:root{
  --bg:#f7f5f0;
  --bg2:#ffffff;
  --bg3:#f1efe7;
  --copper:#c9843f;
  --copper-bright:#a35f22;
  --spark:#7fe0d6;
  --success:#0b8a7d;
  --ink:#20261f;
  --ink-dim:#5c6a62;
  --line:rgba(20,30,24,0.13);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{margin:0; padding:0; background:var(--bg); color:var(--ink);}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif; line-height:1.6; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;}
::selection{background:var(--copper); color:#171008;}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{outline:2px solid var(--copper); outline-offset:2px;}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto;} *{animation-duration:0.01ms !important; transition-duration:0.01ms !important;}}
h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif; font-weight:600; letter-spacing:-0.01em; margin:0 0 16px;}
p{color:var(--ink-dim); max-width:60ch; margin:0 0 14px;}
a{color:inherit;}
img{max-width:100%; display:block;}
.wrap{max-width:1140px; margin:0 auto; padding:0 32px;}
@media(max-width:640px){.wrap{padding:0 20px;}}
section{padding:100px 0; border-top:1px solid var(--line);}
.kicker{color:var(--copper-bright); font-size:13.5px; margin-bottom:14px;}
.section-head{max-width:600px; margin-bottom:56px;}
.section-head h2{font-size:clamp(26px,3.4vw,38px);}

/* nav */
header.nav{position:fixed; top:0; left:0; right:0; z-index:50; background:rgba(255,255,255,0.9); backdrop-filter:blur(8px); border-bottom:1px solid var(--line);}
.nav-inner{display:flex; align-items:center; justify-content:space-between; padding:16px 32px; max-width:1140px; margin:0 auto;}
.logo{display:flex; align-items:center; gap:12px; font-size:21px; font-weight:600; font-family:'Space Grotesk',sans-serif; text-decoration:none;}
.logo img{width:42px; height:42px; object-fit:contain; filter:drop-shadow(0 3px 8px rgba(201,132,63,0.35));}
nav.links{display:flex; align-items:center; gap:6px; font-size:14.5px;}

.nav-link{
  position:relative; text-decoration:none; color:var(--ink-dim); background:none; border:none;
  font-family:inherit; font-size:14.5px; cursor:pointer; padding:9px 14px; border-radius:4px;
  display:flex; align-items:center; gap:6px; transition:color .2s, background .2s, box-shadow .2s, transform .2s;
}
.nav-link:hover{color:var(--ink); background:rgba(20,30,24,0.05); box-shadow:0 6px 16px rgba(20,30,24,0.14); transform:translateY(-1px);}
.nav-link.active{color:var(--copper-bright); background:rgba(201,132,63,0.12); box-shadow:0 6px 16px rgba(201,132,63,0.18);}
.nav-item.open .nav-link{color:var(--ink); background:rgba(20,30,24,0.05); box-shadow:0 6px 16px rgba(20,30,24,0.14);}
.nav-link::after{
  content:''; position:absolute; left:14px; right:14px; bottom:4px; height:2px;
  background:var(--copper-bright); border-radius:2px; transform:scaleX(0); transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover::after, .nav-link.active::after{transform:scaleX(1);}

.nav-item{position:relative;}
.nav-item .chev{
  width:7px; height:7px; border-right:1.5px solid currentColor; border-bottom:1.5px solid currentColor;
  transform:rotate(45deg); margin-top:-3px; transition:transform .2s ease;
}
.nav-item.open .chev{transform:rotate(225deg); margin-top:3px;}

