/* ==========================================================================
   TCV Desarrollo de Soluciones S.R.L. — hoja de estilos
   Paleta y tipografía derivadas del Brochure Institucional 2026
   ========================================================================== */

:root{
  --ink:      #1f1b18;
  --ink-2:    #2e2a26;
  --body:     #45403a;
  --muted:    #6b655f;
  --faint:    #635d57;
  --rule:     #ddd8d1;
  --rule-2:   #ebe7e1;
  --paper:    #f7f5f2;
  --paper-2:  #ede8e1;
  --white:    #ffffff;

  --red:      #c0392b;   /* Unidad 01 — Monitoreo vehicular */
  --blue:     #1f7fa8;   /* Unidad 02 — Infraestructura vial */
  --green:    #3f7d57;   /* Ambiente */

  /* Variantes de los acentos para TEXTO pequeño, con contraste AA.
     Los colores de marca de arriba se reservan para filetes, botones,
     bordes y cifras grandes. */
  --red-on-light:   #a5342a;
  --blue-on-light:  #1a6f93;
  --green-on-light: #35694a;
  --red-on-dark:    #d9695a;
  --blue-on-dark:   #3d9ec6;
  --green-on-dark:  #57a271;

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

  --wrap: 1180px;
  --gap: clamp(2.5rem, 6vw, 6rem);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  color:var(--body);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; }

h1,h2,h3,h4{
  font-family:var(--sans);
  color:var(--ink);
  line-height:1.12;
  letter-spacing:-0.02em;
  margin:0 0 .6em;
  font-weight:800;
  text-wrap:balance;
}
h1{ font-size:clamp(2.1rem, 5.2vw, 3.6rem); }
h2{ font-size:clamp(1.65rem, 3.6vw, 2.5rem); }
h3{ font-size:clamp(1.15rem, 2vw, 1.4rem); font-weight:700; letter-spacing:-0.01em; }
h4{ font-size:1.02rem; font-weight:700; letter-spacing:0; }
p{ margin:0 0 1.1em; }
p:last-child{ margin-bottom:0; }

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:clamp(1.15rem,4vw,2rem); }
.section{ padding-block:var(--gap); }
.section--paper{ background:var(--paper); }
.section--paper2{ background:var(--paper-2); }
.section--ink{ background:var(--ink); color:#cfc9c1; }
.section--ink h2,.section--ink h3,.section--ink h4{ color:#fff; }
.section--tight{ padding-block:clamp(2rem,4vw,3.5rem); }

/* ---------- Etiquetas monoespaciadas (del brochure) ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:.68rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--faint);
  margin:0 0 1rem;
  display:block;
  font-weight:500;
}
.eyebrow--red{ color:var(--red-on-light); }
.eyebrow--blue{ color:var(--blue-on-light); }
.eyebrow--green{ color:var(--green-on-light); }
.section--ink .eyebrow,.hero .eyebrow,.page-head .eyebrow,.cta .eyebrow{ color:#9a938b; }
.section--ink .eyebrow--red,.hero .eyebrow--red,.page-head .eyebrow--red,.cta .eyebrow--red{ color:var(--red-on-dark); }
.section--ink .eyebrow--blue,.page-head .eyebrow--blue{ color:var(--blue-on-dark); }
.section--ink .eyebrow--green,.page-head .eyebrow--green{ color:var(--green-on-dark); }

.rule-accent{ width:56px; height:4px; background:var(--red); border:0; margin:0 0 1.6rem; }
.rule-accent--blue{ background:var(--blue); }
.rule-accent--green{ background:var(--green); }
.rule-accent--ink{ background:var(--ink); }

.lead{ font-size:clamp(1.05rem,1.7vw,1.22rem); color:var(--body); max-width:64ch; }
.section--ink .lead{ color:#cfc9c1; }
.measure{ max-width:68ch; }

/* ---------- Header ---------- */
.site-header{
  background:var(--ink);
  position:sticky; top:0; z-index:60;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.site-header__inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:1.5rem; min-height:74px;
}
.brand{ display:flex; align-items:center; flex:0 0 auto; }
.brand img{ width:132px; }

.nav-toggle{
  display:none; background:none; border:1px solid rgba(255,255,255,.28);
  color:#fff; padding:.5rem .8rem; border-radius:3px; cursor:pointer;
  font-family:var(--mono); font-size:.7rem; letter-spacing:.16em; text-transform:uppercase;
}

.nav{ display:flex; align-items:center; gap:clamp(.5rem,1.6vw,1.6rem); }
.nav a{
  color:#cfc9c1; text-decoration:none;
  font-size:.85rem; font-weight:600; letter-spacing:.01em;
  padding:.5rem 0; white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .15s, border-color .15s;
}
.nav a:hover{ color:#fff; }
.nav a[aria-current="page"]{ color:#fff; border-bottom-color:var(--red); }

