/* ============================================================
   FLUX · Blog
   Hoja propia del blog. Reusa los tokens de marca del index.html
   (que tiene su CSS inline) para que el look sea el mismo.
   ============================================================ */
:root{
  --bg:#0a0a0c;
  --bg-2:#0e0e11;
  --bg-3:#141418;
  --ink:#f5f5f7;
  --muted:#9a9aa3;
  --dim:#5a5a63;
  --teal:#3ddccf;
  --coral:#ff6a4a;
  --purple:#9a52ff;
  --grad: linear-gradient(135deg, #3ddccf 0%, #ff6a4a 55%, #9a52ff 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Space Grotesk',system-ui,sans-serif;
  background:var(--bg);color:var(--ink);
  line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
body::before{
  content:'';position:fixed;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity:.55;pointer-events:none;z-index:1;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.mono{font-family:'JetBrains Mono',monospace}
.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ NAV ============ */
nav.top{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:18px 32px;display:flex;align-items:center;justify-content:space-between;
  backdrop-filter:blur(14px);background:rgba(10,10,12,.55);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.brand{display:flex;align-items:center;gap:12px;font-family:'Archivo Black',sans-serif;letter-spacing:2px;font-size:18px}
.brand img{width:36px;height:36px;border-radius:8px;object-fit:cover}
.nav-links{display:flex;gap:34px;font-size:13px;font-weight:500;letter-spacing:.5px;text-transform:uppercase}
.nav-links a{position:relative;color:var(--muted);transition:color .25s}
.nav-links a:hover,.nav-links a.on{color:var(--ink)}
.nav-links a::after{content:'';position:absolute;bottom:-6px;left:0;height:2px;width:0;background:var(--grad);transition:width .3s}
.nav-links a:hover::after,.nav-links a.on::after{width:100%}
.nav-cta{padding:10px 20px;border-radius:999px;background:var(--ink);color:#000;font-weight:600;font-size:13px;letter-spacing:.5px;transition:transform .2s}
.nav-cta:hover{transform:translateY(-2px)}
@media(max-width:900px){.nav-links{display:none}}

/* ============ BOTONES ============ */
.btn{
  padding:16px 30px;border-radius:999px;font-weight:600;font-size:14px;
  letter-spacing:1px;text-transform:uppercase;transition:all .25s;
  display:inline-flex;align-items:center;gap:10px;cursor:pointer;border:none;
}
.btn-primary{background:var(--grad);color:#0a0a0c;background-size:200% 200%}
.btn-primary:hover{background-position:100% 100%;transform:translateY(-2px);box-shadow:0 12px 40px rgba(255,106,74,.35)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid rgba(255,255,255,.18)}
.btn-ghost:hover{background:rgba(255,255,255,.05);transform:translateY(-2px)}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:3px;
  text-transform:uppercase;color:var(--teal);margin-bottom:22px;font-weight:500;
}
.eyebrow .num{padding:3px 10px;border-radius:4px;background:rgba(61,220,207,.1);border:1px solid rgba(61,220,207,.2)}

/* ============ HERO DEL ÍNDICE ============ */
.blog-hero{position:relative;z-index:2;padding:180px 32px 80px;text-align:center}
.blog-hero h1{
  font-family:'Archivo Black',sans-serif;
  font-size:clamp(40px,8vw,96px);line-height:.98;letter-spacing:-2px;margin-bottom:24px;
}
.blog-hero h1 .gradient{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.blog-hero p{color:var(--muted);font-size:19px;max-width:600px;margin:0 auto}

/* ============ GRID DE POSTS ============ */
.posts{position:relative;z-index:2;padding:20px 32px 140px}
.post-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
@media(max-width:980px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.post-grid{grid-template-columns:1fr}}
.post-card{
  background:var(--bg-3);border:1px solid rgba(255,255,255,.06);border-radius:18px;
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s cubic-bezier(.22,1,.36,1),border-color .3s,box-shadow .3s;
}
.post-card:hover{transform:translateY(-6px);border-color:rgba(61,220,207,.35);box-shadow:0 24px 60px rgba(0,0,0,.55)}
.post-card .cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.post-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.post-card:hover .cover img{transform:scale(1.05)}
.post-card .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-cat{
  font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:2px;text-transform:uppercase;
  color:var(--teal);
}
.post-card h2{font-family:'Archivo Black',sans-serif;font-size:22px;line-height:1.15;letter-spacing:-.5px}
.post-card p{color:var(--muted);font-size:15px;flex:1}
.post-card .read{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--coral)}

