/* Artec Galvanotecnica - estilos compartilhados por todas as paginas.
   Extraido do CSS inline duplicado. Ao editar, suba a versao no link das paginas
   (ex.: css/artec.css?v=2) para furar o cache de 1 mes definido no .htaccess. */

:root{--vermelho:#D61F26;--vermelho-esc:#A81419;--grafite:#1F2326;--cinza:#5C6268;--linha:#E3E6E9;--fundo:#FCFCFD;--fundo-alt:#F4F5F7;--whats:#25D366;--whats-esc:#1DAB52}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{font-family:'Barlow',sans-serif;color:var(--grafite);background:var(--fundo);line-height:1.7;font-size:16.5px}
h1,h2,h3,h4{font-family:'Barlow Semi Condensed',sans-serif;line-height:1.12;font-weight:700}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.wrap-txt{max-width:820px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.rotulo{font-size:.72rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--cinza)}
.rotulo::before{content:"";display:inline-block;width:22px;height:1px;background:var(--vermelho);vertical-align:middle;margin-right:10px}
h2{font-size:clamp(1.7rem,3.4vw,2.35rem);font-weight:800;letter-spacing:-.01em;margin:14px 0 16px}
.lead{color:var(--cinza);max-width:62ch}
section{padding:78px 0}

/* Botões */
.btn-wa{display:inline-flex;align-items:center;gap:10px;background:var(--whats);color:#04240F;text-decoration:none;font-family:'Barlow Semi Condensed';font-weight:700;font-size:1.02rem;padding:13px 26px;border-radius:8px;box-shadow:0 6px 20px rgba(37,211,102,.35);transition:background .15s,transform .15s}
.btn-wa:hover{background:var(--whats-esc);transform:translateY(-2px)}
.btn-wa svg{width:21px;height:21px;flex:none}
.btn-tel{display:inline-flex;align-items:center;color:var(--grafite);text-decoration:none;font-family:'Barlow Semi Condensed';font-weight:600;padding:13px 20px;border:1px solid var(--linha);border-radius:8px;background:#fff}
.btn-tel:hover{border-color:var(--grafite)}
.btn-orc:hover{background:var(--vermelho-esc);transform:translateY(-2px);box-shadow:0 10px 24px rgba(214,31,38,.36)}
.btn-orc .ar{transition:transform .15s;display:inline-block}
.btn-orc:hover .ar{transform:translateX(3px)}

