:root{
  --b100:#d9e8ff;--b200:#bcd6ff;--b300:#8ebbff;--b400:#5896ff;--b500:#3171f0;--b600:#1b55d6;--b700:#1643ad;--b800:#163a8c;--b900:#0f2a63;
  --bg:#05070f;--bg2:#090d1a;--bg3:#0d1222;--line:rgba(142,187,255,.12);--line2:rgba(142,187,255,.22);
  --txt:#e8edf7;--mut:rgba(232,237,247,.55);--mut2:rgba(232,237,247,.38);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--txt);-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{max-width:1280px;margin:0 auto;padding:0 40px}
a{text-decoration:none;color:inherit}
img{max-width:100%}
::selection{background:rgba(49,113,240,.4)}

/* ================= nav ================= */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(5,7,15,.72);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;align-items:center;gap:13px}
.logo-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--b400),var(--b700));display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px;color:#fff;box-shadow:0 0 30px rgba(49,113,240,.5);flex-shrink:0}
.logo-name{font-weight:800;font-size:14px;letter-spacing:.14em;color:#fff}
.logo-sub{font-size:9px;letter-spacing:.26em;color:var(--b300);font-weight:400}
.nav-links{display:flex;gap:34px;align-items:center}
.nav-links a{color:rgba(232,237,247,.62);font-size:13.5px;font-weight:500;letter-spacing:.04em;transition:.25s;position:relative}
.nav-links a:hover,.nav-links a.on{color:#fff}
.nav-links a.on::after{content:'';position:absolute;left:0;right:0;bottom:-8px;height:2px;background:linear-gradient(90deg,var(--b400),var(--b600));border-radius:2px}
.btn-quote{border:1px solid rgba(88,150,255,.5);color:#fff!important;padding:11px 26px;border-radius:100px;font-weight:600!important;background:linear-gradient(135deg,rgba(49,113,240,.25),rgba(22,67,173,.15));transition:.3s;white-space:nowrap}
.btn-quote:hover{box-shadow:0 0 24px rgba(49,113,240,.45);transform:translateY(-1px)}
.burger{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:6px}

/* ================= hero (home) ================= */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:150px 0 90px;overflow:hidden}
.glow{position:absolute;border-radius:50%;filter:blur(110px);pointer-events:none}
.g1{width:720px;height:720px;background:rgba(27,85,214,.28);top:-220px;right:-160px}
.g2{width:560px;height:560px;background:rgba(22,67,173,.22);bottom:-240px;left:-150px}
.g3{width:420px;height:420px;background:rgba(88,150,255,.12);top:35%;left:38%}
.hero-in{position:relative;text-align:center;width:100%}
.eyebrow{font-size:12px;letter-spacing:.42em;color:var(--b300);font-weight:600}
h1{font-size:76px;font-weight:900;line-height:1.06;letter-spacing:-.03em;margin:30px auto 26px;max-width:960px;color:#fff}
h1 .grad{background:linear-gradient(110deg,#fff 5%,var(--b300) 50%,var(--b500) 90%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--mut);font-size:17px;line-height:1.85;max-width:660px;margin:0 auto;font-weight:300}
.cta{display:flex;gap:18px;justify-content:center;margin-top:46px;flex-wrap:wrap}
.btn-p{background:linear-gradient(135deg,var(--b500),var(--b700));color:#fff;padding:17px 42px;border-radius:100px;font-weight:700;font-size:15px;box-shadow:0 10px 40px rgba(27,85,214,.5);transition:.35s;display:inline-block}
.btn-p:hover{transform:translateY(-3px);box-shadow:0 18px 55px rgba(27,85,214,.7)}
.btn-s{color:rgba(232,237,247,.85);padding:17px 42px;border-radius:100px;font-weight:600;font-size:15px;border:1px solid rgba(232,237,247,.22);transition:.3s;display:inline-block}
.btn-s:hover{border-color:var(--b400);color:#fff}
.stats{display:flex;justify-content:center;gap:0;margin-top:96px;flex-wrap:wrap}
.stat-w{padding:0 52px;position:relative}
.stat-w+.stat-w::before{content:'';position:absolute;left:0;top:12px;bottom:12px;width:1px;background:linear-gradient(180deg,transparent,var(--line2),transparent)}
.stat-w b{display:block;font-size:46px;font-weight:200;letter-spacing:-.02em;color:#fff;line-height:1.1}
.stat-w b em{font-style:normal;background:linear-gradient(120deg,var(--b300),var(--b500));-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.stat-w span{font-size:11px;letter-spacing:.28em;color:var(--mut2)}

