:root{
    --bg:#030713; --bg2:#07102a;
    --blue:#2f6bff; --blue-glow:rgba(47,107,255,.55);
    --cyan:#38d6ff; --cyan-glow:rgba(56,214,255,.45);
    --text:#e8efff; --muted:#8fa3cc; --line:rgba(120,160,255,.18);
    --glass:rgba(12,22,52,.55);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{background:var(--bg);color:var(--text);font-family:Inter,"Segoe UI",system-ui,-apple-system,Roboto,sans-serif;line-height:1.5;overflow-x:hidden;min-height:100vh}

  /* ---------- space background ---------- */
  .space{position:fixed;inset:0;z-index:-2;background:
    radial-gradient(1100px 700px at 78% 12%, rgba(47,107,255,.28), transparent 60%),
    radial-gradient(900px 700px at 8% 85%, rgba(56,214,255,.16), transparent 60%),
    radial-gradient(700px 500px at 50% 50%, rgba(80,60,200,.14), transparent 65%),
    linear-gradient(180deg,var(--bg2),var(--bg) 70%)}
  /* modern slim scrollbar: transparent track, blue glowing thumb */
  html{scrollbar-width:thin;scrollbar-color:#2f6bff transparent}
  ::-webkit-scrollbar{width:10px;height:10px}
  ::-webkit-scrollbar-track{background:transparent}
  ::-webkit-scrollbar-thumb{border-radius:999px;border:3px solid transparent;background:linear-gradient(180deg,#38d6ff,#2f6bff) padding-box;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
  ::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#7be4ff,#5a8bff) padding-box}
  .deep-logo{position:fixed;right:-10vw;bottom:-18vh;width:min(60vw,640px);aspect-ratio:1;z-index:-1;opacity:.08;filter:blur(3px) saturate(.8);pointer-events:none;
    background:url(logo-round.png) center/contain no-repeat;transition:transform .2s ease-out;animation:drift 16s ease-in-out infinite}
  .deep-floats{position:fixed;left:-9vw;top:16vh;width:min(60vw,900px);aspect-ratio:4/3;z-index:-1;opacity:.42;filter:blur(2.5px) saturate(.95);pointer-events:none;
    background:url(floats-bg.jpg) center/cover no-repeat;transition:transform .2s ease-out;animation:drift 20s ease-in-out infinite reverse;
    -webkit-mask-image:radial-gradient(closest-side,#000 30%,transparent 100%);mask-image:radial-gradient(closest-side,#000 30%,transparent 100%)}
  @keyframes drift{0%,100%{translate:0 0}50%{translate:0 -18px}}

  /* ---------- header ---------- */
  header{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:20px;padding:12px clamp(16px,4vw,48px);
    background:linear-gradient(180deg,rgba(3,7,19,.85),rgba(3,7,19,.35));backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  .brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:inherit}
  .brand img{width:58px;height:58px;filter:drop-shadow(0 0 14px var(--blue-glow))}
  .brand .t1{font-weight:800;letter-spacing:.18em;font-size:12px;color:var(--cyan)}
  .brand .t2{font-weight:700;font-size:15px;letter-spacing:.04em}
  nav{margin-left:auto;display:flex;align-items:center;gap:6px}
  nav a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:600;padding:8px 14px;border-radius:999px;transition:.2s}
  nav a{border:1px solid transparent}
  nav a.nav-grp{margin-left:22px;position:relative}
  nav a.nav-grp::before{content:"";position:absolute;left:-13px;top:22%;bottom:22%;width:1px;background:rgba(120,160,255,.35)}
  nav a:hover{color:var(--text);background:rgba(120,160,255,.1)}
  .cart{display:flex;align-items:center;gap:8px;margin-left:8px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--glass);color:var(--text);font-weight:700;font-size:14px;cursor:pointer}
  .cart:hover{border-color:var(--blue);box-shadow:0 0 18px var(--blue-glow)}
  .nav-burger{display:none;width:44px;height:44px;margin-left:8px;border-radius:12px;border:1px solid var(--line);background:var(--glass);cursor:pointer;padding:0;flex:none;position:relative}
  .nav-burger span{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--text);transition:.25s}
  .nav-burger span:nth-child(1){top:14px}.nav-burger span:nth-child(2){top:21px}.nav-burger span:nth-child(3){top:28px}
  header.menu-open .nav-burger span:nth-child(1){top:21px;transform:rotate(45deg)}
  header.menu-open .nav-burger span:nth-child(2){opacity:0}
  header.menu-open .nav-burger span:nth-child(3){top:21px;transform:rotate(-45deg)}
  .nav-drawer{display:none}
  .cart b{background:var(--blue);border-radius:999px;font-size:12px;width:34px;min-width:34px;height:22px;display:grid;place-items:center;padding:0;font-variant-numeric:tabular-nums}   /* πλάτος σταθερό: όταν αλλάζει ο αριθμός (1, 10, 100) δεν μετακινείται το υπόλοιπο μενού */

