:root{
  --blue:#1f6feb; --blue-d:#1857c2; --blue-l:#eaf3ff; --blue-xl:#f6faff;
  --bg:#ffffff; --bg2:#f4f8fe; --card:#ffffff; --line:#e2eaf2;
  --text:#1e293b; --dim:#5b6b7b; --dim2:#8aa0b2;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.65}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.center{text-align:center}
ul{list-style:none}
section{scroll-margin-top:80px}

/* nav */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);box-shadow:0 1px 8px rgba(31,111,235,.05)}
.nav-in{display:flex;align-items:center;height:70px;gap:16px}
.logo{font-size:21px;font-weight:900;letter-spacing:1px;color:var(--text);display:flex;align-items:baseline;gap:8px;flex:none}
.logo span{font-size:11px;color:var(--blue);letter-spacing:3px}
.nav .links{display:flex;align-items:center;gap:24px;margin-inline-start:auto}
.links a{color:var(--dim);font-size:14.5px;white-space:nowrap}
.links a:hover{color:var(--blue)}
.nav-cta{background:var(--blue);color:#fff!important;font-weight:700;padding:9px 18px;border-radius:8px}
.nav-cta:hover{background:var(--blue-d);color:#fff!important}
.lang{display:flex;gap:2px;border:1px solid var(--line);border-radius:99px;padding:3px;background:#fff;flex:none}
.lang button{background:none;border:none;color:var(--dim);font-size:12.5px;cursor:pointer;padding:3px 9px;border-radius:99px;font-family:inherit}
.lang button.on{background:var(--blue);color:#fff;font-weight:800}

/* hero carousel */
.hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#eef5ff,#f7fbff)}
.slides{position:relative;min-height:440px}
.slide{position:absolute;inset:0;display:flex;align-items:center;opacity:0;transition:opacity .6s;pointer-events:none}
.slide.on{opacity:1;pointer-events:auto}
.slide-in{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;width:100%}
.slide h1{font-size:42px;line-height:1.2;font-weight:900}
.slide h1 span{color:var(--blue)}
.slide p{color:var(--dim);font-size:17px;margin:14px 0 0;max-width:520px}
.slide img{border-radius:16px;box-shadow:0 18px 40px rgba(31,111,235,.14)}
.hero-dots{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.hero-dots button{width:10px;height:10px;border-radius:99px;border:none;background:#c3d6f2;cursor:pointer}
.hero-dots button.on{background:var(--blue)}
.cta{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--blue);color:#fff;font-weight:700;padding:12px 24px;border-radius:8px;font-size:15px;border:none;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--blue-d)}
.btn.ghost{background:#fff;color:var(--blue);border:1px solid var(--blue)}
.btn.small{padding:7px 14px;font-size:13px}
.btn.block{width:100%}

/* sections */
.section{padding:56px 0}
.bg-alt{background:var(--bg2)}
.label{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:2px;text-transform:uppercase;margin-bottom:6px}
.sec-title{font-size:28px;font-weight:900;margin-bottom:8px}
.sec-sub{color:var(--dim);margin-bottom:24px;max-width:720px}
.center{text-align:center}
.center .sec-sub{margin-inline:auto}

/* adv */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.adv-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 6px 18px rgba(31,111,235,.06)}
.adv-card .num{width:44px;height:44px;border-radius:10px;background:var(--blue-l);color:var(--blue);font-weight:900;font-size:20px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.adv-card h3{font-size:18px;margin-bottom:6px}
.adv-card p{color:var(--dim);font-size:14px}

/* category tiles */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px}
.cat-tile{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;text-align:center;transition:all .15s}
.cat-tile:hover{border-color:var(--blue);box-shadow:0 8px 20px rgba(31,111,235,.12);transform:translateY(-2px)}
.cat-tile .ico{font-size:30px}
.cat-tile b{display:block;margin-top:8px;font-size:15px}

/* why + testi */
.why-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;max-width:760px}
.why-list li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px;color:var(--dim);font-size:14.5px}
.why-list li::before{content:"✓ ";color:var(--blue);font-weight:900}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.testi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:0 6px 16px rgba(31,111,235,.05)}
.testi .qt{color:var(--text);font-size:14.5px;min-height:76px}
.testi b{display:block;margin-top:10px;color:var(--blue)}
.testi span{color:var(--dim2);font-size:13px}

/* quote form */
.quote-band{background:linear-gradient(120deg,#eaf3ff,#f7fbff);border-top:1px solid var(--line)}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.form-card,.info-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 8px 22px rgba(31,111,235,.07)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{display:block;margin-bottom:10px;color:var(--dim);font-size:13px}
input,select,textarea{width:100%;margin-top:5px;background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--text);padding:10px 12px;font-size:14px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(31,111,235,.12)}
.tiny{color:var(--dim2);font-size:12.5px;margin-top:8px}
.attach-note{display:flex;gap:8px;align-items:center;background:var(--blue-xl);border:1px dashed var(--blue);color:var(--blue-d);border-radius:8px;padding:10px 12px;font-size:13px;margin-bottom:12px}

