:root{--red:#e21b2d;--red2:#8f0f19;--bg:#f6f7fb;--card:#fff;--text:#10131a;--muted:#657083;--border:rgba(20,25,35,.12);--shadow:0 25px 70px rgba(10,15,25,.12)}
body.dark{--bg:#090d12;--card:#121821;--text:#f4f7fb;--muted:#a8b0bf;--border:rgba(255,255,255,.1);--shadow:0 25px 70px rgba(0,0,0,.45)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Cairo,Arial,sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden;transition:.35s}a{text-decoration:none;color:inherit}.section-pad{padding:100px 7%}.bg-anim{position:fixed;inset:0;z-index:-2;overflow:hidden;background:radial-gradient(circle at 15% 15%,rgba(226,27,45,.18),transparent 30%),radial-gradient(circle at 85% 20%,rgba(226,27,45,.11),transparent 32%),var(--bg)}.bg-anim:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(226,27,45,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(226,27,45,.04) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(circle,black,transparent 70%);animation:gridMove 18s linear infinite}.bg-anim span{position:absolute;width:360px;height:360px;border-radius:50%;filter:blur(60px);opacity:.32;background:var(--red);animation:float 12s infinite alternate}.bg-anim span:nth-child(1){top:12%;left:5%}.bg-anim span:nth-child(2){bottom:8%;right:10%;animation-delay:2s}.bg-anim span:nth-child(3){top:45%;left:55%;width:220px;height:220px;animation-delay:4s}@keyframes float{to{transform:translate(55px,-35px) scale(1.12)}}@keyframes gridMove{to{transform:translateY(44px)}}
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;height:86px;display:flex;align-items:center;justify-content:space-between;padding:12px 7%;transition:.3s;background:rgba(255,255,255,.04);backdrop-filter:blur(14px);border-bottom:1px solid transparent}.site-header.scrolled{background:rgba(12,14,18,.72);border-bottom-color:rgba(255,255,255,.08);box-shadow:0 15px 40px rgba(0,0,0,.12)}body:not(.dark) .site-header.scrolled{background:rgba(255,255,255,.78)}.brand{display:flex;align-items:center;gap:12px}.brand img{width:58px;height:58px;object-fit:cover;border-radius:16px}.brand strong{display:block;font-size:24px;color:var(--red)}.brand small{font-family:Montserrat;letter-spacing:3px;color:var(--muted);font-size:11px}nav{display:flex;gap:28px;align-items:center}nav a{font-weight:800;color:var(--muted);position:relative}nav a.active,nav a:hover{color:var(--red)}nav a:after{content:"";position:absolute;right:0;bottom:-10px;height:2px;width:0;background:var(--red);transition:.3s}nav a:hover:after,nav a.active:after{width:100%}.theme-toggle,.menu-btn{border:1px solid var(--border);background:var(--card);color:var(--text);width:44px;height:44px;border-radius:50%;display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow)}.menu-btn{display:none}
.hero{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;padding-top:150px}.badge{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid rgba(226,27,45,.28);border-radius:999px;background:rgba(226,27,45,.08);color:var(--red);font-weight:900}.hero h1,.page-hero h1{font-size:clamp(38px,6vw,76px);line-height:1.15;margin:24px 0 18px;font-weight:900;letter-spacing:-1px}.hero p,.page-hero p,.about-text p{font-size:19px;color:var(--muted);line-height:1.9}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:15px 26px;border-radius:16px;font-weight:900;border:1px solid var(--border);transition:.3s}.btn.primary{background:linear-gradient(135deg,var(--red),var(--red2));color:#fff;box-shadow:0 18px 40px rgba(226,27,45,.32)}.btn.ghost{background:var(--card)}.btn:hover{transform:translateY(-4px)}.stats{display:flex;gap:18px;margin-top:38px;flex-wrap:wrap}.stats div{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:18px 24px;box-shadow:var(--shadow)}.stats b{font-size:32px;color:var(--red);font-family:Montserrat}.stats span{display:block;color:var(--muted);font-weight:800}.shield-card{position:relative;min-height:520px;border:1px solid var(--border);border-radius:38px;background:linear-gradient(145deg,rgba(255,255,255,.12),rgba(255,255,255,.02));box-shadow:var(--shadow);padding:42px;overflow:hidden;animation:cardFloat 4s ease-in-out infinite}.shield-card:before{content:"";position:absolute;inset:-35%;background:conic-gradient(transparent,var(--red),transparent 28%);animation:spin 9s linear infinite;opacity:.25}.shield-card>*{position:relative;z-index:1}.big-fire{font-size:120px!important;color:var(--red);filter:drop-shadow(0 15px 30px rgba(226,27,45,.4))}.shield-card h3{font-size:35px;font-family:Montserrat;margin:20px 0 8px}.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:40px}.mini-grid span{display:flex;gap:8px;align-items:center;background:var(--card);border:1px solid var(--border);padding:14px;border-radius:16px;font-weight:800}@keyframes cardFloat{50%{transform:translateY(-14px)}}@keyframes spin{to{transform:rotate(360deg)}}
