/* =============================================
   PLATINIUMHOST KB — Stylesheet
   ============================================= */
:root{
  --kb-primary:#1e3a8a;
  --kb-accent:#7c3aed;
  --kb-text:#1f2937;
  --kb-bg:#f8fafc;
  --kb-card:#ffffff;
  --kb-border:#e2e8f0;
  --kb-muted:#64748b;
  --kb-radius:10px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  color:var(--kb-text);
  background:var(--kb-bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--kb-primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--kb-accent)}
img{max-width:100%;height:auto;display:block}

.kb-container{max-width:1200px;margin:0 auto;padding:0 24px}

/* HEADER */
.kb-header{background:#fff;border-bottom:1px solid var(--kb-border);position:sticky;top:0;z-index:100}
.kb-topbar{background:linear-gradient(135deg,var(--kb-primary) 0%,var(--kb-accent) 100%);color:#fff;font-size:14px}
.kb-topbar-inner{display:flex;justify-content:space-between;align-items:center;padding:8px 24px}
.kb-topbar a,.kb-topbar-link{color:#fff !important}
.kb-topbar-right{display:flex;gap:24px;align-items:center}

.kb-lang-dropdown{position:relative}
.kb-lang-btn{background:none;border:0;color:#fff;cursor:pointer;font-size:14px;padding:4px 8px}
.kb-lang-menu{display:none;position:absolute;top:100%;right:0;background:#fff;color:#000;list-style:none;padding:8px 0;border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.15);min-width:140px;z-index:1000}
.kb-lang-dropdown:hover .kb-lang-menu,.kb-lang-dropdown:focus-within .kb-lang-menu{display:block}
.kb-lang-menu li a{display:block;padding:8px 16px;color:var(--kb-text)}
.kb-lang-menu li a:hover{background:var(--kb-bg)}

.kb-mainnav-inner{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;gap:32px}
.kb-logo img{height:48px;width:auto}
.kb-nav-links{display:flex;gap:32px;list-style:none}
.kb-nav-links a{color:var(--kb-text);font-weight:500}
.kb-nav-links a.active{color:var(--kb-primary);border-bottom:2px solid var(--kb-primary);padding-bottom:4px}
.kb-cta{background:var(--kb-primary);color:#fff !important;padding:10px 22px;border-radius:6px;font-weight:600;white-space:nowrap}
.kb-cta:hover{background:var(--kb-accent);color:#fff !important}

/* MAIN */
.kb-main{min-height:60vh;padding:32px 0}

/* HERO */
.kb-hero{
  background:linear-gradient(135deg,var(--kb-primary) 0%,var(--kb-accent) 100%);
  color:#fff;padding:64px 24px;text-align:center;border-radius:12px;margin-bottom:48px;
  box-shadow:0 12px 40px rgba(30,58,138,.18);
}
.kb-hero h1{font-size:2.5rem;margin-bottom:12px;font-weight:800}
.kb-hero p{font-size:1.15rem;opacity:.95;margin-bottom:32px}
.kb-search{display:flex;max-width:600px;margin:0 auto;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.12)}
.kb-search input{flex:1;border:0;padding:14px 20px;font-size:16px;outline:none;color:var(--kb-text)}
.kb-search button{background:var(--kb-primary);color:#fff;border:0;padding:14px 28px;font-size:16px;font-weight:600;cursor:pointer}
.kb-search button:hover{background:var(--kb-accent)}

/* SECTIONS */
h2{margin:32px 0 24px;font-size:1.75rem;color:var(--kb-text);font-weight:700}

/* CATEGORY GRID */
.kb-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.kb-card{
  background:var(--kb-card);padding:28px;border-radius:var(--kb-radius);
  border:1px solid var(--kb-border);border-left:4px solid var(--kb-primary);
  transition:all .25s;display:block;color:var(--kb-text) !important;
}
.kb-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(30,58,138,.14);border-left-color:var(--kb-accent)}
.kb-card-icon{font-size:2rem;display:block;margin-bottom:12px}
.kb-card h3{margin-bottom:8px;color:var(--kb-primary);font-size:1.15rem}
.kb-card p{color:var(--kb-muted);font-size:.95rem}

/* BREADCRUMB */
.kb-breadcrumb{margin:16px 0 24px;font-size:.9rem;color:var(--kb-muted)}
.kb-breadcrumb a{color:var(--kb-primary)}