/* Topbar */
.topbar{background:var(--grafite);color:#B9BFC5;font-size:.85rem}
.topbar-in{max-width:1080px;margin:0 auto;padding:7px 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.topbar a{text-decoration:none}
.topbar a:hover{color:#fff}
.topbar .iso{color:#fff;font-weight:600;letter-spacing:.04em}
@media(max-width:700px){.topbar-in{justify-content:center;font-size:.8rem}}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(252,252,253,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--linha)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 24px;max-width:1080px;margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:none}
.brand img{width:42px;height:42px;border-radius:50%}
.brand-name{font-family:'Barlow Semi Condensed';font-weight:700;font-size:1.08rem;line-height:1.1}
.brand-name b{color:var(--vermelho);font-weight:800;display:block;font-size:1.16rem}
.brand-name span{color:var(--cinza);font-size:.82rem;letter-spacing:.06em;text-transform:uppercase}
nav{display:flex;gap:0;font-weight:500;font-size:.88rem;align-items:center;margin-left:auto}
nav>a,.drop>button{text-decoration:none;color:var(--cinza);background:none;border:0;font:inherit;cursor:pointer;display:inline-flex;align-items:center;gap:5px;padding:8px 7px;border-radius:7px;transition:background .15s,color .15s}
nav>a:hover,.drop>button:hover,.drop:hover>button{color:var(--grafite);background:var(--fundo-alt)}
nav>a.ativo,.drop.ativo>button{color:var(--vermelho);font-weight:600;background:#FCEEEF}
.drop{position:relative}
.drop>button::after{content:"";width:5px;height:5px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .15s}
.drop:hover>button::after,.drop:focus-within>button::after{transform:rotate(225deg) translateY(-1px)}
.drop-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border:1px solid var(--linha);border-radius:10px;box-shadow:0 18px 44px rgba(31,35,38,.15);padding:8px;min-width:280px;opacity:0;visibility:hidden;transition:opacity .15s,visibility .15s,transform .15s;display:grid;gap:1px}
.drop:hover .drop-menu,.drop:focus-within .drop-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(4px)}
.drop-menu a{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:7px;text-decoration:none;color:var(--grafite);font-size:.93rem;font-weight:500}
.drop-menu a:hover{background:var(--fundo-alt)}
.drop-menu .pt{width:14px;height:14px;border-radius:4px;flex:none}
.drop-menu.drop-menor{min-width:196px}
.drop-menu .todos{border-top:1px solid var(--linha);margin-top:6px;padding-top:12px;color:var(--vermelho);font-family:'Barlow Semi Condensed';font-weight:700}
.langs{display:flex;gap:6px;align-items:center;margin-left:6px;flex:none}
.langs a{position:relative;width:21px;height:15px;display:block;opacity:.38;transition:opacity .18s}
.langs a::before{content:"";position:absolute;inset:-8px}
.langs a:hover{opacity:1}
.langs a.on{opacity:1}
.langs a.on::after{content:"";position:absolute;left:2px;right:2px;bottom:-6px;height:2px;border-radius:2px;background:var(--vermelho)}
.langs svg{width:100%;height:100%;display:block;border-radius:2.5px;box-shadow:0 1px 2px rgba(31,35,38,.22)}
@media(max-width:1040px){.langs{margin-left:auto;margin-right:6px;order:2}}
.btn-orc{display:inline-flex;align-items:center;gap:8px;background:var(--vermelho);color:#fff;text-decoration:none;font-family:'Barlow Semi Condensed';font-weight:600;font-size:.84rem;letter-spacing:.02em;padding:9px 14px;border-radius:8px;flex:none;box-shadow:0 2px 8px rgba(214,31,38,.22);transition:background .15s,transform .15s,box-shadow .15s}
.btn-orc:hover{background:var(--vermelho-esc);transform:translateY(-1px);box-shadow:0 4px 12px rgba(214,31,38,.3)}
.btn-orc .ar{transition:transform .15s}
.btn-orc:hover .ar{transform:translateX(3px)}
.menu-btn{display:none;background:none;border:1px solid var(--linha);border-radius:8px;padding:9px 12px;cursor:pointer}
.menu-btn span{display:block;width:20px;height:2px;background:var(--grafite);margin:4px 0;border-radius:2px}
@media(max-width:1250px){
  .header-in{gap:10px;padding:12px 14px}
  nav{gap:0;font-size:.88rem}
  nav>a,.drop>button{padding:8px 8px}
  .langs a{width:21px;height:15px}
  .langs{gap:7px}
  .btn-orc{font-size:.85rem;padding:8px 14px}
}
@media(max-width:1040px){
  nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--linha);flex-direction:column;align-items:stretch;padding:12px;gap:2px;box-shadow:0 18px 40px rgba(31,35,38,.1)}
  nav.aberto{display:flex}
  .menu-btn{display:block}
  .drop-menu{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;border-left:2px solid var(--linha);border-radius:0;margin:2px 0 6px 14px;padding:0 0 0 6px;min-width:0;display:none}
  .drop.aberto .drop-menu{display:grid}
  .drop:hover .drop-menu{transform:none}
  .btn-orc{font-size:.8rem;padding:8px 13px;order:3;box-shadow:0 2px 6px rgba(214,31,38,.2)}
  .btn-orc .ar{display:none}
}
@media(max-width:700px){.brand-name span{display:none}}
@media(max-width:560px){
  .header-in{gap:8px;padding:10px 12px}
  .brand{gap:0}
  .brand-name{display:none}
  .brand img{width:40px;height:40px}
  .langs{gap:6px;margin-right:2px}
  .langs a{width:17px;height:12px}
  .btn-orc{font-size:.72rem;padding:7px 11px;letter-spacing:.01em}
  .menu-btn{padding:8px 10px}
}
@media(max-width:400px){
  .header-in{gap:6px;padding:10px 8px}
  .brand img{width:36px;height:36px}
  .langs{gap:5px}
  .langs a{width:16px;height:11px}
  .btn-orc{font-size:.72rem;padding:6px 9px}
  .menu-btn{padding:7px 8px}
}

