:root{
    --bg:#0b0b0c;
    --surface:#141416;
    --surface-2:#1b1b1e;
    --text:#f3efe6;
    --muted:#9b968c;
    --accent:#e4222b;
    --accent-dim:#7d1015;
    --gold:#f2c230;
    --line: rgba(243,239,230,0.10);
    --font-display: 'Anton', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:var(--font-body);
    line-height:1.5;
    overflow-x:hidden;
  }
  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important;}
  }
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  h1,h2,h3{font-family:var(--font-display); letter-spacing:0.5px; text-transform:uppercase; margin:0;}
  .wrap{max-width:1240px;margin:0 auto;padding:0 24px;}
  ::selection{background:var(--accent);color:#fff;}

  /* ---------- NAV ---------- */
  nav.topnav{
    position:fixed; top:0; left:0; right:0; z-index:200;
    display:flex; align-items:center; justify-content:space-between;
    padding:22px 32px;
    transition:padding .35s ease, background .35s ease, box-shadow .35s ease;
    background:transparent;
  }
  nav.topnav.scrolled{
    padding:12px 32px;
    background:rgba(11,11,12,0.86);
    backdrop-filter:blur(10px);
    box-shadow:0 1px 0 var(--line);
  }
  .logo{
    font-family:var(--font-display);
    font-size:22px;
    letter-spacing:1px;
    display:flex;align-items:center;gap:8px;
  }
  .logo .inf{
    display:inline-block;
    color:var(--gold);
    animation: infinity-spin 6s linear infinite;
    filter:drop-shadow(0 0 6px rgba(242,194,48,0.6));
  }
  @keyframes infinity-spin{
    0%{transform:rotate(0deg) scale(1);}
    50%{transform:rotate(180deg) scale(1.15);}
    100%{transform:rotate(360deg) scale(1);}
  }
  .navlinks{display:flex; gap:28px; font-size:13px; letter-spacing:1px; text-transform:uppercase;}
  .navlinks a{position:relative; padding-bottom:4px; opacity:.85;}
  .navlinks a::after{
    content:''; position:absolute; left:0; bottom:0; width:0%; height:2px; background:var(--accent);
    transition:width .3s ease;
  }
  .navlinks a:hover::after, .navlinks a.active::after{width:100%;}
  .cart-btn{
    position:relative; display:flex; align-items:center; gap:8px;
    font-family:var(--font-mono); font-size:12px; border:1px solid var(--line);
    padding:8px 14px; border-radius:999px; cursor:pointer; background:transparent; color:var(--text);
  }
  .cart-btn:hover{border-color:var(--gold);}
  #cartCount{
    background:var(--accent); color:#fff; border-radius:50%;
    width:18px;height:18px; font-size:11px; display:flex; align-items:center; justify-content:center;
    transition:transform .25s ease;
  }
  .cart-btn.bump #cartCount{animation:cart-bump .4s ease;}
  @keyframes cart-bump{
    0%{transform:scale(1);}
    40%{transform:scale(1.6);}
    100%{transform:scale(1);}
  }

