/* ============================================================
   ARC TECHNOLOGY MÉXICO® — Sistema de diseño
   Concepto: plano de ingeniería editorial (papel / tinta / cobre)
   Mobile-first · WCAG AA · reduced-motion friendly
   ============================================================ */

/* ---------- Fuentes (auto-alojadas, ~85 KB) ---------- */
@font-face{font-family:'Archivo';src:url('../fonts/Archivo-var.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:'Instrument Serif';src:url('../fonts/InstrumentSerif-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Instrument Serif';src:url('../fonts/InstrumentSerif-400i.woff2') format('woff2');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url('../fonts/IBMPlexMono-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url('../fonts/IBMPlexMono-500.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}

/* ---------- Tokens ---------- */
:root{
  --paper:#F3F0E7;
  --paper-deep:#EBE7DA;
  --cream:#FBF9F2;
  --ink:#131C26;
  --ink-deep:#0A111B;
  --panel:#0E1828;
  --cobre:#E8842C;
  --cobre-hi:#F5A45C;
  --cobre-deep:#B95F12;
  --term:#4CC38A;
  --steel:#8CA3B8;

  --t1:var(--ink);
  --t2:#4E5964;
  --line:rgba(19,28,38,.16);
  --line-strong:rgba(19,28,38,.42);

  --dt:#E9EDF2;
  --dt2:#9AA7B5;
  --dline:rgba(233,237,242,.14);
  --dline-strong:rgba(233,237,242,.34);

  --f-sans:'Archivo',-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --f-serif:'Instrument Serif',Georgia,'Times New Roman',serif;
  --f-mono:'IBM Plex Mono','SF Mono',Consolas,monospace;

  --w:1180px;
  --pad:clamp(1.25rem,4vw,2.5rem);
  --sec:clamp(4.5rem,9vw,8rem);

  --grid-paper:rgba(19,28,38,.055);
  --grid-ink:rgba(233,237,242,.05);
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--f-sans);
  font-size:1.0625rem;line-height:1.65;
  color:var(--t1);background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
strong{font-weight:600}
::selection{background:var(--cobre);color:var(--ink-deep)}
:focus-visible{outline:2px solid var(--cobre);outline-offset:3px}

::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:var(--paper-deep)}
::-webkit-scrollbar-thumb{background:#B9B29E;border:3px solid var(--paper-deep);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:var(--cobre)}

.skip{position:absolute;left:-999px;top:.75rem;z-index:200;background:var(--ink-deep);color:var(--dt);padding:.6rem 1rem;font-family:var(--f-mono);font-size:.8rem}
.skip:focus{left:.75rem}

/* ---------- Utilidades ---------- */
.wrap{max-width:var(--w);margin-inline:auto;padding-inline:var(--pad)}

.kicker{
  font-family:var(--f-mono);font-size:.72rem;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--cobre-deep);
  display:flex;align-items:center;gap:.75rem;margin-bottom:1.4rem;
}
.kicker::before{content:"";width:2.25rem;height:1px;background:currentColor;flex:none}
.dark .kicker{color:var(--cobre-hi)}

.h1,.h2{font-weight:700;letter-spacing:-.03em;line-height:1.04;text-wrap:balance}
.h1{font-size:clamp(2.55rem,6.4vw,4.9rem)}
.h2{font-size:clamp(2.05rem,4.6vw,3.4rem)}
.serif{font-family:var(--f-serif);font-style:italic;font-weight:400;letter-spacing:0}
.accent{color:var(--cobre-deep)}
.dark .accent{color:var(--cobre-hi)}

.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);line-height:1.7;color:var(--t2);max-width:56ch;text-wrap:pretty}
.dark .lead{color:var(--dt2)}

.sec{padding-block:var(--sec);position:relative}
.sec-head{display:grid;gap:1.25rem;margin-bottom:clamp(2.5rem,5vw,4.25rem)}
@media(min-width:900px){.sec-head.split{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:end;gap:3rem}}

/* fondo retícula de plano */
.grid-bg{position:relative}
.grid-bg::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--grid-paper) 1px,transparent 1px),
                   linear-gradient(90deg,var(--grid-paper) 1px,transparent 1px);
  background-size:36px 36px;
  mask-image:linear-gradient(180deg,#000 45%,rgba(0,0,0,.55) 72%,transparent 96%);
  -webkit-mask-image:linear-gradient(180deg,#000 45%,rgba(0,0,0,.55) 72%,transparent 96%);
}
.dark.grid-bg::before{
  background-image:linear-gradient(var(--grid-ink) 1px,transparent 1px),
                   linear-gradient(90deg,var(--grid-ink) 1px,transparent 1px);
}
.grid-bg>*{position:relative}

/* cruces de plano */
.plus{position:absolute;top:1.4rem;left:1.4rem;width:15px;height:15px;pointer-events:none;opacity:.5}
.plus::before,.plus::after{content:"";position:absolute;background:currentColor}
.plus::before{left:50%;top:0;width:1px;height:100%}
.plus::after{top:50%;left:0;height:1px;width:100%}

.dark{background:var(--ink-deep);color:var(--dt)}
.dark .lead{color:var(--dt2)}
.dark ::selection{background:var(--cobre);color:var(--ink-deep)}

