/* ============================================================
   THE NEMBA COMPANY — hoja de estilos general
   Identidad: un marco de línea fina que la palabra rompe.
   Contraste verificado WCAG 2.1 AA en todos los pares de color.
   ------------------------------------------------------------
   1. Variables            5. Portada
   2. Base y accesibilidad 6. Contenido (fichas, sectores, método)
   3. Tipografía           7. Contacto y formulario
   4. Cabecera y menú      8. Páginas legales · 9. Pie · 10. Utilidades
   ============================================================ */

/* ---------- 1. VARIABLES ---------- */
:root{
  --ink:#0B0B0C;          /* negro de marca            19,7:1 sobre blanco */
  --paper:#FFFFFF;
  --fog:#F2F2F1;          /* gris neutro de descanso */
  --muted:#55555A;        /* texto secundario           7,4:1 sobre blanco */
  --line:#DCDCDA;         /* filete decorativo */
  --line-strong:#6E6E73;  /* borde de componente        5,1:1 sobre blanco */
  --accent:#1B4DFF;       /* azul señal                 5,9:1 sobre blanco */
  --accent-dark:#8FA8FF;  /* azul sobre negro           8,6:1 sobre tinta */
  --muted-dark:#B9B9BF;   /* texto secundario en negro 10,1:1 */
  --error:#B3261E;
  --ok:#0F6B3F;

  --font-display:'Archivo','Helvetica Neue',Arial,sans-serif;
  --font-body:'Instrument Sans','Helvetica Neue',Arial,sans-serif;

  --gutter:clamp(20px,5vw,64px);
  --break:min(4vw,56px);          /* cuánto se sale el titular del marco */
  --sp-section:clamp(72px,10vw,140px);
  --wrap:1200px;
}

/* ---------- 2. BASE Y ACCESIBILIDAD ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:96px}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:1.0625rem;
  line-height:1.65;
  font-synthesis-weight:none;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
:where(h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl){margin:0}
ul{padding:0;list-style:none}

/* El foco nunca se elimina: mínimo 3:1 contra el fondo */
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:2px}
.panel-dark :focus-visible{outline-color:var(--accent-dark)}

/* Enlace de salto al contenido */
.skip{
  position:absolute;left:12px;top:-100px;z-index:200;
  background:var(--ink);color:var(--paper);
  padding:.7rem 1.1rem;font-weight:600;text-decoration:none;
  transition:top .15s ease;
}
.skip:focus{top:12px}

a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:.22em}
a:hover{text-decoration-thickness:2px}
.panel-dark a{color:var(--accent-dark)}

/* ---------- 3. TIPOGRAFÍA ---------- */
.display{
  font-family:var(--font-display);
  font-weight:800;font-stretch:118%;
  letter-spacing:-.025em;line-height:.98;text-wrap:balance;
}
.h1{font-size:clamp(2.35rem,7vw,5rem)}
.h2{font-size:clamp(1.85rem,4.2vw,3.1rem)}
.h3{
  font-family:var(--font-display);font-weight:700;font-stretch:110%;
  font-size:clamp(1.15rem,1.8vw,1.4rem);line-height:1.2;letter-spacing:-.01em;
}
.lead{font-size:clamp(1.08rem,1.5vw,1.3rem);line-height:1.55;max-width:58ch}
.small{font-size:.9375rem}

.eyebrow{
  display:flex;align-items:center;gap:.65em;
  font-size:.75rem;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--muted);
}
.panel-dark .eyebrow{color:var(--muted-dark)}

/* La marca: un cuadrado abierto por la derecha, como el logotipo */
.mark{flex:none;width:.85em;height:.85em;border:1px solid currentColor;border-right-color:transparent}

