/* =========================================================
   SkyRocket Agency — Design System
   Light gradient theme, editable via CSS custom properties
   ========================================================= */

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{min-height:100vh;font-family:var(--font-body);color:var(--fg);background:var(--bg);line-height:1.55;overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{list-style:none}
input,textarea,select{font:inherit;color:inherit}

/* ---------- Tokens ---------- */
:root{
  /* palette */
  --bg:            #f6f7fc;
  --bg-soft:       #eef0fa;
  --bg-elev:       rgba(255,255,255,.72);
  --fg:            #0a0f24;
  --fg-soft:       #36405e;
  --fg-muted:      #6b7290;
  --line:          rgba(10,15,36,.09);
  --line-strong:   rgba(10,15,36,.16);

  /* gradient accents */
  --g1: #a855f7;  /* violet */
  --g2: #ec4899;  /* pink */
  --g3: #3b82f6;  /* blue */
  --g4: #06b6d4;  /* cyan */
  --g5: #f59e0b;  /* amber highlight */

  --grad-brand: linear-gradient(120deg,#7c3aed 0%,#ec4899 45%,#f59e0b 100%);
  --grad-soft:  linear-gradient(135deg,#eef0fa 0%,#fef1f6 100%);
  --grad-text:  linear-gradient(100deg,#7c3aed 0%,#ec4899 55%,#3b82f6 100%);
  --grad-cyber: linear-gradient(135deg,#06b6d4 0%,#8b5cf6 100%);

  /* typography */
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Space Grotesk', var(--font-body);
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;

  /* sizing */
  --container: 1240px;
  --radius-sm: 10px;
  --radius:    18px;
  --radius-lg: 28px;
  --radius-xl: 40px;

  /* elevation */
  --shadow-sm: 0 2px 8px rgba(17,23,54,.06);
  --shadow:    0 12px 40px -16px rgba(17,23,54,.18), 0 2px 8px rgba(17,23,54,.05);
  --shadow-lg: 0 30px 70px -30px rgba(17,23,54,.25);
  --ring:      0 0 0 1px var(--line);

  /* motion */
  --ease-out: cubic-bezier(.2,.7,.2,1);
  --ease-in-out: cubic-bezier(.65,0,.35,1);
}

/* ---------- Utilities ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:clamp(20px,4vw,40px)}
.grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-soft);padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--bg-elev);backdrop-filter:blur(8px)}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad-brand)}
.muted{color:var(--fg-muted)}
.center{text-align:center}

/* ---------- Typography ---------- */
h1,h2,h3,h4,h5{font-family:var(--font-display);font-weight:600;letter-spacing:-.02em;line-height:1.08;color:var(--fg)}
h1{font-size:clamp(2.6rem,6.2vw,5.2rem);font-weight:500;letter-spacing:-.035em}
h2{font-size:clamp(2rem,4.2vw,3.4rem);letter-spacing:-.03em}
h3{font-size:clamp(1.35rem,2vw,1.8rem);letter-spacing:-.02em}
h4{font-size:1.15rem;letter-spacing:-.015em}
p{color:var(--fg-soft);font-size:clamp(1rem,1.05vw,1.075rem);line-height:1.65}
.lead{font-size:clamp(1.12rem,1.4vw,1.28rem);color:var(--fg-soft);max-width:62ch}

/* ---------- Background canvas host ---------- */
#bg-fx{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
#bg-fx .blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;mix-blend-mode:multiply;will-change:transform}
#bg-fx .blob.b1{width:520px;height:520px;background:radial-gradient(circle,#f0abfc 0%,#c084fc 60%,transparent 70%);top:-10%;left:-8%}
#bg-fx .blob.b2{width:460px;height:460px;background:radial-gradient(circle,#fda4af 0%,#fb7185 60%,transparent 70%);top:40%;right:-8%}
#bg-fx .blob.b3{width:580px;height:580px;background:radial-gradient(circle,#93c5fd 0%,#60a5fa 55%,transparent 70%);bottom:-12%;left:25%}
#bg-fx .blob.b4{width:360px;height:360px;background:radial-gradient(circle,#a7f3d0 0%,#6ee7b7 55%,transparent 70%);top:15%;right:25%;opacity:.35}
#bg-fx canvas{position:absolute;inset:0;width:100%!important;height:100%!important}
#bg-fx::after{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 500px at 50% -10%, rgba(255,255,255,.85), transparent 60%),
  radial-gradient(600px 400px at 90% 110%, rgba(255,255,255,.75), transparent 70%);
  pointer-events:none}