.mono{font-family:var(--f-mono)}
.idx{
  font-family:var(--f-mono);font-size:.75rem;color:var(--t2);letter-spacing:.14em;
  display:inline-flex;align-items:center;gap:.6rem;
}
.idx::before{content:"";width:.5rem;height:.5rem;background:var(--cobre);flex:none}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  min-height:3.25rem;padding:.9rem 1.7rem;
  font-weight:600;font-size:1rem;letter-spacing:.01em;
  border:1px solid var(--ink-deep);color:var(--ink-deep);background:transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn svg{flex:none}
.btn-primary{background:var(--cobre);border-color:var(--cobre);color:var(--ink-deep)}
.btn-primary:hover{background:var(--cobre-hi);border-color:var(--cobre-hi);transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink-deep)}
.btn-ink{background:var(--ink-deep);color:var(--dt)}
.btn-ink:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--cobre)}
.btn-ghost:hover{background:var(--ink-deep);color:var(--dt)}
.dark .btn-ghost{border-color:var(--dline-strong);color:var(--dt)}
.dark .btn-ghost:hover{background:var(--dt);color:var(--ink-deep);box-shadow:4px 4px 0 var(--cobre)}
.btn:active{transform:translate(0,0);box-shadow:none}

/* revelado al hacer scroll (solo con JS activo y movimiento permitido) */
@media (prefers-reduced-motion:no-preference){
  html.js .rv{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.22,.61,.36,1)}
  html.js .rv.in{opacity:1;transform:none}
  html.js .rv-d1{transition-delay:.08s}html.js .rv-d2{transition-delay:.16s}html.js .rv-d3{transition-delay:.24s}
}

/* ---------- Cabecera ---------- */
.topbar{
  background:color-mix(in srgb,var(--ink-deep) 88%,transparent);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  color:var(--dt2);font-family:var(--f-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
}
.topbar .wrap{display:flex;justify-content:space-between;gap:1rem;padding-block:.5rem}
.topbar b{color:var(--cobre-hi);font-weight:500}
.topbar .tb-r{display:none}
@media(min-width:760px){.topbar .tb-r{display:block}}

.hd{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb,var(--paper) 86%,transparent);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:border-color .25s ease;
}
.hd.scrolled{border-bottom-color:var(--line)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:4.5rem}

.logo{display:inline-flex;align-items:center;flex:none}
.logo img{height:38px;width:auto;display:block}
@media(min-width:760px){.logo img{height:44px}}

.nav-desktop{display:none}
@media(min-width:1000px){
  .nav-desktop{display:flex;align-items:center;gap:.4rem}
  .nav-desktop a{
    padding:.55rem .95rem;font-size:.95rem;font-weight:500;color:var(--t2);
    border-bottom:1px solid transparent;transition:color .15s ease;
  }
  .nav-desktop a:hover{color:var(--ink)}
  .nav-desktop a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--cobre)}
  .nav-desktop .btn{margin-left:.9rem;padding:.62rem 1.25rem;min-height:0;font-size:.92rem;color:var(--ink-deep)}
  .burger{display:none}
}

.burger{display:inline-flex;flex-direction:column;justify-content:center;gap:6px;width:44px;height:44px;align-items:center;border:1px solid var(--line-strong)}
.burger span{display:block;width:20px;height:2px;background:var(--ink);transition:transform .25s ease,opacity .2s ease}
.nav-open .burger span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-open .burger span:nth-child(2){opacity:0}
.nav-open .burger span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
@media(min-width:1000px){.burger{display:none}}

.mnav{
  position:fixed;inset:4.5rem 0 0 0;z-index:99;background:var(--ink-deep);color:var(--dt);
  padding:2rem var(--pad) 3rem;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.22,.61,.36,1);
  overflow-y:auto;
}
.nav-open .mnav{transform:none}
.mnav a.ml{
  font-size:clamp(1.9rem,7vw,2.6rem);font-weight:700;letter-spacing:-.02em;
  padding:1.1rem 0;border-bottom:1px solid var(--dline);
  display:flex;justify-content:space-between;align-items:center;
}
.mnav a.ml small{font-family:var(--f-mono);font-size:.7rem;color:var(--cobre-hi);letter-spacing:.2em}
.mnav a.ml:hover{color:var(--cobre-hi)}
.mnav .mnav-foot{margin-top:auto;padding-top:2.5rem;display:grid;gap:.6rem;font-family:var(--f-mono);font-size:.8rem;color:var(--dt2)}
.mnav .mnav-foot a{color:var(--cobre-hi)}
@media(prefers-reduced-motion:reduce){.mnav{transition:none}}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-color:var(--ink-deep);
  color:var(--dt);
  overflow:hidden;
}
/* video de fondo en bucle (el mp4 lleva un zoom Ken Burns de 8 s) */
.hero-video{
  position:absolute;inset:0;z-index:0;
  width:100%;height:100%;
  object-fit:cover;object-position:center right;
  pointer-events:none;
}
@media(max-width:767px){.hero-video{object-position:center center}}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background-image:linear-gradient(var(--grid-ink) 1px,transparent 1px),
                   linear-gradient(90deg,var(--grid-ink) 1px,transparent 1px);
  background-size:36px 36px;
  pointer-events:none;
  opacity:.75;
}
/* velo de legibilidad sobre el video */
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(90deg, rgba(10,17,27,0.94) 0%, rgba(10,17,27,0.88) 42%, rgba(10,17,27,0.45) 75%, rgba(10,17,27,0.62) 100%),
    radial-gradient(ellipse 80% 60% at 75% 40%, rgba(232,132,44,0.08) 0%, transparent 60%);
}
@media(max-width:767px){
  .hero::after{
    background:linear-gradient(180deg, rgba(10,17,27,0.92) 0%, rgba(10,17,27,0.85) 50%, rgba(10,17,27,0.94) 100%);
  }
}
.hero-arcs{position:absolute;right:-12%;top:-18%;width:min(60vw,720px);opacity:.6;pointer-events:none;z-index:2}
.hero .wrap{position:relative;z-index:2;padding-block:clamp(4rem,9vw,7.5rem) clamp(3rem,6vw,5rem);display:grid;gap:3.5rem}
.hero .wrap>*{min-width:0}
@media(min-width:1020px){.hero .wrap{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center;gap:4rem}}

