/* ============================================================
   Tipografías autoalojadas — sin dependencias externas
   Archivo (wght+wdth), Inter (opsz+wght) y JetBrains Mono (wght),
   subconjunto latino, variables, WOFF2.
   ============================================================ */
@font-face{
  font-family:"Archivo";
  src:url("/assets/fonts/archivo-var.woff2") format("woff2-variations"),
      url("/assets/fonts/archivo-var.woff2") format("woff2");
  font-weight:100 900;
  font-stretch:62% 125%;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"Inter";
  src:url("/assets/fonts/inter-var.woff2") format("woff2-variations"),
      url("/assets/fonts/inter-var.woff2") format("woff2");
  font-weight:100 900;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"JetBrains Mono";
  src:url("/assets/fonts/jetbrainsmono-var.woff2") format("woff2-variations"),
      url("/assets/fonts/jetbrainsmono-var.woff2") format("woff2");
  font-weight:100 800;
  font-style:normal;
  font-display:swap;
}

/* ============================================================
   miguelguitian.com
   1. Tokens
   2. Base
   3. Utilidades y ritmo
   4. Cabecera y pie
   5. Portada: hero, credenciales, sistema, obsesiones
   6. Contenido: artículos, research, lab
   7. Artículo largo
   8. Página Sobre mí
   9. Responsive
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root{
  --ink:#050505;
  --paper:#F7F7F2;
  --white:#FFFFFF;
  --grey:#575751;          /* 6.9:1 sobre paper */
  --grey-2:#7C7C74;
  --line:#DAD9D2;
  --blue:#0047FF;
  --blue-ink:#0035C4;      /* enlaces sobre fondo claro */
  --orange:#FF4B00;
  --acid:#EFFF00;

  --display:"Archivo","Arial Narrow",Helvetica,Arial,sans-serif;
  --body:"Inter","Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --s1:8px;
  --s2:14px;
  --s3:22px;
  --s4:clamp(26px,3vw,36px);
  --s5:clamp(34px,4.4vw,52px);
  --s6:clamp(44px,6vw,72px);

  --band:clamp(48px,6.2vw,80px);        /* sección estándar */
  --band-lead:clamp(62px,8vw,108px);    /* sección principal */
  --band-compact:clamp(34px,4.2vw,54px);/* sección de apoyo */

  --wrap:1320px;
  --gut:clamp(18px,4vw,56px);
}

/* ---------- 2. Base ---------- */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--body);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.15em}
li{margin:0 0 .4em}
h1,h2,h3,h4{
  font-family:var(--display);font-weight:800;letter-spacing:-0.035em;line-height:.94;margin:0;
  font-stretch:85%;text-wrap:balance;
}
:focus-visible{outline:3px solid var(--acid);outline-offset:2px;box-shadow:0 0 0 6px rgba(5,5,5,.85)}
.band--ink :focus-visible,.band--blue :focus-visible,.bar :focus-visible,.foot :focus-visible{
  outline-color:var(--acid);box-shadow:0 0 0 6px rgba(255,255,255,.9)}

/* ---------- 3. Utilidades y ritmo ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--gut);padding-right:var(--gut)}
.band{padding:var(--band) 0;position:relative}
.band--lead{padding:var(--band-lead) 0}
.band--tight,.band--compact{padding:var(--band-compact) 0}
.band--ink{background:var(--ink);color:var(--paper)}
.band--blue{background:var(--blue);color:#fff}
.band--orange{background:var(--orange);color:var(--ink)}
.band--paper{background:var(--paper)}
.band--white{background:var(--white)}

.mono{font-family:var(--mono);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;line-height:1.5}
.mono-sm{font-family:var(--mono);font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;line-height:1.6}
.kicker{display:block;font-family:var(--mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;
  line-height:1.5;margin:0 0 var(--s2);font-weight:400}
.kicker--blue{color:var(--blue-ink)}
.kicker--acid{color:var(--acid)}
.kicker--orange{color:#C93A00}
.band--ink .kicker--blue,.band--blue .kicker--blue{color:var(--acid)}
.band--ink .kicker--orange{color:var(--orange)}

.grey{color:var(--grey)}
.band--ink .grey,.band--blue .grey{color:rgba(255,255,255,.86)}
.band--ink a,.band--blue a{color:inherit}

.claim{font-family:var(--display);font-weight:800;font-stretch:74%;text-transform:uppercase;
  letter-spacing:-0.045em;line-height:.86;font-size:clamp(2.1rem,9.4vw,8rem);max-width:16ch;
  overflow-wrap:break-word;hyphens:auto}
.claim--md{font-size:clamp(1.85rem,6.4vw,5.2rem)}
.claim--sm{font-size:clamp(1.7rem,4vw,3rem);line-height:.92}
.mega{font-family:var(--display);font-weight:800;font-stretch:75%;text-transform:uppercase;
  letter-spacing:-0.04em;line-height:.9}
.said{max-width:52ch;font-size:clamp(1.02rem,1.4vw,1.2rem);line-height:1.45;margin-top:var(--s3)}
.copy{max-width:56ch}
.w-12{max-width:12ch}.w-14{max-width:14ch}.w-16{max-width:16ch}.w-18{max-width:18ch}
.mw-40{max-width:40ch}.mw-46{max-width:46ch}.mw-52{max-width:52ch}.mw-56{max-width:56ch}
.mt-2{margin-top:var(--s2)}.mt-3{margin-top:var(--s3)}
.stack{margin-top:var(--s4)}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;background:var(--acid);color:var(--ink);padding:14px 20px;z-index:99;
  font-family:var(--mono);font-size:.85rem;text-decoration:none;border:2px solid var(--ink)}
.skip:focus{left:8px;top:8px}

.mgmark{font-family:var(--display);font-weight:800;font-stretch:80%;letter-spacing:-0.05em;
  background:var(--acid);color:var(--ink);padding:1px 5px 2px;display:inline-block}

/* etiquetas y estados */
.tag,.st,.chip{display:inline-block;font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;
  text-transform:uppercase;padding:.4em .55em .32em;border:1.5px solid currentColor;white-space:nowrap;line-height:1.3}
.tag--ink{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.tag--acid{background:var(--acid);border-color:var(--acid);color:var(--ink)}
.tag--ghost{border-style:dashed;color:var(--grey)}
.st--production{background:var(--acid);border-color:var(--acid);color:var(--ink)}
.st--rebuilding{background:#fff;border-color:#fff;color:var(--ink)}
.st--building{border-color:currentColor}
.st--exploring{border-style:dashed}
.st--killed{border-style:dashed;opacity:.8}

