*,::before,::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --brand: oklch(0.685 0.196 47);
  --brand-hover: oklch(0.61 0.21 43);
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-900: #0f172a;
  --slate-950: #020617;
}
body{font-family:'Inter',system-ui,sans-serif;background:#fff;color:#0f172a;line-height:1.5}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
/* Utility helpers */
.ff-display{font-family:'Archivo',system-ui,sans-serif}
.display{font-family:'Archivo',system-ui,sans-serif;font-weight:900;text-transform:uppercase;letter-spacing:-0.04em}
.eyebrow{font-family:'Archivo',system-ui,sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:0.3em;font-size:0.7rem;color:var(--brand)}

/* ===== NAV ===== */
nav.site-nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--slate-100)}
.nav-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:1.25rem 2rem}
.nav-logo{display:flex;align-items:center;gap:.6rem}
.nav-badge{width:36px;height:36px;background:var(--brand);border-radius:4px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:'Archivo',sans-serif;font-weight:900;font-style:italic;font-size:.8rem;letter-spacing:-.05em}
.nav-badge-img{width:40px;height:40px;object-fit:contain;flex-shrink:0}
.nav-logo-img{height:90px;width:auto;object-fit:contain}
.nav-brand{font-family:'Archivo',sans-serif;font-weight:900;font-size:1.1rem;letter-spacing:-.03em;text-transform:uppercase}
.nav-links{display:flex;gap:2.5rem;list-style:none}
.nav-links a{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;color:var(--slate-500);transition:color .2s}
.nav-links a:hover{color:var(--brand)}
.btn-quote{padding:.6rem 1.25rem;background:var(--slate-900);color:#fff;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;transition:background .2s}
.btn-quote:hover{background:var(--brand)}
@media(max-width:768px){.nav-links{display:none}}

/* ===== HERO ===== */
.hero{position:relative}
.hero-grid{display:grid;grid-template-columns:1fr;min-height:85vh}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr}}
.hero-text{display:flex;flex-direction:column;justify-content:center;padding:5rem 2rem 5rem 3rem;background:var(--slate-50);order:2}
@media(min-width:1024px){.hero-text{padding:5rem 2rem 5rem 5rem;order:1}}
.hero-h1{font-family:'Archivo',sans-serif;font-weight:800;text-transform:uppercase;letter-spacing:-0.02em;line-height:1.08;margin-bottom:1rem;display:flex;flex-direction:column;gap:.2em}
.hero-h1-line1{color:var(--slate-900);font-size:clamp(2rem,4.4vw,3.1rem)}
.hero-h1-line2{color:var(--brand);font-size:clamp(1.4rem,3vw,2.05rem)}
.hero-tagline{font-family:'Inter',sans-serif;font-weight:500;color:var(--slate-600);font-size:.95rem;letter-spacing:.01em;margin-bottom:2rem}
.hero-p{max-width:30rem;color:var(--slate-600);font-size:1rem;line-height:1.7;margin-bottom:2.5rem}
.hero-logo{width:100%;max-width:22rem;height:auto;margin-bottom:2rem}
.hero-btns{display:flex;flex-wrap:wrap;gap:1rem}
.btn-primary{padding:1rem 2rem;background:var(--brand);color:#fff;font-weight:700;font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;transition:background .2s;box-shadow:0 20px 25px -5px rgba(0,0,0,.15)}
.btn-primary:hover{background:var(--brand-hover)}
.btn-outline{padding:1rem 2rem;border:2px solid var(--slate-200);color:var(--slate-900);font-weight:700;font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;transition:background .2s}
.btn-outline:hover{background:var(--slate-100)}
.hero-img-wrap{position:relative;order:1;min-height:400px}
@media(min-width:1024px){.hero-img-wrap{order:2}}
.hero-img-wrap img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-badge{position:absolute;bottom:2rem;left:1.5rem;background:#fff;padding:1.75rem;box-shadow:0 25px 50px -12px rgba(0,0,0,.25);border-left:4px solid var(--brand);max-width:16rem}
@media(min-width:1024px){.hero-badge{left:-2.5rem}}
.hero-badge-num{font-family:'Archivo',sans-serif;font-weight:900;font-size:1.8rem}
.hero-badge-label{font-size:.6rem;color:var(--slate-500);text-transform:uppercase;font-weight:700;letter-spacing:.2em;margin-top:.25rem}

