/* ============================================================
   Vidriería y Herrería El Ángel - Candelaria, Misiones
   Design read: industrial/construction-services landing.
   VARIANCE: 5  MOTION: 4  DENSITY: 4
   Palette: acero #1B3A4B · naranja #D4732E · aluminio #707070
   Fonts: Montserrat (display) + Open Sans (body)
   ============================================================ */

:root{
  --acero:#1B3A4B;
  --acero-osc:#102834;
  --acero-med:#2C5566;
  --naranja:#D4732E;
  --naranja-osc:#B45F22;
  --aluminio:#707070;
  --aluminio-claro:#9AA3A8;
  --blanco:#F5F5F5;
  --gris-100:#ECEEF0;
  --gris-200:#DDE1E4;
  --gris-300:#C4CAD0;
  --tinta:#1A262C;
  --tinta-suave:#3D4A52;
  --sombra:rgba(16,40,52,.12);
  --sombra-fuerte:rgba(16,40,52,.22);
  --radius:6px;
  --radius-lg:12px;
  --container:1200px;
  --ff-display:"Montserrat",system-ui,Arial,sans-serif;
  --ff-body:"Open Sans",system-ui,Arial,sans-serif;
  --trans:cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--ff-body);
  font-size:16px;
  line-height:1.65;
  color:var(--tinta);
  background:var(--blanco);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--acero);text-decoration:none}
a:hover{color:var(--naranja-osc)}
ul{list-style:none;padding:0}

h1,h2,h3,h4{
  font-family:var(--ff-display);
  color:var(--acero);
  font-weight:700;
  line-height:1.15;
  letter-spacing:-.01em;
}
h1{font-size:clamp(2rem,5vw,3.25rem)}
h2{font-size:clamp(1.6rem,3.6vw,2.4rem)}
h3{font-size:clamp(1.2rem,2vw,1.5rem);font-weight:600}
h4{font-size:1.05rem;font-weight:600}
p{max-width:65ch}

/* ---------- Utilities ---------- */
.container{
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:clamp(1.1rem,4vw,2.2rem);
}
.section{padding-block:clamp(3.5rem,7vw,5.5rem)}
.section-tight{padding-block:clamp(2.5rem,4vw,3.5rem)}
.section-dark{background:var(--acero);color:var(--blanco)}
.section-dark h2,.section-dark h3,.section-dark h4{color:var(--blanco)}
.section-dark p{color:#D6DDE1}
.section-grid{background:var(--gris-100)}
.eyebrow{
  display:inline-block;
  font-family:var(--ff-display);
  font-size:.875rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--naranja-osc);
  margin-bottom:.7rem;
}
.section-dark .eyebrow{color:var(--naranja)}
.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--tinta-suave)}
.section-dark .lead{color:#C9D3D8}
.section-head{max-width:60ch;margin-bottom:clamp(2rem,4vw,3rem)}
.section-head.center{margin-inline:auto;text-align:center}

/* ---------- Focus / a11y ---------- */
:focus-visible{
  outline:3px solid var(--naranja);
  outline-offset:2px;
  border-radius:3px;
}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute;
  left:.8rem;
  top:-120px;
  background:var(--acero);
  color:#fff;
  padding:.85rem 1.3rem;
  z-index:3000;
  font-weight:600;
  border-radius:var(--radius);
  transition:top .2s var(--trans);
}
.skip-link:focus{top:.8rem;color:#fff}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55rem;
  min-height:48px;
  padding:.85rem 1.6rem;
  border-radius:var(--radius);
  font-family:var(--ff-display);
  font-weight:600;
  font-size:1rem;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--trans),background .2s var(--trans),box-shadow .2s var(--trans),color .2s var(--trans);
  text-align:center;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:var(--naranja);
  color:#fff;
  box-shadow:0 8px 24px rgba(212,115,46,.28);
}
.btn-primary:hover{background:var(--naranja-osc);color:#fff;box-shadow:0 12px 32px rgba(212,115,46,.36)}
.btn-acero{
  background:var(--acero);
  color:#fff;
}
.btn-acero:hover{background:var(--acero-osc);color:#fff}
.btn-outline{
  background:transparent;
  color:var(--acero);
  border-color:var(--acero);
}
.btn-outline:hover{background:var(--acero);color:#fff}
.btn-ghost-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.65);
}
.btn-ghost-light:hover{background:#fff;color:var(--acero);border-color:#fff}
.btn-wa{
  background:#1FA653;
  color:#fff;
}
.btn-wa:hover{background:#178a45;color:#fff}
.btn-lg{min-height:54px;padding:1rem 2rem;font-size:1.08rem}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(245,245,245,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--gris-200);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  min-height:68px;
}
.brand{display:inline-flex;align-items:center;gap:.6rem;flex-shrink:0}
.brand img{height:40px;width:auto}
.brand-name{
  font-family:var(--ff-display);
  font-weight:700;
  color:var(--acero);
  font-size:1.1rem;
  line-height:1.1;
}
.brand-sub{
  display:block;
  font-family:var(--ff-body);
  font-size:.7rem;
  letter-spacing:.12em;
  color:var(--aluminio);
  font-weight:600;
  text-transform:uppercase;
}

