@import url("fonts.css");

:root{
  --bg:#0c0e12;
  --bg-alt:#111318;
  --panel:#181b22;
  --panel2:#1e222a;
  --line:#282d38;
  --ink:#f2f4f7;
  --text:#c5cad3;
  --body:#c5cad3;
  --muted:#868c98;
  --accent:#f26a1b;
  --accent-2:#f2941b;
  --accent-dim:rgba(242,106,27,.14);
  --wrap:1180px;
  --radius:10px;
  --shadow:0 14px 40px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.2,1);
  --spring:linear(0, 0.63, 0.94, 1.08, 1.11, 1.07, 1.02, 0.995, 1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--body);
  background:var(--bg);
  line-height:1.68;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
/* Ambientowy gradient w tle calej strony — jeden, delikatny, stale w tej samej pozycji ekranu */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background:
    radial-gradient(50% 38% at 12% -8%, rgba(242,148,27,.10), transparent 70%),
    radial-gradient(45% 32% at 105% 22%, rgba(242,106,27,.07), transparent 70%);
}
/* Bardzo subtelna faktura ziarna — statyczna, tania w renderowaniu */
.grain{
  position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.035;
  mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:"Saira",sans-serif;letter-spacing:-.015em;line-height:1.1;color:var(--ink)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}

/* SCROLL RAIL — pasek postepu przewijania strony (styl "telemetrii") */
.scroll-rail{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;background:rgba(255,255,255,.05)}
.scroll-rail-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--accent-2),var(--accent));box-shadow:0 0 8px rgba(242,148,27,.6)}

/* CURSOR GLOW — miekka poswiata podazajaca za kursorem z bezwladnoscia (JS: lerp) */
.cursor-glow{
  position:fixed;top:0;left:0;width:420px;height:420px;
  margin-left:-210px;margin-top:-210px;
  border-radius:50%;pointer-events:none;z-index:1;
  background:radial-gradient(circle, rgba(242,148,27,.10), rgba(242,106,27,.04) 45%, transparent 72%);
  filter:blur(4px);
  opacity:0;
  transition:opacity .4s ease;
  will-change:transform;
}
.cursor-glow.is-active{opacity:1}
@media (hover:none), (pointer:coarse){ .cursor-glow{display:none} }

/* HEADER — pelna belka na starcie, plywajaca kapsula po przewinieciu (klasa .is-pill nadawana z JS) */
html{scroll-padding-top:90px}
body{padding-top:74px}

.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(12,14,18,.78);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:top .45s var(--ease),left .45s var(--ease),right .45s var(--ease),
             width .45s var(--ease),border-radius .45s var(--ease),
             background .35s,border-color .35s,box-shadow .45s var(--ease),
             transform .45s var(--ease),opacity .3s;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:20px;transition:min-height .45s var(--ease)}
.brand{display:inline-flex;background:#fff;padding:8px 12px;border-radius:8px;line-height:0;box-shadow:0 2px 10px rgba(0,0,0,.3);transition:transform .3s var(--spring)}
.brand:hover{transform:translateY(-1px) scale(1.02)}
.brand img{display:block}
.brand-dot{
  display:none;align-items:center;justify-content:center;flex:0 0 auto;
  width:30px;height:30px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent-2),var(--accent));
  color:#12140f;font-family:"Saira",sans-serif;font-weight:700;font-size:15px;line-height:0;
}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.main-nav a{position:relative;display:inline-flex;align-items:center;gap:7px;color:var(--text);font-weight:500;font-size:14px;letter-spacing:.01em;padding:8px 14px;transition:color .2s,padding .35s var(--ease)}
.main-nav a:hover{color:var(--ink);text-decoration:none}
.nav-num{font-family:"IBM Plex Mono",monospace;font-size:10.5px;color:var(--accent-2);opacity:.75;letter-spacing:.03em}
.main-nav a:hover .nav-num{opacity:1}
/* efekt "nawiasow HUD" wjezdzajacych przy hover */
.main-nav a::before,.main-nav a::after{
  content:"";position:absolute;top:4px;bottom:4px;width:6px;
  border:1px solid var(--accent-2);opacity:0;
  transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.main-nav a::before{left:0;border-right:none;transform:translateX(5px)}
.main-nav a::after{right:0;border-left:none;transform:translateX(-5px)}
.main-nav a:hover::before,.main-nav a:hover::after{opacity:1;transform:translateX(0)}
.nav-tip{display:none}
.nav-cta{background:linear-gradient(90deg,var(--accent-2),var(--accent));color:#12140f!important;font-weight:600;padding:9px 18px;border-radius:40px;transition:transform .3s var(--spring),filter .2s,padding .35s var(--ease)}
.nav-cta::before,.nav-cta::after{display:none}
.nav-cta:hover{filter:brightness(1.08);transform:scale(1.04);color:#12140f!important}
.nav-burger{display:none;font-size:26px;cursor:pointer;color:var(--ink);user-select:none}

