:root{
  --bg:#070d16;
  --bg-alt:#0b1626;
  --panel:#0e1c30;
  --panel-border:rgba(0,212,255,.14);
  --cyan:#00d4ff;
  --green:#00ffa3;
  --text:#e8eef4;
  --muted:#94a7bd;
  --danger:#ff3b5c;
  --mono:'Share Tech Mono',monospace;
  --safe-t:env(safe-area-inset-top,0px);
  --safe-b:env(safe-area-inset-bottom,0px);
}

*{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  font-family:'Inter',sans-serif;
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  line-height:1.6;
}

::selection{background:var(--cyan);color:#04121c}

a{color:inherit}

img{max-width:100%;display:block}

.container{max-width:1200px;margin:0 auto;padding:0 6%}

/* ===== BACKGROUND GRID ===== */

.grid-bg{
  position:fixed;
  inset:0;
  z-index:-2;
  background-image:
    linear-gradient(rgba(0,212,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,.06) 1px, transparent 1px);
  background-size:42px 42px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}

.noise-line{
  position:fixed;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  opacity:.5;
  z-index:5;
  animation:scan 7s linear infinite;
  pointer-events:none;
}

@keyframes scan{
  0%{top:0}
  100%{top:100vh}
}

/* ===== NAV ===== */

nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 6%;
  background:rgba(7,13,22,.7);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(0,212,255,.08);
  transition:padding .3s ease, background .3s ease;
}

nav.scrolled{
  padding:10px 6%;
  background:rgba(7,13,22,.92);
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  font-family:'Orbitron',sans-serif;
  font-weight:700;
  font-size:19px;
  letter-spacing:2px;
  color:var(--text);
}

.brand img{
  width:38px;
  height:38px;
  border-radius:9px;
  box-shadow:0 0 0 1px rgba(0,212,255,.3), 0 0 20px rgba(0,212,255,.25);
}

.nav-links{
  display:flex;
  align-items:center;
  gap:38px;
  list-style:none;
}

.nav-links a{
  text-decoration:none;
  color:var(--muted);
  font-size:14.5px;
  font-weight:500;
  letter-spacing:.3px;
  position:relative;
  transition:color .25s;
  padding:6px 0;
}

.nav-links a:not(.nav-cta):after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--cyan);
  transition:width .25s ease;
}

.nav-links a:not(.nav-cta):hover{color:var(--text)}
.nav-links a:not(.nav-cta):hover:after{width:100%}

.nav-cta{
  background:linear-gradient(90deg,var(--cyan),var(--green));
  color:#04121c !important;
  padding:10px 22px;
  border-radius:8px;
  font-weight:700 !important;
  font-size:14px !important;
}

.burger{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:6px;
  z-index:110;
}

.burger span{
  width:26px;
  height:2px;
  background:var(--text);
  transition:.3s;
}

.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== HERO ===== */

header{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  position:relative;
  padding:140px 6% 100px;
  background:radial-gradient(ellipse 70% 55% at 50% 20%,#0f2942,var(--bg) 75%);
  isolation:isolate;
}

header:before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background-image:radial-gradient(circle,rgba(0,255,163,.5) 1px,transparent 1.4px);
  background-size:90px 90px;
  opacity:.25;
}

.classified-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:2.5px;
  color:var(--green);
  border:1px solid rgba(0,255,163,.35);
  padding:8px 18px;
  border-radius:30px;
  background:rgba(0,255,163,.06);
  margin-bottom:28px;
  animation:fadeUp .8s ease both;
}

.classified-tag .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--green);
  box-shadow:0 0 8px var(--green);
  animation:pulse 1.8s ease-in-out infinite;
}

@keyframes pulse{
  0%,100%{opacity:1}
  50%{opacity:.35}
}

.logo-hero{
  width:110px;
  margin-bottom:30px;
  border-radius:22px;
  box-shadow:0 0 0 1px rgba(0,212,255,.3), 0 0 50px rgba(0,212,255,.25);
  animation:fadeUp 1s ease both;
}

h1{
  font-family:'Orbitron',sans-serif;
  font-size:clamp(42px,7vw,72px);
  letter-spacing:5px;
  font-weight:800;
  background:linear-gradient(90deg,#00d4ff,#00ffa3);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  animation:fadeUp 1.1s ease both;
}

.subtitle{
  margin-top:18px;
  font-size:clamp(16px,2.2vw,21px);
  color:var(--muted);
  max-width:640px;
  animation:fadeUp 1.25s ease both;
}

.hero-terminal{
  margin-top:36px;
  font-family:var(--mono);
  font-size:14px;
  color:var(--cyan);
  background:rgba(0,0,0,.35);
  border:1px solid var(--panel-border);
  border-radius:10px;
  padding:14px 22px;
  min-height:22px;
  animation:fadeUp 1.4s ease both;
}

