/* ==========================================================================
   Pablo Aranda — Ingeniería
   1. Fuentes y variables   2. Base   3. Componentes   4. Encabezado
   5. Secciones             6. Pie    7. Página legal  8. Movimiento
   ========================================================================== */

/* 1. Fuentes y variables --------------------------------------------------- */
@font-face{
  font-family:"Geist";
  src:url("../assets/fonts/geist-latin.woff2") format("woff2");
  font-weight:300 700;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"Geist Mono";
  src:url("../assets/fonts/geist-mono-latin.woff2") format("woff2");
  font-weight:400 500;
  font-style:normal;
  font-display:swap;
}

:root{
  --ink:#0b0c0d;
  --graphite:#141617;
  --graphite-2:#1b1e20;
  --rule-dark:#2b2f32;
  --rule-dark-2:#3d4246;
  --paper:#f5f5f3;
  --paper-2:#ebecea;
  --white:#fff;
  --rule:#d2d4d4;
  --text:#121314;
  --muted:#575b5f;
  --on-dark:#f1f1ef;
  --muted-dark:#a0a5a9;
  --silver:#c6cacd;
  --accent:#e2592f;

  --sans:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:"Geist Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;

  /* Escala tipográfica */
  --fs-micro:11px;
  --fs-label:12px;
  --fs-ui:13px;
  --fs-small:14px;
  --fs-card:15px;
  --fs-body:16px;
  --fs-h3:17px;
  --fs-lg:18px;
  --fs-xl:20px;

  --gutter:clamp(20px,4vw,40px);
  --section:clamp(72px,10vw,132px);
  --header-h:68px;
}

/* 2. Base ------------------------------------------------------------------ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:var(--fs-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
img{height:auto}
h1,h2,h3,p,ul,ol,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
::selection{background:var(--ink);color:var(--paper)}

.container{width:100%;max-width:1240px;margin-inline:auto;padding-inline:var(--gutter)}

.skip-link{
  position:absolute;left:var(--gutter);top:-100px;z-index:100;
  padding:12px 16px;background:var(--white);color:var(--ink);
  font-size:var(--fs-small);font-weight:500;
}
.skip-link:focus{top:12px}

h1,h2{
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:-.025em;
  line-height:1.02;
  text-wrap:balance;
}
h1{font-size:clamp(34px,3.75vw,48px);letter-spacing:-.035em;line-height:1.04}
h1 .h-soft{display:block}
h2{font-size:clamp(28px,3.7vw,48px)}
h3{font-size:var(--fs-h3);font-weight:600;letter-spacing:-.01em;line-height:1.3}
.h-soft{color:var(--muted)}
.section-dark .h-soft{color:#8d9296}
.hero .h-soft{color:#a9aeb2}

.eyebrow,.idx,.list-title{
  font-family:var(--mono);
  font-size:var(--fs-label);
  font-weight:500;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:20px;color:var(--muted)}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor;flex:none}
.idx{color:var(--muted);letter-spacing:.08em}
.list-title{color:var(--muted);margin-bottom:8px}
.lead{font-size:clamp(17px,1.5vw,19px);line-height:1.55;color:var(--muted);max-width:56ch}

/* 3. Componentes ----------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:52px;padding:0 26px;
  border:1px solid transparent;border-radius:2px;
  font-family:var(--mono);font-size:var(--fs-ui);font-weight:500;
  letter-spacing:.08em;text-transform:uppercase;text-decoration:none;text-align:center;
  cursor:pointer;
  transition:background-color .2s,border-color .2s,color .2s;
}
.btn-sm{min-height:42px;padding:0 18px;font-size:var(--fs-label)}
.btn-block{width:100%}
.btn-light{background:var(--on-dark);color:var(--ink)}
.btn-light:hover{background:var(--silver)}
.btn-outline{border-color:var(--rule-dark-2);color:var(--on-dark)}
.btn-outline:hover{border-color:var(--silver)}