/* ---------- ESTRUCTURA ---------- */
.wrap{width:min(var(--wrap),100% - var(--gutter)*2);margin-inline:auto}
.section{padding-block:var(--sp-section)}
.panel-dark{background:var(--ink);color:var(--paper)}
.panel-fog{background:var(--fog)}
.sec-head{max-width:70ch;margin-bottom:clamp(36px,5vw,64px)}
.sec-head .h2{margin-top:1rem}
.sec-head p.lead{margin-top:1.25rem;color:var(--muted)}
.panel-dark .sec-head p.lead{color:var(--muted-dark)}

/* Cabecera de página interior */
.page-head{padding-block:clamp(48px,7vw,88px) clamp(36px,5vw,60px);border-bottom:1px solid var(--line)}
.page-head .h1{margin-top:1.25rem;font-size:clamp(2.1rem,5.5vw,3.9rem)}
.page-head .lead{margin-top:1.5rem;color:var(--muted)}

/* ---------- 4. CABECERA Y MENÚ ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:72px}
.brand{display:inline-flex;align-items:center;padding:.35rem 0}
.brand img{width:clamp(132px,17vw,168px)}
.nav-list{display:flex;align-items:center;gap:clamp(1rem,2.4vw,2.2rem)}
.nav-list a{
  display:inline-block;padding:.65rem .1rem;
  color:var(--ink);text-decoration:none;
  font-size:.9375rem;font-weight:500;border-bottom:2px solid transparent;
}
.nav-list a:hover{border-bottom-color:var(--ink)}
.nav-list a[aria-current="page"]{border-bottom-color:var(--accent);color:var(--accent)}
.nav-cta{
  display:inline-flex;align-items:center;
  background:var(--ink);color:var(--paper)!important;
  padding:.7rem 1.15rem!important;font-weight:600;
  border-bottom:2px solid var(--ink)!important;
}
.nav-cta:hover{background:var(--accent);border-bottom-color:var(--accent)!important}
.nav-cta[aria-current="page"]{background:var(--accent);border-bottom-color:var(--accent)!important}

.nav-toggle{
  display:none;align-items:center;gap:.6rem;
  min-height:44px;padding:.55rem .9rem;
  font:inherit;font-size:.875rem;font-weight:600;
  background:var(--paper);color:var(--ink);
  border:1px solid var(--line-strong);cursor:pointer;
}
.nav-toggle:hover{background:var(--fog)}
.nav-toggle .bars{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle .bars::before,.nav-toggle .bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle .bars::before{top:-6px}
.nav-toggle .bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .bars{background:transparent}
.nav-toggle[aria-expanded="true"] .bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .bars::after{top:0;transform:rotate(-45deg)}

@media (max-width:899px){
  .nav-toggle{display:inline-flex}
  #nav-principal{
    position:absolute;left:0;right:0;top:100%;
    background:var(--paper);border-bottom:1px solid var(--line);
    padding:.5rem var(--gutter) 1.5rem;display:none;
  }
  #nav-principal.is-open{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list li{border-top:1px solid var(--line)}
  .nav-list a{padding:.95rem .2rem;border-bottom:0}
  .nav-list a:hover{border-bottom:0;color:var(--accent)}
  .nav-list a[aria-current="page"]{border-bottom:0;color:var(--accent)}
  .nav-cta{justify-content:center;margin-top:1rem;padding:.95rem 1.2rem!important}
  .site-header{position:relative}
}

/* ---------- 5. PORTADA ---------- */
.hero{padding-block:clamp(48px,8vw,96px) clamp(60px,9vw,120px);overflow-x:clip}
.hero-frame{
  position:relative;border:1px solid var(--ink);
  padding:clamp(28px,4.5vw,60px);margin-top:clamp(24px,3vw,40px);
}
/* El titular atraviesa el marco por la derecha: el gesto del logotipo */
.hero-title{
  position:relative;z-index:2;background:var(--paper);
  margin-right:calc(-1 * (var(--break) + clamp(28px,4.5vw,60px)));
  padding-block:.06em;
}
.hero-sub{margin-top:clamp(22px,3vw,34px);color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:clamp(26px,3.2vw,38px)}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:.6rem 2rem;
  margin-top:clamp(28px,4vw,44px);padding-top:1.25rem;
  border-top:1px solid var(--line);font-size:.875rem;color:var(--muted);
}