  /* ---------- HERO ---------- */
  .hero{
    position:relative; min-height:100vh; display:flex; flex-direction:column; justify-content:center;
    overflow:hidden; isolation:isolate;
  }
  .hero-bg{
    position:absolute; inset:0; z-index:-2;
    background-image:linear-gradient(180deg, rgba(11,11,12,0.55) 0%, rgba(11,11,12,0.75) 55%, rgba(11,11,12,1) 100%), url('https://images.unsplash.com/photo-1737168159661-a95cf641becf?w=1600&q=70&auto=format&fit=crop');
    background-size:cover; background-position:center;
    filter:saturate(1.05) contrast(1.05);
  }
  .hero-spotlight{
    position:absolute; inset:0; z-index:-1; pointer-events:none;
    background:radial-gradient(circle 380px at var(--mx,50%) var(--my,40%), rgba(228,34,43,0.20), transparent 70%);
    transition:background .1s linear;
  }
  .hero-inner{ padding:160px 24px 60px; text-align:center; }
  .eyebrow{
    font-family:var(--font-mono); font-size:12px; letter-spacing:3px; text-transform:uppercase;
    color:var(--gold); margin-bottom:18px;
  }
  .hero h1{
    font-size:clamp(48px, 9vw, 118px);
    line-height:0.92;
  }
  .hero h1 .line2{color:var(--accent);}
  .hero h1 .inf-big{
    display:inline-block; color:var(--gold);
    animation: infinity-spin 6s linear infinite;
    filter:drop-shadow(0 0 18px rgba(242,194,48,0.55));
  }
  .hero p.sub{
    max-width:560px; margin:26px auto 34px; color:var(--muted); font-size:17px;
  }
  .hero-ctas{display:flex; gap:16px; justify-content:center; flex-wrap:wrap;}
  .btn{
    position:relative; overflow:hidden;
    font-family:var(--font-mono); font-size:13px; letter-spacing:1px; text-transform:uppercase;
    padding:15px 30px; border-radius:2px; cursor:pointer; border:1px solid transparent;
    display:inline-block;
  }
  .btn-primary{ background:var(--accent); color:#fff; }
  .btn-primary:hover{background:#ff2c36;}
  .btn-outline{ background:transparent; color:var(--text); border-color:var(--line); }
  .btn-outline:hover{border-color:var(--gold); color:var(--gold);}
  .ripple{
    position:absolute; border-radius:50%; transform:scale(0);
    background:rgba(255,255,255,0.5); animation:ripple-anim .6s ease-out;
    pointer-events:none;
  }
  @keyframes ripple-anim{ to{transform:scale(3); opacity:0;} }

  /* marquee ribbon */
  .marquee{
    border-top:1px solid var(--line); border-bottom:1px solid var(--line);
    background:var(--surface); overflow:hidden; white-space:nowrap;
    padding:14px 0; margin-top:40px;
  }
  .marquee-track{
    display:inline-block; padding-left:100%;
    animation:marquee-scroll 22s linear infinite;
  }
  @keyframes marquee-scroll{
    from{transform:translateX(0);}
    to{transform:translateX(-100%);}
  }
  .marquee-track span{
    font-family:var(--font-display); font-size:20px; letter-spacing:2px;
    margin:0 26px; color:var(--muted); text-transform:uppercase;
  }
  .marquee-track span.hl{color:var(--gold);}

  /* ---------- SECTIONS / REVEAL ---------- */
  section{ padding:100px 0; }
  .section-head{ margin-bottom:44px; }
  .section-head .tag{ font-family:var(--font-mono); font-size:12px; letter-spacing:2px; color:var(--accent); text-transform:uppercase;}
  .section-head h2{ font-size:clamp(32px,5vw,54px); margin-top:8px; }
  .section-head p{color:var(--muted); max-width:520px; margin-top:12px;}

  .reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s ease, transform .7s ease; }
  .reveal.in-view{ opacity:1; transform:translateY(0); }

  /* category chips */
  .chipnav{
    position:sticky; top:64px; z-index:90;
    display:flex; gap:10px; overflow-x:auto; padding:14px 0; margin-bottom:20px;
    background:linear-gradient(var(--bg), var(--bg));
  }
  .chip{
    font-family:var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:1px;
    padding:10px 18px; border:1px solid var(--line); border-radius:999px; white-space:nowrap; cursor:pointer;
    position:relative;
  }
  .chip::after{
    content:''; position:absolute; left:18px; right:18px; bottom:4px; height:2px; background:var(--gold);
    transform:scaleX(0); transform-origin:left; transition:transform .3s ease;
  }
  .chip:hover::after, .chip.active::after{transform:scaleX(1);}
  .chip.active{border-color:var(--gold); color:var(--gold);}

  /* product grid */
  .grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:20px; }
  @media (max-width:1080px){ .grid{grid-template-columns:repeat(3,1fr);} }
  @media (max-width:680px){ .grid{grid-template-columns:repeat(2,1fr);} }