.link-arrow{
  display:inline-flex;align-items:center;gap:10px;
  padding-bottom:5px;border-bottom:1px solid currentColor;
  font-family:var(--mono);font-size:var(--fs-ui);font-weight:500;letter-spacing:.06em;
  text-decoration:none;
}
.link-arrow svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.5;transition:transform .2s}
.link-arrow:hover svg{transform:translateX(3px)}

/* 4. Encabezado ------------------------------------------------------------ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,12,13,.92);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--rule-dark);
  color:var(--on-dark);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:var(--header-h)}

.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:none}
.brand-mark{
  position:relative;width:26px;height:26px;border:1px solid var(--silver);flex:none;
}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;background:var(--silver)}
.brand-mark::before{left:6px;right:6px;top:50%;height:1px}
.brand-mark::after{width:5px;height:5px;right:4px;top:calc(50% - 2.5px);background:var(--accent)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:var(--fs-card);font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.brand-role{font-family:var(--mono);font-size:var(--fs-micro);letter-spacing:.1em;text-transform:uppercase;color:var(--muted-dark);margin-top:3px}

.header-cta{display:none}
.nav{display:flex;align-items:center;gap:28px}
.nav-list{display:flex;align-items:center;gap:24px}
.nav-list a{
  display:block;padding:8px 0;
  font-size:var(--fs-small);color:var(--muted-dark);text-decoration:none;white-space:nowrap;
  transition:color .2s;
}
.nav-list a:hover,.nav-list a[aria-current="true"]{color:var(--on-dark)}

.menu-toggle{
  display:none;align-items:center;gap:12px;
  min-height:44px;padding:0 0 0 12px;
  background:none;border:0;cursor:pointer;color:var(--on-dark);
}
.menu-toggle-label{font-family:var(--mono);font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase}
.menu-toggle-icon{display:grid;gap:6px;width:22px}
.menu-toggle-icon span{height:1px;background:currentColor;transition:transform .2s}
.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:first-child{transform:translateY(3.5px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

@media (max-width:1100px){
  .header-inner{gap:16px}
  .header-cta{display:inline-flex;margin-left:auto;min-height:38px;padding:0 14px}
  .menu-toggle{display:inline-flex;padding-left:0}
  .nav{
    display:none;
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:24px;
    max-height:calc(100dvh - var(--header-h));overflow-y:auto;
    padding:8px var(--gutter) 28px;
    background:var(--ink);border-bottom:1px solid var(--rule-dark);
  }
  .nav.is-open{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list a{padding:16px 0;border-bottom:1px solid var(--rule-dark);font-size:var(--fs-h3);color:var(--on-dark)}
  .nav-cta{min-height:52px}
}

/* 5. Secciones ------------------------------------------------------------- */
.section{padding-block:var(--section)}
.section-tint{background:var(--paper-2)}
.section-dark{background:var(--ink);color:var(--on-dark)}
.section-dark .eyebrow,.section-dark .idx,.section-dark .list-title,.section-dark .lead{color:var(--muted-dark)}

.section-head{
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  gap:32px 72px;align-items:end;
  margin-bottom:clamp(40px,5vw,64px);
}
.split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px 88px;align-items:start}
.split-aside .lead{margin-top:24px}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--on-dark);
  padding-top:clamp(44px,5vw,72px);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 90% at 80% 30%,#000 0,transparent 75%);
          mask-image:radial-gradient(120% 90% at 80% 30%,#000 0,transparent 75%);
}
.hero .container{position:relative}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  gap:40px 56px;align-items:center;
}
.hero .eyebrow{color:var(--muted-dark)}
.hero-lead{margin-top:24px;font-size:clamp(16px,1.35vw,18px);line-height:1.6;color:var(--muted-dark);max-width:52ch}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