/* ---------- Botones ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.55rem;
  font-family:var(--mono); font-size:.74rem; letter-spacing:.16em; text-transform:uppercase;
  font-weight:600; text-decoration:none;
  padding:.85rem 1.5rem; border-radius:2px; border:1px solid transparent;
  transition:background .15s, color .15s, border-color .15s;
  cursor:pointer; line-height:1;
}
.btn--primary{ background:var(--red); color:#fff; }
.btn--primary:hover{ background:#a93226; }
.btn--blue{ background:var(--blue); color:#fff; }
.btn--blue:hover{ background:#1a6c8f; }
.btn--ink{ background:var(--ink); color:#fff; }
.btn--ink:hover{ background:#000; }
.btn--ghost{ border-color:rgba(255,255,255,.4); color:#fff; }
.btn--ghost:hover{ background:rgba(255,255,255,.1); }
.btn--outline{ border-color:var(--ink); color:var(--ink); }
.btn--outline:hover{ background:var(--ink); color:#fff; }
.btn--wa{ background:#25d366; color:#0b2c17; }
.btn--wa:hover{ background:#1fb457; }
.btn-row{ display:flex; flex-wrap:wrap; gap:.75rem; margin-top:1.8rem; }

/* ---------- Hero ---------- */
.hero{ position:relative; background:var(--ink); color:#fff; overflow:hidden; }
.hero__media{ position:absolute; inset:0; }
.hero__media img{ width:100%; height:100%; object-fit:cover; object-position:center 78%; opacity:.86; }
.hero::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(90deg, rgba(31,27,24,.90) 0%, rgba(31,27,24,.82) 42%, rgba(31,27,24,.34) 70%, rgba(31,27,24,.14) 100%),
    linear-gradient(180deg, rgba(31,27,24,.46) 0%, rgba(31,27,24,.16) 40%, rgba(31,27,24,.80) 100%);
}
.hero__inner{ position:relative; z-index:2; padding-block:clamp(3.5rem,9vw,7rem); }
.hero h1{ color:#fff; max-width:20ch; }
.hero .lead{ color:#ddd8d1; max-width:60ch; }
.hero__spine{ position:absolute; left:0; top:0; bottom:0; width:6px; background:var(--red); z-index:3; }

.page-head{ background:var(--ink); color:#cfc9c1; padding-block:clamp(2.8rem,6vw,4.5rem); position:relative; }
.page-head h1{ color:#fff; max-width:22ch; }
.page-head .lead{ color:#cfc9c1; }
.page-head__spine{ position:absolute; left:0; top:0; bottom:0; width:6px; }

/* ---------- Grillas ---------- */
.grid{ display:grid; gap:clamp(1.25rem,2.6vw,2rem); }
.grid--2{ grid-template-columns:repeat(2,1fr); }
.grid--3{ grid-template-columns:repeat(3,1fr); }
.grid--4{ grid-template-columns:repeat(4,1fr); }
.grid--6{ grid-template-columns:repeat(6,1fr); }
.split{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(2rem,5vw,4.5rem); align-items:center; }
.split--wide-left{ grid-template-columns:1.15fr .85fr; }

/* ---------- Tarjetas de unidad de negocio ---------- */
.unit{
  background:var(--white); border:1px solid var(--rule);
  border-top:4px solid var(--red);
  padding:clamp(1.5rem,3vw,2.4rem);
  display:flex; flex-direction:column;
  transition:box-shadow .18s, transform .18s;
}
.unit--blue{ border-top-color:var(--blue); }
.unit:hover{ box-shadow:0 14px 40px -22px rgba(31,27,24,.5); transform:translateY(-2px); }
.unit h3{ margin-bottom:.5rem; }
.unit p{ color:var(--body); font-size:.97rem; }
.unit__tags{
  font-family:var(--mono); font-size:.67rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--faint); margin-top:auto; padding-top:1.4rem;
  border-top:1px solid var(--rule-2);
}
.unit__link{
  margin-top:1.2rem; font-family:var(--mono); font-size:.72rem; letter-spacing:.16em;
  text-transform:uppercase; font-weight:600; color:var(--red-on-light); text-decoration:none;
  display:inline-flex; align-items:center; gap:.45rem;
}
.unit--blue .unit__link{ color:var(--blue-on-light); }
.unit__link:hover{ text-decoration:underline; }

