:root{
    --black:#080808;
    --charcoal:#121214;
    --charcoal-2:#1a1a1d;
    --white:#F8F8F8;
    --gold:#C9A35B;
    --gold-soft:rgba(201,163,91,.35);
    --emerald:#00B26B;
    --purple:#7A3DFF;
    --line:rgba(248,248,248,.08);
    --muted:rgba(248,248,248,.55);
    --ease:cubic-bezier(.16,1,.3,1);
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--black);
    color:var(--white);
    font-family:'Inter',sans-serif;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }
  ::selection{background:var(--gold);color:var(--black);}
  h1,h2,h3,.display{font-family:'Unbounded',sans-serif;}
  .mono{font-family:'JetBrains Mono',monospace;}
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;}
  button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; scroll-behavior:auto !important;}
  }

  /* ---------- Loader ---------- */
  #loader{
    position:fixed;inset:0;z-index:999;background:var(--black);
    display:flex;align-items:center;justify-content:center;
    transition:opacity .8s var(--ease), visibility .8s var(--ease);
  }
  #loader.hide{opacity:0;visibility:hidden;pointer-events:none;}
  .loader-mark{
    position:relative;padding-bottom:18px;
  }
  .loader-mark img{height:26px;width:auto;display:block;}
  @media (max-width:640px){
    .loader-mark img{height:22px;}
  }
  .loader-mark::after{
    content:'';position:absolute;left:0;bottom:0;height:1px;width:100%;
    background:linear-gradient(90deg,transparent,var(--gold),transparent);
    animation:loadsweep 1.4s var(--ease) infinite;
  }
  @keyframes loadsweep{0%{transform:scaleX(0);transform-origin:left;}50%{transform:scaleX(1);transform-origin:left;}50.01%{transform-origin:right;}100%{transform:scaleX(0);transform-origin:right;}}

  /* ---------- Focus visibility ---------- */
  a:focus-visible, button:focus-visible{outline:2px solid var(--gold);outline-offset:4px;border-radius:2px;}

  /* ---------- Nav ---------- */
  header.nav{
    position:fixed;top:0;left:0;right:0;z-index:100;
    display:flex;align-items:center;justify-content:space-between;
    padding:26px 5vw;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:background .5s var(--ease), border-color .5s var(--ease), padding .5s var(--ease);
  }
  header.nav.scrolled{
    background:rgba(8,8,8,.85);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    padding:16px 5vw;
  }
  .logo{font-family:'Unbounded',sans-serif;font-weight:800;font-size:18px;letter-spacing:.3em;}
  .logo span{color:var(--gold);}
  .logo-img{height:28px;width:auto;display:block;}
  .footer-col .logo-img{height:36px;}
  @media (max-width:640px){
    .logo-img{height:22px;}
    .footer-col .logo-img{height:28px;}
  }
  nav.links{display:flex;gap:38px;font-size:13px;letter-spacing:.03em;color:var(--muted);}
  nav.links a{position:relative;padding-bottom:4px;transition:color .3s;}
  nav.links a::after{
    content:'';position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);
    transition:width .35s var(--ease);
  }
  nav.links a:hover{color:var(--white);}
  nav.links a:hover::after{width:100%;}
  .nav-cart{font-size:13px;letter-spacing:.05em;display:flex;align-items:center;gap:8px;color:var(--white);}
  .cart-dot{width:6px;height:6px;border-radius:50%;background:var(--gold);}
  .nav-toggle{display:none;background:none;border:none;color:var(--white);font-size:22px;}

  @media (max-width:860px){
    nav.links{
      display:flex;
      position:fixed;
      top:0;left:0;right:0;bottom:0;
      background:rgba(8,8,8,.98);
      backdrop-filter:blur(20px);
      -webkit-backdrop-filter:blur(20px);
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:34px;
      font-size:1.3rem;
      z-index:150;
      opacity:0;
      visibility:hidden;
      pointer-events:none;
      transition:opacity .4s var(--ease), visibility .4s var(--ease);
    }
    nav.links.open{
      opacity:1;
      visibility:visible;
      pointer-events:auto;
    }
    .nav-toggle{display:block;position:relative;z-index:160;}
  }

