/* ============================================================
   BBNovaTech — design system "Nova"
   Paleta: navy #081C2C · teal #00C2C7 · light #F4F7F7 · sand #D7C7AE · ink #26343D
   ============================================================ */
:root{
  --navy:#081C2C;
  --teal:#00C2C7;
  --light:#F4F7F7;
  --sand:#D7C7AE;
  --ink:#26343D;
  --navy-soft:#0E2A3F;
  --line:rgba(38,52,61,.12);
  --line-light:rgba(244,247,247,.14);
  --display:'Sora',system-ui,sans-serif;
  --body:'IBM Plex Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--light);line-height:1.6;font-size:16px}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:4px}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}

/* ---------- przyciski ---------- */
.btn{display:inline-block;font-family:var(--display);font-weight:600;font-size:.95rem;padding:.75rem 1.5rem;border-radius:8px;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s,color .18s;border:0;cursor:pointer;text-align:center}
.btn-primary{background:var(--teal);color:var(--navy)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,194,199,.35)}
.btn-ghost{color:var(--light);border:1px solid rgba(244,247,247,.3);background:transparent}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn-dark{background:var(--navy);color:var(--light)}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(8,28,44,.3)}
.btn-outline{color:var(--navy);border:1px solid var(--line);background:transparent}
.btn-outline:hover{border-color:var(--teal);color:var(--teal)}

/* ---------- nagłówek ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--navy);border-bottom:1px solid var(--line-light)}
.nav{display:flex;align-items:center;gap:28px;height:68px}
.brand{font-family:var(--display);font-weight:800;font-size:1.15rem;color:var(--light);letter-spacing:-.02em;white-space:nowrap}
.brand em{font-style:normal;color:var(--teal)}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links{display:flex;gap:24px}
.nav-links a{color:rgba(244,247,247,.75);font-size:.92rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--teal)}
.nav-links a.active{color:var(--teal)}
.lang{font-family:var(--mono);font-size:.8rem;color:rgba(244,247,247,.6)}
.lang b{color:var(--light);font-weight:500}
.lang a:hover{color:var(--teal)}
.nav .btn{padding:.55rem 1.1rem;font-size:.85rem}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:10px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--light);margin:5px 0;transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero (strona główna) ---------- */
.hero{background:var(--navy);color:var(--light);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(244,247,247,.07) 1px,transparent 1px);background-size:26px 26px;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:84px 0 96px}
.eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:20px}
.hero h1{font-family:var(--display);font-weight:800;font-size:clamp(2.2rem,4.6vw,3.5rem);line-height:1.12;letter-spacing:-.03em;margin-bottom:22px}
.hero h1 .accent{color:var(--teal)}
.hero p.lead{font-size:1.08rem;color:rgba(244,247,247,.78);max-width:44ch;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-note{font-family:var(--mono);font-size:.78rem;color:var(--sand);margin-top:22px}
.rise{opacity:0;transform:translateY(16px);animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards}
.d1{animation-delay:.05s}.d2{animation-delay:.15s}.d3{animation-delay:.25s}.d4{animation-delay:.35s}.d5{animation-delay:.5s}
@keyframes rise{to{opacity:1;transform:none}}

/* diagram workflow w hero */
.flow{position:relative}
.flow svg{width:100%;height:auto}
.flow .node-box{fill:var(--navy-soft);stroke:rgba(244,247,247,.18);stroke-width:1}
.flow .node-box.core{stroke:var(--teal);stroke-width:1.5}
.flow .node-tag{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;fill:var(--sand)}
.flow .node-name{font-family:var(--display);font-weight:600;font-size:13px;fill:#F4F7F7}
.flow .edge{fill:none;stroke:rgba(244,247,247,.28);stroke-width:1.5}
.flow .edge.ctx{stroke-dasharray:4 5;stroke:rgba(215,199,174,.5)}
.flow .pulse{fill:var(--teal)}
.flow .pulse.sand{fill:var(--sand)}
.flow-status{display:inline-flex;align-items:center;gap:10px;margin-top:18px;font-family:var(--mono);font-size:.78rem;color:rgba(244,247,247,.7);border:1px solid rgba(244,247,247,.18);border-radius:999px;padding:.45rem 1rem}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--teal);animation:blink 1.6s ease-in-out infinite}
@keyframes blink{50%{opacity:.25}}