/* PILL MODE (tylko desktop) — belka kurczy sie w plywajaca kapsule po przewinieciu strony */
@media(min-width:901px){
  .site-header.is-pill{
    top:14px;left:50%;right:auto;
    transform:translateX(-50%);
    width:auto;max-width:calc(100vw - 32px);
    border-radius:50px;
    border:1px solid var(--line);
    background:rgba(20,23,29,.68);
    backdrop-filter:blur(18px) saturate(1.4);
    box-shadow:0 12px 40px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.05);
  }
  .site-header.is-pill .wrap{padding:0 6px 0 16px}
  .site-header.is-pill .header-inner{min-height:52px;gap:2px}
  .site-header.is-pill .brand{display:none}
  .site-header.is-pill .brand-dot{display:inline-flex}
  .site-header.is-pill .nav-txt{display:none}
  .site-header.is-pill .main-nav{gap:0}
  .site-header.is-pill .main-nav a{padding:14px 11px}
  .site-header.is-pill .main-nav a::before,.site-header.is-pill .main-nav a::after{display:none}
  .site-header.is-pill .nav-tip{
    display:block;position:absolute;top:100%;left:50%;
    transform:translateX(-50%) translateY(0);
    background:var(--panel2);border:1px solid var(--line);border-radius:6px;
    padding:5px 10px;font-size:11.5px;white-space:nowrap;color:var(--ink);
    font-family:"IBM Plex Mono",monospace;letter-spacing:.02em;
    opacity:0;pointer-events:none;margin-top:6px;
    transition:opacity .2s var(--ease),transform .2s var(--ease);
  }
  .site-header.is-pill .main-nav a:hover .nav-tip{opacity:1;transform:translateX(-50%) translateY(4px)}
  .site-header.is-pill .nav-cta{padding:9px 16px;font-size:13.5px}

  /* chowanie przy scrollowaniu w dol, powrot przy scrollowaniu w gore */
  .site-header.is-pill.is-hidden{transform:translateX(-50%) translateY(-140%);opacity:0}
}

/* HERO */
.hero{position:relative;overflow:hidden;color:#fff;isolation:isolate}
.hero-photo{
  position:absolute;inset:-4%;
  background-size:cover;background-position:center;background-repeat:no-repeat;
  filter:saturate(.92) brightness(.9);
}
.hero-aurora{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(55% 60% at 14% 8%, rgba(242,148,27,.30), transparent 72%),
    radial-gradient(40% 45% at 88% 15%, rgba(242,106,27,.16), transparent 70%);
}
.hero-scrim{
  position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg, rgba(12,14,18,.94) 0%, rgba(12,14,18,.72) 42%, rgba(12,14,18,.32) 68%, rgba(12,14,18,.55) 100%);
}
.hero-inner{padding:132px 22px 142px;position:relative;z-index:1}
.eyebrow{font-family:"IBM Plex Mono",monospace;text-transform:uppercase;letter-spacing:.2em;font-size:12px;font-weight:500;color:var(--accent-2);margin:0 0 16px}
.hero h1{font-size:clamp(2.2rem,5.6vw,3.9rem);font-weight:700;margin:0 0 20px;color:#fff;letter-spacing:-.02em}
.hero h1 span{color:var(--accent-2)}
.lead{font-size:clamp(1.05rem,2vw,1.3rem);max-width:640px;color:#dde2e9;margin:0 0 32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 28px;border-radius:40px;font-weight:600;font-size:16px;transition:transform .35s var(--spring),filter .2s,background .2s}
.btn:hover{text-decoration:none;transform:translateY(-2px) scale(1.02)}
.btn-primary{background:linear-gradient(90deg,var(--accent-2),var(--accent));color:#12140f}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* STATS */
.stats{background:linear-gradient(90deg,#161920,#111318);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:34px 22px;text-align:center}
.stats-grid strong{display:block;font-family:"Saira",sans-serif;font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700;color:var(--accent-2);font-variant-numeric:tabular-nums}
.stats-grid span{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}