  /* ---------- hero ---------- */
  .hero{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;padding:clamp(16px,3vh,32px) 20px 40px}
  .kicker{font-size:12px;font-weight:800;letter-spacing:.32em;color:var(--cyan);text-transform:uppercase;display:inline-flex;align-items:center;gap:10px}
  .kicker::before,.kicker::after{content:"";width:34px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan))}
  .kicker::after{transform:scaleX(-1)}
  .brk{display:none}
  h1{font-size:clamp(30px,5.2vw,68px);line-height:1.04;font-weight:900;letter-spacing:.03em;text-transform:uppercase;margin:12px 0 8px;
    background:linear-gradient(180deg,#fff 0%,#bcd0ff 55%,#6f9bff 100%);-webkit-background-clip:text;background-clip:text;color:transparent;
    filter:drop-shadow(0 0 28px rgba(47,107,255,.45))}
  .lead{max-width:640px;color:var(--muted);font-size:clamp(15px,1.6vw,18px)}

  /* "UK" lettering filled with the Union Jack */
  .uk{display:inline-block;margin-left:.12em;font-size:1em;line-height:1;letter-spacing:.05em;vertical-align:0;font-weight:900;
    background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 30' preserveAspectRatio='none'%3E%3Crect width='60' height='30' fill='%23012169'/%3E%3Cpath d='M0 0L60 30M60 0L0 30' stroke='%23fff' stroke-width='7'/%3E%3Cpath d='M0 0L60 30M60 0L0 30' stroke='%23C8102E' stroke-width='2.4'/%3E%3Cpath d='M30 0V30M0 15H60' stroke='%23fff' stroke-width='11'/%3E%3Cpath d='M30 0V30M0 15H60' stroke='%23C8102E' stroke-width='6.5'/%3E%3C/svg%3E") center/100% 100% no-repeat;
    -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;
    filter:drop-shadow(0 0 1px rgba(255,255,255,.9)) drop-shadow(0 0 14px rgba(47,107,255,.5))}
  .float-anim{display:block;width:min(720px,94vw,calc(100vh - 100px));min-width:260px;margin:8px auto 0}
  .float-anim img{display:block;width:100%;height:auto}
  .lead-below{margin:6px auto 0}
  .stage{position:relative;width:max(300px,min(1120px,94vw,calc((100vh - 315px) * 1.6)));margin:18px auto 22px;aspect-ratio:16/10;display:grid;place-items:center}
  @keyframes spin{to{transform:rotate(360deg)}}
  .glow{position:absolute;inset:6%;border-radius:32px;background:radial-gradient(closest-side,var(--blue-glow),transparent 72%);filter:blur(40px);opacity:.9}
  .frame{position:absolute;inset:0;border-radius:28px;padding:2px;
    background:linear-gradient(135deg,var(--cyan),var(--blue) 45%,rgba(120,80,255,.7));
    box-shadow:0 30px 80px rgba(0,0,0,.65),0 0 60px rgba(47,107,255,.35);animation:bob 9s ease-in-out infinite}
  @keyframes bob{50%{transform:translateY(-10px)}}
  @media (max-width:820px),(pointer:coarse),(prefers-reduced-motion:reduce){.frame{animation:none}}   /* κινητό: το πλαίσιο του CNC μένει ακίνητο (το «λικνισμα» έμοιαζε να κουνιέται μαζί με το animation) */
  .frame .inner{position:relative;width:100%;height:100%;border-radius:26px;overflow:hidden;background:#000}
  .frame img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.85) contrast(1.05)}
  .frame .inner::after{content:"";position:absolute;inset:0;background:
     linear-gradient(180deg,rgba(3,7,19,.05) 40%,rgba(3,7,19,.78)),
     linear-gradient(90deg,rgba(47,107,255,.28),transparent 55%);mix-blend-mode:normal}