  /* ---------- Hero ---------- */
  .hero{
    position:relative;min-height:100vh;display:flex;flex-direction:column;
    align-items:center;justify-content:center;text-align:center;
    overflow:hidden;padding:120px 20px 60px;
  }
  #particles{position:absolute;inset:0;z-index:0;opacity:.55;}
  .hero-glow{
    position:absolute;top:-20%;left:50%;transform:translateX(-50%);
    width:120vw;height:70vh;border-radius:50%;
    background:radial-gradient(ellipse at center, rgba(201,163,91,.14), transparent 65%);
    filter:blur(10px);pointer-events:none;
  }
  .carbon-bg{
    position:absolute;inset:0;z-index:0;
    background:
      radial-gradient(circle at 20% 30%, rgba(255,255,255,.04), transparent 40%),
      radial-gradient(circle at 80% 70%, rgba(122,61,255,.06), transparent 45%),
      repeating-linear-gradient(45deg, #0a0a0a 0px, #0a0a0a 2px, #0d0d0d 2px, #0d0d0d 4px);
    opacity:.7;
  }
  .lightsweep{
    position:absolute;top:0;left:-30%;width:30%;height:100%;
    background:linear-gradient(100deg, transparent, rgba(248,248,248,.05), transparent);
    animation:sweep 8s linear infinite;
  }
  @keyframes sweep{0%{left:-30%;}100%{left:130%;}}

  .paddle-stage{
    position:relative;z-index:2;perspective:1400px;margin-bottom:8px;
    width:min(260px,52vw);
  }
  .paddle-stage-glow{
    position:absolute;left:50%;top:55%;transform:translate(-50%,-50%);
    width:140%;height:70%;border-radius:50%;
    background:radial-gradient(ellipse at center, rgba(201,163,91,.35), transparent 70%);
    filter:blur(30px);z-index:0;
    animation:glowPulse 4.5s ease-in-out infinite;
  }
  @keyframes glowPulse{0%,100%{opacity:.6;}50%{opacity:1;}}
  .hero-paddle-img{
    position:relative;z-index:1;width:100%;display:block;
    filter:drop-shadow(0 45px 70px rgba(0,0,0,.75));
    transform-style:preserve-3d;
    animation:paddleFloat 8s ease-in-out infinite;
  }
  @keyframes paddleFloat{
    0%,100%{transform:translateY(0) rotateY(-12deg) rotateX(3deg);}
    50%{transform:translateY(-16px) rotateY(12deg) rotateX(-2deg);}
  }


  .eyebrow{
    font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.35em;
    color:var(--gold);text-transform:uppercase;margin-bottom:22px;position:relative;z-index:2;
  }
  h1.hero-title{
    font-size:clamp(2.6rem,7vw,6.2rem);line-height:.98;font-weight:800;
    letter-spacing:-.01em;position:relative;z-index:2;max-width:1200px;
  }
  h1.hero-title em{font-style:normal;color:var(--gold);}
  .hero-sub{
    margin-top:26px;font-size:clamp(1rem,1.6vw,1.25rem);color:var(--muted);
    max-width:560px;position:relative;z-index:2;font-weight:300;
  }
  .hero-buttons{display:flex;gap:18px;margin-top:44px;position:relative;z-index:2;flex-wrap:wrap;justify-content:center;}
  .btn{
    padding:16px 36px;border-radius:100px;font-size:13px;letter-spacing:.12em;
    text-transform:uppercase;font-weight:600;position:relative;overflow:hidden;
    transition:transform .35s var(--ease), box-shadow .35s var(--ease);
    display:inline-block;
  }
  .btn-primary{background:var(--gold);color:var(--black);}
  .btn-primary:hover{box-shadow:0 0 40px var(--gold-soft);transform:translateY(-2px);}
  .btn-outline{border:1px solid rgba(248,248,248,.25);color:var(--white);}
  .btn-outline:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px);}
  .btn-emerald{background:var(--emerald);color:#04140d;}
  .btn-emerald:hover{box-shadow:0 0 40px rgba(0,178,107,.35);transform:translateY(-2px);}
  .btn-purple{background:var(--purple);color:#0d0620;}
  .btn-purple:hover{box-shadow:0 0 40px rgba(122,61,255,.4);transform:translateY(-2px);}

  .hero-trust{
    margin-top:60px;font-size:11px;letter-spacing:.15em;text-transform:uppercase;
    color:rgba(248,248,248,.35);position:relative;z-index:2;
  }
  .scroll-cue{
    position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:2;
    width:1px;height:50px;background:linear-gradient(var(--gold),transparent);
    animation:cue 2s ease-in-out infinite;
  }
  @keyframes cue{0%,100%{opacity:.2;}50%{opacity:1;}}

