<!-- no-design-system -->
:root {
  --cyber-bg: #0a0e17;
  --cyber-bg2: #111827;
  --cyber-card: rgba(17,24,39,0.8);
  --cyber-border: rgba(0,230,230,0.15);
  --cyber-border-hover: rgba(0,230,230,0.4);
  --cyber-neon: #00e6e6;
  --cyber-neon2: #00bfff;
  --cyber-green: #10b981;
  --cyber-text: #e2e8f0;
  --cyber-text2: #94a3b8;
  --cyber-glow: 0 0 20px rgba(0,230,230,0.3), 0 0 40px rgba(0,230,230,0.1);
  --cyber-glow-sm: 0 0 10px rgba(0,230,230,0.2);
  --cyber-radius: 16px;
  --cyber-transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--cyber-bg);color:var(--cyber-text);line-height:1.6;overflow-x:hidden;min-height:100vh}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;background:none;font-family:inherit;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
input,select,textarea{font-family:inherit}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--cyber-bg)}
::-webkit-scrollbar-thumb{background:rgba(0,230,230,0.3);border-radius:3px}

.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,14,23,0.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--cyber-border);transition:var(--cyber-transition)}
.header.scrolled{background:rgba(10,14,23,0.95);box-shadow:0 4px 30px rgba(0,0,0,0.5)}
.header-inner{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;align-items:center;height:64px;gap:16px}
.logo{font-size:22px;font-weight:800;letter-spacing:-0.5px;background:linear-gradient(135deg,var(--cyber-neon),var(--cyber-neon2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;white-space:nowrap;flex-shrink:0}
.logo span{font-weight:400;opacity:0.7;-webkit-text-fill-color:var(--cyber-text2)}
.nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav a{padding:8px 14px;border-radius:8px;font-size:14px;font-weight:500;color:var(--cyber-text2);transition:var(--cyber-transition);white-space:nowrap}
.nav a:hover,.nav a.active{color:var(--cyber-neon);background:rgba(0,230,230,0.08)}
.header-right{display:flex;align-items:center;gap:8px;flex-shrink:0}
.header-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:10px;color:var(--cyber-text2);transition:var(--cyber-transition);position:relative;font-size:18px}
.header-icon:hover{color:var(--cyber-neon);background:rgba(0,230,230,0.08)}
.header-icon .badge{position:absolute;top:4px;right:4px;width:18px;height:18px;background:var(--cyber-neon);color:var(--cyber-bg);font-size:10px;font-weight:700;border-radius:50%;display:flex;align-items:center;justify-content:center}
.lang-switch{display:flex;align-items:center;gap:0;background:rgba(255,255,255,0.05);border-radius:8px;overflow:hidden;border:1px solid var(--cyber-border);margin-left:4px}
.lang-switch button{padding:6px 10px;font-size:12px;font-weight:600;color:var(--cyber-text2);transition:var(--cyber-transition)}
.lang-switch button.active{background:var(--cyber-neon);color:var(--cyber-bg)}
.lang-switch button:hover:not(.active){color:var(--cyber-text)}
.burger{display:none;width:40px;height:40px;align-items:center;justify-content:center;font-size:22px;color:var(--cyber-text)}
.mobile-nav{display:none;position:fixed;top:64px;left:0;right:0;bottom:0;background:rgba(10,14,23,0.98);backdrop-filter:blur(20px);z-index:999;padding:24px;flex-direction:column;gap:8px;overflow-y:auto}
.mobile-nav.open{display:flex}
.mobile-nav a{padding:14px 16px;border-radius:12px;font-size:16px;font-weight:500;color:var(--cyber-text2);transition:var(--cyber-transition);border:1px solid transparent}
.mobile-nav a:hover,.mobile-nav a.active{color:var(--cyber-neon);background:rgba(0,230,230,0.06);border-color:var(--cyber-border)}