/* ===== SECTIONS SHARED ===== */
.container{max-width:1280px;margin:0 auto;padding:0 2rem}
.section-pad{padding:6rem 0}
.h2{font-family:'Archivo',sans-serif;font-weight:900;text-transform:uppercase;letter-spacing:-.04em;font-size:clamp(2rem,5vw,3rem)}
.h3{font-family:'Archivo',sans-serif;font-weight:900;text-transform:uppercase;letter-spacing:-.03em}
.bar{height:4px;width:80px;background:var(--brand);margin-top:1.25rem}
.grid-gap{display:grid;gap:1px;background:var(--slate-200);border:1px solid var(--slate-200)}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}

/* ===== CAPABILITIES ===== */
.cap-header{margin-bottom:4rem;display:flex;flex-direction:column;gap:1.5rem}
@media(min-width:1024px){.cap-header{flex-direction:row;align-items:flex-end;justify-content:space-between}}
.cap-card{background:#fff;padding:2.5rem;transition:background .2s}
.cap-card:hover{background:var(--slate-50)}
.cap-num{font-family:'Archivo',sans-serif;font-size:3rem;font-weight:900;color:var(--slate-200);transition:color .2s;margin-bottom:2rem}
.cap-card:hover .cap-num{color:var(--brand)}
.cap-title{font-family:'Archivo',sans-serif;font-weight:700;text-transform:uppercase;font-size:1.1rem;margin-bottom:1rem;letter-spacing:-.02em}
.cap-desc{color:var(--slate-600);font-size:.85rem;line-height:1.7;margin-bottom:2rem}
.cap-img{width:100%;aspect-ratio:16/10;overflow:hidden;background:var(--slate-100)}
.cap-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.cap-card:hover .cap-img img{transform:scale(1.05)}
.cap-link{margin-top:1.5rem;display:flex;align-items:center;gap:.5rem;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;transition:color .2s}
.cap-card:hover .cap-link{color:var(--brand)}

/* ===== STATS STRIP ===== */
.stats{background:var(--slate-950);padding:5rem 0}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2.5rem}
@media(min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat-num{color:#fff;font-family:'Archivo',sans-serif;font-size:clamp(2rem,5vw,3rem);font-weight:900;text-align:center;letter-spacing:-.04em;margin-bottom:.5rem}
.stat-label{color:var(--slate-500);font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;text-align:center}

/* ===== WHY US ===== */
.why-grid{display:grid}
@media(min-width:1024px){.why-grid{grid-template-columns:1fr 1fr}}
.why-img{position:relative;min-height:400px}
@media(min-width:1024px){.why-img{min-height:600px}}
.why-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.why-text{background:var(--slate-50);padding:3rem 2rem}
@media(min-width:640px){.why-text{padding:5rem 2.5rem}}
@media(min-width:1024px){.why-text{padding:5rem}}
.why-h2{font-family:'Archivo',sans-serif;font-weight:900;text-transform:uppercase;letter-spacing:-.04em;font-size:clamp(2rem,4vw,2.8rem);line-height:1;margin-bottom:2rem}
.why-h2 span{color:var(--slate-400);font-style:italic}
.why-p{color:var(--slate-600);line-height:1.7;margin-bottom:2.5rem;max-width:32rem}
.why-list{list-style:none;display:flex;flex-direction:column;gap:1.25rem}
.why-item{display:flex;gap:1.25rem}
.why-dot{width:6px;height:6px;background:var(--brand);margin-top:.6rem;flex-shrink:0}
.why-item-title{font-family:'Archivo',sans-serif;font-weight:700;text-transform:uppercase;font-size:.85rem;letter-spacing:-.02em}
.why-item-desc{color:var(--slate-500);font-size:.85rem;margin-top:.25rem}

