:root{
  --bg:#0b0e12;--bg2:#0f1318;--card:#171d26;--card2:#1e2633;
  --accent:#e8a020;--accent2:#f0b840;--accent-dim:rgba(232,160,32,0.12);
  --steel:#4a7fa5;--steel-dim:rgba(74,127,165,0.12);
  --green:#2ecc71;--red:#e74c3c;
  --text:#dde2ea;--text-muted:#7a8699;
  --border:rgba(255,255,255,0.06);--border-accent:rgba(232,160,32,0.25);
  --radius:12px;--radius-lg:18px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Vazirmatn',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{display:block}

/* ── NAV ── */
nav{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:0 5%;height:68px;background:rgba(11,14,18,0.93);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}
.logo-mark img{width:100%;height:100%;object-fit:contain}
.logo-text strong{display:block;font-size:0.93rem;font-weight:800}
.logo-text span{display:block;font-size:0.67rem;color:var(--text-muted);letter-spacing:1px}
.nav-links{display:flex;gap:24px;list-style:none;font-size:0.86rem;font-weight:500;color:var(--text-muted)}
.nav-links a{transition:color .2s}.nav-links a:hover,.nav-links li.active a{color:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:9px}
.nav-phone{font-size:0.79rem;color:var(--text-muted);display:flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:8px;padding:7px 12px;transition:all .2s}
.nav-phone:hover{border-color:var(--accent);color:var(--accent)}
.btn-primary{background:var(--accent);color:#0b0e12;font-family:'Vazirmatn',sans-serif;font-weight:700;font-size:0.86rem;padding:9px 18px;border-radius:8px;border:none;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:6px;box-shadow:0 4px 18px rgba(232,160,32,0.25)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 26px rgba(232,160,32,0.38)}
.btn-outline{background:transparent;color:var(--text);font-family:'Vazirmatn',sans-serif;font-weight:600;font-size:0.86rem;padding:9px 18px;border-radius:8px;border:1.5px solid rgba(255,255,255,0.12);cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:6px}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}

/* ── HERO ── */
.hero{min-height:100vh;padding:110px 5% 70px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;background:radial-gradient(ellipse 60% 50% at 80% 40%,rgba(232,160,32,0.06) 0%,transparent 60%),radial-gradient(ellipse 50% 60% at 20% 60%,rgba(74,127,165,0.05) 0%,transparent 60%)}
.hero-bg::before{content:'';position:absolute;right:-80px;top:50%;transform:translateY(-50%);width:500px;height:500px;background:conic-gradient(from 0deg,transparent 0deg 25deg,rgba(232,160,32,0.04) 25deg 30deg,transparent 30deg 55deg,rgba(232,160,32,0.04) 55deg 60deg,transparent 60deg 85deg,rgba(232,160,32,0.04) 85deg 90deg,transparent 90deg);border-radius:50%;animation:spin 40s linear infinite}
@keyframes spin{to{transform:translateY(-50%) rotate(360deg)}}
.hero-text{position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--accent-dim);border:1px solid var(--border-accent);border-radius:100px;padding:6px 16px;font-size:0.77rem;color:var(--accent);font-weight:600;margin-bottom:22px}
.badge-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero-text h1{font-size:clamp(1.8rem,3.5vw,3rem);font-weight:900;line-height:1.25;margin-bottom:18px}
.hero-text h1 .line2{color:var(--accent);display:block}
.hero-text p{color:var(--text-muted);font-size:0.93rem;max-width:400px;margin-bottom:34px;line-height:1.9}
.hero-ctas{display:flex;gap:12px;margin-bottom:42px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
.hstat{background:var(--card);padding:16px 18px;text-align:center}
.hstat .n{font-size:1.6rem;font-weight:800;color:var(--accent);display:block}
.hstat .l{font-size:0.71rem;color:var(--text-muted)}
.hero-visual{position:relative;z-index:1;display:flex;justify-content:center}
.bearing-graphic{width:320px;height:320px;position:relative;display:flex;align-items:center;justify-content:center}
.ring-outer{width:300px;height:300px;border-radius:50%;border:2px solid rgba(232,160,32,0.15);position:absolute;animation:spin-slow 20s linear infinite}
.ring-outer::before{content:'';position:absolute;width:12px;height:12px;background:var(--accent);border-radius:50%;top:-6px;left:50%;transform:translateX(-50%);box-shadow:0 0 12px var(--accent)}
.ring-mid{width:220px;height:220px;border-radius:50%;border:1.5px solid rgba(74,127,165,0.2);position:absolute;animation:spin-slow 14s linear infinite reverse}
.ring-inner{width:130px;height:130px;border-radius:50%;background:linear-gradient(135deg,var(--card),var(--card2));border:2px solid rgba(232,160,32,0.2);position:absolute;display:flex;align-items:center;justify-content:center;box-shadow:0 0 40px rgba(232,160,32,0.1),inset 0 0 30px rgba(0,0,0,0.4)}
.ring-inner h1{font-size:1.6rem;color:var(--accent);font-weight:900}
.balls{position:absolute;width:220px;height:220px;animation:spin-slow 14s linear infinite}
.ball{position:absolute;width:16px;height:16px;background:radial-gradient(circle at 35% 35%,#d4aa70,#604818);border-radius:50%;box-shadow:0 2px 8px rgba(0,0,0,0.6);top:calc(50% - 8px);left:calc(50% - 8px);transform-origin:center center}
.b1{transform:rotate(0deg) translateY(-102px)}.b2{transform:rotate(45deg) translateY(-102px)}.b3{transform:rotate(90deg) translateY(-102px)}.b4{transform:rotate(135deg) translateY(-102px)}
.b5{transform:rotate(180deg) translateY(-102px)}.b6{transform:rotate(225deg) translateY(-102px)}.b7{transform:rotate(270deg) translateY(-102px)}.b8{transform:rotate(315deg) translateY(-102px)}
@keyframes spin-slow{to{transform:rotate(360deg)}}

