:root{
      --bg:#0a0a0c;
      --bg-card:#131316;
      --bg-input:#1a1a1f;
      --text:#f5f5f7;
      --text-secondary:#8a8a93;
      --accent:#39ff14;
      --accent-dim:rgba(57,255,20,0.15);
      --accent-glow:rgba(57,255,20,0.4);
      --border:rgba(255,255,255,0.06);
      --gold:#ffd700;
      --blue:#3b82f6;
      --purple:#a855f7;
      --radius:16px;
      --radius-sm:10px;
      --transition:0.3s cubic-bezier(0.4,0,0.2,1);
      --max-width:1200px;
      --header-height:72px
    }

    *{margin:0;padding:0;box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{font-family:'Montserrat',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;margin-top:var(--header-height)}
    ::selection{background:var(--accent);color:#000}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}

    /* === ШАПКА === */
    .header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:rgba(10,10,12,0.88);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);z-index:1000;display:flex;align-items:center;justify-content:flex-start;padding:0 32px;gap:48px;transition:var(--transition)}
    .header.scrolled{background:rgba(10,10,12,0.96);box-shadow:0 4px 30px rgba(0,0,0,0.4)}
    .logo{font-size:1.4rem;font-weight:800;letter-spacing:-0.5px;background:linear-gradient(135deg,var(--text) 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;flex-shrink:0;cursor:pointer}
    .nav{display:flex;gap:32px;align-items:center;flex:1}
    .nav a,.nav span{font-size:0.9rem;font-weight:500;color:var(--text-secondary);transition:var(--transition);position:relative;white-space:nowrap;cursor:pointer}
    .nav a:hover,.nav span:hover{color:var(--text)}
    .nav a::after,.nav span::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent);transition:var(--transition);border-radius:2px}
    .nav a:hover::after,.nav span:hover::after{width:100%}
    .header-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
    .mobile-menu-btn{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer}

    /* === КНОПКИ === */
    .btn{padding:16px 36px;border-radius:var(--radius-sm);font-size:1rem;font-weight:700;cursor:pointer;transition:var(--transition);border:none;display:inline-flex;align-items:center;gap:8px;justify-content:center}
    .btn-primary{background:var(--accent);color:#000;box-shadow:0 4px 30px rgba(57,255,20,0.3)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 40px rgba(57,255,20,0.5)}
    .btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border)}
    .btn-secondary:hover{border-color:var(--text-secondary);background:rgba(255,255,255,0.03)}
    .btn-outline{background:transparent;color:var(--accent);border:1px solid var(--accent)}
    .btn-outline:hover{background:var(--accent);color:#000}
    .btn-large{padding:20px 48px;font-size:1.1rem}
    .btn:disabled{opacity:0.5;cursor:not-allowed;transform:none!important}

    /* === СЕКЦИИ === */
    .section{padding:100px 24px;max-width:var(--max-width);margin:0 auto}
    .section-header{text-align:center;margin-bottom:64px}
    .section-header h2{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;margin-bottom:12px;letter-spacing:-1px}
    .section-header p{color:var(--text-secondary);font-size:1.1rem;max-width:560px;margin:0 auto}

    /* === HERO === */
    .hero{min-height:90vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:calc(var(--header-height)+60px) 24px 80px;position:relative;overflow:hidden}
    .hero::before{content:'';position:absolute;top:20%;left:50%;transform:translateX(-50%);width:600px;height:600px;background:radial-gradient(circle,var(--accent-glow) 0%,transparent 70%);opacity:0.3;pointer-events:none;animation:pulse 4s ease-in-out infinite}
    @keyframes pulse{0%,100%{transform:translateX(-50%) scale(1);opacity:0.3}50%{transform:translateX(-50%) scale(1.1);opacity:0.5}}
    .hero-content{position:relative;z-index:2;max-width:760px}
    .hero-badges{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:32px}
    .badge{background:var(--accent-dim);color:var(--accent);padding:6px 14px;border-radius:100px;font-size:0.75rem;font-weight:600;letter-spacing:0.5px;text-transform:uppercase;border:1px solid rgba(57,255,20,0.2)}
    .hero h1{font-size:clamp(2.4rem,5.5vw,4.2rem);font-weight:900;line-height:1.15;letter-spacing:-2px;margin-bottom:20px}
    .hero h1 span{background:linear-gradient(135deg,var(--accent) 0%,#2ecc71 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
    .hero p{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-secondary);max-width:620px;margin:0 auto 40px}
    .hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