.nav-toggle{
  display:none;
  position:relative;
  width:48px;
  height:48px;
  background:transparent;
  border:1px solid var(--gris-300);
  border-radius:var(--radius);
  cursor:pointer;
  z-index:1100;
}
.nav-toggle span{
  position:absolute;
  left:50%;
  top:50%;
  width:22px;
  height:2px;
  background:var(--acero);
  transform:translate(-50%,-50%);
  transition:transform .25s var(--trans),opacity .2s var(--trans);
}
.nav-toggle span:nth-child(1){transform:translate(-50%,-7px)}
.nav-toggle span:nth-child(3){transform:translate(-50%,5px)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translate(-50%,-50%) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translate(-50%,-50%) rotate(-45deg)}

.main-nav ul{
  display:flex;
  align-items:center;
  gap:clamp(.6rem,1.4vw,1.6rem);
}
.main-nav a{
  display:inline-block;
  padding:.55rem .35rem;
  font-family:var(--ff-display);
  font-weight:600;
  font-size:.95rem;
  color:var(--acero);
  position:relative;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--naranja);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s var(--trans);
}
.main-nav a:hover::after,.main-nav a:focus-visible::after{transform:scaleX(1)}
.main-nav a[aria-current="page"]{color:var(--naranja-osc)}
.nav-cta{margin-left:.6rem}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:var(--acero);
  color:var(--blanco);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:0;
  align-items:stretch;
  min-height:clamp(420px,70vh,640px);
}
.hero-content{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:1.3rem;
  padding-block:clamp(2.6rem,6vw,4rem);
  padding-right:clamp(1rem,3vw,3rem);
  max-width:560px;
}
.hero h1{color:#fff;line-height:1.05}
.hero h1 .accent{color:var(--naranja)}
.hero-sub{color:#C9D3D8;font-size:clamp(1.05rem,1.5vw,1.18rem);max-width:48ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:.4rem}
.hero-figure{position:relative;min-height:340px}
.hero-figure img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,var(--acero) 0%,rgba(27,58,75,.35) 28%,rgba(27,58,75,0) 60%);
  pointer-events:none;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:1.6rem;
  margin-top:1.4rem;
  padding-top:1.4rem;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stat strong{
  display:block;
  font-family:var(--ff-display);
  font-size:1.7rem;
  font-weight:700;
  color:#fff;
  line-height:1;
}
.hero-stat span{font-size:.875rem;color:#AEB9C0;font-weight:500}

/* ---------- Trust strip ---------- */
.trust-strip{
  background:var(--acero-osc);
  color:#C9D3D8;
  border-top:1px solid rgba(255,255,255,.08);
}
.trust-strip .container{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:1rem 2rem;
  padding-block:1rem;
}
.trust-item{
  display:flex;
  align-items:center;
  gap:.6rem;
  font-size:.95rem;
  font-weight:600;
  color:#D6DDE1;
}
.trust-item svg{width:22px;height:22px;color:var(--naranja);flex-shrink:0}

/* ---------- Services ---------- */
.service-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:clamp(1rem,2vw,1.6rem);
}
.service-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--gris-200);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .3s var(--trans),box-shadow .3s var(--trans),border-color .3s var(--trans);
}
.service-card:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 40px var(--sombra-fuerte);
  border-color:var(--naranja);
}
.service-card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--gris-200)}
.service-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--trans)}
.service-card:hover .thumb img{transform:scale(1.05)}
.service-card .body{padding:1.4rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.service-card .icon{width:38px;height:38px;color:var(--naranja)}
.service-card h3{color:var(--acero)}
.service-card p{color:var(--tinta-suave);font-size:.96rem}
.service-card .more{
  margin-top:auto;
  font-family:var(--ff-display);
  font-weight:600;
  color:var(--naranja-osc);
  font-size:.9rem;
}
.service-card .more:hover{color:var(--naranja)}

