/* ============================================================
   BORO Servicios Industriales — TuPaginaYa
   Paleta: acero oscuro + azul de marca + naranja fuego (del logo)
   Tipografías: Saira (display) · IBM Plex Sans (texto) · IBM Plex Mono (técnico)
   ============================================================ */

:root{
  --neg:#070C11;
  --acero-900:#0A1219;
  --acero-800:#101A23;
  --acero-700:#16242F;
  --acero-600:#1E313E;
  --linea-d:rgba(190,214,232,.13);

  --hueso:#F2F5F7;
  --gris:#8FA2B0;
  --gris-cl:#B9C7D2;
  --plata:#D6E0E8;

  --azul:#2A7FC4;
  --azul-cl:#5FC3F0;
  --azul-d:#17518C;
  --azul-glow:rgba(70,160,232,.34);

  --fuego:#F4791F;
  --fuego-cl:#FFB25C;
  --fuego-d:#D8410F;
  --fuego-glow:rgba(244,121,31,.36);

  --wa:#25D366;

  --disp:'Saira', system-ui, sans-serif;
  --txt:'IBM Plex Sans', system-ui, sans-serif;
  --mono:'IBM Plex Mono', ui-monospace, monospace;

  --max:1220px;
  --r:6px;
  --nav-h:76px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--txt);
  background:var(--acero-900);
  color:var(--hueso);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:var(--fuego);color:#0A1219}

.wrap{width:min(100% - 44px, var(--max));margin-inline:auto}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .75s cubic-bezier(.2,.7,.3,1), transform .75s cubic-bezier(.2,.7,.3,1)}
.reveal.visible{opacity:1;transform:none}