/* botones */
.btn{display:inline-flex;align-items:center;min-height:48px;text-decoration:none;font-family:var(--mono);
  font-size:.8rem;letter-spacing:.11em;text-transform:uppercase;padding:12px 22px;background:var(--ink);
  color:var(--paper);border:2px solid var(--ink);transition:background .14s,color .14s,border-color .14s}
.btn:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.btn--out{background:transparent;color:inherit;border-color:currentColor}
.btn--out:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.band--blue .btn{background:var(--acid);border-color:var(--acid);color:var(--ink)}
.band--blue .btn:hover{background:#fff;border-color:#fff}
.band--ink .btn{background:var(--paper);border-color:var(--paper);color:var(--ink)}
.band--ink .btn:hover{background:var(--acid);border-color:var(--acid)}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:var(--s4)}

/* ---------- 4. Cabecera y pie ---------- */
.bar{position:sticky;top:0;z-index:60;background:var(--ink);color:var(--paper)}
.bar__in{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:54px}
.bar a{text-decoration:none}
.bar__name{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:.84rem;
  letter-spacing:.14em;text-transform:uppercase;white-space:nowrap;padding:14px 0}
.bar nav{display:flex;flex-wrap:wrap;gap:0 clamp(14px,2vw,28px)}
.bar__menu{display:none;background:none;border:0;color:var(--paper);font-family:var(--mono);
  font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;padding:14px 0 14px 16px;cursor:pointer}
.bar__menu:hover{color:var(--acid)}
.bar nav a{font-family:var(--mono);font-size:.79rem;letter-spacing:.1em;text-transform:uppercase;
  white-space:nowrap;padding:16px 0;border-bottom:3px solid transparent;color:rgba(255,255,255,.88)}
.bar nav a:hover{color:#fff;border-bottom-color:var(--acid)}
.bar nav a[aria-current="page"]{color:var(--acid);border-bottom-color:var(--acid)}
.bar nav a.nav-marron{position:relative;padding-left:clamp(14px,2vw,28px);margin-left:-2px}
.bar nav a.nav-marron::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:1px;
  background:rgba(255,255,255,.32)}
.art__cierre{margin-top:var(--s4);padding-top:var(--s3);border-top:1px solid var(--line);
  font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;
  line-height:1.9;color:var(--grey)}
.art__cierre a{color:var(--ink);text-decoration:underline;text-decoration-thickness:2px;
  text-underline-offset:3px;text-decoration-color:var(--blue)}
.art__cierre a:hover{color:var(--blue-ink)}

.foot{background:var(--ink);color:var(--paper);padding:var(--s6) 0 var(--s4)}
.foot__name{font-family:var(--display);font-weight:800;font-stretch:75%;text-transform:uppercase;
  overflow-wrap:break-word;letter-spacing:-0.045em;line-height:.84;font-size:clamp(2.1rem,10vw,7.5rem);margin:0 0 var(--s3)}
.foot__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s3);
  border-top:1px solid rgba(255,255,255,.3);padding-top:var(--s3)}
.foot h2{font-family:var(--mono);font-weight:400;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(255,255,255,.7);margin-bottom:var(--s1)}
.foot nav{display:flex;flex-direction:column}
.foot nav a{font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  text-decoration:none;padding:9px 0;color:rgba(255,255,255,.92)}
.foot nav a:hover{color:var(--acid)}
.foot__note{font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;line-height:1.9;
  color:rgba(255,255,255,.82)}

/* ---------- 5. Portada ---------- */
.hero{padding:clamp(24px,3.6vw,44px) 0 0}
.hero__name{font-family:var(--display);font-weight:800;font-stretch:75%;text-transform:uppercase;
  overflow-wrap:break-word;font-size:clamp(2.4rem,10.4vw,8.6rem);line-height:.88;letter-spacing:-0.045em;margin:0}
.hero__name span{display:block}
.hero__meta{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s2);
  border-top:2px solid var(--ink);border-bottom:1px solid var(--line);padding:10px 0;margin:var(--s3) 0 var(--s5)}
.hero__meta div{font-family:var(--mono);font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;line-height:1.5}
.hero__meta b{display:block;font-weight:500}
.hero__meta i{font-style:normal;color:var(--grey)}
.hero__grid{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(24px,4vw,64px);align-items:start}
.hero__claim{font-family:var(--display);font-weight:800;font-size:clamp(1.85rem,3.8vw,3.2rem);
  letter-spacing:-0.03em;line-height:1.04;font-stretch:88%;max-width:20ch;margin:0}
.hero__claim em{font-style:normal;background:var(--acid);padding:0 .1em}
.hero__sub{margin-top:var(--s3);max-width:50ch;font-size:1.02rem}
.hero__note{border:2px solid var(--ink);background:var(--white);padding:18px 20px}
.hero__note p{margin:10px 0 0;font-size:.94rem;line-height:1.5}
.hero__note .mono-sm{color:#C93A00}

.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.3)}
.stats div{padding:var(--s3) var(--s3) var(--s3) var(--s3);border-left:1px solid rgba(255,255,255,.3)}
.stats div:first-child{border-left:0;padding-left:0}
.stats b{display:block;font-family:var(--display);font-weight:800;font-stretch:78%;letter-spacing:-0.04em;
  font-size:clamp(1.9rem,4vw,3.2rem);line-height:.95}
.stats span{display:block;margin-top:10px;font-family:var(--mono);font-size:.78rem;letter-spacing:.09em;
  text-transform:uppercase;line-height:1.6}
.stats i{display:block;margin-top:8px;font-style:normal;font-size:.88rem;line-height:1.45;
  color:rgba(255,255,255,.86);text-transform:none}
.acidnum{color:var(--acid)}

/* recorrido y flujo de datos */
.path{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);border:2px solid currentColor}
.path > div{padding:var(--s3)}
.path > div + div{border-left:2px solid currentColor}
.path h3{font-family:var(--mono);font-weight:500;font-size:.78rem;letter-spacing:.11em;text-transform:uppercase;
  margin-bottom:var(--s3);line-height:1.4}
.path ol{list-style:none;margin:0;padding:0;font-family:var(--mono);font-size:.8rem;letter-spacing:.05em;
  text-transform:uppercase;line-height:1.4}
.path li{padding:7px 0}
.path li + li::before{content:"↓";display:block;font-size:1.05rem;line-height:1;margin-bottom:4px;opacity:.75}
.path--up li + li::before{content:"↑";color:var(--blue-ink);opacity:1;font-weight:700}
.band--ink .path--up li + li::before{color:var(--acid)}
.path li b{font-weight:500}
.path .mark{background:var(--acid);color:var(--ink);padding:1px 5px}