/* Swatches */
.d-zinco{background:linear-gradient(120deg,#d8a93c,#f3e08a 42%,#b0762c)}
.d-zniquel{background:linear-gradient(120deg,#9aa7b4,#d6dde4 50%,#7c8896)}
.d-niquel{background:linear-gradient(120deg,#b9bfc7,#f2f4f6 45%,#8f979f)}
.d-estanho{background:linear-gradient(120deg,#c4c9cf,#e9ecef 50%,#a8adb4)}
.d-fosfato{background:linear-gradient(120deg,#4d5257,#6d7378 50%,#3a3f44)}
.d-cadmio{background:linear-gradient(120deg,#ccd3d9,#f0f3f5 45%,#b2bac2)}
.d-alod{background:linear-gradient(120deg,#d9c46a,#f5ecc0 45%,#c0a445)}
.d-inox{background:linear-gradient(120deg,#aab3bc,#f5f8fa 42%,#89939d)}
.d-ouro{background:linear-gradient(120deg,#c99a26,#f6df8e 45%,#a87b14)}
.d-prata{background:linear-gradient(120deg,#bfc6cd,#f7f9fb 45%,#99a2ab)}
.d-latao{background:linear-gradient(120deg,#b08d3f,#e5c878 45%,#8e6d26)}
.d-cobre{background:linear-gradient(120deg,#8a4b2b,#e09a6a 45%,#a35a32)}
.d-oxid{background:linear-gradient(120deg,#3f4449,#616870 50%,#2c3034)}
.d-desid{background:linear-gradient(120deg,#7d8992,#aeb8c0 50%,#5f6a73)}
.d-branco{background:linear-gradient(120deg,#c8d4dc,#eef3f6)}
.d-amarelo{background:linear-gradient(120deg,#d8a93c,#f3e08a)}
.d-preto{background:linear-gradient(120deg,#181a1c,#3a3e42)}
.d-oliva{background:linear-gradient(120deg,#5b6236,#8a9155)}

/* Hero interno */
.hero-int{border-bottom:1px solid var(--linha);padding:56px 0 46px;background:var(--fundo-alt)}
.crumb{font-size:.85rem;color:var(--cinza);margin-bottom:14px}
.crumb a{text-decoration:none}
.crumb a:hover{color:var(--grafite)}
.hero-int h1{font-size:clamp(2rem,4.6vw,2.9rem);font-weight:800;letter-spacing:-.01em;margin:12px 0 14px}
.hero-int p.sub{color:var(--cinza);max-width:60ch;font-size:1.08rem}

/* Conteúdo textual */
.conteudo{padding:56px 0}
.conteudo h2{font-size:1.5rem;font-weight:800;margin:44px 0 14px}
.conteudo h2:first-of-type{margin-top:26px}
.conteudo h3{font-size:1.12rem;font-weight:700;margin:26px 0 8px}
.conteudo p{margin-bottom:15px;color:#383D42}
.conteudo ul{margin:0 0 15px 22px;color:#383D42}
.conteudo li{margin-bottom:7px}
.destaque{border:1px solid var(--linha);border-left:3px solid var(--vermelho);border-radius:0 8px 8px 0;padding:20px 22px;margin:30px 0;background:#fff}

/* FAQ */
.faq details{border-bottom:1px solid var(--linha);padding:16px 4px}
.faq details:first-of-type{border-top:1px solid var(--linha)}
.faq summary{font-weight:700;cursor:pointer;font-family:'Barlow Semi Condensed';font-size:1.06rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--vermelho);font-weight:800;font-size:1.3rem}
.faq details[open] summary::after{content:"\2013"}
.faq p{margin-top:12px}