/* ============================================================
   SIGNATURE — viga de puente grúa como indicador de scroll
   ============================================================ */
.viga{
  position:fixed;left:0;right:0;top:var(--nav-h);height:0;z-index:60;pointer-events:none;
}
.viga__alma{
  position:absolute;left:0;right:0;top:0;height:7px;
  background:
    linear-gradient(180deg, #3B4D5B 0%, #22323E 42%, #0F1A22 45%, #22323E 48%, #3B4D5B 100%);
  border-bottom:1px solid rgba(0,0,0,.6);
  box-shadow:0 6px 18px -8px rgba(0,0,0,.9);
}
.viga__alma::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg, rgba(255,255,255,.07) 0 2px, transparent 2px 34px);
}
.viga__carro{
  position:absolute;top:0;left:0;
  transform:translateX(3vw);
  transition:transform .18s linear;
  will-change:transform;
}
.carro__cuerpo{
  width:38px;height:14px;margin-left:-19px;
  background:linear-gradient(180deg,var(--fuego-cl),var(--fuego) 55%,var(--fuego-d));
  border-radius:0 0 3px 3px;
  box-shadow:0 3px 12px -2px var(--fuego-glow);
}
.carro__cable{
  width:2px;height:18px;margin-left:-1px;
  background:linear-gradient(180deg,rgba(214,224,232,.85),rgba(214,224,232,.35));
}
.carro__gancho{
  width:15px;margin-left:-7.5px;color:var(--plata);opacity:.9;
}
.carro__gancho svg{width:15px;height:21px}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:70;
  display:flex;align-items:center;gap:28px;
  padding-inline:clamp(18px,4vw,46px);
  background:rgba(7,12,17,.5);
  border-bottom:1px solid transparent;
  transition:background .35s ease, border-color .35s ease, height .35s ease;
}
.nav.fija{background:rgba(7,12,17,.94);border-bottom-color:var(--linea-d);height:68px}
.nav__logo{display:flex;align-items:center;gap:11px;margin-right:auto}
.nav__mark{width:38px;height:38px;flex:none;filter:drop-shadow(0 2px 8px rgba(0,0,0,.5))}
.nav__txt{display:flex;flex-direction:column;line-height:1}
.nav__txt strong{
  font-family:var(--disp);font-weight:800;font-size:20px;letter-spacing:.12em;
  background:linear-gradient(180deg,#F0F5F9,#9FB0BC);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav__txt em{
  font-style:normal;font-family:var(--mono);font-size:8.5px;letter-spacing:.24em;
  color:var(--fuego);margin-top:4px;
}
.nav__links{display:flex;gap:30px}
.nav__links a{
  font-size:13.5px;font-weight:500;color:var(--gris-cl);letter-spacing:.02em;
  position:relative;padding-block:6px;transition:color .25s;
}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--fuego);transition:width .3s cubic-bezier(.2,.8,.3,1);
}
.nav__links a:hover{color:#fff}
.nav__links a:hover::after{width:100%}
.nav__wa{
  display:flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--r);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  background:rgba(37,211,102,.1);border:1px solid rgba(37,211,102,.4);color:#7CE8A6;
  transition:background .25s, color .25s, transform .25s;
}
.nav__wa svg{width:16px;height:16px}
.nav__wa:hover{background:var(--wa);color:#062412;transform:translateY(-1px)}
.nav__burger{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nav__burger span{display:block;width:24px;height:2px;background:var(--plata);transition:.3s}
.nav__burger.abierto span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger.abierto span:nth-child(2){opacity:0}
.nav__burger.abierto span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.menu-mobile{
  position:fixed;top:var(--nav-h);left:0;right:0;z-index:65;
  background:rgba(7,12,17,.98);border-bottom:1px solid var(--linea-d);
  display:flex;flex-direction:column;
  max-height:0;overflow:hidden;transition:max-height .4s ease;
}
.menu-mobile.abierto{max-height:340px}
.menu-mobile a{
  padding:16px 26px;border-bottom:1px solid var(--linea-d);
  font-family:var(--disp);font-weight:600;font-size:15px;letter-spacing:.05em;
  color:var(--gris-cl);
}
.menu-mobile a:last-child{border-bottom:0}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;min-height:100dvh;display:flex;align-items:center;
  padding:calc(var(--nav-h) + 40px) 0 90px;overflow:hidden;
}
.hero__video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
  filter:saturate(.92) contrast(1.05);
}
.hero__velo{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(100deg, rgba(7,12,17,.96) 0%, rgba(8,16,23,.86) 34%, rgba(10,18,25,.5) 62%, rgba(10,18,25,.34) 100%),
    linear-gradient(180deg, rgba(7,12,17,.85) 0%, transparent 26%, transparent 58%, rgba(7,12,17,.94) 100%),
    radial-gradient(120% 80% at 82% 62%, rgba(216,65,15,.22), transparent 60%);
}
.hero__grid{
  position:absolute;inset:0;z-index:2;opacity:.5;
  background-image:
    linear-gradient(rgba(143,162,176,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143,162,176,.07) 1px, transparent 1px);
  background-size:78px 78px;
  mask-image:linear-gradient(100deg, #000 0%, #000 44%, transparent 78%);
  -webkit-mask-image:linear-gradient(100deg, #000 0%, #000 44%, transparent 78%);
}
.hero__inner{
  position:relative;z-index:3;
  width:min(100% - 44px, var(--max));margin-inline:auto;
  max-width:none;
}

/* chapa colgante (badge) — cuelga de un cable, ligado al concepto de izaje */
.chapa{display:flex;flex-direction:column;align-items:flex-start;margin-bottom:26px}
.chapa__linea{
  width:1px;height:34px;margin-left:26px;
  background:linear-gradient(180deg, transparent, rgba(214,224,232,.55));
}
.chapa__cuerpo{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 16px 8px 13px;
  font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.22em;
  color:var(--plata);
  background:linear-gradient(180deg, rgba(30,49,62,.9), rgba(16,26,35,.9));
  border:1px solid rgba(190,214,232,.24);
  border-radius:3px;
  box-shadow:0 10px 24px -12px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.08);
  animation:colgar 5.5s ease-in-out infinite;
  transform-origin:26px -34px;
}
.chapa__cuerpo i{
  width:7px;height:7px;border-radius:50%;background:var(--fuego);
  box-shadow:0 0 0 3px rgba(244,121,31,.2);
  animation:latir 2.2s ease-in-out infinite;
}
@keyframes colgar{0%,100%{transform:rotate(-1.1deg)}50%{transform:rotate(1.1deg)}}
@keyframes latir{0%,100%{opacity:1;box-shadow:0 0 0 3px rgba(244,121,31,.2)}50%{opacity:.65;box-shadow:0 0 0 6px rgba(244,121,31,0)}}