.xchg{border:2px solid currentColor;margin-top:var(--s4)}
.xchg__row{display:flex;border-bottom:2px solid currentColor}
.xchg__row span{flex:1;padding:20px 18px;font-family:var(--display);font-weight:800;font-stretch:78%;
  text-transform:uppercase;letter-spacing:-0.03em;font-size:clamp(1.2rem,2.8vw,2.2rem);line-height:1}
.xchg__row i{font-style:normal;display:flex;align-items:center;padding:0 14px;font-size:1.4rem;
  border-left:2px solid currentColor;border-right:2px solid currentColor;background:var(--blue);color:#fff}
.xchg__cells{display:grid;grid-template-columns:1fr 1fr}
.xchg__cells > div{padding:var(--s3);border-left:2px solid currentColor}
.xchg__cells > div:first-child{border-left:0}
.xchg__cells h3{font-family:var(--mono);font-weight:500;font-size:.78rem;letter-spacing:.1em;
  text-transform:uppercase;margin-bottom:var(--s2);line-height:1.4}
.xchg__cells p{margin:0;font-size:.97rem}
.xchg__cells ul{margin:10px 0 0;padding-left:1.1em;font-size:.94rem}

/* obsesiones */
.obs{border-top:2px solid var(--ink)}
.obs__i{display:grid;grid-template-columns:56px minmax(0,1fr) minmax(0,1fr);gap:clamp(14px,3vw,40px);
  padding:var(--s3) 0;border-bottom:1px solid var(--line);align-items:start}
.obs__n{font-family:var(--mono);font-size:.82rem;color:var(--blue-ink)}
.obs__i h3{font-size:clamp(1.3rem,2.5vw,2rem);letter-spacing:-0.03em;line-height:1.02;
  text-transform:uppercase;font-stretch:80%}
.obs__i p{margin:0;font-size:.98rem}
.obs__i .mono-sm{display:block;margin-top:var(--s2);color:var(--grey)}

/* ---------- 6. Artículos, research, lab ---------- */
.feat{display:block;text-decoration:none;background:var(--ink);color:var(--paper);
  padding:clamp(24px,3.4vw,44px);border:2px solid var(--ink)}
.feat__k{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:var(--s3)}
.feat h3{font-size:clamp(1.9rem,5vw,4rem);text-transform:uppercase;font-stretch:76%;
  letter-spacing:-0.04em;line-height:.92}
.feat p{max-width:56ch;margin:var(--s3) 0 0;color:rgba(255,255,255,.9);font-size:1rem}
.feat:hover h3,.feat:focus-visible h3{color:var(--acid)}
.feat__go{display:inline-block;margin-top:var(--s3);font-family:var(--mono);font-size:.78rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--acid)}

.artgrid{display:grid;grid-template-columns:repeat(12,1fr);border-left:1px solid var(--line)}
.card{grid-column:span 4;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:clamp(18px,2.2vw,28px);text-decoration:none;background:var(--paper);
  display:flex;flex-direction:column;min-height:210px}
.card--w6{grid-column:span 6}
.card--w8{grid-column:span 8}
.card--white{background:var(--white)}
.card__k{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:var(--s2)}
.card h3{font-size:clamp(1.12rem,1.6vw,1.45rem);letter-spacing:-0.025em;line-height:1.1;
  font-stretch:92%;margin-bottom:10px}
.card--w8 h3{font-size:clamp(1.35rem,2.4vw,2rem);text-transform:uppercase;font-stretch:80%}
.card p{font-size:.94rem;color:#3a3a35;margin:0}
.card__f{margin-top:auto;padding-top:var(--s2);font-family:var(--mono);font-size:.78rem;letter-spacing:.09em;
  text-transform:uppercase;color:var(--grey);display:flex;justify-content:space-between;gap:10px}
a.card:hover,a.card:focus-visible{background:var(--blue);color:#fff}
a.card:hover p,a.card:hover .card__f,a.card:focus-visible p,a.card:focus-visible .card__f{color:#fff}
a.card:hover .tag,a.card:focus-visible .tag{background:transparent;border-color:#fff;color:#fff}

.filters{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 var(--s4)}
.filters button{font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  background:transparent;border:2px solid var(--ink);color:var(--ink);padding:12px 14px;min-height:44px;cursor:pointer}
.filters button:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.filters button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.filters button[aria-pressed="true"]::before{content:"■ ";font-size:.7em}

/* research */
.rs{border-top:2px solid currentColor}
.rs__i{display:grid;grid-template-columns:90px minmax(0,1fr) 170px;gap:clamp(14px,3vw,36px);
  padding:var(--s4) 0;border-bottom:1px solid var(--line);align-items:start}
.band--ink .rs__i{border-bottom-color:rgba(255,255,255,.28)}
.rs__n{font-family:var(--mono);font-size:.8rem;color:var(--blue-ink)}
.band--ink .rs__n{color:var(--acid)}
.rs__i h3{font-size:clamp(1.25rem,2.2vw,1.8rem);letter-spacing:-0.03em;line-height:1.06;font-stretch:86%}
.rs__i > div > p{margin:var(--s2) 0 0;max-width:60ch;font-size:.97rem}
.rs__s{text-align:right}
.dl{display:grid;grid-template-columns:130px 1fr;gap:8px 18px;margin-top:var(--s3);font-size:.93rem}
.dl dt{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--grey);padding-top:2px}
.dl dd{margin:0}

/* lab */
.labsec{margin-bottom:var(--s4)}
.labsec h2{font-size:clamp(1.5rem,3.2vw,2.4rem);text-transform:uppercase;font-stretch:80%;
  letter-spacing:-0.035em;margin-bottom:var(--s1)}
.labsec p{margin:0;font-size:.98rem;max-width:56ch}
.lab__i{padding:var(--s5) 0;border-top:1px solid var(--line)}
.band--ink .lab__i,.band--blue .lab__i{border-top-color:rgba(255,255,255,.3)}
.lab__i h3{font-size:clamp(1.45rem,3.2vw,2.3rem);text-transform:uppercase;font-stretch:78%;
  letter-spacing:-0.035em;margin:var(--s2) 0 var(--s2)}
.lab__g{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(20px,3vw,44px);align-items:start}
.lab__g p{font-size:.99rem;max-width:52ch}

.build{border-top:2px solid currentColor}
.build--light,.build--light .build__i{border-color:var(--line)}
.no-top{border-top:0}
.no-bottom{border-bottom:0}
.build__i{display:grid;grid-template-columns:200px minmax(0,1fr) minmax(140px,auto);gap:20px;
  align-items:baseline;padding:var(--s2) 0;border-bottom:1px solid currentColor}
.build__i b{font-family:var(--display);font-weight:800;font-stretch:85%;font-size:1.02rem;
  letter-spacing:-0.02em;text-transform:uppercase}
.build__i span{font-size:.95rem}
.build__i .st{justify-self:end}