/* ============ ARTÍCULO ============ */
.article-hero{position:relative;z-index:2;padding:150px 32px 0}
.article-hero .inner{max-width:860px;margin:0 auto}
.article-hero h1{
  font-family:'Archivo Black',sans-serif;
  font-size:clamp(32px,5.4vw,62px);line-height:1.02;letter-spacing:-1.5px;margin-bottom:22px;
}
.article-hero h1 em{font-style:italic;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.article-meta{
  font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:1.5px;
  text-transform:uppercase;color:var(--dim);display:flex;gap:14px;flex-wrap:wrap;
}
.cover-img{max-width:1000px;margin:44px auto 0;position:relative;z-index:2;padding:0 32px}
.cover-img img{border-radius:18px;border:1px solid rgba(255,255,255,.07);width:100%;aspect-ratio:16/9;object-fit:cover}

.article{position:relative;z-index:2;max-width:760px;margin:0 auto;padding:56px 32px 120px}
.article .lead{font-size:21px;line-height:1.55;color:var(--ink);margin-bottom:28px}
.article p{color:var(--muted);font-size:17px;margin-bottom:20px}
.article strong{color:var(--ink);font-weight:600}
.article em{color:var(--ink)}
.article h2{
  font-family:'Archivo Black',sans-serif;font-size:clamp(26px,3.6vw,38px);
  line-height:1.08;letter-spacing:-1px;margin:56px 0 20px;
}
.article h2 .gradient{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.article h3{font-size:21px;font-weight:600;letter-spacing:-.3px;margin:34px 0 12px;color:var(--ink)}
.article ul,.article ol{margin:0 0 24px 22px;color:var(--muted);font-size:17px}
.article li{margin-bottom:11px}
.article a{color:var(--teal);border-bottom:1px solid rgba(61,220,207,.35)}
.article a:hover{color:var(--ink);border-color:var(--ink)}

.pull{
  margin:40px 0;padding:28px 30px;border-left:3px solid transparent;
  border-image:var(--grad) 1;background:var(--bg-3);border-radius:0 14px 14px 0;
  font-size:20px;line-height:1.45;color:var(--ink);
}
.factbox{margin:34px 0;background:var(--bg-3);border:1px solid rgba(255,255,255,.06);border-radius:16px;overflow:hidden}
.factbox table{width:100%;border-collapse:collapse;font-size:15px}
.factbox th,.factbox td{padding:13px 18px;text-align:left;border-bottom:1px solid rgba(255,255,255,.05)}
.factbox th{
  font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:1px;text-transform:uppercase;
  color:var(--teal);font-weight:500;width:38%;vertical-align:top;
}
.factbox td{color:var(--muted)}
.factbox tr:last-child th,.factbox tr:last-child td{border-bottom:none}
.factbox.cols th{width:auto;color:var(--dim)}

.weeks{display:grid;gap:14px;margin:30px 0}
.week{background:var(--bg-3);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:20px 22px}
.week h3{margin:0 0 8px;font-family:'JetBrains Mono',monospace;font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--coral)}
.week p{margin:0;font-size:16px}

.cta-box{
  margin:52px 0;padding:38px 34px;border-radius:20px;text-align:center;
  background:var(--bg-3);border:1px solid rgba(61,220,207,.22);
}
.cta-box h3{font-family:'Archivo Black',sans-serif;font-size:26px;letter-spacing:-.5px;margin-bottom:12px}
.cta-box p{margin-bottom:24px}

.faq details{
  background:var(--bg-3);border:1px solid rgba(255,255,255,.06);border-radius:14px;
  margin-bottom:12px;overflow:hidden;
}
.faq summary{
  padding:18px 22px;cursor:pointer;font-weight:600;font-size:17px;color:var(--ink);
  list-style:none;position:relative;padding-right:52px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--teal);font-size:22px;transition:transform .25s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding:0 22px 20px;margin:0;font-size:16px}

.article-nav{max-width:760px;margin:0 auto;padding:0 32px 90px;position:relative;z-index:2}
.article-nav a{font-family:'JetBrains Mono',monospace;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted)}
.article-nav a:hover{color:var(--teal)}

/* ============ FOOTER ============ */
footer{padding:80px 32px 40px;border-top:1px solid rgba(255,255,255,.05);position:relative;z-index:2;background:var(--bg-2)}
.foot-top{max-width:1200px;margin:0 auto 48px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
@media(max-width:800px){.foot-top{grid-template-columns:1fr 1fr}}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:16px;max-width:280px}
.foot-col h5{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--dim);margin-bottom:18px;font-family:'JetBrains Mono',monospace;font-weight:500}
.foot-col a{display:block;color:var(--muted);font-size:14px;margin-bottom:10px;transition:color .2s}
.foot-col a:hover{color:var(--ink)}
.foot-bottom{
  max-width:1200px;margin:0 auto;padding-top:32px;border-top:1px solid rgba(255,255,255,.05);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
  font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--dim);letter-spacing:.5px;
}