/* ============================================================
   NULL-101 — hoja de estilos
   Editá lo que quieras. No hay que correr nada después.
   ============================================================ */

/* ---------- tipografías, servidas desde este mismo dominio ---------- */
@font-face{
  font-family:'IBM Plex Mono';
  font-style:normal;
  font-weight:400;
  font-display:swap;
  src:url(fonts/ibm-plex-mono-400-latin-ext.woff2) format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:'IBM Plex Mono';
  font-style:normal;
  font-weight:400;
  font-display:swap;
  src:url(fonts/ibm-plex-mono-400-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'IBM Plex Mono';
  font-style:normal;
  font-weight:500;
  font-display:swap;
  src:url(fonts/ibm-plex-mono-500-latin-ext.woff2) format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:'IBM Plex Mono';
  font-style:normal;
  font-weight:500;
  font-display:swap;
  src:url(fonts/ibm-plex-mono-500-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'IBM Plex Sans';
  font-style:normal;
  font-weight:400;
  font-display:swap;
  src:url(fonts/ibm-plex-sans-400-latin-ext.woff2) format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:'IBM Plex Sans';
  font-style:normal;
  font-weight:400;
  font-display:swap;
  src:url(fonts/ibm-plex-sans-400-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'IBM Plex Sans';
  font-style:normal;
  font-weight:500;
  font-display:swap;
  src:url(fonts/ibm-plex-sans-500-latin-ext.woff2) format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:'IBM Plex Sans';
  font-style:normal;
  font-weight:500;
  font-display:swap;
  src:url(fonts/ibm-plex-sans-500-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Spectral';
  font-style:normal;
  font-weight:300;
  font-display:swap;
  src:url(fonts/spectral-300-latin-ext.woff2) format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:'Spectral';
  font-style:normal;
  font-weight:300;
  font-display:swap;
  src:url(fonts/spectral-300-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Spectral';
  font-style:italic;
  font-weight:300;
  font-display:swap;
  src:url(fonts/spectral-300-italic-latin-ext.woff2) format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:'Spectral';
  font-style:italic;
  font-weight:300;
  font-display:swap;
  src:url(fonts/spectral-300-italic-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Spectral';
  font-style:normal;
  font-weight:400;
  font-display:swap;
  src:url(fonts/spectral-400-latin-ext.woff2) format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:'Spectral';
  font-style:normal;
  font-weight:400;
  font-display:swap;
  src:url(fonts/spectral-400-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

/* ---------- diseño ---------- */
:root{
  --void:#08090A;
  --panel:#101214;
  --line:#22262A;
  --bone:#E6E4DF;
  --ash:#8B8F94;
  --brass:#B08D4F;
  --measure:1180px;
  --rule:1px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--void);
  color:var(--bone);
  font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.65;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px}

/* ---------- utilidades tipográficas ---------- */
.mono{
  font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.6875rem;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
}
.serif{font-family:Spectral,Georgia,"Times New Roman",serif;font-weight:300}
.ash{color:var(--ash)}

/* ---------- envoltura + filete de margen (firma) ---------- */
.wrap{
  max-width:var(--measure);
  margin:0 auto;
  padding:0 28px 0 28px;
  position:relative;
}

/* ---------- barra superior ---------- */
.progress{
  position:absolute;
  left:0;bottom:-1px;
  height:1px;
  width:0;
  background:var(--brass);
  opacity:.7;
  z-index:21;
}
.top{
  position:sticky;top:0;z-index:20;
  background:rgba(8,9,10,.86);
  backdrop-filter:blur(10px);
  border-bottom:var(--rule) solid var(--line);
}
.top .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:74px;
}
.mark{display:flex;align-items:baseline;gap:10px}
.mark b{
  font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-weight:500;
  font-size:1.05rem;
  letter-spacing:.1em;
}
.mark span{color:var(--brass);font-size:.625rem;letter-spacing:.22em}
.nav{display:flex;gap:30px;align-items:center}
.nav a{
  font-size:.8125rem;
  color:var(--ash);
  transition:color .2s ease;
  padding:6px 0;
}
.nav a:hover{color:var(--bone)}
.nav .cta{
  color:var(--bone);
  border:var(--rule) solid var(--line);
  padding:9px 18px;
  transition:border-color .25s ease,color .25s ease;
}
.nav .cta:hover{border-color:var(--brass);color:var(--brass)}
.burger{display:none;background:none;border:0;color:var(--bone);cursor:pointer;padding:8px}

/* ---------- portada ---------- */
.hero{padding:120px 0 96px;position:relative}
.hero .eyebrow{color:var(--brass);margin-bottom:34px;display:block}
.hero h1{
  font-family:Spectral,Georgia,serif;
  font-weight:300;
  font-size:clamp(2.4rem,5.4vw,4.15rem);
  line-height:1.08;
  letter-spacing:-.015em;
  max-width:17ch;
}
.hero h1 i{color:var(--brass);font-style:italic;font-weight:300}
.hero .lede{
  margin-top:34px;
  max-width:56ch;
  color:var(--ash);
  font-size:1.0625rem;
}
.hero .acts{display:flex;gap:14px;margin-top:44px;flex-wrap:wrap}
.btn{
  padding:13px 26px;
  border:var(--rule) solid var(--line);
  font-size:.8125rem;
  transition:background .25s ease,color .25s ease,border-color .25s ease;
}
.btn.solid{background:var(--bone);color:var(--void);border-color:var(--bone)}
.btn.solid:hover{background:var(--brass);border-color:var(--brass);color:var(--void)}
.btn.ghost:hover{border-color:var(--brass);color:var(--brass)}