.hero-visual{justify-self:end;width:100%;max-width:440px}
.diagram{width:100%;height:auto;font-family:var(--mono)}
.diagram rect,.diagram circle,.diagram path{vector-effect:non-scaling-stroke}
.d-wires path{fill:none;stroke:var(--rule-dark-2);stroke-width:1}
.d-flow path{fill:none;stroke:var(--silver);stroke-width:1;stroke-dasharray:3 15;animation:flow 2.4s linear infinite}
.d-box rect{fill:var(--graphite);stroke:var(--rule-dark-2)}
.d-label text{fill:var(--silver);font-size:11.5px;letter-spacing:.12em;text-anchor:middle}
.d-frame{fill:var(--graphite);stroke:#5a6065}
.d-line{fill:none;stroke:var(--rule-dark)}
.d-title{fill:var(--muted-dark);font-size:10px;letter-spacing:.14em;text-anchor:end}
.d-dim,.d-dim rect{fill:#3a3f43}
.d-solid{fill:var(--silver)}
.d-accent{fill:var(--accent)}
.d-outline{fill:none;stroke:var(--rule-dark-2)}
.d-node,.d-node circle{fill:var(--graphite);stroke:#70767b}
.d-node.is-on{fill:var(--accent);stroke:var(--accent)}
.d-bars rect{fill:#4a5055}
.d-bars rect:last-child{fill:var(--silver)}
.d-trend{fill:none;stroke:#70767b}
.d-joint circle{fill:var(--ink);stroke:var(--silver)}
@keyframes flow{to{stroke-dashoffset:-18}}

.hero-scope{
  display:flex;flex-wrap:wrap;gap:10px 36px;
  margin-top:clamp(36px,4vw,52px);padding-block:20px;
  border-top:1px solid var(--rule-dark);
  font-family:var(--mono);font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;color:var(--muted-dark);
}
.hero-scope li{display:flex;align-items:center;gap:10px}
.hero-scope li::before{content:"";width:5px;height:5px;border:1px solid currentColor}

/* Escritorio: el hero llena la primera pantalla bajo el encabezado (68px + 1px de borde) */
@media (min-width:1024px){
  .hero{
    display:flex;flex-direction:column;
    min-height:min(calc(100svh - var(--header-h) - 1px),1040px);
    padding-bottom:28px;
  }
  .hero-grid{flex:1;align-content:center}
}

/* Problema */
.statement{
  margin-top:32px;padding-top:24px;border-top:1px solid var(--rule);
  font-size:var(--fs-xl);font-weight:500;line-height:1.4;max-width:34ch;
}
.signal-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px;border-top:1px solid var(--text)}
.signal-list li{display:grid;grid-template-columns:34px 1fr;gap:8px;padding:22px 0;border-bottom:1px solid var(--rule)}
.signal-list .idx{padding-top:3px}
.signal-list p{margin-top:6px;font-size:var(--fs-card);color:var(--muted)}

/* Servicios */
.service-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--rule);border-left:1px solid var(--rule);
}
.service{
  position:relative;display:flex;flex-direction:column;
  padding:28px 26px 32px;min-height:264px;
  background:var(--paper);
  border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);
  transition:background-color .2s;
}
.service:hover{background:var(--white)}
.glyph{width:32px;height:32px;margin:26px 0 22px;fill:none;stroke:var(--text);stroke-width:1}
.service p{margin-top:10px;font-size:var(--fs-card);color:var(--muted)}

/* Enfoque */
.equation{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:40px}
.equation li{
  display:flex;align-items:center;gap:14px;
  font-family:var(--mono);font-size:var(--fs-ui);letter-spacing:.12em;text-transform:uppercase;
}
.equation li::before{content:"+";color:var(--muted-dark)}
.equation li:first-child::before{content:none}
.equation span{padding:11px 16px;border:1px solid var(--rule-dark-2)}

.check-list{border-top:1px solid var(--rule-dark-2)}
.check-list li{
  display:grid;grid-template-columns:44px 1fr;align-items:baseline;
  padding:18px 0;border-bottom:1px solid var(--rule-dark);
  font-size:var(--fs-lg);
}
.list-title + .check-list{margin-top:16px}

.pull{
  margin-top:clamp(56px,8vw,96px);padding-top:clamp(32px,4vw,48px);
  border-top:1px solid var(--rule-dark);
}
.pull p{
  position:relative;padding-left:28px;
  font-size:clamp(24px,3.2vw,40px);font-weight:500;line-height:1.18;letter-spacing:-.02em;
  max-width:26ch;text-wrap:balance;
}
.pull p::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:2px;background:var(--accent)}

