/* BEAT website – beat-beat.com */
:root{
  --black:#0A0F14; --black-2:#05080B; --graphite:#111820; --graphite-2:#17212B; --line-d:#1F2B36;
  --white:#FFFFFF; --paper:#F5F5F3; --grey:#E8E9E6; --ink:#0A0F14; --ink-2:#3A424B; --muted:#6B7480; --mist:#94A3B8;
  --accent:#00E5AB; --accent-2:#00C2AB; --accent-ink:#00876A; --stop:#EF4444; --slow:#F59E0B; --run:#22C55E;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --gutter:clamp(16px,4vw,48px);
  --sec:clamp(96px,13vw,200px);
  --ease:cubic-bezier(.2,.7,.1,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:64px}
body{margin:0;background:var(--black);color:#F2F4F5;font:17px/1.5 var(--sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;font-optical-sizing:auto}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--accent);color:var(--black);padding:8px 14px;border-radius:8px;font-weight:600}
.skip:focus{left:8px}

/* ---------- layout + type ---------- */
.wrap{max-width:1180px;margin-inline:auto;padding-inline:var(--gutter)}
.wrap-wide{max-width:1480px;margin-inline:auto;padding-inline:var(--gutter)}
.center{text-align:center}
section{position:relative}
.dark{background:var(--black);color:#F2F4F5}
.light{background:var(--white);color:var(--ink)}
.light-grey{background:var(--paper);color:var(--ink)}
.h2{font-weight:650;font-size:clamp(38px,5.8vw,84px);line-height:1.03;letter-spacing:-.04em;margin:0 0 .5em;text-wrap:balance}
.h2-xl{font-size:clamp(56px,11vw,176px);letter-spacing:-.055em;line-height:.95}
.dim{color:#5B6570}
.light .dim{color:#A2A8AE}
.accent{color:var(--accent)}
.accent-ink{color:var(--accent-ink)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:500 13px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mist);margin:0 0 28px}
.eyebrow-dark{color:var(--muted)}
.lead{font-size:clamp(20px,2.3vw,30px);line-height:1.3;letter-spacing:-.018em;font-weight:500;color:#C9D0D6;max-width:30ch;margin:0 auto 1em;text-wrap:balance}
.lead-dark{color:var(--ink-2)}
.lead-strong{color:#fff}
.lead b{color:inherit;font-weight:650}
.light .lead b{color:var(--ink)}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;animation:livedot 2.4s infinite}
@keyframes livedot{0%{box-shadow:0 0 0 0 rgba(0,229,171,.55)}70%{box-shadow:0 0 0 10px rgba(0,229,171,0)}100%{box-shadow:0 0 0 0 rgba(0,229,171,0)}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 26px;border-radius:999px;font-weight:600;font-size:16px;letter-spacing:-.005em;transition:background .25s,color .25s,border-color .25s,transform .25s var(--ease);white-space:nowrap;border:1px solid transparent}
.btn-accent{background:var(--accent);color:var(--black)}
.btn-accent:hover{background:#3BFFC4}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{border-color:rgba(255,255,255,.6)}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-lg{height:60px;padding:0 34px;font-size:17px;letter-spacing:.04em;text-transform:uppercase}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.cta-center{justify-content:center}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .4s,backdrop-filter .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(10,15,20,.72);backdrop-filter:saturate(1.6) blur(18px);-webkit-backdrop-filter:saturate(1.6) blur(18px);border-color:rgba(255,255,255,.06)}
.nav-in{max-width:1480px;margin:0 auto;padding:0 var(--gutter);height:64px;display:flex;align-items:center;gap:36px}
.nav-logo{display:grid}.nav-logo img{width:104px;height:auto;grid-area:1/1;transition:opacity .3s}
.nav-logo .lg-l{opacity:0}
.nav.on-light.scrolled{background:rgba(255,255,255,.76);border-color:rgba(10,15,20,.08)}