/* grain overlay */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.4;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .35 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}

/* ---------- Navigation ---------- */
.nav{position:sticky;top:0;z-index:50;padding:18px 0;backdrop-filter:blur(14px);background:rgba(246,247,252,.6);border-bottom:1px solid transparent;transition:border-color .3s var(--ease-out),background .3s var(--ease-out)}
.nav.scrolled{background:rgba(246,247,252,.82);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;letter-spacing:-.02em;font-size:1.25rem}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--grad-brand);position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
.brand-mark::before{content:"";position:absolute;inset:2px;border-radius:8px;background:linear-gradient(135deg,rgba(255,255,255,.4),transparent 50%);z-index:1;pointer-events:none}
.brand-mark::after{content:"";position:absolute;inset:0;z-index:2;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'><path d='M4.5 16.5c-1.5 1.26-2 5-2 5s3.74-.5 5-2c.71-.84.7-2.13-.09-2.91a2.18 2.18 0 0 0-2.91-.09z'/><path d='m12 15-3-3a22 22 0 0 1 2-3.95A12.88 12.88 0 0 1 22 2c0 2.72-.78 7.5-6 11a22.35 22.35 0 0 1-4 2z'/><path d='M9 12H4s.55-3.03 2-4c1.62-1.08 5 0 5 0'/><path d='M12 15v5s3.03-.55 4-2c1.08-1.62 0-5 0-5'/></svg>");background-repeat:no-repeat;background-position:center;background-size:20px 20px;animation:spin 9s linear infinite;transform-origin:center}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion: reduce){.brand-mark::after{animation:none}}

.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{position:relative;padding:10px 16px;border-radius:999px;font-size:.95rem;color:var(--fg-soft);font-weight:500;transition:background .25s var(--ease-out),color .25s var(--ease-out)}
.nav-links a:hover{background:var(--bg-elev);color:var(--fg);box-shadow:var(--ring)}
.nav-links a.active{color:var(--fg);font-weight:600;background:rgba(255,255,255,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:inset 0 0 0 1px rgba(124,58,237,.18),0 4px 14px -6px rgba(124,58,237,.25)}
.nav-links a.active::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:18px;height:3px;border-radius:2px;background:var(--grad-brand)}

.nav-cta{display:inline-flex;align-items:center;gap:6px}
.hamburger{display:none;position:relative;z-index:100;width:44px;height:44px;border-radius:12px;background:var(--bg-elev);box-shadow:var(--ring);place-items:center;transition:background .25s}
.hamburger span{position:relative;width:18px;height:1.5px;background:var(--fg);display:block;transition:.3s}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--fg);transition:.3s}
.hamburger span::before{top:-6px}.hamburger span::after{top:6px}
body.nav-open .hamburger{background:rgba(255,255,255,.95);box-shadow:0 4px 18px -4px rgba(17,23,54,.18)}
body.nav-open .hamburger span{background:transparent}
body.nav-open .hamburger span::before{top:0;transform:rotate(45deg)}
body.nav-open .hamburger span::after{top:0;transform:rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;font-weight:500;font-size:.98rem;letter-spacing:-.005em;transition:transform .2s var(--ease-out),box-shadow .2s var(--ease-out),background .2s var(--ease-out)}
.btn svg{width:16px;height:16px;transition:transform .25s var(--ease-out)}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 30px -10px rgba(236,72,153,.45),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 40px -12px rgba(236,72,153,.55),inset 0 1px 0 rgba(255,255,255,.3)}
.btn-ghost{background:var(--bg-elev);color:var(--fg);box-shadow:var(--ring)}
.btn-ghost:hover{background:#fff;box-shadow:var(--shadow-sm),var(--ring)}
.btn-sm{padding:10px 18px;font-size:.9rem}
.btn-lg{padding:18px 32px;font-size:1.05rem}