/* Método */
.steps{display:grid;grid-template-columns:repeat(6,minmax(0,1fr))}
.step{position:relative;padding:34px 20px 0 0;border-top:1px solid var(--text)}
.step::before{
  content:"";position:absolute;left:0;top:-5px;width:9px;height:9px;
  background:var(--paper);border:1px solid var(--text);
}
.step:last-child::before{background:var(--text)}
.step h3{margin-top:14px;font-size:var(--fs-xl)}
.step p{margin-top:8px;font-size:var(--fs-card);color:var(--muted)}

/* Soluciones */
.process-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--rule);border-left:1px solid var(--rule);
}
.process-grid li{padding:22px 22px 24px;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);background:var(--paper)}
.process-grid h3{font-family:var(--mono);font-size:var(--fs-ui);font-weight:500;letter-spacing:.12em;text-transform:uppercase}
.process-grid p{margin-top:8px;font-size:var(--fs-card);color:var(--muted)}

.sectors{
  display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:20px 56px;align-items:baseline;
  margin-top:40px;
}
.sectors-note{font-size:var(--fs-card);color:var(--muted)}
.sectors-list{display:flex;flex-wrap:wrap;gap:6px 22px;font-family:var(--mono);font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* Comparativa */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border:1px solid var(--rule-dark-2)}
.compare-col{padding:clamp(24px,3.4vw,44px)}
.compare-col + .compare-col{border-left:1px solid var(--rule-dark-2)}
.compare-col.is-main{background:var(--graphite-2)}
.compare-col h3{font-size:var(--fs-xl);font-weight:500;line-height:1.3;max-width:22ch;color:var(--muted-dark)}
.compare-col.is-main h3{color:var(--on-dark)}
.compare-col ul{margin-top:24px;border-top:1px solid var(--rule-dark)}
.compare-col li{
  position:relative;padding:14px 0 14px 22px;border-bottom:1px solid var(--rule-dark);
  line-height:26px;
  color:var(--muted-dark);
}
.compare-col.is-main li{color:var(--on-dark)}
.compare-col li::before{content:"";position:absolute;left:0;top:27px;width:10px;height:1px;background:currentColor}
.compare-col.is-main li::before{background:var(--accent)}
.compare-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px 40px;margin-top:36px}
.compare-foot p{color:var(--muted-dark);max-width:48ch}

/* Experiencia */
.exp-areas{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--rule);border-left:1px solid var(--rule);
}
.exp-areas li{padding:24px 24px 28px;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.exp-areas h3{margin-top:18px}
.exp-areas p{margin-top:8px;font-size:var(--fs-card);color:var(--muted)}

/* Sobre mí */
.about{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:48px 88px;align-items:center}
.about-photo{position:relative;max-width:420px}
.about-photo img{width:100%;aspect-ratio:4/5;object-fit:cover;filter:grayscale(1) contrast(1.04);border:1px solid var(--rule)}
.about-photo figcaption{margin-top:12px;font-family:var(--mono);font-size:var(--fs-label);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.about-copy .lead{margin-top:24px;color:var(--text);max-width:60ch}
.about-copy > p:not(.lead):not(.eyebrow){margin-top:18px;color:var(--muted);max-width:60ch}
.traits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:36px;padding-top:28px;border-top:1px solid var(--rule)}
.traits li{display:flex;flex-direction:column;gap:6px}
.traits strong{font-size:var(--fs-card);font-weight:600}
.traits span{font-size:var(--fs-card);color:var(--muted)}

/* Preguntas */
.split-faq .link-arrow{margin-top:28px}
.faq{border-top:1px solid var(--text)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{
  position:relative;display:block;list-style:none;cursor:pointer;
  padding:22px 48px 22px 0;
  font-size:var(--fs-lg);font-weight:500;line-height:1.35;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before,.faq summary::after{
  content:"";position:absolute;right:6px;top:50%;width:15px;height:1px;background:currentColor;
  transition:transform .2s;
}
.faq summary::after{transform:rotate(90deg)}
.faq details[open] summary::after{transform:rotate(0)}
.faq summary:hover{color:var(--muted)}
.faq details p{padding:0 48px 26px 0;color:var(--muted);max-width:68ch}
.faq details a{color:var(--text)}