.hero__h1{
  font-family:var(--disp);font-weight:800;
  font-size:clamp(2.35rem, 6.1vw, 4.65rem);
  line-height:1.02;letter-spacing:-.022em;
  text-transform:none;
  max-width:15ch;
  text-shadow:0 14px 44px rgba(0,0,0,.75);
}
.hero__h1 .hl{
  background:linear-gradient(100deg,var(--fuego-cl),var(--fuego) 48%,var(--fuego-d));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__p{
  margin-top:22px;max-width:46ch;
  font-size:clamp(1rem,1.55vw,1.16rem);font-weight:300;color:var(--gris-cl);
  text-shadow:0 2px 14px rgba(0,0,0,.7);
}
.hero__btns{display:flex;flex-wrap:wrap;gap:13px;margin-top:34px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 28px;border-radius:var(--r);
  font-family:var(--disp);font-weight:700;font-size:14.5px;letter-spacing:.045em;
  text-transform:uppercase;
  transition:transform .25s cubic-bezier(.2,.8,.3,1), box-shadow .25s, background .25s, color .25s, border-color .25s;
}
.btn svg{width:17px;height:17px;flex:none}
.btn--fuego{
  background:linear-gradient(135deg,var(--fuego-cl),var(--fuego) 40%,var(--fuego-d));
  color:#140800;
  box-shadow:0 14px 34px -14px var(--fuego-glow), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn--fuego:hover{transform:translateY(-2px);box-shadow:0 20px 42px -14px var(--fuego-glow), inset 0 1px 0 rgba(255,255,255,.45)}
.btn--ghost{
  background:rgba(214,224,232,.05);border:1px solid rgba(190,214,232,.28);color:var(--plata);
  backdrop-filter:none;
}
.btn--ghost:hover{border-color:var(--azul-cl);color:#fff;background:rgba(42,127,196,.16)}
.btn--xl{padding:19px 40px;font-size:17px;letter-spacing:.06em}
.btn--xl svg{width:21px;height:21px}

.hero__tres{
  display:flex;flex-wrap:wrap;gap:0;margin-top:52px;
  border-top:1px solid rgba(190,214,232,.16);
  max-width:600px;
}
.hero__tres li{
  flex:1 1 0;min-width:130px;
  padding:16px 18px 0 0;
  font-family:var(--disp);font-weight:600;font-size:clamp(.95rem,1.5vw,1.08rem);
  color:var(--plata);letter-spacing:.02em;
  display:flex;align-items:baseline;gap:10px;
}
.hero__tres b{
  font-family:var(--mono);font-size:11px;font-weight:500;color:var(--fuego);letter-spacing:.1em;
}

.hero__scroll{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--gris);
}
.hero__scroll span{
  width:1px;height:42px;
  background:linear-gradient(180deg, transparent, var(--fuego));
  animation:bajar 2.4s ease-in-out infinite;
}
@keyframes bajar{0%,100%{opacity:.3;transform:scaleY(.6);transform-origin:top}50%{opacity:1;transform:scaleY(1)}}

/* ============================================================
   FRANJA marquee
   ============================================================ */
.franja{
  background:linear-gradient(180deg,#12202A,#0C161E);
  border-block:1px solid var(--linea-d);
  overflow:hidden;padding:15px 0;
}
.franja__pista{
  display:flex;align-items:center;gap:26px;white-space:nowrap;width:max-content;
  animation:correr 44s linear infinite;
}
.franja__pista span{
  font-family:var(--disp);font-weight:600;font-size:13px;letter-spacing:.19em;color:var(--gris-cl);
}
.franja__pista i{color:var(--fuego);font-style:normal;font-size:8px;opacity:.9}
@keyframes correr{to{transform:translateX(-50%)}}

/* ============================================================
   TÍTULOS
   ============================================================ */
.tit{max-width:720px;margin-bottom:56px}
.tit--centro{margin-inline:auto;text-align:center}
.tit__num{
  display:inline-block;margin-bottom:18px;
  font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.28em;
  color:var(--fuego);
  padding-bottom:7px;border-bottom:1px solid rgba(244,121,31,.3);
}
.tit__num--claro{color:var(--azul-cl);border-bottom-color:rgba(95,195,240,.3)}
.tit h2, .cert h2, .empresa h2, .cta h2{
  font-family:var(--disp);font-weight:700;
  font-size:clamp(1.75rem,3.6vw,2.85rem);line-height:1.12;letter-spacing:-.018em;
}
.tit p{margin-top:18px;color:var(--gris);font-weight:300;font-size:1.04rem;max-width:56ch}
.tit--centro p{margin-inline:auto}