/* ================= sections ================= */
.section{padding:110px 0;position:relative}
.bg2{background:var(--bg2)}
.hr-glow::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:60%;height:1px;background:linear-gradient(90deg,transparent,rgba(88,150,255,.4),transparent)}
.sec-head{text-align:center;margin-bottom:70px}
.sec-tag{font-size:11px;font-weight:600;letter-spacing:.4em;color:var(--b400)}
.sec-head h2{font-size:42px;font-weight:800;letter-spacing:-.02em;margin:16px 0 14px;color:#fff}
.sec-head p{color:var(--mut);max-width:600px;margin:0 auto;line-height:1.8;font-weight:300;font-size:15px}

/* category cards (home) */
.c-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.c-card{border:1px solid var(--line);border-radius:20px;padding:28px 24px;background:rgba(255,255,255,.015);transition:.4s;position:relative;overflow:hidden;display:block}
.c-card::before{content:'';position:absolute;inset:0;background:radial-gradient(280px 180px at 50% 0%,rgba(49,113,240,.22),transparent);opacity:0;transition:.4s}
.c-card:hover{border-color:rgba(88,150,255,.45);transform:translateY(-6px);box-shadow:0 24px 60px rgba(3,6,18,.7)}
.c-card:hover::before{opacity:1}
.c-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,rgba(49,113,240,.3),rgba(22,67,173,.15));border:1px solid rgba(88,150,255,.35);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--b300);margin-bottom:20px}
.c-card h3{font-size:17px;font-weight:700;color:#fff;position:relative}
.c-card h3 .cn{display:block;font-size:12px;color:var(--mut2);font-weight:400;margin-top:5px}
.c-card small{display:block;color:var(--mut);font-size:12.5px;margin-top:12px;line-height:1.65;font-weight:300;position:relative}
.c-count{position:absolute;top:20px;right:20px;font-size:11px;font-weight:700;color:var(--b300);letter-spacing:.1em}
.c-new{position:absolute;top:18px;right:18px;border:1px solid rgba(88,150,255,.6);color:var(--b300);font-size:9.5px;font-weight:700;letter-spacing:.14em;padding:4px 10px;border-radius:100px}

/* featured product row (home) */
.f-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.p-card{border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.015);transition:.4s;overflow:hidden;display:block;position:relative}
.p-card:hover{border-color:rgba(88,150,255,.45);transform:translateY(-6px);box-shadow:0 24px 60px rgba(3,6,18,.7)}
.p-img{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:#fff}
.p-img img{width:100%;height:100%;object-fit:cover}
.p-body{padding:20px 22px 24px}
.p-series{font-size:10.5px;font-weight:700;letter-spacing:.18em;color:var(--b400)}
.p-body h3{font-size:16px;font-weight:700;color:#fff;margin-top:8px;line-height:1.4}
.p-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.chip{font-size:10.5px;font-weight:600;color:rgba(232,237,247,.75);border:1px solid var(--line2);border-radius:100px;padding:4px 10px;background:rgba(49,113,240,.07)}
.p-new{position:absolute;top:14px;left:14px;z-index:3;border:1px solid rgba(88,150,255,.7);color:var(--b300);font-size:9.5px;font-weight:700;letter-spacing:.14em;padding:4px 11px;border-radius:100px;background:rgba(5,7,15,.65);backdrop-filter:blur(4px)}