.dropdown-panel{
  position:absolute; top:calc(100% + 10px); left:50%; transform:translateX(-50%) translateY(6px);
  min-width:320px; max-width:420px; background:var(--bg2); border:1px solid var(--line);
  border-radius:8px; padding:10px; display:grid; gap:4px; opacity:0; visibility:hidden;
  transition:opacity .18s ease, transform .18s ease; box-shadow:0 16px 40px rgba(20,30,24,0.18);
}
.nav-item.open .dropdown-panel{opacity:1; visibility:visible; transform:translateX(-50%) translateY(0);}
.dropdown-card{
  display:flex; align-items:center; gap:12px; padding:10px; border-radius:6px; text-decoration:none;
  color:var(--ink); transition:background .18s ease; width:100%; text-align:left; background:none;
  border:none; cursor:pointer; font-family:inherit;
}
.dropdown-card:hover{background:rgba(20,30,24,0.05);}
.dropdown-card img{width:52px; height:52px; object-fit:cover; border-radius:6px; flex-shrink:0;}
.dropdown-card-text{display:flex; flex-direction:column; gap:2px; min-width:0;}
.dropdown-card-title{font-size:14px; font-weight:500;}
.dropdown-card-desc{font-size:12.5px; color:var(--ink-dim); overflow:hidden; text-overflow:ellipsis; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical;}
.dropdown-card-desc p{margin:0; color:inherit; max-width:none;}

.nav-cta{border:1px solid var(--copper); color:var(--copper-bright); padding:9px 18px; border-radius:3px; font-size:14px; text-decoration:none; transition:background .2s, color .2s, box-shadow .2s; background:none; cursor:pointer; font-family:inherit;}
.nav-cta:hover{background:var(--copper); color:#101a16; box-shadow:0 6px 18px rgba(201,132,63,0.35);}

.nav-right{display:flex; align-items:center; gap:10px;}
.nav-toggle{
  display:none; flex-direction:column; justify-content:center; align-items:center; gap:5px;
  width:38px; height:38px; background:none; border:1px solid var(--line); border-radius:6px; cursor:pointer; padding:0;
}
.nav-toggle span{display:block; width:18px; height:2px; background:var(--ink); border-radius:2px; transition:transform .2s ease, opacity .2s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.nav-overlay{
  position:fixed; inset:0; z-index:45; background:rgba(20,24,20,0.35); opacity:0; visibility:hidden;
  transition:opacity .2s ease; display:none;
}
.nav-overlay.open{opacity:1; visibility:visible;}

@media(max-width:760px){
  .nav-toggle{display:flex;}
  .nav-overlay{display:block;}
  nav.links{
    display:flex; flex-direction:column; align-items:stretch; gap:2px;
    position:absolute; top:100%; left:0; right:0; z-index:46; max-height:calc(100vh - 80px); overflow-y:auto;
    background:var(--bg2); border-top:1px solid var(--line); box-shadow:0 20px 40px rgba(20,30,24,0.18);
    padding:14px 20px 24px; transform:translateY(-12px); opacity:0; visibility:hidden;
    transition:opacity .2s ease, transform .2s ease;
  }
  nav.links.open{opacity:1; visibility:visible; transform:translateY(0);}
  .nav-link{padding:13px 6px; font-size:15.5px; justify-content:space-between; width:100%;}
  .nav-link::after{display:none;}
  .nav-item{border-bottom:1px solid var(--line);}
  .nav-item:last-child{border-bottom:none;}
  .dropdown-panel{
    position:static; transform:none; opacity:1; visibility:visible; box-shadow:none; border:none;
    max-width:none; min-width:0; padding:0 0 10px 6px; max-height:0; overflow:hidden;
  }
  .nav-item.open .dropdown-panel{max-height:1000px;}
  .dropdown-card{padding:10px 6px;}
}

@media(max-width:420px){
  .nav-inner{padding:12px 14px;}
  .logo{font-size:17px; gap:8px;}
  .logo img{width:32px; height:32px;}
  .nav-right{gap:6px;}
  .nav-cta{padding:7px 10px; font-size:12.5px;}
}

@media(max-width:480px){
  .modal-box{padding:22px;}
  .footer-grid{grid-template-columns:1fr; gap:28px;}
  .cta-final{padding:40px 24px; justify-content:center; text-align:center;}
  .submenu-content-section{padding-top:110px;}
  .submenu-content-close{top:-2px; right:20px;}
}

