:root{
  --bg:#FFFFFF;
  --bg-soft:#F7F7F5;
  --bg-soft-2:#F5F6F8;
  --bg-blue:#EFF5FF;
  --bg-blue-border:#E1ECFC;
  --border:#ECECE9;
  --ink:#14161A;
  --ink-press:#000000;
  --text-body:#4A4E56;
  --text-muted:#6B7078;
  --text-faint:#9297A0;
  --lead:#5B5F67;
  --accent:#0A84FF;
  --accent-press:#0A6FD8;
  --safe:#17A672;
  --alarm:#E0392E;
  --r-sm:14px;
  --r-md:20px;
  --r-lg:28px;
  --shadow-sm:0 2px 6px rgba(20,22,26,.05);
  --shadow-md:0 10px 28px rgba(20,22,26,.08);
  --shadow-lg:0 30px 70px rgba(20,22,26,.16);
  --container:1160px;
  --pad-x:clamp(20px, 5vw, 120px);
  --sec-y:clamp(64px, 9vw, 132px);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing:antialiased;
  line-height:1.4;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{margin:0; padding:0; list-style:none;}
h1,h2,h3,p{margin:0;}
section{position:relative;}
.container{max-width:var(--container); margin:0 auto; padding-left:var(--pad-x); padding-right:var(--pad-x);}
.eyebrow{font-size:13px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--accent);}
.sr-only{position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap;}

a:focus-visible, button:focus-visible{outline:2.5px solid var(--accent); outline-offset:3px; border-radius:8px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important;}
}

/* ---------- Scroll reveal (progressive enhancement, see js/main.js) ---------- */
.js-reveal .reveal{opacity:0; transform:translateY(18px); transition:opacity .6s cubic-bezier(.22,1,.36,1), transform .6s cubic-bezier(.22,1,.36,1);}
.js-reveal .reveal.is-visible{opacity:1; transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  .js-reveal .reveal{opacity:1; transform:none; transition:none;}
}

/* ---------- Buttons ---------- */
.btn-store{display:inline-flex; align-items:center; background:transparent; border-radius:10px; padding:0; box-shadow:none; line-height:0; transition:transform .18s ease, opacity .18s ease;}
.btn-store img{width:clamp(104px,26vw,120px); height:auto; display:block;}
.btn-store:hover{transform:translateY(-2px); opacity:.85;}
.btn-store:active{transform:translateY(0) scale(.97);}
.btn-store.lg img{width:clamp(120px,32vw,148px); height:auto;}
.btn-store.sm img{width:96px; height:auto;}

/* ---------- Nav ---------- */
header.nav{position:sticky; top:0; z-index:50; background:rgba(255,255,255,.82); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px); border-bottom:1px solid var(--border);}
.nav-inner{display:flex; align-items:center; justify-content:space-between; height:72px;}
.brand{display:flex; align-items:center; gap:10px; font-weight:700; font-size:16px; letter-spacing:-.01em;}
.brand img{width:30px; height:30px; border-radius:8px;}
.nav-links{display:flex; align-items:center; gap:36px; font-size:14.5px; color:var(--text-body); font-weight:500;}
.nav-links a{transition:color .15s ease;}
.nav-links a:hover{color:var(--accent);}
@media (max-width:820px){ .nav-links{display:none;} }

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg, #FBFCFE 0%, #FFFFFF 62%); overflow:hidden;}
.hero .container{display:flex; align-items:center; gap:64px; padding-top:clamp(56px,8vw,120px); padding-bottom:clamp(64px,9vw,140px);}
.hero-copy{flex:0 0 46%; display:flex; flex-direction:column; align-items:flex-start; gap:22px;}
@media (max-width:900px){ .hero .container{flex-direction:column; gap:48px;} .hero-copy{flex:1;} }

.hero-copy h1{font-size:clamp(34px, 4.6vw, 60px); font-weight:800; line-height:1.05; letter-spacing:-.02em; max-width:560px; animation:riseIn .7s cubic-bezier(.22,1,.36,1) both;}
.hero-copy .lead{font-size:19px; line-height:1.6; color:var(--lead); max-width:460px; animation:riseIn .7s .08s cubic-bezier(.22,1,.36,1) both;}
.hero-copy .eyebrow{animation:riseIn .7s -.02s cubic-bezier(.22,1,.36,1) both;}
.hero-cta-row{display:flex; flex-direction:column; gap:14px; margin-top:6px; animation:riseIn .7s .16s cubic-bezier(.22,1,.36,1) both;}
@keyframes riseIn{from{opacity:0; transform:translateY(14px);} to{opacity:1; transform:translateY(0);}}