/* ---------- Materiales / specs ---------- */
.materials-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:clamp(1rem,2vw,1.4rem);
}
.material-card{
  background:#fff;
  border:1px solid var(--gris-200);
  border-left:4px solid var(--naranja);
  border-radius:var(--radius);
  padding:1.4rem;
  display:flex;
  flex-direction:column;
  gap:.5rem;
}
.material-card .label{
  font-family:var(--ff-display);
  font-size:.875rem;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--aluminio);
}
.material-card .value{
  font-family:var(--ff-display);
  font-size:1.5rem;
  font-weight:700;
  color:var(--acero);
  line-height:1.1;
}
.material-card .note{font-size:.9rem;color:var(--tinta-suave)}

/* ---------- About ---------- */
.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(2rem,4vw,3.5rem);
  align-items:center;
}
.about-media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:0 24px 50px var(--sombra-fuerte);
}
.about-media img{width:100%;height:100%;object-fit:cover}
.about-media .badge{
  position:absolute;
  bottom:1rem;
  left:1rem;
  background:var(--naranja);
  color:#fff;
  font-family:var(--ff-display);
  font-weight:700;
  padding:.7rem 1.1rem;
  border-radius:var(--radius);
  font-size:1.05rem;
}
.about-list{
  display:grid;
  gap:.8rem;
  margin-top:1.4rem;
}
.about-list li{
  display:flex;
  gap:.7rem;
  align-items:flex-start;
  font-size:1rem;
  color:var(--tinta-suave);
}
.about-list .tick{width:22px;height:22px;color:var(--naranja);flex-shrink:0;margin-top:.1rem}

/* ---------- Process ---------- */
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:clamp(1rem,2vw,1.6rem);
}
.process-step{
  position:relative;
  padding-top:1.4rem;
  border-top:3px solid var(--gris-300);
}
.process-step .num{
  font-family:var(--ff-display);
  font-size:.875rem;
  font-weight:700;
  color:var(--naranja-osc);
  letter-spacing:.1em;
}
.process-step h3{margin:.5rem 0 .4rem}
.process-step p{font-size:.95rem;color:var(--tinta-suave)}

/* ---------- Testimonials ---------- */
.testi-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:clamp(1rem,2vw,1.6rem);
}
.testi-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);
  padding:1.6rem;
  display:flex;
  flex-direction:column;
  gap:1rem;
}
.testi-stars{color:var(--naranja);font-size:1.05rem;letter-spacing:.15em}
.testi-quote{
  font-size:1.02rem;
  line-height:1.6;
  color:#E6ECF0;
  flex:1;
}
.testi-author{display:flex;flex-direction:column;gap:.15rem}
.testi-author .name{font-family:var(--ff-display);font-weight:700;color:#fff;font-size:1rem}
.testi-author .role{font-size:.875rem;color:#AEB9C0}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:.8rem;max-width:780px}
.faq-item{
  background:#fff;
  border:1px solid var(--gris-200);
  border-radius:var(--radius);
  overflow:hidden;
}
.faq-trigger{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  text-align:left;
  padding:1.1rem 1.3rem;
  background:transparent;
  border:none;
  cursor:pointer;
  font-family:var(--ff-display);
  font-weight:600;
  font-size:1.02rem;
  color:var(--acero);
  min-height:56px;
}
.faq-trigger .icon{
  width:22px;height:22px;flex-shrink:0;color:var(--naranja);
  transition:transform .25s var(--trans);
}
.faq-trigger[aria-expanded="true"] .icon{transform:rotate(45deg)}
.faq-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s var(--trans);
}
.faq-panel-inner{padding:0 1.3rem 1.2rem;color:var(--tinta-suave)}