/* contenido de submenú (se muestra en la página, no como ventana emergente) */
.submenu-content-section{display:none; padding-top:130px; background:var(--bg2);}
.submenu-content-section.open{display:block;}
.submenu-content-inner{position:relative;}
.submenu-content-close{
  position:absolute; top:-6px; right:32px; background:none; border:1px solid var(--line); color:var(--ink);
  width:34px; height:34px; border-radius:50%; font-size:20px; line-height:1; cursor:pointer;
}
.submenu-content-close:hover{border-color:var(--copper); color:var(--copper-bright);}
.submenu-content-grid{display:grid; grid-template-columns:280px 1fr; gap:40px; align-items:start;}
@media(max-width:760px){.submenu-content-grid{grid-template-columns:1fr;}}
.submenu-content-grid img{width:100%; height:220px; object-fit:cover; border-radius:6px;}
.submenu-content-grid h2{margin-bottom:14px;}

/* hero */
.hero{position:relative; min-height:92vh; display:flex; align-items:center; padding-top:90px; overflow:hidden; border-top:none;}
.hero-video-wrap{position:absolute; inset:0; z-index:0; overflow:hidden;}
.hero-video-wrap video{position:absolute; top:50%; left:50%; width:100%; height:100%; object-fit:cover; transform:translate(-50%,-50%); filter:saturate(1.05) brightness(1);}
.hero-video-wrap::after{
  content:''; position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(10,16,13,0.08) 0%, rgba(10,16,13,0.22) 70%, rgba(10,16,13,0.38) 100%),
    linear-gradient(90deg, rgba(10,16,13,0.5) 0%, rgba(10,16,13,0.08) 48%, rgba(10,16,13,0.28) 100%);
}
.hero-sound-toggle{position:absolute; right:24px; bottom:24px; z-index:3; width:46px; height:46px; border-radius:50%; border:1px solid rgba(255,255,255,0.35); background:rgba(20,30,24,0.45); backdrop-filter:blur(4px); color:#fff; display:flex; align-items:center; justify-content:center; cursor:pointer; transition:background 0.2s ease, transform 0.2s ease;}
.hero-sound-toggle:hover{background:rgba(20,30,24,0.65); transform:scale(1.05);}
.hero-sound-toggle .hero-sound-icon{display:flex; align-items:center; justify-content:center;}
@media(max-width:640px){.hero-sound-toggle{right:16px; bottom:16px; width:40px; height:40px;}}
.hero-content{position:relative; z-index:2; max-width:640px; color:#fff;}
.eyebrow{color:var(--spark); font-size:13.5px; margin-bottom:18px; display:flex; align-items:center; gap:8px;}
.eyebrow .dot{width:7px; height:7px; border-radius:50%; background:var(--spark); box-shadow:0 0 10px var(--spark);}
.hero h1{font-size:clamp(32px,5vw,52px); line-height:1.1; margin-bottom:22px; color:#fff;}
.hero p.lead{font-size:17.5px; margin-bottom:34px; color:#dbe3de;}
.btn-row{display:flex; gap:16px; flex-wrap:wrap;}
.btn{padding:14px 26px; border-radius:3px; font-size:15px; font-weight:500; text-decoration:none; display:inline-block; transition:transform .18s ease, box-shadow .18s ease;}
.btn-primary{background:var(--copper); color:#131c17;}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 8px 24px rgba(201,132,63,0.35);}
.btn-ghost{border:1px solid var(--line); color:var(--ink);}
.btn-ghost:hover{border-color:var(--ink-dim);}
.hero .btn-ghost{border-color:rgba(255,255,255,0.4); color:#fff;}
.hero .btn-ghost:hover{border-color:#fff;}