/* Grid de tratamentos — plaquetas de amostra */
.grid-trat{display:grid;grid-template-columns:repeat(auto-fill,minmax(252px,1fr));gap:18px;margin-top:40px}
.grid-trat a{position:relative;display:flex;flex-direction:column;background:linear-gradient(172deg,#23272C,#17191D);
  border:1px solid #2C3137;border-radius:16px;text-decoration:none;overflow:hidden;isolation:isolate;
  transform-origin:50% -60px;
  transition:transform .32s cubic-bezier(.2,.7,.3,1.1),border-color .25s,box-shadow .25s}
.grid-trat a:hover{transform:translateY(-5px) rotate(-.7deg);border-color:#3E454D;box-shadow:0 26px 54px rgba(0,0,0,.34)}
/* chapa de amostra do acabamento */
.grid-trat .am{position:relative;height:96px;width:100%;overflow:hidden;border-bottom:1px solid rgba(0,0,0,.5)}
.grid-trat .am::before{content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(100deg,rgba(255,255,255,.055) 0 1px,transparent 1px 3px),
  linear-gradient(180deg,rgba(255,255,255,.24),rgba(255,255,255,0) 40%,rgba(0,0,0,.14) 78%,rgba(0,0,0,.3))}
.grid-trat .am::after{content:"";position:absolute;inset:-2px;transform:translateX(-130%) skewX(-14deg);
  background:linear-gradient(105deg,transparent 34%,rgba(255,255,255,.7) 50%,transparent 66%);transition:transform .8s ease}
.grid-trat a:hover .am::after{transform:translateX(130%) skewX(-14deg)}
/* furo de suspensão da gancheira */
.grid-trat .furo{position:absolute;top:10px;left:50%;transform:translateX(-50%);width:11px;height:11px;border-radius:50%;z-index:1;
  background:radial-gradient(circle at 38% 30%,#1B1E23 45%,#0B0D10);box-shadow:inset 0 2px 3px rgba(0,0,0,.85),0 1px 0 rgba(255,255,255,.42)}
/* símbolo químico gravado na chapa */
.grid-trat .gv{position:absolute;right:14px;bottom:8px;z-index:1;font-family:'Barlow Semi Condensed',sans-serif;font-weight:800;
  font-size:2.05rem;line-height:1;font-style:normal;letter-spacing:.01em;color:rgba(0,0,0,.34);text-shadow:0 1px 0 rgba(255,255,255,.32)}
.grid-trat .gt-corpo{padding:20px 22px 18px;display:flex;flex-direction:column;flex:1}
.grid-trat h3{font-size:1.12rem;color:#F2F4F6;margin:0;letter-spacing:.005em}
.grid-trat p{color:#9BA3AB;font-size:.9rem;margin:6px 0 0;line-height:1.5}
.grid-trat .seta{margin-top:auto;padding-top:16px;color:#FF5A60;font-family:'Barlow Semi Condensed',sans-serif;
  font-weight:700;font-size:.9rem;letter-spacing:.04em;display:inline-flex;align-items:center;gap:7px}
.grid-trat .seta::after{content:"→";transition:transform .2s}
.grid-trat a:hover .seta::after{transform:translateX(4px)}
@media(prefers-reduced-motion:reduce){.grid-trat a,.grid-trat .am::after{transition:none}}
/* CTA */
.cta-fim{border-top:1px solid var(--linha);text-align:center;padding:76px 0;background:var(--fundo-alt)}
.cta-fim h2{max-width:24ch;margin:14px auto 10px}
.cta-fim p{color:var(--cinza);max-width:52ch;margin:0 auto 30px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-fim .btn-wa{font-size:1.08rem;padding:15px 32px}

/* Footer */
footer{background:var(--grafite);color:#A9B0B6;padding:56px 0 26px;font-size:.93rem}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px}
footer h3{color:#fff;font-size:.76rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;margin-bottom:14px;font-family:'Barlow',sans-serif}
footer a{text-decoration:none}
footer a:hover{color:#fff}
footer .flogo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
footer .flogo img{width:48px;height:48px;border-radius:50%}
footer .flogo b{color:#fff;font-family:'Barlow Semi Condensed';font-size:1.15rem}
.foot ul{list-style:none}
.foot ul li{margin-bottom:7px}
.social{display:flex;gap:10px;margin-top:16px}
.social a{width:36px;height:36px;border:1px solid #3E4348;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:border-color .15s,background .15s}
.social a:hover{border-color:#fff;background:#2A2F33}
.social svg{width:17px;height:17px;fill:currentColor}
.iso-selo{display:inline-block;border:1px solid #3E4348;border-radius:8px;padding:10px 16px;margin-top:18px;color:#fff;font-family:'Barlow Semi Condensed';font-weight:700;font-size:.92rem}
.foot-bottom{border-top:1px solid #3E4348;margin-top:40px;padding-top:18px;font-size:.82rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:#8A939C}
@media(max-width:820px){.foot{grid-template-columns:1fr;gap:32px}}