.tree{font-family:var(--mono);font-size:.82rem;line-height:1.9;letter-spacing:.02em;white-space:pre;
  overflow-x:auto;padding:18px 20px;border:2px solid currentColor;max-width:100%}
.tree b{font-weight:500}
.io{display:grid;grid-template-columns:repeat(3,1fr);border:2px solid currentColor}
.io > div{padding:var(--s3);border-left:2px solid currentColor}
.io > div:first-child{border-left:0}
.io h3{font-family:var(--mono);font-weight:500;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  margin-bottom:var(--s2);line-height:1.4}
.io p{margin:0;font-size:.96rem;line-height:1.45}
.quad{display:grid;grid-template-columns:1fr 1fr;border:2px solid currentColor;margin-top:var(--s3)}
.quad > div{padding:18px 20px;border-left:2px solid currentColor;border-top:2px solid currentColor}
.quad > div:nth-child(-n+2){border-top:0}
.quad > div:nth-child(odd){border-left:0}
.quad h4{font-family:var(--mono);font-weight:500;font-size:.78rem;letter-spacing:.1em;
  text-transform:uppercase;margin-bottom:8px}
.quad p{margin:0;font-size:.95rem;line-height:1.5}
.chain2{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-family:var(--mono);font-size:.78rem;
  letter-spacing:.07em;text-transform:uppercase;margin-top:var(--s3)}
.chain2 span{border:1.5px solid currentColor;padding:8px 10px}
.chain2 i{font-style:normal}

/* caso, comparación, evidencia, hamster */
.case{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start}
.steps{border-left:2px solid var(--orange);padding-left:0;list-style:none;margin:0}
.steps li{position:relative;padding:0 0 var(--s3) 26px;margin:0;font-size:.99rem;line-height:1.4}
.steps li::before{content:"";position:absolute;left:-7px;top:7px;width:12px;height:12px;background:var(--orange)}
.steps li b{display:block;font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  margin-bottom:5px;color:var(--orange)}
.steps li:last-child::before{background:var(--acid)}
.steps li:last-child b{color:var(--acid)}

.vs{display:grid;grid-template-columns:1fr 1fr;border:2px solid var(--ink);background:var(--white)}
.vs > div{padding:clamp(20px,2.8vw,32px)}
.vs > div:first-child{border-right:2px solid var(--ink)}
.vs h3{font-family:var(--mono);font-weight:500;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;
  margin-bottom:var(--s3)}
.vs dl{margin:0}
.vs dt{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--grey);margin-top:var(--s2)}
.vs dd{margin:2px 0 0;font-family:var(--display);font-weight:800;font-stretch:80%;letter-spacing:-0.03em;
  font-size:clamp(1.4rem,3.2vw,2.4rem);line-height:1}
.vs .fake dd{color:var(--grey-2)}
.vs .real dd em{font-style:normal;background:var(--acid);padding:0 .1em}
.vs__q{font-family:var(--display);font-weight:800;font-stretch:78%;text-transform:uppercase;
  font-size:clamp(1.15rem,2.2vw,1.7rem);letter-spacing:-0.03em;margin-top:var(--s3)}
.depende{display:inline-block;background:var(--acid);color:var(--ink);padding:2px 8px}
.vs__note{margin-top:var(--s3);font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;line-height:1.7}

.recs{display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--ink)}
.recs figure{margin:0;padding:var(--s3) var(--s3) var(--s3) 0;border-right:1px solid var(--line);
  padding-right:var(--s3)}
.recs figure + figure{padding-left:var(--s3)}
.recs figure:last-child{border-right:0}
.recs blockquote{margin:0;font-size:1.06rem;line-height:1.35;font-family:var(--display);font-weight:500;
  font-stretch:95%;letter-spacing:-0.015em}
.recs figcaption{margin-top:var(--s2);font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--grey);line-height:1.6}
.recs .yr{display:block;font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;color:var(--blue-ink);
  margin-bottom:var(--s2)}

.wheel{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:var(--s3)}
.wheel span{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;
  border:2px solid currentColor;padding:9px 12px}
.wheel i{font-style:normal}
.wheel .loop{border-style:dashed}
.proof{border:2px dashed currentColor;padding:18px 20px}
.proof p{margin:8px 0 0;font-size:.94rem}
.ph{border:2px solid currentColor;aspect-ratio:4/5;display:flex;align-items:flex-end;padding:16px;
  background:repeating-linear-gradient(135deg,transparent,transparent 9px,rgba(0,0,0,.06) 9px,rgba(0,0,0,.06) 10px)}

/* cabeceras de página interna */
.phead{padding:clamp(30px,4.4vw,60px) 0 var(--s4)}
.phead h1{overflow-wrap:break-word;font-size:clamp(2.1rem,9vw,7rem);text-transform:uppercase;font-stretch:74%;
  letter-spacing:-0.045em;line-height:.88}
.phead p{max-width:56ch;margin-top:var(--s3);font-size:1.05rem}
.crumb{margin-bottom:var(--s3);font-family:var(--mono);font-size:.78rem;letter-spacing:.09em;
  text-transform:uppercase;color:var(--grey)}
.crumb a{text-decoration:underline;text-underline-offset:3px}
.crumb a:hover{color:var(--blue-ink)}