/* ---------- Tiles de cifras ---------- */
.stats{ display:grid; gap:1px; background:var(--rule); border:1px solid var(--rule); }
.stats--4{ grid-template-columns:repeat(4,1fr); }
.stats--3{ grid-template-columns:repeat(3,1fr); }
.stat{ background:var(--white); padding:clamp(1.3rem,2.5vw,1.9rem); }
.section--paper .stat{ background:var(--paper); }
.stat__num{
  font-size:clamp(1.9rem,4vw,2.7rem); font-weight:800; letter-spacing:-.03em;
  color:var(--ink); line-height:1; margin-bottom:.55rem; font-variant-numeric:tabular-nums;
}
.stat__num--red{ color:var(--red); }
.stat__num--blue{ color:var(--blue); }
.stat__num--green{ color:var(--green); }
.stat__label{ font-size:.88rem; color:var(--muted); line-height:1.45; }
.stats--ink{ background:rgba(255,255,255,.14); border-color:rgba(255,255,255,.14); }
.stats--ink .stat{ background:var(--ink); }
/* Dentro de una columna estrecha las cifras se apilan */
.split .stats--3{ grid-template-columns:1fr; }
.split .stats--3 .stat{ display:grid; grid-template-columns:auto 1fr; gap:1.2rem; align-items:baseline; }
.split .stats--3 .stat__num{ margin-bottom:0; min-width:4.5ch; }
.stats--ink .stat__num{ color:#fff; }
.stats--ink .stat__label{ color:#b5aea6; }
.stat-note{
  font-family:var(--mono); font-size:.65rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--faint); margin-top:1rem; line-height:1.7;
}

/* ---------- Lista de ventajas ---------- */
.benefits{ list-style:none; margin:0; padding:0; display:grid; gap:1.4rem; }
.benefits li{ padding-left:1.5rem; position:relative; }
.benefits li::before{
  content:""; position:absolute; left:0; top:.62em;
  width:8px; height:8px; background:var(--red);
}
.benefits--blue li::before{ background:var(--blue); }
.benefits--green li::before{ background:var(--green); }
.benefits strong{ color:var(--ink); display:block; margin-bottom:.15rem; }
.benefits span{ font-size:.95rem; color:var(--muted); }
.section--ink .benefits strong{ color:#fff; }
.section--ink .benefits span{ color:#a9a29a; }
.section--ink .ref-list{ color:#cfc9c1; }
.section--ink .ref-list b{ color:#fff; }
.section--ink .stat-note,.section--ink .figure-note{ color:#9a938b; }

/* ---------- Tarjetas de producto ---------- */
.pcard{ background:var(--white); border:1px solid var(--rule); display:flex; flex-direction:column; }
.pcard__img{ background:var(--paper-2); padding:1.6rem; }
.pcard__img img{ margin-inline:auto; max-height:190px; width:auto; }
.pcard__body{ padding:1.4rem 1.5rem 1.6rem; display:flex; flex-direction:column; flex:1; }
.pcard__kind{
  font-family:var(--mono); font-size:.63rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--faint); margin-bottom:.5rem;
}
.pcard h3{ margin-bottom:.55rem; }
.pcard p{ font-size:.93rem; color:var(--muted); }

/* ---------- Producto HYGT (fila) ---------- */
.hygt{ border-top:1px solid var(--rule); padding-block:clamp(1.8rem,3.5vw,2.6rem); }
.hygt:last-of-type{ border-bottom:1px solid var(--rule); }
.hygt__grid{ display:grid; grid-template-columns:210px 1fr; gap:clamp(1.2rem,3vw,2.8rem); align-items:start; }
.hygt__name{ font-size:clamp(1.5rem,3vw,2rem); font-weight:800; color:var(--ink); letter-spacing:-.02em; line-height:1; margin-bottom:.7rem; }
.hygt__for{ font-family:var(--mono); font-size:.66rem; letter-spacing:.15em; text-transform:uppercase; color:var(--muted); line-height:1.8; }
.tag{
  display:inline-block; font-family:var(--mono); font-size:.6rem; letter-spacing:.15em;
  text-transform:uppercase; padding:.3rem .6rem; border:1px solid currentColor; border-radius:2px;
  margin-top:.8rem; font-weight:600;
}
.tag--constructivo{ color:var(--blue-on-light); }
.tag--ambiental{ color:var(--green-on-light); }
.tag--seguridad{ color:var(--red-on-light); }
.hygt__spec{
  font-size:.87rem; color:var(--muted); margin-top:1rem; padding-top:1rem;
  border-top:1px dashed var(--rule); line-height:1.6;
}

/* ---------- Pasos de obra ---------- */
.steps{ display:grid; grid-template-columns:repeat(6,1fr); gap:1px; background:var(--rule); border:1px solid var(--rule); }
.step{ background:var(--white); padding:1.2rem 1.1rem 1.4rem; }
.step__n{ font-family:var(--mono); font-size:.72rem; letter-spacing:.14em; color:var(--blue-on-light); font-weight:700; margin-bottom:.5rem; }
.step h4{ margin-bottom:.3rem; font-size:.97rem; }
.step p{ font-size:.85rem; color:var(--muted); margin:0; }