.nav.on-light .lg-d{opacity:0}.nav.on-light .lg-l{opacity:1}
.nav.on-light .nav-links{color:#4A525A}.nav.on-light .nav-links a:hover,.nav.on-light .nav-links a.on{color:var(--ink)}
.nav.on-light .nav-burger span{background:var(--ink)}
.nav-links{display:flex;gap:32px;margin-left:auto;font-size:14px;color:#C2C9CF}
.nav-links a{transition:color .2s}
.nav-links a.nav-login{padding-left:28px;border-left:1px solid rgba(255,255,255,.14)}
.nav.on-light .nav-links a.nav-login{border-color:rgba(10,15,20,.14)}
.nav-links a:hover,.nav-links a.on{color:#fff}
.nav-burger{display:none;margin-left:auto;background:none;border:0;width:44px;height:44px;position:relative;cursor:pointer}
.nav-burger span{position:absolute;left:12px;right:12px;height:1.5px;background:#fff;transition:transform .3s}
.nav-burger span:first-child{top:18px}.nav-burger span:last-child{top:25px}
.nav-burger[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
.sheet{position:fixed;inset:64px 0 0;z-index:49;background:rgba(10,15,20,.97);backdrop-filter:blur(20px);padding:28px var(--gutter);display:flex;flex-direction:column;gap:32px}
.sheet nav{display:grid}
.sheet nav a{font-size:32px;font-weight:600;letter-spacing:-.03em;padding:10px 0;border-bottom:1px solid #161E26}
.mobile-cta{display:none}
@media (max-width:900px){
  .nav-links,.nav-cta{display:none}
  .nav-burger{display:block}
  .mobile-cta{display:flex;position:fixed;z-index:40;left:16px;right:16px;bottom:max(16px,env(safe-area-inset-bottom));height:52px;box-shadow:0 10px 30px rgba(0,0,0,.35);transform:translateY(140%);transition:transform .45s var(--ease)}
  .mobile-cta.show{transform:none}
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal-scale{opacity:0;transform:scale(.94) translateY(40px);transition:opacity 1.2s var(--ease),transform 1.4s var(--ease)}
.in{opacity:1;transform:none}
.reveal.in:nth-child(2){transition-delay:.08s}.reveal.in:nth-child(3){transition-delay:.16s}.reveal.in:nth-child(4){transition-delay:.24s}.reveal.in:nth-child(5){transition-delay:.32s}.reveal.in:nth-child(6){transition-delay:.4s}

/* ---------- photo slots ---------- */
.photo{position:absolute;inset:0;overflow:hidden;background:#06090C}
.photo canvas,.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.photo canvas{filter:blur(.7px) contrast(1.06) saturate(.85) brightness(.92)}
.photo::after{content:"";position:absolute;inset:0;pointer-events:none}

/* ---------- 01 hero ---------- */
/* Full-screen headline; --p (0–1, main.js) lifts and fades it as the page scrolls on. */
section.hero{--p:0;position:relative;z-index:2;height:100vh;min-height:620px}
.hero-stage{position:relative;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#07090B;isolation:isolate}
.hero-copy{position:relative;z-index:2;text-align:center;padding:64px var(--gutter) 0;transform:translateY(calc(var(--p) * -14vh));opacity:calc(1 - var(--p) * 1.4);will-change:transform,opacity}
.hero-tag{display:inline-flex;align-items:center;gap:12px;margin:0 0 clamp(18px,3vh,30px);font:500 12px var(--mono);letter-spacing:.2em;text-transform:uppercase;color:#8A949E}
.hero-title{margin:0;font-weight:700;font-size:clamp(44px,min(7.4vw,11vh),132px);line-height:.98;letter-spacing:-.05em;color:#fff}
.hero-title span{display:block}
.hero-title i{font-style:normal;color:var(--accent)}
.hero-sub{margin:clamp(18px,2.8vh,28px) auto clamp(24px,3.8vh,38px);max-width:46ch;font-size:clamp(17px,1.6vw,22px);line-height:1.4;letter-spacing:-.01em;color:#9AA4AE}
.hero .cta-row{justify-content:center}
