:root{
  --bg:#060b1c;
  --bg-2:#0a1228;
  --bg-3:#0e1734;
  --surface:rgba(148,170,255,.055);
  --surface-brd:rgba(148,170,255,.14);
  --ink:#f2f5ff;
  --muted:#aab6da;
  --faint:#7f8cb4;
  --g-blue:#3fa9f5;
  --g-mag:#e91ec8;
  --g-org:#ff6b2c;
  --grad:linear-gradient(100deg,var(--g-blue) 0%,var(--g-mag) 52%,var(--g-org) 100%);
  --focus:#7dd3fc;
  --r:18px;
  --nav-h:76px;
  --disp:'Baloo 2',system-ui,sans-serif;
  --body:'Sora',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  font-weight:300;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:rgba(233,30,200,.35)}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:6px}

/* ---------- NAV ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;height:var(--nav-h);
  display:flex;align-items:center;
  padding:0 clamp(20px,4vw,48px);
  background:rgba(6,11,28,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(148,170,255,.08);
  transition:background .3s;
}
.nav-inner{width:min(1180px,100%);margin:0 auto;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);flex-shrink:0}
.logo svg{display:block}
.logo-word{font-family:var(--disp);font-weight:600;font-size:1.42rem;letter-spacing:.01em;line-height:1}
.nav-links{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-links a{
  color:var(--muted);text-decoration:none;font-size:.92rem;font-weight:400;
  padding:8px 14px;border-radius:10px;transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--ink);background:rgba(148,170,255,.08)}
.lang{display:flex;gap:2px;margin-left:14px;border:1px solid var(--surface-brd);border-radius:10px;padding:3px}
.lang button{
  background:none;border:none;color:var(--faint);font-family:var(--mono);font-size:.78rem;
  padding:4px 9px;border-radius:7px;cursor:pointer;transition:.2s;
}
.lang button[aria-pressed="true"]{background:rgba(148,170,255,.14);color:var(--ink)}
.lang button:hover{color:var(--ink)}
.nav-cta{
  margin-left:14px;font-size:.9rem;font-weight:500;text-decoration:none;color:#fff;
  padding:9px 20px;border-radius:12px;background:var(--grad);
  transition:transform .2s,box-shadow .2s;white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 24px rgba(233,30,200,.35)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--surface-brd);border-radius:10px;padding:8px 10px;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0;border-radius:2px}

/* ---------- HERO ---------- */
.hero{
  position:relative;min-height:100svh;
  display:flex;align-items:center;
  padding:calc(var(--nav-h) + 40px) clamp(20px,4vw,48px) 90px;
  overflow:hidden;
}
#sky{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero::after{ /* horizon glow */
  content:"";position:absolute;inset:auto 0 0 0;height:38%;pointer-events:none;
  background:linear-gradient(to top,rgba(63,169,245,.10),transparent 70%);
}
.hero-inner{position:relative;z-index:2;width:min(1180px,100%);margin:0 auto}
.eyebrow{
  font-family:var(--mono);font-size:.8rem;color:var(--faint);letter-spacing:.04em;
  display:inline-block;margin-bottom:22px;
}
.eyebrow .kw{color:var(--g-blue)}
h1{
  font-family:var(--disp);font-weight:700;
  font-size:clamp(2.5rem,6vw,4.6rem);
  line-height:1.12;letter-spacing:-.01em;
  max-width:15ch;margin-bottom:26px;
}
.grad-text{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  font-size:clamp(1.05rem,1.6vw,1.25rem);font-weight:400;color:var(--ink);
  max-width:52ch;margin-bottom:16px;
}
.hero-sub{font-size:.98rem;color:var(--muted);max-width:62ch;margin-bottom:40px}
.cta-row{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.btn-main{
  font-family:var(--body);font-weight:500;font-size:1rem;color:#fff;text-decoration:none;
  padding:15px 34px;border-radius:14px;background:var(--grad);border:none;cursor:pointer;
  transition:transform .2s,box-shadow .25s;display:inline-block;
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 10px 34px rgba(233,30,200,.4)}
.btn-ghost{
  font-weight:400;font-size:1rem;color:var(--ink);text-decoration:none;
  padding:14px 30px;border-radius:14px;border:1px solid var(--surface-brd);
  background:rgba(148,170,255,.04);transition:.2s;
}
.btn-ghost:hover{border-color:rgba(148,170,255,.32);background:rgba(148,170,255,.09)}
.scroll-hint{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  color:var(--faint);font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;
  display:flex;flex-direction:column;align-items:center;gap:8px;z-index:2;
}
.scroll-hint::after{
  content:"";width:1px;height:34px;
  background:linear-gradient(var(--faint),transparent);
  animation:drop 2.2s ease-in-out infinite;
}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- SECTIONS ---------- */
section{position:relative;padding:110px clamp(20px,4vw,48px)}
.wrap{width:min(1180px,100%);margin:0 auto}
.sec-eyebrow{font-family:var(--mono);font-size:.8rem;color:var(--faint);letter-spacing:.03em;display:block;margin-bottom:14px}
.sec-eyebrow .kw{color:var(--g-mag)}
h2{
  font-family:var(--disp);font-weight:600;
  font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.15;margin-bottom:18px;
}
.sec-intro{color:var(--muted);max-width:66ch;font-size:1.02rem}