/* process */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step}
.step{border:1px solid var(--line);border-radius:18px;padding:28px 22px;background:rgba(255,255,255,.015);transition:.35s;position:relative}
.step:hover{border-color:rgba(88,150,255,.4);transform:translateY(-4px)}
.step-num{font-size:12px;font-weight:800;color:var(--b400);letter-spacing:.2em}
.step h3{font-size:16px;font-weight:700;color:#fff;margin:14px 0 10px}
.step p{font-size:12.5px;color:var(--mut);line-height:1.7;font-weight:300}

/* page hero (inner pages) */
.page-hero{position:relative;padding:170px 0 80px;overflow:hidden;text-align:center}
.page-hero h1{font-size:52px;margin:18px 0 16px}
.crumbs{font-size:12.5px;color:var(--mut2);letter-spacing:.08em}
.crumbs a{color:var(--b300)}

/* filter bar */
.fbar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:54px}
.fbtn{border:1px solid var(--line2);color:var(--mut);background:rgba(255,255,255,.02);padding:11px 24px;border-radius:100px;font-size:13px;font-weight:600;cursor:pointer;transition:.3s;font-family:inherit}
.fbtn:hover{color:#fff;border-color:var(--b400)}
.fbtn.on{background:linear-gradient(135deg,var(--b500),var(--b700));border-color:transparent;color:#fff;box-shadow:0 6px 22px rgba(27,85,214,.4)}
.p-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}

/* product detail */
.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.pd-img{background:#fff;border-radius:24px;overflow:hidden;position:sticky;top:110px}
.pd-img img{width:100%;display:block}
.pd-series{font-size:11px;font-weight:700;letter-spacing:.28em;color:var(--b400)}
.pd-title{font-size:34px;font-weight:800;letter-spacing:-.02em;color:#fff;margin:14px 0 6px;line-height:1.25}
.pd-cn{color:var(--mut);font-size:15px;margin-bottom:24px}
.pd-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.pd-chips .chip{font-size:11.5px;padding:6px 14px}
.spec-box{border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-bottom:22px;background:rgba(255,255,255,.015)}
.spec-h{padding:14px 22px;font-size:12px;font-weight:800;letter-spacing:.22em;color:var(--b300);background:linear-gradient(90deg,rgba(27,85,214,.16),transparent);border-bottom:1px solid var(--line)}
.spec-row{display:grid;grid-template-columns:200px 1fr;border-bottom:1px solid var(--line)}
.spec-row:last-child{border-bottom:none}
.spec-k{padding:13px 22px;font-size:12.5px;color:var(--mut);border-right:1px solid var(--line);font-weight:500}
.spec-k small{display:block;font-size:10.5px;color:var(--mut2);margin-top:2px}
.spec-v{padding:13px 22px;font-size:13px;color:var(--txt);line-height:1.65}
.spec-note{padding:13px 22px;font-size:13px;color:var(--txt);line-height:1.7;grid-column:1/-1;border-bottom:1px solid var(--line)}
.pd-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}

/* about */
.tl{position:relative;margin-top:20px}
.tl::before{content:'';position:absolute;left:120px;top:0;bottom:0;width:1px;background:linear-gradient(180deg,transparent,var(--line2) 8%,var(--line2) 92%,transparent)}
.tl-item{display:grid;grid-template-columns:90px 60px 1fr;gap:0;padding:34px 0;align-items:start}
.tl-year{font-size:26px;font-weight:800;background:linear-gradient(120deg,var(--b300),var(--b500));-webkit-background-clip:text;background-clip:text;color:transparent;text-align:right}
.tl-dot{position:relative}
.tl-dot::before{content:'';position:absolute;left:23px;top:8px;width:13px;height:13px;border-radius:50%;background:linear-gradient(135deg,var(--b400),var(--b700));box-shadow:0 0 18px rgba(49,113,240,.8)}
.tl-body h3{font-size:19px;font-weight:700;color:#fff;margin-bottom:8px}
.tl-body p{color:var(--mut);font-size:14px;line-height:1.8;max-width:640px;font-weight:300}