/* ---------- Hero ---------- */
.hero{padding:clamp(60px,10vh,120px) 0 clamp(60px,10vh,120px);position:relative}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:60px;align-items:center}
.kontakt-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:start}
.about-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:60px;align-items:start}
.hero h1 .accent{display:inline-block;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;font-style:italic;font-family:'Instrument Serif',var(--font-display);font-weight:400}
.hero p.lead{margin-top:24px;max-width:52ch}
.hero-actions{margin-top:36px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-stats{margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;max-width:520px}
.hero-stat .num{font-family:var(--font-display);font-size:2.2rem;font-weight:500;letter-spacing:-.025em;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stat .lbl{font-size:.82rem;color:var(--fg-muted);letter-spacing:.04em;text-transform:uppercase;margin-top:2px}

.hero-visual{position:relative;aspect-ratio:1/1.05;border-radius:var(--radius-xl);overflow:hidden;background:var(--grad-soft);box-shadow:var(--shadow-lg),var(--ring)}
.hero-visual .orbit{position:absolute;inset:0;background:
  radial-gradient(400px 400px at 20% 30%,rgba(192,132,252,.45),transparent 60%),
  radial-gradient(300px 300px at 80% 70%,rgba(251,113,133,.45),transparent 60%),
  radial-gradient(400px 300px at 50% 100%,rgba(96,165,250,.5),transparent 70%)}
.hero-visual .card{position:absolute;background:rgba(255,255,255,.7);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.6);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow)}
.hero-visual .card h4{font-size:.92rem;margin-bottom:4px}
.hero-visual .card small{color:var(--fg-muted);font-size:.8rem}
.hero-visual .card.c1{top:12%;left:8%;max-width:220px}
.hero-visual .card.c2{bottom:16%;right:6%;max-width:240px}
.hero-visual .card.c3{top:44%;right:-6%;max-width:200px;transform:rotate(3deg)}
.hero-visual .spark{position:absolute;top:30%;left:40%;width:80px;height:80px;border-radius:50%;background:var(--grad-brand);filter:blur(20px);opacity:.6;animation:float 6s var(--ease-in-out) infinite}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(20px,-30px)}}

/* ---------- Sections ---------- */
section{padding:clamp(60px,9vh,110px) 0;position:relative}
.section-head{max-width:760px;margin-bottom:56px}
.section-head.center{margin-inline:auto}
.section-head h2{margin-top:16px}
.section-head p{margin-top:18px}

/* ---------- Cards / Panels — Liquid Glass ---------- */
.card-glass{
  background:rgba(255,255,255,.5);
  backdrop-filter:blur(24px) saturate(1.8);
  -webkit-backdrop-filter:blur(24px) saturate(1.8);
  border:1px solid rgba(255,255,255,.65);
  border-radius:var(--radius-lg);
  box-shadow:
    0 10px 30px -12px rgba(17,23,54,.16),
    inset 0 1px 0 rgba(255,255,255,.85),
    inset 0 -1px 0 rgba(255,255,255,.15);
  transition:transform .35s var(--ease-out),box-shadow .35s var(--ease-out);
  position:relative;
}
.card-glass:hover{transform:translateY(-4px);box-shadow:0 22px 48px -16px rgba(17,23,54,.22),inset 0 1px 0 rgba(255,255,255,.9)}