/* WhatsApp flutuante */
.zap{position:fixed;right:22px;bottom:22px;z-index:70;display:flex;flex-direction:column;align-items:flex-end;gap:12px;pointer-events:none}
.zap > *{pointer-events:auto}

/* --- cartão com mascote --- */
.zap-card{position:relative;display:flex;align-items:flex-end;gap:0;opacity:0;transform:translateY(16px) scale(.92);
  transform-origin:bottom right;transition:opacity .42s cubic-bezier(.2,.7,.3,1),transform .42s cubic-bezier(.2,.7,.3,1)}
.zap.aberto .zap-card{opacity:1;transform:none}
.zap-bolha{position:relative;z-index:2;background:linear-gradient(158deg,#22262B,#15181C);border:1px solid #343A41;
  border-radius:14px 14px 4px 14px;padding:12px 14px 13px;max-width:186px;
  box-shadow:0 18px 40px rgba(0,0,0,.38);margin-bottom:22px;margin-right:-4px}
.zap-bolha::before{content:"";position:absolute;inset:0;border-radius:16px 16px 4px 16px;padding:1px;pointer-events:none;
  background:linear-gradient(150deg,rgba(255,255,255,.26),transparent 42%,transparent 58%,rgba(37,211,102,.6));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
.zap-bolha .tag{display:inline-flex;align-items:center;gap:5px;font-size:.7rem;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:#2BE070;margin-bottom:5px}
.zap-bolha .tag::before{content:"";width:6px;height:6px;border-radius:50%;background:#2BE070;box-shadow:0 0 0 3px rgba(43,224,112,.22);animation:vivo 2s ease-in-out infinite}
@keyframes vivo{0%,100%{opacity:1}50%{opacity:.35}}
.zap-bolha b{display:block;font-family:'Barlow Semi Condensed',sans-serif;font-size:.94rem;color:#fff;line-height:1.2;margin-bottom:4px}
.zap-bolha p{margin:0;font-size:.75rem;color:#A9B1B9;line-height:1.4}
.zap-bolha::after{content:"";position:absolute;right:-6px;bottom:13px;width:12px;height:12px;
  background:#181B1F;border-right:1px solid #343A41;border-bottom:1px solid #343A41;transform:rotate(-45deg);border-radius:0 0 3px 0}
.zap-fechar{position:absolute;top:-8px;left:-8px;width:21px;height:21px;border-radius:50%;border:1px solid #3D444B;
  background:#22262B;color:#9AA2AA;cursor:pointer;font-size:13px;line-height:1;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(0,0,0,.35);transition:background .16s,color .16s,transform .16s;padding:0;z-index:3}
.zap-fechar:hover{background:var(--vermelho);color:#fff;border-color:var(--vermelho);transform:scale(1.08)}

/* --- mascote em plataforma luminosa --- */
.zap-palco{position:relative;z-index:1;display:block;line-height:0}
.zap-palco::before{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:56px;height:15px;border-radius:50%;background:radial-gradient(ellipse,rgba(43,224,112,.55),transparent 68%);
  filter:blur(5px);animation:brilho 3.6s ease-in-out infinite}
@keyframes brilho{0%,100%{opacity:.75;width:56px}50%{opacity:1;width:66px}}
.zap-mascote{position:relative;width:88px;height:auto;display:block;
  filter:drop-shadow(0 14px 18px rgba(0,0,0,.42));animation:flutua 3.6s ease-in-out infinite}
@keyframes flutua{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.zap-card:hover .zap-mascote{animation-play-state:paused;transform:translateY(-5px) scale(1.05);transition:transform .3s cubic-bezier(.2,.7,.3,1)}