/* contact */
.ct-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.ct-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.ct-item:last-child{border-bottom:none}
.ct-ic{width:48px;height:48px;border-radius:13px;background:linear-gradient(135deg,rgba(49,113,240,.3),rgba(22,67,173,.15));border:1px solid rgba(88,150,255,.35);display:flex;align-items:center;justify-content:center;font-size:19px;color:var(--b300);flex-shrink:0}
.ct-item b{display:block;color:#fff;font-size:15px;margin-bottom:5px}
.ct-item span{color:var(--mut);font-size:13.5px;line-height:1.7}
.form{background:var(--bg3);border:1px solid var(--line);border-radius:22px;padding:38px}
.form h3{font-size:22px;font-weight:800;color:#fff;margin-bottom:6px}
.form>p{color:var(--mut);font-size:13.5px;margin-bottom:26px}
.fld{margin-bottom:16px}
.fld input,.fld textarea,.fld select{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line2);border-radius:12px;padding:14px 18px;color:#fff;font-size:14px;font-family:inherit;outline:none;transition:.3s}
.fld input:focus,.fld textarea:focus,.fld select:focus{border-color:var(--b400);box-shadow:0 0 0 3px rgba(49,113,240,.15)}
.fld textarea{resize:vertical;min-height:110px}
.fld select option{background:var(--bg3)}
.form .btn-p{width:100%;border:none;cursor:pointer;font-family:inherit;font-size:15px}
.form-ok{display:none;text-align:center;padding:40px 20px}
.form-ok .big{font-size:44px;margin-bottom:16px}
.form-ok b{font-size:19px;color:#fff;display:block;margin-bottom:8px}
.form-ok p{color:var(--mut);font-size:13.5px}

/* footer */
footer{border-top:1px solid var(--line);background:rgba(0,0,0,.3);padding:64px 0 0}
.f-grid2{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:48px}
.f-col h4{font-size:12px;font-weight:800;letter-spacing:.24em;color:#fff;margin-bottom:20px}
.f-col a,.f-col span{display:block;color:var(--mut);font-size:13px;line-height:2.1;transition:.2s}
.f-col a:hover{color:var(--b300)}
.f-desc{color:var(--mut);font-size:13px;line-height:1.85;margin-top:16px;font-weight:300;max-width:300px}
.f-bar{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;color:var(--mut2);font-size:12.5px;flex-wrap:wrap;gap:10px}

/* whatsapp float */
.wa-fab{position:fixed;right:26px;bottom:26px;z-index:90;width:56px;height:56px;border-radius:50%;background:#22c55e;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 30px rgba(34,197,94,.45);transition:.3s}
.wa-fab:hover{transform:scale(1.1)}
.wa-fab svg{width:30px;height:30px;fill:#fff}

@media(max-width:1024px){.c-grid,.f-grid,.p-grid,.rel-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.pd-grid,.ct-grid{grid-template-columns:1fr}.pd-img{position:static}.f-grid2{grid-template-columns:1fr 1fr}}
@media(max-width:720px){
  .nav-links{display:none;position:absolute;top:78px;left:0;right:0;background:rgba(5,7,15,.97);flex-direction:column;padding:22px 40px 30px;gap:18px;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .burger{display:block}
  h1{font-size:42px}.page-hero h1{font-size:34px}
  .wrap{padding:0 22px}
  .stat-w{padding:0 26px}
  .tl::before{left:106px}.tl-item{grid-template-columns:76px 52px 1fr}.tl-year{font-size:20px}
}

/* real logo image */
.logo-img{width:42px;height:42px;object-fit:contain;border-radius:10px;flex-shrink:0}