.hero{padding:120px 24px 80px;position:relative;overflow:hidden;min-height:85vh;display:flex;align-items:center}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 70% 50%,rgba(0,230,230,0.08) 0%,transparent 60%),radial-gradient(ellipse at 30% 80%,rgba(124,58,237,0.06) 0%,transparent 50%)}
.hero-grid{position:absolute;inset:0;opacity:0.03;background-image:linear-gradient(rgba(0,230,230,0.5) 1px,transparent 1px),linear-gradient(90deg,rgba(0,230,230,0.5) 1px,transparent 1px);background-size:60px 60px}
.hero-inner{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1;width:100%}
.hero-content{display:flex;flex-direction:column;gap:24px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:100px;font-size:13px;font-weight:600;background:rgba(0,230,230,0.1);color:var(--cyber-neon);border:1px solid rgba(0,230,230,0.2);width:fit-content}
.hero h1{font-size:clamp(36px,5vw,56px);font-weight:800;line-height:1.1;letter-spacing:-1px;color:#fff}
.hero h1 .neon{background:linear-gradient(135deg,var(--cyber-neon),var(--cyber-neon2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:18px;color:var(--cyber-text2);max-width:500px;line-height:1.7}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center}
.hero-img-container{position:relative;width:100%;max-width:500px;aspect-ratio:1;border-radius:24px;overflow:hidden;background:linear-gradient(135deg,rgba(0,230,230,0.1),rgba(124,58,237,0.1));border:1px solid var(--cyber-border);box-shadow:var(--cyber-glow)}
.hero-img-container::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,var(--cyber-bg) 100%)}
.hero-img-container img{width:100%;height:100%;object-fit:cover}
.hero-glow{position:absolute;width:300px;height:300px;border-radius:50%;background:var(--cyber-neon);opacity:0.08;filter:blur(80px);top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none}

.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:12px;font-size:15px;font-weight:600;transition:var(--cyber-transition);border:1px solid transparent;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--cyber-neon),var(--cyber-neon2));color:var(--cyber-bg);box-shadow:var(--cyber-glow-sm)}
.btn-primary:hover{box-shadow:var(--cyber-glow);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--cyber-text);border-color:var(--cyber-border-hover)}
.btn-outline:hover{border-color:var(--cyber-neon);color:var(--cyber-neon);background:rgba(0,230,230,0.05)}
.btn-ghost{background:rgba(255,255,255,0.05);color:var(--cyber-text);border:1px solid var(--cyber-border)}
.btn-ghost:hover{background:rgba(255,255,255,0.1);border-color:var(--cyber-border-hover)}
.btn-sm{padding:8px 18px;font-size:13px;border-radius:8px}
.btn-lg{padding:16px 36px;font-size:16px;border-radius:14px}
.btn-danger{background:rgba(239,68,68,0.15);color:#ef4444;border-color:rgba(239,68,68,0.3)}
.btn-danger:hover{background:rgba(239,68,68,0.25)}
.btn-neon{background:transparent;color:var(--cyber-neon);border:1px solid var(--cyber-neon)}
.btn-neon:hover{background:rgba(0,230,230,0.1);box-shadow:var(--cyber-glow-sm)}

.section{padding:80px 24px;position:relative}
.section-header{text-align:center;margin-bottom:48px}
.section-header h2{font-size:clamp(28px,3.5vw,40px);font-weight:700;margin-bottom:12px;color:#fff}
.section-header p{color:var(--cyber-text2);font-size:16px;max-width:600px;margin:0 auto}
.section-header .neon{background:linear-gradient(135deg,var(--cyber-neon),var(--cyber-neon2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.container{max-width:1280px;margin:0 auto}

.categories-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.category-card{position:relative;padding:32px 24px;border-radius:var(--cyber-radius);background:var(--cyber-card);border:1px solid var(--cyber-border);transition:var(--cyber-transition);cursor:pointer;overflow:hidden}
.category-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--cyber-neon),var(--cyber-neon2));opacity:0;transition:var(--cyber-transition)}
.category-card:hover{border-color:var(--cyber-border-hover);transform:translateY(-4px);box-shadow:0 8px 40px rgba(0,230,230,0.1)}
.category-card:hover::before{opacity:1}
.category-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px;background:rgba(0,230,230,0.1);border:1px solid rgba(0,230,230,0.15)}
.category-card h3{font-size:18px;font-weight:700;margin-bottom:8px;color:#fff}
.category-card p{font-size:14px;color:var(--cyber-text2);line-height:1.6}
.category-card .arrow{position:absolute;bottom:20px;right:20px;width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:rgba(0,230,230,0.1);color:var(--cyber-neon);font-size:16px;transition:var(--cyber-transition)}
.category-card:hover .arrow{background:var(--cyber-neon);color:var(--cyber-bg)}