/* products page */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 22px}
.chip{cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--dim);padding:8px 18px;border-radius:99px;font-size:14px;font-family:inherit}
.chip.on{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:800}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:all .15s}
.pcard:hover{box-shadow:0 14px 30px rgba(31,111,235,.12);transform:translateY(-3px)}
.pthumb{position:relative;aspect-ratio:1/1;background:#f2f7ff;cursor:zoom-in}
.pthumb img{width:100%;height:100%;object-fit:cover}
.pbody{padding:14px 16px 12px}
.pbody h3{font-size:16.5px}
.pbody p{color:var(--dim);font-size:13px;margin:5px 0 8px;min-height:36px}
.specs{display:flex;gap:14px;font-size:12.5px;color:var(--dim2);border-top:1px solid var(--line);padding-top:8px}
.specs b{color:var(--text)}
.pfoot{padding:10px 16px 16px;margin-top:auto}
.lightbox{position:fixed;inset:0;background:rgba(20,45,80,.9);z-index:120;display:none;align-items:center;justify-content:center;padding:20px}
.lightbox.open{display:flex}
.lb-box{background:#fff;border-radius:14px;max-width:760px;width:100%;padding:16px;position:relative}
.lb-close{position:absolute;top:8px;right:14px;font-size:26px;background:none;border:none;color:var(--dim);cursor:pointer}
.lb-stage img{width:100%;max-height:60vh;object-fit:contain;border-radius:10px;background:#f2f7ff}
.lb-head{display:flex;justify-content:space-between;align-items:center;padding:0 4px 10px}
.lb-dots{display:flex;justify-content:center;gap:8px;margin-top:12px}
.lb-dot{width:9px;height:9px;border-radius:99px;background:#d5e2f5;cursor:pointer}
.lb-dot.on{background:var(--blue)}
.lb-prev,.lb-next{position:absolute;top:50%;transform:translateY(-50%);background:#fff;border:1px solid var(--line);font-size:26px;width:42px;height:54px;border-radius:8px;cursor:pointer;color:var(--text)}
.lb-prev{left:-6px}.lb-next{right:-6px}

/* about page */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.about-media img{border-radius:14px;box-shadow:0 14px 30px rgba(31,111,235,.1)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.tl{background:#fff;border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:10px;padding:14px}
.tl b{display:block;color:var(--blue);font-size:18px}
.tl span{color:var(--dim);font-size:13px}
.qc-grid,.cert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.qc-item,.cert-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center}
.qc-item .n{width:36px;height:36px;margin:0 auto 8px;border-radius:50%;background:var(--blue-l);color:var(--blue);font-weight:900;display:flex;align-items:center;justify-content:center}
.cert-item b{color:var(--blue)}

/* contact page */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.map-wrap{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:10px}
.map-wrap iframe{width:100%;height:260px;border:0;display:block}
.chat-card{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;margin-top:12px}
.chat-card .wa{width:46px;height:46px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px}
.promise{display:inline-flex;gap:8px;align-items:center;background:#e6f7ee;color:#148a4d;border-radius:8px;padding:8px 14px;font-weight:700;font-size:14px}

/* footer */
.footer{background:#0f2a4a;color:#c6d6ea;margin-top:40px;padding:44px 0 0}
.footer .logo{color:#fff}
.footer .logo span{color:#9cc4ff}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1.2fr 1.2fr;gap:28px;padding-bottom:26px}
.fcol{display:flex;flex-direction:column;gap:9px}
.fcol h4{color:#fff;font-size:15px;margin-bottom:4px}
.fcol a{color:#c6d6ea;font-size:14px}
.fcol a:hover{color:#fff}
.copy{border-top:1px solid rgba(255,255,255,.12);padding:16px 20px;color:#8ba5c2;font-size:13px}

/* cookie */
.cookie{position:fixed;left:14px;right:14px;bottom:14px;z-index:130;background:#0f2a4a;color:#e8f0fb;border-radius:12px;padding:16px 18px;display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;box-shadow:0 12px 30px rgba(0,0,0,.25);max-width:900px;margin:0 auto}
.cookie b{color:#fff}
.cookie p{font-size:13px;color:#c6d6ea;margin:2px 0}
.cookie a{color:#9cc4ff;text-decoration:underline;font-size:13px}
.cookie-btns{display:flex;gap:10px}

/* whatsapp float */
.wa-float{position:fixed;right:20px;bottom:20px;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;color:#fff;font-size:28px;box-shadow:0 10px 24px rgba(37,211,102,.4);z-index:110}
.wa-float:hover{transform:scale(1.06)}

/* page hero small */
.page-hero{background:linear-gradient(120deg,#eaf3ff,#f7fbff);padding:44px 0 34px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:34px;font-weight:900}
.page-hero p{color:var(--dim);margin-top:6px}

/* privacy */
.privacy h2{font-size:20px;margin:22px 0 8px}
.privacy p{color:var(--dim);margin-bottom:10px}

/* RTL */
html[dir="rtl"] body{text-align:right}
html[dir="rtl"] .why-list li::before{margin-left:6px}

/* responsive */
@media(max-width:920px){
  .slide-in,.quote-grid,.contact-grid,.about-grid{grid-template-columns:1fr}
  .adv-grid,.testi-grid{grid-template-columns:1fr}
  .why-list{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav .links{display:none}
}
@media(max-width:600px){
  .slide h1{font-size:30px}
  .f-row{grid-template-columns:1fr}
  .timeline,.foot-grid{grid-template-columns:1fr}
}