.hero-kicker{
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--cobre-hi);display:inline-flex;align-items:center;gap:.7rem;
  border:1px solid var(--dline-strong);padding:.5rem .9rem;margin-bottom:1.8rem;
}
.hero-kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--term);animation:pulse 2.2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@media(prefers-reduced-motion:reduce){.hero-kicker .dot{animation:none}}

.hero h1{color:var(--dt);margin-bottom:1.5rem}
.hero h1 .serif{color:var(--cobre-hi)}
.hero .lead{color:var(--dt2)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.25rem}
.hero-proof{
  margin-top:2.75rem;padding-top:1.5rem;border-top:1px solid var(--dline);
  display:flex;flex-wrap:wrap;gap:.5rem 2rem;
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;color:var(--dt2);text-transform:uppercase;
}
.hero-proof li{display:flex;align-items:center;gap:.55rem}
.hero-proof li::before{content:"▸";color:var(--cobre)}

/* terminal */
.term{
  background:#070D16;border:1px solid var(--dline-strong);
  box-shadow:10px 10px 0 rgba(232,132,44,.14);
  font-family:var(--f-mono);font-size:.82rem;line-height:1.75;
  min-width:0;max-width:100%;
}
.term-bar{display:flex;align-items:center;gap:.5rem;padding:.7rem 1rem;border-bottom:1px solid var(--dline);color:var(--dt2);font-size:.72rem;letter-spacing:.08em}
.term-bar i{width:10px;height:10px;border-radius:50%;background:#2C3949}
.term-bar i:nth-child(1){background:#E5654E}.term-bar i:nth-child(2){background:#E8B23C}.term-bar i:nth-child(3){background:var(--term)}
.term-bar em{font-style:normal;margin-left:.5rem;color:var(--dt2)}
.term-body{padding:1.1rem 1.2rem 1.3rem;color:#B9C4D0;overflow-x:auto}
.term-body .ln{white-space:pre;display:block}
.term-body .ok{color:var(--term)}
.term-body .dim{color:#5A6878}
.term-body .hl{color:var(--cobre-hi)}
.typed{display:inline-block;color:var(--dt);overflow:hidden;vertical-align:bottom;white-space:nowrap}
@media(prefers-reduced-motion:no-preference){
  .typed{animation:typing 2.6s steps(28,end) .4s both}
  .caret{display:inline-block;width:.55em;height:1.05em;background:var(--cobre);vertical-align:text-bottom;animation:blink 1s steps(1) infinite;margin-left:1px}
}
@keyframes typing{from{max-width:0}to{max-width:100%}}
@keyframes blink{50%{opacity:0}}

/* ---------- Ticker de industrias ---------- */
.ticker{background:var(--cobre);color:var(--ink-deep);border-block:1px solid var(--ink-deep);overflow:hidden;position:relative}
.ticker-track{display:flex;width:max-content;animation:tick 42s linear infinite;padding-block:.85rem}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-track ul{display:flex;flex:none}
.ticker-track li{
  display:flex;align-items:center;gap:1.4rem;padding-inline:1.4rem;
  font-family:var(--f-mono);font-size:.78rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;white-space:nowrap;
}
.ticker-track li::after{content:"";width:7px;height:7px;background:var(--ink-deep);transform:rotate(45deg)}
@keyframes tick{to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.ticker-track{animation:none;flex-wrap:wrap;width:100%}}

/* ---------- Filas "Por qué ARC" ---------- */
.why-list{border-top:1px solid var(--line)}
.why-row{
  display:grid;grid-template-columns:1fr;gap:.6rem;
  padding:1.6rem .25rem;border-bottom:1px solid var(--line);
  position:relative;transition:background .2s ease,padding-left .2s ease;
}
.why-row:hover{background:var(--cream);padding-left:.9rem}
.why-num{font-family:var(--f-mono);font-size:.78rem;color:var(--cobre-deep);letter-spacing:.14em}
.why-row h3{font-size:1.35rem;font-weight:700;letter-spacing:-.015em}
.why-row p{color:var(--t2);max-width:62ch}
@media(min-width:880px){
  .why-row{grid-template-columns:6rem minmax(0,4.5fr) minmax(0,6fr);align-items:baseline;gap:2rem;padding-block:2.1rem}
  .why-row h3{font-size:1.55rem}
}

