/* ===== feniux · estilos compartidos =====
   Cambiá un color o una fuente acá y se actualiza todo el sitio.
   Usalo enlazando <link rel="stylesheet" href="estilos.css"> en cada página. */

:root{
  --bg:#EEF0F5;
  --surface:#FFFFFF;
  --ink:#141B2A;
  --ink-soft:#5A6478;
  --ink-faint:#8A93A6;
  --line:#E2E5ED;
  --brand:#4B3BE8;
  --brand-soft:#ECEAFD;
  --pos:#0E8F62;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
[id]{scroll-margin-top:84px}
body{
  background:var(--bg);color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;line-height:1.6;font-size:15px;
}
.wrap{max-width:720px;margin:0 auto;padding:0 18px}
.wrap-wide{max-width:920px}

/* ---- nav ---- */
.nav{border-bottom:1px solid var(--line);background:var(--surface);position:sticky;top:0;z-index:50}
.nav-inner{max-width:920px;margin:0 auto;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brand{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:19px;letter-spacing:-.02em;color:var(--ink);text-decoration:none}
.brand span{color:var(--brand)}
.nav-links{display:flex;gap:20px;flex-wrap:wrap}
.nav-links a{color:var(--ink-soft);text-decoration:none;font-size:14px;font-weight:500}
.nav-links a:hover{color:var(--brand)}

/* ---- generic blocks ---- */
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);font-weight:500;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand)}
h1{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:clamp(28px,6vw,42px);line-height:1.06;letter-spacing:-.025em;margin-bottom:14px}
h2{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:22px;margin:32px 0 11px;letter-spacing:-.01em}
h3{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:17px;margin:22px 0 7px}
p{color:var(--ink-soft);margin-bottom:14px}
p strong{color:var(--ink)}
a{color:var(--brand)}
ul,ol{margin:6px 0 16px 22px;color:var(--ink-soft)}
li{margin-bottom:8px}

/* ---- hero (home) ---- */
.hero{padding:54px 0 32px}
.hero .lede{font-size:18px;color:var(--ink-soft);max-width:56ch;margin-bottom:24px}
.cta{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;font-weight:600;font-size:15px;padding:13px 22px;border-radius:11px;transition:opacity .15s}
.cta:hover{opacity:.9}
.cta-ghost{display:inline-block;color:var(--brand);text-decoration:none;font-weight:600;font-size:15px;padding:13px 14px}

/* ---- cards ---- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-decoration:none;color:inherit;display:block;transition:border-color .15s,transform .15s}
a.card:hover{border-color:var(--brand);transform:translateY(-2px)}
.card-tag{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);font-weight:500}
.card h3{margin:8px 0 6px}
.card p{font-size:14px;margin:0}
.grid{display:grid;gap:16px;margin-top:18px}
@media(min-width:620px){.grid-2{grid-template-columns:1fr 1fr}}

.tool-card{background:var(--ink);color:#fff;border-radius:var(--radius);padding:28px;margin-top:26px}
.tool-card .card-tag{color:#9AA3FF}
.tool-card h3{color:#fff;font-size:21px;margin:10px 0 8px}
.tool-card p{color:#AEB6C8;font-size:15px;margin-bottom:18px;max-width:52ch}
.tool-card .cta{background:#fff;color:var(--ink)}

/* ---- article ---- */
.byline{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--ink-faint);margin-bottom:26px}
.article .lede{font-size:17px;color:var(--ink);max-width:56ch;margin-bottom:8px}
.callout{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:10px;padding:16px 18px;margin:22px 0}
.callout p{margin:0;color:var(--ink)}
.callout strong{color:var(--brand)}
.tool-inline{background:var(--brand-soft);border-radius:12px;padding:18px 20px;margin:26px 0;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.tool-inline span{font-weight:600;color:var(--ink);font-size:15px}
.tool-inline a{background:var(--brand);color:#fff;text-decoration:none;font-weight:600;font-size:14px;padding:11px 18px;border-radius:10px;white-space:nowrap}

/* ---- footer ---- */
footer{border-top:1px solid var(--line);margin-top:48px;background:var(--surface)}
.foot-inner{max-width:920px;margin:0 auto;padding:28px 18px 40px}
.foot-brand{font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--ink);font-size:16px;margin-bottom:10px}
.foot-links{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:14px}
.foot-links a{color:var(--ink-soft);text-decoration:none;font-size:13.5px}
.foot-links a:hover{color:var(--brand)}
.disclaim{font-size:12px;color:var(--ink-faint);line-height:1.7;max-width:70ch}

/* ---- placeholders a completar ---- */
.ph{background:#FFF6E5;border:1px dashed #E0B65C;border-radius:6px;padding:1px 6px;font-family:'IBM Plex Mono',monospace;font-size:.9em;color:#8A6A1E}

.section{padding:14px 0}
.mt-pad{padding-top:40px}

/* ---- móvil ---- */
@media (max-width:560px){
  .nav-inner{flex-direction:column;align-items:flex-start;gap:11px;padding:13px 18px}
  .nav-links{width:100%;gap:14px 20px}
  .nav-links a{font-size:14.5px}
  .hero{padding:34px 0 22px}
  .hero .lede{font-size:16px}
  .cta,.hero .cta-ghost{display:block;width:100%;text-align:center;margin:0 0 10px}
  .tool-card{padding:22px}
  .card{padding:18px}
  .mt-pad{padding-top:30px}
  .tool-inline{flex-direction:column;align-items:stretch}
  .tool-inline a{width:100%;text-align:center}
  h2{font-size:20px}
}
/* evita desbordes horizontales de bloques anchos (fórmulas, código) */
.article p[style*="monospace"]{overflow-x:auto}

/* ---- subtítulos de categoría (home) ---- */
.cluster{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:14px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.04em;margin:30px 0 14px}