.hero-note{margin:clamp(14px,2vh,20px) 0 0;font:500 12px var(--mono);letter-spacing:.08em;color:#5E6873}
@media (max-width:760px){
  section.hero{height:auto;min-height:100svh}
  .hero-stage{min-height:100svh}
  .hero-copy{transform:none;opacity:1;padding-top:96px;padding-bottom:56px}
}
/* ---------- 02 problem ---------- */
.problem{padding-bottom:clamp(40px,6vw,80px)}
.problem>.photo{position:relative;height:min(100vh,980px);min-height:560px}
.problem>.photo img{object-position:72% 50%}
/* the top melts into the hero background (#07090B), so the hero flows into the photo without an edge */
.problem>.photo::after{background:linear-gradient(180deg,#07090B 0%,rgba(7,9,11,.82) 10%,rgba(7,9,11,.45) 22%,rgba(10,15,20,0) 42%,rgba(10,15,20,.35) 62%,var(--black) 100%)}
.problem-in{position:relative;margin-top:-34vh;z-index:2}
.problem-in .h2{max-width:17ch}
.frag-track{height:260vh;position:relative;margin-top:clamp(40px,6vw,80px)}
.frag-sticky{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;justify-content:center;gap:clamp(24px,4vh,48px);padding-top:64px}
.frag-copy{display:grid;text-align:center;width:100%}
.frag-copy .lead{grid-area:1/1;max-width:26ch;margin:0 auto;transition:opacity .8s var(--ease),transform .8s var(--ease)}
.fc-b{opacity:0;transform:translateY(16px)}
.frag-copy.done .fc-a{opacity:0;transform:translateY(-16px)}
.frag-copy.done .fc-b{opacity:1;transform:none;font-size:clamp(28px,3.4vw,46px);letter-spacing:-.03em}
.frag-stage{position:relative;height:clamp(320px,52vh,520px);width:100%;max-width:1280px;margin:0 auto;padding-inline:var(--gutter)}
.frag-cols{display:grid;grid-template-columns:repeat(4,1fr);font:500 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#56616C;border-top:1px solid #1A232C;padding-top:16px}
.frag-cols span:last-child{text-align:right}
.frags{position:absolute;inset:60px var(--gutter) 0}
.frag{position:absolute;left:0;top:0;font:500 clamp(10px,1.1vw,13px) var(--mono);color:#AEB7BF;background:rgba(23,33,43,.75);border:1px solid #23303C;border-radius:8px;padding:6px 10px;white-space:nowrap;will-change:transform,opacity}
.frag.k-stop{color:#FCA5A5;border-color:rgba(239,68,68,.35)}
.frag.k-xls{color:#86EFAC}
.frag.k-hand{font-family:"Caveat",cursive;font-size:clamp(14px,1.5vw,19px);background:#F4F1E6;color:#26303A;border-color:#E3DDC8}
.frag-core{position:absolute;right:var(--gutter);top:50%;transform:translateY(-30%);width:clamp(84px,9vw,128px);aspect-ratio:1;border-radius:28%;display:grid;place-items:center;background:#0E151B;border:1px solid #1E2A35;box-shadow:0 0 calc(var(--glow,0) * 90px) rgba(0,229,171,calc(var(--glow,0) * .45))}
.frag-core img{width:52%;height:auto;opacity:calc(.35 + var(--glow,0) * .65)}
@media (max-width:700px){.frag-cols span:nth-child(2),.frag-cols span:nth-child(3){display:none}.frag-cols{grid-template-columns:1fr 1fr}.frag-core{top:auto;bottom:6%;right:50%;transform:translateX(50%)}}

/* ---------- 03 transformation ---------- */
.transform{padding-top:var(--sec)}
.ba-track{height:260vh;position:relative}
.ba-sticky{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;justify-content:center;gap:22px;padding:72px var(--gutter) 24px;max-width:1440px;margin:0 auto}
.ba{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 40px 90px -30px rgba(10,15,20,.45);container-type:inline-size;aspect-ratio:1440/900;width:min(100%,calc((100vh - 190px) * 1.6));margin-inline:auto;flex:none}
.ba-after{position:absolute;inset:0;clip-path:inset(0 0 0 calc(100% - var(--p,0) * 100%));}
.ba-after .screen{height:100%}