/* ---------- Lista de servicios ---------- */
.svc-list{border-top:1px solid var(--line)}
.svc{
  display:grid;grid-template-columns:1fr;gap:1rem;
  padding:1.9rem .25rem;border-bottom:1px solid var(--line);
  position:relative;transition:background .2s ease;
}
.svc:hover{background:var(--cream)}
.svc-top{display:flex;align-items:baseline;gap:1.2rem;flex-wrap:wrap}
.svc-no{font-family:var(--f-mono);font-size:.8rem;color:var(--cobre-deep)}
.svc h3{font-size:clamp(1.45rem,2.6vw,1.9rem);font-weight:700;letter-spacing:-.02em;transition:color .2s ease}
.svc:hover h3{color:var(--cobre-deep)}
.svc-ico{margin-left:auto;width:44px;height:44px;border:1px solid var(--line-strong);display:grid;place-items:center;color:var(--ink);transition:background .2s,color .2s,transform .2s}
.svc:hover .svc-ico{background:var(--ink-deep);color:var(--cobre-hi);transform:rotate(-8deg)}
.svc p{color:var(--t2);max-width:68ch}
.svc-tags{display:flex;flex-wrap:wrap;gap:.5rem}
.tag{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--line-strong);padding:.3rem .6rem;color:var(--t2)}
.svc-link{font-family:var(--f-mono);font-size:.78rem;color:var(--cobre-deep);display:inline-flex;gap:.5rem;align-items:center;letter-spacing:.08em;text-transform:uppercase}
.svc-link svg{transition:transform .2s ease}
.svc:hover .svc-link svg{transform:translateX(4px)}
@media(min-width:880px){
  .svc{grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:2.5rem;align-items:center;padding-block:2.4rem}
  .svc-detail p{margin-bottom:1rem}
}

/* ---------- Proceso ---------- */
.proc{display:grid;gap:0;counter-reset:step}
.proc-step{
  border-top:1px solid var(--dline);padding:1.7rem .25rem;
  display:grid;grid-template-columns:auto 1fr;gap:1.4rem;align-items:start;position:relative;
}
.proc-step:last-child{border-bottom:1px solid var(--dline)}
.proc-no{
  font-family:var(--f-mono);font-size:.72rem;color:var(--cobre-hi);letter-spacing:.1em;
  border:1px solid var(--dline-strong);padding:.45rem .7rem;white-space:nowrap;
}
.proc-step h3{font-size:1.3rem;font-weight:600;margin-bottom:.35rem;letter-spacing:-.01em}
.proc-step p{color:var(--dt2);font-size:.98rem;max-width:58ch}
.proc-out{font-family:var(--f-mono);font-size:.72rem;color:var(--term);margin-top:.6rem;display:block;letter-spacing:.06em}
@media(min-width:960px){
  .proc{grid-template-columns:repeat(5,1fr);gap:0}
  .proc-step{border-top:none;border-left:1px solid var(--dline);padding:2rem 1.6rem 1rem;grid-template-columns:1fr;gap:1rem}
  .proc-step:first-child{border-left:none;padding-left:.25rem}
  .proc-step::before{
    content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--dline);
  }
  .proc-step::after{
    content:"";position:absolute;top:-4px;left:-4.5px;width:8px;height:8px;border-radius:50%;
    background:var(--cobre);
  }
  .proc-step h3{font-size:1.15rem}
  .proc-step p{font-size:.9rem}
}

/* ---------- Cifras ---------- */
.stats{border-block:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:1fr 1fr}
.stat{padding:2.2rem 1rem;border-right:1px solid var(--line)}
.stat:last-child,.stat:nth-child(2n){border-right:none}
.stat b{display:block;font-size:clamp(2.4rem,5vw,3.8rem);font-weight:700;letter-spacing:-.04em;line-height:1;color:var(--ink)}
.stat b em{font-style:normal;color:var(--cobre-deep)}
.stat span{display:block;margin-top:.7rem;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--t2);line-height:1.6}
@media(min-width:880px){
  .stats .wrap{grid-template-columns:repeat(4,1fr)}
  .stat{padding:3rem 2rem}
  .stat:nth-child(2n){border-right:1px solid var(--line)}
  .stat:last-child{border-right:none}
}

/* ---------- Casos ---------- */
.case{
  display:grid;gap:2rem;padding-block:2.75rem;border-top:1px solid var(--line);align-items:center;
}
.case:last-child{border-bottom:1px solid var(--line)}
.case-info .idx{margin-bottom:1rem}
.case-info h3{font-size:clamp(1.5rem,2.8vw,2.1rem);font-weight:700;letter-spacing:-.02em;margin-bottom:.9rem}
.case-info p{color:var(--t2);max-width:60ch}
.case-kpis{display:flex;flex-wrap:wrap;gap:2rem;margin-top:1.5rem}
.case-kpis b{display:block;font-size:1.6rem;font-weight:700;letter-spacing:-.02em;color:var(--cobre-deep)}
.case-kpis span{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--t2)}
@media(min-width:960px){
  .case{grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:4rem;padding-block:3.5rem}
  .case:nth-child(even) .case-shot{order:-1}
}

/* marco de navegador */
.shot{
  background:var(--cream);border:1px solid var(--line-strong);
  box-shadow:10px 10px 0 rgba(19,28,38,.08);
}
.shot-bar{display:flex;align-items:center;gap:.45rem;padding:.6rem .9rem;border-bottom:1px solid var(--line)}
.shot-bar i{width:9px;height:9px;border-radius:50%;background:var(--paper-deep);border:1px solid var(--line)}
.shot-url{font-family:var(--f-mono);font-size:.66rem;color:var(--t2);border:1px solid var(--line);padding:.2rem .7rem;margin-left:.5rem;background:var(--paper)}
.shot svg{width:100%;height:auto}