  .card{
    background:var(--surface); border:1px solid var(--line); border-radius:6px; overflow:hidden;
    transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  }
  .card:hover{ transform:translateY(-8px); box-shadow:0 18px 40px rgba(0,0,0,0.45); border-color:var(--line); }
  .card-media{ position:relative; aspect-ratio:1/1; overflow:hidden; background:#000; }
  .card-media img{ width:100%; height:100%; object-fit:cover; transition:transform .6s ease; }
  .card:hover .card-media img{ transform:scale(1.09); }
  .badge{
    position:absolute; top:10px; left:10px; background:var(--accent); color:#fff;
    font-family:var(--font-mono); font-size:11px; padding:5px 9px; border-radius:3px; letter-spacing:.5px;
    animation:badge-pulse 2.4s ease-in-out infinite;
  }
  @keyframes badge-pulse{
    0%,100%{ box-shadow:0 0 0 0 rgba(228,34,43,0.55); }
    50%{ box-shadow:0 0 0 6px rgba(228,34,43,0); }
  }
  .card-body{ padding:16px; }
  .card-body h4{ font-family:var(--font-body); font-weight:600; font-size:14.5px; margin:0 0 8px; }
  .price-row{ display:flex; align-items:baseline; gap:8px; margin-bottom:12px; font-family:var(--font-mono); }
  .price-new{ color:var(--gold); font-size:15px; }
  .price-old{ color:var(--muted); font-size:12px; text-decoration:line-through; }
  .add-btn{
    width:100%; background:transparent; border:1px solid var(--line); color:var(--text);
    font-family:var(--font-mono); font-size:11px; letter-spacing:1px; text-transform:uppercase;
    padding:10px; border-radius:3px; cursor:pointer; position:relative; overflow:hidden;
  }
  .add-btn:hover{ border-color:var(--accent); color:var(--accent); }

  /* ---------- ABOUT ---------- */
  .about{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
  @media (max-width:860px){ .about{grid-template-columns:1fr;} }
  .about-img{ border-radius:6px; overflow:hidden; border:1px solid var(--line); }
  .about-img img{ width:100%; height:100%; object-fit:cover; }
  .about-copy p{ color:var(--muted); margin-bottom:16px; }
  .stat-row{ display:flex; gap:36px; margin-top:28px; }
  .stat-row div strong{ display:block; font-family:var(--font-display); font-size:30px; color:var(--gold); }
  .stat-row div span{ font-size:12px; color:var(--muted); text-transform:uppercase; letter-spacing:1px; }

  /* ---------- RATINGS ---------- */
  .rating-summary{
    display:flex; align-items:center; gap:24px; margin-bottom:44px; flex-wrap:wrap;
  }
  .rating-score{ font-family:var(--font-display); font-size:64px; color:var(--gold); }
  .stars{ display:inline-flex; gap:4px; }
  .star{ position:relative; width:20px; height:20px; }
  .star svg{ position:absolute; inset:0; }
  .star .bg{ fill:none; stroke:var(--line); stroke-width:1; }
  .star .fill-wrap{ position:absolute; inset:0; overflow:hidden; width:0%; transition:width 1.1s cubic-bezier(.2,.9,.3,1); }
  .stars.big .star{ width:26px; height:26px; }
  .review-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
  @media (max-width:860px){ .review-grid{grid-template-columns:1fr;} }
  .review-card{ background:var(--surface); border:1px solid var(--line); border-radius:6px; padding:22px; }
  .review-card .stars{ margin-bottom:14px; }
  .review-card p{ color:var(--text); font-size:14.5px; margin-bottom:16px; }
  .review-name{ font-family:var(--font-mono); font-size:12px; color:var(--muted); }

  /* ---------- FOOTER ---------- */
  footer{ border-top:1px solid var(--line); padding:60px 0 30px; }
  .footer-grid{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; margin-bottom:40px; }
  @media (max-width:780px){ .footer-grid{grid-template-columns:1fr 1fr;} }
  .footer-grid h5{ font-family:var(--font-mono); font-size:12px; letter-spacing:1px; text-transform:uppercase; color:var(--gold); margin-bottom:14px;}
  .footer-grid a{ display:block; color:var(--muted); font-size:13.5px; margin-bottom:10px; }
  .footer-grid a:hover{ color:var(--text); }
  .newsletter{ display:flex; margin-top:16px; max-width:320px; }
  .newsletter input{
    flex:1; background:var(--surface); border:1px solid var(--line); border-right:none; color:var(--text);
    padding:12px; font-family:var(--font-mono); font-size:12px; border-radius:3px 0 0 3px;
  }
  .newsletter button{
    background:var(--accent); border:none; color:#fff; padding:0 16px; cursor:pointer; border-radius:0 3px 3px 0;
    font-family:var(--font-mono); font-size:12px;
  }
  .foot-bottom{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; color:var(--muted); font-size:12px; font-family:var(--font-mono); border-top:1px solid var(--line); padding-top:24px; }