/* ---------- 7. Artículo largo ---------- */
.artwrap{max-width:1180px;margin:0 auto;padding:0 var(--gut)}
.art{padding-top:clamp(24px,3.4vw,48px)}
.art__k{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;margin-bottom:var(--s3)}
.art h1{overflow-wrap:break-word;font-size:clamp(1.95rem,6vw,4.6rem);text-transform:uppercase;font-stretch:76%;
  letter-spacing:-0.045em;line-height:.9;max-width:18ch}
.art__sub{margin:var(--s3) 0 0;max-width:52ch;font-size:clamp(1.06rem,1.6vw,1.28rem);line-height:1.45;color:#33332f}
.art__by{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;margin-top:var(--s4);padding:12px 0;
  border-top:2px solid var(--ink);border-bottom:1px solid var(--line)}
.art__body{display:grid;grid-template-columns:200px minmax(0,68ch);gap:clamp(24px,4vw,60px);
  align-items:start;margin-top:var(--s5)}
.artnav{position:sticky;top:78px}
.artnav ol{list-style:none;margin:var(--s2) 0 0;padding:0}
.artnav li{margin:0}
.artnav a{display:block;font-size:.85rem;line-height:1.3;color:var(--grey);text-decoration:none;
  border-left:2px solid var(--line);padding:8px 0 8px 12px}
.artnav a:hover{color:var(--ink);border-left-color:var(--blue)}
.prose{font-size:1.09rem;line-height:1.68;max-width:68ch;padding-bottom:var(--s3)}
.prose h2{font-size:clamp(1.45rem,2.8vw,2.05rem);margin:1.9em 0 .5em;letter-spacing:-0.03em;
  text-transform:uppercase;font-stretch:82%}
.prose h2 .n{display:block;font-family:var(--mono);font-weight:400;font-size:.78rem;letter-spacing:.12em;
  color:#C93A00;margin-bottom:.9em;text-transform:uppercase}
.prose p,.prose ul,.prose ol{margin-bottom:1.15em}
.prose a{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;
  text-decoration-color:var(--blue)}
.prose a:hover{color:var(--blue-ink)}
.prose strong{font-weight:600}
.tldr{border:2px solid var(--ink);background:var(--white);padding:22px;margin-bottom:var(--s5)}
.tldr .mono-sm{display:block;margin-bottom:var(--s2);color:var(--blue-ink)}
.tldr ul{margin:0;font-size:1rem}
.pull{margin:1.8em 0;font-family:var(--display);font-weight:800;font-stretch:80%;text-transform:uppercase;
  font-size:clamp(1.5rem,4vw,2.7rem);line-height:.98;letter-spacing:-0.04em;
  border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);padding:20px 0}
.pull em{font-style:normal;background:var(--acid);padding:0 .08em}
.callout{border-left:6px solid var(--orange);background:var(--white);padding:18px 20px;margin:1.8em 0;font-size:.99rem}
.callout .mono-sm{display:block;margin-bottom:8px;color:#C93A00}
.callout p:last-child{margin-bottom:0}
.tbl{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.95rem;background:var(--white)}
.tbl caption{text-align:left;font-family:var(--mono);font-size:.78rem;letter-spacing:.09em;
  text-transform:uppercase;color:var(--grey);padding-bottom:10px}
.tbl th,.tbl td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl thead th{background:var(--ink);color:var(--paper);font-family:var(--mono);font-size:.78rem;
  letter-spacing:.08em;text-transform:uppercase;font-weight:500;border-bottom:0}
.tbl td.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl tr.hi td,.tbl tr.hi th{background:var(--acid)}
.wrapx{overflow-x:auto}
.note{font-size:.88rem;color:var(--grey);margin-top:-.4em}
.bars{margin:1.8em 0}
.bar-r{display:grid;grid-template-columns:120px minmax(0,1fr) 80px;gap:14px;align-items:center;
  margin-bottom:10px;font-size:.88rem}
.bar-r u{text-decoration:none;font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--grey)}
.bar-r div{height:18px;background:var(--blue)}
.bar-r div.alt{background:var(--grey-2)}
.bar-r s{text-decoration:none;text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
.vflow{font-family:var(--mono);font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;line-height:1.9;
  margin:1.8em 0;padding:20px;border:2px solid var(--ink);background:var(--white)}
.vflow b{font-weight:500}
.vflow i{font-style:normal;color:var(--blue-ink);display:block}
.vflow .q{background:var(--acid);padding:1px 6px}
.foots{margin-top:2.4em;padding-top:var(--s3);border-top:1px solid var(--line);font-size:.9rem;color:var(--grey)}
.foots a{color:var(--ink)}
.bio{display:grid;grid-template-columns:88px minmax(0,1fr);gap:22px;margin-top:2.6em;padding-top:var(--s3);
  border-top:2px solid var(--ink)}
.bio__ph{border:2px solid var(--ink);aspect-ratio:1;
  background:repeating-linear-gradient(135deg,transparent,transparent 7px,rgba(0,0,0,.07) 7px,rgba(0,0,0,.07) 8px)}
.bio b{font-family:var(--display);font-weight:800;font-stretch:88%;font-size:1.05rem}
.bio p{margin:8px 0 0;font-size:.95rem;color:#3a3a35}

/* ---------- 8. Sobre mí ---------- */
.blk{display:grid;grid-template-columns:200px minmax(0,1fr);gap:clamp(18px,4vw,56px);align-items:start;
  padding:var(--s5) 0;border-top:1px solid var(--line)}
.band--ink .blk,.band--blue .blk{border-top-color:rgba(255,255,255,.3)}
.blk__n{font-family:var(--mono);font-size:.78rem;letter-spacing:.11em;text-transform:uppercase;
  color:var(--blue-ink);position:sticky;top:78px}
.band--blue .blk__n{color:var(--acid)}
.blk h2{font-size:clamp(1.5rem,3.2vw,2.4rem);text-transform:uppercase;font-stretch:80%;
  letter-spacing:-0.035em;margin-bottom:var(--s3)}
.blk h3{font-family:var(--mono);font-weight:400;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--grey);margin-top:var(--s4)}
.band--blue .blk h3{color:rgba(255,255,255,.88)}
.blk p{max-width:62ch;font-size:1.03rem}
.blk ul{max-width:62ch}

/* los diagramas y tablas no deben ensanchar su rejilla */
.lab__g > *,.case > *,.path > *,.io > *,.xchg__cells > *,.art__body > *,.hero__grid > *,.obs__i > *{min-width:0}
.prose > *,.prose table{max-width:100%}

/* ---------- 9. Responsive ---------- */
@media (max-width:1080px){
  .hero__grid{grid-template-columns:1fr;gap:var(--s4)}
  .art__body{grid-template-columns:1fr;gap:var(--s3)}
  .artnav{position:static}
  .artnav ol{display:flex;flex-wrap:wrap;gap:0 18px}
  .artnav a{border-left:0;padding:8px 0}
  .case{grid-template-columns:1fr;gap:var(--s4)}
  .recs{grid-template-columns:1fr 1fr}
  .recs figure:nth-child(2n){border-right:0}
  .recs figure{border-bottom:1px solid var(--line)}
  .recs figure:nth-child(odd){padding-left:0}
  .blk{grid-template-columns:1fr;gap:var(--s2)}
  .blk__n{position:static}
}
@media (max-width:860px){
  .lab__g{grid-template-columns:1fr;gap:var(--s3)}
  .card,.card--w6,.card--w8{grid-column:span 12}
  .io{grid-template-columns:1fr}
  .io > div{border-left:0;border-top:2px solid currentColor}
  .io > div:first-child{border-top:0}
  .rs__i{grid-template-columns:1fr;gap:var(--s2)}
  .rs__s{text-align:left}
  .stats{grid-template-columns:1fr 1fr}
  .stats div{padding:var(--s3) var(--s2);border-top:1px solid rgba(255,255,255,.3)}
  .stats div:nth-child(odd){padding-left:0;border-left:0}
  .foot__cols{grid-template-columns:1fr}
  .xchg__cells{grid-template-columns:1fr}
  .xchg__cells > div{border-left:0;border-top:2px solid currentColor}
  .xchg__cells > div:first-child{border-top:0}
  .path{grid-template-columns:1fr}
  .path > div + div{border-left:0;border-top:2px solid currentColor}
  .quad{grid-template-columns:1fr}
  .quad > div{border-left:0;border-top:2px solid currentColor}
  .quad > div:nth-child(2){border-top:2px solid currentColor}
  .build__i{grid-template-columns:1fr auto;gap:6px 14px}
  .build__i span:not(.st){grid-column:1 / -1}
}
@media (max-width:720px){
  body{font-size:16px}
  /* mínimo real de 12,5px para cualquier texto informativo */
  .tag,.st,.chip,.mono-sm,.kicker,.crumb,.dl dt,.card__f,.recs figcaption,.recs .yr,.bar-r u,
  .tbl caption,.tbl thead th,.vs dt,.vs h3,.vs__note,.artnav a,.foot nav a,.foot__note,.foot h2,
  .bar nav a,.bar__name,.hero__meta div,.stats span,.rs__n,.obs__n,.filters button,.blk__n,
  .path h3,.io h3,.xchg__cells h3,.quad h4,.chain2,.wheel span,.steps li b,.prose h2 .n{font-size:.79rem}
  .bar__in{min-height:50px}
  .bar__name{padding:12px 0;font-size:.8rem}
  .bar nav{gap:16px}
  .bar nav a{font-size:.78rem;padding:15px 0}
  .hero__meta{grid-template-columns:1fr 1fr}
  .obs__i{grid-template-columns:1fr;gap:var(--s1)}
  .obs__n{color:var(--blue-ink)}
  .vs{grid-template-columns:1fr}
  .vs > div:first-child{border-right:0;border-bottom:2px solid var(--ink)}
  .dl{grid-template-columns:1fr;gap:2px}
  .dl dd{margin-bottom:12px}
  .bar-r{grid-template-columns:92px minmax(0,1fr) 66px;gap:10px;font-size:.82rem}
  .tree{font-size:.78rem;line-height:1.85;padding:14px}
  .prose{font-size:1.05rem}
  .pull{font-size:clamp(1.45rem,6.6vw,2.1rem)}
}
@media (max-width:600px){
  .bar__name .name-full{display:none}
  .bar__in{flex-wrap:wrap;gap:0 14px}
  .bar nav a.nav-marron{padding-left:12px}
  .bar nav a.nav-marron::before{top:12px;bottom:12px}
}
@media (max-width:560px){
  .xchg__row{display:block}
  .xchg__row span{display:block;border-bottom:2px solid currentColor;padding:14px 16px}
  .xchg__row i{border:0;padding:6px 16px;background:var(--blue);color:#fff;display:block}
  .vs dd{font-size:clamp(1.35rem,7vw,2rem)}
}
@media (max-width:430px){
  .bar nav a{padding:12px 0}
  .recs{grid-template-columns:1fr}
  .recs figure{border-right:0;padding-left:0}
  .bar nav{gap:0 12px}
  .bar nav a{letter-spacing:.04em}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}
@media print{
  .bar,.foot,.artnav{display:none}
  body{background:#fff;color:#000}
}