/* ---------- FAQ ---------- */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:1.2rem;
  padding:1.4rem .25rem;font-weight:600;font-size:1.1rem;letter-spacing:-.01em;
  transition:color .15s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--cobre-deep)}
.faq .fx{
  margin-left:auto;flex:none;width:30px;height:30px;position:relative;color:var(--cobre-deep);
}
.faq .fx::before,.faq .fx::after{content:"";position:absolute;background:currentColor;top:50%;left:50%}
.faq .fx::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq .fx::after{width:2px;height:14px;transform:translate(-50%,-50%);transition:transform .25s ease}
.faq details[open] .fx::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq .fa{padding:0 .25rem 1.6rem;color:var(--t2);max-width:68ch}
.faq details[open] summary{color:var(--cobre-deep)}

/* ---------- CTA final ---------- */
.cta{position:relative;overflow:hidden}
.cta .wrap{position:relative;padding-block:clamp(5rem,10vw,8.5rem);display:grid;gap:3rem}
@media(min-width:960px){.cta .wrap{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center}}
.cta h2{color:var(--dt)}
.cta .serif{color:var(--cobre-hi)}
.cta-channels{display:grid;gap:1px;background:var(--dline);border:1px solid var(--dline)}
.cta-ch{background:var(--ink-deep);padding:1.3rem 1.5rem;display:flex;align-items:center;gap:1.1rem;transition:background .2s ease}
.cta-ch:hover{background:var(--panel)}
.cta-ch .ch-ico{width:44px;height:44px;flex:none;border:1px solid var(--dline-strong);display:grid;place-items:center;color:var(--cobre-hi)}
.cta-ch b{display:block;font-weight:600}
.cta-ch span{font-family:var(--f-mono);font-size:.78rem;color:var(--dt2)}
.cta-note{font-family:var(--f-mono);font-size:.72rem;color:var(--dt2);letter-spacing:.1em;text-transform:uppercase;margin-top:1.2rem;display:flex;gap:.6rem;align-items:center}
.cta-note::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--term)}

/* ---------- Pie ---------- */
.footer{background:var(--ink-deep);color:var(--dt2);border-top:1px solid var(--dline)}
.footer .wrap{padding-block:clamp(3.5rem,7vw,5.5rem) 2rem}
.f-grid{display:grid;gap:2.75rem;padding-bottom:3.5rem;border-bottom:1px solid var(--dline)}
@media(min-width:900px){.f-grid{grid-template-columns:minmax(0,5fr) repeat(3,minmax(0,2.2fr));gap:3rem}}
.f-brand p{font-size:.95rem;max-width:34ch;margin-top:1.2rem;color:var(--dt2)}
.f-brand .logo img{height:40px}
.f-slogan{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--cobre-hi);margin-top:1.1rem}

/* ---------- Ficha de inversión (renglones con guía punteada) ---------- */
.doc-row{display:flex;align-items:baseline;gap:.6rem}
.doc-row .doc-leader{flex:1;border-bottom:1px dotted var(--line-strong);transform:translateY(-4px);min-width:14px}
.doc-row b{font-family:var(--f-mono);font-weight:500;white-space:nowrap}
.doc-note{font-size:.78rem;color:var(--t2)}

.ficha{
  border:1px solid var(--line-strong);background:var(--cream);
  padding:1.6rem 1.6rem 1.4rem;display:grid;gap:.85rem;max-width:520px;
  box-shadow:8px 8px 0 rgba(19,28,38,.07);
}
.ficha .ficha-h{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cobre-deep);margin-bottom:.2rem}
.ficha .doc-row{font-size:.95rem;color:var(--ink)}
.ficha .doc-row b{font-size:1rem}

/* banda de inversión en portada */
.inv-band{border-block:1px solid var(--line);background:var(--paper-deep)}
.inv-band .wrap{display:grid;gap:2.25rem;padding-block:clamp(3rem,6vw,4.5rem)}
@media(min-width:960px){.inv-band .wrap{grid-template-columns:minmax(0,6fr) minmax(0,5fr);align-items:center;gap:4rem}}
.inv-figs{display:grid;gap:1.1rem;margin-top:1.75rem}
.inv-fig{display:grid;grid-template-columns:auto 1fr auto;gap:1.1rem;align-items:baseline;border-top:1px solid var(--line);padding-top:1.1rem}
.inv-fig b{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:700;letter-spacing:-.03em;white-space:nowrap}
.inv-fig b em{font-style:normal;font-size:.55em;color:var(--cobre-deep)}
.inv-fig span{font-size:.92rem;color:var(--t2)}
.inv-fig .tag{justify-self:end;align-self:center}

/* tarjetas de precio (página servicios) */
.price-grid{display:grid;gap:1.5rem}
@media(min-width:880px){.price-grid{grid-template-columns:1fr 1fr;gap:2rem}}
.price-card{border:1px solid var(--line-strong);background:var(--cream);padding:0;display:grid}
.price-card .pc-top{height:5px;background:var(--cobre)}
.price-card.pc-alt .pc-top{background:var(--ink-deep)}
.price-card .pc-body{padding:clamp(1.6rem,3vw,2.4rem);display:grid;gap:1.15rem;align-content:start}
.price-card .pc-kicker{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cobre-deep)}
.price-card.pc-alt .pc-kicker{color:var(--t2)}
.price-card .pc-fig{display:flex;align-items:baseline;gap:.55rem}
.price-card .pc-fig b{font-size:clamp(2.3rem,4.5vw,3rem);font-weight:700;letter-spacing:-.04em;line-height:1}
.price-card .pc-fig span{font-size:.95rem;color:var(--t2)}
.price-card .pc-meta{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--t2);margin-top:-.6rem}
.price-card ul{border-top:1px solid var(--line);padding-top:1.15rem;display:grid;gap:.7rem}
.price-card li{display:flex;gap:.65rem;align-items:baseline;font-size:.95rem;color:var(--ink)}
.price-card li::before{content:"✓";color:var(--cobre-deep);font-weight:700;flex:none}