/* Botones */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  min-height:48px;padding:.8rem 1.4rem;
  font:inherit;font-size:.9375rem;font-weight:600;
  text-decoration:none;cursor:pointer;border:1px solid transparent;
}
.btn-primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-primary:hover{background:var(--accent);border-color:var(--accent)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink);background:var(--fog)}
.panel-dark .btn-primary{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.panel-dark .btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:var(--ink)}
.panel-dark .btn-ghost{color:var(--paper);border-color:rgba(255,255,255,.55)}
.panel-dark .btn-ghost:hover{border-color:var(--paper);background:rgba(255,255,255,.08)}
.btn .arrow{transition:transform .25s ease}
.btn:hover .arrow{transform:translateX(4px)}

/* ---------- 6. CONTENIDO ---------- */
.about-grid{display:grid;gap:clamp(32px,5vw,72px);grid-template-columns:1fr}
@media (min-width:900px){.about-grid{grid-template-columns:1.05fr .95fr;align-items:start}}
.about-text{max-width:62ch;color:var(--muted)}
.about-text p + p{margin-top:1.1rem}
.about-text strong{color:var(--ink);font-weight:600}
.panel-dark .about-text{color:var(--muted-dark)}
.panel-dark .about-text strong{color:var(--paper)}

/* Sectores: cada casilla es un mercado real, no un adorno */
.sectors{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
@media (min-width:520px){.sectors{grid-template-columns:repeat(2,1fr)}}
.sectors li{background:var(--paper);padding:clamp(20px,2.4vw,28px)}
.sectors .sector{
  font-family:var(--font-display);font-weight:800;font-stretch:118%;
  font-size:clamp(1.3rem,2.4vw,1.7rem);line-height:1;letter-spacing:-.025em;display:block;
}
.sectors .client{display:block;margin-top:.85rem;font-size:.875rem;color:var(--muted)}
.sectors .client b{color:var(--ink);font-weight:600}
.panel-dark .sectors{background:rgba(255,255,255,.28);border-color:rgba(255,255,255,.28)}
.panel-dark .sectors li{background:var(--ink)}
.panel-dark .sectors .client{color:var(--muted-dark)}
.panel-dark .sectors .client b{color:var(--paper)}

.values{
  margin-top:clamp(40px,5vw,64px);padding-top:clamp(32px,4vw,48px);
  border-top:1px solid var(--line);display:grid;gap:1.75rem;
}
.panel-dark .values{border-top-color:rgba(255,255,255,.25)}
@media (min-width:860px){.values{grid-template-columns:repeat(3,1fr);gap:2rem 3rem}}
.values .h3{margin-bottom:.5rem}
.values p{color:var(--muted);font-size:.9375rem}
.panel-dark .values p{color:var(--muted-dark)}

/* Fichas de servicio: el título rompe el borde superior, como el logotipo */
.cards{display:grid;gap:clamp(22px,2.6vw,32px);grid-template-columns:1fr}
@media (min-width:760px){.cards{grid-template-columns:repeat(2,1fr)}}
.card{
  position:relative;border:1px solid var(--line-strong);
  padding:clamp(28px,3vw,40px);padding-top:clamp(38px,3.6vw,48px);
  background:var(--paper);transition:border-color .25s ease,transform .25s ease;
}
.card:hover,.card:focus-within{border-color:var(--accent);transform:translateY(-3px)}
.card-title{
  position:absolute;top:0;left:clamp(20px,2.2vw,28px);
  transform:translateY(-50%);background:var(--paper);padding-inline:.55em;
}
.panel-fog .card,.panel-fog .card-title{background:var(--fog)}
.card p{color:var(--muted);margin-top:.35rem}
.card ul{margin-top:1.35rem;display:flex;flex-wrap:wrap;gap:.5rem}
.card li{font-size:.8125rem;font-weight:500;border:1px solid var(--line);padding:.3rem .7rem;color:var(--ink)}

