/* Blog de Klubase · estilos sin dependencias (mismo verde que www.klubase.com) */
:root{--g:#16a34a;--g7:#15803d;--g9:#14532d;--g1:#dcfce7;--g0:#f0fdf4;--ink:#111827;--ink2:#374151;--mut:#6b7280;--line:#e5e7eb;--bg:#fff;--soft:#f9fafb;--dark:#0b1220;--red:#dc2626;--amb:#b45309;--amb1:#fffbeb;--r:16px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}
img{max-width:100%;height:auto}
a{color:var(--g7)}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--g);color:#fff;font-weight:700;text-decoration:none;border-radius:12px;padding:13px 22px;border:0;cursor:pointer;font-size:16px;box-shadow:0 10px 24px -10px rgba(22,163,74,.6);transition:background .15s}
.btn:hover{background:var(--g7)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--g7);background:var(--g1);border-radius:999px;padding:6px 12px;margin:0 0 14px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{font-size:13px;font-weight:600;color:var(--ink2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px;text-decoration:none}
a.chip:hover{border-color:var(--g);color:var(--g7)}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:24px;height:64px}
.logo img{display:block;height:30px;width:auto}
.main-nav{display:flex;gap:22px;margin-left:auto}
.main-nav a{color:var(--ink2);text-decoration:none;font-size:15px;font-weight:500}
.main-nav a:hover,.main-nav a[aria-current]{color:var(--g7)}
@media(max-width:860px){.main-nav{display:none}.header-in .btn{margin-left:auto}}

/* hero */
.blog-hero,.post-hero{background:linear-gradient(180deg,var(--g0),#fff);border-bottom:1px solid var(--line);padding:56px 0 40px}
.blog-hero h1,.post-hero h1{font-size:clamp(30px,4.4vw,48px);line-height:1.12;letter-spacing:-.025em;margin:0 0 14px;font-weight:800;max-width:900px}
.lead{font-size:19px;color:var(--ink2);margin:0;max-width:760px}
.crumbs{font-size:14px;color:var(--mut);margin-bottom:18px}
.crumbs a{color:var(--mut);text-decoration:none}.crumbs a:hover{color:var(--g7)}
.byline{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:20px;font-size:14px;color:var(--mut)}

/* listado */
.list{padding:48px 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.card{border:1px solid var(--line);border-radius:var(--r);background:#fff;transition:box-shadow .15s,transform .15s}
.card:hover{box-shadow:0 18px 40px -24px rgba(0,0,0,.25);transform:translateY(-2px)}
.card-link{display:block;padding:24px;color:inherit;text-decoration:none;height:100%}
.card-cat{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--g7);margin:0 0 8px}
.card h3{font-size:20px;line-height:1.3;margin:0 0 10px;letter-spacing:-.01em}
.card-desc{color:var(--ink2);font-size:15px;margin:0 0 14px}
.card-meta{font-size:13px;color:var(--mut);margin:0}

/* artículo */
.post-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;padding:40px 20px 64px;align-items:start}
@media(max-width:1020px){.post-grid{grid-template-columns:1fr}.side{order:-1}}
.post{max-width:760px;min-width:0}
.post h2{font-size:30px;line-height:1.2;letter-spacing:-.02em;margin:48px 0 14px;scroll-margin-top:84px}
.post h3{font-size:22px;line-height:1.3;margin:32px 0 10px;scroll-margin-top:84px}
.post p,.post li{color:var(--ink2)}
.post li{margin:6px 0}
.post strong{color:var(--ink)}
.anchor{opacity:0;margin-left:-22px;width:22px;display:inline-block;color:var(--mut);text-decoration:none}
h2:hover .anchor,h3:hover .anchor{opacity:1}
.post figure{margin:28px 0}
.post figure img{border-radius:14px;border:1px solid var(--line);box-shadow:0 20px 50px -30px rgba(0,0,0,.35)}
.post figcaption{font-size:14px;color:var(--mut);margin-top:8px;text-align:center}
.table-wrap{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:14px}
.post table{border-collapse:collapse;width:100%;font-size:15px}
.post th,.post td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.post th{background:var(--soft);font-weight:700;color:var(--ink)}
.post tr:last-child td{border-bottom:0}
.post blockquote{margin:24px 0;padding:4px 0 4px 18px;border-left:4px solid var(--g);color:var(--ink2);font-style:italic}
.post code{background:var(--soft);padding:2px 6px;border-radius:6px;font-size:.9em}

.box{border-radius:var(--r);padding:20px 22px;margin:28px 0;border:1px solid var(--line);background:var(--soft)}
.box>*:last-child{margin-bottom:0}
.box-label{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin:0 0 8px;color:var(--mut)}
.box-respuesta{background:var(--g0);border-color:#bbf7d0;border-left:5px solid var(--g)}
.box-respuesta .box-label{color:var(--g7)}
.box-respuesta p{font-size:18px;color:var(--ink)}
.box-claves{background:#fff;border:2px solid var(--g1)}
.box-aviso{background:var(--amb1);border-color:#fde68a}.box-aviso .box-label{color:var(--amb)}
.box-ejemplo{background:#f8fafc;border-left:5px solid #94a3b8}