/* ---------- Comparativa antes / después ---------- */
.compare{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(1rem,2.5vw,1.8rem); }
.compare figure{ margin:0; }
.compare img{ width:100%; aspect-ratio:3/2; object-fit:cover; border:1px solid var(--rule); }
.compare figcaption{ font-size:.88rem; color:var(--muted); margin-top:.75rem; line-height:1.55; }
.compare figcaption b{ color:var(--ink); display:block; font-size:.7rem; font-family:var(--mono);
  letter-spacing:.15em; text-transform:uppercase; margin-bottom:.3rem; }

.gallery{ display:grid; grid-template-columns:repeat(6,1fr); gap:.6rem; }
.gallery img{ width:100%; aspect-ratio:4/3; object-fit:cover; border:1px solid var(--rule); }

.figure-note{
  font-family:var(--mono); font-size:.64rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--faint); margin-top:1.2rem; line-height:1.8;
}

/* ---------- Bloques de respaldo (ensayos, aprobaciones) ---------- */
.evidence{ display:grid; gap:1px; background:var(--rule); border:1px solid var(--rule); }
.evidence--2{ grid-template-columns:1fr 1fr; }
.ev{ background:var(--white); padding:clamp(1.3rem,2.4vw,1.8rem); }
.ev__org{ font-weight:800; color:var(--ink); font-size:1rem; margin-bottom:.15rem; }
.ev__meta{ font-family:var(--mono); font-size:.63rem; letter-spacing:.13em; text-transform:uppercase; color:var(--green-on-light); margin-bottom:.7rem; }
.ev p{ font-size:.92rem; color:var(--muted); margin:0; }

/* ---------- Referencias ---------- */
.refs{ display:grid; gap:clamp(1.5rem,3vw,2.5rem); grid-template-columns:repeat(2,1fr); }
.ref-block h3{ font-size:1.05rem; margin-bottom:.8rem; }
.ref-list{ font-size:.95rem; color:var(--body); line-height:1.9; }
.ref-list b{ color:var(--ink); font-weight:600; }

/* ---------- Contactos ---------- */
.contacts{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.14); }
.contact{ background:var(--ink); padding:clamp(1.4rem,2.6vw,2rem); }
.contact__role{ font-family:var(--mono); font-size:.64rem; letter-spacing:.16em; text-transform:uppercase; color:#9a938b; margin-bottom:.7rem; }
.contact__name{ font-size:1.12rem; font-weight:800; color:#fff; letter-spacing:-.01em; margin-bottom:.1rem; }
.contact__note{ font-size:.85rem; color:#9a938b; margin-bottom:1.1rem; }
.contact a{ display:flex; align-items:center; gap:.55rem; color:#ddd8d1; text-decoration:none; font-size:.95rem; padding:.3rem 0; }
.contact a:hover{ color:#fff; text-decoration:underline; }
.contact svg{ flex:0 0 auto; }

/* Variante clara para la página de contacto */
.contacts--light{ background:var(--rule); border-color:var(--rule); }
.contacts--light .contact{ background:var(--white); }
.contacts--light .contact__role{ color:var(--faint); }
.contacts--light .contact__name{ color:var(--ink); }
.contacts--light .contact__note{ color:var(--muted); }
.contacts--light .contact a{ color:var(--body); }
.contacts--light .contact a:hover{ color:var(--red); }

/* ---------- Formulario ---------- */
.form{ display:grid; gap:1.1rem; }
.field{ display:grid; gap:.4rem; }
.field label{ font-family:var(--mono); font-size:.66rem; letter-spacing:.15em; text-transform:uppercase; color:var(--muted); font-weight:600; }
.field input,.field select,.field textarea{
  font-family:var(--sans); font-size:1rem; color:var(--ink);
  border:1px solid var(--rule); background:var(--white);
  padding:.8rem .9rem; border-radius:2px; width:100%;
}
.field input:focus,.field select:focus,.field textarea:focus{ outline:2px solid var(--red); outline-offset:1px; border-color:var(--red); }
.field textarea{ min-height:130px; resize:vertical; }
.form__row{ display:grid; grid-template-columns:1fr 1fr; gap:1.1rem; }
.form__hp{ position:absolute; left:-9999px; }
.form__note{ font-size:.83rem; color:var(--muted); }
.alert{ padding:.9rem 1.1rem; border-radius:2px; font-size:.93rem; margin-bottom:1.2rem; }
.alert--ok{ background:#e8f0eb; border-left:4px solid var(--green); color:#22513a; }
.alert--err{ background:#f7e7e5; border-left:4px solid var(--red); color:#7d2b21; }

/* ---------- CTA ---------- */
.cta{ background:var(--ink); color:#cfc9c1; }
.cta h2{ color:#fff; }
.cta .lead,.cta p{ color:#cfc9c1; }
.cta__inner{ display:grid; grid-template-columns:1.3fr .7fr; gap:clamp(1.5rem,4vw,3.5rem); align-items:center; }