.statline{font-size:clamp(1.3rem,3.2vw,2.4rem);margin-bottom:clamp(26px,3vw,40px)}
.small{font-size:.97rem}
.sublabel{font-weight:400}
.on-dark{color:rgba(255,255,255,.86)}
.foot__tag{color:var(--acid);margin-bottom:14px}
.foot__name .mgmark{font-size:.6em;vertical-align:.24em;margin-right:.12em}
.phead h1 .mgmark{font-size:.55em;vertical-align:.28em;margin-right:.14em}
.note-sm{font-size:.95rem;max-width:40ch}
.link-acid{text-decoration:underline;text-decoration-color:var(--acid);text-underline-offset:3px}
.acid{color:var(--acid)}
.blue{color:var(--blue-ink)}

/* ---------- timeline editorial ---------- */
.tl{border-top:2px solid currentColor}
.tl__i{display:grid;grid-template-columns:190px minmax(0,1fr);gap:clamp(14px,3vw,40px);
  padding:var(--s3) 0;border-bottom:1px solid var(--line);align-items:start}
.band--ink .tl__i{border-bottom-color:rgba(255,255,255,.28)}
.tl__k{font-family:var(--mono);font-size:.78rem;letter-spacing:.11em;text-transform:uppercase}
.tl__k b{display:block;font-family:var(--display);font-weight:800;font-stretch:80%;font-size:1.35rem;
  letter-spacing:-0.03em;text-transform:uppercase;margin-bottom:4px}
.tl__i p{margin:0;max-width:56ch;font-size:.99rem}

/* ---------- estados de research ---------- */
.st--planned{border-style:dashed}
.st--collecting{background:var(--blue);border-color:var(--blue);color:#fff}
.st--analysing{background:var(--orange);border-color:var(--orange);color:var(--ink)}
.st--published{background:var(--acid);border-color:var(--acid);color:var(--ink)}

/* ---------- ficha de research / lab ---------- */
.fields{border-top:2px solid var(--ink);margin-top:var(--s4)}
.fields__r{min-width:0;display:grid;grid-template-columns:200px minmax(0,1fr);gap:8px 24px;padding:14px 0;
  border-bottom:1px solid var(--line);font-size:.99rem}
.fields__r > *{min-width:0}
.fields dt,.fields__r > b{font-family:var(--mono);font-size:.78rem;letter-spacing:.09em;
  text-transform:uppercase;color:var(--grey);font-weight:400;padding-top:2px}
.fields__r p{margin:0 0 .6em;max-width:60ch}
.fields__r p:last-child{margin-bottom:0}
.fields__r ul{margin:0;max-width:60ch}

@media (max-width:720px){
  .tl__i{grid-template-columns:1fr;gap:8px}
  .fields__r{grid-template-columns:1fr;gap:4px}
}


/* ============================================================
   Diagnóstico de contacto (/sobre-mi/#contacto)
   ============================================================ */
/* ============================================================
   Prototipo: ¿Qué está pasando?
   Solo componentes nuevos. El resto hereda de site.css.
   ============================================================ */

.dx{max-width:960px;margin:0 auto;padding:0 var(--gut)}
.dx__panel{border-top:2px solid var(--ink);padding-top:clamp(34px,4.4vw,56px)}
.dx__screen[hidden]{display:none}

/* cabecera de progreso */
.dx__top{display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-bottom:2px solid var(--ink);padding-bottom:12px;margin-bottom:var(--s4)}
.dx__step{font-family:var(--mono);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase}
.dx__step b{font-weight:500}
.dx__bar{flex:1;max-width:340px;height:6px;border:1.5px solid var(--ink);background:transparent}
.dx__bar span{display:block;height:100%;background:var(--ink);transition:width .18s linear}

/* pregunta */
.dx__q{font-family:var(--display);font-weight:800;font-stretch:80%;text-transform:uppercase;
  letter-spacing:-0.035em;line-height:.98;font-size:clamp(1.7rem,4.6vw,3rem);max-width:20ch;margin:0}
.dx__hint{margin-top:var(--s2);font-size:.98rem;color:var(--grey);max-width:56ch}

/* opciones */
.dx__opts{margin:var(--s4) 0 0;border-top:1px solid var(--line)}
.dx__opt{display:block;border-bottom:1px solid var(--line);cursor:pointer}
.dx__opt input{position:absolute;opacity:0;width:1px;height:1px}
.dx__opt span{display:flex;align-items:baseline;gap:16px;padding:16px 14px 16px 0;min-height:56px;
  font-size:1.05rem;line-height:1.35;transition:background .12s,padding .12s}
.dx__opt span::before{content:"";flex:none;width:14px;height:14px;border:2px solid var(--ink);
  transform:translateY(3px)}
.dx__opt:hover span{background:var(--white);padding-left:12px}
.dx__opt input:checked + span{background:var(--ink);color:var(--paper);padding-left:12px}
.dx__opt input:checked + span::before{background:var(--acid);border-color:var(--acid)}
.dx__opt input:focus-visible + span{outline:3px solid var(--acid);outline-offset:-3px;
  box-shadow:inset 0 0 0 6px rgba(5,5,5,.85)}

