:root{
  --ink:#0A0C0F;
  --ink-2:#0D1015;
  --surface:#12151B;
  --surface-2:#171B22;
  --line:#1E242D;
  --line-strong:#2C333E;
  --text:#ECE9E3;
  --muted:#8E939C;
  --faint:#565C66;
  --ghost:#33383F;
  --copper:#C97F45;
  --copper-bright:#E8A45F;
  --steel:#5C7A99;
  --ok:#5E9E7A;
  --display:'Archivo',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --max:1240px;
  --content-max:740px;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--text);
  font-family:var(--display);
  font-variation-settings:'wdth' 100;
  font-weight:380;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--copper);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 36px}
.article-wrap{max-width:var(--content-max);margin:0 auto;padding:0 24px}
@media(max-width:640px){.wrap{padding:0 20px}}

/* ============ LOGO / HEADER (idéntico a home) ============ */
.logo{display:flex;align-items:center;gap:13px}
.logo-mark{width:34px;height:34px;flex-shrink:0}
.logo-word{display:flex;flex-direction:column;line-height:1.15}
.logo-word .l1{font-weight:700;font-size:14.5px;letter-spacing:.14em;font-variation-settings:'wdth' 118}
.logo-word .l2{font-family:var(--mono);font-size:8.5px;letter-spacing:.42em;color:var(--copper)}
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:color-mix(in srgb,var(--ink) 90%,transparent);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
@media(max-width:860px){header{background:color-mix(in srgb,var(--ink) 96%,transparent);backdrop-filter:none;-webkit-backdrop-filter:none}}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-links{display:flex;gap:36px;align-items:center}
.nav-links>a{font-size:13.5px;color:var(--muted);letter-spacing:.03em;transition:color .25s}
.nav-links>a:hover{color:var(--text)}
.nav-cta{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;
  color:var(--text)!important;border:1px solid var(--line-strong);
  padding:10px 20px;border-radius:2px;transition:border-color .25s,background .25s;
}
.nav-cta:hover{border-color:var(--copper);background:rgba(201,127,69,.07)}
@media(max-width:860px){.nav-links>a:not(.nav-cta){display:none}}
@media(max-width:480px){
  .nav-cta{padding:8px 14px;font-size:10px;letter-spacing:.06em}
  .logo-word .l1{font-size:12.5px;letter-spacing:.1em}
  .logo-word .l2{font-size:7.5px;letter-spacing:.32em}
  .logo{gap:9px}
  .logo-mark{width:28px;height:28px}
}

/* ============ MIGA DE PAN ============ */
.crumb{
  padding:150px 0 0;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;
  color:var(--faint);display:flex;gap:10px;align-items:center;flex-wrap:wrap;
}
.crumb a{color:var(--muted);transition:color .2s}
.crumb a:hover{color:var(--copper)}
@media(max-width:640px){.crumb{padding-top:112px}}

/* ============ ETIQUETAS DE PLANO ============ */
.plate{
  display:flex;align-items:center;gap:14px;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  color:var(--faint);text-transform:uppercase;margin-bottom:28px;
}
.plate .code{color:var(--copper);font-weight:500}
.plate::after{content:'';flex:1;height:1px;background:var(--line)}

/* ============ ARTÍCULO: CABECERA ============ */
.art-hero{padding:40px 0 64px}
.art-hero h1{
  font-size:clamp(32px,5.4vw,54px);line-height:1.06;font-weight:660;
  font-variation-settings:'wdth' 114;letter-spacing:-.02em;margin-bottom:26px;
}
.art-hero h1 em{font-style:normal;color:var(--copper-bright)}
.art-dek{font-size:clamp(16px,1.6vw,19px);color:var(--muted);line-height:1.68;max-width:640px}
.art-dek strong{color:var(--text);font-weight:520}
.art-meta{
  display:flex;gap:20px;flex-wrap:wrap;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--faint);text-transform:uppercase;
}

/* ============ CUERPO DEL ARTÍCULO ============ */
.art-body{padding:8px 0 64px}
.art-body h2{
  font-size:clamp(23px,3vw,30px);line-height:1.2;font-weight:610;
  font-variation-settings:'wdth' 110;letter-spacing:-.012em;
  margin:56px 0 20px;
}
.art-body h2:first-child{margin-top:0}
.art-body h3{font-size:18px;font-weight:590;margin:34px 0 12px;font-variation-settings:'wdth' 106}
.art-body p{color:var(--muted);font-size:16px;line-height:1.78;margin-bottom:18px}
.art-body p strong{color:var(--text);font-weight:520}
.art-body ul,.art-body ol{color:var(--muted);font-size:16px;line-height:1.78;margin:0 0 18px 22px}
.art-body li{margin-bottom:8px}
.art-body li::marker{color:var(--copper)}
.art-body a{color:var(--copper);border-bottom:1px solid rgba(201,127,69,.35);transition:color .2s,border-color .2s}
.art-body a:hover{color:var(--copper-bright);border-color:var(--copper-bright)}

.callout{
  border-left:2px solid var(--copper);background:var(--surface);padding:24px 28px;
  margin:36px 0;border-radius:0 4px 4px 0;
}
.callout p{color:var(--text);font-size:15.5px;margin-bottom:0}
.callout p+p{margin-top:12px}
.callout .k{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--copper);text-transform:uppercase;margin-bottom:10px;display:block}

.pull{
  font-size:clamp(21px,2.6vw,27px);line-height:1.4;font-weight:560;
  font-variation-settings:'wdth' 108;letter-spacing:-.01em;color:var(--text);
  margin:44px 0;padding-left:24px;border-left:2px solid var(--line-strong);
}