.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.product-card{background:var(--cyber-card);border:1px solid var(--cyber-border);border-radius:var(--cyber-radius);overflow:hidden;transition:var(--cyber-transition);display:flex;flex-direction:column}
.product-card:hover{border-color:var(--cyber-border-hover);transform:translateY(-3px);box-shadow:0 8px 30px rgba(0,0,0,0.3)}
.product-img{width:100%;aspect-ratio:4/3;object-fit:cover;background:linear-gradient(135deg,rgba(0,230,230,0.05),rgba(124,58,237,0.05))}
.product-body{padding:16px;flex:1;display:flex;flex-direction:column;gap:8px}
.product-cat{font-size:11px;font-weight:600;text-transform:uppercase;color:var(--cyber-neon);letter-spacing:0.5px}
.product-name{font-size:16px;font-weight:700;color:#fff}
.product-specs{font-size:12px;color:var(--cyber-text2);line-height:1.5}
.product-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:8px}
.product-price{font-size:18px;font-weight:700;color:var(--cyber-neon)}
.product-rating{display:flex;align-items:center;gap:4px;font-size:13px;color:#fbbf24}
.product-actions{display:flex;gap:8px;padding:0 16px 16px}
.product-actions .btn{flex:1;justify-content:center;font-size:13px;padding:8px 12px}
.fav-btn{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;background:rgba(255,255,255,0.05);color:var(--cyber-text2);transition:var(--cyber-transition);flex-shrink:0}
.fav-btn:hover,.fav-btn.active{color:#ef4444;background:rgba(239,68,68,0.1)}

.filters-bar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:24px;padding:16px;background:var(--cyber-card);border-radius:var(--cyber-radius);border:1px solid var(--cyber-border)}
.search-box{flex:1;min-width:200px;position:relative}
.search-box input{width:100%;padding:10px 16px 10px 40px;background:rgba(255,255,255,0.05);border:1px solid var(--cyber-border);border-radius:10px;color:var(--cyber-text);font-size:14px;transition:var(--cyber-transition);outline:none}
.search-box input:focus{border-color:var(--cyber-neon);box-shadow:0 0 0 3px rgba(0,230,230,0.1)}
.search-box input::placeholder{color:var(--cyber-text2)}
.search-box .search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--cyber-text2);font-size:14px;pointer-events:none}
.filter-select{padding:10px 32px 10px 14px;background:rgba(255,255,255,0.05);border:1px solid var(--cyber-border);border-radius:10px;color:var(--cyber-text);font-size:14px;outline:none;cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;transition:var(--cyber-transition)}
.filter-select:focus{border-color:var(--cyber-neon)}
.filter-select option{background:var(--cyber-bg2)}

.builder-layout{display:grid;grid-template-columns:1fr 380px;gap:24px;align-items:start}
.builder-steps{display:flex;flex-direction:column;gap:16px}
.builder-step{background:var(--cyber-card);border:1px solid var(--cyber-border);border-radius:var(--cyber-radius);padding:20px;transition:var(--cyber-transition)}
.builder-step.active{border-color:var(--cyber-neon);box-shadow:0 0 20px rgba(0,230,230,0.1)}
.builder-step.completed{border-color:var(--cyber-green)}
.builder-step-header{display:flex;align-items:center;gap:12px;cursor:pointer}
.step-num{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;background:rgba(0,230,230,0.1);color:var(--cyber-neon);flex-shrink:0}
.builder-step.completed .step-num{background:rgba(16,185,129,0.15);color:var(--cyber-green)}
.step-title{font-size:15px;font-weight:600;flex:1}
.step-selected{font-size:13px;color:var(--cyber-neon)}
.step-arrow{color:var(--cyber-text2);transition:var(--cyber-transition)}
.builder-step.active .step-arrow{transform:rotate(180deg)}
.step-options{display:none;margin-top:16px;border-top:1px solid var(--cyber-border);padding-top:16px}
.builder-step.active .step-options{display:block}
.option-card{display:flex;align-items:center;gap:12px;padding:12px;border-radius:10px;border:1px solid var(--cyber-border);margin-bottom:8px;cursor:pointer;transition:var(--cyber-transition)}
.option-card:hover{border-color:var(--cyber-border-hover);background:rgba(0,230,230,0.03)}
.option-card.selected{border-color:var(--cyber-neon);background:rgba(0,230,230,0.06)}
.option-img{width:48px;height:48px;border-radius:8px;background:rgba(255,255,255,0.05);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.option-info{flex:1;min-width:0}
.option-name{font-size:14px;font-weight:600;color:#fff}
.option-spec{font-size:12px;color:var(--cyber-text2)}
.option-price{font-size:14px;font-weight:700;color:var(--cyber-neon);white-space:nowrap}