  /* ---------- CHATBOT ---------- */
  #chatToggle{
    position:fixed; bottom:26px; right:26px; z-index:300;
    width:60px; height:60px; border-radius:50%; background:var(--accent); border:none; cursor:pointer;
    display:flex; align-items:center; justify-content:center; box-shadow:0 8px 24px rgba(228,34,43,0.4);
    animation:chat-bounce 3s ease-in-out infinite;
  }
  @keyframes chat-bounce{
    0%,100%{ transform:translateY(0); }
    50%{ transform:translateY(-8px); }
  }
  #chatToggle svg{ width:26px; height:26px; fill:#fff; }
  #chatPanel{
    position:fixed; bottom:98px; right:26px; z-index:300; width:320px; max-height:440px;
    background:var(--surface); border:1px solid var(--line); border-radius:10px; overflow:hidden;
    display:flex; flex-direction:column; box-shadow:0 20px 50px rgba(0,0,0,0.5);
    transform:scale(0.9) translateY(20px); opacity:0; pointer-events:none;
    transition:all .3s cubic-bezier(.2,.9,.3,1);
  }
  #chatPanel.open{ transform:scale(1) translateY(0); opacity:1; pointer-events:auto; }
  .chat-head{ background:var(--accent); padding:14px 16px; font-family:var(--font-mono); font-size:13px; display:flex; justify-content:space-between; align-items:center; }
  .chat-head span{ display:flex; align-items:center; gap:8px; }
  .dot-online{ width:8px;height:8px;border-radius:50%; background:#5cff8a; }
  .chat-close{ background:none; border:none; color:#fff; cursor:pointer; font-size:16px; }
  .chat-body{ flex:1; overflow-y:auto; padding:14px; display:flex; flex-direction:column; gap:10px; font-size:13px; }
  .msg{ padding:10px 12px; border-radius:10px; max-width:82%; line-height:1.4; }
  .msg.bot{ background:var(--surface-2); align-self:flex-start; border-bottom-left-radius:2px; }
  .msg.user{ background:var(--accent); color:#fff; align-self:flex-end; border-bottom-right-radius:2px; }
  .typing{ display:flex; gap:4px; padding:12px; align-self:flex-start; }
  .typing span{ width:6px;height:6px;border-radius:50%; background:var(--muted); animation:typing-blink 1.2s infinite; }
  .typing span:nth-child(2){ animation-delay:.2s; }
  .typing span:nth-child(3){ animation-delay:.4s; }
  @keyframes typing-blink{ 0%,80%,100%{opacity:.2;} 40%{opacity:1;} }
  .chat-quick{ display:flex; flex-wrap:wrap; gap:6px; padding:0 14px 10px; }
  .chat-quick button{
    background:var(--surface-2); border:1px solid var(--line); color:var(--muted); font-size:11px;
    padding:6px 10px; border-radius:999px; cursor:pointer; font-family:var(--font-mono);
  }
  .chat-quick button:hover{ color:var(--gold); border-color:var(--gold); }
  .chat-input{ display:flex; border-top:1px solid var(--line); }
  .chat-input input{ flex:1; background:transparent; border:none; padding:12px; color:var(--text); font-size:13px; }
  .chat-input input:focus{ outline:none; }
  .chat-input button{ background:none; border:none; color:var(--gold); padding:0 14px; cursor:pointer; font-weight:700; }

  /* toast */
  #toast{
    position:fixed; bottom:26px; left:50%; transform:translate(-50%, 20px); z-index:400;
    background:var(--gold); color:#0b0b0c; font-family:var(--font-mono); font-size:12.5px;
    padding:12px 20px; border-radius:6px; opacity:0; pointer-events:none; transition:all .35s ease;
  }
  #toast.show{ opacity:1; transform:translate(-50%, 0); }