/* quienes somos */
.about-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:64px; align-items:start;}
@media(max-width:800px){.about-grid{grid-template-columns:1fr;}}
.stat-panel{background:var(--bg2); border:1px solid var(--line); border-radius:4px; padding:28px; display:grid; gap:22px;}
.about-image{width:100%; height:220px; object-fit:cover; border-radius:4px; margin-bottom:20px;}
.rich-content p{margin-bottom:14px;}
.rich-content strong{color:var(--ink); font-weight:600;}
.rich-content em{font-style:italic;}
.rich-content ul, .rich-content ol{color:var(--ink-dim); max-width:60ch; margin:0 0 14px; padding-left:20px;}
.rich-content li{margin-bottom:6px;}
.rich-content a{color:var(--copper-bright); text-decoration:underline;}
.rich-content h2{font-size:1.4em; margin:0 0 12px; color:var(--ink);}
.rich-content h3{font-size:1.15em; margin:0 0 10px; color:var(--ink);}
.rich-content blockquote{border-left:3px solid var(--copper); padding-left:16px; margin:0 0 14px; color:var(--ink-dim); font-style:italic;}
.rich-content .ql-align-center{text-align:center;}
.rich-content .ql-align-right{text-align:right;}
.rich-content .ql-align-justify{text-align:justify;}
.stat b{font-family:'Space Grotesk',sans-serif; font-size:15px; color:var(--copper-bright); display:block; margin-bottom:4px;}
.stat span{font-size:14px; color:var(--ink-dim);}

/* servicios */
.services{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:4px; overflow:hidden;}
@media(max-width:800px){.services{grid-template-columns:1fr;}}
.service{background:var(--bg); padding:36px 30px; position:relative; transition:background .25s ease;}
.service:hover{background:var(--bg2);}
.service-image{width:100%; height:160px; object-fit:cover; border-radius:4px; margin-bottom:20px;}
.service h3{font-size:19px;}
.service p{font-size:14.5px; margin-bottom:0;}
.service .tag{position:absolute; top:32px; right:30px; font-size:12px; color:var(--ink-dim);}

/* valores */
.reasons{display:grid; grid-template-columns:repeat(4,1fr); gap:28px;}
@media(max-width:800px){.reasons{grid-template-columns:1fr 1fr;}}
@media(max-width:500px){.reasons{grid-template-columns:1fr;}}
.reason{background:var(--bg2); border:1px solid var(--line); border-radius:4px; padding:24px; transition:transform .25s ease, box-shadow .25s ease;}
.reason:hover{transform:translateY(-4px); box-shadow:0 14px 30px rgba(20,30,24,0.12);}
.reason h4{font-size:16.5px; margin-bottom:8px;}
.reason p{font-size:14px; margin-bottom:0;}
.reason-image-wrap{border-radius:4px; overflow:hidden; margin-top:16px;}
.reason-image{width:100%; height:140px; object-fit:cover; display:block; transition:transform .4s ease;}
.reason:hover .reason-image{transform:scale(1.08);}

/* proyectos */
.projects{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
@media(max-width:800px){.projects{grid-template-columns:1fr;}}
.project{
  aspect-ratio:4/3; border-radius:4px; border:1px solid var(--line); background:var(--bg2);
  padding:0; cursor:pointer; position:relative; overflow:hidden; display:block; text-align:left;
}
.project img{width:100%; height:100%; object-fit:cover; transition:transform .4s ease;}
.project:hover img{transform:scale(1.06);}
.project-caption{
  position:absolute; left:0; right:0; bottom:0; padding:14px 16px; font-size:14px;
  background:linear-gradient(0deg, rgba(13,23,18,0.9), transparent);
  color:#fff;
}

/* cta final */
.cta-final{background:var(--bg2); border-radius:4px; border:1px solid var(--line); padding:64px 56px; display:flex; justify-content:space-between; align-items:center; gap:40px; flex-wrap:wrap;}
.cta-final h2{font-size:clamp(24px,3vw,32px); max-width:480px; margin:0;}

