/* Contech Construction — Metric-inspired polish + ILMG-style reveals */
:root{
  --orange:#E85D04;
  --orange-dark:#c44d03;
  --orange-soft:rgba(232,93,4,.12);
  --yellow:#F4A261;
  --amber:#F9B233;
  --ink:#1C1C1C;
  --ink-soft:#3A3A3A;
  --muted:#6B6B6B;
  --line:#E6E2DC;
  --bg:#FAF8F5;
  --bg-alt:#F3F0EB;
  --white:#FFFFFF;
  --charcoal:#141414;
  --shadow:0 12px 40px rgba(28,28,28,.1);
  --shadow-lg:0 24px 60px rgba(28,28,28,.14);
  --radius:14px;
  --max:1200px;
  --header-h:76px;
  --font-display:"Barlow Condensed",system-ui,sans-serif;
  --font-body:"DM Sans",system-ui,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --grad-brand:linear-gradient(135deg,#E85D04 0%,#F08A24 52%,#F9B233 100%);
  --grad-brand-soft:linear-gradient(135deg,rgba(232,93,4,.14) 0%,rgba(249,178,51,.08) 100%);
  --grad-cream:linear-gradient(180deg,#FAF8F5 0%,#FFFFFF 100%);
  --grad-cream-alt:linear-gradient(180deg,#F3F0EB 0%,#FAF8F5 55%,#FFFFFF 100%);
  --grad-hero:linear-gradient(105deg,rgba(20,20,20,.9) 0%,rgba(20,20,20,.58) 46%,rgba(232,93,4,.22) 100%),linear-gradient(0deg,rgba(20,20,20,.78) 0%,transparent 48%);
  --grad-page-hero:linear-gradient(105deg,rgba(20,20,20,.94) 0%,rgba(28,28,28,.7) 55%,rgba(232,93,4,.28) 100%);
  --grad-cta:linear-gradient(135deg,#141414 0%,#1f1a16 48%,#2a1810 100%);
  --wa-green:#25D366;
  --wa-green-dark:#1ebe57;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:1.05rem;
  line-height:1.65;
  color:var(--ink);
  background:var(--grad-cream);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--orange);text-decoration:none}
a:hover{color:var(--orange-dark)}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.08;
  letter-spacing:.02em;
  color:var(--ink);
  margin:0 0 .5em;
}
.container{width:min(100% - 2.5rem, var(--max));margin-inline:auto}
.section{padding:5.5rem 0;background:var(--grad-cream)}
.section-alt{background:var(--grad-cream-alt)}
.section-dark{background:var(--ink);color:var(--white)}
.section-dark h2,.section-dark h3{color:var(--white)}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--orange);margin-bottom:1rem;
}
.eyebrow::before{content:"";width:1.4rem;height:2px;background:var(--orange)}
.lead{font-size:1.15rem;color:var(--muted);max-width:38rem;line-height:1.7}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--font-display);font-weight:700;font-size:1.02rem;
  letter-spacing:.07em;text-transform:uppercase;
  padding:1rem 1.65rem;border-radius:8px;border:2px solid transparent;
  cursor:pointer;transition:background .25s var(--ease),color .25s,border-color .25s,transform .25s var(--ease),box-shadow .25s;
  text-decoration:none;line-height:1;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad-brand);color:var(--white);border-color:transparent;box-shadow:0 8px 24px rgba(232,93,4,.28);background-size:160% 160%;background-position:0% 50%}
.btn-primary:hover{background:var(--grad-brand);background-position:100% 50%;border-color:transparent;color:var(--white);box-shadow:0 12px 28px rgba(232,93,4,.38)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--white)}
.btn-outline-light{background:transparent;color:var(--white);border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:var(--white);color:var(--ink)}
.btn-ghost{background:transparent;color:var(--ink);border-color:transparent;padding-inline:.25rem}
.btn-ghost:hover{color:var(--orange)}
.btn-light{background:var(--white);color:var(--ink);border-color:var(--white)}
.btn-light:hover{background:var(--bg);color:var(--ink)}