/* --- botão futurista --- */
.zap-btn{position:relative;display:inline-flex;align-items:center;gap:11px;isolation:isolate;
  background:linear-gradient(135deg,#1FB955 0%,#2BE070 48%,#12A44A 100%);background-size:220% 220%;
  color:#04240F;border:0;border-radius:999px;padding:15px 26px 15px 17px;cursor:pointer;text-decoration:none;
  font-family:'Barlow Semi Condensed',sans-serif;font-weight:800;font-size:1.06rem;letter-spacing:.03em;
  box-shadow:0 14px 36px rgba(37,211,102,.5),inset 0 1px 0 rgba(255,255,255,.4);
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s,background-position .5s;
  animation:desliza 6s ease infinite}
@keyframes desliza{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.zap-btn:hover{transform:translateY(-4px) scale(1.03);box-shadow:0 22px 48px rgba(37,211,102,.62),inset 0 1px 0 rgba(255,255,255,.5)}
.zap-btn::after{content:"";position:absolute;inset:0;border-radius:999px;z-index:1;pointer-events:none;overflow:hidden;
  background:linear-gradient(105deg,transparent 34%,rgba(255,255,255,.55) 50%,transparent 66%);
  background-size:250% 100%;background-position:-140% 0;transition:background-position .75s ease}
.zap-btn:hover::after{background-position:240% 0}
.zap-btn .ico{position:relative;z-index:2;width:34px;height:34px;border-radius:50%;flex:none;
  background:rgba(255,255,255,.94);display:flex;align-items:center;justify-content:center;
  box-shadow:0 3px 10px rgba(0,0,0,.16)}
.zap-btn .ico svg{width:21px;height:21px;fill:#12A44A}
.zap-btn .txt{position:relative;z-index:2;display:flex;flex-direction:column;line-height:1.12}
.zap-btn .txt small{font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;opacity:.72}
.zap-btn .anel{position:absolute;inset:-3px;border-radius:999px;border:2px solid rgba(43,224,112,.7);z-index:0;
  animation:anel 2.8s cubic-bezier(.2,.7,.3,1) infinite;pointer-events:none}
.zap-btn .anel.d2{animation-delay:1.4s}
@keyframes anel{0%{opacity:.85;transform:scale(1)}70%{opacity:0;transform:scale(1.3)}100%{opacity:0;transform:scale(1.3)}}
.zap-btn .pt{position:absolute;top:-4px;right:-4px;width:14px;height:14px;border-radius:50%;background:var(--vermelho);
  border:2px solid #fff;z-index:4;box-shadow:0 2px 8px rgba(214,31,38,.5)}
.zap-btn .pt::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:2px solid rgba(214,31,38,.5);animation:anel 2.8s ease-out infinite}

@media(max-width:760px){
  .zap{right:14px;bottom:14px;gap:8px}
  .zap-mascote{width:70px}
  .zap-palco::before{width:44px;height:12px}
  .zap-bolha{max-width:158px;padding:10px 12px 11px;margin-bottom:18px}
  .zap-bolha b{font-size:.86rem}.zap-bolha p{font-size:.75rem}
  .zap-btn{padding:12px 20px 12px 13px;font-size:.95rem;gap:9px}
  .zap-btn .ico{width:29px;height:29px}.zap-btn .ico svg{width:18px;height:18px}
}
@media(prefers-reduced-motion:reduce){
  .zap-mascote,.zap-btn,.zap-btn .anel,.zap-btn .pt::after,.zap-palco::before,.zap-bolha .tag::before{animation:none}
  .zap-card{transition:none}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* Link "pular para o conteudo" - visivel apenas quando recebe foco pelo teclado */
.pular{position:absolute;left:-9999px;top:0;z-index:100;background:var(--vermelho);color:#fff;
  padding:13px 22px;border-radius:0 0 8px 0;text-decoration:none;
  font-family:'Barlow Semi Condensed',sans-serif;font-weight:700;font-size:1rem;letter-spacing:.02em}
.pular:focus{left:0}