/* ---------- Services grid — Liquid Glass ---------- */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service{
  padding:32px;position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.5);
  backdrop-filter:blur(24px) saturate(1.8);
  -webkit-backdrop-filter:blur(24px) saturate(1.8);
  border:1px solid rgba(255,255,255,.65);
  box-shadow:
    0 10px 30px -12px rgba(17,23,54,.14),
    inset 0 1px 0 rgba(255,255,255,.85),
    inset 0 -1px 0 rgba(255,255,255,.1);
  transition:all .4s var(--ease-out);
}
.service::before{content:"";position:absolute;inset:0;background:var(--grad-brand);opacity:0;transition:opacity .4s var(--ease-out);border-radius:inherit}
.service>*{position:relative;z-index:1}
.service:hover{border-color:transparent;transform:translateY(-4px)}
.service:hover::before{opacity:.96}
.service:hover .svc-num,.service:hover h3,.service:hover p{color:#fff}
.service:hover .svc-icon{background:rgba(255,255,255,.18);color:#fff}
.svc-icon{width:52px;height:52px;border-radius:14px;background:var(--grad-soft);display:grid;place-items:center;color:var(--g1);margin-bottom:24px;transition:all .4s var(--ease-out)}
.svc-icon svg{width:22px;height:22px}
.svc-num{font-family:var(--font-mono);font-size:.78rem;color:var(--fg-muted);letter-spacing:.1em;position:absolute;top:24px;right:28px;transition:color .3s}
.service h3{margin-bottom:10px}
.service p{font-size:.97rem}

/* ---------- Category tiles ---------- */
.categories{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat{position:relative;aspect-ratio:4/3;border-radius:var(--radius-lg);overflow:hidden;display:block;isolation:isolate}
.cat .cat-bg{position:absolute;inset:0;display:block;width:100%;height:100%;background:var(--bg-cat,var(--grad-soft));background-repeat:no-repeat;background-position:center;background-size:cover;transition:transform .8s var(--ease-out);z-index:0}
.cat::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,15,36,.15) 0%,rgba(10,15,36,.2) 40%,rgba(10,15,36,.78) 100%);z-index:1;pointer-events:none}
.cat:hover .cat-bg{transform:scale(1.06)}
.cat .cat-inner{position:absolute;inset:0;z-index:2;padding:28px;display:flex;flex-direction:column;justify-content:space-between;color:#fff}
.cat .cat-tag{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;opacity:.85}
.cat h3{color:#fff;font-size:1.9rem;letter-spacing:-.02em}
.cat .cat-meta{display:flex;justify-content:space-between;align-items:end}
.cat .cat-arrow{width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.18);backdrop-filter:blur(8px);display:grid;place-items:center;transition:transform .35s var(--ease-out),background .35s var(--ease-out)}
.cat:hover .cat-arrow{background:#fff;color:var(--fg);transform:rotate(-45deg)}

/* individual backgrounds — real photos per niche (image-only; .cat::after handles text readability) */
.cat-gaming .cat-bg{background-image:url('https://images.unsplash.com/photo-1542751110-97427bbecf20?w=1200&h=900&fit=crop&auto=format&q=80')}
.cat-gastronomia .cat-bg{background-image:url('https://images.unsplash.com/photo-1517248135467-4c7edcad34c4?w=1200&h=900&fit=crop&auto=format&q=80')}
.cat-luxury .cat-bg{background-image:url('https://images.unsplash.com/photo-1589128777073-263566ae5e4d?w=1200&h=900&fit=crop&auto=format&q=80')}
.cat-nieruchomosci .cat-bg{background-image:url('https://images.unsplash.com/photo-1564013799919-ab600027ffc6?w=1200&h=900&fit=crop&auto=format&q=80')}
.cat-ecommerce .cat-bg{background-image:url('https://images.unsplash.com/photo-1472851294608-062f824d29cc?w=1200&h=900&fit=crop&auto=format&q=80')}
.cat-motoryzacja .cat-bg{background-image:url('https://images.unsplash.com/photo-1552519507-da3b142c6e3d?w=1200&h=900&fit=crop&auto=format&q=80')}

/* ---------- Client strip ---------- */
.clients{display:flex;flex-wrap:wrap;gap:40px 60px;align-items:center;justify-content:center;opacity:.75}
.clients .logo{font-family:var(--font-display);font-size:1.4rem;letter-spacing:-.02em;color:var(--fg-muted);transition:color .3s}
.clients .logo:hover{color:var(--fg)}