/* comparativa dolor/solución */
.compare{display:grid;gap:1.5rem}
@media(min-width:880px){.compare{grid-template-columns:1fr 1fr;gap:2rem}}
.cmp{border:1px solid var(--line);padding:clamp(1.6rem,3vw,2.3rem);background:var(--paper)}
.cmp-dark{background:var(--ink-deep);border-color:var(--ink-deep);color:var(--dt);position:relative}
.cmp-dark::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--cobre)}
.cmp .cmp-h{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:1.1rem;color:var(--t2)}
.cmp-dark .cmp-h{color:var(--cobre-hi)}
.cmp p{color:var(--t2);font-size:.97rem;margin-bottom:1.2rem;max-width:52ch}
.cmp-dark p{color:var(--dt2)}
.cmp ul{display:grid;gap:.75rem}
.cmp li{display:flex;gap:.7rem;align-items:baseline;font-size:.95rem;color:var(--ink)}
.cmp-dark li{color:var(--dt)}
.cmp li.no::before{content:"✕";color:#A44A3A;font-weight:700;flex:none}
.cmp li.si::before{content:"✓";color:var(--term);font-weight:700;flex:none}
.cmp li.si{color:var(--dt)}

/* partidas numeradas del paquete */
.parts{display:grid;gap:0;border-top:1px solid var(--line);counter-reset:pt}
@media(min-width:760px){.parts{grid-template-columns:1fr 1fr;column-gap:3rem}}
.part{display:flex;gap:1rem;align-items:baseline;padding:1.05rem .25rem;border-bottom:1px solid var(--line)}
.part i{font-style:normal;font-family:var(--f-mono);font-size:.72rem;color:var(--cobre-deep);flex:none}
.part div b{display:block;font-weight:600;font-size:.98rem}
.part div span{font-size:.85rem;color:var(--t2)}

/* diagrama de arquitectura */
.arch{border:1px solid var(--line-strong);background:var(--cream);box-shadow:8px 8px 0 rgba(19,28,38,.07);padding:clamp(1.4rem,3vw,2.2rem)}
.arch svg{width:100%;height:auto}
.arch .arch-cap{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--t2);margin-bottom:1.2rem}

.f-coords{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.12em;color:#8A94A3;margin-top:1.6rem;line-height:2}
.f-col h3{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cobre-hi);margin-bottom:1.3rem;font-weight:500}
.f-col ul{display:grid;gap:.65rem}
.f-col a{font-size:.95rem;color:var(--dt2);transition:color .15s ease}
.f-col a:hover{color:var(--dt)}
.f-bottom{display:flex;flex-wrap:wrap;gap:.75rem 2rem;justify-content:space-between;padding-top:1.75rem;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;color:#8A94A3;text-transform:uppercase}
.f-bottom a:hover{color:var(--cobre-hi)}

/* ---------- WhatsApp flotante ---------- */
.waf{
  position:fixed;right:1.1rem;bottom:1.1rem;z-index:90;
  width:56px;height:56px;border-radius:50%;
  background:#25D366;color:#fff;
  display:grid;place-items:center;
  box-shadow:0 4px 10px rgba(10,17,27,.28),0 2px 18px rgba(37,211,102,.38);
  transition:transform .22s cubic-bezier(.34,1.56,.64,1),background .2s ease,box-shadow .2s ease;
}
.waf svg{width:30px;height:30px}
.waf:hover{background:#1FB857;transform:translateY(-3px) scale(1.06);box-shadow:0 8px 16px rgba(10,17,27,.3),0 4px 24px rgba(37,211,102,.5)}
.waf:active{transform:scale(.96)}
/* anillo de pulso que emana del botón */
.waf::after{
  content:"";position:absolute;inset:0;border-radius:50%;
  border:2px solid #25D366;pointer-events:none;
}
@media(prefers-reduced-motion:no-preference){
  .waf::after{animation:waf-pulse 2.4s ease-out infinite}
  html.js .waf{animation:waf-in .55s cubic-bezier(.34,1.56,.64,1) .9s backwards}
}
@keyframes waf-pulse{
  0%{transform:scale(1);opacity:.65}
  70%,100%{transform:scale(1.7);opacity:0}
}
@keyframes waf-in{
  from{transform:translateY(18px) scale(.5);opacity:0}
  to{transform:none;opacity:1}
}

/* ---------- Subpáginas: cabecera ---------- */
.page-hero{
  background-color:var(--ink-deep);
  color:var(--dt);
  position:relative;
  overflow:hidden;
  background-position:center right;
  background-size:cover;
  background-repeat:no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--grid-ink) 1px,transparent 1px),linear-gradient(90deg,var(--grid-ink) 1px,transparent 1px);
  background-size:36px 36px;
  pointer-events:none;
  opacity:.75;
}
.page-hero .wrap{position:relative;padding-block:clamp(3.5rem,7vw,6rem)}
.crumb{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--dt2);display:flex;gap:.7rem;margin-bottom:1.6rem;flex-wrap:wrap}
.crumb a:hover{color:var(--cobre-hi)}
.crumb .sep{color:var(--cobre)}
.page-hero h1{color:var(--dt);margin-bottom:1.2rem}
.page-hero .serif{color:var(--cobre-hi)}