/* Header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(250,248,245,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s,box-shadow .3s;
}
.site-header.is-scrolled{
  background:rgba(250,248,245,.96);
  border-bottom-color:var(--line);
  box-shadow:0 8px 30px rgba(28,28,28,.06);
}
.site-header.on-dark{
  background:transparent;border-bottom-color:transparent;
}
.site-header.on-dark .logo,.site-header.on-dark .nav a{color:var(--white)}
.site-header.on-dark .logo-text span{color:rgba(255,255,255,.65)}
.site-header.on-dark .btn-outline{color:var(--white);border-color:rgba(255,255,255,.55)}
.site-header.on-dark .btn-outline:hover{background:var(--white);color:var(--ink)}
.site-header.on-dark.is-scrolled,
.site-header.on-dark.is-solid{
  background:rgba(20,20,20,.94);
  border-bottom-color:rgba(255,255,255,.08);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:var(--header-h);gap:1rem;
}
.logo{
  display:flex;align-items:center;gap:.7rem;
  color:var(--ink);text-decoration:none;flex-shrink:0;
}
.logo:hover{color:inherit}
.logo-mark{width:38px;height:38px}
.logo-text{
  font-family:var(--font-display);font-weight:700;font-size:1.4rem;
  letter-spacing:.04em;text-transform:uppercase;line-height:1;
}
.logo-text span{display:block;font-size:.68rem;font-weight:500;letter-spacing:.16em;color:var(--muted);margin-top:.18rem}
.nav{display:flex;align-items:center;gap:1.85rem}
.nav a{
  font-family:var(--font-display);font-weight:600;font-size:.98rem;
  letter-spacing:.07em;text-transform:uppercase;color:var(--ink-soft);
  position:relative;padding:.25rem 0;
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--orange);
  transition:width .3s var(--ease);
}
.nav a:hover::after,.nav a[aria-current="page"]::after{width:100%}
.nav a:hover,.nav a[aria-current="page"]{color:var(--orange)}
.header-cta{display:flex;align-items:center;gap:.75rem}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:var(--white);border-radius:8px;cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.site-header.on-dark .nav-toggle{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25)}
.site-header.on-dark .nav-toggle span{background:var(--white)}

/* Full-bleed Hero (Metric-style) */
.hero-full{
  position:relative;min-height:min(92vh,860px);
  display:flex;align-items:flex-end;
  color:var(--white);overflow:hidden;
  margin-top:0;padding-top:var(--header-h);
  background:#1a1a1a;
}
.hero-full__bg{
  position:absolute;inset:0;z-index:0;
}
.hero-full__bg picture,.hero-full__bg img{
  width:100%;height:100%;object-fit:cover;position:absolute;inset:0;
}
.hero-full__bg::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:var(--grad-hero);
}
.hero-full__inner{
  position:relative;z-index:2;width:min(100% - 2.5rem, var(--max));
  margin:0 auto;padding:4.5rem 0 5rem;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:.55rem;
  width:fit-content;padding:.45rem 1rem;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
  backdrop-filter:blur(8px);
  font-size:.82rem;font-weight:600;color:rgba(255,255,255,.88);margin-bottom:1.35rem;
  letter-spacing:.04em;
}
.hero-badge svg{width:14px;height:14px;color:var(--orange)}
.hero-full h1{
  font-size:clamp(2.75rem,6.2vw,4.6rem);
  text-transform:uppercase;margin-bottom:1rem;max-width:14ch;
  color:var(--white);text-shadow:0 2px 30px rgba(0,0,0,.25);
}
.hero-full h1 em{font-style:normal;color:var(--orange)}
.hero-sub{color:rgba(255,255,255,.78);font-size:1.12rem;max-width:34rem;margin-bottom:2rem;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:1rem}
.hero-full .btn-ghost{color:rgba(255,255,255,.9)}
.hero-full .btn-ghost:hover{color:var(--orange)}

/* Trust / stats strip */
.trust{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line);border-block:1px solid var(--line);
  position:relative;z-index:3;
}
.trust-item{
  background:var(--white);padding:1.85rem 1.35rem;text-align:center;
  transition:background .25s;
}
.trust-item:hover{background:var(--bg)}
.trust-item strong{
  display:block;font-family:var(--font-display);font-size:2rem;
  font-weight:700;color:var(--orange);letter-spacing:.02em;line-height:1.1;
}
.trust-item span{font-size:.88rem;color:var(--muted);display:block;margin-top:.35rem}

/* Section heads */
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:1.5rem;margin-bottom:2.75rem}
.section-head h2{font-size:clamp(2rem,3.8vw,2.85rem);text-transform:uppercase;margin:0;max-width:18ch}

/* Cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.35rem}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:box-shadow .35s var(--ease),transform .35s var(--ease),border-color .35s;
  display:flex;flex-direction:column;height:100%;
  position:relative;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;z-index:2;
  background:var(--grad-brand);opacity:.92;
}
.card:hover{box-shadow:var(--shadow);transform:translateY(-6px);border-color:rgba(232,93,4,.28)}
.card-media{aspect-ratio:16/11;overflow:hidden;background:var(--bg-alt);position:relative}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.card:hover .card-media img{transform:scale(1.06)}
.card-media .media-tag{
  position:absolute;left:1rem;bottom:1rem;z-index:1;
  background:var(--grad-brand);color:#fff;font-family:var(--font-display);
  font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700;
  padding:.35rem .7rem;border-radius:4px;
}
.card-body{padding:1.45rem 1.5rem 1.65rem;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:1.4rem;text-transform:uppercase;margin-bottom:.45rem}
.card-body p{color:var(--muted);font-size:.98rem;margin:0 0 1.1rem;flex:1}
.card-link{
  font-family:var(--font-display);font-weight:700;font-size:.95rem;
  letter-spacing:.07em;text-transform:uppercase;color:var(--orange);
  display:inline-flex;align-items:center;gap:.4rem;margin-top:auto;
  transition:gap .25s var(--ease);
}
.card-link:hover{gap:.7rem}

/* Project cards overlay style */
.project-card .card-body{gap:.3rem}
.project-meta{font-size:.8rem;color:var(--orange);font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.project-gallery .card-media{aspect-ratio:4/3}

/* About split */
.about-split{display:grid;grid-template-columns:1.05fr .95fr;gap:3.5rem;align-items:center}
.about-media{border-radius:var(--radius);overflow:hidden;aspect-ratio:5/4;position:relative;box-shadow:var(--shadow)}
.about-media img{width:100%;height:100%;object-fit:cover}
.about-media .accent{
  position:absolute;left:0;bottom:0;width:100%;height:7px;background:var(--grad-brand);
}
.about-media .float-badge{
  position:absolute;right:1.25rem;bottom:1.5rem;
  background:var(--white);padding:1rem 1.25rem;border-radius:10px;
  box-shadow:var(--shadow);text-align:center;min-width:7rem;
}
.about-media .float-badge strong{
  display:block;font-family:var(--font-display);font-size:1.75rem;color:var(--orange);line-height:1;
}
.about-media .float-badge span{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2rem}
.stat{padding:1.1rem 1rem;background:var(--bg-alt);border-radius:10px;border-left:3px solid var(--orange)}
.stat strong{display:block;font-family:var(--font-display);font-size:1.6rem;color:var(--ink)}
.stat span{font-size:.82rem;color:var(--muted)}

/* Process */
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;counter-reset:step}
.process-step{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.75rem 1.4rem;position:relative;transition:transform .3s var(--ease),box-shadow .3s;
  overflow:hidden;
}
.process-step::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);
}
.process-step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.process-step::before{
  counter-increment:step;content:counter(step, decimal-leading-zero);
  font-family:var(--font-display);font-weight:700;font-size:1.85rem;
  color:var(--orange);display:block;margin-bottom:.85rem;letter-spacing:.04em;
}
.process-step h3{font-size:1.2rem;text-transform:uppercase;margin-bottom:.45rem}
.process-step p{margin:0;font-size:.92rem;color:var(--muted)}

/* Testimonials */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.35rem}
.quote{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.75rem;display:flex;flex-direction:column;gap:1.15rem;
  transition:transform .3s var(--ease),box-shadow .3s;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.quote::before{
  content:"“";font-family:var(--font-display);font-size:3rem;line-height:1;
  color:var(--orange);opacity:.55;margin-bottom:-.5rem;
}
.quote p{margin:0;color:var(--ink-soft);font-size:1rem;flex:1;line-height:1.65}
.quote footer{font-size:.88rem;color:var(--muted)}
.quote footer strong{display:block;color:var(--ink);font-family:var(--font-display);font-size:1.05rem;letter-spacing:.04em;text-transform:uppercase}
.sample-note{font-size:.75rem;color:var(--muted);font-style:italic;margin-top:.25rem}

/* CTA band */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-cta);color:var(--white);padding:4.5rem 0;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 72% 35%,rgba(232,93,4,.28),transparent 52%),
    linear-gradient(90deg,rgba(249,178,51,.08),transparent 40%,rgba(232,93,4,.12));
  pointer-events:none;
}
.cta-band .container{position:relative;z-index:1}
.cta-band h2{color:var(--white);font-size:clamp(1.9rem,3.8vw,2.7rem);text-transform:uppercase;margin-bottom:.85rem}
.cta-band p{color:rgba(255,255,255,.72);max-width:36rem;margin:0 auto 1.75rem;font-size:1.05rem}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.85rem}