/* ============================================================
   SERVICIOS
   ============================================================ */
.serv{padding:clamp(72px,10vw,124px) 0;background:var(--acero-900);position:relative}
.serv::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(90% 55% at 12% 0%, rgba(42,127,196,.12), transparent 62%);
}
.serv .wrap{position:relative}
.serv__grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.card{
  background:linear-gradient(168deg, var(--acero-700), var(--acero-800) 62%);
  border:1px solid var(--linea-d);
  border-radius:var(--r);
  padding:34px 30px 32px;
  position:relative;overflow:hidden;
  transition:border-color .35s, transform .35s cubic-bezier(.2,.8,.3,1), box-shadow .35s;
}
.card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--fuego),var(--fuego-d));
  transform:scaleX(0);transform-origin:left;
  transition:transform .45s cubic-bezier(.2,.8,.3,1);
}
.card:hover{transform:translateY(-5px);border-color:rgba(190,214,232,.26);box-shadow:0 26px 56px -26px rgba(0,0,0,.85)}
.card:hover::before{transform:scaleX(1)}
.card--ancha{grid-column:span 2}
.card__ico{
  width:52px;height:52px;margin-bottom:22px;
  display:grid;place-items:center;border-radius:5px;
  background:linear-gradient(145deg, rgba(42,127,196,.2), rgba(23,81,140,.1));
  border:1px solid rgba(95,195,240,.26);
  color:var(--azul-cl);
}
.card__ico svg{width:27px;height:27px}
.card:hover .card__ico{
  background:linear-gradient(145deg, rgba(244,121,31,.2), rgba(216,65,15,.1));
  border-color:rgba(255,178,92,.32);color:var(--fuego-cl);
  transition:.35s;
}
.card h3{
  font-family:var(--disp);font-weight:700;font-size:1.3rem;letter-spacing:-.01em;margin-bottom:11px;
}
.card p{color:var(--gris);font-weight:300;font-size:.98rem}
.card__lista{
  display:grid;grid-template-columns:1fr 1fr;gap:9px 22px;margin-top:22px;
  padding-top:20px;border-top:1px solid var(--linea-d);
}
.card__lista li{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.045em;color:var(--gris-cl);
  display:flex;align-items:center;gap:9px;
}
.card__lista li::before{
  content:"";width:5px;height:5px;flex:none;
  background:var(--fuego);transform:rotate(45deg);
}

/* ============================================================
   CERTIFICACIÓN
   ============================================================ */
.cert{
  position:relative;padding:clamp(72px,10vw,124px) 0;
  background:linear-gradient(180deg,#0C1821,#0A141C);
  border-block:1px solid var(--linea-d);overflow:hidden;
}
.cert__plano{
  position:absolute;inset:0;opacity:.55;
  background-image:
    linear-gradient(rgba(95,195,240,.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,195,240,.09) 1px, transparent 1px),
    linear-gradient(rgba(95,195,240,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,195,240,.045) 1px, transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px;
  mask-image:radial-gradient(75% 70% at 30% 45%, #000, transparent 78%);
  -webkit-mask-image:radial-gradient(75% 70% at 30% 45%, #000, transparent 78%);
}
.cert__wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,5vw,72px);align-items:center}
.cert__izq p{margin-block:20px 30px;color:var(--gris-cl);font-weight:300;font-size:1.05rem;max-width:50ch}
.cert__izq p b{color:var(--hueso);font-weight:500}
.cert__panel{
  background:linear-gradient(170deg, rgba(22,36,47,.96), rgba(12,22,30,.96));
  border:1px solid rgba(95,195,240,.22);
  border-radius:var(--r);
  box-shadow:0 34px 70px -34px rgba(0,0,0,.95);
  overflow:hidden;
}
.cert__panelTop{
  display:flex;align-items:center;gap:10px;
  padding:14px 22px;
  background:rgba(42,127,196,.14);border-bottom:1px solid rgba(95,195,240,.2);
  font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.2em;color:var(--azul-cl);
}
.cert__panelTop .dot{
  width:7px;height:7px;border-radius:50%;background:var(--azul-cl);
  box-shadow:0 0 10px var(--azul-cl);animation:latir 2.4s ease-in-out infinite;
}
.cert__lista{padding:10px 22px 6px}
.cert__lista li{
  display:flex;align-items:flex-start;gap:13px;
  padding:13px 0;border-bottom:1px solid var(--linea-d);
  font-size:.97rem;color:var(--gris-cl);font-weight:300;
}
.cert__lista li:last-child{border-bottom:0}
.cert__lista li::before{
  content:"";flex:none;margin-top:5px;width:13px;height:13px;border-radius:2px;
  background:rgba(42,127,196,.2);border:1px solid rgba(95,195,240,.45);
  background-image:linear-gradient(135deg,transparent 45%, var(--azul-cl) 45%, var(--azul-cl) 55%, transparent 55%);
}
.cert__pie{
  padding:15px 22px;background:rgba(244,121,31,.08);border-top:1px solid rgba(244,121,31,.2);
  font-size:.88rem;color:var(--fuego-cl);font-weight:400;
}