/* texto libre */
.dx__field{margin-top:var(--s4)}
.dx__field textarea{width:100%;min-height:150px;font-family:var(--body);font-size:1.02rem;line-height:1.6;
  padding:16px;border:2px solid var(--ink);background:var(--white);color:var(--ink);resize:vertical}
.dx__field textarea::placeholder{color:var(--grey)}
.dx__count{margin-top:8px;font-family:var(--mono);font-size:.78rem;color:var(--grey)}

/* pie de pantalla */
.dx__nav{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:var(--s5);
  border-top:1px solid var(--line);padding-top:var(--s3)}
.dx__back{background:none;border:0;padding:14px 0;cursor:pointer;font-family:var(--mono);font-size:.78rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--grey);text-decoration:underline;
  text-underline-offset:4px}
.dx__back:hover{color:var(--ink)}
.dx__note{font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;color:var(--grey);
  line-height:1.6;margin-top:var(--s3);max-width:60ch}

button.btn{cursor:pointer;font-family:var(--mono)}
button.btn[disabled]{opacity:.45;cursor:not-allowed}

/* resultado */
.dx__out{border:2px solid var(--ink);background:var(--white);padding:clamp(24px,4vw,44px)}
.dx__out--a{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.dx__out--c{background:transparent}
.dx__out h2{font-size:clamp(1.6rem,4.2vw,2.8rem);text-transform:uppercase;font-stretch:78%;
  letter-spacing:-0.035em;max-width:18ch}
.dx__out p{margin-top:var(--s3);max-width:56ch;font-size:1.05rem}
.dx__out .btns{margin-top:var(--s4)}
.dx__out--a .btn{background:var(--acid);border-color:var(--acid);color:var(--ink)}
.dx__out--a .btn:hover{background:var(--paper);border-color:var(--paper)}
.dx__out--a .btn--out{background:transparent;color:var(--paper);border-color:var(--paper)}
.dx__out--a .btn--out:hover{background:var(--paper);color:var(--ink)}
.dx__out--a .dx__note{color:rgba(255,255,255,.86)}
.dx__out--a a{color:var(--acid)}
.dx__recap{margin-top:var(--s5);border-top:1px solid var(--line);padding-top:var(--s3)}
.dx__recap dl{display:grid;grid-template-columns:200px minmax(0,1fr);gap:8px 24px;font-size:.97rem;margin:0}
.dx__recap dt{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--grey)}
.dx__recap dd{margin:0}


@media (max-width:720px){
  .dx__panel{padding-top:var(--s4)}
  .dx__top{flex-wrap:nowrap;gap:12px}
  .dx__top .grey{display:none}
  .dx__q{font-size:clamp(1.5rem,6.6vw,2.1rem)}
  .dx__bar{flex:1;max-width:none}
  .dx__opt span{font-size:1rem;padding:14px 8px 14px 0}
  .dx__recap dl{grid-template-columns:1fr;gap:2px}
  .dx__recap dd{margin-bottom:12px}
}

/* el fieldset no debe pintar caja ni recortar el titular */
.dx fieldset{border:0;margin:0;padding:0;min-width:0}
.dx legend{padding:0;display:block;width:100%}
.dx__screen{scroll-margin-top:88px}

/* pregunta secundaria y discreta */
.dx .dx__aside{margin-top:var(--s5);border-top:1px solid var(--line);padding-top:var(--s3)}
.dx__aside__q{font-family:var(--body);font-weight:600;font-size:1.02rem;line-height:1.4;max-width:52ch;
  letter-spacing:0;text-transform:none;display:block}
.dx__chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--s2)}
.dx__chip{display:inline-block}
.dx__chip input{position:absolute;opacity:0;width:1px;height:1px}
.dx__chip span{display:inline-flex;align-items:center;min-height:44px;padding:10px 14px;
  border:1.5px solid var(--line-2,#8E8E86);font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;
  text-transform:uppercase;cursor:pointer}
.dx__chip span:hover{border-color:var(--ink)}
.dx__chip input:checked + span{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.dx__chip input:focus-visible + span{outline:3px solid var(--acid);outline-offset:2px;
  box-shadow:0 0 0 5px rgba(5,5,5,.85)}

/* lectura */
.dx__read{border:2px solid var(--ink);background:var(--white);padding:clamp(24px,4vw,40px)}
.dx__label{margin:var(--s4) 0 var(--s2)}
.dx__label:first-of-type{margin-top:var(--s3)}
.dx__verdict{font-family:var(--display);font-weight:800;font-stretch:80%;text-transform:uppercase;
  letter-spacing:-0.035em;line-height:1;font-size:clamp(1.5rem,3.6vw,2.4rem);max-width:20ch;margin:0 0 var(--s3)}
.dx__see p{max-width:58ch;font-size:1.04rem}
.dx__see p:last-child{margin-bottom:0}
.dx__check{margin:0;padding-left:1.2em;max-width:58ch;font-size:1.02rem}
.dx__check li{margin-bottom:.5em}
#chain{margin-top:0}

/* siguiente paso */
.dx__step-next{margin-top:var(--s4);border:2px solid var(--ink);padding:clamp(22px,3.4vw,36px);
  background:var(--paper)}
.dx__step-next h3{font-size:clamp(1.35rem,3vw,2rem);text-transform:uppercase;font-stretch:80%;
  letter-spacing:-0.035em;margin:var(--s2) 0 0}
.dx__step-next p{margin-top:var(--s2);max-width:56ch}
.dx__step-next--a{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.dx__step-next--a .btn{background:var(--acid);border-color:var(--acid);color:var(--ink)}
.dx__step-next--a .btn:hover{background:var(--paper);border-color:var(--paper)}
.dx__step-next--a .btn--out{background:transparent;color:var(--paper);border-color:var(--paper)}
.dx__step-next--a .btn--out:hover{background:var(--paper);color:var(--ink)}
.dx__step-next--a .dx__note{color:rgba(255,255,255,.86)}

#contacto{scroll-margin-top:84px}
#diagnostico{scroll-margin-top:84px}


/* rol en el hero y detalles de la home */
.hero__rol{color:var(--grey);margin:var(--s3) 0 0}
.hero__note--edit{margin-top:var(--s4);background:var(--paper);max-width:56ch}
.feat__min{color:rgba(255,255,255,.86)}
@media (min-width:761px){
  .more > summary{display:none}
  .more{margin-top:0}
  .more__body{margin-top:0}
  .hero__rol{display:none}
}