/* ---------- hero podstron ---------- */
.page-hero{background:var(--navy);color:var(--light);position:relative;overflow:hidden;padding:64px 0 72px}
.page-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(244,247,247,.07) 1px,transparent 1px);background-size:26px 26px;pointer-events:none}
.page-hero .wrap{position:relative}
.page-hero h1{font-family:var(--display);font-weight:800;font-size:clamp(2rem,4vw,3rem);line-height:1.14;letter-spacing:-.03em;margin-bottom:18px;max-width:22ch}
.page-hero h1 .accent{color:var(--teal)}
.page-hero p.lead{font-size:1.05rem;color:rgba(244,247,247,.78);max-width:56ch;margin-bottom:0}
.page-hero .hero-cta{margin-top:30px}

/* ---------- sekcje ---------- */
section{padding:88px 0}
.sec-head{max-width:640px;margin-bottom:52px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .eyebrow{color:var(--ink);opacity:.55}
.sec-head h2{font-family:var(--display);font-weight:700;font-size:clamp(1.7rem,3vw,2.4rem);letter-spacing:-.02em;line-height:1.2;margin-bottom:14px;color:var(--navy)}
.sec-head p{color:rgba(38,52,61,.75)}
.section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- karty usług ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cards.two{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 26px;display:flex;flex-direction:column;gap:14px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(8,28,44,.1);border-color:var(--teal)}
.card .tag{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);background:rgba(0,194,199,.09);align-self:flex-start;padding:.3rem .6rem;border-radius:6px}
.card h3{font-family:var(--display);font-weight:700;font-size:1.2rem;color:var(--navy)}
.card p{font-size:.95rem;color:rgba(38,52,61,.8);flex-grow:1}
.card .more{font-weight:600;font-size:.9rem;color:var(--navy)}
.card .more::after{content:" →";color:var(--teal)}
.card:hover .more{color:var(--teal)}
.card .check-list{margin-top:2px}

/* listy z "ptaszkiem" */
.check-list li{position:relative;padding-left:26px;margin-bottom:8px;font-size:.95rem;color:rgba(38,52,61,.85)}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--teal);font-weight:700}
.on-dark .check-list li,.check-list.on-dark li{color:rgba(244,247,247,.82)}

/* ---------- sekcje dzielone (obraz/treść) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split + .split{margin-top:72px}
.split-visual{background:var(--navy);border-radius:14px;padding:36px;color:var(--light);position:relative;overflow:hidden}
.split-visual::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(244,247,247,.07) 1px,transparent 1px);background-size:22px 22px;pointer-events:none}
.split-visual .inner{position:relative}
.split h3{font-family:var(--display);font-weight:700;font-size:clamp(1.35rem,2.4vw,1.8rem);letter-spacing:-.02em;color:var(--navy);margin-bottom:14px}
.split .eyebrow{margin-bottom:12px}
.split p{color:rgba(38,52,61,.8);margin-bottom:18px}
.split p.eyebrow{color:rgba(38,52,61,.55)}
.split-visual .eyebrow{margin-bottom:14px}
.split-visual img{border-radius:10px;width:100%}
.split-visual .logo-shot{max-width:280px;margin:0 auto 6px}
.split-visual p.eyebrow{color:var(--sand)}
.split-visual .flow-status{margin-top:22px}
.mini-flow{counter-reset:mf}
.mini-flow li{position:relative;padding-left:36px;margin-bottom:12px;color:rgba(244,247,247,.85);counter-increment:mf}
.mini-flow li::before{content:"0" counter(mf);position:absolute;left:0;top:3px;font-family:var(--mono);font-size:.72rem;color:var(--teal)}