.section-title{text-align:center;max-width:850px;margin:0 auto 48px}.section-title span{color:var(--red);font-family:Montserrat;letter-spacing:4px;font-weight:800}.section-title h2{font-size:clamp(30px,4vw,52px);margin:8px 0;font-weight:900}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.about-img{min-height:360px;border-radius:32px;background:linear-gradient(135deg,rgba(226,27,45,.82),rgba(12,14,18,.9));color:#fff;display:flex;flex-direction:column;justify-content:flex-end;padding:36px;box-shadow:var(--shadow);overflow:hidden}.about-img span{font-size:95px!important}.about-text{background:var(--card);border:1px solid var(--border);border-radius:32px;padding:36px;box-shadow:var(--shadow)}.about-text ul{list-style:none;padding:0;margin:22px 0 0}.about-text li{display:flex;gap:10px;margin:14px 0;font-weight:800}.about-text li span{color:var(--red)}.cards-grid,.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.service-card,.product-card{background:var(--card);border:1px solid var(--border);border-radius:28px;padding:30px;box-shadow:var(--shadow);transition:.35s;position:relative;overflow:hidden}.service-card:after,.product-card:after{content:"";position:absolute;inset:auto 0 0;height:4px;background:linear-gradient(90deg,var(--red),transparent);transform:scaleX(0);transform-origin:right;transition:.35s}.service-card:hover,.product-card:hover{transform:translateY(-10px);border-color:rgba(226,27,45,.45)}.service-card:hover:after,.product-card:hover:after{transform:scaleX(1)}.service-card i,.product-card i{font-size:48px;color:var(--red)}.service-card h3,.product-card h3{font-size:23px;margin:15px 0 8px}.service-card p,.product-card p{color:var(--muted);line-height:1.8}.pill-wrap{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}.pill-wrap span{padding:14px 22px;background:var(--card);border:1px solid var(--border);border-radius:999px;font-weight:900}.project-track{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.project-card{min-height:220px;border-radius:28px;padding:26px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;background:linear-gradient(160deg,rgba(226,27,45,.75),rgba(8,10,14,.92)),url('logo.png') center/cover;box-shadow:var(--shadow)}.project-card b{font-size:24px}.project-card span{opacity:.85}.cta-box{max-width:950px;margin:auto;text-align:center;border-radius:34px;padding:60px 30px;background:linear-gradient(135deg,var(--red),#38070b);color:#fff;box-shadow:0 30px 80px rgba(226,27,45,.3)}.cta-box h2{font-size:42px;margin:0 0 10px}.cta-box p{opacity:.9;font-size:18px}.cta-box .btn{background:#fff;color:var(--red)}footer{text-align:center;padding:30px;color:var(--muted);border-top:1px solid var(--border)}.whatsapp{position:fixed;left:24px;bottom:24px;width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:#25d366;color:#fff;z-index:80;box-shadow:0 15px 35px rgba(37,211,102,.45);animation:pulse 1.7s infinite}.whatsapp span{font-size:32px}@keyframes pulse{50%{transform:scale(1.08);box-shadow:0 0 0 18px rgba(37,211,102,.08)}}
.page-hero{padding-top:170px;text-align:center;max-width:1050px;margin:auto}.filters{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:35px}.filters button{border:1px solid var(--border);background:var(--card);color:var(--text);padding:12px 22px;border-radius:999px;font-family:Cairo;font-weight:900;cursor:pointer}.filters button.active{background:var(--red);color:#fff}.products-grid{grid-template-columns:repeat(3,1fr)}.product-card a{color:var(--red);font-weight:900}.quote-form{max-width:900px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:16px;background:var(--card);border:1px solid var(--border);border-radius:32px;padding:28px;box-shadow:var(--shadow)}.quote-form input,.quote-form select,.quote-form textarea{width:100%;border:1px solid var(--border);background:var(--bg);color:var(--text);padding:16px;border-radius:16px;font-family:Cairo;font-size:15px}.quote-form textarea{grid-column:1/-1;min-height:130px}.quote-form button{border:0;font-family:Cairo;cursor:pointer}.reveal{opacity:0;transform:translateY(30px);transition:.7s}.reveal.show{opacity:1;transform:none}
@media(max-width:980px){.menu-btn{display:grid}nav{position:fixed;top:86px;left:7%;right:7%;background:var(--card);border:1px solid var(--border);border-radius:24px;padding:18px;display:none;flex-direction:column;box-shadow:var(--shadow)}nav.open{display:flex}.hero,.about-grid{grid-template-columns:1fr}.cards-grid,.products-grid,.project-track{grid-template-columns:1fr 1fr}.section-pad{padding:82px 5%}.hero{padding-top:125px}.site-header{padding:12px 5%}}