/* ============================================================
   Capa móvil: decisiones propias, no desktop apilado
   ============================================================ */
.only-mobile{display:none}

@media (max-width:760px){
  .only-desktop{display:none !important}
  .only-mobile{display:block}

  /* --- header con menú deliberado --- */
  .bar__in{min-height:54px;flex-wrap:nowrap;gap:12px}
  .bar__name .name-full{display:inline}
  .bar__menu{display:block}
  .bar nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--ink);
    flex-direction:column;gap:0;padding:6px var(--gut) 18px;border-bottom:2px solid var(--acid);z-index:60}
  .bar nav.is-open{display:flex}
  .bar nav a{font-size:1rem;letter-spacing:.08em;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.16)}
  .bar nav a.nav-marron{padding-left:0;margin-top:8px;border-bottom:0;color:var(--acid)}
  .bar nav a.nav-marron::before{display:none}
  .bar nav a.nav-marron::after{content:" →"}

  /* --- ritmo: cada sección respira y se distingue --- */
  .band{padding:clamp(44px,11vw,64px) 0}
  .band--lead{padding:clamp(52px,13vw,76px) 0}
  .band--compact,.band--tight{padding:clamp(34px,8vw,48px) 0}
  .hero{padding-bottom:clamp(30px,8vw,44px)}
  .statline{font-size:1.35rem;line-height:1.15;margin-bottom:var(--s3)}
  .band--paper + .band--paper{border-top:1px solid var(--line)}
  .band--white + .band--white{border-top:1px solid var(--line)}

  /* --- titulares que respiran --- */
  .claim{line-height:.98;hyphens:none;max-width:none}
  .claim--md{line-height:1}
  .claim--sm{line-height:1.04}
  .hero__name{line-height:.94}
  .hero__claim{font-size:clamp(1.6rem,6.4vw,2.1rem);line-height:1.14;max-width:none;margin-top:var(--s4)}
  .hero__grid{gap:var(--s3)}
  .hero__meta{margin:var(--s3) 0}
  .phead h1{line-height:.94}
  .art h1{line-height:.98}

  /* --- texto secundario legible: mínimo ~14px --- */
  .mono,.mono-sm,.kicker,.crumb,.tag,.st,.chip,.card__f,.dl dt,.fields dt,.fields__r > b,
  .recs figcaption,.recs .yr,.bar-r u,.tbl caption,.tbl thead th,.vs dt,.vs h3,.vs__note,
  .foot nav a,.foot__note,.foot h2,.hero__meta div,.stats span,.rs__n,.obs__n,.blk__n,
  .path h3,.io h3,.xchg__cells h3,.quad h4,.chain2,.wheel span,.steps li b,.prose h2 .n,
  .build__i .st,.dx__step,.dx__note,.dx__count,.art__cierre{font-size:.88rem;letter-spacing:.05em}
  .tag,.st,.chip{padding:.45em .6em .38em}
  /* nada informativo por debajo de ~14px en móvil */
  .artnav a,.feat__go,.blk h3,.fields__r > b,.bar__name,.btn,.bar-r s,.bar-r u,
  .dl dt,.tl__k,.sublabel{font-size:.88rem}
  .btn{letter-spacing:.09em}
  .path ol,.path li b,.prose strong,.vflow,.tree,.flowm ol{font-size:.88rem}
  .path li,.flowm li{padding:8px 0}

  /* --- componentes --- */
  .stats{grid-template-columns:1fr 1fr;border-top:1px solid rgba(255,255,255,.3)}
  .stats div{border-left:0;padding:16px 14px 16px 0}
  .stats div:nth-child(even){padding-left:14px;border-left:1px solid rgba(255,255,255,.3)}
  .stats div:nth-child(n+3){border-top:1px solid rgba(255,255,255,.3)}
  .stats b{font-size:1.7rem;line-height:1}
  .stats span{margin-top:6px;line-height:1.35}
  .card{min-height:0;padding:20px 0;border-right:0;border-left:0}
  .artgrid{border-left:0}
  .build__i{grid-template-columns:1fr;gap:6px;padding:18px 0}
  .build__i .st{justify-self:start}
  .obs__i{padding:22px 0}
  .rs__i{padding:24px 0}
  .tl__i{padding:18px 0}
  .said,.lede{font-size:1.05rem}
  .btns{gap:10px}
  .btns .btn{width:100%;justify-content:center;text-align:center}
  .prose{font-size:1.06rem;line-height:1.7}
  .artnav{display:block;margin-bottom:var(--s3)}
  .artnav ol{display:block;margin:var(--s3) 0 0}
  .artnav li{margin:0}
  .artnav a{border-left:2px solid var(--line);padding:9px 0 9px 12px}
  .artnav__d > summary{width:100%;justify-content:space-between}
  .prose p{margin-bottom:1.2em}
}

@media (max-width:400px){
  .stats b{font-size:1.9rem}
  .claim{font-size:clamp(1.9rem,8.6vw,2.6rem)}
  .claim--md{font-size:clamp(1.75rem,7.6vw,2.3rem)}
}

/* acordeón editorial, sin librerías */
.more{margin-top:var(--s3)}
.more > summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;min-height:48px;
  font-family:var(--mono);font-size:.88rem;letter-spacing:.1em;text-transform:uppercase;
  border-bottom:2px solid var(--ink);padding:0 0 6px}
.more > summary::-webkit-details-marker{display:none}
.more > summary::after{content:" →";margin-left:8px}
.more[open] > summary::after{content:" ↑"}
.more > summary:hover{color:var(--blue-ink)}
.band--ink .more > summary,.band--blue .more > summary{border-bottom-color:var(--acid);color:var(--paper)}
.band--ink .more > summary:hover,.band--blue .more > summary:hover{color:var(--acid)}
.more__body{margin-top:var(--s3)}

/* flujo vertical del sistema, versión móvil */
.flowm{border:2px solid var(--ink);background:var(--white);padding:20px}
.flowm ol{list-style:none;margin:0;padding:0;font-family:var(--mono);font-size:.92rem;
  letter-spacing:.06em;text-transform:uppercase;line-height:1.5}
.flowm li{padding:9px 0}
.flowm li + li::before{content:"↓";display:block;opacity:.7;line-height:1;margin-bottom:6px}
.flowm .mark{background:var(--acid);padding:2px 6px;display:inline-block}
.flowm__note{font-family:var(--mono);font-size:.85rem;letter-spacing:.05em;line-height:1.5;
  color:var(--grey);padding:10px 0;border-top:1px solid var(--line);margin:10px 0 0}
.flowm__note--down{border-top:0;padding-top:0;margin-bottom:10px}
.flowm__rest li:first-child::before{content:"↓";display:block;opacity:.7;line-height:1;margin-bottom:6px}

/* en desktop los desplegables editoriales están siempre abiertos */
@media (min-width:761px){
  details.more > summary{display:none}
  details.more,details.more .more__body{margin-top:0}
}