/* ============================================================
   MARCAS
   ============================================================ */
.marcas{padding:clamp(64px,8vw,104px) 0;background:var(--acero-900)}
.marcas__row{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;
  gap:clamp(28px,6vw,88px);
}
.marca{
  flex:0 1 340px;
  padding:34px 40px;border-radius:var(--r);
  border:1px solid var(--linea-d);background:rgba(22,36,47,.5);
  color:var(--gris-cl);text-align:center;
  transition:color .35s, border-color .35s, transform .35s, background .35s;
}
.marca:hover{color:#fff;border-color:rgba(95,195,240,.35);background:rgba(42,127,196,.1);transform:translateY(-3px)}
.marca__nom{
  display:block;font-family:var(--disp);font-weight:800;
  font-size:clamp(1.9rem,4vw,2.5rem);letter-spacing:.07em;line-height:1;
  background:linear-gradient(180deg,#F2F6F9,#8FA2B0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.marca__nom--it{font-style:italic;letter-spacing:.01em}
.marca__baj{
  display:block;margin-top:10px;padding-top:12px;
  border-top:1px solid rgba(190,214,232,.16);
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--azul-cl);
}
.marca__desc{display:block;margin-top:12px;font-size:.9rem;font-weight:300;color:var(--gris)}
.marcas__nota{
  margin:42px auto 0;max-width:60ch;text-align:center;
  color:var(--gris);font-weight:300;font-size:.98rem;
}

/* ============================================================
   EMPRESA
   ============================================================ */
.empresa{
  padding:clamp(72px,10vw,124px) 0;
  background:linear-gradient(180deg,#0A141C,#0C1821);
  border-top:1px solid var(--linea-d);
}
.empresa__wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(38px,5vw,76px);align-items:start}
.empresa__lead{margin-block:20px 16px;font-size:1.1rem;color:var(--hueso);font-weight:400}
.empresa__txt > p:not(.empresa__lead){color:var(--gris);font-weight:300}
.empresa__lema{
  display:flex;align-items:center;gap:18px;margin-top:34px;
  padding:20px 24px;border-left:3px solid var(--fuego);
  background:linear-gradient(90deg, rgba(244,121,31,.09), transparent 70%);
}
.empresa__lema img{width:56px;height:56px;flex:none}
.empresa__lema span{
  font-family:var(--disp);font-weight:600;font-size:clamp(1.05rem,2vw,1.3rem);
  color:var(--plata);letter-spacing:-.01em;
}
.empresa__pilares{display:grid;gap:1px;background:var(--linea-d);border:1px solid var(--linea-d);border-radius:var(--r);overflow:hidden}
.empresa__pilares li{
  background:var(--acero-800);padding:24px 26px;
  transition:background .3s;
}
.empresa__pilares li:hover{background:var(--acero-700)}
.empresa__pilares b{
  display:block;font-family:var(--disp);font-weight:700;font-size:1.04rem;
  color:var(--hueso);margin-bottom:6px;
}
.empresa__pilares b::before{
  content:"";display:inline-block;width:6px;height:6px;margin-right:10px;
  background:var(--azul-cl);transform:rotate(45deg);vertical-align:middle;
}
.empresa__pilares span{color:var(--gris);font-size:.94rem;font-weight:300;line-height:1.6}

