*{margin:0;padding:0;box-sizing:border-box}
:root{
  --neon:#00D4FF;
  --electric:#6C5CE7;
  --dark:#0A0A0F;
  --surface:#12121A;
  --card:#16161F;
  --text:#E8E8EC;
  --muted:#6B6B80;
  --accent:#00D4FF;
  --green:#00E676;
  --border:rgba(0,212,255,0.08);
  --glow:0 0 20px rgba(0,212,255,0.15);
}
body{font-family:'Space Grotesk',sans-serif;background:var(--dark);color:var(--text)}

/* GRID BG */
.tech-grid{position:fixed;inset:0;opacity:0.03;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(0,212,255,0.3) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,0.3) 1px,transparent 1px);
  background-size:60px 60px}

/* NAV */
nav{position:fixed;top:0;width:100%;z-index:100;padding:0.75rem 2.5rem;display:flex;justify-content:space-between;align-items:center;background:rgba(10,10,15,0.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.logo{font-family:'Syne',sans-serif;color:var(--neon);font-size:1.3rem;font-weight:700;letter-spacing:1px;text-decoration:none;display:flex;align-items:center;gap:0.5rem}
.logo-dot{width:8px;height:8px;background:var(--neon);border-radius:50%;box-shadow:0 0 10px var(--neon);animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%,100%{opacity:1;box-shadow:0 0 10px var(--neon)}50%{opacity:0.5;box-shadow:0 0 20px var(--neon)}}
.nav-links{display:flex;gap:2rem}
.nav-links a{color:var(--muted);text-decoration:none;font-size:0.78rem;letter-spacing:1.5px;text-transform:uppercase;transition:all 0.3s;font-weight:500;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--neon)}
.nav-links a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--neon);border-radius:1px;box-shadow:0 0 8px var(--neon)}

/* HERO */
.hero{height:100vh;position:relative;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:4rem 3rem;background:var(--dark);overflow:hidden}
.hero::before{content:'';position:absolute;top:-20%;left:50%;transform:translateX(-50%);width:800px;height:800px;background:radial-gradient(circle,rgba(0,212,255,0.06) 0%,rgba(108,92,231,0.03) 40%,transparent 70%);pointer-events:none}
.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:200px;background:linear-gradient(to top,var(--dark),transparent);pointer-events:none;z-index:1}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(10,10,15,0.3) 0%,rgba(10,10,15,0.7) 60%,rgba(10,10,15,0.95) 100%)}
.hero-content{position:relative;z-index:2;max-width:800px}
.hero-chip{display:inline-flex;align-items:center;gap:0.5rem;background:rgba(0,212,255,0.08);border:1px solid rgba(0,212,255,0.15);border-radius:100px;padding:0.4rem 1.2rem 0.4rem 0.6rem;margin-bottom:2rem;color:var(--neon);font-size:0.72rem;letter-spacing:1px;text-transform:uppercase;font-weight:500}
.hero-chip .chip-dot{width:6px;height:6px;background:var(--green);border-radius:50%;box-shadow:0 0 6px var(--green)}
.hero-eyebrow{color:var(--neon);font-size:0.7rem;letter-spacing:5px;text-transform:uppercase;margin-bottom:1.5rem;font-weight:500}
.hero-title{font-family:'Syne',sans-serif;font-size:clamp(2.5rem,6vw,5rem);color:var(--text);line-height:1.1;margin-bottom:1.5rem;font-weight:700}
.hero-title .gradient{background:linear-gradient(135deg,var(--neon),var(--electric));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{color:var(--muted);font-size:0.95rem;max-width:520px;margin:0 auto 2.5rem;line-height:1.8;font-weight:400}
.hero-cta{display:inline-flex;align-items:center;gap:0.6rem;background:var(--neon);color:var(--dark);padding:0.85rem 2rem;border-radius:8px;font-size:0.82rem;letter-spacing:1px;text-transform:uppercase;font-weight:600;text-decoration:none;transition:all 0.3s;box-shadow:0 0 20px rgba(0,212,255,0.2)}
.hero-cta:hover{box-shadow:0 0 40px rgba(0,212,255,0.4);transform:translateY(-2px)}
.hero-cta svg{width:16px;height:16px}
.scroll-hint{position:absolute;bottom:2.5rem;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:0.5rem;color:var(--muted);font-size:0.65rem;letter-spacing:3px;z-index:2}
.scroll-line{width:1px;height:50px;background:linear-gradient(to bottom,transparent,var(--neon));animation:sa 2.5s ease-in-out infinite}
@keyframes sa{0%,100%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}}