/* Contacto */
.contact{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px 88px;align-items:start}
.contact-copy .lead{margin-top:24px}
.channels{margin-top:40px}
.channel{
  display:flex;justify-content:space-between;gap:16px;
  padding:16px 0;border-block:1px solid var(--rule-dark-2);
  font-family:var(--mono);font-size:var(--fs-ui);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;
  transition:border-color .2s;
}
.channel:hover{border-color:var(--silver)}
.channel span:first-child{color:var(--muted-dark)}

.form{padding:clamp(24px,3.2vw,40px);background:var(--graphite);border:1px solid var(--rule-dark-2)}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.field label{font-family:var(--mono);font-size:var(--fs-label);font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--silver)}
.optional{color:var(--muted-dark);text-transform:none;letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;min-height:50px;padding:12px 14px;
  background:var(--ink);color:var(--on-dark);
  border:1px solid var(--rule-dark-2);border-radius:2px;
  font-size:var(--fs-body);
  transition:border-color .2s;
}
.field textarea{resize:vertical;min-height:132px;line-height:1.5}
.field select{
  appearance:none;-webkit-appearance:none;
  padding-right:40px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%23a0a5a9' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 15px center;background-size:11px;
}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#5a6065}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline-offset:1px;border-color:var(--silver)}
.hint{font-size:var(--fs-small);color:var(--muted-dark)}
.form-status{margin-top:14px;font-size:var(--fs-card);color:var(--on-dark)}
.form-status:empty{display:none}
.form-status a{color:inherit;text-underline-offset:3px}
.form-note{margin-top:14px;font-size:var(--fs-small);line-height:1.5;color:var(--muted-dark)}
.form-note a{color:var(--on-dark);text-underline-offset:3px}

/* Referencia Arhez Tech */
.infra{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 40px;
  margin-top:clamp(56px,7vw,88px);padding-top:28px;border-top:1px solid var(--rule-dark);
}
.infra-title{font-size:var(--fs-card);font-weight:600;letter-spacing:.02em;text-transform:none;line-height:1.4}
.infra p{margin-top:4px;font-size:var(--fs-card);color:var(--muted-dark);max-width:62ch}
.infra .link-arrow{color:var(--muted-dark)}
.infra .link-arrow:hover{color:var(--on-dark)}
.infra .link-arrow:hover svg{transform:translate(2px,-2px)}

/* 6. Pie ------------------------------------------------------------------- */
.site-footer{background:var(--ink);color:var(--on-dark);border-top:1px solid var(--rule-dark);padding-block:48px 28px}
.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:32px 64px}
.footer-name{font-size:var(--fs-h3);font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.footer-role{margin-top:6px;font-family:var(--mono);font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;color:var(--muted-dark)}
.footer-scope{margin-top:16px;font-size:var(--fs-card);color:var(--muted-dark)}
.footer-title{
  margin-bottom:14px;
  font-family:var(--mono);font-size:var(--fs-label);font-weight:500;letter-spacing:.12em;line-height:1.4;color:var(--muted-dark);
}
.footer-col:has(.social-list:empty){display:none}
.social-list{display:grid;grid-template-columns:repeat(2,auto);gap:2px 40px}
.social-list a,.footer-links a{
  display:inline-flex;align-items:center;gap:10px;padding:6px 0;
  font-size:var(--fs-card);color:var(--muted-dark);text-decoration:none;transition:color .2s;
}
.social-list a:hover,.footer-links a:hover{color:var(--on-dark)}
.social-list svg{width:16px;height:16px;flex:none;fill:currentColor;transition:fill .2s}
.social-list a:hover svg{fill:var(--accent)}
.footer-base{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--rule-dark);
  font-family:var(--mono);font-size:var(--fs-label);letter-spacing:.06em;color:var(--muted-dark);
}

