2847 0%,#1E3A5F 100%);color:#fff;padding:36px 40px;margin:36px 0;border-radius:16px;position:relative;overflow:hidden}
.sem-quote::before{content:'\201C';position:absolute;top:-20px;left:20px;font-size:8rem;color:#0DBAB1;opacity:.25;font-family:Georgia,serif;line-height:1}
.sem-quote p{color:#E2E8F0;font-size:1.15rem;font-style:italic;line-height:1.55;margin:0 0 14px;position:relative;z-index:1}
.sem-quote cite{display:block;color:#5EEAD4;font-size:.9rem;font-weight:600;font-style:normal}
.sem-quote cite span{color:#94A3B8;font-weight:400}

/* Compare cards */
.sem-compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin:32px 0}
.sem-compare-card{background:#fff;border:1px solid #E5E7EB;border-radius:14px;padding:26px 22px;position:relative;transition:transform .2s,box-shadow .2s}
.sem-compare-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(30,58,95,.08)}
.sem-compare-card.featured{border-color:#0DBAB1;background:linear-gradient(180deg,#e6f9f8 0%,#fff 60%)}
.sem-compare-card.featured::before{content:'\2605 Recomendado';position:absolute;top:-11px;right:16px;background:#0DBAB1;color:#fff;padding:3px 12px;border-radius:12px;font-size:.72rem;font-weight:700;letter-spacing:.3px}
.sem-compare-card h4{margin:0 0 10px;font-size:1.15rem;color:#1E3A5F}
.sem-compare-card .sem-price{font-family:'Merriweather',Georgia,serif;font-size:1.7rem;font-weight:900;color:#08918A;margin-bottom:12px;display:block}
.sem-compare-card ul{list-style:none;margin:0 0 16px;padding:0}
.sem-compare-card li{position:relative;padding:5px 0 5px 22px;font-size:.9rem;color:#4B5563}
.sem-compare-card li::before{content:'\2713';position:absolute;left:0;top:5px;color:#0DBAB1;font-weight:700}

/* Feature grid */
.sem-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin:32px 0}
.sem-feature{padding:22px;background:#fff;border:1px solid #E5E7EB;border-radius:12px}
.sem-feature-icon{width:44px;height:44px;background:linear-gradient(135deg,#0DBAB1,#08918A);color:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:700;margin-bottom:14px}
.sem-feature h4{margin:0 0 8px;font-size:1.05rem;color:#1E3A5F}
.sem-feature p{margin:0;font-size:.92rem;color:#4B5563;line-height:1.55}

/* Metric bar */
.sem-metric-bar{margin:18px 0}
.sem-metric-bar-lbl{display:flex;justify-content:space-between;font-size:.9rem;margin-bottom:6px;color:#4B5563}
.sem-metric-bar-lbl b{color:#1E3A5F}
.sem-metric-bar-track{background:#F1F5F9;border-radius:8px;height:14px;overflow:hidden;position:relative}
.sem-metric-bar-fill{background:linear-gradient(90deg,#0DBAB1,#5EEAD4);height:100%;border-radius:8px;transition:width .3s}

/* Chips */
.sem-chips{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.sem-chip{background:#e6f9f8;border:1px solid #a9f0d1;color:#08918A;padding:5px 12px;border-radius:20px;font-size:.82rem;font-weight:500}
.sem-chip.dark{background:#1E3A5F;border-color:#2d4a6f;color:#5EEAD4}
.sem-chip.accent{background:#FFF8E1;border-color:#FFE082;color:#8D6E0A}

/* Split */
.sem-split{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin:32px 0;align-items:start}
.sem-split-panel{background:#F5F7FA;padding:24px 26px;border-radius:12px;border:1px solid #E5E7EB}
.sem-split-panel h4{margin:0 0 10px;font-size:1.05rem;color:#1E3A5F}
.sem-split-panel p{margin:0;color:#4B5563;font-size:.95rem}

/* Numbered steps */
.sem-steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin:32px 0;counter-reset:s}
.sem-step-card{background:#fff;border:1px solid #E5E7EB;border-radius:12px;padding:24px 22px 22px;position:relative;counter-increment:s}
.sem-step-card::before{content:counter(s,decimal-leading-zero);position:absolute;top:-14px;left:22px;background:#1E3A5F;color:#5EEAD4;font-family:'Merriweather',Georgia,serif;font-weight:900;font-size:.95rem;padding:4px 10px;border-radius:6px}
.sem-step-card h4{margin:0 0 8px;font-size:1.05rem;color:#1E3A5F;padding-top:6px}
.sem-step-card p{margin:0;color:#4B5563;font-size:.92rem;line-height:1.55}

/* Verdict banner */
.sem-verdict{background:linear-gradient(90deg,#08918A,#0DBAB1);color:#fff;padding:22px 28px;border-radius:12px;margin:28px 0;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.sem-verdict-badge{background:rgba(255,255,255,.22);color:#fff;padding:6px 14px;border-radius:20px;font-size:.8rem;font-weight:700;letter-spacing:.4px;white-space:nowrap}
.sem-verdict p{margin:0;flex:1;min-width:220px;font-size:1rem;color:#fff}