/* ===== INDUSTRIES ===== */
.ind-grid{grid-template-columns:repeat(2,1fr)}
@media(min-width:768px){.ind-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.ind-grid{grid-template-columns:repeat(6,1fr)}}
.ind-cell{background:#fff;aspect-ratio:1;display:flex;align-items:center;justify-content:center;text-align:center;padding:1rem;transition:background .2s}
.ind-cell:hover{background:var(--slate-50)}
.ind-cell span{font-family:'Archivo',sans-serif;font-weight:700;text-transform:uppercase;font-size:.85rem;letter-spacing:-.02em;line-height:1.2}

/* ===== MID CTA ===== */
.mid-cta{background:var(--brand);padding:5rem 0}
.mid-cta-inner{max-width:1280px;margin:0 auto;padding:0 2rem;display:flex;flex-direction:column;gap:2.5rem}
@media(min-width:1024px){.mid-cta-inner{flex-direction:row;align-items:center;justify-content:space-between}}
.mid-cta-h2{font-family:'Archivo',sans-serif;font-weight:900;text-transform:uppercase;letter-spacing:-.04em;font-size:clamp(2rem,5vw,3.5rem);color:#fff;line-height:.95;max-width:32rem}
.mid-cta-p{color:rgba(255,255,255,.9);margin-top:1.25rem;max-width:28rem}
.btn-dark{flex-shrink:0;padding:1.25rem 2.5rem;background:var(--slate-950);color:#fff;font-weight:700;font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;transition:all .2s}
.btn-dark:hover{background:#fff;color:var(--slate-950)}

/* ===== SECTION HEADER (reused) ===== */
.sec-head{background:var(--slate-50);border-bottom:1px solid var(--slate-100)}
.sec-head-inner{max-width:1280px;margin:0 auto;padding:5rem 2rem}
@media(min-width:1024px){.sec-head-inner{padding:7rem 2rem}}
.sec-head-h2{font-family:'Archivo',sans-serif;font-weight:900;text-transform:uppercase;letter-spacing:-.04em;font-size:clamp(2.5rem,7vw,4.5rem);line-height:.95;margin-top:1rem;max-width:52rem}
.sec-head-h2 span{color:var(--slate-400);font-style:italic}
.sec-head-p{margin-top:1.5rem;max-width:40rem;color:var(--slate-600);font-size:1.1rem;line-height:1.7}

/* ===== FURNACES ===== */
.furnaces-body{max-width:1280px;margin:0 auto;padding:5rem 2rem;display:grid;gap:3rem;align-items:center}
@media(min-width:1024px){.furnaces-body{grid-template-columns:1fr 1fr}}
.furnaces-body img{width:100%;aspect-ratio:4/3;object-fit:cover}
.furnaces-table-wrap{background:var(--slate-50);padding:5rem 0}
.table-inner{max-width:1280px;margin:0 auto;padding:0 2rem}
.tbl{border-collapse:collapse;width:100%;font-size:.85rem}
.tbl thead{background:var(--slate-900);color:#fff}
.tbl th{padding:1rem 1.25rem;text-align:left;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em}
.tbl td{padding:1rem 1.25rem;color:var(--slate-700)}
.tbl tr:nth-child(even){background:var(--slate-50)}
.tbl tr:nth-child(odd){background:#fff}
.tbl td:first-child{font-family:'Archivo',sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:-.02em;color:#0f172a}
.tbl-wrap{overflow-x:auto;border:1px solid var(--slate-200)}

/* ===== REFRACTORY ===== */
.refr-grid{max-width:1280px;margin:0 auto;padding:5rem 2rem}
.refr-card{background:#fff;padding:2rem;transition:background .2s}
.refr-card:hover{background:var(--slate-50)}
.refr-spec{font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;color:var(--brand);margin-bottom:.75rem}
.refr-title{font-family:'Archivo',sans-serif;font-weight:700;text-transform:uppercase;font-size:1.1rem;letter-spacing:-.02em;margin-bottom:.75rem}
.refr-desc{color:var(--slate-600);font-size:.85rem;line-height:1.7}
.refr-dark{background:var(--slate-950);color:#fff;padding:5rem 0}
.refr-dark-inner{max-width:1280px;margin:0 auto;padding:0 2rem;display:grid;gap:3rem}
@media(min-width:1024px){.refr-dark-inner{grid-template-columns:1fr 1fr}}
.refr-dark-h3{font-family:'Archivo',sans-serif;font-weight:900;text-transform:uppercase;letter-spacing:-.04em;font-size:clamp(2rem,4vw,3rem);line-height:.95}
.refr-dark-h3 span{color:var(--slate-500);font-style:italic}
.refr-dark-p{color:var(--slate-300);line-height:1.7;margin-bottom:1rem}
.btn-brand{display:inline-block;margin-top:2rem;padding:1rem 2rem;background:var(--brand);color:#fff;font-weight:700;font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;transition:background .2s}
.btn-brand:hover{background:var(--brand-hover)}