.hero-terminal .cursor{
  display:inline-block;
  width:8px;height:16px;
  background:var(--cyan);
  margin-left:2px;
  vertical-align:middle;
  animation:blink 1s step-end infinite;
}

@keyframes blink{50%{opacity:0}}

.hero-cta{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  justify-content:center;
  margin-top:42px;
  animation:fadeUp 1.55s ease both;
}

.btn{
  padding:16px 40px;
  border-radius:30px;
  text-decoration:none;
  font-weight:600;
  font-size:15px;
  transition:.3s;
  display:inline-block;
  border:1px solid transparent;
}

.btn-primary{
  background:var(--cyan);
  color:#0b1623;
}

.btn-primary:hover{
  background:var(--green);
  transform:translateY(-3px);
  box-shadow:0 10px 30px rgba(0,255,163,.35);
}

.btn-ghost{
  border:1px solid rgba(0,212,255,.35);
  color:var(--text);
  background:rgba(0,212,255,.05);
}

.btn-ghost:hover{
  background:rgba(0,212,255,.14);
  transform:translateY(-3px);
}

.trust-strip{
  margin-top:64px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
  animation:fadeUp 1.7s ease both;
}

.trust-chip{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:1px;
  color:var(--muted);
  border:1px solid rgba(148,167,189,.25);
  padding:7px 16px;
  border-radius:20px;
  background:rgba(255,255,255,.02);
}

@keyframes fadeUp{
  from{opacity:0;transform:translateY(22px)}
  to{opacity:1;transform:translateY(0)}
}

/* ===== SECTIONS ===== */

section{
  padding:120px 6%;
  position:relative;
}

.eyebrow{
  display:block;
  text-align:center;
  font-family:var(--mono);
  color:var(--green);
  letter-spacing:3px;
  font-size:12.5px;
  margin-bottom:14px;
}

h2{
  font-family:'Orbitron',sans-serif;
  font-size:clamp(28px,4vw,40px);
  margin-bottom:20px;
  color:var(--text);
  text-align:center;
}

.section-lede{
  max-width:640px;
  margin:0 auto 60px;
  text-align:center;
  color:var(--muted);
  font-size:16px;
}

.reveal{
  opacity:0;
  transform:translateY(30px);
  transition:opacity .7s ease, transform .7s ease;
}

.reveal.in{
  opacity:1;
  transform:translateY(0);
}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:32px;
}

.card{
  background:linear-gradient(160deg,var(--panel),#0a1424);
  padding:40px 34px;
  border-radius:18px;
  transition:.4s;
  border:1px solid var(--panel-border);
  position:relative;
  overflow:hidden;
}

.card:before{
  content:"";
  position:absolute;
  top:-50%;
  left:-50%;
  width:200%;
  height:200%;
  background:radial-gradient(circle,rgba(0,212,255,.09),transparent 70%);
  transform:rotate(25deg);
  pointer-events:none;
}

.card:hover{
  transform:translateY(-10px);
  box-shadow:0 20px 50px rgba(0,212,255,.15);
  border-color:rgba(0,212,255,.4);
}

.card-icon{
  width:52px;
  height:52px;
  border-radius:13px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(0,212,255,.08);
  border:1px solid rgba(0,212,255,.25);
  margin-bottom:22px;
}

.card-icon svg{width:26px;height:26px;stroke:var(--cyan)}

.card h3{
  margin-bottom:14px;
  color:#fff;
  font-size:19px;
  font-weight:600;
}

.card p, .card ul{
  font-size:15px;
  line-height:1.75;
  color:var(--muted);
}

.card ul{
  margin-top:12px;
  margin-left:20px;
}

.card li{margin-bottom:6px}

/* ===== PROCESS TIMELINE ===== */

.timeline{
  max-width:820px;
  margin:0 auto;
  position:relative;
}

.timeline:before{
  content:"";
  position:absolute;
  left:23px;
  top:10px;
  bottom:10px;
  width:2px;
  background:linear-gradient(180deg,var(--cyan),var(--green) 70%,transparent);
}

.timeline-step{
  position:relative;
  padding-left:70px;
  margin-bottom:52px;
}

.timeline-step:last-child{margin-bottom:0}

.timeline-num{
  position:absolute;
  left:0;top:-2px;
  width:48px;height:48px;
  border-radius:50%;
  background:var(--bg-alt);
  border:2px solid var(--cyan);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:'Orbitron',sans-serif;
  font-weight:700;
  color:var(--cyan);
  box-shadow:0 0 20px rgba(0,212,255,.3);
}