  /* ---------- Reveal utility ---------- */
  .reveal{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease), transform .9s var(--ease);}
  .reveal.in{opacity:1;transform:translateY(0);}

  /* ---------- Section shell ---------- */
  section{padding:160px 5vw;position:relative;}
  .section-tight{padding-top:100px;padding-bottom:100px;}

  /* ---------- Philosophy ---------- */
  .philosophy{
    text-align:center;background:
      radial-gradient(ellipse at 50% 0%, rgba(201,163,91,.08), transparent 60%);
  }
  .phil-line{
    font-size:clamp(1.8rem,5vw,4rem);font-weight:300;line-height:1.15;
    color:rgba(248,248,248,.35);max-width:1000px;margin:0 auto;
  }
  .phil-line strong{
    display:block;font-weight:800;color:var(--white);margin:.3em 0;
    font-family:'Unbounded',sans-serif;font-size:.9em;
  }
  .phil-body{
    margin:44px auto 0;max-width:620px;color:var(--muted);font-size:1.05rem;
    font-weight:300;line-height:1.7;
  }

  /* ---------- Product cards ---------- */
  .product{
    min-height:92vh;display:grid;grid-template-columns:1fr 1fr;gap:60px;
    align-items:center;border-top:1px solid var(--line);
  }
  @media (max-width:900px){.product{grid-template-columns:1fr;text-align:center;}}
  .product-visual{
    position:relative;display:flex;align-items:center;justify-content:center;
    min-height:420px;border-radius:28px;overflow:hidden;
    background:var(--charcoal);
    border:1px solid var(--line);
  }
  .product-visual .glow{
    position:absolute;width:70%;height:70%;border-radius:50%;filter:blur(60px);opacity:.55;
    transition:opacity .5s var(--ease);
  }
  .product.surge .glow{background:var(--emerald);}
  .product.purple .glow{background:var(--purple);}
  .product.apex .glow{background:var(--gold);}
  .product-visual:hover .glow{opacity:.85;}
  .mini-paddle{
    position:relative;z-index:2;width:150px;height:210px;border-radius:44% 44% 38% 38%/32% 32% 24% 24%;
    background:linear-gradient(150deg,#1c1c1e,#0a0a0a);
    border:1px solid rgba(248,248,248,.12);
    transition:transform .6s var(--ease);
  }
  .product-visual:hover .mini-paddle{transform:translateY(-8px) rotate(-4deg);}
  .product-photo{
    position:relative;z-index:1;width:100%;height:100%;object-fit:cover;
    display:block;transition:transform .6s var(--ease);
  }
  .product-visual:hover .product-photo{transform:scale(1.03);}
  .badge{
    display:inline-block;font-family:'JetBrains Mono',monospace;font-size:11px;
    letter-spacing:.2em;text-transform:uppercase;padding:6px 14px;border-radius:100px;
    border:1px solid var(--line);color:var(--muted);margin-bottom:20px;
  }
  .product.surge .badge{border-color:rgba(0,178,107,.4);color:var(--emerald);}
  .product.purple .badge{border-color:rgba(122,61,255,.4);color:#b79bff;}
  .product.apex .badge{border-color:rgba(201,163,91,.4);color:var(--gold);}
  .product h3{font-size:clamp(2.4rem,5vw,3.6rem);font-weight:800;line-height:1;margin-bottom:10px;}
  .product .tagline{font-weight:300;color:var(--muted);font-size:1.2rem;margin-bottom:22px;}
  .product .tagline strong{display:block;font-weight:600;color:var(--white);}
  .product .desc{color:var(--muted);font-weight:300;line-height:1.7;max-width:480px;margin-bottom:26px;}
  @media (max-width:900px){.product .desc{margin-left:auto;margin-right:auto;}}
  .highlights{list-style:none;display:flex;flex-direction:column;gap:12px;margin-bottom:34px;}
  .highlights li{font-size:.95rem;color:rgba(248,248,248,.75);display:flex;gap:10px;align-items:baseline;}
  @media (max-width:900px){.highlights li{justify-content:center;}}
  .highlights li::before{content:'—';color:var(--gold);}
  .product.surge .highlights li::before{color:var(--emerald);}
  .product.purple .highlights li::before{color:#b79bff;}

