:root{
    --bg:#f6f4f0;--surface:#ffffff;--ink:#1c1b19;--muted:#6b675f;
    --line:#e5e1d8;--accent:#c2551f;--accent-dark:#9c3f13;--steel:#3b4a56;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Manrope',sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}

header{position:sticky;top:0;z-index:100;background:rgba(246,244,240,0.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-0.02em;}
.logo i{color:var(--accent);font-size:22px;}
.nav-links{display:flex;gap:32px;list-style:none;transition:all .3s;}
.nav-links a{font-weight:600;font-size:14.5px;color:var(--ink);opacity:0.75;transition:opacity .2s;}
.nav-links a:hover{opacity:1;color:var(--accent);}
.nav-cta{background:var(--accent);color:#fff;padding:10px 20px;border-radius:8px;font-weight:700;font-size:14px;transition:background .2s, transform .2s;}
.nav-cta:hover{background:var(--accent-dark);transform:translateY(-1px);}
.burger{display:none;background:none;border:none;font-size:22px;color:var(--ink);cursor:pointer;z-index:200;}

.hero{padding:80px 0 60px;display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:#efe9dd;color:var(--steel);padding:7px 14px;border-radius:100px;font-size:13px;font-weight:700;margin-bottom:22px;}
.hero-tag i{color:var(--accent);}
.hero h1{font-size:48px;line-height:1.12;font-weight:800;letter-spacing:-0.02em;margin-bottom:20px;}
.hero h1 span{color:var(--accent);}
.hero p{color:var(--muted);font-size:17px;max-width:480px;margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-primary{background:var(--ink);color:#fff;padding:14px 26px;border-radius:10px;font-weight:700;font-size:15px;transition:background .2s, transform .2s;display:inline-flex;align-items:center;gap:8px;}
.btn-primary:hover{background:var(--accent);transform:translateY(-2px);}
.btn-ghost{border:1.5px solid var(--line);padding:13px 24px;border-radius:10px;font-weight:700;font-size:15px;color:var(--ink);transition:border-color .2s, color .2s;display:inline-flex;align-items:center;gap:8px;}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.hero-stats{display:flex;gap:36px;margin-top:40px;flex-wrap:wrap;}
.hero-stats div b{display:block;font-size:26px;font-weight:800;}
.hero-stats div span{font-size:13px;color:var(--muted);}
.hero-visual{background:linear-gradient(160deg,#3b4a56,#252d34);border-radius:20px;padding:40px;min-height:380px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;}
.pipe-ring{width:220px;height:220px;border-radius:50%;border:22px solid #55636e;position:relative;}
.pipe-ring::after{content:'';position:absolute;inset:22px;border-radius:50%;border:6px solid var(--accent);}
.hero-visual .badge{position:absolute;bottom:26px;left:26px;right:26px;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);border-radius:12px;padding:16px 18px;color:#fff;display:flex;align-items:center;gap:12px;backdrop-filter:blur(6px);}
.hero-visual .badge i{color:var(--accent);font-size:20px;}
.hero-visual .badge b{display:block;font-size:14px;}
.hero-visual .badge span{font-size:12.5px;color:#c8cdd1;}

.section{padding:80px 0;}
.section-head{max-width:640px;margin:0 auto 44px;text-align:center;}
.eyebrow{color:var(--accent);font-weight:700;font-size:13px;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:10px;display:block;}
.section-head h2{font-size:34px;font-weight:800;letter-spacing:-0.02em;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;}

.cat-tabs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:40px;}
.cat-tab{padding:10px 20px;border-radius:100px;border:1.5px solid var(--line);background:var(--surface);font-weight:600;font-size:14px;cursor:pointer;transition:all .2s;color:var(--ink);}
.cat-tab i{margin-right:7px;color:var(--muted);}
.cat-tab.active{background:var(--ink);color:#fff;border-color:var(--ink);}
.cat-tab.active i{color:var(--accent);}

.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.product-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;transition:transform .25s, box-shadow .25s;}
.product-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(20,20,15,0.07);}
.product-icon{width:52px;height:52px;border-radius:12px;background:#f1ede4;display:flex;align-items:center;justify-content:center;margin-bottom:18px;}
.product-icon i{color:var(--accent);font-size:22px;}
.product-card h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.product-card .cat-label{font-size:12.5px;color:var(--muted);margin-bottom:14px;display:block;}
.product-card .desc{color:var(--muted);font-size:14px;margin-bottom:14px;}

.specs{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;}
.spec-item{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px;flex:1;min-width:70px;text-align:center;}
.spec-label{display:block;font-size:11px;color:var(--muted);margin-bottom:2px;}
.spec-value{display:block;font-size:14px;font-weight:700;color:var(--ink);}

.product-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:16px;}
.price{font-size:19px;font-weight:800;color:var(--ink);}
.price span{font-size:12.5px;color:var(--muted);font-weight:500;}
.order-btn{width:38px;height:38px;border-radius:10px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;transition:background .2s;}
.order-btn:hover{background:var(--accent);}
.hidden{display:none !important;}

.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.why-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px 22px;}
.why-card i{color:var(--accent);font-size:24px;margin-bottom:16px;}
.why-card h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.why-card p{font-size:14px;color:var(--muted);}

