:root{
  --bg:#f7f7f5;
  --surface:#ffffff;
  --ink:#111418;
  --muted:#62686f;
  --line:#dfe2e5;
  --accent:#2f4858;
  --soft:#eef1f2;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,247,245,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,226,229,.9)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.12em;font-size:17px;white-space:nowrap}.brand-logo{width:40px;height:40px;object-fit:contain;flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:28px;font-size:14px}
.nav-links a{color:#32373d}.nav-links a:hover{color:#000}
.nav-links .btn{color:#fff;background:var(--ink);border-color:var(--ink)}
.nav-links .btn:hover{color:#fff;background:#24292e;opacity:1}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border:1px solid var(--ink);background:var(--ink);color:#fff;font-weight:650;font-size:14px;transition:.2s ease}
.btn:hover{transform:translateY(-1px);opacity:.92}
.btn.secondary{background:transparent;color:var(--ink);border-color:#bfc5ca}
.hero{padding:92px 0 70px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:18px}
h1{font-size:clamp(48px,7vw,88px);line-height:.98;letter-spacing:-.055em;margin:0 0 28px;max-width:820px}
.lead{font-size:19px;color:var(--muted);max-width:680px;margin:0 0 34px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-logo-panel{min-height:470px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;padding:30px;overflow:hidden}
.hero-logo{width:min(100%,500px);height:auto;max-height:430px;object-fit:contain}
.metal-art{min-height:470px;border:1px solid var(--line);background:linear-gradient(135deg,#f9faf9 0%,#d8dddf 26%,#fafafa 48%,#b5bec2 72%,#f7f7f7 100%);position:relative;overflow:hidden}
.metal-art:before,.metal-art:after{content:"";position:absolute;left:12%;right:12%;height:17%;border:1px solid rgba(0,0,0,.14);background:linear-gradient(90deg,rgba(255,255,255,.65),rgba(75,87,92,.18),rgba(255,255,255,.9));transform:skewY(-10deg)}
.metal-art:before{top:27%}.metal-art:after{top:54%;left:22%;right:3%}
.metal-label{position:absolute;bottom:26px;left:26px;right:26px;display:flex;justify-content:space-between;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#2e3438}
.section{padding:88px 0;border-top:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:34px}
.section-head h2{font-size:clamp(34px,4vw,52px);letter-spacing:-.04em;line-height:1.05;margin:0}
.section-head p{max-width:560px;color:var(--muted);margin:0}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.product-card{background:var(--surface);border:1px solid var(--line);padding:30px;min-height:310px;display:flex;flex-direction:column;transition:.2s ease}
.product-card:hover{transform:translateY(-3px);border-color:#bcc3c8}
.product-number{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:50px}
.product-card h3{font-size:29px;line-height:1.05;letter-spacing:-.03em;margin:0 0 16px}
.product-card p{color:var(--muted);margin:0 0 24px}
.card-link{margin-top:auto;font-weight:700;font-size:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.split h2{font-size:clamp(36px,4vw,54px);letter-spacing:-.04em;line-height:1.05;margin:0}
.split p{color:var(--muted);font-size:17px;margin-top:0}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:var(--surface)}
.kpi{padding:28px;border-right:1px solid var(--line)}.kpi:last-child{border-right:0}
.kpi strong{display:block;font-size:22px;margin-bottom:4px}.kpi span{font-size:13px;color:var(--muted)}
.cta{background:#171a1d;color:#fff;padding:72px 0}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:40px}
.cta h2{font-size:clamp(36px,5vw,60px);letter-spacing:-.045em;line-height:1;margin:0 0 12px}
.cta p{color:#c8cdd1;margin:0}.cta .btn{background:#fff;color:#111;border-color:#fff}
.footer{padding:38px 0;border-top:1px solid #303438;background:#171a1d;color:#c5c9cd;font-size:13px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer strong{color:#fff}.footer a:hover{color:#fff}
.page-hero{padding:72px 0 50px}.page-hero h1{font-size:clamp(48px,6vw,78px)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px}
.about-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:center}
.about-hero-copy h1{margin-bottom:0}
.about-logo-wrap{display:flex;align-items:center;justify-content:center;min-height:230px}
.about-logo{width:min(100%,250px);height:auto;object-fit:contain}
.detail-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:64px;align-items:start}
.detail-panel{background:var(--surface);border:1px solid var(--line);padding:34px}
.detail-panel h2{font-size:34px;letter-spacing:-.03em;margin:0 0 16px}.detail-panel h3{font-size:18px;margin:30px 0 10px}
.specs{width:100%;border-collapse:collapse;margin-top:18px;font-size:14px}
.specs th,.specs td{text-align:left;padding:14px 10px;border-top:1px solid var(--line);vertical-align:top}.specs th{width:34%;font-weight:650}
.note{font-size:13px;color:var(--muted);margin-top:18px}
.list{padding-left:18px;color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.contact-card{background:#fff;border:1px solid var(--line);padding:28px}.contact-card h3{margin:0 0 10px;font-size:18px}.contact-card p{margin:0;color:var(--muted)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form .full{grid-column:1/-1}.form input,.form textarea,.form select{width:100%;border:1px solid #cfd4d8;background:#fff;padding:14px 15px;font:inherit;color:var(--ink)}.form textarea{min-height:140px;resize:vertical}
.notice{background:var(--soft);border:1px solid var(--line);padding:16px 18px;color:#4c545a;font-size:13px}
.mobile-toggle{display:none;background:none;border:0;font-size:24px}
@media(max-width:900px){
  .hero-grid,.split,.detail-layout,.contact-grid,.about-hero-grid{grid-template-columns:1fr}.hero{padding-top:64px}.hero-logo-panel{min-height:330px;padding:18px}.brand-logo{width:34px;height:34px}.about-logo-wrap{min-height:0;justify-content:flex-start}.about-logo{width:180px}.product-grid{grid-template-columns:1fr}.section-head,.cta-inner{align-items:flex-start;flex-direction:column}.kpis{grid-template-columns:1fr}.kpi{border-right:0;border-bottom:1px solid var(--line)}.kpi:last-child{border-bottom:0}.footer-grid{grid-template-columns:1fr}.mobile-toggle{display:block}.nav-links{display:none;position:absolute;left:20px;right:20px;top:68px;background:#fff;border:1px solid var(--line);padding:18px;flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.form{grid-template-columns:1fr}.form .full{grid-column:auto}
}

.success-message{background:#f2f6f2;border:1px solid #c8d7c8;padding:14px 16px;color:#263c2b;font-size:14px;margin:0 0 18px}
.form-note{margin:12px 0 0;color:var(--muted);font-size:12px;line-height:1.5}