/* chipy technologii */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chips span{font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;padding:.35rem .7rem;border:1px solid var(--line);border-radius:999px;color:rgba(38,52,61,.75);background:#fff}
.on-dark .chips span{border-color:rgba(244,247,247,.25);color:rgba(244,247,247,.8);background:transparent}

/* ---------- proces ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;counter-reset:step}
.steps.three{grid-template-columns:repeat(3,1fr)}
.steps::before{content:"";position:absolute;top:23px;left:12%;right:12%;height:2px;background:repeating-linear-gradient(90deg,var(--sand) 0 10px,transparent 10px 18px)}
.step{position:relative;padding:0 18px;text-align:center;counter-increment:step}
.step .n{width:48px;height:48px;margin:0 auto 18px;border-radius:50%;background:var(--navy);color:var(--sand);font-family:var(--mono);font-size:.85rem;display:flex;align-items:center;justify-content:center;position:relative;z-index:1;border:3px solid #fff;box-shadow:0 0 0 1px var(--line)}
.step .n::before{content:"0" counter(step)}
.step h4{font-family:var(--display);font-weight:700;font-size:1.02rem;color:var(--navy);margin-bottom:8px}
.step p{font-size:.88rem;color:rgba(38,52,61,.75)}

/* ---------- pasek produktów (sand) ---------- */
.products{background:var(--sand)}
.products .sec-head h2,.products .sec-head .eyebrow{color:var(--navy)}
.prod-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.prod{background:var(--navy);color:var(--light);border-radius:14px;padding:34px 30px;display:flex;flex-direction:column;gap:12px;transition:transform .2s,box-shadow .2s}
.prod:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(8,28,44,.35)}
.prod .tag{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--sand)}
.prod h3{font-family:var(--display);font-weight:700;font-size:1.35rem}
.prod p{color:rgba(244,247,247,.75);font-size:.95rem;flex-grow:1}
.prod .more{font-weight:600;font-size:.9rem;color:var(--teal)}

/* ---------- statystyki ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;text-align:center}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 20px}
.stat b{display:block;font-family:var(--display);font-weight:800;font-size:2.2rem;color:var(--navy);letter-spacing:-.02em}
.stat span{font-size:.9rem;color:rgba(38,52,61,.7)}

/* ---------- karty szablonów n8n ---------- */
.tpl-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.tpl{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.tpl:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(8,28,44,.1);border-color:var(--teal)}
.tpl .shot{background:var(--navy);padding:18px;border-bottom:1px solid var(--line)}
.tpl .shot img{border-radius:8px;width:100%}
.tpl .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex-grow:1}
.tpl h3{font-family:var(--display);font-weight:700;font-size:1.15rem;color:var(--navy)}
.tpl p{font-size:.93rem;color:rgba(38,52,61,.8);flex-grow:1}
.tpl .chips{margin-top:0}
.tpl .shot p.eyebrow{color:var(--sand)}
.tpl .btn{align-self:flex-start;margin-top:6px}

/* lista plików do pobrania */
.dl-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dl-list a{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 18px;font-family:var(--mono);font-size:.85rem;color:var(--navy);transition:border-color .2s,transform .2s}
.dl-list a:hover{border-color:var(--teal);transform:translateY(-2px)}
.dl-list a::after{content:"↓ JSON";color:var(--teal);font-size:.75rem;letter-spacing:.08em;white-space:nowrap}

/* ---------- FAQ ---------- */
.faq{max-width:760px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq details[open]{border-color:var(--teal)}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-family:var(--display);font-weight:600;color:var(--navy);position:relative;padding-right:48px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-family:var(--mono);color:var(--teal);font-size:1.2rem}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 22px 20px;color:rgba(38,52,61,.8);font-size:.95rem}

/* ---------- dane demo ---------- */
.demo-box{background:var(--navy-soft);border:1px solid rgba(244,247,247,.18);border-radius:12px;padding:20px 22px;font-family:var(--mono);font-size:.9rem;color:var(--light)}
.demo-box .row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 0}
.demo-box .lbl{color:var(--sand);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase}
.demo-box button{font-family:var(--mono);font-size:.72rem;background:transparent;border:1px solid rgba(244,247,247,.3);color:var(--light);border-radius:6px;padding:.3rem .7rem;cursor:pointer;transition:border-color .2s,color .2s}
.demo-box button:hover{border-color:var(--teal);color:var(--teal)}
.demo-box button.copied{border-color:var(--teal);color:var(--teal)}