  .cta{position:absolute;left:50%;bottom:5%;transform:translateX(-50%);z-index:4;display:flex;gap:14px;justify-content:center;white-space:nowrap}
  .btn{display:inline-flex;align-items:center;gap:10px;padding:16px 30px;border-radius:999px;font-size:16px;font-weight:800;letter-spacing:.02em;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:.25s}
  .btn.primary{color:#fff;background:linear-gradient(135deg,var(--blue),#5a8bff 60%,var(--cyan));box-shadow:0 0 0 0 var(--blue-glow),0 10px 40px rgba(47,107,255,.5)}
  .btn.primary:hover{transform:translateY(-2px);box-shadow:0 0 0 6px rgba(47,107,255,.2),0 14px 50px rgba(47,107,255,.65)}
  .btn.ghost{color:var(--text);border-color:var(--line);background:var(--glass)}
  .btn.ghost:hover{border-color:var(--cyan);color:var(--cyan)}
  .note{margin-top:16px;font-size:13px;color:var(--muted)}
  .note b{color:var(--cyan)}

  /* ---------- steps ---------- */
  section.how{padding:44px clamp(16px,5vw,64px) 30px;max-width:900px;margin:0 auto}
  section.how h2{text-align:center;font-size:clamp(18px,2.2vw,24px);font-weight:900;letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}
  section.how .sub{text-align:center;color:var(--muted);font-size:14px;margin-bottom:24px}
  .steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
  .card{position:relative;padding:18px 20px;border-radius:16px;background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:.3s;overflow:hidden}
  .card::before{content:"";position:absolute;inset:0;background:radial-gradient(400px 160px at 0% 0%,rgba(47,107,255,.22),transparent 70%);opacity:.9}
  .card:hover{transform:translateY(-4px);border-color:rgba(56,214,255,.5);box-shadow:0 20px 50px rgba(0,0,0,.4),0 0 30px rgba(47,107,255,.25)}
  .card .n{position:relative;font-size:28px;font-weight:900;line-height:1;background:linear-gradient(180deg,var(--cyan),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
  .card h3{position:relative;margin:8px 0 4px;font-size:15.5px}
  .card p{position:relative;color:var(--muted);font-size:13px}

  .strip{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;padding:30px 20px 10px}
  .chip{padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:var(--glass);font-size:13px;font-weight:700;color:var(--text)}
  .chip span{color:var(--cyan)}

  .about{max-width:760px;margin:30px auto 0;padding:0 clamp(16px,5vw,32px);text-align:center}
  .about h2{font-size:clamp(15px,1.8vw,19px);font-weight:800;letter-spacing:.04em;margin-bottom:8px;color:var(--text)}
  .about p{color:var(--muted);font-size:13.5px;line-height:1.7}
  footer{margin-top:50px;padding:30px 20px 40px;text-align:center;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}

  /* menu: ο υπολογιστής με μικρή οθόνη (π.χ. 1366-1536 px) δεν χωράει 7 κουμπιά + όνομα χρήστη· γι' αυτό το ☰ ξεκινά από 1380 px και κάτω και τα γράμματα δεν σπάνε σε 2 γραμμές */
  nav a,nav #authSlot,nav #authSlot *{white-space:nowrap}
  @media (max-width:1760px){ nav a{padding:8px 10px;font-size:13.5px} header{gap:12px} }
  @media (max-width:1380px){ nav a{padding:7px 8px;font-size:13px} nav{gap:3px} header{gap:10px;padding:10px 24px} .brand .t2{font-size:14px} .nav-custom{padding:6px 10px} }
  @media (max-width:1180px){
    header{gap:8px;padding:10px 14px;flex-wrap:nowrap}
    .brand{gap:10px;min-width:0;flex:1 1 auto}
    .brand img{width:44px;height:44px;flex:none}
    .brand .t1{font-size:10px;letter-spacing:.14em;white-space:nowrap}
    .brand .t2{font-size:13px;white-space:nowrap}
    nav{margin-left:0;flex:none;gap:0}
    nav > a:not(.cart),nav > a.nav-custom,nav > #authSlot{display:none!important}
    .cart{margin-left:0;padding:8px 12px;font-size:13px}
    .nav-burger{display:block}
    .nav-drawer{display:none;position:absolute;left:10px;right:10px;top:100%;margin-top:6px;padding:14px;border-radius:18px;
      background:linear-gradient(180deg,rgba(11,22,52,.98),rgba(6,13,34,.98));border:1px solid rgba(120,160,255,.28);box-shadow:0 24px 70px rgba(0,0,0,.7);backdrop-filter:blur(12px)}
    header.menu-open .nav-drawer{display:block}
    @media (min-width:901px){ .nav-drawer{left:auto;right:14px;width:360px} }
    .nav-list{display:grid;gap:4px}
    .nav-list a{display:block;padding:13px 14px;border-radius:12px;color:var(--text);text-decoration:none;font-weight:700;font-size:16px}
    .nav-list a:active,.nav-list a.current{background:rgba(120,160,255,.14);color:#fff}
    .nav-list a.dr-custom{border:1px solid rgba(56,214,255,.5);background:linear-gradient(135deg,rgba(47,107,255,.3),rgba(56,214,255,.12))}
    .dr-auth{margin:12px 0 4px;padding-top:12px;border-top:1px solid var(--line)}
    .dr-auth #authSlot{display:inline-flex!important;flex-wrap:wrap;gap:8px}
    .dr-legal{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}
    .dr-legal a{color:var(--muted);font-size:12.5px;text-decoration:none}
  }
  @media (max-width:760px){
    .brk{display:inline} .btn.ghost{display:none}
  }
  @media (prefers-reduced-motion:reduce){ *{animation:none!important;transition:none!important} }