.check{list-style:none;margin:20px 0 24px;padding:0}
.check li{
  font-size:15.5px;color:var(--text);padding:12px 0 12px 30px;position:relative;
  border-bottom:1px solid var(--line);
}
.check li:last-child{border-bottom:none}
.check li::before{content:'○';position:absolute;left:0;color:var(--copper);font-size:13px;top:13px}

/* tabla comparativa reutilizable en piezas */
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin:36px 0}
@media(max-width:640px){.cmp{grid-template-columns:1fr}}
.cmp-col{background:var(--ink);padding:32px 30px}
.cmp-col.us{background:var(--surface)}
.cmp-col .head{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  margin-bottom:22px;padding-bottom:14px;border-bottom:1px solid var(--line);
}
.cmp-col.them .head{color:var(--faint)}
.cmp-col.us .head{color:var(--copper)}
.cmp-col ul{list-style:none;margin:0;display:flex;flex-direction:column;gap:16px}
.cmp-col li{font-size:14.5px;line-height:1.6;padding-left:24px;position:relative;color:var(--muted)}
.cmp-col.them li::before{content:'×';position:absolute;left:0;color:var(--ghost);font-size:15px}
.cmp-col.us li::before{content:'→';position:absolute;left:0;color:var(--copper);font-size:14px}
.cmp-col.us li{color:var(--text)}

/* ============ CTA DOBLE DE CIERRE ============ */
.dual-cta{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:80px 0;margin-top:24px}
.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);max-width:var(--content-max);margin:0 auto}
@media(max-width:640px){.dual-grid{grid-template-columns:1fr}}
.dual-box{background:var(--ink);padding:40px 36px}
.dual-box.hi{background:var(--surface)}
.dual-box .tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--copper);text-transform:uppercase;margin-bottom:16px;display:block}
.dual-box h3{font-size:20px;font-weight:600;margin-bottom:12px;font-variation-settings:'wdth' 108}
.dual-box p{color:var(--muted);font-size:14.5px;line-height:1.68;margin-bottom:24px}
.btn{
  display:inline-flex;align-items:center;gap:11px;
  padding:14px 26px;border-radius:2px;font-size:14.5px;font-weight:530;
  letter-spacing:.02em;border:1px solid transparent;cursor:pointer;
  font-family:var(--display);transition:transform .25s var(--ease),background .25s,border-color .25s;
}
.btn-primary{background:var(--copper);color:var(--ink)}
.btn-primary:hover{background:var(--copper-bright)}
.btn-ghost{border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--copper)}

.single-cta{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:80px 0;margin-top:24px}
.single-box{max-width:var(--content-max);margin:0 auto;text-align:center}
.single-box .tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--copper);text-transform:uppercase;margin-bottom:16px;display:block}
.single-box h3{font-size:clamp(22px,3vw,30px);font-weight:620;margin-bottom:14px;font-variation-settings:'wdth' 110;letter-spacing:-.012em}
.single-box p{color:var(--muted);font-size:15.5px;line-height:1.7;margin:0 auto 30px;max-width:520px}

/* ============ FLUJO NUMERADO (casos) ============ */
.flow{counter-reset:fstep;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:36px 0}
@media(max-width:760px){.flow{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.flow{grid-template-columns:1fr}}
.fstep{background:var(--ink);padding:28px 24px 30px;transition:background .3s}
.fstep:hover{background:var(--surface)}
.fstep::before{
  counter-increment:fstep;content:counter(fstep,decimal-leading-zero);
  font-family:var(--mono);font-size:10.5px;color:var(--copper);letter-spacing:.14em;display:block;margin-bottom:16px;
}
.fstep h4{font-size:15.5px;font-weight:590;margin-bottom:8px;font-variation-settings:'wdth' 106}
.fstep p{color:var(--muted);font-size:13.5px;line-height:1.62;margin:0}

/* ============ ÍNDICES (/recursos/, /casos/) ============ */
.index-hero{padding:150px 0 64px}
.index-hero h1{font-size:clamp(34px,5.6vw,58px);font-weight:660;font-variation-settings:'wdth' 114;letter-spacing:-.02em;margin-bottom:22px;max-width:820px}
.index-hero p{color:var(--muted);font-size:17px;max-width:600px;line-height:1.72}
.piece-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.piece{
  display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center;
  padding:34px 0;border-bottom:1px solid var(--line);transition:padding-left .3s var(--ease);
}
.piece:hover{padding-left:10px}
.piece .num{font-family:var(--mono);font-size:11px;color:var(--faint);letter-spacing:.1em}
.piece h3{font-size:19px;font-weight:590;margin-bottom:6px;font-variation-settings:'wdth' 106}
.piece p{color:var(--muted);font-size:14px;line-height:1.6}
.piece .go{font-family:var(--mono);font-size:16px;color:var(--copper);transition:transform .3s var(--ease)}
.piece:hover .go{transform:translateX(4px)}
@media(max-width:640px){.piece{grid-template-columns:1fr auto;gap:8px}.piece .num{display:none}}

/* ============ FOOTER (idéntico a home) ============ */
footer{border-top:1px solid var(--line);padding:52px 0 46px;background:var(--ink)}
.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;font-family:var(--mono);font-size:11px;color:var(--faint);letter-spacing:.1em}
.foot-links{display:flex;gap:28px;flex-wrap:wrap}
.foot-links a{transition:color .25s}
.foot-links a:hover{color:var(--muted)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0ms!important}
}