/* ---------- Process / numbered list — Liquid Glass ---------- */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{
  padding:32px 28px;
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.45);
  backdrop-filter:blur(26px) saturate(1.9);
  -webkit-backdrop-filter:blur(26px) saturate(1.9);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:
    0 12px 36px -14px rgba(17,23,54,.14),
    inset 0 1px 0 rgba(255,255,255,.9),
    inset 0 -1px 0 rgba(255,255,255,.15),
    inset 1px 0 0 rgba(255,255,255,.4);
  position:relative;
  overflow:hidden;
  transition:transform .35s var(--ease-out),box-shadow .35s var(--ease-out);
}
.step::after{
  content:"";
  position:absolute;
  top:0;left:0;right:40%;
  height:50%;
  background:linear-gradient(160deg,rgba(255,255,255,.5) 0%,transparent 70%);
  pointer-events:none;
  border-radius:inherit;
  opacity:.7;
}
.step:hover{transform:translateY(-4px);box-shadow:0 20px 44px -16px rgba(17,23,54,.22),inset 0 1px 0 rgba(255,255,255,.95),inset 0 -1px 0 rgba(255,255,255,.2)}
.step>*{position:relative;z-index:1}
.step::before{counter-increment:step;content:"0"counter(step);font-family:var(--font-display);font-size:3.2rem;font-weight:500;line-height:1;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.04em;display:block;margin-bottom:18px}
.step h4{margin-bottom:8px}
.step p{font-size:.94rem}

/* ---------- Testimonials ---------- */
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{
  padding:32px;border-radius:var(--radius-lg);
  background:rgba(255,255,255,.5);
  backdrop-filter:blur(24px) saturate(1.8);
  -webkit-backdrop-filter:blur(24px) saturate(1.8);
  border:1px solid rgba(255,255,255,.65);
  box-shadow:
    0 10px 30px -12px rgba(17,23,54,.14),
    inset 0 1px 0 rgba(255,255,255,.85),
    inset 0 -1px 0 rgba(255,255,255,.1);
  display:flex;flex-direction:column;gap:24px;
  transition:transform .35s var(--ease-out),box-shadow .35s var(--ease-out);
}
.quote:hover{transform:translateY(-3px);box-shadow:0 18px 40px -16px rgba(17,23,54,.2),inset 0 1px 0 rgba(255,255,255,.9)}
.quote blockquote{font-size:1.05rem;line-height:1.6;color:var(--fg-soft)}
.quote blockquote::before{content:"";display:block;width:36px;height:2px;background:var(--grad-brand);margin-bottom:18px}
.quote-author{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote-avatar{width:44px;height:44px;border-radius:50%;background:var(--grad-brand);display:grid;place-items:center;color:#fff;font-weight:600;font-size:.95rem}
.quote-meta strong{display:block;font-weight:600;font-size:.95rem}
.quote-meta span{font-size:.82rem;color:var(--fg-muted)}

/* ---------- CTA block ---------- */
.cta{padding:64px 48px;border-radius:var(--radius-xl);background:var(--grad-brand);color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta::before{content:"";position:absolute;inset:-50%;background:conic-gradient(from 0deg at 50% 50%,transparent,rgba(255,255,255,.22),transparent 30%);animation:spin 10s linear infinite}
.cta>*{position:relative;z-index:1}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.85);max-width:60ch}
.cta .btn-ghost{background:rgba(255,255,255,.15);color:#fff;backdrop-filter:blur(8px)}
.cta .btn-ghost:hover{background:rgba(255,255,255,.22)}
.cta .btn-primary{background:#fff;color:var(--fg);box-shadow:0 14px 32px -10px rgba(0,0,0,.3)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
details.faq-item{
  background:rgba(255,255,255,.5);
  backdrop-filter:blur(22px) saturate(1.8);
  -webkit-backdrop-filter:blur(22px) saturate(1.8);
  border:1px solid rgba(255,255,255,.65);
  border-radius:var(--radius);padding:22px 28px;
  box-shadow:
    0 6px 20px -10px rgba(17,23,54,.1),
    inset 0 1px 0 rgba(255,255,255,.85);
  transition:box-shadow .3s var(--ease-out);
}
details.faq-item[open]{box-shadow:0 14px 36px -16px rgba(17,23,54,.18),inset 0 1px 0 rgba(255,255,255,.9)}
details.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;font-family:var(--font-display);font-weight:500;font-size:1.08rem;color:var(--fg);letter-spacing:-.01em;list-style:none}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary::after{content:"+";font-size:1.5rem;font-weight:300;color:var(--fg-muted);transition:transform .25s var(--ease-out)}
details.faq-item[open] summary::after{content:"−"}
details.faq-item p{margin-top:14px;color:var(--fg-soft);font-size:.98rem;line-height:1.7}