/* SECTIONS */
.section{padding:80px 0;border-bottom:1px solid var(--line);position:relative}
.section-alt{background:var(--bg-alt)}
.section-title{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:700;margin:0 0 40px;text-align:center;position:relative}
.section-title::after{content:"";display:block;width:60px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--accent-2),var(--accent));margin:16px auto 0}
.prose{max-width:900px;margin:0 auto}
.prose.narrow{max-width:760px}
.prose h3{color:var(--ink);font-size:1.28rem;margin:34px 0 10px}
.prose p{margin:0 0 16px}
.prose a{color:var(--accent-2)}
.center{text-align:center}
.accent{color:var(--accent-2)}

/* RENDER — obiekty 3D (PNG z usunietym bialym tlem) "unoszace sie" na ciemnym tle */
.render{
  position:relative;
  background:radial-gradient(120% 130% at 50% 8%, #23272f, var(--panel) 65%);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.render::after{
  content:"";
  position:absolute;left:14%;right:14%;bottom:8%;height:20%;
  background:radial-gradient(closest-side, rgba(0,0,0,.6), transparent 75%);
  filter:blur(5px);
  pointer-events:none;
}
.render img{
  position:relative;z-index:1;
  width:100%;height:100%;object-fit:contain;
  transition:transform .5s var(--ease);
}

/* CHART — wykresy/tabele z ciemnym tekstem: potrzebuja jasnego, cieplego podestu */
.chart{
  background:linear-gradient(160deg,#f2f0eb,#e4e1d9);
  border-radius:var(--radius);
  padding:22px;
  max-width:420px;
  margin:28px auto;
  box-shadow:var(--shadow);
}
.chart img{border-radius:4px}

/* DIAGRAM — grafiki z wlasna przezroczystoscia (nie wymagaja podestu), tylko ograniczenie rozmiaru */
.diagram{max-width:520px;margin:28px auto}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .35s var(--spring),border-color .28s,box-shadow .28s;color:var(--body)}
.card:hover{transform:translateY(-8px);border-color:rgba(242,106,27,.55);box-shadow:0 22px 50px rgba(0,0,0,.55),0 0 0 1px rgba(242,106,27,.25);text-decoration:none}
.card .render{height:210px}
.card .render img{padding:22px}
.card:hover .render img{transform:scale(1.08)}
.card-body{padding:22px}
.card-body h3{margin:0 0 8px;font-size:1.2rem}
.card-body p{margin:0 0 12px;font-size:14.5px;color:var(--muted)}
.more{color:var(--accent-2);font-family:"IBM Plex Mono",monospace;font-weight:500;font-size:13px;letter-spacing:.04em}

/* SPLIT */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:20px}
.split-media{border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:4/3}
.split-media img{padding:8%}
.split-text h3{margin-top:0}

/* FEATURES LIST */
.features{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.features li{position:relative;padding-left:28px;color:var(--text)}
.features li::before{content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:50%;background:linear-gradient(120deg,var(--accent-2),var(--accent));box-shadow:0 0 10px rgba(242,106,27,.5)}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:38px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:transform .35s var(--spring),border-color .28s}
.step:hover{transform:translateY(-6px);border-color:rgba(242,106,27,.5)}
.step .render{height:150px;border-radius:8px;margin-bottom:14px}
.step .render img{padding:16px}
.step:hover .render img{transform:scale(1.1)}
.step h3{margin:0 0 10px;color:var(--accent-2);font-family:"IBM Plex Mono",monospace;font-size:.95rem;text-transform:uppercase;letter-spacing:.06em}
.step ul{margin:0;padding-left:18px;font-size:14px;color:var(--muted)}
.step li{margin-bottom:5px}

/* TAGS */
.tags{list-style:none;padding:0;margin:0 auto;max-width:960px;display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.tags li{background:var(--panel);border:1px solid var(--line);border-radius:40px;padding:10px 20px;font-size:14.5px;color:var(--text);transition:border-color .2s,color .2s,transform .3s var(--spring)}
.tags li:hover{border-color:rgba(242,106,27,.6);color:var(--ink);transform:translateY(-2px) scale(1.04)}

/* DOWNLOADS */
.downloads{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1000px;margin:0 auto}
.dl{display:flex;align-items:center;gap:16px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);color:var(--ink);transition:transform .35s var(--spring),border-color .28s}
.dl:hover{transform:translateY(-5px);border-color:rgba(242,106,27,.55);text-decoration:none}
.dl img{border-radius:6px}
.dl span{display:flex;flex-direction:column}
.dl strong{font-size:15.5px;font-family:"Saira",sans-serif}
.dl em{font-style:normal;color:var(--accent-2);font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.05em;margin-top:4px;text-transform:uppercase}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:44px}
.contact-info h3{margin:0 0 4px;font-size:1.5rem}
.muted{color:var(--muted);margin:0 0 16px;font-family:"IBM Plex Mono",monospace;font-size:13px;letter-spacing:.04em}
.contact-info a{color:var(--accent-2)}
.people{display:grid;gap:16px;margin:24px 0}
.person{display:flex;flex-direction:column;gap:3px;padding:16px 18px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:border-color .2s,transform .3s var(--spring)}
.person:hover{border-color:rgba(242,106,27,.5);transform:translateY(-2px)}
.person strong{color:var(--ink);font-family:"Saira",sans-serif}
.linkedin{display:inline-flex;align-items:center;gap:10px;font-weight:600}
.linkedin img{border-radius:6px}
.contact-map{overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
.contact-map iframe{width:100%;display:block;filter:grayscale(.35) contrast(1.08) brightness(.92)}