/* ---------- Footer ---------- */
.site-footer{ background:#151311; color:#9a938b; padding-block:clamp(2.5rem,5vw,4rem) 2rem; font-size:.9rem; }
.site-footer a{ color:#c2bab1; text-decoration:none; }
.site-footer a:hover{ color:#fff; text-decoration:underline; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:clamp(1.5rem,4vw,3rem); }
.footer-grid h4{ color:#fff; font-family:var(--mono); font-size:.66rem; letter-spacing:.16em; text-transform:uppercase; margin-bottom:1rem; font-weight:600; }
.footer-grid ul{ list-style:none; margin:0; padding:0; display:grid; gap:.55rem; }
.site-footer .brand img{ width:150px; margin-bottom:1.1rem; }

/* Sellos institucionales del pie: CASEMI + Achilles, dos placas del mismo alto */
.seals{ display:flex; flex-wrap:wrap; align-items:center; gap:.85rem; margin-top:1.1rem; }
.seals img{ height:74px; width:auto; background:#fff; }
.seals__note{ margin-top:.75rem; font-size:.78rem; line-height:1.55; color:#8f8880; max-width:34ch; }

/* Bloque de acreditaciones en la página Empresa */
.acred{ display:grid; grid-template-columns:104px 1fr; gap:clamp(1rem,2.4vw,1.6rem); align-items:start; }
.acred img{ width:104px; height:auto; border:1px solid var(--rule); }
.acred h3{ margin-bottom:.5rem; }
.acred p:last-child{ margin-bottom:0; }

.footer-bottom{
  margin-top:clamp(2rem,4vw,3rem); padding-top:1.5rem; border-top:1px solid rgba(255,255,255,.1);
  display:flex; flex-wrap:wrap; gap:1rem; justify-content:space-between;
  font-family:var(--mono); font-size:.63rem; letter-spacing:.12em; text-transform:uppercase; color:#9a938b;
}

/* ---------- Botón flotante de WhatsApp ---------- */
.wa-float{
  position:fixed; right:18px; bottom:18px; z-index:70;
  width:56px; height:56px; border-radius:50%; background:#25d366;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 26px -8px rgba(0,0,0,.5); text-decoration:none;
  transition:transform .15s;
}
.wa-float:hover{ transform:scale(1.07); }

.skip{ position:absolute; left:-9999px; }
.skip:focus{ left:1rem; top:1rem; z-index:100; background:#fff; color:var(--ink); padding:.7rem 1rem; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1000px){
  .grid--4{ grid-template-columns:repeat(2,1fr); }
  .grid--6,.gallery{ grid-template-columns:repeat(3,1fr); }
  .stats--4{ grid-template-columns:repeat(2,1fr); }
  .steps{ grid-template-columns:repeat(3,1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .cta__inner{ grid-template-columns:1fr; }
  .split,.split--wide-left{ grid-template-columns:1fr; }
  .hygt__grid{ grid-template-columns:1fr; }
}

@media (max-width:820px){
  .nav-toggle{ display:block; }
  .nav{
    display:none; position:absolute; left:0; right:0; top:100%;
    flex-direction:column; align-items:stretch; gap:0;
    background:var(--ink); border-bottom:1px solid rgba(255,255,255,.12);
    padding:.5rem clamp(1.15rem,4vw,2rem) 1.2rem;
  }
  .nav.is-open{ display:flex; }
  .nav a{ padding:.85rem 0; border-bottom:1px solid rgba(255,255,255,.08); font-size:.95rem; }
  .nav a[aria-current="page"]{ border-bottom-color:var(--red); }
  .site-header__inner{ position:relative; }
  .grid--3{ grid-template-columns:1fr; }
  .contacts{ grid-template-columns:1fr; }
  .evidence--2{ grid-template-columns:1fr; }
  .refs{ grid-template-columns:1fr; }
  .compare{ grid-template-columns:1fr; }
}

@media (max-width:600px){
  body{ font-size:16px; }
  .grid--2,.grid--4,.form__row{ grid-template-columns:1fr; }
  .grid--6,.gallery,.steps{ grid-template-columns:repeat(2,1fr); }
  .stats--4,.stats--3{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .brand img{ width:112px; }
  .seals img{ height:62px; }
  .acred{ grid-template-columns:1fr; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
}

@media print{
  .site-header,.wa-float,.nav-toggle,.cta{ display:none; }
  body{ font-size:11pt; color:#000; }
}

/* ==========================================================================
   Bloques específicos de la unidad de monitoreo
   ========================================================================== */

/* Verde de marca Streamax. Sólo para elementos gráficos sobre fondo oscuro:
   sobre blanco no alcanza contraste suficiente para texto. */
:root{ --sx-lime: #abcd03; }

/* Franja de distribuidor */
.sx-strip{ display:grid; grid-template-columns:auto 1fr; gap:clamp(1.5rem,4vw,3rem); align-items:center; }
.sx-strip__logo{
  background:#000; border-radius:2px; padding:1.1rem 1.4rem;
  display:flex; align-items:center; justify-content:center;
  border-bottom:3px solid var(--sx-lime);
}
.sx-strip__logo img{ width:230px; height:auto; }