.builder-summary{background:var(--cyber-card);border:1px solid var(--cyber-border);border-radius:var(--cyber-radius);padding:24px;position:sticky;top:80px}
.builder-summary h3{font-size:18px;font-weight:700;margin-bottom:16px;color:#fff}
.summary-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--cyber-border);font-size:14px}
.summary-item:last-of-type{border-bottom:none}
.summary-label{color:var(--cyber-text2)}
.summary-value{font-weight:600;color:#fff}
.summary-total{display:flex;justify-content:space-between;align-items:center;padding:16px 0;margin-top:8px;border-top:2px solid var(--cyber-border)}
.summary-total .label{font-size:16px;font-weight:600}
.summary-total .price{font-size:24px;font-weight:800;color:var(--cyber-neon)}
.compat-status{display:flex;align-items:center;gap:8px;padding:12px;border-radius:10px;margin:12px 0;font-size:13px;font-weight:600}
.compat-ok{background:rgba(16,185,129,0.1);color:var(--cyber-green);border:1px solid rgba(16,185,129,0.2)}
.compat-warn{background:rgba(245,158,11,0.1);color:#f59e0b;border:1px solid rgba(245,158,11,0.2)}
.compat-err{background:rgba(239,68,68,0.1);color:#ef4444;border:1px solid rgba(239,68,68,0.2)}
.builder-actions{display:flex;flex-direction:column;gap:8px;margin-top:16px}

.compare-table-wrap{overflow-x:auto;border-radius:var(--cyber-radius)}
.compare-table{width:100%;border-collapse:collapse;background:var(--cyber-card);border:1px solid var(--cyber-border);border-radius:var(--cyber-radius)}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--cyber-border);font-size:14px}
.compare-table th{background:rgba(0,230,230,0.05);color:var(--cyber-text2);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:0.5px}
.compare-table td{color:var(--cyber-text)}
.compare-table .product-col-header{text-align:center;padding:20px 16px}
.compare-table .product-col-header img{width:80px;height:80px;object-fit:cover;border-radius:10px;margin:0 auto 8px;background:rgba(255,255,255,0.05)}
.compare-table .product-col-header .name{font-weight:700;color:#fff;font-size:14px}
.compare-table .product-col-header .price{color:var(--cyber-neon);font-weight:700;font-size:16px}
.compare-table .winner{background:rgba(0,230,230,0.05);color:var(--cyber-neon);font-weight:600}

