/* samuel76.com - sitio publico
   Azules + blanco/negro, tipografia thin. Un solo mundo visual, oscuro. */

:root{
  --ground:#0B1119;
  --surface:#101925;
  --surface-2:#16212F;
  --line:#1E2C3E;
  --line-soft:#17222F;
  --text:#DFE8F3;
  --text-dim:#93A4B8;
  --text-faint:#61748A;
  --blue:#2F6BFF;
  --blue-soft:#5B8CFF;
  --glow:#4FD8E8;
  --r:12px;
  --col:min(720px, 100% - 44px);
  color-scheme:dark;
}

*{box-sizing:border-box}

html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
}

body{
  margin:0;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:
    radial-gradient(1200px 640px at 50% -10%, rgba(47,107,255,.15), transparent 60%),
    radial-gradient(760px 420px at 88% 6%, rgba(79,216,232,.06), transparent 62%),
    var(--ground);
  color:var(--text);
  font:400 17px/1.68 "IBM Plex Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
}

main{flex:1;display:flex;flex-direction:column}

/* el ancho de lectura lo define una sola variable, no un margen por bloque */
main > *{width:var(--col);margin-inline:auto}

a{color:inherit}
img{max-width:100%;height:auto;display:block}

.skip{
  position:absolute;left:-9999px;top:0;background:var(--blue);color:#fff;
  padding:10px 16px;border-radius:0 0 8px 0;z-index:99;text-decoration:none;
}
.skip:focus{left:0}

:focus-visible{outline:2px solid var(--blue-soft);outline-offset:3px;border-radius:4px}

/* ---------------------------------------------------------- cabecera */

.top{
  width:var(--col);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;
  border-bottom:1px solid var(--line-soft);
}
.brand{
  font-family:"Outfit",sans-serif;font-weight:300;font-size:19px;letter-spacing:.14em;
  text-decoration:none;color:var(--text);
}
.brand span{color:var(--blue-soft);font-weight:400}
.topnav{display:flex;gap:22px;overflow-x:auto;scrollbar-width:none}
.topnav::-webkit-scrollbar{display:none}
.topnav a{
  color:var(--text-faint);text-decoration:none;font-size:14px;white-space:nowrap;
  padding:3px 0;border-bottom:1px solid transparent;transition:color .15s,border-color .15s;
}
.topnav a:hover{color:var(--text)}
.topnav a[aria-current="page"]{color:var(--text);border-bottom-color:var(--blue)}

/* ---------------------------------------------------------- portada */

.hero{padding:76px 0 8px}
.kicker{
  font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--blue-soft);margin:0 0 20px;font-weight:500;
}
.hero h1{
  font-family:"Outfit",sans-serif;font-weight:200;
  font-size:clamp(46px,10vw,86px);line-height:1;letter-spacing:-.03em;
  margin:0 0 24px;text-wrap:balance;
}
.hero-bio{
  font-size:19px;line-height:1.62;color:var(--text-dim);font-weight:300;
  max-width:52ch;margin:0 0 34px;
}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:999px;text-decoration:none;
  border:1px solid var(--line);color:var(--text);font-size:15px;
  transition:border-color .15s,background .15s,transform .15s;
}
.btn:hover{border-color:var(--blue);transform:translateY(-1px)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:500}
.btn.primary:hover{background:var(--blue-soft);border-color:var(--blue-soft)}

/* franja "ahora" */
.strip{
  margin-top:56px;
  display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;
  padding:18px 22px;border-radius:var(--r);
  background:linear-gradient(90deg,rgba(47,107,255,.1),rgba(16,25,37,.45) 70%);
  border:1px solid var(--line-soft);
}
.strip-label{
  margin:0;font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--glow);font-weight:500;flex:none;
}
.strip-text{margin:0;font-size:15.5px;color:var(--text-dim);flex:1;min-width:200px}
.strip-more{
  margin-left:auto;font-size:13.5px;color:var(--blue-soft);text-decoration:none;
  white-space:nowrap;border-bottom:1px solid transparent;
}
.strip-more:hover{border-bottom-color:var(--blue-soft)}

/* ---------------------------------------------------------- bloques */

.block{padding:72px 0 0}
.block-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  margin-bottom:26px;padding-bottom:14px;border-bottom:1px solid var(--line-soft);
}
h2{
  font-family:"Outfit",sans-serif;font-weight:300;font-size:26px;
  letter-spacing:-.015em;margin:0;
}
.quiet{font-size:14px;color:var(--text-faint);text-decoration:none}
.quiet:hover{color:var(--blue-soft)}

.page-head{padding:64px 0 34px}
.page-head h1{
  font-family:"Outfit",sans-serif;font-weight:200;
  font-size:clamp(36px,7vw,58px);line-height:1.05;letter-spacing:-.025em;margin:0;
  text-wrap:balance;
}
.page-head p{color:var(--text-dim);font-size:17px;font-weight:300;margin:16px 0 0;max-width:54ch}
.page-head.center{text-align:center;padding-top:100px}
.page-head.center p{margin-inline:auto}
.page-head.center .hero-cta{justify-content:center;margin-top:28px}
.nota{font-size:14px !important;color:var(--text-faint) !important}