/* FOOTER */
.site-footer{background:#08090c;color:var(--muted);padding:44px 0;text-align:center;border-top:1px solid var(--line)}
.footer-logo{margin:0 auto 16px;background:#fff;padding:8px 12px;border-radius:8px;display:inline-block}
.site-footer p{margin:5px 0;font-size:13.5px}
.tiny{font-size:12px;color:#666c78;font-family:"IBM Plex Mono",monospace}

/* ============ ANIMACJE ============ */

/* 1. Dynamiczne pojawianie sie (reveal) — sterowane JS przez klase .in */
.reveal{opacity:0;transform:translateY(38px);transition:opacity .8s var(--ease),transform .8s var(--ease);will-change:opacity,transform}
.reveal.in{opacity:1;transform:none}
/* schodkowe opoznienie dzieci w siatkach */
.stagger > *{opacity:0;transform:translateY(38px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.stagger.in > *{opacity:1;transform:none}
.stagger.in > *:nth-child(2){transition-delay:.09s}
.stagger.in > *:nth-child(3){transition-delay:.18s}
.stagger.in > *:nth-child(4){transition-delay:.27s}
.stagger.in > *:nth-child(5){transition-delay:.36s}
.stagger.in > *:nth-child(6){transition-delay:.45s}

/* 2. Obrazy: rosna w miare wchodzenia w kadr, maleja w miare wychodzenia (symetrycznie) */
@supports (animation-timeline: view()){
  @media (prefers-reduced-motion:no-preference){
    .render, .split-media, .chart, .diagram{
      animation:growShrink linear both;
      animation-timeline:view();
      animation-range:cover 0% cover 100%;
    }
    @keyframes growShrink{
      0%   {transform:scale(.78);opacity:.45}
      50%  {transform:scale(1);opacity:1}
      100% {transform:scale(.78);opacity:.45}
    }
    /* parallax naglowkow sekcji — delikatne wynurzanie */
    .section-title{
      animation:titleRise linear both;
      animation-timeline:view();
      animation-range:entry 0% entry 90%;
    }
    @keyframes titleRise{from{opacity:.15;transform:translateY(26px)}to{opacity:1;transform:none}}
    /* delikatny parallax zdjecia w tle hero */
    .hero-photo{
      animation:heroParallax linear both;
      animation-timeline:view();
      animation-range:cover 0% cover 100%;
    }
    @keyframes heroParallax{from{transform:translateY(-3%)}to{transform:translateY(5%)}}
  }
}

/* 3. Bezwladnosc / glebia hero przy przewijaniu */
@supports (animation-timeline: view()){
  @media (prefers-reduced-motion:no-preference){
    .hero-inner{
      animation:heroDrift linear both;
      animation-timeline:view();
      animation-range:exit 0% exit 100%;
    }
    @keyframes heroDrift{from{transform:translateY(0);opacity:1}to{transform:translateY(-60px);opacity:.55}}
  }
}

/* RESPONSIVE */
@media(max-width:900px){
  .cards,.steps,.downloads,.stats-grid{grid-template-columns:repeat(2,1fr)}
  .split,.contact-grid{grid-template-columns:1fr}
  .nav-burger{display:block}
  .main-nav{display:none;position:absolute;top:74px;left:0;right:0;background:var(--panel);flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);padding:8px 0}
  .main-nav a{padding:14px 22px;border-top:1px solid var(--line)}
  .nav-cta{border-radius:0;text-align:center;margin:8px 22px}
  #nav-toggle:checked ~ .main-nav{display:flex}
}
@media(max-width:560px){
  .cards,.steps,.downloads,.stats-grid{grid-template-columns:1fr}
  .hero-inner{padding:90px 22px 100px}
  .chart{padding:14px}
}

/* Dostepnosc: wylacz ruch dla osob preferujacych brak animacji */
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto}
  .reveal,.stagger>*{opacity:1;transform:none}
}