/* ===== SPARE PARTS ===== */
.spare-body{max-width:1280px;margin:0 auto;padding:5rem 2rem;display:grid;gap:3rem;align-items:start}
@media(min-width:1024px){.spare-body{grid-template-columns:1.2fr 1fr}}
.spare-card{background:#fff;padding:2rem;transition:background .2s}
.spare-card:hover{background:var(--slate-50)}
.spare-title{font-family:'Archivo',sans-serif;font-weight:700;text-transform:uppercase;font-size:1rem;letter-spacing:-.02em;margin-bottom:.75rem}
.spare-desc{color:var(--slate-600);font-size:.85rem;line-height:1.7}
.spare-aside img{width:100%;aspect-ratio:4/3;object-fit:cover;margin-bottom:2rem}
.spare-hotline{border-left:4px solid var(--brand);background:var(--slate-50);padding:2rem}
.spare-hotline-eyebrow{font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;color:var(--brand);margin-bottom:.5rem}
.spare-hotline-h3{font-family:'Archivo',sans-serif;font-weight:900;text-transform:uppercase;font-size:1.3rem;letter-spacing:-.03em;margin-bottom:1rem}
.spare-hotline-p{color:var(--slate-600);font-size:.85rem;line-height:1.7;margin-bottom:1.5rem}
.btn-tel{display:inline-block;padding:.75rem 1.5rem;background:var(--slate-950);color:#fff;font-weight:700;font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;transition:background .2s}
.btn-tel:hover{background:var(--brand)}
.spare-cta{background:var(--brand)}
.spare-cta-inner{max-width:1280px;margin:0 auto;padding:4rem 2rem;display:flex;flex-direction:column;gap:2rem}
@media(min-width:1024px){.spare-cta-inner{flex-direction:row;align-items:center;justify-content:space-between}}
.spare-cta-h3{font-family:'Archivo',sans-serif;font-weight:900;text-transform:uppercase;letter-spacing:-.04em;font-size:clamp(1.8rem,4vw,3rem);color:#fff;line-height:1;max-width:28rem}

/* ===== ABOUT ===== */
.about-body{max-width:1280px;margin:0 auto;padding:5rem 2rem;border-top:1px solid var(--slate-100)}
.about-founder-grid{display:grid;gap:3rem 4rem}
@media(min-width:1024px){.about-founder-grid{grid-template-columns:300px 1fr}}
.founder-img{
    width: 190px;
    height: 238px;
    max-width: 100%;
    object-fit: cover;
    border-radius: 0;
    display: block;
    margin: 0 auto 10px 15px;
    background: var(--slate-100);
}
.about-name{font-family:'Archivo',sans-serif;font-weight:900;text-transform:uppercase;font-size:1.5rem;letter-spacing:-.03em;margin-top:1.5rem}
.about-role{color:var(--brand);font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;margin-top:.25rem}
.about-qual{color:var(--slate-500);font-size:.75rem;margin-top:.5rem}
.about-contact{margin-top:1.25rem}
.about-contact a{display:block;font-size:.9rem;color:var(--slate-700);transition:color .2s}
.about-contact a:hover{color:var(--brand)}
.about-p{color:var(--slate-600);line-height:1.7;margin-bottom:1.25rem}
.expertise-card{background:#fff;padding:1.5rem}
.expertise-title{font-family:'Archivo',sans-serif;font-weight:700;text-transform:uppercase;font-size:.85rem;letter-spacing:-.02em;margin-bottom:.5rem}
.expertise-desc{color:var(--slate-600);font-size:.85rem;line-height:1.6}
.career-path{margin-bottom:2rem}
.career-eyebrow{font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;color:var(--slate-500);margin-bottom:.75rem}
.career-items{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;font-family:'Archivo',sans-serif;font-weight:700;text-transform:uppercase;font-size:.9rem;color:var(--slate-700)}
.career-arrow{color:var(--brand)}
.industries-tags{display:flex;flex-wrap:wrap;gap:.75rem}
.ind-tag{border:1px solid var(--slate-200);border-radius:999px;padding:.5rem 1rem;font-size:.75rem;color:var(--slate-600)}