/* cifras al pie de la portada */
.figures{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  margin-top:88px;
  background:var(--line);
  border:var(--rule) solid var(--line);
}
.fig{background:var(--void);padding:26px 22px}
.fig b{
  display:block;
  font-family:Spectral,Georgia,serif;
  font-weight:300;
  font-size:2rem;
  line-height:1;
  margin-bottom:10px;
}
.fig p{font-size:.75rem;color:var(--ash);line-height:1.5}

/* ---------- rótulo de sección colgado del filete ---------- */
.sec{padding:96px 0;border-top:var(--rule) solid var(--line)}
.sec-head{margin-bottom:56px;max-width:62ch}
.sec-head .tag{color:var(--brass);display:block;margin-bottom:20px}
.sec-head h2{
  font-family:Spectral,Georgia,serif;
  font-weight:300;
  font-size:clamp(1.7rem,3.1vw,2.4rem);
  line-height:1.18;
  letter-spacing:-.01em;
}
.sec-head p{margin-top:20px;color:var(--ash);font-size:1rem}

/* ---------- servicios ---------- */
.grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:var(--rule) solid var(--line);
}
.card{
  background:var(--void);
  padding:38px 32px 42px;
  position:relative;
  transition:background .3s ease;
  min-height:290px;
  display:flex;
  flex-direction:column;
}
.card:hover{background:var(--panel)}
.card .code{color:var(--brass);opacity:.75;margin-bottom:22px}
.card h3{
  font-family:Spectral,Georgia,serif;
  font-weight:400;
  font-size:1.25rem;
  line-height:1.3;
  margin-bottom:14px;
}
.card p{color:var(--ash);font-size:.875rem;line-height:1.7;flex:1}
.card .more{
  margin-top:26px;
  font-size:.75rem;
  color:var(--ash);
  border-bottom:var(--rule) solid transparent;
  align-self:flex-start;
  transition:color .25s ease,border-color .25s ease;
}
.card:hover .more{color:var(--brass);border-color:var(--brass)}

/* ---------- método ---------- */
.method{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}
.steps{border-top:var(--rule) solid var(--line)}
.step{
  border-bottom:var(--rule) solid var(--line);
  padding:26px 0 26px 26px;
  position:relative;
}
.step::before{
  content:"";
  position:absolute;
  left:0;top:34px;
  width:12px;height:var(--rule);
  background:var(--brass);
}
.step h4{font-size:.9375rem;font-weight:500;margin-bottom:7px}
.step p{color:var(--ash);font-size:.8125rem;line-height:1.65}
.quote{
  border-left:var(--rule) solid var(--brass);
  padding-left:28px;
}
.quote blockquote{
  font-family:Spectral,Georgia,serif;
  font-weight:300;
  font-style:italic;
  font-size:1.4rem;
  line-height:1.5;
  color:var(--bone);
}
.quote footer{margin-top:22px;color:var(--ash);font-size:.75rem}

/* ---------- oficina ---------- */
.office{display:grid;grid-template-columns:1.1fr 1fr;gap:1px;background:var(--line);border:var(--rule) solid var(--line)}
.office > div{background:var(--void);padding:44px 38px}
.office h3{
  font-family:Spectral,Georgia,serif;
  font-weight:300;
  font-size:1.75rem;
  margin-bottom:26px;
}
.row{
  display:grid;
  grid-template-columns:96px 1fr;
  gap:18px;
  padding:15px 0;
  border-top:var(--rule) solid var(--line);
  align-items:baseline;
}
.row:first-of-type{border-top:0}
.row dt{color:var(--brass);opacity:.8}
.row dd{font-size:.875rem;line-height:1.6}
.row dd a{border-bottom:var(--rule) solid var(--line);transition:border-color .25s ease}
.row dd a:hover{border-color:var(--brass)}

/* ---------- pie ---------- */
.foot{border-top:var(--rule) solid var(--line);padding:64px 0 40px;background:var(--panel)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:56px}
.foot-grid h5{color:var(--brass);margin-bottom:20px}
.foot-grid ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.foot-grid li a{font-size:.8125rem;color:var(--ash);transition:color .2s ease}
.foot-grid li a:hover{color:var(--bone)}
.foot-blurb{color:var(--ash);font-size:.8125rem;max-width:40ch;margin-top:18px}
.legal{
  border-top:var(--rule) solid var(--line);
  padding-top:26px;
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  color:var(--ash);
  font-size:.6875rem;
  line-height:1.7;
}

/* ---------- revelado ---------- */
.rise{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease}
.rise.seen{opacity:1;transform:none}

/* ---------- adaptativo ---------- */
@media (max-width:1000px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .method{grid-template-columns:1fr;gap:48px}
  .figures{grid-template-columns:repeat(2,1fr)}
  .office{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .burger{display:block}
  .nav{
    position:absolute;
    top:74px;left:0;right:0;
    background:var(--panel);
    border-bottom:var(--rule) solid var(--line);
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:8px 28px 22px;
    display:none;
  }
  .nav.open{display:flex}
  .nav a{padding:13px 0;width:100%;border-bottom:var(--rule) solid var(--line)}
  .nav .cta{border:var(--rule) solid var(--line);margin-top:16px;width:auto;padding:11px 20px}
  .hero{padding:72px 0 64px}
  .sec{padding:64px 0}
  .grid{grid-template-columns:1fr}
  .figures{grid-template-columns:1fr;margin-top:56px}
  .foot-grid{grid-template-columns:1fr;gap:34px}
  .office > div{padding:32px 26px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none !important;transition:none !important}
  .rise{opacity:1;transform:none}
}