/* ── BRANDS ── */
.brands-strip{padding:24px 5%;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg2);display:flex;align-items:center;gap:20px;overflow:hidden;position:relative;z-index:1}
.brands-label{font-size:0.77rem;color:var(--text-muted);white-space:nowrap;padding-left:20px;border-left:1px solid var(--border);flex-shrink:0}
.brands-track{overflow:hidden;flex:1}
.brands-scroll{display:flex;gap:36px;align-items:center;animation:marquee 18s linear infinite;width:max-content}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.brand-tag{font-size:0.83rem;font-weight:700;color:var(--text-muted);letter-spacing:1px;opacity:.55;transition:opacity .2s}
.brand-tag:hover{opacity:1;color:var(--accent)}

/* ── SECTIONS ── */
section{padding:88px 5%;position:relative;z-index:1}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:0.71rem;color:var(--accent);font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.section-label::before{content:'';width:22px;height:2px;background:var(--accent);border-radius:1px}
.section-title{font-size:clamp(1.4rem,2.8vw,2rem);font-weight:800;margin-bottom:10px}
.section-sub{color:var(--text-muted);font-size:0.88rem;max-width:480px}

/* ── PRODUCTS ── */
.products-section{background:var(--bg2);padding:88px 0}
.products-section-inner{padding:0 5% 32px}
.products-header{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:8px}
.scroll-nav{display:flex;gap:8px}
.scroll-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--border-accent);background:var(--accent-dim);color:var(--accent);font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;line-height:1;font-family:inherit}
.scroll-btn:hover{background:var(--accent);color:#0b0e12}
.products-scroll-wrap{position:relative}
.products-scroll-wrap::before{content:'';position:absolute;top:0;right:0;bottom:0;width:80px;background:linear-gradient(to right,transparent,var(--bg2));pointer-events:none;z-index:2}
.products-scroll-wrap::after{content:'';position:absolute;top:0;left:0;bottom:0;width:80px;background:linear-gradient(to left,transparent,var(--bg2));pointer-events:none;z-index:2}
.products-track{display:flex;gap:14px;overflow-x:auto;scroll-behavior:smooth;padding:12px 5% 16px;scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch;will-change:scroll-position}
.products-track::-webkit-scrollbar{display:none}