/* ---------- Location ---------- */
.location-grid{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:clamp(1.6rem,3vw,2.6rem);
  align-items:start;
}
.location-info{display:grid;gap:1.2rem}
.info-row{display:flex;gap:.9rem;align-items:flex-start}
.info-row .icon{width:26px;height:26px;color:var(--naranja);flex-shrink:0;margin-top:.1rem}
.info-row .label{
  font-family:var(--ff-display);
  font-size:.875rem;
  font-weight:600;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--aluminio);
  display:block;
}
.info-row .val{font-size:1.02rem;color:var(--tinta);font-weight:500}
.map-wrap{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--gris-200);
  box-shadow:0 18px 40px var(--sombra);
}
.map-wrap iframe{display:block;width:100%;height:380px;border:0}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(120deg,var(--acero),var(--acero-osc));
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-banner::before{
  content:"";
  position:absolute;
  right:-8%;top:-30%;
  width:46%;height:160%;
  background:radial-gradient(circle,rgba(212,115,46,.30),transparent 60%);
  pointer-events:none;
}
.cta-banner .container{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:1.6rem;
  position:relative;
}
.cta-banner h2{color:#fff;margin-bottom:.4rem}
.cta-banner p{color:#C9D3D8}

/* ---------- Contact form ---------- */
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1.2rem 1.4rem;
}
.field{display:flex;flex-direction:column;gap:.4rem}
.field.full{grid-column:1/-1}
.field label{
  font-family:var(--ff-display);
  font-weight:600;
  font-size:.92rem;
  color:var(--acero);
}
.field label .req{color:var(--naranja-osc)}
.field input,.field select,.field textarea{
  font-family:var(--ff-body);
  font-size:1rem;
  color:var(--tinta);
  background:#fff;
  border:1.5px solid var(--gris-300);
  border-radius:var(--radius);
  padding:.8rem .9rem;
  min-height:48px;
  transition:border-color .2s var(--trans),box-shadow .2s var(--trans);
  width:100%;
}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--naranja);
  box-shadow:0 0 0 3px rgba(212,115,46,.22);
}
.field input::placeholder,.field textarea::placeholder{color:var(--aluminio)}
.field .error-msg{
  font-size:.85rem;
  color:#B23B17;
  font-weight:600;
  display:none;
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea{border-color:#B23B17}
.field.has-error .error-msg{display:block}
.form-note{font-size:.875rem;color:var(--tinta-suave);margin-top:.4rem}
.form-success{
  display:none;
  background:#E7F4EC;
  border:1px solid #4F9D6B;
  border-radius:var(--radius);
  padding:1rem 1.2rem;
  color:#1F5C36;
  font-weight:600;
  margin-bottom:1.2rem;
}
.form-success.show{display:block}

/* ---------- Page header ---------- */
.page-hero{
  background:var(--acero);
  color:#fff;
  padding-block:clamp(2.6rem,5vw,4rem);
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-10%;bottom:-50%;
  width:50%;height:200%;
  background:radial-gradient(circle,rgba(212,115,46,.22),transparent 60%);
  pointer-events:none;
}
.page-hero h1{color:#fff}
.page-hero p{color:#C9D3D8;max-width:60ch;margin-top:.6rem}
.breadcrumbs{
  font-size:.875rem;
  color:#AEB9C0;
  margin-bottom:1rem;
}
.breadcrumbs a{color:#D6DDE1}
.breadcrumbs a:hover{color:#fff}

/* ---------- Service detail ---------- */
.service-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(1.6rem,4vw,3rem);
  align-items:center;
  margin-bottom:clamp(2.5rem,5vw,4rem);
}
.service-block:nth-child(even) .service-block-media{order:2}
.service-block-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:0 20px 44px var(--sombra-fuerte);
}
.service-block-media img{width:100%;height:100%;object-fit:cover}
.service-block-body h2{margin-bottom:.6rem}
.spec-list{display:grid;gap:.6rem;margin-top:1.2rem}
.spec-list li{
  display:flex;
  gap:.6rem;
  align-items:flex-start;
  font-size:.97rem;
  color:var(--tinta-suave);
}
.spec-list .dot{width:8px;height:8px;background:var(--naranja);border-radius:50%;margin-top:.5rem;flex-shrink:0}

/* ---------- About page stats ---------- */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:clamp(1rem,2vw,1.6rem);
}
.stat-card{
  text-align:center;
  padding:1.6rem 1rem;
  background:#fff;
  border:1px solid var(--gris-200);
  border-radius:var(--radius-lg);
}
.stat-card .num{
  font-family:var(--ff-display);
  font-size:clamp(2rem,4vw,2.8rem);
  font-weight:700;
  color:var(--naranja);
  line-height:1;
}
.stat-card .lbl{font-size:.95rem;color:var(--tinta-suave);margin-top:.4rem;font-weight:600}