/* Fondos únicos por subpágina con overlays de legibilidad */
body[data-page="servicios"] .page-hero{
  background-image:
    linear-gradient(90deg, rgba(10,17,27,0.95) 0%, rgba(10,17,27,0.88) 45%, rgba(10,17,27,0.52) 80%, rgba(10,17,27,0.7) 100%),
    url('../img/hero-servicios.webp');
}
body[data-page="nosotros"] .page-hero{
  background-image:
    linear-gradient(90deg, rgba(10,17,27,0.95) 0%, rgba(10,17,27,0.88) 45%, rgba(10,17,27,0.52) 80%, rgba(10,17,27,0.7) 100%),
    url('../img/hero-nosotros.webp');
}
body[data-page="contacto"] .page-hero{
  background-image:
    linear-gradient(90deg, rgba(10,17,27,0.95) 0%, rgba(10,17,27,0.88) 45%, rgba(10,17,27,0.52) 80%, rgba(10,17,27,0.7) 100%),
    url('../img/hero-contacto.webp');
}
body[data-page="legal"] .page-hero{
  background-image:
    linear-gradient(90deg, rgba(10,17,27,0.95) 0%, rgba(10,17,27,0.88) 45%, rgba(10,17,27,0.52) 80%, rgba(10,17,27,0.7) 100%),
    url('../img/hero-privacidad.webp');
}

@media(max-width:767px){
  body[data-page="servicios"] .page-hero{
    background-image:linear-gradient(180deg, rgba(10,17,27,0.94) 0%, rgba(10,17,27,0.84) 60%, rgba(10,17,27,0.95) 100%), url('../img/hero-servicios.webp');
    background-position:center center;
  }
  body[data-page="nosotros"] .page-hero{
    background-image:linear-gradient(180deg, rgba(10,17,27,0.94) 0%, rgba(10,17,27,0.84) 60%, rgba(10,17,27,0.95) 100%), url('../img/hero-nosotros.webp');
    background-position:center center;
  }
  body[data-page="contacto"] .page-hero{
    background-image:linear-gradient(180deg, rgba(10,17,27,0.94) 0%, rgba(10,17,27,0.84) 60%, rgba(10,17,27,0.95) 100%), url('../img/hero-contacto.webp');
    background-position:center center;
  }
  body[data-page="legal"] .page-hero{
    background-image:linear-gradient(180deg, rgba(10,17,27,0.94) 0%, rgba(10,17,27,0.84) 60%, rgba(10,17,27,0.95) 100%), url('../img/hero-privacidad.webp');
    background-position:center center;
  }
}

/* ---------- Página servicios: modelos ---------- */
.models{display:grid;gap:1px;background:var(--dline);border:1px solid var(--dline)}
@media(min-width:960px){.models{grid-template-columns:repeat(3,1fr)}}
.model{background:var(--ink-deep);padding:2.2rem 1.8rem;display:grid;gap:1rem;align-content:start;transition:background .2s ease}
.model:hover{background:var(--panel)}
.model .tag{border-color:var(--dline-strong);color:var(--cobre-hi);justify-self:start}
.model h3{font-size:1.35rem;font-weight:700;letter-spacing:-.015em;color:var(--dt)}
.model p{color:var(--dt2);font-size:.95rem}
.model ul{display:grid;gap:.5rem;margin-top:.4rem}
.model li{font-size:.9rem;color:var(--dt2);display:flex;gap:.6rem}
.model li::before{content:"▸";color:var(--cobre);flex:none}

.stack-note{border:1px solid var(--line);background:var(--cream);padding:clamp(1.5rem,4vw,2.5rem)}
.stack-grid{display:grid;gap:1.75rem;margin-top:1.75rem}
@media(min-width:760px){.stack-grid{grid-template-columns:repeat(2,1fr)}}
.stack-col h3{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cobre-deep);margin-bottom:.9rem}
.stack-col p{color:var(--t2);font-size:.95rem}

/* ---------- Nosotros ---------- */
.timeline{border-top:1px solid var(--line)}
.tl{display:grid;grid-template-columns:1fr;gap:.5rem 2rem;padding:1.6rem .25rem;border-bottom:1px solid var(--line)}
.tl-era{font-family:var(--f-mono);font-size:.78rem;color:var(--cobre-deep);letter-spacing:.12em}
.tl h3{font-size:1.25rem;font-weight:700;letter-spacing:-.01em}
.tl p{color:var(--t2);font-size:.95rem;max-width:64ch}
@media(min-width:880px){.tl{grid-template-columns:11rem minmax(0,5fr) minmax(0,6fr);align-items:baseline;padding-block:2rem}}
.values{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
@media(min-width:760px){.values{grid-template-columns:repeat(3,1fr)}}
.value{background:var(--paper);padding:1.9rem 1.6rem}
.value b{display:block;font-size:1.15rem;font-weight:700;margin-bottom:.5rem;letter-spacing:-.01em}
.value b::before{content:"—";color:var(--cobre-deep);margin-right:.55rem}
.value p{color:var(--t2);font-size:.93rem}

