:root{
  --bg:#030303;--panel:#0b0b0c;--panel2:#111113;--text:#f5f5f5;--muted:#b7b7bc;
  --red:#ef1515;--red2:#ff3232;--border:rgba(255,255,255,.11);--shadow:0 0 30px rgba(239,21,21,.16)
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--bg);color:var(--text);font-family:Montserrat,Arial,sans-serif;line-height:1.6}
img{display:block;max-width:100%} a{text-decoration:none;color:inherit} button{font:inherit}.container{width:min(1320px,calc(100% - 48px));margin-inline:auto}

.brand-banner{height:178px;position:relative;display:grid;place-items:center;overflow:hidden;background:#020202;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-banner img{width:min(660px,52vw);max-height:148px;object-fit:contain;position:relative;z-index:2;filter:drop-shadow(0 0 10px rgba(255,255,255,.08))}
.brand-circuit{position:absolute;top:34px;width:31%;height:105px;opacity:.55;background:
 linear-gradient(90deg,transparent 0 8%,rgba(255,255,255,.16) 8% 8.5%,transparent 8.5% 18%,rgba(239,21,21,.42) 18% 18.6%,transparent 18.6% 100%),
 linear-gradient(160deg,transparent 0 38%,rgba(255,255,255,.18) 38% 39%,transparent 39% 50%,rgba(239,21,21,.45) 50% 51%,transparent 51% 100%);
 mask:linear-gradient(90deg,#000,transparent 92%)}
.brand-circuit::before,.brand-circuit::after{content:"";position:absolute;border:1px solid rgba(255,255,255,.22);border-left:0;border-radius:0 18px 18px 0}
.brand-circuit::before{inset:16px 2% 54px 8%}.brand-circuit::after{inset:62px 14% 10px 2%;border-color:rgba(239,21,21,.34)}
.brand-circuit-left{left:0}.brand-circuit-right{right:0;transform:scaleX(-1)}

.site-nav{position:sticky;top:0;z-index:50;background:rgba(3,3,3,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}
.nav-inner{min-height:72px;display:flex;align-items:center;gap:22px}.main-menu{display:flex;align-items:center;gap:44px;margin-right:auto}
.main-menu a{position:relative;padding:25px 0 21px;text-transform:uppercase;font-size:.78rem;font-weight:800;color:#ddd;letter-spacing:.02em}
.main-menu a::after{content:"";position:absolute;left:0;right:100%;bottom:15px;height:2px;background:var(--red);transition:.2s}.main-menu a:hover,.main-menu a.active{color:#fff}.main-menu a:hover::after,.main-menu a.active::after{right:0}
.nav-actions{display:flex;gap:10px}.client-top,.whatsapp-top{min-height:42px;display:inline-flex;align-items:center;gap:9px;border-radius:7px;padding:0 16px;font-size:.78rem;font-weight:800;text-transform:uppercase;white-space:nowrap}
.client-top{border:1px solid var(--border)}.client-top:hover{border-color:var(--red)}.whatsapp-top{border:1px solid var(--red);background:var(--red)}.whatsapp-top:hover{background:#ff2525}.menu-toggle{display:none}

.hero{background:radial-gradient(circle at 70% 15%,rgba(239,21,21,.11),transparent 35%),#040404;padding:0 0 34px}
.hero-grid{display:grid;grid-template-columns:.88fr 1.12fr;align-items:center;min-height:450px}.hero-copy{padding:54px 54px 46px 0}
.eyebrow{margin:0 0 12px;color:var(--red2);text-transform:uppercase;font-size:.78rem;font-weight:800;letter-spacing:.09em}h1,h2,h3{line-height:1.12;margin-top:0}
h1{font-size:clamp(2.55rem,3.8vw,4.35rem);letter-spacing:-.045em;margin-bottom:22px;max-width:650px}h1 span{color:var(--red2);text-shadow:0 0 18px rgba(255,50,50,.22)}
h2{font-size:clamp(2rem,3.3vw,3.25rem);letter-spacing:-.03em}.hero-text,.lead{color:var(--muted);font-size:1rem}.hero-text{max-width:610px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:7px;border:1px solid transparent;text-transform:uppercase;font-weight:800;font-size:.82rem;transition:.2s}.button:hover{transform:translateY(-2px)}
.button-primary{background:var(--red);box-shadow:var(--shadow)}.button-primary:hover{background:#ff2525}.button-outline{border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.015)}.button-outline:hover{border-color:var(--red)}.full{width:100%}
.hero-image{padding:28px 0 28px 18px;display:flex;align-items:center}.hero-image img{width:100%;height:auto;max-height:420px;object-fit:contain;object-position:center;filter:drop-shadow(0 18px 38px rgba(0,0,0,.58))}