.check-list{display:flex; flex-wrap:wrap; gap:10px 20px;}
.check-list li{display:flex; align-items:center; gap:7px; font-size:13.5px; color:var(--text-muted); font-weight:500;}
.check-list svg{width:15px; height:15px; color:var(--accent); flex-shrink:0;}

.hero-visual{flex:1; display:flex; align-items:flex-end; justify-content:center; gap:clamp(12px,3.5vw,24px); position:relative; padding-top:24px;}
.glow{position:absolute; width:440px; height:440px; left:50%; top:38%; transform:translate(-50%,-50%); border-radius:50%; background:radial-gradient(circle, rgba(10,132,255,.10) 0%, rgba(10,132,255,0) 70%); pointer-events:none; z-index:0;}
.phone{position:relative; border-radius:38px; background:#17181C; padding:9px; box-shadow:var(--shadow-lg); z-index:1;}
.phone img{border-radius:30px; width:100%; display:block;}
.phone.primary{width:clamp(130px,30vw,232px); z-index:2; animation:floatIn .8s .1s cubic-bezier(.22,1,.36,1) both;}
.phone.secondary{width:clamp(100px,22vw,172px); z-index:1; opacity:.96; box-shadow:var(--shadow-md); animation:floatIn .8s .22s cubic-bezier(.22,1,.36,1) both;}
@keyframes floatIn{from{opacity:0; transform:translateY(20px);} to{opacity:1; transform:translateY(0);}}

/* ---------- Section heading blocks ---------- */
.sec-head{display:flex; flex-direction:column; gap:16px; max-width:680px;}
.sec-head h2{font-size:clamp(28px, 3.6vw, 44px); font-weight:800; line-height:1.12; letter-spacing:-.015em; color:var(--ink);}
.sec-head p{font-size:18px; line-height:1.6; color:var(--lead); max-width:560px;}

/* ---------- Problem ---------- */
.problem{background:var(--bg); padding:var(--sec-y) 0;}
.problem .container{display:flex; gap:72px; align-items:center;}
@media (max-width:960px){ .problem .container{flex-direction:column; align-items:stretch;} }
.problem-copy{flex:0 0 42%; display:flex; flex-direction:column; gap:18px;}
.problem-copy h2{font-size:clamp(26px,3.2vw,42px); font-weight:800; line-height:1.14; letter-spacing:-.015em;}
.problem-copy p{font-size:16.5px; line-height:1.65; color:var(--text-muted); max-width:460px;}
.problem-visual{flex:1; display:flex; gap:22px; justify-content:center;}
.p-card{border-radius:26px; overflow:hidden; border:1px solid var(--border); box-shadow:var(--shadow-md); background:#fff; width:220px;}
.p-card.offset{margin-top:52px;}
.p-card img{width:100%; display:block;}
.p-card .tag{display:flex; align-items:center; gap:7px; padding:14px 16px; font-size:13px; font-weight:600;}
.p-card.alarm .tag{color:var(--alarm);}
.p-card.calm .tag{color:var(--safe);}
.p-card .dot{width:7px; height:7px; border-radius:50%; background:currentColor;}
@media (max-width:620px){ .problem-visual{gap:14px;} .p-card{width:47%;} .p-card.offset{margin-top:36px;} }

/* ---------- How it works ---------- */
.how{background:var(--bg-soft); padding:var(--sec-y) 0;}
.how .sec-head{margin-bottom:56px;}
.steps{display:grid; grid-template-columns:repeat(4,1fr); gap:22px;}
@media (max-width:960px){ .steps{grid-template-columns:1fr 1fr;} }
@media (max-width:600px){ .steps{grid-template-columns:1fr;} }
.step{display:flex; flex-direction:column; gap:16px; background:#fff; border:1px solid var(--border); border-radius:24px; padding:28px; transition:transform .2s ease, box-shadow .2s ease;}
.step:hover{transform:translateY(-4px); box-shadow:var(--shadow-md);}
.step .num{font-size:13px; font-weight:700; color:var(--accent); letter-spacing:.02em;}
.step .ico{width:46px; height:46px; border-radius:14px; background:var(--bg-blue); display:flex; align-items:center; justify-content:center;}
.step .ico svg{width:22px; height:22px; color:var(--accent);}
.step h3{font-size:20px; font-weight:700; letter-spacing:-.01em;}
.step p{font-size:14.5px; line-height:1.55; color:var(--text-muted);}