/* ── PRODUCT CARD ── */
.product-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .25s,box-shadow .25s,transform .25s;cursor:pointer;flex:0 0 200px;min-width:200px;position:relative;contain:layout style paint}
.product-card:hover{border-color:var(--border-accent);transform:translateY(-4px);box-shadow:0 14px 30px rgba(0,0,0,0.5)}
.product-img{height:160px;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;background:var(--card2)}
.product-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;will-change:transform;display:block}
.product-img img.lazy{opacity:0;transition:opacity .3s ease,transform .35s ease}
.product-img img.loaded{opacity:1}
.product-img .skeleton{position:absolute;inset:0;background:linear-gradient(90deg,var(--card2) 25%,#232b38 50%,var(--card2) 75%);background-size:200% 100%;animation:shimmer 1.2s infinite;z-index:1}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.product-img img.loaded~.skeleton,.product-img img.loaded+.skeleton{display:none}
.product-card:hover .product-img img{transform:scale(1.06)}
.product-tag{position:absolute;top:8px;right:8px;font-size:0.6rem;font-weight:700;padding:2px 8px;border-radius:4px;color:#0b0e12;z-index:2}
.product-name{padding:12px 13px;font-size:0.83rem;font-weight:700;color:var(--text);line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ── STATS ── */
.stats-section{background:linear-gradient(135deg,#0e1420,#0b0f18);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:60px 5%}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border)}
.stat-box{background:var(--card);padding:36px 24px;text-align:center;transition:background .3s}
.stat-box:hover{background:var(--card2)}
.stat-icon-wrap{width:52px;height:52px;background:var(--accent-dim);border:1px solid var(--border-accent);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin:0 auto 14px}
.stat-num{font-size:2.3rem;font-weight:900;color:var(--accent);display:inline}
.stat-suffix{font-size:1.2rem;color:var(--accent2);font-weight:700}
.stat-label{font-size:0.79rem;color:var(--text-muted);margin-top:6px;display:block}

/* ── CATALOG ── */
.catalog-section{background:var(--bg)}
.catalog-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:38px;flex-wrap:wrap;gap:16px}
.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.catalog-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .3s}
.catalog-card:hover{border-color:var(--border-accent);transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,0.4)}
.catalog-thumb{height:155px;background:linear-gradient(135deg,var(--card2),var(--bg));display:flex;align-items:center;justify-content:center;position:relative;border-bottom:1px solid var(--border)}
.catalog-thumb .big-icon{font-size:3rem}
.cat-ext-badge{position:absolute;top:10px;right:10px;font-size:0.63rem;font-weight:700;padding:3px 8px;border-radius:4px}
.catalog-info{padding:14px}
.catalog-info h4{font-size:0.87rem;font-weight:700;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cat-desc{font-size:0.75rem;color:var(--text-muted);margin-bottom:12px}
.cat-actions{display:flex;gap:7px}
.cat-btn{flex:1;font-family:'Vazirmatn',sans-serif;font-size:0.74rem;font-weight:600;padding:8px;border-radius:7px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:4px}
.cat-btn.view{background:var(--accent-dim);color:var(--accent);border:1px solid var(--border-accent)}
.cat-btn.view:hover{background:var(--accent);color:#0b0e12}
.cat-btn.dl{background:var(--steel-dim);color:var(--steel);border:1px solid rgba(74,127,165,0.25)}
.cat-btn.dl:hover{background:var(--steel);color:#fff}

/* ── WHY ── */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:50px}
.why-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all .3s}
.why-card:hover{border-color:var(--border-accent);transform:translateY(-4px)}
.why-icon{width:50px;height:50px;border-radius:10px;background:var(--accent-dim);border:1px solid var(--border-accent);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:16px}
.why-card h3{font-size:0.93rem;font-weight:700;margin-bottom:8px}
.why-card p{font-size:0.79rem;color:var(--text-muted);line-height:1.8}

/* ── FAQ ── */
.faq-section{background:var(--bg2)}
.faq-list{margin-top:48px;display:flex;flex-direction:column;gap:10px;max-width:760px;margin-left:auto;margin-right:auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .3s}
.faq-item.open{border-color:var(--border-accent)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;cursor:pointer;font-weight:600;font-size:0.91rem;gap:16px;transition:color .2s}
.faq-q:hover{color:var(--accent)}
.faq-arrow{font-size:0.78rem;color:var(--text-muted);transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.open .faq-a{max-height:200px}
.faq-a p{padding:0 22px 18px;font-size:0.84rem;color:var(--text-muted);line-height:1.9}