/* ===== CONTACT ===== */
.contact-body{max-width:1280px;margin:0 auto;padding:5rem 2rem;display:grid;gap:4rem}
@media(min-width:1024px){.contact-body{grid-template-columns:1.4fr 1fr}}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
.form-group{display:flex;flex-direction:column;gap:.5rem}
.form-group.full{grid-column:1/-1}
.form-label{font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;color:var(--slate-600)}
.form-input,.form-select,.form-textarea{width:100%;border:2px solid var(--slate-200);padding:1rem;font-size:.85rem;font-family:'Inter',sans-serif;background:#fff;transition:border-color .2s;outline:none}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--brand)}
.form-textarea{resize:vertical}
.btn-submit{padding:1.25rem 2.5rem;background:var(--brand);color:#fff;font-weight:700;font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;border:none;cursor:pointer;transition:background .2s}
.btn-submit:hover{background:var(--brand-hover)}
.contact-aside{display:flex;flex-direction:column;gap:2rem}
.contact-box{border-left:4px solid var(--brand);background:var(--slate-50);padding:2rem}
.contact-box-eyebrow{font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;color:var(--brand);margin-bottom:.5rem}
.contact-box-name{font-family:'Archivo',sans-serif;font-weight:900;text-transform:uppercase;font-size:1.2rem;letter-spacing:-.03em;margin-bottom:.75rem}
.contact-box-tel{font-family:'Archivo',sans-serif;font-weight:900;font-size:1.5rem;transition:color .2s}
.contact-box-tel:hover{color:var(--brand)}
.aside-head{font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;color:var(--slate-500);margin-bottom:.75rem}
.aside-body{font-size:.9rem;color:var(--slate-900);line-height:1.8}

/* ===== FOOTER ===== */
footer{background:var(--slate-950);color:var(--slate-400)}
.foot-grid{max-width:1280px;margin:0 auto;padding:5rem 2rem;display:grid;gap:3rem}
@media(min-width:768px){.foot-grid{grid-template-columns:2fr 1fr 1fr}}
.foot-logo{display:flex;align-items:center;gap:.6rem;margin-bottom:1.5rem}
.foot-brand{font-family:'Archivo',sans-serif;font-weight:900;text-transform:uppercase;color:#fff;font-size:1.1rem;letter-spacing:-.03em}
.foot-p{font-size:.85rem;line-height:1.7;max-width:22rem}
.foot-col-head{font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;color:#fff;margin-bottom:1rem}
.foot-links{list-style:none;display:flex;flex-direction:column;gap:.5rem;font-size:.85rem}
.foot-links a:hover{color:var(--brand)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.07)}
.foot-bottom-inner{max-width:1280px;margin:0 auto;padding:1.5rem 2rem;display:flex;flex-direction:column;gap:.75rem;font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.2em;color:#334155}
@media(min-width:768px){.foot-bottom-inner{flex-direction:row;justify-content:space-between}}

/* ===== INLINE-STYLE REPLACEMENTS (extracted for maintainability) ===== */
.eyebrow-spaced{margin-bottom:1.5rem}
.cap-h2{margin-top:.75rem}
.cap-header-desc{max-width:22rem;color:var(--slate-500);font-size:.85rem;line-height:1.7}
.founder-h3{font-size:clamp(1.5rem,3vw,2rem);margin-top:.75rem;margin-bottom:3rem;max-width:28rem;line-height:1.1}
.about-p-lead{margin-bottom:2.5rem}
.expertise-grid{margin-bottom:2.5rem}
.why-header{margin-bottom:3rem}
.why-header-h2{margin-top:.75rem;max-width:32rem}
.furnace-h3{font-size:clamp(1.5rem,3vw,2rem);margin-top:.75rem;margin-bottom:1.5rem}
.furnace-p{color:var(--slate-600);line-height:1.7;margin-bottom:1rem}
.furnace-p-last{color:var(--slate-600);line-height:1.7}
.model-range-h3{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:2.5rem}
.refr-specs-grid{padding:5rem 0;display:grid;gap:1px;background:var(--slate-200);border:1px solid var(--slate-200);grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.refr-dark-h3-mt{margin-top:.75rem}
.botcheck-hidden{display:none}
.btn-submit-mt{margin-top:1.5rem}
#form-status{margin-top:1rem;font-size:.8rem;font-weight:600}