.ba-before{position:absolute;inset:0;background:#E9E8E3 radial-gradient(90% 90% at 30% 20%,#F4F3EF,#DEDCD5);overflow:hidden}
.ba-handle{position:absolute;top:0;bottom:0;left:calc(100% - var(--p,0) * 100%);width:2px;background:var(--accent);box-shadow:0 0 24px rgba(0,229,171,.9);opacity:calc(1 - (var(--p,0) - .97) * 33)}
.ba-handle span{position:absolute;top:50%;left:50%;width:14px;height:14px;border-radius:50%;background:var(--accent);transform:translate(-50%,-50%);box-shadow:0 0 0 6px rgba(0,229,171,.25)}
.ba-tag{position:absolute;left:2.4cqw;bottom:2.4cqw;font:600 max(10px,1.05cqw) var(--mono);letter-spacing:.1em;text-transform:uppercase;padding:.6em 1em;border-radius:99px;background:rgba(10,15,20,.82);color:#fff;display:flex;align-items:center;gap:.7em}
.ba-tag-live{left:auto;right:2.4cqw;background:rgba(0,229,171,.14);color:var(--accent);border:1px solid rgba(0,229,171,.35);backdrop-filter:blur(8px)}
.old-sheet{position:absolute;left:4%;top:7%;width:55%;background:#fff;border-radius:.6cqw;box-shadow:0 1cqw 3cqw rgba(0,0,0,.18);overflow:hidden;font:max(7px,1.08cqw)/1.2 "Segoe UI",Arial,sans-serif;color:#333;transform:rotate(-1.2deg)}
.old-bar{background:#1E7145;color:#fff;padding:.7em 1em;display:flex;justify-content:space-between;gap:1em}
.old-bar span{opacity:.75;font-size:.9em}
.old-sheet table{width:100%;border-collapse:collapse}
.old-sheet th,.old-sheet td{border:1px solid #DADCE0;padding:.55em .7em;text-align:left;white-space:nowrap}
.old-sheet thead th,.old-sheet tbody th{background:#F3F3F3;color:#777;font-weight:400;text-align:center;width:2.4em}
.old-sheet tbody tr:first-child td{font-weight:700;background:#FAFAFA}
.old-sheet .err{color:#C00;background:#FDECEC}
.old-board{position:absolute;right:3%;top:5%;width:38%;height:52%;background:#FBFBF8;border:.7cqw solid #B9BEC3;border-radius:.5cqw;box-shadow:0 1cqw 3cqw rgba(0,0,0,.15);transform:rotate(1.2deg)}
.hand{font-family:"Caveat",cursive;color:#1D4ED8;font-size:max(11px,2.1cqw);line-height:1.05;position:absolute;left:7%;top:8%}
.hand-2{color:#B91C1C;left:auto;right:8%;top:44%;transform:rotate(-4deg)}
.hand-3{color:#111;left:10%;top:70%;font-size:max(12px,2.6cqw)}
.old-paper{position:absolute;left:30%;bottom:6%;width:34%;height:40%;background:#FFFEF9;box-shadow:0 1cqw 3cqw rgba(0,0,0,.16);transform:rotate(-4deg);padding:2.4% 3%;display:flex;flex-direction:column;gap:6%;font:700 max(7px,1cqw) Arial;letter-spacing:.1em;color:#444}
.old-paper i{display:block;height:1px;background:#C9CDD2}.old-paper i.s{width:60%}
.old-paper .hand{position:static;color:#1F2937;font-size:max(11px,1.9cqw);letter-spacing:0;font-weight:500}
.ba-legend{display:grid;grid-template-columns:1fr 1fr;gap:20px;font:500 13px var(--mono);color:var(--muted);letter-spacing:.02em;max-width:1100px;margin:0 auto;width:100%}
.ba-legend .ba-l2{text-align:right;color:var(--ink)}
.ba-legend b{color:var(--accent-ink)}
@media (max-width:700px){
  .ba{aspect-ratio:600/980;width:min(100%,calc((100vh - 170px) * .612))}
  .old-sheet{width:86%;left:7%;top:5%;font-size:max(7px,2cqw)}
  .old-board{width:70%;height:30%;top:44%;right:6%}
  .hand{font-size:max(12px,4cqw)}.hand-3{font-size:max(13px,4.6cqw)}
  .old-paper{width:58%;height:26%;left:8%;bottom:4%;font-size:max(7px,1.8cqw)}
  .old-paper .hand{font-size:max(12px,3.6cqw)}
  .ba-tag{font-size:10px}
  .ba-legend{grid-template-columns:1fr;font-size:11px;gap:6px}
  .ba-legend .ba-l2{text-align:left}
}

.screen-glow{border-radius:16px;border:1px solid #1E2831;box-shadow:0 0 0 1px rgba(255,255,255,.02),0 50px 140px -40px rgba(0,229,171,.22),0 40px 80px -20px rgba(0,0,0,.6)}