    /* === ПРЕИМУЩЕСТВА === */
    .why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}
    .why-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:36px 28px;text-align:center;transition:var(--transition)}
    .why-card:hover{border-color:rgba(57,255,20,0.2);transform:translateY(-4px)}
    .why-icon{width:56px;height:56px;background:var(--accent-dim);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.5rem}
    .why-card h3{font-size:1.1rem;font-weight:700;margin-bottom:10px}
    .why-card p{color:var(--text-secondary);font-size:0.9rem;line-height:1.5}

    /* === ПРОДУКТЫ === */
    .products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
    .product-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition);cursor:pointer}
    .product-card:hover{transform:translateY(-4px);border-color:rgba(57,255,20,0.2)}
    .product-img{aspect-ratio:1;background:linear-gradient(135deg,#1a1a1f 0%,#0f0f12 100%);display:flex;align-items:center;justify-content:center;font-size:2.5rem;position:relative}
    .product-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
    .product-img .img-fallback{position:relative;z-index:2}
    .product-tag{position:absolute;top:12px;left:12px;padding:3px 10px;border-radius:6px;font-size:0.65rem;font-weight:700;text-transform:uppercase;z-index:3}
    .tag-green{background:rgba(57,255,20,0.15);color:var(--accent)}
    .tag-blue{background:rgba(59,130,246,0.15);color:var(--blue)}
    .tag-gold{background:rgba(255,215,0,0.15);color:var(--gold)}
    .tag-purple{background:rgba(168,85,247,0.15);color:var(--purple)}
    .product-info{padding:20px}
    .product-name{font-size:0.95rem;font-weight:700;margin-bottom:6px;line-height:1.3}
    .product-short{color:var(--text-secondary);font-size:0.85rem;margin-bottom:14px}
    .btn-details{width:100%;padding:10px;background:var(--accent-dim);color:var(--accent);border:1px solid rgba(57,255,20,0.2);border-radius:var(--radius-sm);font-size:0.85rem;font-weight:700;cursor:pointer;transition:var(--transition);text-align:center}
    .btn-details:hover{background:var(--accent);color:#000}

    /* === КАК ЭТО РАБОТАЕТ === */
    .steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px}
    .step-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:40px 32px;position:relative;transition:var(--transition)}
    .step-card:hover{border-color:rgba(57,255,20,0.2)}
    .step-num{font-size:3rem;font-weight:900;color:var(--accent);opacity:0.3;line-height:1;margin-bottom:16px}
    .step-card h3{font-size:1.2rem;font-weight:700;margin-bottom:10px}
    .step-card p{color:var(--text-secondary);font-size:0.95rem;line-height:1.6}

    /* === FAQ === */
    .faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:20px}
    .faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:var(--transition);cursor:pointer}
    .faq-item:hover{border-color:rgba(57,255,20,0.2)}
    .faq-item.active{border-color:var(--accent)}
    .faq-question{font-size:1.05rem;font-weight:700;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center;gap:12px}
    .faq-question::after{content:'+';font-size:1.2rem;color:var(--accent);flex-shrink:0;transition:var(--transition)}
    .faq-item.active .faq-question::after{content:'−'}
    .faq-answer{color:var(--text-secondary);font-size:0.95rem;line-height:1.7;max-height:0;overflow:hidden;transition:max-height 0.3s ease,padding 0.3s ease}
    .faq-item.active .faq-answer{max-height:300px;padding-top:12px}