/* ---------- Forms ---------- */
.form{display:grid;gap:20px;max-width:720px;width:100%;min-width:0;box-sizing:border-box}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:.88rem;color:var(--fg-soft);font-weight:500;letter-spacing:.01em}
.field input,.field textarea,.field select{width:100%;min-width:0;box-sizing:border-box;background:rgba(255,255,255,.75);border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-size:1rem;color:var(--fg);transition:border-color .25s,box-shadow .25s,background .25s}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--g1);box-shadow:0 0 0 4px rgba(168,85,247,.14);background:#fff}
.field textarea{min-height:140px;resize:vertical;font-family:inherit}

/* ---------- Footer — Liquid Glass (ciemniejsze tło) ---------- */
.footer{
  padding:80px 0 36px;
  margin-top:100px;
  background:
    linear-gradient(180deg,rgba(30,40,85,.06) 0%,rgba(30,40,85,.14) 100%);
  backdrop-filter:blur(28px) saturate(1.6);
  -webkit-backdrop-filter:blur(28px) saturate(1.6);
  border-top:1px solid rgba(255,255,255,.55);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.55),
    0 -20px 60px -30px rgba(17,23,54,.12);
  position:relative;
}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px;margin-bottom:56px}
.footer-about p{margin-top:20px;max-width:34ch;font-size:.95rem}
.footer-socials{display:flex;gap:10px;margin-top:24px}
.footer-socials a{width:38px;height:38px;border-radius:12px;background:var(--bg-elev);display:grid;place-items:center;color:var(--fg-soft);transition:all .25s;box-shadow:var(--ring)}
.footer-socials a:hover{background:var(--grad-brand);color:#fff;transform:translateY(-2px)}
.footer-socials svg{width:18px;height:18px}
.footer-col h5{font-family:var(--font-display);font-weight:500;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-muted);margin-bottom:18px}
.footer-col a{display:block;padding:6px 0;color:var(--fg-soft);font-size:.95rem;transition:color .2s}
.footer-col a:hover{color:var(--fg)}
.footer-bottom{border-top:1px solid var(--line);padding-top:28px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.footer-bottom small{color:var(--fg-muted);font-size:.85rem}
.footer-bottom nav{display:flex;gap:22px}
.footer-bottom nav a{font-size:.85rem;color:var(--fg-muted)}
.footer-bottom nav a:hover{color:var(--fg)}

/* ---------- Breadcrumb ---------- */
.crumb{display:flex;gap:10px;align-items:center;font-size:.85rem;color:var(--fg-muted);margin-bottom:28px;flex-wrap:wrap}
.crumb a{color:var(--fg-muted);transition:color .2s}
.crumb a:hover{color:var(--fg)}
.crumb span{opacity:.5}