/* ---------- 07 downtime ---------- */
.downtime{padding:var(--sec) 0;background:radial-gradient(80% 50% at 50% 50%,#160B0D 0%,var(--black) 70%)}
.dt-track{height:240vh;position:relative}
.dt-sticky{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;justify-content:center}
.dt-clock{display:flex;align-items:baseline;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.dt-clock span{font:500 clamp(40px,6vw,84px)/1 var(--mono);letter-spacing:-.04em}
.dt-clock small{font:13px var(--mono);color:var(--mist);letter-spacing:.08em;text-transform:uppercase}
.dt-tl{position:relative;height:clamp(84px,12vw,150px);display:flex;gap:3px}
.dt-seg{position:relative;height:100%;border-radius:6px;background:#141C24;overflow:hidden}
.dt-seg>i{position:absolute;inset:0;transform-origin:0 50%;transform:scaleX(var(--f,0));border-radius:6px}
.dt-seg.run>i{background:linear-gradient(180deg,#22C55E,#169845)}
.dt-seg.stop>i{background:linear-gradient(180deg,#EF4444,#B91C1C)}
.dt-seg.micro>i{background:#F59E0B}
.dt-seg>b{position:absolute;left:12px;top:12px;font:700 clamp(9px,1vw,13px) var(--mono);letter-spacing:.14em;color:rgba(255,255,255,.95);opacity:var(--o,0);transition:opacity .3s;white-space:nowrap;z-index:1}
.dt-seg.micro>b{left:50%;top:auto;bottom:calc(100% + 10px);transform:translateX(-50%);color:var(--slow)}
.dt-seg.micro{overflow:visible}
.dt-seg.active{box-shadow:0 0 0 2px #fff}
.dt-axis{display:flex;justify-content:space-between;font:12px var(--mono);color:#56616C;margin-top:12px}
.dt-log{margin-top:clamp(28px,4.5vw,52px);border:1px solid #1A232C;border-radius:16px;overflow:hidden;background:#0D1318}
.dt-row{display:grid;grid-template-columns:.7fr 1.9fr 1.1fr .8fr 1.6fr;gap:16px;align-items:center;padding:0 22px;max-height:0;opacity:0;overflow:hidden;
  border-top:1px solid transparent;transition:max-height .45s var(--ease),opacity .35s,padding .45s var(--ease),background .4s}
.dt-row.on,.dt-head{max-height:80px;opacity:1;padding-block:16px;border-top-color:#1A232C}
.dt-head{border-top:0;padding-block:12px;font:500 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#6B7682}
.dt-row span{font:14px var(--mono);color:#AEB7BF;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dt-row b{font:600 clamp(15px,1.3vw,18px) var(--sans);letter-spacing:-.01em;color:#F2F4F5}
.dt-row em{font:12px var(--mono);font-style:normal;color:var(--mist);border:1px solid #2A3540;border-radius:6px;padding:1px 7px}
.dt-row .dt-imp{color:#F87171}
.dt-row.live{background:rgba(239,68,68,.07)}
.dt-row.live .dt-imp{color:#F87171;animation:dtBlink 1.2s ease-in-out infinite}
.dt-row.micro.live{background:rgba(245,158,11,.08)}
.dt-row.live .dt-dur{color:#fff}
.dt-empty{margin:0;padding:18px 22px;border-top:1px solid #1A232C;font:14px var(--mono);color:#56616C}
@keyframes dtBlink{50%{opacity:.45}}
.downtime .lead{margin-top:clamp(40px,6vw,80px);max-width:22ch}
@media (max-width:800px){.dt-row{grid-template-columns:auto 1fr auto;gap:4px 12px;padding-inline:14px}.dt-row>span:nth-child(3),.dt-head>span:nth-child(3){display:none}.dt-row .dt-imp,.dt-head>span:nth-child(5){grid-column:2/-1}.dt-head>span:nth-child(5){display:none}.dt-clock{margin-bottom:18px}.dt-clock span{font-size:44px}.dt-seg>b{left:6px;top:8px;font-size:8px;letter-spacing:.06em}}

/* ---------- tags (stop reasons in copy) ---------- */
.tag{justify-self:start;font:700 11px var(--sans);letter-spacing:.1em;padding:4px 10px;border-radius:99px}
.tag.stop{background:rgba(239,68,68,.16);color:#F87171}

/* ---------- everywhere: monitor, tablet, phone ---------- */