/* footer */
footer{padding:64px 0 40px; border-top:1px solid var(--line);}
.footer-partners{padding:44px 0 40px; border-bottom:1px solid var(--line); text-align:center;}
.footer-partners-heading{color:var(--copper-bright); font-size:20px; font-weight:600; font-family:'Space Grotesk','Inter',sans-serif; margin:0 0 12px;}
.footer-partners-text{max-width:720px; margin:0 auto 28px; font-size:15px; line-height:1.65; color:var(--ink-dim);}
.footer-partners-logos{display:flex; flex-wrap:wrap; justify-content:center; align-items:center; gap:24px;}
.footer-partners-item{display:flex; align-items:center; justify-content:center; background:var(--bg2); border:1px solid var(--line); border-radius:10px; padding:12px 20px; height:64px;}
.footer-partners-item img{max-height:38px; max-width:150px; width:auto; height:auto; object-fit:contain;}
@media(max-width:640px){
  .footer-partners{padding:32px 0 28px;}
  .footer-partners-logos{gap:14px;}
  .footer-partners-item{padding:8px 14px; height:52px;}
  .footer-partners-item img{max-height:28px; max-width:110px;}
}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:48px;}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-grid h5{font-size:13px; color:var(--ink-dim); margin-bottom:16px; font-weight:500;}
.footer-grid ul{list-style:none; padding:0; margin:0; display:grid; gap:10px;}
.footer-grid a{text-decoration:none; color:var(--ink); font-size:14.5px;}
.footer-grid a:hover{color:var(--copper-bright);}
.footer-bottom{padding-top:28px; border-top:1px solid var(--line); font-size:13px; color:var(--ink-dim); display:flex; flex-wrap:wrap; gap:10px 24px; align-items:center; justify-content:space-between;}
.footer-legal-links{display:flex; flex-wrap:wrap; gap:6px 18px;}
.footer-legal-links a{color:var(--ink-dim); text-decoration:none; font-size:12.5px;}
.footer-legal-links a:hover{color:var(--copper-bright); text-decoration:underline;}

/* ===================== BANNER DE COOKIES ===================== */
.cookie-banner{
  position:fixed; left:16px; right:16px; bottom:16px; z-index:80;
  max-width:820px; margin:0 auto;
  background:var(--bg); border:1px solid var(--line); border-radius:10px;
  box-shadow:0 12px 32px rgba(20,30,24,0.25);
  padding:18px 22px;
}
.cookie-banner[hidden]{display:none;}
.cookie-banner-inner{display:flex; flex-wrap:wrap; align-items:center; gap:16px; justify-content:space-between;}
.cookie-banner p{margin:0; font-size:13.5px; color:var(--ink-dim); max-width:560px; line-height:1.5;}
.cookie-banner p a{color:var(--copper-bright); text-decoration:underline;}
.cookie-banner-actions{display:flex; gap:10px; flex-shrink:0;}
.cookie-banner-actions .btn{padding:9px 18px; font-size:13.5px;}
.cookie-banner-links{margin-top:10px; padding-top:10px; border-top:1px solid var(--line); display:flex; gap:16px; flex-wrap:wrap;}
.cookie-banner-links a{font-size:12px; color:var(--ink-dim); text-decoration:none;}
.cookie-banner-links a:hover{color:var(--copper-bright); text-decoration:underline;}
@media(max-width:640px){
  .cookie-banner{left:10px; right:10px; bottom:10px; padding:16px;}
  .cookie-banner-inner{flex-direction:column; align-items:stretch;}
  .cookie-banner-actions{justify-content:flex-end;}
}

/* ===================== PÁGINAS LEGALES ===================== */
.legal-page{padding:150px 0 80px;}
.legal-page .wrap{max-width:820px;}
.legal-page h1{font-size:32px; margin-bottom:8px;}
.legal-page .legal-updated{color:var(--ink-dim); font-size:13.5px; margin-bottom:36px;}
.legal-page .rich-content h2{margin-top:28px;}
.legal-page .rich-content{max-width:none;}

/* lightbox */
.lightbox{
  position:fixed; inset:0; z-index:200; background:rgba(24,28,22,0.6); display:none;
  align-items:center; justify-content:center; padding:40px;
}
.lightbox.open{display:flex;}
.lightbox-content{max-width:900px; width:100%; max-height:88vh; overflow:auto; background:var(--bg2); border:1px solid var(--line); border-radius:6px; box-shadow:0 24px 60px rgba(20,30,24,0.25);}
.lightbox-content img{width:100%; max-height:60vh; object-fit:cover;}
.lightbox-info{padding:24px 28px;}
.lightbox-info h3{margin-bottom:6px;}
.lightbox-info p{margin-bottom:6px; font-size:14px;}
.lightbox-close{
  position:absolute; top:24px; right:32px; background:none; border:none; color:#fff;
  font-size:32px; line-height:1; cursor:pointer;
}