/* ---------- Article / blog post ---------- */
.post-hero{padding:clamp(50px,8vh,100px) 0 40px}
.post-hero h1{margin-top:18px;max-width:22ch;font-size:clamp(2rem,4.2vw,3.6rem)}
.post-meta{display:flex;gap:20px;margin-top:24px;align-items:center;color:var(--fg-muted);font-size:.9rem;flex-wrap:wrap}
.post-meta .tag{padding:6px 12px;border-radius:999px;background:var(--bg-elev);border:1px solid var(--line);color:var(--fg-soft);font-weight:500}
.post-cover{aspect-ratio:16/8;border-radius:var(--radius-xl);overflow:hidden;margin-bottom:56px;box-shadow:var(--shadow-lg);position:relative;background:var(--grad-soft)}
.post-cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .8s var(--ease-out)}
.post-cover:hover img{transform:scale(1.02)}
.post-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(10,15,36,.08));pointer-events:none}
.post-content{max-width:740px;margin:0 auto}
.post-content h2{margin:48px 0 20px;font-size:1.8rem}
.post-content h3{margin:36px 0 14px;font-size:1.35rem}
.post-content p{margin-bottom:20px;font-size:1.08rem;line-height:1.75}
.post-content ul,.post-content ol{margin:0 0 20px 1.25rem;color:var(--fg-soft)}
.post-content ul li,.post-content ol li{margin-bottom:8px;line-height:1.7;padding-left:4px}
.post-content ul li{list-style:disc}
.post-content ol li{list-style:decimal}
.post-content blockquote{border-left:3px solid var(--g1);padding:12px 20px;background:var(--bg-elev);border-radius:0 14px 14px 0;margin:28px 0;color:var(--fg);font-style:italic}
.post-content strong{color:var(--fg);font-weight:600}
.post-content a{color:var(--g1);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.post-content a:hover{color:var(--g2)}
.result-box{background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin:32px 0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.result-box .r{text-align:center}
.result-box .r-num{font-family:var(--font-display);font-size:2rem;font-weight:500;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.result-box .r-lbl{font-size:.85rem;color:var(--fg-muted);margin-top:4px}

/* blog grid */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.blog-card{
  border-radius:var(--radius-lg);overflow:hidden;
  background:rgba(255,255,255,.5);
  border:1px solid rgba(255,255,255,.65);
  backdrop-filter:blur(22px) saturate(1.8);
  -webkit-backdrop-filter:blur(22px) saturate(1.8);
  box-shadow:
    0 8px 28px -12px rgba(17,23,54,.14),
    inset 0 1px 0 rgba(255,255,255,.85);
  display:flex;flex-direction:column;
  transition:transform .35s var(--ease-out),box-shadow .35s var(--ease-out);
}
.blog-card:hover{transform:translateY(-4px);box-shadow:0 24px 50px -18px rgba(17,23,54,.24),inset 0 1px 0 rgba(255,255,255,.95)}
.blog-card .thumb{aspect-ratio:16/10;background:var(--grad-soft);position:relative;overflow:hidden}
.blog-card .thumb .t-bg{position:absolute;inset:0;transition:transform .8s var(--ease-out);z-index:0}
.blog-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;transition:transform .8s var(--ease-out);z-index:1}
.blog-card:hover .thumb .t-bg,.blog-card:hover .thumb img{transform:scale(1.08)}
.blog-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.blog-card .meta{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--fg-muted);font-family:var(--font-mono);letter-spacing:.04em}
.blog-card .meta .tag{padding:4px 10px;border-radius:999px;background:var(--bg-soft);color:var(--fg-soft)}
.blog-card h3{font-size:1.18rem;line-height:1.25}
.blog-card p{font-size:.94rem;line-height:1.55}
.blog-card .more{margin-top:auto;padding-top:10px;display:inline-flex;align-items:center;gap:6px;font-weight:500;color:var(--fg);font-size:.9rem}
.blog-card .more svg{width:14px;height:14px;transition:transform .25s}
.blog-card:hover .more svg{transform:translateX(4px)}