.ew-title{margin:0;font-weight:700;font-size:clamp(40px,6vw,92px);line-height:1;letter-spacing:-.05em;color:#fff}
.ew-title span{color:#6E7883}
.ew-stage{position:relative;max-width:1480px;margin:clamp(56px,8vw,110px) auto 0;aspect-ratio:16/8.6;padding-inline:var(--gutter)}
/* hala w tle: zdjęcie przyciemnione i rozmyte, jedno światło z góry, podłoga przechodzi w czerń */
.ew-env{position:absolute;inset:-22% -14% 6%;background:url(assets/photos/hall.webp) 62% 42%/cover no-repeat;filter:blur(7px) brightness(.32) saturate(.7);
  -webkit-mask-image:radial-gradient(50% 50% at 50% 50%,#000 40%,transparent 100%);mask-image:radial-gradient(50% 50% at 50% 50%,#000 40%,transparent 100%)}
.ew-floor{position:absolute;left:-10%;right:-10%;bottom:0;height:24%;background:linear-gradient(180deg,#0E1317 0%,#07090B 100%);border-top:1px solid rgba(255,255,255,.05);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent);mask-image:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent)}
.ew-floor::before{content:"";position:absolute;inset:0 15% auto;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent)}
.ew-dev{position:absolute;margin:0;-webkit-box-reflect:below 3px linear-gradient(transparent 80%,rgba(255,255,255,.10));will-change:transform}
.ew-dev .screen{background:#0A0F14}
/* monitor */
.ew-mon{left:15%;width:58%;top:2%;-webkit-box-reflect:unset}
.ew-mon-body{padding:.9% .9% 2.2%;background:linear-gradient(180deg,#1A1E22,#0C0E10);border-radius:12px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),inset 0 0 0 1px #24292E,0 50px 90px -30px rgba(0,0,0,.9),0 0 120px -40px rgba(0,229,171,.12)}
.ew-mon-body .screen{border-radius:3px}
.ew-mon-neck{width:9%;height:clamp(40px,7vw,92px);margin:0 auto;background:linear-gradient(90deg,#15181B,#2B3035 45%,#15181B);clip-path:polygon(22% 0,78% 0,92% 100%,8% 100%)}
.ew-mon-base{width:30%;height:clamp(8px,.9vw,13px);margin:0 auto;border-radius:3px 3px 10px 10px;background:linear-gradient(180deg,#30353A,#121518);box-shadow:0 16px 30px -6px rgba(0,0,0,.9)}
/* tablet przemysłowy: gruba gumowana obudowa, wzmocnione narożniki */
.ew-tab{right:3%;width:33%;bottom:7%;transform:rotate(-1.2deg)}
.ew-tab-body{position:relative;padding:4.2%;background:linear-gradient(150deg,#262B30,#121518 60%);border-radius:clamp(16px,2vw,28px);
  box-shadow:inset 0 0 0 2px #31373D,inset 0 2px 0 rgba(255,255,255,.06),0 50px 80px -24px rgba(0,0,0,.95)}
.ew-tab-body::before,.ew-tab-body::after{content:"";position:absolute;width:13%;aspect-ratio:1;border:3px solid #3A4148;pointer-events:none}
.ew-tab-body::before{left:-2px;top:-2px;border-right:0;border-bottom:0;border-radius:clamp(16px,2vw,28px) 0 0 0}
.ew-tab-body::after{right:-2px;bottom:-2px;border-left:0;border-top:0;border-radius:0 0 clamp(16px,2vw,28px) 0}
.ew-tab-body .screen{border-radius:6px;box-shadow:0 0 0 1px #050607}
/* telefon */
.ew-ph{left:5%;width:11.5%;bottom:6%;transform:rotate(1.5deg)}
.ew-ph-body{padding:5%;background:#0A0C0E;border-radius:clamp(18px,2.4vw,36px);box-shadow:inset 0 0 0 1.5px #2E3338,inset 0 2px 0 rgba(255,255,255,.07),0 40px 70px -20px rgba(0,0,0,.95)}
.ew-ph-body .screen{border-radius:clamp(14px,1.9vw,29px)}
/* role pod urządzeniami */
@media (max-width:900px){
  .ew-stage{aspect-ratio:auto;display:grid;grid-template-columns:1fr .38fr;gap:20px 16px;align-items:end;padding-bottom:40px}
  .ew-env{inset:-10% -20% 30%}
  .ew-floor{height:30%}
  .ew-dev{position:relative;left:auto;right:auto;top:auto;bottom:auto;transform:none}
  .ew-mon{grid-column:1/-1;width:100%}
