:root{
    --bg:#0B0F19;
    --surface:#131A2A;
    --surface-2:#1B2436;
    --accent:#00D9C0;
    --accent-2:#FF6B4A;
    --text:#F5F7FA;
    --muted:#8B93A7;
    --line: rgba(245,247,250,0.08);
    --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
    --font-body: 'Inter', 'Segoe UI', sans-serif;
  }
  @import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&display=swap');

  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg);
    color:var(--text);
    font-family:var(--font-body);
    line-height:1.6;
    overflow-x:hidden;
  }
  h1,h2,h3,.logo{font-family:var(--font-display);}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  .container{max-width:1180px;margin:0 auto;padding:0 24px;}
  .skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:#0B0F19;padding:10px 16px;z-index:999;}
  .skip-link:focus{left:16px;top:16px;}

  /* Header */
  header{
    position:sticky;top:0;z-index:50;
    background:rgba(11,15,25,0.85);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0;}
  .logo{font-size:1.4rem;font-weight:700;display:flex;align-items:center;gap:8px;}
  .logo-mark{width:22px;height:22px;border-radius:50%;background:conic-gradient(from 90deg,var(--accent),var(--accent-2),var(--accent));}
  .nav-links{display:flex;gap:32px;list-style:none;font-size:0.95rem;color:var(--muted);}
  .nav-links a:hover{color:var(--accent);}
  .nav-cta{background:var(--accent);color:#0B0F19;padding:10px 20px;border-radius:8px;font-weight:600;font-size:0.9rem;}

  /* Hero */
  .hero{position:relative;padding:110px 0 100px;overflow:hidden;}
  .hero-flow{position:absolute;inset:0;opacity:0.5;pointer-events:none;}
  .hero-content{position:relative;max-width:720px;}
  .eyebrow{color:var(--accent);font-weight:600;letter-spacing:0.08em;text-transform:uppercase;font-size:0.8rem;margin-bottom:18px;display:inline-block;}
  h1{font-size:clamp(2.4rem,5vw,3.8rem);font-weight:700;line-height:1.08;margin-bottom:22px;}
  h1 span{color:var(--accent);}
  .hero p{color:var(--muted);font-size:1.15rem;max-width:560px;margin-bottom:36px;}
  .hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
  .btn-primary{background:var(--accent);color:#0B0F19;padding:15px 28px;border-radius:10px;font-weight:600;transition:transform .2s;}
  .btn-primary:hover{transform:translateY(-2px);}
  .btn-secondary{border:1px solid var(--line);padding:15px 28px;border-radius:10px;font-weight:600;color:var(--text);transition:border-color .2s;}
  .btn-secondary:hover{border-color:var(--accent);}
  .hero-stats{display:flex;gap:48px;margin-top:64px;flex-wrap:wrap;}
  .stat b{font-size:2rem;display:block;font-family:var(--font-display);}
  .stat span{color:var(--muted);font-size:0.85rem;}

  /* Sections */
  section{padding:90px 0;}
  .section-head{max-width:600px;margin-bottom:56px;}
  .section-head .eyebrow{margin-bottom:12px;}
  h2{font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:700;margin-bottom:16px;}
  .section-head p{color:var(--muted);font-size:1.05rem;}

  /* Categories */
  .cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .cat-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:16px;
    overflow:hidden;
    transition:transform .25s, border-color .25s;
  }
  .cat-card:hover{transform:translateY(-6px);border-color:var(--accent);}
  .cat-img{aspect-ratio:4/3;overflow:hidden;}
  .cat-img img{width:100%;height:100%;object-fit:cover;}
  .cat-body{padding:22px;}
  .cat-body h3{font-size:1.1rem;margin-bottom:8px;}
  .cat-body p{color:var(--muted);font-size:0.9rem;}

  /* Products */
  .prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .prod-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;}
  .prod-img{aspect-ratio:1;overflow:hidden;background:var(--surface-2);}
  .prod-img img{width:100%;height:100%;object-fit:cover;}
  .prod-body{padding:18px;}
  .prod-tag{color:var(--accent);font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;}
  .prod-body h3{font-size:1rem;margin:8px 0 6px;font-family:var(--font-body);font-weight:600;}
  .prod-price{color:var(--muted);font-size:0.9rem;}

  /* Why us */
  .why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
  .why-card{border-top:2px solid var(--accent);padding-top:20px;}
  .why-card h3{font-size:1.15rem;margin-bottom:10px;}
  .why-card p{color:var(--muted);font-size:0.95rem;}

  /* FAQ */
  .faq-item{border-bottom:1px solid var(--line);padding:22px 0;}
  .faq-item h3{font-size:1.05rem;margin-bottom:10px;}
  .faq-item p{color:var(--muted);}

  /* Newsletter */
  .newsletter{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:56px;text-align:center;}
  .newsletter h2{margin-bottom:12px;}
  .newsletter p{color:var(--muted);margin-bottom:28px;}
  .nl-form{display:flex;gap:12px;max-width:440px;margin:0 auto;}
  .nl-form input{flex:1;padding:14px 16px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--text);}
  .nl-form button{background:var(--accent);color:#0B0F19;border:none;padding:14px 24px;border-radius:10px;font-weight:600;cursor:pointer;}

  footer{border-top:1px solid var(--line);padding:56px 0 32px;color:var(--muted);}
  .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}
  .footer-grid h4{color:var(--text);font-size:0.95rem;margin-bottom:16px;}
  .footer-grid ul{list-style:none;font-size:0.9rem;}
  .footer-grid li{margin-bottom:10px;}
  .footer-grid a:hover{color:var(--accent);}
  .footer-bottom{border-top:1px solid var(--line);padding-top:24px;font-size:0.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;}

  @media (max-width:900px){
    .nav-links{display:none;}
    .cat-grid,.prod-grid{grid-template-columns:repeat(2,1fr);}
    .why-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .newsletter{padding:32px 20px;}
    .nl-form{flex-direction:column;}
  }
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{transition:none !important;}
  }