.about{background:var(--steel);color:#fff;border-radius:24px;padding:60px;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;}
.about h2{font-size:30px;font-weight:800;margin-bottom:16px;letter-spacing:-0.02em;}
.about p{color:#c9ced2;font-size:15.5px;margin-bottom:22px;}
.about-list{list-style:none;display:flex;flex-direction:column;gap:14px;}
.about-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#e5e8ea;}
.about-list i{color:var(--accent);margin-top:3px;}
.about-figures{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.fig{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);border-radius:14px;padding:22px;text-align:center;}
.fig b{display:block;font-size:30px;font-weight:800;color:var(--accent);}
.fig span{font-size:13px;color:#c9ced2;}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:30px;}
.contact-card h3{font-size:22px;font-weight:800;margin-bottom:8px;}
.contact-card>p{color:var(--muted);font-size:14.5px;margin-bottom:24px;}
.contact-line{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px;}
.contact-line i{width:38px;height:38px;border-radius:10px;background:#f1ede4;color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:15px;}
.contact-line b{display:block;font-size:14.5px;}
.contact-line span{font-size:13.5px;color:var(--muted);}
.form-group{margin-bottom:16px;}
.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;}
.form-group input, .form-group textarea, .form-group select{width:100%;padding:12px 14px;border-radius:10px;border:1.5px solid var(--line);font-family:inherit;font-size:14.5px;background:var(--bg);color:var(--ink);transition:border-color .2s;}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus{outline:none;border-color:var(--accent);}
.form-group textarea{resize:vertical;min-height:90px;}
.submit-btn{width:100%;background:var(--accent);color:#fff;padding:14px;border-radius:10px;border:none;font-weight:700;font-size:15px;cursor:pointer;transition:background .2s;display:flex;align-items:center;justify-content:center;gap:8px;}
.submit-btn:hover{background:var(--accent-dark);}
.success-msg{background:#eaf5ec;color:#2a7a3d;border-radius:10px;padding:14px 16px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:10px;margin-top:14px;}
.error-msg{background:#fbe9e7;color:#a83a1f;border-radius:10px;padding:14px 16px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:10px;margin-top:14px;}
.submit-btn:disabled{opacity:0.7;cursor:not-allowed;}

footer{border-top:1px solid var(--line);padding:40px 0;}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;}
.footer-inner .logo{font-size:17px;}
.footer-links{display:flex;gap:24px;list-style:none;}
.footer-links a{font-size:13.5px;color:var(--muted);transition:color .2s;}
.footer-links a:hover{color:var(--accent);}
.copyright{font-size:13px;color:var(--muted);}

@media(max-width:960px){
    .hero{grid-template-columns:1fr;gap:36px;padding:56px 0 44px;}
    .hero-visual{min-height:300px;}
    .products-grid{grid-template-columns:repeat(2,1fr);}
    .why-grid{grid-template-columns:repeat(2,1fr);}
    .about{grid-template-columns:1fr;padding:40px;gap:36px;}
    .contact-grid{grid-template-columns:1fr;}
    .nav-links{display:flex;flex-direction:column;position:fixed;top:0;right:0;height:100vh;width:76%;max-width:320px;background:var(--surface);padding:100px 32px 32px;gap:24px;transform:translateX(100%);box-shadow:-8px 0 24px rgba(0,0,0,0.08);}
    .nav-links.open{transform:translateX(0);}
    .nav-links a{font-size:16px;opacity:1;}
    .nav-cta{display:none;}
    .burger{display:block;}
    .section{padding:60px 0;}
    .section-head h2{font-size:28px;}
}
@media(max-width:768px){
    .why-grid{grid-template-columns:1fr 1fr;}
    .about-figures{gap:14px;}
    .fig{padding:16px;}
    .fig b{font-size:24px;}
}
@media(max-width:600px){
    .wrap{padding:0 18px;}
    header .logo{font-size:26px;gap:12px;}
    header .logo i{font-size:28px;}
    .hero{padding:44px 0 36px;}
    .hero h1{font-size:30px;}
    .hero p{font-size:15.5px;}
    .hero-tag{font-size:12px;padding:6px 12px;}
    .hero-actions{flex-direction:column;align-items:center;}
    .hero-actions .btn-primary, .hero-actions .btn-ghost{width:88%;max-width:320px;}
    .btn-primary, .btn-ghost{justify-content:center;}
    .hero-stats{gap:20px;}
    .hero-stats div b{font-size:22px;}
    .products-grid{grid-template-columns:1fr;}
    .why-grid{grid-template-columns:1fr;}
    .cat-tabs{gap:8px;}
    .cat-tab{padding:8px 14px;font-size:13px;}
    .about{padding:28px 20px;}
    .about h2{font-size:24px;}
    .about-figures{grid-template-columns:1fr 1fr;}
    .contact-card{padding:22px;}
    .footer-inner{flex-direction:column;text-align:center;}
    .footer-links{flex-wrap:wrap;justify-content:center;gap:14px;}
}
@media(max-width:400px){
    .hero-stats{flex-direction:column;gap:14px;}
    .about-figures{grid-template-columns:1fr;}
}