  .ew-tab{grid-column:1;width:100%}
  .ew-ph{grid-column:2;width:100%}
}
@media (prefers-reduced-motion:reduce){.ew-dev{transform:none!important}}

/* ---------- 04 the product: three devices, one chapter at a time (main.js: proSet / proLayout) ---------- */
/* --in (0..1) = wejście sekcji: monitor przybliża się, tablet i telefon wsuwają się z boków */
.pro{--in:1;background:#07090B;color:#F2F4F5;padding-top:var(--sec);overflow:clip}
.pro-intro .eyebrow{margin-bottom:18px}
.pro-track{height:calc(100vh + 6 * 85vh);margin-top:clamp(24px,4vw,56px)}
.pro-sticky{position:sticky;top:0;height:100vh;min-height:640px;box-sizing:border-box;padding:clamp(76px,10vh,104px) var(--gutter) clamp(20px,3.5vh,36px);
  display:grid;grid-template-rows:auto minmax(0,1fr) auto;justify-items:center;gap:clamp(12px,2.4vh,28px)}
.pro-caps{display:grid;text-align:center;max-width:720px}
.pro-cap{grid-area:1/1;opacity:0;transform:translateY(10px);transition:opacity .25s ease,transform .3s ease;pointer-events:none}
.pro-cap.on{opacity:1;transform:none;transition:opacity .6s var(--ease) .15s,transform .7s var(--ease) .15s}
.pro-cap h3{margin:0 0 10px;font-size:clamp(26px,2.6vw,42px);line-height:1.08;letter-spacing:-.035em;font-weight:650;color:#fff}
.pro-cap p:last-child{margin:0 auto;font-size:clamp(15px,1.2vw,18px);line-height:1.5;color:#8E98A2;max-width:46ch}
.pro .show-k{margin:0 0 10px;font:500 12px var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.pro-stage{margin:0;align-self:center;width:min(100%,1480px,calc((100vh - 300px) * 16 / 8.6));min-height:0}
.pro .ew-mon{transform:scale(calc(1.14 - .14 * var(--in)));transform-origin:50% 60%}
.pro .ew-tab{transform:translateX(calc((1 - var(--in)) * 38%)) rotate(-1.2deg);opacity:calc(var(--in) * 1.4 - .4)}
.pro .ew-ph{transform:translateX(calc((1 - var(--in)) * -70%)) rotate(1.5deg);opacity:calc(var(--in) * 1.4 - .4)}
.pro .screen{transition:opacity .22s ease}
.pro .screen.swap{opacity:0}
.pro-rail{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;padding:5px;border-radius:99px;background:rgba(255,255,255,.04);border:1px solid #1C252E}
.pro-rail button{background:none;border:0;border-radius:99px;padding:8px 16px;color:#7C8792;font:500 14px var(--sans);cursor:pointer;transition:color .3s,background .3s}
.pro-rail button:hover{color:#D5DBE0}
.pro-rail button[aria-current="step"]{background:#F2F4F5;color:#07090B}
@media (max-width:900px),(prefers-reduced-motion:reduce){
  .pro{padding-bottom:var(--sec)}
  .pro-track{height:auto}
  .pro-sticky{position:static;height:auto;min-height:0;padding-top:0;padding-bottom:0}
  .pro .ew-mon,.pro .ew-tab,.pro .ew-ph{opacity:1}
  .pro-stage{width:100%;order:2}
  .pro-caps{order:1}
  .pro-rail{order:0;flex-wrap:nowrap;overflow-x:auto;max-width:100%;justify-content:flex-start;scrollbar-width:none}
  .pro-rail button{white-space:nowrap}
}

/* ---------- 13 technology ---------- */
.tech{padding:var(--sec) 0}
.arch{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(12px,2vw,28px);margin-top:clamp(56px,7vw,110px)}
.arch-svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.arch-node{position:relative;z-index:1;display:grid;justify-items:center;text-align:center;gap:10px}
.arch-node>.arch-ic{width:clamp(72px,7vw,104px);height:clamp(72px,7vw,104px);border-radius:28%;background:#fff;border:1px solid #E3E5E7;display:grid;place-items:center;color:var(--ink);box-shadow:0 14px 30px -14px rgba(10,15,20,.25)}
.arch-node>.arch-core{background:var(--black);border-color:var(--black);box-shadow:0 0 0 8px rgba(0,229,171,.12),0 20px 50px -10px rgba(0,229,171,.5)}