/* ---------- Benefits (bento) ---------- */
.benefits{background:var(--bg); padding:var(--sec-y) 0;}
.benefits .sec-head{margin-bottom:56px;}
.bento{display:grid; grid-template-columns:1.35fr 1fr 1fr; grid-auto-rows:auto; gap:22px;}
@media (max-width:960px){ .bento{grid-template-columns:1fr 1fr;} }
@media (max-width:620px){ .bento{grid-template-columns:1fr;} }
.bento-card{background:var(--bg-soft); border:1px solid var(--border); border-radius:var(--r-lg); padding:30px; display:flex; flex-direction:column; gap:14px; transition:transform .2s ease, box-shadow .2s ease;}
.bento-card:hover{transform:translateY(-4px); box-shadow:var(--shadow-md);}
.bento-card.feature{grid-row:span 2; justify-content:space-between; gap:24px;}
@media (max-width:960px){ .bento-card.feature{grid-column:1 / -1; grid-row:auto; flex-direction:row; align-items:center;} }
@media (max-width:620px){ .bento-card.feature{flex-direction:column; align-items:stretch;} }
.bento-card .ico{width:40px; height:40px; border-radius:13px; background:var(--bg-blue); display:flex; align-items:center; justify-content:center;}
.bento-card .ico svg{width:19px; height:19px; color:var(--accent);}
.bento-card h3{font-size:21px; font-weight:700; letter-spacing:-.01em;}
.bento-card p{font-size:15px; line-height:1.55; color:var(--text-muted);}
.feature-shot{border-radius:20px; overflow:hidden; border:1px solid var(--border); background:#fff; max-width:220px;}
.feature-shot img{width:100%; display:block;}

/* ---------- Privacy ---------- */
.privacy{background:var(--bg-soft-2); padding:calc(var(--sec-y) + 12px) 0; text-align:center;}
.privacy .container{display:flex; flex-direction:column; align-items:center; gap:22px;}
.privacy .ico-big{width:58px; height:58px; border-radius:18px; background:#fff; border:1px solid var(--bg-blue-border); display:flex; align-items:center; justify-content:center;}
.privacy .ico-big svg{width:26px; height:26px; color:var(--ink);}
.privacy h2{font-size:clamp(28px,3.6vw,44px); font-weight:800; line-height:1.16; letter-spacing:-.015em; max-width:640px;}
.privacy > .container > p{font-size:18px; line-height:1.6; color:var(--lead); max-width:540px;}
.privacy-grid{display:flex; flex-wrap:wrap; justify-content:center; gap:18px; margin-top:14px; max-width:920px;}
.pv-card{width:210px; background:#fff; border:1px solid var(--border); border-radius:var(--r-md); padding:24px; display:flex; flex-direction:column; align-items:flex-start; gap:10px; text-align:left; transition:transform .2s ease, box-shadow .2s ease;}
.pv-card:hover{transform:translateY(-3px); box-shadow:var(--shadow-sm);}
.pv-card svg{width:22px; height:22px; color:var(--accent);}
.pv-card span{font-size:15.5px; font-weight:600; color:var(--ink);}
.pv-card p{font-size:13.5px; line-height:1.5; color:var(--text-muted); margin:0;}

/* ---------- Reviews ---------- */
.reviews{background:var(--bg); padding:var(--sec-y) 0;}
.reviews .sec-head{margin-bottom:48px;}
.rev-grid{display:grid; grid-template-columns:1.25fr 1fr; gap:22px;}
@media (max-width:900px){
  .rev-grid{display:flex; gap:16px; overflow-x:auto; scroll-snap-type:x mandatory; padding-bottom:10px; margin:0 calc(-1 * var(--pad-x)); padding-left:var(--pad-x); padding-right:var(--pad-x);}
  .rev-grid > *{scroll-snap-align:start; flex:0 0 82%;}
  .rev-card.big{flex:0 0 88%;}
}
.rev-card{background:var(--bg-soft); border:1px solid var(--border); border-radius:var(--r-lg); padding:30px; display:flex; flex-direction:column; gap:18px;}
.rev-card.big{grid-row:span 2; justify-content:space-between;}
.stars{display:flex; gap:4px;}
.stars svg{width:16px; height:16px; color:var(--ink);}
.rev-card.big .quote{font-size:21px; line-height:1.5; font-weight:600; color:var(--ink);}
.rev-card .quote{font-size:15px; line-height:1.55; color:var(--text-body);}
.rev-meta{display:flex; align-items:center; gap:12px;}
.rev-meta .av{width:34px; height:34px; border-radius:50%; background:var(--bg-blue); color:var(--accent); font-size:13px; font-weight:700; display:flex; align-items:center; justify-content:center; flex-shrink:0;}
.rev-meta .name{font-size:14px; font-weight:700; color:var(--ink);}
.rev-meta .src{font-size:12.5px; color:var(--text-faint);}
.rev-card .name-sm{font-size:13px; font-weight:700; color:var(--ink);}