/* 7. Página legal ---------------------------------------------------------- */
.legal{padding-block:clamp(56px,8vw,96px)}
.legal .container{max-width:800px}
.legal h1{font-size:clamp(32px,4.6vw,52px);letter-spacing:-.025em;line-height:1.02}
.legal .updated{margin-top:16px;font-family:var(--mono);font-size:var(--fs-label);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.legal h2{margin:40px 0 12px;font-size:var(--fs-xl);font-weight:600;text-transform:none;letter-spacing:-.01em;line-height:1.3}
.legal p,.legal li{color:#33373a;line-height:1.7}
.legal p{margin-bottom:14px}
.legal ul{margin:0 0 14px;padding-left:20px;list-style:square}
.legal li{margin-bottom:6px}
.legal .back{margin-top:40px}

/* 8. Responsive y movimiento ----------------------------------------------- */
@media (max-width:1100px){
  .service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .service{min-height:0}
  .process-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:44px}
  .split,.contact,.about{column-gap:56px}
  .hero-grid{column-gap:40px}
  .exp-areas{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:900px){
  .section-head,.split,.contact,.about,.sectors{grid-template-columns:minmax(0,1fr)}
  .section-head{align-items:start}
  .hero-grid{column-gap:32px}
  .about-photo{max-width:340px}
  .compare{grid-template-columns:minmax(0,1fr)}
  .compare-col.is-main{order:-1}
  .compare-col + .compare-col{border-left:0}
  .compare-col:not(.is-main){border-top:1px solid var(--rule-dark-2)}
}

@media (max-width:720px){
  /* Hero apilado: texto y debajo el diagrama, reducido */
  .hero-grid{grid-template-columns:minmax(0,1fr);row-gap:44px}
  .hero-visual{justify-self:center;max-width:320px}
}

@media (max-width:640px){
  :root{--header-h:62px}
  .brand-role{display:none}
  .actions .btn,.compare-foot .btn{width:100%}
  .hero-scope{gap:10px 22px;font-size:var(--fs-micro)}
  .signal-list,.exp-areas,.form-row,.traits{grid-template-columns:minmax(0,1fr)}
  .site-footer .footer-brand{width:100%}
  .social-list{grid-template-columns:minmax(0,1fr)}
  .exp-areas li{padding:20px 20px 22px}
  .exp-areas h3{margin-top:10px}
  .service-grid{grid-template-columns:minmax(0,1fr)}
  .service{padding:24px 20px 26px}
  .glyph{position:absolute;right:20px;top:22px;margin:0}
  .service h3{margin-top:18px}
  .equation{gap:8px}
  .equation li{gap:8px;font-size:var(--fs-micro);letter-spacing:.08em}
  .equation span{padding:9px 10px}
  .process-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .process-grid li{padding:18px 16px 20px}
  .process-grid h3{font-size:var(--fs-label);letter-spacing:.08em}

  /* El método pasa de fila a línea de tiempo vertical */
  .steps{grid-template-columns:minmax(0,1fr);row-gap:0;margin-left:4px}
  .step{padding:0 0 30px 26px;border-top:0;border-left:1px solid var(--text)}
  .step:last-child{padding-bottom:0;border-left-color:transparent}
  .step::before{left:-5px;top:4px}
  .step h3{margin-top:6px}

  .check-list li{font-size:var(--fs-h3);grid-template-columns:38px 1fr}
  .faq summary{font-size:var(--fs-h3);padding-right:40px}
  .faq details p{padding-right:0}
  .traits{gap:18px}
}

.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
  .js .reveal{opacity:1;transform:none}
}

@media (max-width:480px){
  .menu-toggle-label{display:none}
}

@media (max-width:400px){
  h1{font-size:30px}
  .brand{gap:10px}
  .brand-name{font-size:var(--fs-small);letter-spacing:.1em}
}

@media print{
  .site-header,.hero-visual,.form,.menu-toggle{display:none}
  .js .reveal{opacity:1;transform:none}
}