.ai-section{background:linear-gradient(180deg,var(--cyber-bg) 0%,rgba(0,230,230,0.03) 50%,var(--cyber-bg) 100%)}
.ai-container{max-width:800px;margin:0 auto}
.ai-header{text-align:center;margin-bottom:32px}
.ai-header .ai-icon{width:72px;height:72px;border-radius:20px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:32px;background:linear-gradient(135deg,rgba(0,230,230,0.15),rgba(124,58,237,0.15));border:1px solid var(--cyber-border);box-shadow:var(--cyber-glow)}
.ai-chat{background:var(--cyber-card);border:1px solid var(--cyber-border);border-radius:var(--cyber-radius);overflow:hidden}
.ai-messages{height:400px;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:16px}
.ai-msg{display:flex;gap:12px;max-width:85%;animation:fadeUp 0.3s ease}
.ai-msg.user{align-self:flex-end;flex-direction:row-reverse}
.ai-msg .avatar{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.ai-msg.bot .avatar{background:linear-gradient(135deg,rgba(0,230,230,0.2),rgba(124,58,237,0.2))}
.ai-msg.user .avatar{background:rgba(99,102,241,0.2)}
.ai-msg .bubble{padding:12px 16px;border-radius:14px;font-size:14px;line-height:1.6}
.ai-msg.bot .bubble{background:rgba(255,255,255,0.05);border:1px solid var(--cyber-border);border-top-left-radius:4px}
.ai-msg.user .bubble{background:linear-gradient(135deg,var(--cyber-neon),var(--cyber-neon2));color:var(--cyber-bg);border-top-right-radius:4px}
.ai-input-area{display:flex;gap:8px;padding:16px 20px;border-top:1px solid var(--cyber-border);background:rgba(0,0,0,0.2)}
.ai-input-area input{flex:1;padding:12px 16px;background:rgba(255,255,255,0.05);border:1px solid var(--cyber-border);border-radius:12px;color:var(--cyber-text);font-size:14px;outline:none;transition:var(--cyber-transition)}
.ai-input-area input:focus{border-color:var(--cyber-neon)}
.ai-input-area input::placeholder{color:var(--cyber-text2)}
.ai-suggestions{display:flex;gap:8px;flex-wrap:wrap;padding:0 20px 16px}
.ai-suggest-btn{padding:6px 14px;border-radius:100px;font-size:12px;background:rgba(0,230,230,0.08);color:var(--cyber-neon);border:1px solid rgba(0,230,230,0.15);transition:var(--cyber-transition)}
.ai-suggest-btn:hover{background:rgba(0,230,230,0.15)}

.cart-page{max-width:900px;margin:0 auto}
.cart-item{display:flex;gap:16px;align-items:center;padding:16px;background:var(--cyber-card);border:1px solid var(--cyber-border);border-radius:var(--cyber-radius);margin-bottom:12px;transition:var(--cyber-transition)}
.cart-item:hover{border-color:var(--cyber-border-hover)}
.cart-img{width:80px;height:80px;border-radius:10px;background:rgba(255,255,255,0.05);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:28px}
.cart-info{flex:1;min-width:0}
.cart-name{font-size:15px;font-weight:600;color:#fff;margin-bottom:4px}
.cart-spec{font-size:12px;color:var(--cyber-text2)}
.cart-qty{display:flex;align-items:center;border:1px solid var(--cyber-border);border-radius:8px;overflow:hidden}
.cart-qty button{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,0.05);color:var(--cyber-text);font-size:16px;transition:var(--cyber-transition)}
.cart-qty button:hover{background:rgba(0,230,230,0.1);color:var(--cyber-neon)}
.cart-qty span{width:36px;text-align:center;font-size:14px;font-weight:600}
.cart-price{font-size:16px;font-weight:700;color:var(--cyber-neon);white-space:nowrap;min-width:100px;text-align:right}
.cart-remove{color:var(--cyber-text2);font-size:18px;padding:8px;transition:var(--cyber-transition)}
.cart-remove:hover{color:#ef4444}
.cart-total-bar{display:flex;justify-content:space-between;align-items:center;padding:20px;background:var(--cyber-card);border:1px solid var(--cyber-border);border-radius:var(--cyber-radius);margin-top:20px}
.cart-total-bar .total-label{font-size:16px;color:var(--cyber-text2)}
.cart-total-bar .total-price{font-size:28px;font-weight:800;color:var(--cyber-neon)}
.cart-empty{text-align:center;padding:60px 20px;color:var(--cyber-text2)}
.cart-empty .empty-icon{font-size:48px;margin-bottom:16px;opacity:0.5}

.profile-layout{display:grid;grid-template-columns:260px 1fr;gap:24px}
.profile-sidebar{background:var(--cyber-card);border:1px solid var(--cyber-border);border-radius:var(--cyber-radius);padding:20px}
.profile-avatar{width:80px;height:80px;border-radius:20px;margin:0 auto 12px;background:linear-gradient(135deg,rgba(0,230,230,0.2),rgba(124,58,237,0.2));display:flex;align-items:center;justify-content:center;font-size:32px;border:2px solid var(--cyber-border)}
.profile-name{text-align:center;font-size:18px;font-weight:700;color:#fff;margin-bottom:4px}
.profile-email{text-align:center;font-size:13px;color:var(--cyber-text2);margin-bottom:20px}
.profile-menu a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:14px;color:var(--cyber-text2);transition:var(--cyber-transition);margin-bottom:4px}
.profile-menu a:hover,.profile-menu a.active{color:var(--cyber-neon);background:rgba(0,230,230,0.06)}
.profile-content{background:var(--cyber-card);border:1px solid var(--cyber-border);border-radius:var(--cyber-radius);padding:24px}
.profile-content h2{font-size:20px;font-weight:700;color:#fff;margin-bottom:20px}