/* Bloco "Leia tambem" - links internos contextuais */
.leia-tambem{border:1px solid var(--linha);border-left:3px solid var(--vermelho);border-radius:0 12px 12px 0;
  background:var(--fundo-alt);padding:22px 26px;margin:40px 0 0}
.leia-tambem h3{font-family:'Barlow',sans-serif;font-size:.74rem;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--cinza);margin:0 0 13px}
.leia-tambem ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.leia-tambem li{margin:0}
.leia-tambem a{display:inline-flex;align-items:baseline;gap:9px;color:var(--grafite);
  text-decoration:none;font-weight:500;font-size:.97rem;line-height:1.45}
.leia-tambem a::before{content:"\2192";color:var(--vermelho);font-weight:700;flex:none}
.leia-tambem a:hover{color:var(--vermelho);text-decoration:underline}

/* Assinatura Engrenza no rodape */
.credito-linha{display:flex;justify-content:center;padding-top:26px}
.credito-eng{display:inline-flex;align-items:center;gap:12px;padding:11px 20px 11px 16px;
  border:1px solid #343A41;border-radius:999px;background:linear-gradient(140deg,#24292E,#1A1E22);
  text-decoration:none;color:#98A0A8;font-size:.83rem;line-height:1;white-space:nowrap;
  transition:border-color .22s,color .22s,box-shadow .22s,transform .22s,background .22s}
.credito-eng:hover{border-color:#1CA9F0;color:#CBD3DA;transform:translateY(-2px);
  background:linear-gradient(140deg,#272D33,#1C2126);box-shadow:0 10px 28px rgba(28,169,240,.2)}
.credito-eng svg{width:27px;height:20px;flex:none;display:block}
.credito-eng .ce-e{fill:#C6CDD4;transition:fill .22s}
.credito-eng:hover .ce-e{fill:#fff}
.credito-eng .ce-c{fill:#1CA9F0}
.credito-eng b{font-family:'Barlow Semi Condensed',sans-serif;font-weight:800;letter-spacing:.09em;
  color:#E7EBEF;font-size:.96rem;transition:color .22s}
.credito-eng:hover b{color:#fff}
.credito-eng .ce-ar{color:#1CA9F0;font-weight:700;display:inline-block;transition:transform .22s}
.credito-eng:hover .ce-ar{transform:translateX(3px)}
@media(max-width:520px){
  .credito-eng{font-size:.76rem;gap:9px;padding:10px 16px 10px 13px;white-space:normal}
  .credito-eng b{font-size:.88rem}
}
@media(prefers-reduced-motion:reduce){.credito-eng,.credito-eng .ce-ar,.credito-eng .ce-e{transition:none}}

/* Assinatura visivel dos artigos tecnicos (autoria = Organization, igual ao schema) */
.byline{margin-top:14px;font-size:.88rem;color:var(--cinza)}
.byline b{color:var(--grafite);font-weight:600}

/* Fotos reais da planta dentro dos artigos */
.fotos-planta{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin:18px 0 8px}
.fotos-planta figure{margin:0}
.fotos-planta img{width:100%;height:auto;border-radius:10px;border:1px solid var(--linha);display:block}
.fotos-planta figcaption{font-size:.84rem;color:var(--cinza);margin-top:7px;line-height:1.5}
.fotos-planta figcaption b{color:var(--grafite);font-weight:600}

/* Reveal ao entrar na tela. O JS (artec.*.js) marca os alvos com .reveal-pending
   e, quando entram no viewport, troca por .reveal-in - a transicao toca sozinha
   por 0,7s, independente da velocidade do scroll. Sem JS nada e marcado e o
   conteudo aparece normal; com prefers-reduced-motion o JS nem executa.
   !important garante a transicao mesmo em elementos com transition propria
   (ex.: cards com hover); o JS remove .reveal-in ao terminar, devolvendo o
   comportamento original de hover. */
.reveal-pending{opacity:0!important;transform:translateY(36px)!important}
.reveal-in{opacity:1!important;transform:none!important;
  transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)!important;
  transition-delay:var(--rv,0ms)!important}
@media(prefers-reduced-motion:reduce){.reveal-pending{opacity:1!important;transform:none!important}.reveal-in{transition:none!important}}