/* Page hero (inner) — photo backed */
.page-hero{
  position:relative;padding:calc(var(--header-h) + 3.5rem) 0 3.25rem;
  background:var(--charcoal);color:var(--white);overflow:hidden;
  min-height:280px;display:flex;align-items:flex-end;
}
.page-hero.has-bg::before{
  content:"";position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.35;filter:saturate(.9);
}
.page-hero.has-bg::after{
  content:"";position:absolute;inset:0;
  background:var(--grad-page-hero);
}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:clamp(2.2rem,4.5vw,3.4rem);text-transform:uppercase;margin-bottom:.55rem;color:var(--white)}
.page-hero .lead{color:rgba(255,255,255,.72)}
.breadcrumb{font-size:.88rem;color:rgba(255,255,255,.55);margin-bottom:1rem}
.breadcrumb a{color:rgba(255,255,255,.7)}
.breadcrumb a:hover{color:var(--orange)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:2.75rem}
.contact-info{display:flex;flex-direction:column;gap:1.25rem}
.info-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.35rem 1.5rem;transition:border-color .25s,box-shadow .25s;
}
.info-card:hover{border-color:rgba(232,93,4,.3);box-shadow:var(--shadow)}
.info-card h3{font-size:1.05rem;text-transform:uppercase;margin-bottom:.4rem;color:var(--orange)}
.info-card p,.info-card a{margin:0;color:var(--ink-soft)}
.form{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem;box-shadow:var(--shadow);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.8rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;margin-bottom:.45rem;color:var(--ink-soft)}
.field input,.field select,.field textarea{
  width:100%;padding:.85rem 1rem;border:1px solid var(--line);border-radius:8px;
  font:inherit;background:var(--bg);color:var(--ink);transition:border-color .2s,background .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:2px solid var(--orange);outline-offset:1px;background:var(--white);border-color:transparent;
}
.field textarea{min-height:150px;resize:vertical}
.form-note{font-size:.82rem;color:var(--muted);margin-top:.85rem}

/* Service detail */
.service-detail{display:grid;grid-template-columns:1.45fr .85fr;gap:2.75rem}
.service-detail .sidebar{position:sticky;top:calc(var(--header-h) + 1.25rem);align-self:start}
.service-hero-img{border-radius:var(--radius);overflow:hidden;margin-bottom:1.75rem;aspect-ratio:16/9;box-shadow:var(--shadow)}
.service-hero-img img{width:100%;height:100%;object-fit:cover}
.side-nav{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.side-nav a{
  display:block;padding:1rem 1.3rem;border-bottom:1px solid var(--line);
  color:var(--ink-soft);font-family:var(--font-display);font-weight:600;
  letter-spacing:.05em;text-transform:uppercase;font-size:.98rem;
  transition:background .2s,color .2s,padding-left .25s var(--ease);
}
.side-nav a:last-child{border-bottom:0}
.side-nav a:hover,.side-nav a.active{background:var(--bg);color:var(--orange);padding-left:1.55rem}
.check-list{margin:1rem 0 0;padding:0}
.check-list li{
  position:relative;padding:.5rem 0 .5rem 1.7rem;color:var(--ink-soft);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.8rem;width:11px;height:11px;
  border-radius:3px;background:var(--orange);
}

/* Footer */
.site-footer{background:var(--charcoal);color:rgba(255,255,255,.68);padding:4rem 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2.25rem;padding-bottom:3rem}
.footer-brand .logo{margin-bottom:1.15rem}
.footer-brand .logo-text,.footer-brand .logo{color:var(--white)}
.footer-brand .logo-text span{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:.92rem;max-width:30ch;margin:0;line-height:1.65}
.footer-col h4{
  font-family:var(--font-display);font-size:1.05rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--white);margin-bottom:1.1rem;
}
.footer-col a{display:block;color:rgba(255,255,255,.62);padding:.35rem 0;font-size:.92rem;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--orange);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:1.35rem 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:.85rem;
  font-size:.8rem;color:rgba(255,255,255,.42);
}
.footer-credits{
  border-top:1px solid rgba(255,255,255,.08);
  padding:1rem 0 1.5rem;font-size:.72rem;color:rgba(255,255,255,.35);line-height:1.6;
}
.footer-credits strong{color:rgba(255,255,255,.5);font-weight:600}