    /* === CTA БЛОК === */
    .cta-block{background:linear-gradient(180deg,var(--bg) 0%,rgba(57,255,20,0.03) 50%,var(--bg) 100%);text-align:center;padding:120px 24px}
    .cta-block h2{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;max-width:640px;margin:0 auto 16px;line-height:1.3}
    .cta-block p{color:var(--text-secondary);font-size:1.1rem;max-width:520px;margin:0 auto 36px}

    /* === ФУТЕР === */
    .footer{border-top:1px solid var(--border);padding:60px 24px 30px;max-width:var(--max-width);margin:0 auto}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr;gap:48px;margin-bottom:48px}
    .footer-brand .logo{margin-bottom:12px;display:inline-block}
    .footer-brand p{color:var(--text-secondary);font-size:0.9rem}
    .footer-col h4{font-size:0.85rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:20px;color:var(--text-secondary)}
    .footer-col a{display:block;color:var(--text-secondary);font-size:0.9rem;margin-bottom:12px;transition:var(--transition)}
    .footer-col a:hover{color:var(--accent)}
    .footer-bottom{border-top:1px solid var(--border);padding-top:24px;text-align:center;color:var(--text-secondary);font-size:0.8rem}


    /* === МОБИЛЬНОЕ МЕНЮ === */
    .mobile-nav{display:flex;flex-direction:column;position:fixed;top:var(--header-height);left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);z-index:999;max-height:0;overflow:hidden;opacity:0;transition:max-height 0.35s cubic-bezier(0.4,0,0.2,1),opacity 0.25s ease,padding 0.3s ease;padding:0 24px}
    .mobile-nav.active{max-height:400px;opacity:1;padding:8px 24px 16px}
    .mobile-nav span{padding:14px 0;color:var(--text-secondary);font-weight:500;border-bottom:1px solid var(--border);cursor:pointer;transition:color 0.2s,transform 0.3s ease,opacity 0.3s ease;transform:translateY(-8px);opacity:0}
    .mobile-nav.active span{transform:translateY(0);opacity:1}
    .mobile-nav.active span:nth-child(1){transition-delay:0.05s}
    .mobile-nav.active span:nth-child(2){transition-delay:0.10s}
    .mobile-nav.active span:nth-child(3){transition-delay:0.15s}
    .mobile-nav.active span:nth-child(4){transition-delay:0.20s}
    .mobile-nav.active span:nth-child(5){transition-delay:0.25s}
    .mobile-nav span:hover{color:var(--accent)}
    .mobile-nav span:last-child{border-bottom:none}
    /* === ХЛЕБНЫЕ КРОШКИ === */
    .breadcrumbs{max-width:var(--max-width);margin:0 auto;padding:24px 24px 0;display:flex;gap:8px;align-items:center;font-size:0.85rem;color:var(--text-secondary)}
    .breadcrumbs span:hover{color:var(--accent);cursor:pointer}
    .breadcrumbs .current{color:var(--text);cursor:default}

    /* === СТРАНИЦА ТОВАРА === */
    .product-page{max-width:var(--max-width);margin:0 auto;padding:40px 24px 100px}
    .product-layout{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
    .product-main-img{width:100%;aspect-ratio:1;background:linear-gradient(135deg,#1a1a1f 0%,#0f0f12 100%);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;border:1px solid var(--border);position:relative;overflow:hidden}
    .product-main-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
    .product-main-img .img-fallback{position:relative;z-index:2;font-size:6rem}
    .product-main-img::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,var(--accent-glow) 0%,transparent 50%);opacity:0.2;z-index:1}
    .product-info-page h1{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:900;margin-bottom:16px;line-height:1.2;letter-spacing:-1px}
    .product-tag-page{display:inline-block;padding:4px 14px;border-radius:100px;font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;margin-bottom:20px}
    .product-desc-page{color:var(--text-secondary);font-size:1.05rem;line-height:1.7;margin-bottom:32px}
    .product-actions{display:flex;gap:12px;margin-bottom:32px}
    .product-actions .btn{flex:1;padding:18px 24px;font-size:1.05rem}
    .product-details,.product-features,.product-comp{margin-bottom:32px}
    .product-details h3,.product-features h3,.product-comp h3{font-size:1.1rem;font-weight:700;margin-bottom:16px;text-transform:uppercase;letter-spacing:1px;color:var(--text-secondary)}
    .detail-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border);font-size:0.95rem}
    .detail-row span:first-child{color:var(--text-secondary)}
    .detail-row span:last-child{font-weight:600;text-align:right}
    .feature-list{list-style:none}
    .feature-list li{padding:8px 0;display:flex;align-items:flex-start;gap:12px;font-size:0.95rem;color:var(--text-secondary)}
    .feature-list li::before{content:'✓';color:var(--accent);font-weight:800;flex-shrink:0}
    .comp-text{color:var(--text-secondary);font-size:0.9rem;line-height:1.7;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}