/* CATEGORIES */
.section{padding:6rem 3rem;background:var(--surface);position:relative}
.section::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--neon),transparent);opacity:0.2}
.section-header{text-align:center;margin-bottom:4rem}
.section-label{color:var(--neon);font-size:0.7rem;letter-spacing:5px;text-transform:uppercase;margin-bottom:1rem;font-weight:500}
.section-title{font-family:'Syne',sans-serif;font-size:2.5rem;color:var(--text);font-weight:700}
.section-line{width:60px;height:2px;background:linear-gradient(90deg,var(--neon),var(--electric));margin:1rem auto 0;border-radius:1px;box-shadow:0 0 10px rgba(0,212,255,0.3)}
.categories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem;max-width:1200px;margin:0 auto}
.cat-card{background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden;text-decoration:none;color:inherit;transition:all 0.4s;position:relative;display:block}
.cat-card::before{content:'';position:absolute;inset:-1px;border-radius:12px;background:linear-gradient(135deg,var(--neon),var(--electric));opacity:0;transition:opacity 0.4s;z-index:0}
.cat-card::after{content:'';position:absolute;inset:0;border-radius:11px;background:var(--card);z-index:0}
.cat-card:hover::before{opacity:1}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--glow)}
.cat-card>*{position:relative;z-index:1}
.cat-img{height:180px;display:flex;align-items:center;justify-content:center;font-size:4rem;background:linear-gradient(135deg,rgba(0,212,255,0.03),rgba(108,92,231,0.03));border-radius:12px 12px 0 0}
.cat-body{padding:1.25rem}
.cat-name{font-family:'Syne',sans-serif;font-size:1.15rem;margin-bottom:0.3rem;font-weight:600;color:var(--text)}
.cat-count{color:var(--muted);font-size:0.75rem;font-weight:400}
.cat-arrow{position:absolute;bottom:1.25rem;right:1.25rem;color:var(--neon);font-size:1rem;opacity:0;transition:all 0.3s;transform:translateX(-5px);z-index:1}
.cat-card:hover .cat-arrow{opacity:1;transform:translateX(0)}

/* PRODUCTS PAGE */
.products-page{padding-top:5rem;background:var(--surface);min-height:100vh}
.back-btn{display:inline-flex;align-items:center;gap:0.5rem;color:var(--neon);text-decoration:none;font-size:0.8rem;letter-spacing:1.5px;text-transform:uppercase;margin:2rem 3rem;padding:0.5rem 0;transition:gap 0.2s;font-weight:500}
.back-btn:hover{gap:0.75rem}
.products-header{padding:0 3rem 2rem;border-bottom:1px solid var(--border);margin-bottom:3rem}
.products-category{color:var(--neon);font-size:0.7rem;letter-spacing:4px;text-transform:uppercase;margin-bottom:0.5rem;font-weight:500}
.products-title{font-family:'Syne',sans-serif;font-size:2.2rem;color:var(--text);font-weight:700}
.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem;padding:0 3rem 5rem;max-width:1200px}
.product-card{background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:all 0.4s;position:relative}
.product-card:hover{box-shadow:var(--glow);transform:translateY(-3px);border-color:rgba(0,212,255,0.2)}
.product-img{height:230px;display:flex;align-items:center;justify-content:center;font-size:4rem;background:linear-gradient(135deg,rgba(0,212,255,0.04),rgba(108,92,231,0.04));position:relative}
.product-badge{position:absolute;top:1rem;left:1rem;background:rgba(0,212,255,0.12);color:var(--neon);font-size:0.65rem;padding:0.3rem 0.75rem;border-radius:100px;font-weight:600;letter-spacing:1px;border:1px solid rgba(0,212,255,0.2);text-transform:uppercase}
.product-badge.oos{background:rgba(255,69,58,0.12);color:#FF453A;border-color:rgba(255,69,58,0.2)}
.product-body{padding:1.25rem}
.product-name{font-family:'Syne',sans-serif;font-size:1.05rem;color:var(--text);margin-bottom:0.4rem;font-weight:600}
.product-desc{color:var(--muted);font-size:0.8rem;margin-bottom:1.2rem;line-height:1.6}
.product-footer{display:flex;justify-content:space-between;align-items:center}
.product-price{font-size:1.25rem;font-weight:700;color:var(--text)}
.product-price span{font-size:0.8rem;color:var(--muted);font-weight:400}
.product-btn{background:rgba(0,212,255,0.1);color:var(--neon);border:1px solid rgba(0,212,255,0.2);padding:0.5rem 1rem;border-radius:6px;font-size:0.72rem;cursor:pointer;letter-spacing:1px;text-decoration:none;transition:all 0.3s;display:inline-block;text-transform:uppercase;font-weight:600}
.product-btn:hover{background:var(--neon);color:var(--dark);box-shadow:0 0 15px rgba(0,212,255,0.3)}