/* Lista de especificaciones dentro de una tarjeta de producto */
.speclist{ list-style:none; margin:1.2rem 0 0; padding:1.2rem 0 0; border-top:1px dashed var(--rule); display:grid; gap:.6rem; }
.speclist li{ position:relative; padding-left:1.15rem; font-size:.89rem; color:var(--muted); line-height:1.5; }
.speclist li::before{
  content:""; position:absolute; left:0; top:.55em; width:6px; height:6px; background:var(--red);
}

/* Tarjeta de producto destacado */
.pcard--star{ border-top:4px solid var(--red); }
.pcard--star .pcard__img{ background:var(--paper); padding:2rem; }
.pcard--star .pcard__img img{ max-height:230px; }

/* Esquemas ilustrativos */
.diagram{ margin:0; }
.diagram svg{ width:100%; height:auto; display:block; border:1px solid var(--rule); }
.section--ink .diagram svg{ border-color:rgba(255,255,255,.16); }
.diagram figcaption{
  font-family:var(--mono); font-size:.62rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--faint); margin-top:.7rem;
}
.section--ink .diagram figcaption{ color:#9a938b; }

@media (max-width:820px){
  .sx-strip{ grid-template-columns:1fr; }
  .sx-strip__logo{ justify-self:start; }
}

/* ==========================================================================
   Animación de los esquemas ilustrativos
   Todo esto es CSS estándar: no requiere ningún constructor visual.
   Se detiene por completo si el sistema pide movimiento reducido.
   ========================================================================== */

/* Esquema 1 — pérdida de uña */
.dg-gap{ animation: dgDash 2.6s linear infinite; }
@keyframes dgDash{ to{ stroke-dashoffset:-36; } }

.dg-ping{ transform-origin:191px 185px; animation: dgPing 2.6s ease-out infinite; }
.dg-ping--2{ animation-delay:1.3s; }
@keyframes dgPing{
  0%{   transform:scale(.45); opacity:0; }
  15%{  opacity:.95; }
  70%{  transform:scale(1.5); opacity:0; }
  100%{ transform:scale(1.5); opacity:0; }
}

.dg-blink{ animation: dgBlink 2.6s ease-in-out infinite; }
@keyframes dgBlink{ 0%,45%{ opacity:.25; } 55%,90%{ opacity:1; } 100%{ opacity:.25; } }

/* Esquema 2 — riesgo frontal */
.dg-cone{ animation: dgCone 3s ease-in-out infinite; }
.dg-cone--2{ animation-delay:.35s; }
@keyframes dgCone{ 0%,100%{ opacity:.10; } 50%{ opacity:.34; } }

.dg-link{ stroke-dasharray:6 6; animation: dgLink 1.6s linear infinite; }
@keyframes dgLink{ to{ stroke-dashoffset:-24; } }

.dg-radar{ transform-origin:96px 196px; animation: dgRadar 2.4s ease-out infinite; }
.dg-radar--2{ animation-delay:.8s; }
@keyframes dgRadar{
  0%{   transform:scale(.5);  opacity:0; }
  20%{  opacity:.9; }
  85%{  transform:scale(1.35); opacity:0; }
  100%{ transform:scale(1.35); opacity:0; }
}

/* Aparición suave al entrar en pantalla (sin JavaScript) */
@supports (animation-timeline: view()){
  @media (prefers-reduced-motion: no-preference){
    .pcard, .unit, .ev, .step{
      animation: dgRise linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 42%;
    }
    @keyframes dgRise{ from{ opacity:0; transform:translateY(18px); } to{ opacity:1; transform:none; } }
  }
}

@media (prefers-reduced-motion: reduce){
  .dg-gap,.dg-ping,.dg-blink,.dg-cone,.dg-link,.dg-radar{ animation:none; }
  .dg-ping,.dg-radar{ opacity:.7; }
  .dg-blink{ opacity:1; }
}

/* ---------- Renders de producto sobre fondo oscuro ---------- */
.pcard__img--dark{ background:#141210 !important; padding:0 !important; }
.pcard__img--dark img{ width:100%; max-height:none !important; }

/* ---------- Video ---------- */
.vfig{ margin:0; }
.vfig video{
  width:100%; height:auto; display:block; background:#141210;
  border:1px solid var(--rule); aspect-ratio:16/9; object-fit:cover;
}
.section--ink .vfig video{ border-color:rgba(255,255,255,.16); }
.vfig figcaption{
  font-family:var(--mono); font-size:.62rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--faint); margin-top:.7rem;
}
.section--ink .vfig figcaption{ color:#9a938b; }