/* ── CONTACT ── */
.contact-section{border-top:1px solid var(--border)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact-info h2{font-size:1.7rem;font-weight:800;margin-bottom:14px}
.contact-info p{color:var(--text-muted);font-size:0.87rem;margin-bottom:26px;line-height:1.9}
.contact-items{display:flex;flex-direction:column;gap:11px}
.contact-item{display:flex;align-items:center;gap:14px;padding:13px 16px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);transition:border-color .2s}
.contact-item:hover{border-color:var(--border-accent)}
.c-icon{width:38px;height:38px;border-radius:8px;background:var(--accent-dim);display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}
.c-label{font-size:0.69rem;color:var(--text-muted);margin-bottom:1px}
.c-val{font-size:0.86rem;font-weight:600}
.contact-form{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:30px}
.contact-form h3{font-size:1.03rem;font-weight:700;margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.form-group label{font-size:0.73rem;color:var(--text-muted);font-weight:600}
.form-group input,.form-group textarea,.form-group select{background:var(--bg);border:1.5px solid var(--border);border-radius:9px;padding:10px 13px;font-family:'Vazirmatn',sans-serif;font-size:0.85rem;color:var(--text);transition:border-color .2s;outline:none;width:100%}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent)}
.form-group textarea{resize:vertical;min-height:88px}
.form-group select option{background:var(--card)}
#formStatus{font-size:0.81rem;text-align:center;padding:8px;border-radius:8px;margin-top:10px;display:none}
#formStatus.success{background:rgba(46,204,113,0.1);color:var(--green);border:1px solid rgba(46,204,113,0.2)}
#formStatus.error{background:rgba(231,76,60,0.1);color:var(--red);border:1px solid rgba(231,76,60,0.2)}

/* ── FOOTER ── */
footer{background:var(--bg2);border-top:1px solid var(--border);padding:54px 5% 26px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:34px;margin-bottom:42px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:0.79rem;color:var(--text-muted);line-height:1.9;margin-bottom:18px}
.social-row{display:flex;gap:8px}
.soc{width:34px;height:34px;border-radius:7px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:0.78rem;transition:all .2s;cursor:pointer}
.soc:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}
.footer-col h4{font-size:0.87rem;font-weight:700;margin-bottom:15px}
.footer-col ul{list-style:none}
.footer-col ul li{font-size:0.79rem;color:var(--text-muted);margin-bottom:9px;cursor:pointer;transition:color .2s;display:flex;align-items:center;gap:5px}
.footer-col ul li:hover{color:var(--accent)}
.footer-col ul li::before{content:'◈';font-size:0.47rem;color:var(--accent);opacity:.6}
.footer-bottom{border-top:1px solid var(--border);padding-top:20px;display:flex;justify-content:space-between;align-items:center;font-size:0.76rem;color:var(--text-muted)}

/* ── MODAL ── */
.modal{display:none;position:fixed;inset:0;z-index:500;align-items:center;justify-content:center}
.modal.open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,0.88);backdrop-filter:blur(8px)}
.modal-box{position:relative;z-index:1;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:0 40px 100px rgba(0,0,0,0.7)}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border)}
.modal-title{font-weight:700;font-size:0.91rem}
.modal-close{width:32px;height:32px;border-radius:7px;background:rgba(255,255,255,0.05);border:1px solid var(--border);cursor:pointer;color:var(--text-muted);display:flex;align-items:center;justify-content:center;transition:all .2s;font-size:1rem}
.modal-close:hover{background:rgba(231,76,60,0.15);color:#e74c3c;border-color:rgba(231,76,60,0.2)}
#pdfModal .modal-box{width:92vw;max-width:920px;max-height:92vh;display:flex;flex-direction:column}
#pdfModal .modal-body{flex:1;overflow:hidden}
#pdfModal .modal-body iframe{width:100%;height:100%;border:none;min-height:76vh}

/* ── TOAST & SCROLL ── */
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--card2);border:1px solid var(--border-accent);border-radius:10px;padding:11px 22px;font-size:0.82rem;font-weight:600;color:var(--accent);z-index:600;transition:transform .3s ease;box-shadow:0 8px 28px rgba(0,0,0,0.5);white-space:nowrap;display:flex;align-items:center;gap:8px}
.toast.show{transform:translateX(-50%) translateY(0)}
.scroll-top{position:fixed;bottom:28px;right:28px;width:40px;height:40px;background:var(--accent);border-radius:50%;border:none;cursor:pointer;font-size:1rem;color:#0b0e12;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 18px rgba(232,160,32,0.3);transition:transform .2s;z-index:50}
.scroll-top:hover{transform:translateY(-3px)}

/* ── RESPONSIVE ── */
@media(max-width:960px){
  .hero{grid-template-columns:1fr;text-align:center;padding-top:96px}
  .hero-text p{max-width:100%}.hero-ctas{justify-content:center}
  .hero-stats{max-width:400px;margin:0 auto}
  .why-grid{grid-template-columns:1fr 1fr}
  .stats-inner{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .nav-links,.nav-phone{display:none}
  .why-grid{grid-template-columns:1fr}
  .stats-inner{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .product-card{flex:0 0 160px;min-width:160px}
  .product-img{height:130px}
}