/* Utilities */
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.text-center{text-align:center}
.prose{max-width:44rem}
.prose p{color:var(--muted);margin:0 0 1.1rem}
.prose h2{font-size:1.85rem;text-transform:uppercase;margin-top:2.25rem}
.tag{
  display:inline-block;padding:.28rem .65rem;border-radius:4px;
  background:var(--orange-soft);color:var(--orange);
  font-size:.75rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
}

/* ILMG-style reveal animations */
.js .reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay:var(--d, 0ms);
}
.js .reveal.is-in{
  opacity:1;
  transform:translateY(0);
}
.js .reveal-left{
  opacity:0;transform:translateX(-28px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay:var(--d, 0ms);
}
.js .reveal-left.is-in{opacity:1;transform:translateX(0)}
.js .reveal-scale{
  opacity:0;transform:scale(.96);
  transition:opacity .75s var(--ease), transform .75s var(--ease);
  transition-delay:var(--d, 0ms);
}
.js .reveal-scale.is-in{opacity:1;transform:scale(1)}

/* Responsive */
@media (max-width:980px){
  .trust{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-4,.quote-grid,.process-steps{grid-template-columns:1fr 1fr}
  .about-split,.contact-grid,.service-detail{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-toggle{display:flex}
  .nav{
    display:none;position:absolute;left:0;right:0;top:var(--header-h);
    background:var(--white);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:1rem;gap:0;
    box-shadow:var(--shadow);
  }
  .site-header.on-dark .nav{background:#1a1a1a;border-bottom-color:rgba(255,255,255,.08)}
  .nav.is-open{display:flex}
  .nav a{padding:.9rem .5rem;border-bottom:1px solid var(--line)}
  .site-header.on-dark .nav a{border-bottom-color:rgba(255,255,255,.08)}
  .header-inner{position:relative}
  .header-cta .btn-outline{display:none}
  .hero-full{min-height:78vh;align-items:center}
  .hero-full__inner{padding:3rem 0 3.5rem}
}
@media (max-width:640px){
  .section{padding:3.75rem 0}
  .grid-3,.grid-4,.quote-grid,.process-steps,.form-row,.trust,.footer-grid,.stat-row{grid-template-columns:1fr}
  .hero-full h1{font-size:2.45rem}
  .container{width:min(100% - 1.75rem, var(--max))}
}

/* Floating WhatsApp (miiracellplus-style hover chip) */
.wa-float{
  position:fixed;right:1.25rem;bottom:1.25rem;z-index:999;
  display:inline-flex;align-items:center;justify-content:flex-start;gap:.7rem;
  width:58px;height:58px;padding:0 0 0 12px;
  border-radius:999px;background:var(--wa-green);color:#fff!important;
  box-shadow:0 10px 28px rgba(37,211,102,.38),0 2px 8px rgba(0,0,0,.12);
  text-decoration:none!important;
  transition:width .3s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease),padding .3s var(--ease),background .25s;
  overflow:hidden;
}
.wa-float:hover,.wa-float:focus-visible{
  width:188px;padding:0 1.2rem 0 12px;
  transform:scale(1.04) translateY(-2px);
  background:var(--wa-green-dark);color:#fff!important;
  box-shadow:0 14px 34px rgba(37,211,102,.45),0 4px 12px rgba(0,0,0,.14);
  outline:none;
}
.wa-float__icon{
  position:relative;z-index:1;flex:0 0 34px;width:34px;height:34px;
  display:grid;place-items:center;
}
.wa-float__icon svg{width:26px;height:26px;display:block;fill:#fff}
.wa-float__label{
  position:relative;z-index:1;
  font-family:var(--font-display);font-weight:700;font-size:.95rem;
  letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;
  opacity:0;transform:translateX(6px);
  transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.wa-float:hover .wa-float__label,.wa-float:focus-visible .wa-float__label{
  opacity:1;transform:translateX(0);
}
.wa-float__pulse{
  position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  box-shadow:0 0 0 0 rgba(37,211,102,.55);
  animation:wa-pulse 2.2s ease-out infinite;
}
@keyframes wa-pulse{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}
  70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}
}
@media (max-width:640px){
  .wa-float{right:1rem;bottom:1rem;width:54px;height:54px;padding-left:10px}
  .wa-float:hover,.wa-float:focus-visible{width:172px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
  .js .reveal,.js .reveal-left,.js .reveal-scale{opacity:1;transform:none}
  .wa-float__pulse{display:none}
  .wa-float:hover,.wa-float:focus-visible{transform:none}
}