.timeline-step h3{
  font-size:19px;
  margin-bottom:8px;
  color:#fff;
}

.timeline-step p{color:var(--muted);font-size:15px}

/* ===== BADGES / CERTS ===== */

.badges{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  justify-content:center;
  margin-top:56px;
}

.badge{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:1px;
  padding:12px 22px;
  border-radius:10px;
  border:1px solid rgba(0,255,163,.25);
  color:var(--green);
  background:rgba(0,255,163,.04);
}

/* ===== FAQ ===== */

.faq{
  max-width:820px;
  margin:0 auto;
}

.faq-item{
  border:1px solid var(--panel-border);
  border-radius:14px;
  margin-bottom:16px;
  overflow:hidden;
  background:var(--panel);
}

.faq-q{
  width:100%;
  text-align:left;
  background:none;
  border:none;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  padding:22px 26px;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  font-family:'Inter',sans-serif;
}

.faq-q .plus{
  font-family:var(--mono);
  color:var(--cyan);
  font-size:20px;
  transition:transform .3s;
  flex-shrink:0;
}

.faq-item.open .plus{transform:rotate(45deg)}

.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}

.faq-a p{
  padding:0 26px 24px;
  color:var(--muted);
  font-size:15px;
  line-height:1.75;
}

/* ===== CONTACT ===== */

.contact{
  background:linear-gradient(180deg,var(--bg-alt),var(--bg));
  text-align:center;
}

.contact-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:24px;
  max-width:760px;
  margin:0 auto;
}

.contact-card{
  background:var(--panel);
  border:1px solid var(--panel-border);
  border-radius:16px;
  padding:34px 24px;
  transition:.3s;
}

.contact-card:hover{
  border-color:rgba(0,212,255,.4);
  transform:translateY(-6px);
}

.contact-card .card-icon{margin:0 auto 18px}

.contact-card a{
  color:var(--cyan);
  font-weight:600;
  text-decoration:none;
  font-size:16px;
}

.contact-card a:hover{color:var(--green)}

.contact-note{
  margin-top:40px;
  font-family:var(--mono);
  font-size:13px;
  color:var(--muted);
  letter-spacing:.5px;
}

/* ===== FOOTER ===== */

footer{
  background:#040910;
  padding:50px 6% 30px;
  border-top:1px solid rgba(0,212,255,.08);
}

.footer-inner{
  display:flex;
  flex-wrap:wrap;
  gap:30px;
  justify-content:space-between;
  align-items:center;
  max-width:1200px;
  margin:0 auto 24px;
}

.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-family:'Orbitron',sans-serif;
  letter-spacing:2px;
  font-weight:700;
  font-size:16px;
}

.footer-brand img{width:30px;height:30px;border-radius:7px}

.footer-links{
  display:flex;
  gap:28px;
  list-style:none;
  flex-wrap:wrap;
}

.footer-links a{
  color:var(--muted);
  text-decoration:none;
  font-size:14px;
  transition:color .2s;
}

.footer-links a:hover{color:var(--cyan)}

.footer-bottom{
  text-align:center;
  color:#5c6c7e;
  font-size:13px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.05);
}

/* ===== RESPONSIVE ===== */

@media (max-width:860px){
  .nav-links{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(78vw,320px);
    background:rgba(7,13,22,.98);
    backdrop-filter:blur(14px);
    flex-direction:column;
    justify-content:center;
    gap:34px;
    transform:translateX(100%);
    transition:transform .35s ease;
    border-left:1px solid rgba(0,212,255,.15);
  }
  .nav-links.open{transform:translateX(0)}
  .burger{display:flex}
  section{padding:90px 6%}
}

/* ===== REDUCED MOTION ===== */

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* ===== SAFE AREA (notched devices) ===== */

nav{padding-top:calc(16px + var(--safe-t))}
nav.scrolled{padding-top:calc(10px + var(--safe-t))}
footer{padding-bottom:calc(30px + var(--safe-b))}

/* ===== SCROLL PROGRESS ===== */

.scroll-progress{
  position:fixed;
  top:0;left:0;
  height:3px;
  width:0%;
  background:linear-gradient(90deg,var(--cyan),var(--green));
  z-index:200;
  box-shadow:0 0 10px rgba(0,212,255,.6);
}

/* ===== PRELOADER ===== */

.preloader{
  position:fixed;
  inset:0;
  z-index:999;
  background:var(--bg);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:22px;
  transition:opacity .6s ease, visibility .6s ease;
}

.preloader.hidden{opacity:0;visibility:hidden;pointer-events:none}

.preloader-logo{
  width:64px;height:64px;
  padding:16px;
  border-radius:16px;
  background:#0e1c30;
  box-shadow:0 0 0 1px rgba(0,212,255,.35),0 0 40px rgba(0,212,255,.3);
  animation:pulse 1.6s ease-in-out infinite;
  stroke:#00d4ff;
}