/* Footer */
.sem-footer{background:#0a1628;color:#94A3B8;padding:56px 20px 24px;margin-top:64px}
.sem-footer-inner{max-width:1180px;margin:0 auto}
.sem-footer-grid{display:grid;grid-template-columns:2fr 1fr 1.1fr 1.3fr;gap:32px;padding-bottom:32px;border-bottom:1px solid #1E293B}
.sem-footer-logo img{filter:brightness(0) invert(1);height:34px}
.sem-footer h4{color:#fff;margin:0 0 14px;font-size:1rem;font-weight:700}
.sem-footer ul{list-style:none;margin:0;padding:0}
.sem-footer ul li{margin-bottom:8px}
.sem-footer ul a{color:#94A3B8;text-decoration:none;font-size:.92rem}
.sem-footer ul a:hover{color:#5EEAD4}
.sem-footer-cta{display:inline-block;background:linear-gradient(135deg,#0DBAB1,#08918A);color:#fff !important;padding:10px 18px;border-radius:8px;font-weight:600;text-decoration:none;font-size:.92rem}
.sem-footer-bottom{padding-top:20px;text-align:center;font-size:.85rem;color:#64748B}
.sem-footer-bottom p{margin:0}

.sem-scroll-top{position:fixed;bottom:24px;right:24px;width:44px;height:44px;background:linear-gradient(135deg,#0DBAB1,#08918A);color:#fff;border:0;border-radius:50%;box-shadow:0 6px 18px rgba(13,186,177,.4);cursor:pointer;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;display:flex;align-items:center;justify-content:center;z-index:80}
.sem-scroll-top.visible{opacity:1;pointer-events:auto}
.sem-scroll-top:hover{transform:translateY(-2px)}

@media(max-width:900px){
  .sem-nav-links{position:absolute;top:100%;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:16px;gap:12px;border:1px solid #E5E7EB;border-radius:0 0 12px 12px;box-shadow:0 8px 24px rgba(30,58,95,.1);display:none;min-width:220px}
  .sem-nav-links.active{display:flex}
  .sem-mobile-toggle{display:flex}
  .sem-footer-grid{grid-template-columns:1fr 1fr;gap:24px}
}
@media(max-width:700px){
  .sem-pros-cons{grid-template-columns:1fr}
  .sem-split{grid-template-columns:1fr;gap:16px}
  .sem-hero{padding:60px 16px 40px}
  .sem-hero h1{font-size:1.7rem}
  .sem-hero .lede{font-size:1rem}
  .sem-body{padding:40px 16px 30px;font-size:1rem}
  .sem-body h2{font-size:1.5rem}
  .sem-body h3{font-size:1.2rem}
  .sem-cta-final h2{font-size:1.5rem}
  .sem-footer-grid{grid-template-columns:1fr}
  .sem-quote{padding:28px 24px}
  .sem-body table{font-size:.85rem}
  .sem-body th,.sem-body td{padding:8px 10px}
}


/* 2026-08-24 — heading levels corrected in articles (h4 -> h3, TOC -> h2).
   Selectors below mirror the original h4 rules so the design is unchanged. */
.sem-toc h3 {margin:0 0 12px;font-size:1rem;color:#1E3A5F;text-transform:uppercase;letter-spacing:.5px}
.sem-toc h2 {margin:0 0 12px;font-size:1rem;color:#1E3A5F;text-transform:uppercase;letter-spacing:.5px}
.sem-pros h3, .sem-cons h3 {margin:0 0 14px;font-size:1.05rem;display:flex;align-items:center;gap:8px}
.sem-pros h3 {color:#15803D}
.sem-cons h3 {color:#B91C1C}
.sem-timeline-step h3 {margin:0 0 6px;font-size:1.1rem;color:#1E3A5F;font-weight:700}
.sem-warning h3 {margin:0 0 8px;color:#92400E;display:flex;align-items:center;gap:8px}
.sem-warning h3::before {content:'\26A0';font-size:1.2rem}
.sem-info h3 {margin:0 0 8px;color:#1E40AF;display:flex;align-items:center;gap:8px}
.sem-info h3::before {content:'\24D8';font-size:1.2rem}
.sem-compare-card h3 {margin:0 0 10px;font-size:1.15rem;color:#1E3A5F}
.sem-feature h3 {margin:0 0 8px;font-size:1.05rem;color:#1E3A5F}
.sem-split-panel h3 {margin:0 0 10px;font-size:1.05rem;color:#1E3A5F}
.sem-step-card h3 {margin:0 0 8px;font-size:1.05rem;color:#1E3A5F;padding-top:6px}
.sem-footer h3 {color:#fff;margin:0 0 14px;font-size:1rem;font-weight:700}
.sem-series-links{margin:28px 0 0;padding:14px 18px;background:rgba(0,0,0,.04);border-radius:10px;font-size:.95rem}


/* Explanatory figure inside the guide body (added 2026-08-24). */
.sem-body .nt-figure,
.nt-figure { margin: 2.2rem 0; padding: 0; }
.nt-figure img { display: block; width: 100%; height: auto; border: 1px solid rgba(148,163,184,.35); border-radius: 6px; }
.nt-figure figcaption { margin-top: .6rem; font-size: .9rem; line-height: 1.55; color: #64748B; }