.features{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);border-radius:12px;overflow:hidden;background:rgba(8,8,9,.94)}.features article{display:flex;gap:16px;align-items:flex-start;padding:22px 20px;min-height:126px}.features article+article{border-left:1px solid var(--border)}
.features h3{font-size:.84rem;text-transform:uppercase;margin-bottom:7px}.features p{margin:0;color:var(--muted);font-size:.76rem}.icon{flex:0 0 auto;width:46px;height:46px;display:grid;place-items:center;border:1px solid rgba(239,21,21,.7);border-radius:9px;color:var(--red2);font-size:1.4rem}
.section{padding:88px 0;background:#080809}.section.alt{background:#030303;border-block:1px solid var(--border)}.section-title{max-width:760px;margin-bottom:40px}.section-title>p:last-child{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:26px;min-height:220px;border:1px solid var(--border);border-radius:14px;background:linear-gradient(145deg,#111113,#09090a);transition:.25s}.card:hover{transform:translateY(-4px);border-color:rgba(239,21,21,.52);box-shadow:var(--shadow)}
.card-icon{width:48px;height:48px;display:grid;place-items:center;border:1px solid rgba(239,21,21,.7);border-radius:10px;color:var(--red2);font-size:1.55rem;margin-bottom:20px}.card p{color:var(--muted);font-size:.9rem}
.two-cols{display:grid;grid-template-columns:1.15fr .85fr;gap:62px;align-items:center}.checks{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:14px}.checks li::before{content:"✓";color:var(--red2);font-weight:900;margin-right:12px}
.client-box{padding:34px;border:1px solid rgba(255,255,255,.14);border-radius:18px;background:linear-gradient(145deg,#151517,#09090a);box-shadow:var(--shadow)}.client-box p:not(.eyebrow){color:var(--muted)}
.about-visual{min-height:300px;border:1px solid var(--border);border-radius:18px;background:radial-gradient(circle at 30% 50%,rgba(239,21,21,.18),transparent 42%),#060606;display:grid;place-content:center;padding:40px}.about-visual strong{font-size:5rem;color:var(--red2);line-height:1}.about-visual span{max-width:390px;font-size:1.15rem;font-weight:700;margin-top:16px}
.contact{padding:78px 0;background:radial-gradient(circle at 20% 50%,rgba(239,21,21,.13),transparent 35%),#09090a;border-top:1px solid var(--border)}
.contact-layout{display:grid;grid-template-columns:repeat(3,1fr) 1.35fr;gap:18px;align-items:stretch}.contact-card,.map-card{border:1px solid var(--border);border-radius:15px;background:linear-gradient(145deg,#111113,#09090a);overflow:hidden}.contact-card{padding:26px}.contact-card h3{margin-bottom:12px}.contact-card p,.contact-card a:not(.button){color:var(--muted)}.map-card iframe{width:100%;height:100%;min-height:330px;border:0;display:block}
.floating-wa{position:fixed;right:22px;bottom:22px;z-index:60;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:var(--red);font-weight:900;font-size:.76rem;box-shadow:0 10px 30px rgba(239,21,21,.38)}
.footer{position:relative;overflow:hidden;background:#020202;border-top:1px solid var(--border);min-height:220px;display:grid;place-items:center}.footer-inner{position:relative;z-index:2;text-align:center;padding:34px 0}.footer-logo{font-size:2.25rem;line-height:1;letter-spacing:.14em;font-weight:500;color:#f2f2f2}.footer-logo span{color:var(--red2)}.footer-motto{margin:12px 0 4px;color:#d8d8da;font-size:.92rem}.footer-motto b{color:var(--red);padding:0 5px}.footer-company{margin:0;color:#aaaab0;font-size:.8rem}.footer-copy{margin:7px 0 0;color:#6f6f75;font-size:.72rem}
.footer-circuit{position:absolute;bottom:28px;width:28%;height:80px;opacity:.48;border-top:1px solid rgba(255,255,255,.12)}.footer-circuit::before,.footer-circuit::after{content:"";position:absolute;height:30px;border-top:1px solid rgba(239,21,21,.34);border-right:1px solid rgba(239,21,21,.34);width:65%;top:18px}.footer-circuit::after{top:45px;width:82%;border-color:rgba(255,255,255,.18)}.footer-circuit-left{left:0}.footer-circuit-right{right:0;transform:scaleX(-1)}
@media(max-width:1100px){.contact-layout{grid-template-columns:repeat(2,1fr)}.map-card{grid-column:1/-1}.main-menu{gap:26px}.brand-banner img{width:min(650px,62vw)}}
@media(max-width:980px){.menu-toggle{display:grid;gap:5px;margin-right:auto;background:transparent;border:0;padding:8px}.menu-toggle span{display:block;width:28px;height:2px;background:#fff}.main-menu{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#070707;padding:18px;border-bottom:1px solid var(--border)}.main-menu.open{display:flex}.main-menu a{padding:12px}.main-menu a::after{display:none}.nav-actions{margin-left:auto}.hero-grid,.two-cols{grid-template-columns:1fr}.hero-copy{padding:52px 0 28px}.hero-image{padding:0 0 34px}.hero-image img{max-height:390px}.features{grid-template-columns:repeat(2,1fr)}.features article:nth-child(3){border-left:0;border-top:1px solid var(--border)}.features article:nth-child(4){border-top:1px solid var(--border)}.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.contact-layout{grid-template-columns:1fr}.map-card{grid-column:auto}.brand-banner{height:112px}.brand-banner img{width:min(620px,83vw);max-height:96px}.brand-circuit{top:22px;height:70px;opacity:.35}.client-top{display:none}.container{width:min(100% - 26px,1320px)}.nav-inner{min-height:66px}.main-menu{top:66px}.whatsapp-top{font-size:.72rem;padding:0 12px}.hero-grid{min-height:0}h1{font-size:clamp(2.25rem,11vw,3.2rem)}h2{font-size:2rem}.hero-actions .button{width:100%}.hero-image img{max-height:300px}.features,.cards{grid-template-columns:1fr}.features article+article{border-left:0;border-top:1px solid var(--border)}.section{padding:68px 0}.footer{min-height:205px}.footer-circuit{width:33%;opacity:.28}}