.arch-core img{width:46%;height:auto}
.arch-node b{font-size:clamp(15px,1.4vw,19px);font-weight:650;letter-spacing:-.015em}
.arch-node small{font-size:14px;color:var(--muted);max-width:18ch;line-height:1.35}
.arch-beat b{color:var(--accent-ink)}
.tech-list{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(28px,4vw,56px) clamp(24px,4vw,64px);margin-top:clamp(72px,9vw,140px)}
.tech-list b{display:block;font-size:clamp(24px,2.4vw,34px);font-weight:650;letter-spacing:-.035em;margin-bottom:6px}
.tech-list span{color:var(--muted);font-size:17px;line-height:1.45}
@media (max-width:800px){
  .arch{grid-template-columns:1fr;gap:44px}
  .arch-node{grid-template-columns:auto 1fr;justify-items:start;text-align:left;column-gap:20px;row-gap:2px}
  .arch-node>.arch-ic{grid-row:span 2;width:72px;height:72px}
  .arch-node b{align-self:end}.arch-node small{align-self:start;max-width:none}
  .tech-list{grid-template-columns:1fr}
}

.tech-facts{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,80px);margin-top:clamp(48px,6vw,88px)}
.tech-facts p{margin:0;font-size:clamp(17px,1.5vw,20px);line-height:1.5;color:var(--ink-2)}
.tech-facts b{color:var(--ink);font-weight:650}
@media (max-width:800px){.tech-facts{grid-template-columns:1fr}}

/* ---------- 17 final ---------- */
.final{background:var(--black-2);min-height:100vh;display:grid;place-items:center;text-align:center;padding:var(--sec) var(--gutter);overflow:hidden}
.final-in{display:grid;justify-items:center}
.final-wave{display:flex;align-items:center;gap:clamp(8px,1vw,14px);height:clamp(70px,9vw,120px);margin-bottom:clamp(40px,5vw,64px)}
.final-wave i{display:block;width:clamp(10px,1.1vw,16px);border-radius:99px;background:linear-gradient(180deg,#00FFE0,#00897B);animation:wave 1.6s var(--ease) infinite}
.final-wave i:nth-child(1),.final-wave i:nth-child(5){height:32%;animation-delay:.12s}
.final-wave i:nth-child(2),.final-wave i:nth-child(4){height:66%;animation-delay:.06s}
.final-wave i:nth-child(3){height:100%}
@keyframes wave{0%,60%,100%{transform:scaleY(1)}12%{transform:scaleY(1.18)}24%{transform:scaleY(.82)}}
.final-title{font-size:clamp(48px,10vw,164px);font-weight:700;letter-spacing:-.06em;line-height:.92;margin:0 0 32px;text-transform:uppercase}
.final .lead{color:#8A949E;max-width:28ch}
.final .cta-row{margin-top:24px}
.final-logo{margin-top:clamp(64px,9vw,120px);opacity:.6;width:36px;height:auto}

/* ---------- 18 footer ---------- */
.foot{background:var(--black-2);border-top:1px solid #121A21;padding:56px 0 calc(40px + env(safe-area-inset-bottom));color:#8A949E;font-size:14px}
.foot-in{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap}
.foot-brand img{width:100px;height:auto}
.foot-brand p{margin:14px 0 0;font:500 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#6B7682}
.foot-nav{display:flex;flex-wrap:wrap;gap:12px 32px}
.foot-nav a:hover{color:#fff}
.foot-legal{display:flex;flex-direction:column;gap:8px;margin-top:56px;padding-top:24px;border-top:1px solid #121A21;font-size:13px;color:#56616C}
.final-mail{margin:28px 0 0;color:#6B7682;font-size:15px}
.final-mail a{color:#C2C9CF;text-decoration:underline;text-underline-offset:3px}
@media (max-width:900px){.foot{padding-bottom:100px}}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal,.reveal-scale{opacity:1;transform:none;transition:none}
  .hero-copy{transform:none!important;opacity:1!important}
  .ba-track,.dt-track,.frag-track{height:auto}
  .ba-sticky,.dt-sticky,.frag-sticky{position:relative;height:auto}
  .live-dot,.final-wave i{animation:none}
}