/* ============================================================
   CTA
   ============================================================ */
.cta{position:relative;padding:clamp(78px,11vw,132px) 0;background:var(--neg);overflow:hidden;text-align:center}
.cta__glow{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(900px,120vw);aspect-ratio:1;
  background:radial-gradient(circle, rgba(244,121,31,.16), transparent 62%);
  pointer-events:none;
}
.cta__wrap{position:relative;display:flex;flex-direction:column;align-items:center}
.cta p{margin-block:16px 34px;color:var(--gris-cl);font-weight:300;font-size:1.06rem;max-width:48ch}
.cta__nota{
  margin-top:22px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--gris);
}

/* ============================================================
   FOOTER
   ============================================================ */
.foot{background:var(--neg);border-top:1px solid var(--linea-d);padding-top:58px}
.foot__wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px}
.foot__marca{display:flex;gap:16px;align-items:flex-start}
.foot__marca img{width:64px;height:64px;flex:none}
.foot__marca strong{
  display:block;font-family:var(--disp);font-weight:800;font-size:24px;letter-spacing:.12em;
  background:linear-gradient(180deg,#F0F5F9,#93A5B2);
  -webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1;
}
.foot__marca em{
  display:block;font-style:normal;font-family:var(--mono);font-size:9.5px;letter-spacing:.24em;
  color:var(--fuego);margin-top:4px;
}
.foot__marca span{display:block;margin-top:12px;color:var(--gris);font-size:.9rem;font-weight:300;font-style:italic}
.foot__col h4{
  font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.22em;
  color:var(--plata);margin-bottom:16px;text-transform:uppercase;
}
.foot__col a, .foot__col span{
  display:block;padding:5px 0;color:var(--gris);font-size:.93rem;font-weight:300;transition:color .25s;
}
.foot__col a:hover{color:var(--fuego-cl)}
.foot__base{
  border-top:1px solid var(--linea-d);
  padding:20px clamp(22px,4vw,46px);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:.82rem;color:#63737F;
}
.foot__base a{color:var(--gris-cl)}
.foot__base a:hover{color:var(--fuego-cl)}

/* ---------- WhatsApp flotante ---------- */
.wa-flota{
  position:fixed;right:20px;bottom:20px;z-index:80;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--wa);color:#062412;
  box-shadow:0 14px 30px -10px rgba(37,211,102,.6);
  transition:transform .28s cubic-bezier(.2,.8,.3,1);
}
.wa-flota svg{width:29px;height:29px}
.wa-flota:hover{transform:scale(1.08)}
.wa-flota::after{
  content:"";position:absolute;inset:0;border-radius:50%;
  border:2px solid rgba(37,211,102,.55);
  animation:onda 2.6s ease-out infinite;
}
@keyframes onda{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.6);opacity:0}}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1100px){
  .serv__grid{grid-template-columns:repeat(2,1fr)}
  .card--ancha{grid-column:span 2}
  .nav__links{gap:22px}
}
@media (max-width:900px){
  .nav__links{display:none}
  .nav__burger{display:flex}
  .nav__wa span{display:none}
  .nav__wa{padding:10px 12px}
  .cert__wrap{grid-template-columns:1fr}
  .empresa__wrap{grid-template-columns:1fr}
  .foot__wrap{grid-template-columns:1fr 1fr}
  .foot__marca{grid-column:span 2}
}
@media (max-width:768px){
  :root{--nav-h:66px}
  .viga{display:none}
  .hero{min-height:92dvh;padding-bottom:74px}
  .hero__h1{max-width:100%}
  .hero__tres{margin-top:38px}
  .serv__grid{grid-template-columns:1fr}
  .card--ancha{grid-column:span 1}
  .card__lista{grid-template-columns:1fr}
  .tit{margin-bottom:40px}
}
@media (max-width:480px){
  .wrap, .hero__inner{width:min(100% - 32px, var(--max))}
  .nav{gap:14px}
  .nav__mark{width:34px;height:34px}
  .nav__txt strong{font-size:18px}
  .nav__txt em{font-size:7.5px;letter-spacing:.18em;white-space:nowrap}
  .hero__tres li{min-width:44%}
  .hero__btns .btn{width:100%}
  .btn--xl{width:100%;padding:18px 20px;font-size:15px}
  .foot__wrap{grid-template-columns:1fr}
  .foot__marca{grid-column:span 1}
  .marca{padding:20px 24px}
  .empresa__lema{flex-direction:column;align-items:flex-start;gap:12px}
}

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