/* thumb backgrounds per category */
.thumb.bg-gaming .t-bg{background:linear-gradient(135deg,#4c1d95,#1e1b4b),radial-gradient(circle at 30% 30%,rgba(168,85,247,.6),transparent 50%)}
.thumb.bg-gastronomia .t-bg{background:linear-gradient(135deg,#78350f,#881337),radial-gradient(circle at 30% 30%,rgba(251,146,60,.6),transparent 50%)}
.thumb.bg-luxury .t-bg{background:linear-gradient(135deg,#1c1917,#3f3f46)}
.thumb.bg-nieruchomosci .t-bg{background:linear-gradient(135deg,#075985,#1e3a8a)}
.thumb.bg-ecommerce .t-bg{background:linear-gradient(135deg,#581c87,#0f766e)}
.thumb.bg-motoryzacja .t-bg{background:linear-gradient(135deg,#7f1d1d,#312e81)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid,.kontakt-grid,.about-grid{grid-template-columns:1fr;gap:48px}
  .hero-visual{max-width:520px;margin:0 auto}
  .services,.categories,.testimonials{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px 30px}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .result-box{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:680px){
  .nav-links{display:none}
  .nav-cta .btn{display:none}
  .hamburger{display:grid}
  /* performance: lżejsze blur i mniejsze bloby na mobile */
  #bg-fx .blob{filter:blur(60px);opacity:.4}
  #bg-fx .blob.b1,#bg-fx .blob.b2,#bg-fx .blob.b3{width:300px;height:300px}
  #bg-fx .blob.b4{display:none}
  .service,.step,.quote,.blog-card,.card-glass,details.faq-item{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
  .post-cover{aspect-ratio:16/10}
  body.nav-open{overflow:hidden}
  /* WAŻNE: usunięcie backdrop-filter gdy menu otwarte — inaczej fixed menu
     używa .nav jako containing block zamiast viewport'u i pokrywa tylko górę */
  body.nav-open .nav{backdrop-filter:none;-webkit-backdrop-filter:none;background:transparent;border-bottom-color:transparent}
  body.nav-open .hamburger{
    position:fixed;top:18px;right:clamp(16px,4vw,24px);
    width:48px;height:48px;z-index:70;
    background:#fff;box-shadow:0 6px 20px -4px rgba(17,23,54,.18)
  }
  body.nav-open .nav-links{
    display:flex;position:fixed;
    top:0;left:0;right:0;
    width:100vw;
    height:100vh;          /* fallback dla starszych przegl. */
    height:100svh;         /* small viewport — gdy pasek adresu widoczny */
    height:100dvh;         /* dynamic viewport — dopasowuje się do paska adresu */
    min-height:100vh;
    min-height:100dvh;
    background:#fafbff;
    flex-direction:column;gap:6px;
    padding:110px 24px 60px;
    border:0;border-radius:0;box-shadow:none;
    justify-content:center;align-items:center;
    z-index:60;
    overflow-y:auto;
    animation:navFadeIn .25s var(--ease-out);
  }
  body.nav-open .nav-links a{
    width:auto;min-width:240px;
    padding:18px 28px;border-radius:16px;
    font-size:1.3rem;font-weight:500;
    text-align:center;letter-spacing:-.01em;
    color:var(--fg);
  }
  body.nav-open .nav-links a::after{display:none}
  body.nav-open .nav-links a.active{background:var(--bg-soft)}
  @keyframes navFadeIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
  .services,.categories,.testimonials,.process,.blog-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  /* Kontakt: mniejsze padding na karcie formularza, żeby nic nie wystawało */
  .form.card-glass{padding:24px!important}
  .result-box{grid-template-columns:1fr;padding:22px}
  .cta{padding:40px 28px}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:16px}
  .hero-stat .num{font-size:1.7rem}
}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:1;transform:none;transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.js-ready .reveal{opacity:0;transform:translateY(24px)}
.js-ready .reveal.in{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.08s}
.reveal-delay-2{transition-delay:.16s}
.reveal-delay-3{transition-delay:.24s}
/* na mobile wyłączamy animację reveal — tekst widoczny od razu */
@media (max-width:680px){
  .js-ready .reveal{opacity:1;transform:none;transition:none}
}
@media (prefers-reduced-motion:reduce){
  .js-ready .reveal{opacity:1;transform:none;transition:none}
}

/* ---------- Misc ---------- */
::selection{background:rgba(168,85,247,.22);color:var(--fg)}
::-webkit-scrollbar{width:12px;height:12px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:rgba(10,15,36,.18);border-radius:999px;border:3px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:rgba(10,15,36,.3)}