/* ---------- Contacto ---------- */
.contact-grid{display:grid;gap:3rem}
@media(min-width:960px){.contact-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:4.5rem}}
.form{display:grid;gap:1.4rem}
.f-row{display:grid;gap:1.4rem}
@media(min-width:640px){.f-row{grid-template-columns:1fr 1fr}}
.field{display:grid;gap:.45rem}
.field label{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--t2)}
.field label b{color:var(--cobre-deep)}
.field input,.field select,.field textarea{
  font:inherit;color:var(--ink);background:var(--cream);
  border:1px solid var(--line-strong);padding:.85rem 1rem;min-height:3.1rem;width:100%;
  transition:border-color .15s ease,box-shadow .15s ease;border-radius:0;
}
.field textarea{min-height:9rem;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cobre);box-shadow:3px 3px 0 rgba(232,132,44,.25)}
.field .hint{font-size:.78rem;color:var(--t2)}
.form-note{font-size:.8rem;color:var(--t2);display:flex;gap:.6rem}
.form-note::before{content:"🔒";font-size:.8rem}
.form-actions{display:flex;flex-wrap:wrap;gap:1rem}

/* insignia de reCAPTCHA v3 oculta (su uso se declara en el aviso de privacidad) */
.grecaptcha-badge{visibility:hidden}

/* honeypot antispam: oculto para personas, visible para bots (sin estilo inline por la CSP) */
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}

/* ---------- Modal de confirmación de envío ---------- */
.modal{position:fixed;inset:0;z-index:150;display:none;align-items:center;justify-content:center;padding:1.25rem}
.modal.open{display:flex}
.modal-scrim{position:absolute;inset:0;background:rgba(10,17,27,.62);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.modal-card{
  position:relative;background:var(--cream);border:1px solid var(--line-strong);
  box-shadow:10px 10px 0 rgba(10,17,27,.22);
  max-width:460px;width:100%;max-height:calc(100vh - 2.5rem);overflow-y:auto;
}
.modal-top{display:block;height:5px;background:var(--cobre)}
.modal-body{padding:1.9rem 1.9rem 1.7rem}
.modal-ico{width:46px;height:46px;border:1px solid var(--cobre-deep);color:var(--cobre-deep);display:grid;place-items:center;margin-bottom:1.1rem}
.modal-body h3{font-size:1.5rem;font-weight:700;letter-spacing:-.02em;margin-bottom:.5rem}
.modal-body>p{color:var(--t2);font-size:.98rem}
.modal-actions{display:grid;gap:.7rem;margin-top:1.4rem}
.btn-wa{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  min-height:3.1rem;padding:.85rem 1.4rem;text-align:center;
  background:#25D366;border:1px solid #25D366;color:var(--ink-deep);font-weight:600;
  transition:background .2s ease,transform .18s ease;
}
.btn-wa svg{flex:none}
.btn-wa:hover{background:#1FB857;border-color:#1FB857;transform:translateY(-2px)}
.btn-wa:active{transform:none}
.modal-note{margin-top:1rem;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--t2)}
@media(prefers-reduced-motion:no-preference){
  .modal.open .modal-card{animation:modal-in .32s cubic-bezier(.22,.61,.36,1)}
}
@keyframes modal-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@media(max-width:520px){.modal{padding:.9rem}}

.side-card{border:1px solid var(--line);background:var(--cream)}
.side-card .sc-h{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cobre-deep);padding:1.1rem 1.4rem;border-bottom:1px solid var(--line)}
.side-card .sc-b{padding:1.4rem;display:grid;gap:1.1rem}
.side-card .sc-b p{font-size:.93rem;color:var(--t2)}
.next-steps{counter-reset:ns}
.next-steps li{display:flex;gap:1rem;padding:.9rem 0;border-bottom:1px dashed var(--line);font-size:.93rem;color:var(--t2)}
.next-steps li:last-child{border-bottom:none}
.next-steps li::before{
  counter-increment:ns;content:"0" counter(ns);
  font-family:var(--f-mono);font-size:.75rem;color:var(--cobre-deep);flex:none;padding-top:.15rem;
}
.contact-quick{display:grid;gap:.9rem}
.contact-quick a{display:flex;gap:.9rem;align-items:center;font-size:.95rem;color:var(--ink)}
.contact-quick a b{display:block;font-size:.72rem;font-family:var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--t2)}
.contact-quick .ch-ico{width:40px;height:40px;border:1px solid var(--line-strong);display:grid;place-items:center;color:var(--cobre-deep);flex:none}
.contact-quick a:hover .ch-ico{background:var(--ink-deep);color:var(--cobre-hi)}

/* ---------- 404 ---------- */
.err{min-height:70vh;display:grid;place-items:center;text-align:center}
.err .wrap{padding-block:clamp(4rem,10vw,7rem)}
.err-code{font-family:var(--f-mono);font-size:clamp(4rem,14vw,9rem);font-weight:700;letter-spacing:-.04em;line-height:1;color:var(--cobre)}
.err h1{margin:1rem 0 1.2rem}

/* ---------- Página privacidad ---------- */
.legal{max-width:760px}
.legal h2{font-size:1.35rem;margin:2.5rem 0 .9rem;letter-spacing:-.01em}
.legal h2:first-child{margin-top:0}
.legal p,.legal li{color:var(--t2);margin-bottom:.8rem;font-size:.98rem}
.legal ul{list-style:disc;padding-left:1.4rem}
.legal .upd{font-family:var(--f-mono);font-size:.72rem;color:var(--t2);letter-spacing:.1em;text-transform:uppercase;margin-bottom:2rem}