.preloader-bar{
  width:220px;height:3px;
  background:rgba(255,255,255,.08);
  border-radius:3px;
  overflow:hidden;
}

.preloader-bar span{
  display:block;
  height:100%;
  width:0%;
  background:linear-gradient(90deg,var(--cyan),var(--green));
  animation:load 1.3s ease forwards;
}

@keyframes load{to{width:100%}}

.preloader-text{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:2px;
  color:var(--muted);
}

/* ===== HERO CANVAS ===== */

.hero-canvas{
  position:absolute;
  inset:0;
  z-index:-1;
  opacity:.6;
}

/* ===== CURSOR SPOTLIGHT ===== */

.spotlight{
  position:fixed;
  inset:0;
  z-index:1;
  pointer-events:none;
  background:radial-gradient(600px circle at var(--x,50%) var(--y,50%), rgba(0,212,255,.06), transparent 60%);
}

/* ===== HUD CORNER ACCENTS ON CARDS ===== */

.card{isolation:isolate}

.card:after{
  content:"";
  position:absolute;
  inset:10px;
  border-top:1px solid transparent;
  border-left:1px solid transparent;
  transition:border-color .35s;
  pointer-events:none;
}

.card:hover:after{
  border-top-color:rgba(0,255,163,.5);
  border-left-color:rgba(0,255,163,.5);
}

@media (hover:hover) and (pointer:fine){
  .card{will-change:transform}
}

/* ===== BENTO LAYOUT FOR ZAKRES USŁUG ===== */

@media (min-width:860px){
  #oferta .grid{grid-template-columns:repeat(2,1fr)}
  #oferta .card-feature{grid-column:span 2}
}

/* ===== BACK TO TOP ===== */

.to-top{
  position:fixed;
  right:calc(26px + env(safe-area-inset-right,0px));
  bottom:calc(26px + var(--safe-b));
  width:48px;height:48px;
  border-radius:50%;
  background:rgba(14,28,48,.85);
  border:1px solid var(--panel-border);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  color:var(--cyan);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  opacity:0;
  transform:translateY(12px);
  transition:opacity .3s, transform .3s, border-color .3s;
  z-index:90;
}

.to-top.show{opacity:1;transform:translateY(0)}
.to-top:hover{border-color:var(--cyan)}
.to-top svg{width:20px;height:20px;stroke:currentColor}

/* ===== VISUAL BANNER (VAULT ILLUSTRATION) ===== */

.visual-banner{
  padding:10px 6% 100px;
  text-align:center;
}

.vault-wrap{
  max-width:320px;
  margin:0 auto;
}

.vault-svg{
  width:100%;
  height:auto;
  filter:drop-shadow(0 0 40px rgba(0,212,255,.22));
}

.clx-badge{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:1.5px;
  padding:9px 18px;
  border-radius:20px;
  border:1px solid rgba(255,59,92,.35);
  color:var(--danger);
  background:rgba(255,59,92,.06);
}

/* ===== FEATURE CARD ILLUSTRATION ===== */

.card-feature-art{
  margin-top:24px;
  display:flex;
  justify-content:center;
}

.card-feature-art img{width:150px;height:auto}

@media (min-width:860px){
  .card-feature{display:flex;align-items:center;gap:36px}
  .card-feature-text{flex:1}
  .card-feature-art{margin-top:0;flex:0 0 160px}
}

/* ===== PER-CARD THEMATIC ILLUSTRATIONS ===== */

.card-art{
  display:flex;
  justify-content:center;
  margin-bottom:22px;
}

.card-art img{
  width:120px;
  height:120px;
  filter:drop-shadow(0 8px 22px rgba(0,212,255,.18));
}

/* ===== CIRCUIT WATERMARK (DLACZEGO SECTION) ===== */

#dlaczego{
  background-image:
    linear-gradient(90deg, rgba(0,212,255,.04) 1px, transparent 1px),
    linear-gradient(0deg, rgba(0,212,255,.04) 1px, transparent 1px),
    radial-gradient(rgba(0,255,163,.12) 1.5px, transparent 1.6px);
  background-size:60px 60px, 60px 60px, 60px 60px;
  background-position:0 0, 0 0, 30px 30px;
}

/* ===== TIMELINE ICONS ===== */

.timeline-num svg{width:22px;height:22px;stroke:var(--cyan)}

.step-no{
  position:absolute;
  bottom:-6px;
  right:-6px;
  width:20px;height:20px;
  border-radius:50%;
  background:var(--bg-alt);
  border:1px solid var(--cyan);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:10px;
  font-family:var(--mono);
  color:var(--green);
}