/* Bloque de capacidad: video + texto, alternando lado */
.cap{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(1.8rem,4vw,3.5rem); align-items:center;
      padding-block:clamp(2rem,4vw,3.2rem); border-top:1px solid var(--rule); }
.section--ink .cap{ border-top-color:rgba(255,255,255,.12); }
.cap:first-of-type{ border-top:0; }
.cap--flip .vfig{ order:2; }
.cap h3{ margin-bottom:.6rem; }
.cap .caplist{ list-style:none; margin:1rem 0 0; padding:0; display:grid; gap:.5rem; }
.cap .caplist li{ position:relative; padding-left:1.15rem; font-size:.9rem; color:var(--muted); }
.cap .caplist li::before{ content:""; position:absolute; left:0; top:.55em; width:6px; height:6px; background:var(--red); }
.section--ink .cap .caplist li{ color:#a9a29a; }

/* Cinta "próximamente" */
.soon{
  display:inline-block; font-family:var(--mono); font-size:.6rem; letter-spacing:.16em;
  text-transform:uppercase; font-weight:700; padding:.3rem .65rem; border-radius:2px;
  background:var(--sx-lime); color:#1f1b18; margin-bottom:1rem;
}

@media (max-width:820px){
  .cap{ grid-template-columns:1fr; }
  .cap--flip .vfig{ order:0; }
}

/* Las tarjetas de producto conservan su fondo claro aunque estén dentro de
   una sección oscura: el texto no debe heredar el color blanco. */
.section--ink .pcard{ color:var(--body); }
.section--ink .pcard h2,
.section--ink .pcard h3,
.section--ink .pcard h4{ color:var(--ink); }
.section--ink .pcard p{ color:var(--muted); }
.section--ink .pcard .pcard__kind{ color:var(--faint); }

/* ==========================================================================
   Encabezado de página con foto o video de fondo
   ========================================================================== */
.page-head--media{ overflow:hidden; }
.page-head__media{ position:absolute; inset:0; z-index:0; }
.page-head__media video,
.page-head__media img{ width:100%; height:100%; object-fit:cover; display:block; }
.page-head__scrim{ position:absolute; inset:0; z-index:1; }
.page-head__inner{ position:relative; z-index:2; }
.page-head--media{ padding-block:clamp(3.2rem,7vw,5.5rem); }

/* ==========================================================================
   Mapa esquemático y bloque de ubicación
   ========================================================================== */
.mapfig{ position:relative; border:1px solid var(--rule); background:var(--ink); overflow:hidden; }
.mapfig svg{ display:block; width:100%; height:auto; }
.mapfig__pin{ animation: pinPulse 2.4s ease-out infinite; transform-origin:center; }
@keyframes pinPulse{ 0%{ transform:scale(.6); opacity:0; } 25%{ opacity:.9; } 80%{ transform:scale(1.7); opacity:0; } 100%{ opacity:0; } }
@media (prefers-reduced-motion: reduce){ .mapfig__pin{ animation:none; opacity:.6; } }

.place{ display:grid; gap:.9rem; }
.place__row{ display:grid; grid-template-columns:22px 1fr; gap:.85rem; align-items:start; font-size:.97rem; }
.place__row svg{ margin-top:.2rem; color:var(--red-on-light); }
.place strong{ color:var(--ink); display:block; }
.section--ink .place strong{ color:#fff; }
.section--ink .place__row{ color:#cfc9c1; }
.section--ink .place__row svg{ color:var(--red-on-dark); }

/* Redes */
.social{ display:flex; gap:.6rem; flex-wrap:wrap; }
.social a{
  display:inline-flex; align-items:center; gap:.5rem; text-decoration:none;
  border:1px solid var(--rule); padding:.6rem .9rem; border-radius:2px;
  font-family:var(--mono); font-size:.68rem; letter-spacing:.14em; text-transform:uppercase;
  font-weight:600; color:var(--ink); transition:background .15s,color .15s,border-color .15s;
}
.social a:hover{ background:var(--ink); color:#fff; border-color:var(--ink); }
.site-footer .social a{ border-color:rgba(255,255,255,.22); color:#c2bab1; }
.site-footer .social a:hover{ background:rgba(255,255,255,.1); color:#fff; }

/* ---------- Globo del botón flotante de WhatsApp ---------- */
.wa-float{ position:fixed; }
.wa-float::after{
  content: attr(data-tip);
  position:absolute; right:calc(100% + 12px); top:50%; transform:translateY(-50%) translateX(6px);
  background:var(--ink); color:#fff; white-space:nowrap;
  font-family:var(--sans); font-size:.85rem; font-weight:700; letter-spacing:.01em;
  padding:.5rem .85rem; border-radius:3px;
  box-shadow:0 6px 20px -8px rgba(0,0,0,.55);
  opacity:0; pointer-events:none;
  transition:opacity .16s ease, transform .16s ease;
}
.wa-float::before{
  content:""; position:absolute; right:calc(100% + 5px); top:50%;
  transform:translateY(-50%) translateX(6px);
  border:7px solid transparent; border-left-color:var(--ink);
  opacity:0; pointer-events:none;
  transition:opacity .16s ease, transform .16s ease;
}
.wa-float:hover::after,.wa-float:focus-visible::after,
.wa-float:hover::before,.wa-float:focus-visible::before{
  opacity:1; transform:translateY(-50%) translateX(0);
}
@media (max-width:600px){
  .wa-float::after,.wa-float::before{ display:none; }
}