/* ---------- CTA ---------- */
.cta{background:var(--navy);color:var(--light);text-align:center}
.cta h2{font-family:var(--display);font-weight:800;font-size:clamp(1.8rem,3.4vw,2.6rem);letter-spacing:-.02em;margin-bottom:16px}
.cta p{color:rgba(244,247,247,.75);max-width:52ch;margin:0 auto 32px}
.cta .hero-cta{justify-content:center}

/* ---------- formularz kontaktowy ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
.form-field label{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(38,52,61,.6);margin-bottom:6px}
.form-field input,.form-field textarea{width:100%;font-family:var(--body);font-size:.95rem;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:10px;padding:.8rem 1rem;transition:border-color .2s}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(0,194,199,.15)}
.form-field textarea{min-height:150px;resize:vertical}
.form-status{margin-top:14px;font-size:.9rem;display:none}
.form-status.ok{display:block;color:#0a7c4a}
.form-status.err{display:block;color:#b3261e}
.info-tiles{display:flex;flex-direction:column;gap:14px}
.info-tile{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px}
.info-tile .lbl{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);margin-bottom:6px}
.info-tile b{font-family:var(--display);font-weight:600;color:var(--navy);font-size:1.02rem}
.info-tile p{font-size:.9rem;color:rgba(38,52,61,.75)}

/* ---------- stopka ---------- */
.site-footer{background:var(--navy);color:rgba(244,247,247,.6);border-top:1px solid var(--line-light);padding:56px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.foot-grid h4{font-family:var(--display);font-weight:700;font-size:.95rem;color:var(--light);margin-bottom:16px}
.foot-grid .brand{display:inline-block;margin-bottom:14px}
.foot-grid p{font-size:.88rem;max-width:34ch}
.foot-grid ul li{margin-bottom:10px}
.foot-grid a{font-size:.88rem;transition:color .2s}
.foot-grid a:hover{color:var(--teal)}
.foot-contact li{font-family:var(--mono);font-size:.82rem}
.foot-bottom{border-top:1px solid var(--line-light);padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:.82rem}
.foot-bottom .mono{font-family:var(--mono);font-size:.75rem;color:rgba(244,247,247,.4)}

/* ---------- 404 ---------- */
.err-page{min-height:60vh;display:flex;align-items:center;text-align:center}
.err-page .code{font-family:var(--mono);font-size:clamp(4rem,12vw,7rem);color:var(--teal);line-height:1}

/* ---------- responsywność ---------- */
@media(max-width:960px){
  .nav-toggle{display:block}
  .nav-menu{position:absolute;top:68px;left:0;right:0;background:var(--navy);border-bottom:1px solid var(--line-light);flex-direction:column;align-items:flex-start;gap:0;padding:10px 24px 22px;display:none;margin-left:0}
  .nav-menu.open{display:flex}
  .nav-links{flex-direction:column;gap:0;width:100%}
  .nav-links a{display:block;padding:12px 0;font-size:1rem}
  .nav-menu .lang{padding:12px 0}
  .nav-menu .btn{margin-top:10px}
}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;padding:56px 0 64px}
  .cards,.cards.two{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr;row-gap:40px}
  .steps::before{display:none}
  .prod-grid,.tpl-grid,.dl-list{grid-template-columns:1fr}
  .split,.contact-grid{grid-template-columns:1fr}
  .split + .split{margin-top:56px}
  .split.rev .split-visual{order:-1}
  .stats{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  section{padding:64px 0}
}
@media(max-width:560px){
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  .rise{opacity:1;transform:none;animation:none}
  .dot-live{animation:none}
  .flow .pulses{display:none}
  .btn,.card,.prod,.tpl{transition:none}
  html{scroll-behavior:auto}
}