/* ===== FLOATING WHATSAPP BUTTON ===== */
.whatsapp-float{
  position:fixed;
  right:1.5rem;
  bottom:1.5rem;
  z-index:999;
  width:60px;
  height:60px;
  border-radius:50%;
  background:#25D366;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 4px 14px rgba(0,0,0,.2), 0 2px 6px rgba(37,211,102,.35);
  transition:transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s ease;
  animation:whatsapp-in .5s cubic-bezier(.34,1.56,.64,1) .3s backwards;
}
.whatsapp-float:hover{
  transform:scale(1.08);
  box-shadow:0 8px 22px rgba(0,0,0,.25), 0 3px 10px rgba(37,211,102,.45);
}
.whatsapp-float:active{transform:scale(.97)}
.whatsapp-float-icon{width:30px;height:30px;position:relative;z-index:2}

/* Gentle attention pulse ring, fires periodically via JS by toggling this class */
.whatsapp-float-ring{
  position:absolute;
  inset:0;
  border-radius:50%;
  background:#25D366;
  opacity:0;
  z-index:1;
}
.whatsapp-float.pulse .whatsapp-float-ring{
  animation:whatsapp-pulse 1.6s ease-out;
}

/* Tooltip */
.whatsapp-float-tooltip{
  position:absolute;
  right:calc(100% + 14px);
  top:50%;
  transform:translateY(-50%) translateX(6px);
  background:var(--slate-900);
  color:#fff;
  font-family:'Inter',system-ui,sans-serif;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  padding:.55rem .9rem;
  border-radius:8px;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .2s ease, transform .2s ease;
  box-shadow:0 4px 12px rgba(0,0,0,.15);
}
.whatsapp-float-tooltip::after{
  content:"";
  position:absolute;
  left:100%;
  top:50%;
  transform:translateY(-50%);
  border:5px solid transparent;
  border-left-color:var(--slate-900);
}
.whatsapp-float:hover .whatsapp-float-tooltip,
.whatsapp-float:focus-visible .whatsapp-float-tooltip{
  opacity:1;
  visibility:visible;
  transform:translateY(-50%) translateX(0);
}
.whatsapp-float:focus-visible{outline:2px solid var(--brand);outline-offset:3px}

@keyframes whatsapp-in{
  from{opacity:0;transform:scale(.4) translateY(20px)}
  to{opacity:1;transform:scale(1) translateY(0)}
}
@keyframes whatsapp-pulse{
  0%{opacity:.55;transform:scale(1)}
  100%{opacity:0;transform:scale(1.9)}
}

/* Mobile: keep clear of thumb zone, nav, and any bottom fixed bars */
@media (max-width:640px){
  .whatsapp-float{
    right:1rem;
    bottom:1rem;
    width:54px;
    height:54px;
  }
  .whatsapp-float-icon{width:27px;height:27px}
  .whatsapp-float-tooltip{
    right:auto;
    left:50%;
    top:auto;
    bottom:calc(100% + 12px);
    transform:translateX(-50%) translateY(6px);
  }
  .whatsapp-float-tooltip::after{
    left:50%;
    top:100%;
    transform:translateX(-50%);
    border-left-color:transparent;
    border-top-color:var(--slate-900);
  }
  .whatsapp-float:hover .whatsapp-float-tooltip,
  .whatsapp-float:focus-visible .whatsapp-float-tooltip{
    transform:translateX(-50%) translateY(0);
  }
}

@media (prefers-reduced-motion:reduce){
  .whatsapp-float,
  .whatsapp-float-ring,
  .whatsapp-float-tooltip{animation:none;transition:none}
}