    /* === ПОХОЖИЕ ТОВАРЫ === */
    .related-section{max-width:var(--max-width);margin:0 auto;padding:0 24px 100px}
    .related-section h2{font-size:1.5rem;font-weight:800;margin-bottom:32px}
    .related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}

    /* === ФОРМА ЗАЯВКИ === */
    .form-page{max-width:700px;margin:0 auto;padding:40px 24px 100px}
    .form-header{text-align:center;margin-bottom:48px}
    .form-header h1{font-size:clamp(1.8rem,4vw,2.4rem);font-weight:800;margin-bottom:12px}
    .form-header p{color:var(--text-secondary);font-size:1.05rem}
    .order-form{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px}
    .form-group{margin-bottom:20px}
    .form-group label{display:block;font-size:0.9rem;font-weight:600;margin-bottom:8px}
    .form-group label .required{color:var(--accent);margin-left:2px}
    .form-group input,.form-group textarea,.form-group select{width:100%;padding:14px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:1rem;font-family:inherit;transition:var(--transition)}
    .form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}
    .form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-secondary);opacity:0.5}
    .form-group textarea{min-height:110px;resize:vertical}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .checkbox-row{display:flex;flex-wrap:wrap;gap:10px}
    .checkbox-pill{display:flex;align-items:center;gap:8px;background:var(--bg-input);border:1px solid var(--border);border-radius:100px;padding:10px 16px;font-size:0.85rem;cursor:pointer;transition:var(--transition)}
    .checkbox-pill:hover{border-color:var(--accent)}
    .checkbox-pill input{width:auto;accent-color:var(--accent)}
    .form-submit{width:100%;margin-top:12px}
    .form-privacy{margin-top:16px;font-size:0.8rem;color:var(--text-secondary);text-align:center;line-height:1.5}

    /* === УСПЕШНАЯ ЗАЯВКА === */
    .success-page{min-height:70vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:40px 24px 80px;max-width:600px;margin:0 auto}
    .success-icon{width:80px;height:80px;background:var(--accent-dim);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2.5rem;margin-bottom:24px;border:2px solid var(--accent);box-shadow:0 0 30px var(--accent-glow)}
    .success-page h1{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:800;margin-bottom:16px}
    .success-page p{color:var(--text-secondary);font-size:1.05rem;margin-bottom:32px;line-height:1.6}

    /* === АДАПТИВ === */
    @media(max-width:900px){
      .product-layout{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
    }
    @media(max-width:768px){
      .nav{display:none}
      .mobile-menu-btn{display:block}
      .header{padding:0 16px;gap:16px}
      .footer-grid{grid-template-columns:1fr;gap:32px}
      .hero{padding-top:calc(var(--header-height)+40px)}
      .section{padding:60px 20px}
      .product-actions{flex-direction:column}
      .form-row{grid-template-columns:1fr}
      .related-grid{grid-template-columns:1fr}
    }

    /* === АНИМАЦИИ === */
    @keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
    .animate-in{opacity:0;animation:fadeInUp 0.6s ease forwards}
    :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}