/* Refinamentos aprovados - v3 */
.brand-banner{height:164px;isolation:isolate}
.brand-logo{width:min(680px,50vw);max-height:144px;object-fit:contain;position:relative;z-index:2;filter:brightness(.92) saturate(.90) drop-shadow(0 0 8px rgba(255,255,255,.06))}
.pcb-circuit{position:absolute;top:22px;width:31%;height:118px;opacity:.72;z-index:1}
.pcb-circuit svg{width:100%;height:100%;overflow:visible}
.pcb-circuit path{stroke:rgba(210,210,214,.33);stroke-width:1.25}
.pcb-circuit path:nth-child(even){stroke:rgba(239,21,21,.48)}
.pcb-circuit .nodes circle{fill:#050505;stroke:rgba(225,225,229,.65);stroke-width:1.5}
.pcb-circuit .nodes circle:nth-child(3n){stroke:rgba(239,21,21,.82)}
.pcb-circuit-left{left:0}.pcb-circuit-right{right:0;transform:scaleX(-1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.whatsapp-top{width:46px;height:46px;min-height:46px;padding:0;border-radius:50%;justify-content:center;background:transparent;border:1px solid rgba(239,21,21,.78);box-shadow:0 0 16px rgba(239,21,21,.12)}
.whatsapp-top svg{width:23px;height:23px;fill:#fff}.whatsapp-top:hover{background:rgba(239,21,21,.14);box-shadow:0 0 20px rgba(239,21,21,.28)}
.client-top{min-height:46px;border:1px solid rgba(239,21,21,.9);background:linear-gradient(180deg,rgba(239,21,21,.08),rgba(239,21,21,.025));box-shadow:0 0 18px rgba(239,21,21,.12)}
.client-top svg{width:20px;height:20px;fill:#fff}.client-top:hover{border-color:#ff3232;box-shadow:0 0 24px rgba(239,21,21,.28)}
.hero-grid{min-height:420px}.hero-copy{padding:46px 48px 36px 0}
h1{font-size:clamp(2.35rem,3.3vw,3.85rem);line-height:1.08;max-width:690px;margin-bottom:20px}
.hero-actions{margin-top:24px}.button-client{border-color:rgba(239,21,21,.7);box-shadow:0 0 14px rgba(239,21,21,.08)}.button-client:hover{border-color:#ff3232;box-shadow:0 0 20px rgba(239,21,21,.22)}
.hero-image{padding:22px 0 22px 14px}.hero-image img{max-height:390px}
.features article{min-height:116px;padding:19px 18px}
.floating-wa{width:58px;height:58px;font-size:0;border:1px solid rgba(255,255,255,.08);transition:.2s}.floating-wa svg{width:29px;height:29px;fill:#fff}.floating-wa:hover{transform:translateY(-3px) scale(1.03);background:#ff2525;box-shadow:0 12px 34px rgba(239,21,21,.5)}
@media(max-width:1100px){.brand-logo{width:min(650px,61vw)}.pcb-circuit{width:28%;opacity:.55}}
@media(max-width:980px){.hero-grid{min-height:0}.hero-copy{padding:44px 0 24px}.hero-image{padding:0 0 28px}.nav-actions{margin-left:auto}}
@media(max-width:700px){.brand-banner{height:108px}.brand-logo{width:min(610px,82vw);max-height:94px}.pcb-circuit{top:18px;height:72px;width:24%;opacity:.34}.whatsapp-top{width:42px;height:42px;min-height:42px}.client-top{display:none}h1{font-size:clamp(2.05rem,10.5vw,2.95rem)}.hero-copy{padding-top:40px}.features article{min-height:108px}}