.empty{
  color:var(--text-faint);font-size:15.5px;padding:36px 0;
  border-top:1px solid var(--line-soft);
}

/* ---------------------------------------------------------- tarjetas */

.cards{display:flex;flex-direction:column;gap:1px;background:var(--line-soft);
  border-block:1px solid var(--line-soft)}
.card{background:var(--ground)}
.card-link{
  display:block;text-decoration:none;padding:26px 4px 28px;
  transition:background .16s,padding-left .16s;
}
.card-link:hover{background:var(--surface);padding-left:18px}
.card-link time{
  display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--text-faint);margin-bottom:10px;
}
.card-link h3{
  font-family:"Outfit",sans-serif;font-weight:300;font-size:25px;letter-spacing:-.015em;
  margin:0 0 10px;color:var(--text);text-wrap:balance;
}
.card-link p{margin:0;color:var(--text-dim);font-size:15.5px;font-weight:300;max-width:60ch}
.card-link .more{
  display:inline-flex;align-items:center;gap:7px;margin-top:16px;
  font-size:13.5px;color:var(--blue-soft);
}
.card-link .more i{
  width:16px;height:1px;background:currentColor;display:block;
  transition:width .16s;
}
.card-link:hover .more i{width:26px}

/* ---------------------------------------------------------- entrada */

.post{padding:64px 0 0}
.post-head time{
  display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--glow);margin-bottom:16px;
}
.post-head h1{
  font-family:"Outfit",sans-serif;font-weight:200;
  font-size:clamp(34px,6.4vw,54px);line-height:1.08;letter-spacing:-.025em;
  margin:0;text-wrap:balance;
}
.post-sub{
  font-size:19px;color:var(--text-dim);font-weight:300;line-height:1.55;
  margin:18px 0 0;max-width:56ch;
}
.post-cover{
  margin:38px 0 0;border-radius:var(--r);border:1px solid var(--line-soft);width:100%;
}

.prose{padding:34px 0 0;max-width:65ch}
.prose.narrow{max-width:62ch;padding-top:8px}
.prose > *:first-child{margin-top:0}
.prose p{margin:0 0 22px;color:#D3DEEB;font-weight:300;font-size:17.5px;line-height:1.78}
.prose h2,.prose h3,.prose h4,.prose h5{
  font-family:"Outfit",sans-serif;font-weight:400;letter-spacing:-.012em;
  margin:44px 0 14px;color:var(--text);text-wrap:balance;
}
.prose h2{font-size:28px}
.prose h3{font-size:22px}
.prose h4,.prose h5{font-size:18px}
.prose a{color:var(--blue-soft);text-decoration:none;border-bottom:1px solid rgba(91,140,255,.4)}
.prose a:hover{border-bottom-color:var(--blue-soft)}
.prose strong{font-weight:600;color:#F1F6FC}
.prose ul,.prose ol{margin:0 0 22px;padding-left:22px;color:#D3DEEB;font-weight:300}
.prose li{margin-bottom:8px;line-height:1.72}
.prose blockquote{
  margin:0 0 22px;padding:4px 0 4px 22px;border-left:2px solid var(--blue);
  color:var(--text-dim);font-style:italic;font-weight:300;
}
.prose img{border-radius:var(--r);margin:0 0 22px;border:1px solid var(--line-soft)}
.prose code{
  font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.88em;background:rgba(47,107,255,.11);border:1px solid rgba(47,107,255,.2);
  padding:1px 6px;border-radius:5px;color:var(--blue-soft);
}
.prose hr{border:0;border-top:1px solid var(--line);margin:40px 0}

.post-nav{
  display:flex;justify-content:space-between;gap:20px;
  margin-top:64px;padding-top:26px;border-top:1px solid var(--line-soft);
}
.post-nav a{
  text-decoration:none;color:var(--text-dim);font-size:15px;max-width:44%;
  transition:color .15s;
}
.post-nav a:hover{color:var(--text)}
.post-nav a.next{text-align:right}
.post-nav span{
  display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-faint);margin-bottom:5px;
}

/* ---------------------------------------------------------- pie */

.foot{
  width:var(--col);margin:88px auto 0;padding:22px 0 40px;
  border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:16px;
  font-size:12.5px;color:var(--text-faint);letter-spacing:.04em;
}

@media(max-width:600px){
  body{font-size:16px}
  .hero{padding-top:52px}
  .strip{flex-direction:column;align-items:flex-start;gap:8px}
  .strip-more{margin-left:0}
  .card-link:hover{padding-left:4px}
  .post-nav{flex-direction:column;gap:24px}
  .post-nav a{max-width:100%}
  .post-nav a.next{text-align:left}
}