/* CONTACT */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;min-height:100vh;padding-top:5rem}
.contact-img-side{background:linear-gradient(135deg,#0D0D14,#12121A);display:flex;align-items:center;justify-content:center;font-size:8rem;position:relative;overflow:hidden}
.contact-img-side::before{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:300px;height:300px;background:radial-gradient(circle,rgba(0,212,255,0.08),transparent 70%);pointer-events:none}
.contact-info-side{padding:4.5rem;background:var(--dark);display:flex;flex-direction:column;justify-content:center;position:relative}
.contact-eyebrow{color:var(--neon);font-size:0.7rem;letter-spacing:5px;text-transform:uppercase;margin-bottom:1rem;font-weight:500}
.contact-title{font-family:'Syne',sans-serif;font-size:2.5rem;color:var(--text);margin-bottom:0.75rem;font-weight:700}
.contact-subtitle{color:var(--muted);font-size:0.85rem;margin-bottom:3rem;font-weight:400;line-height:1.8}
.contact-item{display:flex;align-items:flex-start;gap:1.25rem;margin-bottom:1.75rem}
.contact-icon{width:44px;height:44px;background:rgba(0,212,255,0.06);border:1px solid rgba(0,212,255,0.12);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}
.contact-label{color:var(--neon);font-size:0.65rem;letter-spacing:3px;text-transform:uppercase;margin-bottom:0.3rem;font-weight:500}
.contact-value{color:var(--text);font-size:0.88rem;font-weight:400}
.social-row{display:flex;gap:0.75rem;margin-top:2.5rem;flex-wrap:wrap}
.social-btn{padding:0.65rem 1.4rem;border:1px solid rgba(0,212,255,0.15);border-radius:6px;color:var(--muted);font-size:0.72rem;letter-spacing:1.5px;cursor:pointer;transition:all 0.3s;background:transparent;text-decoration:none;display:inline-block;text-transform:uppercase;font-weight:500}
.social-btn:hover{border-color:var(--neon);color:var(--neon);background:rgba(0,212,255,0.05);box-shadow:0 0 15px rgba(0,212,255,0.1)}

/* FOOTER */
footer{background:var(--dark);color:var(--muted);text-align:center;padding:2.5rem;font-size:0.78rem;letter-spacing:1px;border-top:1px solid var(--border)}

/* MOBILE */
@media(max-width:768px){
  .hero{padding:2rem 1.5rem}
  .section{padding:4rem 1.5rem}
  .products-grid{padding:0 1.5rem 3rem;grid-template-columns:1fr 1fr}
  .products-header{padding:0 1.5rem 1.5rem}
  .back-btn{margin:1.5rem}
  .contact-wrap{grid-template-columns:1fr}
  .contact-img-side{height:280px}
  .contact-info-side{padding:2.5rem 1.5rem}
  nav{padding:0.75rem 1.5rem}
}
@media(max-width:480px){
  .products-grid{grid-template-columns:1fr}
  .categories-grid{grid-template-columns:1fr 1fr}
}