.values-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:clamp(1rem,2vw,1.6rem);
}
.value-card{
  padding:1.6rem;
  background:#fff;
  border:1px solid var(--gris-200);
  border-radius:var(--radius-lg);
}
.value-card .icon{width:34px;height:34px;color:var(--naranja);margin-bottom:.8rem}
.value-card h3{margin-bottom:.5rem}
.value-card p{font-size:.95rem;color:var(--tinta-suave)}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--acero-osc);
  color:#C9D3D8;
  padding-block:clamp(2.6rem,5vw,3.6rem) 1.4rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:clamp(1.6rem,3vw,2.6rem);
  margin-bottom:2rem;
}
.footer-col h3{color:#fff;margin-bottom:1rem;font-size:1rem}
.footer-col ul{display:grid;gap:.55rem}
.footer-col a{color:#C9D3D8;font-size:.95rem}
.footer-col a:hover{color:var(--naranja)}
.footer-brand .brand-name{color:#fff}
.footer-contact li{display:flex;gap:.6rem;align-items:flex-start;font-size:.95rem;color:#C9D3D8}
.footer-contact .icon{width:20px;height:20px;color:var(--naranja);flex-shrink:0;margin-top:.1rem}
.footer-social{display:flex;gap:.7rem;margin-top:1rem}
.footer-social a{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius);
  color:#C9D3D8;
}
.footer-social a:hover{background:var(--naranja);border-color:var(--naranja);color:#fff}
.footer-social svg{width:20px;height:20px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:1.2rem;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:.6rem;
  font-size:.875rem;
  color:#9AA3A8;
}

/* ---------- WhatsApp float ---------- */
.wa-float{
  position:fixed;
  right:clamp(1rem,3vw,1.8rem);
  bottom:clamp(1rem,3vw,1.8rem);
  z-index:1400;
  width:58px;
  height:58px;
  border-radius:50%;
  background:#1FA653;
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 10px 30px rgba(31,166,83,.45);
  transition:transform .25s var(--trans),background .25s var(--trans);
}
.wa-float:hover{background:#178a45;color:#fff;transform:scale(1.06)}
.wa-float svg{width:30px;height:30px}
.wa-float .pulse{
  position:absolute;
  inset:0;
  border-radius:50%;
  background:#1FA653;
  opacity:.55;
  z-index:-1;
}

/* ---------- Scroll reveal ---------- */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .6s var(--trans),transform .6s var(--trans);
}
.reveal.is-visible{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  .materials-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .values-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media (max-width:860px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;
    inset:0 0 0 auto;
    width:min(84vw,360px);
    background:var(--acero);
    transform:translateX(100%);
    transition:transform .3s var(--trans);
    padding:5rem 1.6rem 2rem;
    z-index:1050;
    box-shadow:-20px 0 60px rgba(0,0,0,.3);
    overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:.4rem}
  .main-nav a{color:#fff;padding:.9rem .4rem;font-size:1.05rem;border-bottom:1px solid rgba(255,255,255,.1)}
  .main-nav a::after{display:none}
  .main-nav a[aria-current="page"]{color:var(--naranja)}
  .main-nav .nav-cta{margin-left:0;margin-top:.8rem}
  .main-nav .nav-cta .btn{width:100%}
  .nav-backdrop{
    position:fixed;inset:0;
    background:rgba(16,40,52,.5);
    opacity:0;visibility:hidden;
    transition:opacity .3s var(--trans);
    z-index:1040;
  }
  .nav-backdrop.open{opacity:1;visibility:visible}

  .hero-grid{grid-template-columns:1fr}
  .hero-figure{min-height:260px;order:-1}
  .hero-figure::after{background:linear-gradient(0deg,var(--acero) 0%,rgba(27,58,75,.25) 50%,transparent 100%)}

  .service-grid,.testi-grid{grid-template-columns:1fr}
  .about-grid,.location-grid,.service-block{grid-template-columns:1fr}
  .service-block:nth-child(even) .service-block-media{order:0}
  .form-grid{grid-template-columns:1fr}
  .cta-banner .container{flex-direction:column;align-items:flex-start;text-align:left}
  .cta-banner .btn{width:100%}
}

@media (max-width:480px){
  .hero-stats{gap:1.1rem}
  .hero-stat strong{font-size:1.4rem}
  .materials-grid,.process-grid,.stat-grid,.values-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
  .wa-float .pulse{display:none}
}