  /* ---------- Tech section ---------- */
  .tech{background:var(--charcoal);}
  .tech-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:70px;
    background:var(--line);border-radius:20px;overflow:hidden;
  }
  @media (max-width:900px){.tech-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:520px){.tech-grid{grid-template-columns:1fr;}}
  .tech-card{
    background:var(--charcoal-2);padding:44px 30px;transition:background .4s var(--ease);
  }
  .tech-card:hover{background:#1f1f23;}
  .tech-icon{
    width:44px;height:44px;border-radius:50%;
    border:1px solid rgba(201,163,91,.35);
    display:flex;align-items:center;justify-content:center;
    margin-bottom:22px;color:var(--gold);
    transition:border-color .4s var(--ease), transform .4s var(--ease);
  }
  .tech-icon svg{width:20px;height:20px;}
  .tech-card:hover .tech-icon{border-color:var(--gold);transform:translateY(-2px);}
  .tech-num{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--gold);letter-spacing:.15em;margin-bottom:22px;display:block;}
  .tech-card h4{font-size:1.3rem;margin-bottom:18px;font-weight:600;}
  .tech-card ul{list-style:none;display:flex;flex-direction:column;gap:8px;}
  .tech-card li{font-size:.88rem;color:var(--muted);font-weight:300;}

  /* ---------- Comparison ---------- */
  .compare-table{width:100%;border-collapse:collapse;margin-top:60px;}
  .compare-table th,.compare-table td{padding:20px 16px;text-align:left;border-bottom:1px solid var(--line);}
  .compare-table th{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);font-weight:400;}
  .compare-table td:first-child, .compare-table th:first-child{color:var(--muted);font-size:.9rem;}
  .bar-wrap{display:flex;align-items:center;gap:12px;}
  .bar-track{flex:1;height:6px;border-radius:4px;background:rgba(248,248,248,.08);overflow:hidden;max-width:180px;}
  .bar-fill{height:100%;border-radius:4px;transform:scaleX(0);transform-origin:left;transition:transform 1.1s var(--ease);}
  .bar-fill.emerald{background:var(--emerald);}
  .bar-fill.gold{background:var(--gold);}
  .bar-pct{font-family:'JetBrains Mono',monospace;font-size:.8rem;color:var(--muted);width:36px;}
  .check{color:var(--emerald);}
  .check-double{color:var(--gold);}

  /* ---------- Why choose ---------- */
  .why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:70px;}
  @media (max-width:900px){.why-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:520px){.why-grid{grid-template-columns:1fr;}}

  /* ---------- Spec cards ---------- */
  .specs-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:70px;}
  @media (max-width:900px){.specs-grid{grid-template-columns:1fr;}}
  .spec-card{
    position:relative;background:var(--charcoal-2);border:1px solid var(--line);
    border-radius:24px;padding:44px;overflow:hidden;
  }
  .spec-card::before{
    content:'';position:absolute;top:0;left:0;right:0;height:3px;
  }
  .spec-card.surge::before{background:linear-gradient(90deg,var(--emerald),transparent);}
  .spec-card.apex::before{background:linear-gradient(90deg,var(--gold),transparent);}
  .spec-card-head{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:8px;}
  .spec-card h3{font-size:1.8rem;font-weight:800;}
  .spec-card .spec-badge{
    font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.12em;
    text-transform:uppercase;padding:5px 12px;border-radius:100px;border:1px solid var(--line);
    color:var(--muted);white-space:nowrap;
  }
  .spec-card.surge .spec-badge{border-color:rgba(0,178,107,.4);color:var(--emerald);}
  .spec-card.apex .spec-badge{border-color:rgba(201,163,91,.4);color:var(--gold);}
  .spec-card .spec-sub{color:var(--muted);font-size:.95rem;font-weight:300;margin-bottom:30px;}

  .spec-features{display:flex;flex-direction:column;gap:20px;margin-bottom:32px;}
  .spec-feature{padding-left:18px;border-left:2px solid var(--line);}
  .spec-card.surge .spec-feature{border-left-color:rgba(0,178,107,.35);}
  .spec-card.apex .spec-feature{border-left-color:rgba(201,163,91,.35);}
  .spec-feature .f-title{font-weight:600;font-size:.95rem;margin-bottom:4px;}
  .spec-feature .f-desc{color:var(--muted);font-size:.85rem;font-weight:300;line-height:1.6;}