/* modal presupuesto */
.nav-cta.js-open-presupuesto{background:none; cursor:pointer; font-family:inherit;}
.btn.modal-submit{border:none; cursor:pointer; width:100%; font-family:inherit;}
.modal-overlay{
  position:fixed; inset:0; z-index:210; background:rgba(24,28,22,0.6); display:none;
  align-items:center; justify-content:center; padding:24px;
}
.modal-overlay.open{display:flex;}
.modal-box{
  position:relative; width:100%; max-width:460px; max-height:90vh; overflow:auto;
  background:var(--bg2); border:1px solid var(--line); border-radius:6px; padding:32px;
  box-shadow:0 24px 60px rgba(20,30,24,0.25);
}
.modal-box h3{margin-bottom:6px;}
.modal-subtitle{font-size:14px; margin-bottom:22px;}
.modal-close{
  position:absolute; top:14px; right:18px; background:none; border:none; color:var(--ink);
  font-size:26px; line-height:1; cursor:pointer;
}
.form-group{margin-bottom:16px;}
.form-group label{display:block; font-size:13.5px; color:var(--ink-dim); margin-bottom:6px;}
.form-group input, .form-group textarea{
  width:100%; padding:11px 13px; border-radius:3px; border:1px solid var(--line);
  background:var(--bg3); color:var(--ink); font-family:inherit; font-size:14.5px;
}
.form-group input:focus, .form-group textarea:focus{outline:none; border-color:var(--copper);}
.form-group textarea{resize:vertical;}
.modal-feedback{font-size:13.5px; min-height:18px; margin:0 0 14px;}
.modal-feedback.success{color:var(--success);}
.modal-feedback.error{color:#b23b2e;}

/* ===================== BOTONES FLOTANTES ===================== */

/* Redes sociales — barra vertical fija a la izquierda */
.floating-social{
  position:fixed; left:20px; top:50%; transform:translateY(-50%);
  display:flex; flex-direction:column; gap:12px; z-index:55;
}
.floating-social-btn{
  width:44px; height:44px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:var(--btn-color, var(--copper)); color:#fff; text-decoration:none;
  box-shadow:0 4px 14px rgba(20,30,24,0.22);
  transition:transform .2s ease, box-shadow .2s ease;
}
.floating-social-btn svg{width:20px; height:20px;}
.floating-social-btn:hover, .floating-social-btn:focus-visible{
  transform:scale(1.1) translateX(2px);
  box-shadow:0 8px 20px rgba(20,30,24,0.3);
}
@media(max-width:640px){
  .floating-social{left:10px; gap:8px;}
  .floating-social-btn{width:36px; height:36px;}
  .floating-social-btn svg{width:17px; height:17px;}
}

/* WhatsApp — botón fijo abajo a la derecha */
.floating-whatsapp{
  position:fixed; right:24px; bottom:24px; z-index:55;
  width:58px; height:58px; border-radius:50%;
  background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center; text-decoration:none;
  box-shadow:0 6px 20px rgba(37,211,102,0.45);
  animation:wa-pulse 2.6s infinite;
  transition:transform .2s ease;
}
.floating-whatsapp svg{width:30px; height:30px;}
.floating-whatsapp:hover, .floating-whatsapp:focus-visible{
  transform:scale(1.08); animation-play-state:paused;
}
@keyframes wa-pulse{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,0.5), 0 6px 20px rgba(37,211,102,0.45);}
  70%{box-shadow:0 0 0 14px rgba(37,211,102,0), 0 6px 20px rgba(37,211,102,0.45);}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0), 0 6px 20px rgba(37,211,102,0.45);}
}
@media(max-width:640px){
  .floating-whatsapp{right:16px; bottom:16px; width:50px; height:50px;}
  .floating-whatsapp svg{width:26px; height:26px;}
}
@media(prefers-reduced-motion:reduce){
  .floating-whatsapp{animation:none;}
}