/* services */
#services{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.card{
  position:relative;border-radius:var(--r);
  background:var(--surface);
  border:1px solid var(--surface-brd);
  padding:34px 30px 36px;
  transition:transform .25s,border-color .25s,background .25s;
  overflow:hidden;
}
.card::before{ /* gradient top edge */
  content:"";position:absolute;inset:0 0 auto 0;height:2px;background:var(--grad);
  opacity:0;transition:opacity .25s;
}
.card:hover{transform:translateY(-5px);border-color:rgba(148,170,255,.26);background:rgba(148,170,255,.085)}
.card:hover::before{opacity:1}
.card-icon{
  width:52px;height:52px;border-radius:14px;margin-bottom:22px;
  display:grid;place-items:center;
  background:rgba(148,170,255,.08);border:1px solid var(--surface-brd);
}
.card h3{font-family:var(--disp);font-weight:600;font-size:1.32rem;margin-bottom:12px}
.card p{color:var(--muted);font-size:.95rem}
.card-tag{
  display:inline-block;margin-top:20px;font-family:var(--mono);font-size:.72rem;
  color:var(--faint);letter-spacing:.05em;
}

/* about */
#about{background:var(--bg-2)}
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;margin-top:10px}
.about-copy p{color:var(--muted);font-size:.98rem;margin-bottom:18px;max-width:62ch}
.about-copy p strong{color:var(--ink);font-weight:500}
.badge-row{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 6px}
.badge{
  font-family:var(--mono);font-size:.78rem;color:var(--muted);
  border:1px solid var(--surface-brd);border-radius:999px;padding:8px 16px;
  background:rgba(148,170,255,.04);
}
.badge b{color:var(--ink);font-weight:500}
.schema-fig{
  border-radius:var(--r);border:1px solid var(--surface-brd);
  background:radial-gradient(120% 120% at 30% 20%,rgba(63,169,245,.08),transparent 55%),
             radial-gradient(120% 120% at 80% 85%,rgba(233,30,200,.07),transparent 55%),
             var(--surface);
  padding:26px;display:flex;flex-direction:column;gap:14px;
}
.schema-fig svg{width:100%;height:auto;display:block}
.schema-cap{font-family:var(--mono);font-size:.72rem;color:var(--faint);text-align:center;letter-spacing:.04em}

/* contact */
#contact{background:linear-gradient(180deg,var(--bg-2),var(--bg) 65%)}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;margin-top:14px}
.contact-side p{color:var(--muted);font-size:.98rem;max-width:44ch;margin-bottom:26px}
.field{margin-bottom:20px}
.field label{display:block;font-size:.85rem;font-weight:400;color:var(--muted);margin-bottom:8px}
.field input,.field textarea{
  width:100%;font-family:var(--body);font-size:.96rem;color:var(--ink);
  background:rgba(148,170,255,.05);border:1px solid var(--surface-brd);
  border-radius:12px;padding:13px 16px;transition:border-color .2s,background .2s;
}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--g-blue);background:rgba(63,169,245,.07);
}
.field input::placeholder,.field textarea::placeholder{color:var(--faint)}
.field textarea{min-height:140px;resize:vertical}
.form-note{font-family:var(--mono);font-size:.72rem;color:var(--faint);margin-top:14px}
.sent{
  display:none;margin-top:18px;padding:14px 18px;border-radius:12px;
  border:1px solid rgba(63,169,245,.35);background:rgba(63,169,245,.1);
  color:var(--ink);font-size:.92rem;
}
.sent.show{display:block}
.err{border-color:rgba(255,107,44,.65)!important}

/* footer */
footer{
  border-top:1px solid rgba(148,170,255,.08);
  padding:34px clamp(20px,4vw,48px);
}
.foot{width:min(1180px,100%);margin:0 auto;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.foot-copy{color:var(--faint);font-size:.84rem;margin-left:auto}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .scroll-hint::after{animation:none}
  .btn-main:hover,.card:hover,.nav-cta:hover{transform:none}
}

/* responsive */
@media(max-width:960px){
  .cards{grid-template-columns:1fr;max-width:560px}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:44px}
  .schema-fig{max-width:520px}
}
@media(max-width:760px){
  .nav-links,.nav-cta{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;align-items:stretch;
    position:fixed;top:var(--nav-h);left:0;right:0;
    background:rgba(6,11,28,.96);backdrop-filter:blur(16px);
    padding:16px 20px 24px;border-bottom:1px solid var(--surface-brd);gap:6px;margin:0;
  }
  .nav-links.open a{padding:13px 14px;font-size:1rem}
  .lang{margin:10px 0 0}
  .burger{display:block}
  section{padding:84px 20px}
}

/* honeypot — ukryte pole antyspamowe (nie używać display:none, boty to wykrywają) */
.hp-field{
  position:absolute!important;left:-9999px!important;top:auto!important;
  width:1px;height:1px;overflow:hidden;opacity:0;pointer-events:none;
}
/* komunikat błędu wysyłki */
.sent-err{
  border-color:rgba(255,107,44,.45);
  background:rgba(255,107,44,.1);
}