@media(max-width:620px){.cards-grid,.products-grid,.project-track,.quote-form{grid-template-columns:1fr}.hero h1,.page-hero h1{font-size:38px}.shield-card{min-height:auto}.mini-grid{grid-template-columns:1fr}.brand small{display:none}.stats{display:grid;grid-template-columns:1fr 1fr}.stats div:last-child{grid-column:1/-1}.cta-box h2{font-size:30px}}

/* Mobile responsive polish */
.nav-backdrop{display:none}
@media(max-width:980px){
  body.menu-open{overflow:hidden}
  .site-header{height:76px;padding:10px 5%;gap:10px}
  .brand{min-width:0;gap:9px;flex:1}
  .brand img{width:48px;height:48px;border-radius:14px}
  .brand strong{font-size:20px;line-height:1}
  .brand small{font-size:9px;letter-spacing:2px;white-space:nowrap}
  .theme-toggle,.menu-btn{width:42px;height:42px;min-width:42px;box-shadow:none;position:relative;z-index:101}
  .menu-btn{display:grid;order:3}
  .theme-toggle{order:2}
  .brand{order:1}
  nav#nav{
    position:fixed;
    top:0;
    right:0;
    left:auto;
    width:min(82vw,360px);
    height:100vh;
    padding:96px 22px 28px;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    border-radius:0 0 0 30px;
    background:rgba(18,24,33,.96);
    border:1px solid rgba(255,255,255,.1);
    border-top:0;
    border-right:0;
    box-shadow:-30px 0 80px rgba(0,0,0,.28);
    transform:translateX(110%);
    opacity:0;
    pointer-events:none;
    transition:transform .32s ease, opacity .32s ease;
    z-index:100;
    backdrop-filter:blur(20px);
  }
  body:not(.dark) nav#nav{background:rgba(255,255,255,.96)}
  nav#nav.open{transform:translateX(0);opacity:1;pointer-events:auto}
  nav#nav a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    min-height:54px;
    padding:0 16px;
    border-radius:16px;
    background:rgba(226,27,45,.045);
    border:1px solid var(--border);
    font-size:16px;
    color:var(--text);
  }
  nav#nav a.active,nav#nav a:hover{background:linear-gradient(135deg,var(--red),var(--red2));color:#fff;border-color:transparent;transform:translateX(-4px)}
  nav#nav a:after{display:none}
  nav#nav a::before{content:'chevron_left';font-family:'Material Icons Outlined';font-size:22px;order:2;opacity:.8}
  .nav-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.52);z-index:90;display:block;opacity:0;pointer-events:none;transition:.32s;backdrop-filter:blur(4px)}
  .nav-backdrop.show{opacity:1;pointer-events:auto}
  .hero{padding-top:112px;gap:28px}
  .page-hero{padding-top:118px;padding-inline:5%}
}
@media(max-width:620px){
  .site-header{height:70px;padding:8px 4%}
  .brand img{width:42px;height:42px;border-radius:12px}
  .brand strong{font-size:18px}
  .brand small{display:block;font-size:8px;letter-spacing:1.5px}
  .theme-toggle,.menu-btn{width:39px;height:39px;min-width:39px}
  nav#nav{width:86vw;padding:88px 16px 22px;border-radius:0 0 0 24px}
  nav#nav a{min-height:52px;font-size:15px;padding:0 14px}
  .section-pad{padding:70px 4.5%}
  .hero{min-height:auto;padding-top:105px;text-align:center}
  .badge{font-size:13px;padding:9px 13px}
  .hero h1,.page-hero h1{font-size:clamp(31px,9vw,40px);line-height:1.25;margin:18px 0 12px}
  .hero p,.page-hero p,.about-text p{font-size:16px;line-height:1.8}
  .hero-actions{justify-content:center;margin-top:22px}
  .btn{width:100%;padding:14px 18px;border-radius:14px}
  .stats{grid-template-columns:1fr;gap:12px;margin-top:24px}
  .stats div,.stats div:last-child{grid-column:auto;padding:14px 16px;border-radius:16px}
  .stats b{font-size:27px}
  .shield-card{padding:24px;border-radius:26px;text-align:right;animation:none}
  .big-fire{font-size:78px!important}
  .shield-card h3{font-size:24px}
  .mini-grid span{font-size:14px;padding:12px}
  .about-text,.service-card,.product-card,.quote-form{padding:22px;border-radius:22px}
  .about-img{min-height:260px;padding:24px;border-radius:24px}
  .about-img span{font-size:70px!important}
  .section-title{margin-bottom:30px}
  .section-title span{font-size:12px;letter-spacing:2px}
  .pill-wrap{gap:10px}.pill-wrap span{padding:10px 14px;font-size:14px}
  .project-card{min-height:175px;border-radius:22px}
  .cta-box{padding:38px 20px;border-radius:24px}.cta-box h2{font-size:26px}
  .whatsapp{width:56px;height:56px;left:16px;bottom:16px}.whatsapp span{font-size:28px}
  .filters{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;padding-bottom:8px}.filters button{white-space:nowrap;padding:10px 16px}
}