  .spec-dims{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-radius:12px;overflow:hidden;margin-bottom:28px;}
  .spec-dim{background:var(--charcoal);padding:16px 18px;}
  .spec-dim .d-label{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:6px;}
  .spec-dim .d-val{font-family:'JetBrains Mono',monospace;font-size:.95rem;color:var(--white);}

  .spec-meta{display:flex;flex-direction:column;gap:10px;font-size:.85rem;color:rgba(248,248,248,.7);font-weight:300;}
  .spec-meta strong{color:var(--white);font-weight:600;}
  .why-card{
    padding:36px 26px;border-radius:20px;border:1px solid var(--line);
    background:linear-gradient(180deg, rgba(248,248,248,.02), transparent);
    transition:border-color .4s, transform .4s var(--ease);
  }
  .why-card:hover{border-color:var(--gold-soft);transform:translateY(-6px);}
  .why-card .n{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--gold);margin-bottom:24px;display:block;}
  .why-card h4{font-size:1.2rem;margin-bottom:10px;}
  .why-card p{color:var(--muted);font-size:.9rem;font-weight:300;line-height:1.6;}

  /* ---------- Lifestyle ---------- */
  .lifestyle{
    min-height:80vh;display:flex;align-items:flex-end;
    background:
      linear-gradient(180deg, rgba(8,8,8,0) 0%, rgba(8,8,8,.9) 100%),
      radial-gradient(ellipse at 70% 30%, rgba(201,163,91,.18), transparent 55%),
      linear-gradient(135deg, #1a1408 0%, #0a0a0a 60%);
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  }
  .lifestyle h2{
    font-size:clamp(2.2rem,6vw,5rem);font-weight:800;line-height:1.02;
  }
  .lifestyle h2 span{display:block;}
  .lifestyle h2 .gold{color:var(--gold);}

  /* ---------- Reviews ---------- */
  .reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:70px;}
  @media (max-width:900px){.reviews-grid{grid-template-columns:1fr;}}
  .review-card{
    padding:34px;border-radius:20px;background:var(--charcoal);border:1px solid var(--line);
  }
  .stars{color:var(--gold);letter-spacing:3px;margin-bottom:18px;font-size:.9rem;}
  .review-card p{font-weight:300;color:rgba(248,248,248,.85);line-height:1.7;font-size:1.02rem;}
  .review-card .who{margin-top:20px;font-family:'JetBrains Mono',monospace;font-size:.78rem;color:var(--muted);}

  /* ---------- CTA banner ---------- */
  .cta-banner{
    text-align:center;padding:140px 5vw;
    background:radial-gradient(ellipse at 50% 100%, rgba(201,163,91,.12), transparent 60%);
  }
  .cta-banner h2{font-size:clamp(2rem,5vw,3.6rem);margin-bottom:30px;font-weight:800;}

  /* ---------- Footer ---------- */
  footer{
    border-top:1px solid var(--line);padding:70px 5vw 34px;
  }
  .footer-top{
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:50px;margin-bottom:60px;
  }
  .footer-col h5{
    font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.15em;
    text-transform:uppercase;color:var(--muted);margin-bottom:18px;
  }
  .footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
  .footer-col a{font-size:.9rem;color:rgba(248,248,248,.7);transition:color .3s;}
  .footer-col a:hover{color:var(--gold);}
  .footer-bottom{
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;
    padding-top:30px;border-top:1px solid var(--line);
    font-size:.78rem;color:rgba(248,248,248,.35);
  }
  .social{display:flex;gap:18px;}

  /* ---------- Mobile sticky buy ---------- */
  .mobile-buy{
    position:fixed;bottom:0;left:0;right:0;z-index:90;display:none;
    padding:14px 20px;background:rgba(8,8,8,.92);backdrop-filter:blur(14px);
    border-top:1px solid var(--line);align-items:center;justify-content:space-between;
    transform:translateY(100%);transition:transform .4s var(--ease);
  }
  .mobile-buy.show{transform:translateY(0);}
  @media (max-width:640px){.mobile-buy{display:flex;}}
  .mobile-buy .price{font-family:'JetBrains Mono',monospace;font-size:.9rem;color:var(--gold);}