/* ---------- Community ---------- */
.community{background:var(--bg-soft); padding:var(--sec-y) 0;}
.community .sec-head{margin-bottom:48px;}
.comm-grid{display:flex; gap:20px;}
@media (max-width:800px){ .comm-grid{flex-direction:column;} }
.comm-card{flex:1; background:#fff; border:1px solid var(--border); border-radius:var(--r-md); padding:26px; display:flex; align-items:center; gap:14px;}
.comm-card .ico{width:38px; height:38px; border-radius:12px; background:var(--bg-blue); display:flex; align-items:center; justify-content:center; flex-shrink:0;}
.comm-card .ico svg{width:18px; height:18px; color:var(--accent);}
.comm-card span{font-size:16px; font-weight:600; color:var(--ink); line-height:1.4;}
.community-link{display:flex; justify-content:center; margin-top:32px;}

/* ---------- Product story ---------- */
.story{background:var(--bg); padding:var(--sec-y) 0;}
.story .container{display:flex; gap:64px; align-items:flex-start;}
@media (max-width:900px){ .story .container{flex-direction:column; gap:28px;} }
.story-label{flex:0 0 30%; display:flex; flex-direction:column; gap:16px;}
.story-label h2{font-size:clamp(26px,3.2vw,40px); font-weight:800; line-height:1.15; letter-spacing:-.015em;}
.story-right{flex:1; display:flex; gap:40px; align-items:flex-start;}
@media (max-width:760px){ .story-right{flex-direction:column; gap:26px;} }
.story-body{flex:1; min-width:0; display:flex; flex-direction:column; gap:14px;}
.story-body p{font-size:17px; line-height:1.65; color:var(--text-body);}
.story-media{flex:0 0 220px; display:flex; flex-direction:column; gap:14px;}
@media (max-width:760px){ .story-media{flex:1 1 auto; width:100%; max-width:320px;} }
.story-photo{border-radius:var(--r-lg); overflow:hidden; border:1px solid var(--border); box-shadow:var(--shadow-md); max-width:220px; width:100%;}
.story-photo img{width:100%; display:block;}
.story-caption{font-size:13.5px; line-height:1.55; color:var(--text-faint); max-width:220px;}

/* ---------- About creator ---------- */
.creator{background:var(--bg-soft); padding:clamp(56px,7vw,88px) 0;}
.creator .container{display:flex; align-items:flex-start; gap:24px;}
@media (max-width:600px){ .creator .container{flex-direction:column; text-align:center;} }
.creator .av{width:68px; height:68px; border-radius:50%; background:var(--ink); color:#fff; font-size:19px; font-weight:700; display:flex; align-items:center; justify-content:center; flex-shrink:0;}
.creator-copy{display:flex; flex-direction:column; gap:6px;}
.creator-copy .nm{font-size:18px; font-weight:700;}
.creator-copy p{font-size:15px; line-height:1.55; color:var(--text-muted); max-width:620px;}
.creator-copy .li-link{display:inline-flex; align-items:center; gap:5px; font-size:14px; font-weight:700; color:var(--accent); margin-top:4px; transition:gap .15s ease;}
.creator-copy .li-link:hover{gap:9px;}
.creator-copy .li-link svg{width:14px; height:14px;}

/* ---------- Final CTA ---------- */
.final-cta{background:var(--bg-blue); padding:var(--sec-y) 0; text-align:center;}
.final-cta .container{display:flex; flex-direction:column; align-items:center; gap:18px;}
.final-cta h2{font-size:clamp(28px,3.8vw,46px); font-weight:800; line-height:1.12; letter-spacing:-.015em; max-width:620px;}
.final-cta p{font-size:18px; line-height:1.6; color:var(--lead); max-width:460px;}

/* ---------- Footer ---------- */
footer{background:#fff; border-top:1px solid var(--border); padding:40px 0;}
footer .container{display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;}
.f-brand{display:flex; align-items:center; gap:9px; font-size:14px; font-weight:700;}
.f-brand img{width:24px; height:24px; border-radius:7px;}
.f-links{display:flex; gap:26px; font-size:13.5px; color:var(--text-faint); font-weight:500;}
.f-links a:hover{color:var(--accent);}
.f-copy{font-size:13px; color:var(--text-faint);}

/* ---------- /rozwoj/ placeholder page ---------- */
.placeholder-page{min-height:100vh; display:flex; align-items:center; justify-content:center; text-align:center; padding:32px;}
.placeholder-wrap{display:flex; flex-direction:column; align-items:center; gap:18px; max-width:420px;}
.placeholder-wrap h1{font-size:clamp(28px,5vw,38px); font-weight:800; letter-spacing:-.015em;}
.placeholder-wrap p{font-size:17px; line-height:1.6; color:var(--text-muted);}
.placeholder-back{display:inline-flex; align-items:center; gap:8px; font-size:14.5px; font-weight:700; color:var(--accent); margin-top:8px; padding:11px 20px; border:1px solid var(--border); border-radius:14px; transition:background .15s ease;}
.placeholder-back:hover{background:var(--bg-soft);}