/* Banda superior sobre foto y video: el "eyebrow" es texto chico y no puede
   depender del fotograma que quede detrás. Se apaga sola a los 260 px. */
.hero::before,
.page-head--media::before{
  content:""; position:absolute; left:0; right:0; top:0; height:280px; z-index:1;
  background:linear-gradient(180deg,
    rgba(20,17,15,.94) 0%, rgba(20,17,15,.87) 38%, rgba(20,17,15,.42) 72%, rgba(20,17,15,0) 100%);
  pointer-events:none;
}

/* En pantallas angostas el texto ocupa todo el ancho: el velo deja de ser
   lateral y pasa a ser parejo, para que el contraste no dependa del recorte. */
@media (max-width:820px){
  .hero__media img{ opacity:.72; }
  .hero::after{
    background:linear-gradient(180deg,
      rgba(31,27,24,.74) 0%, rgba(31,27,24,.66) 42%, rgba(31,27,24,.90) 100%);
  }
  .page-head--media .page-head__media img,
  .page-head--media .page-head__media video{ opacity:.42 !important; }
  .page-head--media .page-head__scrim{
    background:linear-gradient(180deg,
      rgba(31,27,24,.80) 0%, rgba(31,27,24,.72) 45%, rgba(31,27,24,.92) 100%) !important;
  }
}

/* ---------- Color propio por tarjeta de contacto ---------- */
.contacts--light .contact{
  border-top:3px solid transparent;
  transition:border-color .18s, background .18s, transform .18s, box-shadow .18s;
}
.contacts--light .contact:hover,
.contacts--light .contact:focus-within{
  border-top-color:var(--c);
  background:color-mix(in srgb, var(--c) 7%, #fff);
  transform:translateY(-3px);
  box-shadow:0 16px 34px -24px rgba(31,27,24,.55);
}
.contacts--light .contact:hover .contact__name,
.contacts--light .contact:focus-within .contact__name{ color:var(--ct); }
.contacts--light .contact:hover .contact__role,
.contacts--light .contact:focus-within .contact__role{ color:var(--ct); }
.contacts--light .contact a:hover{ color:var(--ct); }

/* Sin color-mix (navegadores viejos): sólo el filete superior */
@supports not (background: color-mix(in srgb, red 5%, white)){
  .contacts--light .contact:hover{ background:var(--paper); }
}

/* ---------- Mapa interactivo de Google ---------- */
.mapfig--live{ background:var(--ink); border:1px solid var(--rule); }
.section--ink .mapfig--live{ border-color:rgba(255,255,255,.16); }
.mapfig--live iframe{
  display:block; width:100%; aspect-ratio:4/3; min-height:320px; border:0;
}
.mapfig--live figcaption{
  font-family:var(--mono); font-size:.62rem; letter-spacing:.12em; text-transform:uppercase;
  color:#9a938b; padding:.7rem .9rem; background:var(--ink);
}
@media (max-width:820px){ .mapfig--live iframe{ aspect-ratio:1/1; } }

/* ==========================================================================
   Selector de idioma
   ========================================================================== */
.header-tools{ display:flex; align-items:center; gap:.9rem; flex:0 0 auto; order:3; }
.langsel{
  display:inline-flex; align-items:center; gap:2px;
  border:1px solid rgba(255,255,255,.26); border-radius:3px; overflow:hidden;
}
.langsel a,.langsel__on{
  font-family:var(--mono); font-size:.68rem; letter-spacing:.12em; font-weight:700;
  padding:.42rem .6rem; line-height:1; text-decoration:none;
}
.langsel a{ color:#a9a29a; transition:background .15s,color .15s; }
.langsel a:hover,.langsel a:focus-visible{ background:rgba(255,255,255,.12); color:#fff; }
.langsel__on{ background:var(--red); color:#fff; }

/* En escritorio el menú va antes del selector */
@media (min-width:821px){
  .site-header__inner{ flex-wrap:nowrap; }
  .nav{ order:2; margin-left:auto; }
  .header-tools{ order:3; margin-left:1.2rem; }
}
@media (max-width:820px){
  .site-header__inner{ flex-wrap:wrap; }
  .header-tools{ order:2; margin-left:auto; }
  .nav{ order:3; }
}
@media (max-width:380px){
  .langsel a,.langsel__on{ padding:.4rem .45rem; font-size:.63rem; }
}