.paso{position:relative;padding-left:0;margin:30px 0}
.paso h3{display:flex;align-items:center;gap:12px;margin-top:0}
.paso-n{flex:none;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--g);color:#fff;font-size:17px;font-weight:800}

.cta-inline{margin:36px 0;padding:26px;border-radius:20px;background:var(--dark);color:#e5e7eb;background-image:radial-gradient(circle at 100% 0,rgba(34,197,94,.25),transparent 55%)}
.cta-inline p{color:#d1d5db}
.cta-inline .cta-title{color:#fff;font-size:22px;font-weight:800;margin:0 0 8px;letter-spacing:-.01em}
.cta-inline .btn{margin-top:6px}

.faq details{border:1px solid var(--line);border-radius:14px;padding:4px 18px;margin:10px 0;background:#fff}
.faq summary{cursor:pointer;font-weight:700;padding:12px 0;color:var(--ink);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--g7);font-weight:800}
.faq details[open] summary::after{content:"–"}
.author-box{margin-top:48px;padding:20px 22px;border-radius:var(--r);background:var(--soft);border:1px solid var(--line)}
.author-box p{margin:4px 0;font-size:15px}

.side{position:sticky;top:88px;display:flex;flex-direction:column;gap:18px}
@media(max-width:1020px){.side{position:static}}
.toc{border:1px solid var(--line);border-radius:var(--r);padding:18px 20px}
.toc-title,.side-cta-title{font-weight:800;margin:0 0 10px;font-size:15px}
.toc ol{margin:0;padding-left:18px;font-size:14px}
.toc li{margin:7px 0}
.toc a{color:var(--ink2);text-decoration:none}.toc a:hover{color:var(--g7)}
.side-cta{border-radius:var(--r);padding:20px;background:var(--g0);border:1px solid #bbf7d0}
.side-cta p{font-size:14px;color:var(--ink2);margin:0 0 14px}
@media(max-width:1020px){.side-cta{display:none}}

.related{background:var(--soft);border-top:1px solid var(--line);padding:48px 0}
.related h2{margin:0 0 20px;font-size:26px}

/* demo */
.demo{background:var(--dark);color:#fff;padding:64px 0;background-image:radial-gradient(circle at 0 100%,rgba(34,197,94,.22),transparent 50%)}
.demo-in{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
@media(max-width:900px){.demo-in{grid-template-columns:1fr}}
.demo .eyebrow{background:rgba(74,222,128,.12);color:#86efac}
.demo h2{font-size:clamp(28px,3.4vw,40px);line-height:1.15;margin:0 0 14px;letter-spacing:-.02em}
.demo-copy p{color:#cbd5e1;font-size:18px}
.demo-points{list-style:none;padding:0;margin:20px 0 0}
.demo-points li{padding-left:28px;position:relative;margin:10px 0;color:#e2e8f0}
.demo-points li::before{content:"✓";position:absolute;left:0;color:#4ade80;font-weight:800}
.demo-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:26px;display:flex;flex-direction:column;gap:12px}
.form-title{font-weight:800;font-size:20px;margin:0 0 4px}
.demo-form label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:#cbd5e1;font-weight:600}
.demo-form input,.demo-form textarea{font:inherit;font-size:16px;padding:12px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff}
.demo-form input::placeholder,.demo-form textarea::placeholder{color:#94a3b8}
.demo-form input:focus,.demo-form textarea:focus{outline:2px solid #4ade80;outline-offset:1px}
.form-msg{min-height:1em;color:#fca5a5;font-size:14px;margin:0}
.form-msg a,.form-legal a{color:#86efac}
.form-ok{color:#86efac;font-weight:700;font-size:18px}
.form-legal{font-size:12px;color:#94a3b8;margin:0}

/* footer */
.site-footer{background:#05080f;color:#9ca3af;padding:48px 0 24px;font-size:14px}
.footer-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
@media(max-width:760px){.footer-in{grid-template-columns:1fr}}
.site-footer img{height:28px;width:auto}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:7px 0}
.site-footer a{color:#9ca3af;text-decoration:none}.site-footer a:hover{color:#fff}
.f-title{color:#fff;font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:12px}
.copy{margin-top:32px;border-top:1px solid #1f2937;padding-top:18px}

.sticky-cta{display:none}
@media(max-width:760px){.sticky-cta{display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:30;text-align:center;background:var(--g);color:#fff;font-weight:800;padding:14px;border-radius:14px;text-decoration:none;box-shadow:0 12px 30px -10px rgba(0,0,0,.45)}body{padding-bottom:72px}}
.sources ul{font-size:15px}.disclaimer{font-size:14px;color:var(--mut);font-style:italic}
@media(max-width:760px){.header-in .btn{display:none}}