/* Método: sí es una secuencia, por eso va numerado */
.method{margin-top:clamp(56px,7vw,88px);border-top:1px solid var(--line);padding-top:clamp(32px,4vw,48px)}
.method .lead{margin-top:1rem;color:var(--muted)}
.steps{display:grid;gap:clamp(24px,3vw,36px);grid-template-columns:1fr;margin-top:2rem;
  list-style:none;padding-left:0}
@media (min-width:700px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{padding-top:1.1rem;border-top:2px solid var(--ink)}
.steps .n{
  font-family:var(--font-display);font-weight:800;font-stretch:118%;
  font-size:.875rem;letter-spacing:.06em;color:var(--accent);display:block;
}
.steps .h3{margin:.5rem 0 .45rem}
.steps p{font-size:.9375rem;color:var(--muted)}

/* Banda de llamada a la acción */
.cta-band{padding-block:clamp(56px,7vw,96px)}
.cta-inner{display:grid;gap:2rem;align-items:center}
@media (min-width:820px){.cta-inner{grid-template-columns:1.4fr auto}}
.cta-band .lead{margin-top:1rem;color:var(--muted-dark)}

/* ---------- 7. CONTACTO Y FORMULARIO ---------- */
/* Tarjetas de contacto directo: la etiqueta rompe el borde, como el logotipo */
.contact-direct{display:grid;gap:clamp(22px,2.6vw,32px);grid-template-columns:1fr}
@media (min-width:760px){.contact-direct{grid-template-columns:repeat(2,1fr)}}
.contact-card{
  position:relative;display:block;text-decoration:none;color:var(--ink);
  border:1px solid var(--line-strong);background:var(--paper);
  padding:clamp(28px,3vw,40px);padding-top:clamp(38px,3.6vw,48px);
  transition:border-color .25s ease,transform .25s ease;
}
.contact-card:hover,.contact-card:focus-visible{border-color:var(--accent);transform:translateY(-3px)}
.contact-card .label{
  position:absolute;top:0;left:clamp(20px,2.2vw,28px);transform:translateY(-50%);
  background:var(--paper);padding-inline:.55em;
}
.contact-card .value{
  display:block;font-family:var(--font-display);font-weight:800;font-stretch:112%;
  letter-spacing:-.02em;line-height:1.1;color:var(--accent);
  overflow-wrap:anywhere;
}
.contact-card .value-mail{font-size:clamp(1.15rem,2.6vw,1.85rem)}
.contact-card .value-tel{font-size:clamp(1.4rem,3.2vw,2.2rem)}
.contact-card .note{display:block;margin-top:.9rem;font-size:.9375rem;color:var(--muted)}
.contact-card .arrow{transition:transform .25s ease;display:inline-block}
.contact-card:hover .arrow{transform:translateX(4px)}

/* Oficinas */
.offices{display:grid;gap:clamp(32px,4vw,56px);grid-template-columns:1fr}
@media (min-width:780px){.offices{grid-template-columns:repeat(2,1fr)}}
.office .h3{margin-bottom:.5rem}
.office .address{color:var(--muted);font-size:.9375rem}
.map{
  margin-top:1.25rem;border:1px solid var(--line-strong);
  aspect-ratio:4/3;background:var(--fog);overflow:hidden;
}
.map iframe{
  width:100%;height:100%;border:0;display:block;
  filter:grayscale(1) contrast(1.05);transition:filter .3s ease;
}
.map:hover iframe,.map:focus-within iframe{filter:none}
.office .maplink{display:inline-block;margin-top:.9rem;font-size:.9375rem}