/* ARTICLES LIST */
.kb-articles{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.kb-article-link{
  background:var(--kb-card);padding:22px 24px;border-radius:8px;
  border:1px solid var(--kb-border);transition:all .2s;display:block;color:var(--kb-text) !important;
}
.kb-article-link:hover{border-color:var(--kb-primary);box-shadow:0 4px 14px rgba(30,58,138,.10);transform:translateX(4px)}
.kb-article-link h3{color:var(--kb-primary);margin-bottom:6px;font-size:1.1rem}
.kb-article-link p{color:var(--kb-muted);margin-bottom:8px}
.kb-article-link .kb-article-meta{font-size:.82rem;color:var(--kb-muted)}

/* ARTICLE */
.kb-article{
  background:var(--kb-card);padding:48px;border-radius:12px;
  border:1px solid var(--kb-border);max-width:840px;margin:0 auto;
}
.kb-article h1{color:var(--kb-primary);font-size:2.1rem;margin-bottom:16px;line-height:1.3}
.kb-article-meta{color:var(--kb-muted);font-size:.9rem;padding-bottom:20px;border-bottom:1px solid var(--kb-border);margin-bottom:32px}
.kb-article-content{font-size:1.05rem;line-height:1.8}
.kb-article-content h2{color:var(--kb-primary);font-size:1.4rem;margin:32px 0 14px}
.kb-article-content h3{color:var(--kb-text);margin:24px 0 12px;font-size:1.15rem}
.kb-article-content p{margin-bottom:16px}
.kb-article-content ul,.kb-article-content ol{margin:0 0 16px 28px}
.kb-article-content li{margin-bottom:6px}
.kb-article-content code{background:#f1f5f9;padding:2px 8px;border-radius:4px;font-family:'SF Mono',Menlo,Consolas,monospace;font-size:.9em;color:var(--kb-accent)}
.kb-article-content pre{background:#0f172a;color:#e2e8f0;padding:18px;border-radius:8px;overflow-x:auto;margin:18px 0;font-size:.9em}
.kb-article-content pre code{background:transparent;color:inherit;padding:0}
.kb-article-content a{color:var(--kb-primary);text-decoration:underline}

/* ALERTS (compatibles con tu HTML actual) */
.kb-alert{padding:16px 20px;border-radius:8px;margin:18px 0;border-left:4px solid}
.kb-alert-info{background:#eff6ff;border-color:#3b82f6;color:#1e40af}
.kb-alert-warning{background:#fef3c7;border-color:#f59e0b;color:#92400e}
.kb-code-block{background:#f1f5f9;padding:16px;border-radius:8px;font-family:'SF Mono',Menlo,monospace;font-size:.9em;margin:16px 0;white-space:pre-wrap}

/* EMPTY STATE */
.kb-empty{text-align:center;padding:60px 24px;color:var(--kb-muted)}
.kb-empty h1{color:var(--kb-text);margin-bottom:16px}

/* FOOTER */
.kb-footer{background:#0f172a;color:#cbd5e1;padding:48px 0 24px;margin-top:80px}
.kb-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:32px}
.kb-footer-col img{margin-bottom:16px}
.kb-footer-col p{color:#94a3b8;font-size:.92rem;margin-bottom:16px}
.kb-footer-col h4{color:#fff;margin-bottom:14px;font-size:1.05rem}
.kb-footer-col ul{list-style:none}
.kb-footer-col ul li{margin-bottom:8px}
.kb-footer-col a{color:#94a3b8;font-size:.92rem}
.kb-footer-col a:hover{color:#fff}
.kb-payments{display:flex;flex-wrap:wrap;gap:8px;list-style:none}
.kb-payments li img{height:24px;width:auto;background:#fff;padding:3px;border-radius:4px}
.kb-footer-bottom{border-top:1px solid #1e293b;padding-top:20px;font-size:.82rem;color:#64748b;text-align:center}

/* RESPONSIVE */
@media (max-width:768px){
  .kb-nav-links{display:none}
  .kb-cta{padding:8px 16px;font-size:.9rem}
  .kb-hero{padding:40px 20px}
  .kb-hero h1{font-size:1.85rem}
  .kb-hero p{font-size:1rem}
  .kb-grid{grid-template-columns:1fr}
  .kb-article{padding:24px}
  .kb-article h1{font-size:1.5rem}
  .kb-footer-grid{grid-template-columns:1fr;gap:32px}
  .kb-topbar-right{gap:12px;font-size:.82rem}
}