.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.7);z-index:2000;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(8px)}
.modal-overlay.open{display:flex}
.modal{background:var(--cyber-bg2);border:1px solid var(--cyber-border);border-radius:var(--cyber-radius);max-width:500px;width:100%;max-height:80vh;overflow-y:auto;animation:fadeUp 0.3s ease}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--cyber-border)}
.modal-header h3{font-size:18px;font-weight:700;color:#fff}
.modal-close{font-size:20px;color:var(--cyber-text2);padding:4px;transition:var(--cyber-transition)}
.modal-close:hover{color:var(--cyber-text)}
.modal-body{padding:20px}

.footer{border-top:1px solid var(--cyber-border);padding:48px 24px 24px;background:rgba(0,0,0,0.3)}
.footer-grid{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{font-size:20px;margin-bottom:12px}
.footer-brand p{font-size:14px;color:var(--cyber-text2);line-height:1.7;max-width:300px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;text-transform:uppercase;letter-spacing:0.5px}
.footer-col a{display:block;padding:4px 0;font-size:14px;color:var(--cyber-text2);transition:var(--cyber-transition)}
.footer-col a:hover{color:var(--cyber-neon)}
.footer-bottom{max-width:1280px;margin:32px auto 0;padding-top:20px;border-top:1px solid var(--cyber-border);display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--cyber-text2)}

.page{display:none}
.page.active{display:block}

.toast{position:fixed;bottom:24px;right:24px;z-index:3000;padding:14px 20px;border-radius:12px;font-size:14px;font-weight:500;background:var(--cyber-bg2);border:1px solid var(--cyber-neon);color:var(--cyber-text);box-shadow:var(--cyber-glow);animation:slideIn 0.3s ease,fadeOut 0.3s ease 2.7s forwards;display:flex;align-items:center;gap:10px}

@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes slideIn{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:none}}
@keyframes fadeOut{to{opacity:0;transform:translateY(10px)}}
.reveal{opacity:0;transform:translateY(24px);transition:opacity 0.6s ease,transform 0.6s ease}
.reveal.in{opacity:1;transform:none}

.empty-state{text-align:center;padding:60px 20px;color:var(--cyber-text2)}
.empty-state .icon{font-size:48px;margin-bottom:16px;opacity:0.5}
.empty-state h3{font-size:18px;color:var(--cyber-text);margin-bottom:8px}

.tabs{display:flex;gap:4px;margin-bottom:20px;flex-wrap:wrap}
.tab-btn{padding:8px 18px;border-radius:8px;font-size:14px;font-weight:500;color:var(--cyber-text2);transition:var(--cyber-transition);border:1px solid transparent}
.tab-btn:hover{color:var(--cyber-text);background:rgba(255,255,255,0.05)}
.tab-btn.active{color:var(--cyber-neon);background:rgba(0,230,230,0.08);border-color:rgba(0,230,230,0.2)}

@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-content{align-items:center}
  .hero-sub{margin:0 auto}
  .hero-actions{justify-content:center}
  .hero-visual{display:none}
  .categories-grid{grid-template-columns:repeat(2,1fr)}
  .builder-layout{grid-template-columns:1fr}
  .builder-summary{position:static}
  .profile-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav{display:none}
  .burger{display:flex}
  .header-inner{height:56px}
  .hero{min-height:auto;padding:100px 16px 60px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .section{padding:48px 16px}
  .categories-grid{grid-template-columns:1fr}
  .products-grid{grid-template-columns:1fr 1fr}
  .filters-bar{flex-direction:column}
  .search-box{min-width:100%}
  .cart-item{flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
}
@media(max-width:480px){
  .products-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
  .lang-switch{display:none}
}