/* ---------- Social (footer): Facebook μπλε neon, YouTube κόκκινο neon ---------- */
.foot-social{display:flex;justify-content:center;gap:16px;margin:0 0 18px}
.soc{--c:#38b6ff;--g:56,182,255;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;color:var(--c);background:rgba(8,16,40,.7);border:1.5px solid var(--c);box-shadow:0 0 10px rgba(var(--g),.65),0 0 26px rgba(var(--g),.35),inset 0 0 12px rgba(var(--g),.22);transition:transform .2s,box-shadow .2s}
.soc svg{width:22px;height:22px;filter:drop-shadow(0 0 5px rgba(var(--g),.9))}
.soc-fb{--c:#3b9bff;--g:59,155,255}
.soc-yt{--c:#ff3b4d;--g:255,59,77}
.soc:hover,.soc:focus-visible{transform:translateY(-3px) scale(1.06);box-shadow:0 0 14px rgba(var(--g),.95),0 0 38px rgba(var(--g),.55),inset 0 0 14px rgba(var(--g),.35);outline:none}
.soc-site{--c:#ffffff;--g:255,255,255;padding:0;overflow:hidden;background:#0b1530}
.soc-site img{width:100%;height:100%;object-fit:cover;border-radius:50%;display:block}
.soc-site{box-shadow:0 0 12px rgba(255,255,255,.9),0 0 30px rgba(255,255,255,.55),inset 0 0 12px rgba(255,255,255,.3)}
.soc-site:hover,.soc-site:focus-visible{box-shadow:0 0 18px rgba(255,255,255,1),0 0 44px rgba(255,255,255,.75),inset 0 0 14px rgba(255,255,255,.45)}

/* Logo της κεφαλίδας: ίδιο έντονο λευκό neon με το κουμπί του υποσέλιδου */
.brand img{border-radius:50%;border:1.5px solid #fff;background:#0b1530;filter:none;box-shadow:0 0 12px rgba(255,255,255,.9),0 0 30px rgba(255,255,255,.55),inset 0 0 12px rgba(255,255,255,.3);transition:box-shadow .2s}
.brand:hover img{box-shadow:0 0 18px rgba(255,255,255,1),0 0 44px rgba(255,255,255,.75),inset 0 0 14px rgba(255,255,255,.45)}

/* brand: one neon line "JOHN BULL FLOATS" (no tagline under it) */
.brand .t2{display:none}
.brand .t1{font-size:20px;letter-spacing:.14em;color:#fff;text-shadow:none;white-space:nowrap}
@media (max-width:980px){.brand .t1{font-size:16px;letter-spacing:.1em}}
@media (max-width:520px){.brand .t1{font-size:12.5px;letter-spacing:.05em}}
@media (max-width:400px){.brand .t1{font-size:11.5px;letter-spacing:.03em}}


/* ONE PHOTO FRAME for the whole site: Home photo, Builder CNC, How it works 1-8, Special design guide.
   Change the look of every photo outline here, in this one place. */
.slider,.hiw-photo,.pg-photo,.frame{
  border-radius:18px !important;border:1px solid rgba(56,214,255,.35) !important;overflow:hidden;
  box-shadow:0 14px 40px rgba(0,0,0,.5),0 0 36px rgba(47,107,255,.25) !important;background:#0b1226}
.frame{padding:0 !important;animation:none !important}
.frame .inner{border-radius:0 !important}
/* ONE TITLE SIZE for every page heading (h1). Change it here and all pages follow. Phone ~24px, laptop ~38px, big screens max 40px. */
h1{font-size:clamp(24px,3.2vw,40px) !important;line-height:1.12 !important}
.info h1{font-size:clamp(26px,4.4vw,38px) !important}   /* product name on the product page stays as it was */