/* Horario */
.hours{margin-top:clamp(40px,5vw,60px);padding-top:clamp(28px,3.5vw,40px);
  border-top:1px solid var(--line);display:grid;gap:1.5rem}
@media (min-width:700px){.hours{grid-template-columns:repeat(2,1fr);gap:2rem 3rem}}
.hours dt{font-size:.75rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.hours dd{margin:.4rem 0 0}

/* ---------- 8. PÁGINAS LEGALES ---------- */
.legal{width:min(820px,100% - var(--gutter)*2);margin-inline:auto;padding-block:clamp(40px,5vw,64px) clamp(64px,8vw,110px)}
.legal h2{
  font-family:var(--font-display);font-weight:700;font-stretch:112%;letter-spacing:-.015em;
  font-size:clamp(1.35rem,2.4vw,1.8rem);line-height:1.15;
  margin-top:clamp(40px,5vw,60px);padding-top:1.5rem;border-top:1px solid var(--line);
}
.legal h3{font-family:var(--font-display);font-weight:700;font-size:1.05rem;margin-top:1.75rem}
.legal p,.legal ul,.legal ol{margin-top:1rem}
.legal ul,.legal ol{padding-left:1.4rem;list-style:disc}
.legal ol{list-style:decimal}
.legal li{margin-top:.4rem}
.legal table{border-collapse:collapse;width:100%;margin-top:1.25rem;font-size:.9375rem}
.legal th,.legal td{border:1px solid var(--line-strong);padding:.65rem .8rem;text-align:left;vertical-align:top}
.legal th{background:var(--fog);font-weight:600}
.legal mark{background:#FFF3B0;color:var(--ink);padding:0 .2em;font-weight:600}
.updated{color:var(--muted);font-size:.9375rem;margin-top:1.25rem}
.legal-nav{margin-top:2.5rem;padding:1.5rem;border:1px solid var(--line-strong)}
.legal-nav h2{font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;font-family:var(--font-body);
  font-weight:600;color:var(--muted);margin:0;padding:0;border:0}
.legal-nav ul{margin-top:.9rem;padding:0;list-style:none}
.legal-nav li{margin-top:.55rem}
.legal-nav li:first-child{margin-top:0}

/* ---------- 9. PIE ---------- */
.site-footer{background:var(--ink);color:var(--paper);padding-block:clamp(48px,6vw,72px)}
.footer-top{display:grid;gap:2.5rem;grid-template-columns:1fr}
@media (min-width:800px){.footer-top{grid-template-columns:1.2fr 1fr 1fr}}
.footer-logo{width:150px}
.site-footer h2{
  font-size:.75rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted-dark);margin-bottom:1rem;
}
.site-footer li{margin-top:.5rem}
.site-footer li:first-child{margin-top:0}
.site-footer a{color:var(--paper);text-decoration:none;font-size:.9375rem}
.site-footer a:hover{color:var(--accent-dark);text-decoration:underline}
.footer-contact{margin-top:1.25rem;color:var(--muted-dark);font-size:.9375rem}
.footer-contact a{text-decoration:underline;text-underline-offset:.22em}
.footer-bottom{
  margin-top:clamp(36px,4vw,56px);padding-top:1.5rem;
  border-top:1px solid rgba(255,255,255,.25);
  display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between;
  font-size:.875rem;color:var(--muted-dark);
}

/* ---------- 10. UTILIDADES Y MOVIMIENTO ---------- */
.accent{color:var(--accent)}
.mt-1{margin-top:1rem}
.mt-2{margin-top:2rem}

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

@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important;
  }
  .js .reveal{opacity:1;transform:none}
}

@media print{
  .site-header,.hero-actions,.cta-band,.map{display:none}
  body{color:#000;background:#fff}
  a[href^="http"]::after{content:" (" attr(href) ")";font-size:.85em}
}