:root{
  --navy:#081b33;
  --navy-deep:#041426;
  --navy-2:#0d2948;
  --cyan:#00b8d4;
  --cyan-soft:#72e2ef;
  --off:#f5f8fb;
  --line:#dbe3ea;
  --gray:#a8b2b9;
  --ink:#0a1f36;
  --red:#e53935;
  --white:#ffffff;
  --radius:8px;
  --radius-lg:18px;
  --shadow:0 26px 70px rgba(8,27,51,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
  --container:1240px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  color:var(--ink);
  background:var(--off);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block}
a{text-decoration:none; color:inherit}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 40px), var(--container)); margin:0 auto}
.eyebrow{margin:0 0 14px; color:var(--cyan); font-size:12px; letter-spacing:.22em; text-transform:uppercase; font-weight:700}
.section{padding:110px 0}
.section-light{background:#fff}
.section-heading{max-width:840px; margin-bottom:42px}
.section-heading h2{margin:0 0 12px; font-size:clamp(34px,4vw,56px); line-height:1.08; letter-spacing:-.03em}
.section-lead{margin:0; color:#4f6478; max-width:760px}
.reveal{opacity:1; transform:none}

/* header */
body.menu-open{overflow:hidden}
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(45,49,55,.97);
  border-bottom:1px solid rgba(255,255,255,.065);
  backdrop-filter:blur(16px) saturate(118%);
  box-shadow:0 8px 28px rgba(0,0,0,.09);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(40,44,50,.985);
  box-shadow:0 12px 36px rgba(0,0,0,.17);
}
.nav-shell{
  width:min(calc(100% - 42px),1480px);
  margin-inline:auto;
  min-height:84px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand-logo{height:34px;width:auto}
.desktop-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:30px;
  margin-left:auto;
}
.desktop-nav a{
  position:relative;
  padding:12px 0 10px;
  color:#c7cdd3;
  font-size:14px;
  font-weight:650;
  letter-spacing:.055em;
  text-transform:uppercase;
  transition:color .25s var(--ease),text-shadow .25s var(--ease);
}
.desktop-nav a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:3px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,184,212,.62),transparent);
  transform:scaleX(0);
  opacity:0;
  transition:transform .28s var(--ease),opacity .28s var(--ease);
}
.desktop-nav a:hover{
  color:#f4f7f9;
  text-shadow:0 0 12px rgba(0,184,212,.14);
}
.desktop-nav a:hover::after{transform:scaleX(1);opacity:1}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

/* Wyróżniony kontakt telefoniczny — spokojne światło obiegające ramkę */
.phone-cta,
.mobile-phone-card{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  color:#f7fbfd;
  background:linear-gradient(135deg,#163f55 0%,#0d3043 100%);
  border:1px solid transparent;
  border-radius:8px;
  box-shadow:
    0 10px 28px rgba(0,20,35,.28),
    0 0 18px rgba(0,184,212,.08);
}
.phone-cta::before,
.mobile-phone-card::before{
  content:"";
  position:absolute;
  inset:-45%;
  z-index:-2;
  background:
    conic-gradient(
      from 0deg,
      transparent 0deg 250deg,
      rgba(0,184,212,0) 260deg,
      rgba(0,184,212,.92) 286deg,
      rgba(190,246,255,.86) 302deg,
      rgba(0,184,212,.22) 320deg,
      transparent 338deg 360deg
    );
  animation:phone-orbit 5.8s linear infinite;
}
.phone-cta::after,
.mobile-phone-card::after{
  content:"";
  position:absolute;
  inset:1px;
  z-index:-1;
  border-radius:6px;
  background:linear-gradient(135deg,#173f55 0%,#0e2f42 58%,#0b293a 100%);
}
.phone-cta{
  min-height:50px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:0 15px;
  font-weight:700;
  letter-spacing:.025em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.phone-cta:hover{
  transform:translateY(-1px);
  box-shadow:
    0 13px 34px rgba(0,20,35,.34),
    0 0 25px rgba(0,184,212,.16);
}
.phone-copy{display:grid;line-height:1.08}
.phone-copy small{
  color:#9fd6e0;
  font-size:9px;
  font-weight:650;
  letter-spacing:.13em;
  text-transform:uppercase;
}
.phone-copy strong{
  margin-top:4px;
  color:#fff;
  font-size:15px;
  font-weight:720;
  white-space:nowrap;
}
.phone-icon{
  width:24px;
  height:24px;
  display:grid;
  place-items:center;
  color:#72e2ef;
  animation:phone-breathe 3.2s ease-in-out infinite;
  transform-origin:center;
}
.phone-icon svg{
  width:21px;
  height:21px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.75;
  stroke-linecap:round;
  stroke-linejoin:round;
}
@keyframes phone-orbit{to{transform:rotate(360deg)}}
@keyframes phone-breathe{
  0%,100%{transform:scale(1);filter:drop-shadow(0 0 0 rgba(114,226,239,0))}
  50%{transform:scale(1.065);filter:drop-shadow(0 0 5px rgba(114,226,239,.45))}
}

.menu-toggle,.menu-close{
  width:46px;
  height:46px;
  background:rgba(255,255,255,.025);
  border:1px solid rgba(255,255,255,.14);
  border-radius:7px;
  padding:0;
  display:none;
}
.menu-toggle span,.menu-close span{
  display:block;
  width:19px;
  height:2px;
  margin:4px auto;
  background:#fff;
  border-radius:3px;
  transition:transform .25s,opacity .25s;
}
.menu-close span:first-child{transform:translateY(3px) rotate(45deg)}
.menu-close span:last-child{transform:translateY(-3px) rotate(-45deg)}

.mobile-menu[hidden]{display:none!important}
.mobile-menu{
  position:fixed;
  inset:0;
  z-index:220;
  width:100%;
  height:100dvh;
  min-height:0;
  overflow:hidden;
  display:grid;
  grid-template-rows:auto minmax(0,1fr) auto;
  padding:18px 20px calc(18px + env(safe-area-inset-bottom));
  color:#fff;
  background:#2a2e34;
  isolation:isolate;
}
.mobile-menu::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(circle at 12% 8%,rgba(0,184,212,.115),transparent 34%),
    radial-gradient(circle at 90% 90%,rgba(114,226,239,.055),transparent 26%),
    linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.015) 1px,transparent 1px);
  background-size:auto,auto,46px 46px,46px 46px;
}
.mobile-menu-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:clamp(14px,2.2vh,24px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-menu-content{
  min-height:0;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:clamp(8px,2vh,18px) 0;
}
.mobile-menu-kicker{
  margin:0 0 clamp(4px,1vh,10px);
  color:#82cbd6;
  font-size:10px;
  font-weight:700;
  letter-spacing:.2em;
}
.mobile-menu-nav{
  display:flex;
  flex-direction:column;
}
.mobile-menu-nav a{
  position:relative;
  color:#f3f5f7;
  font-size:clamp(28px,6.8vh,48px);
  font-weight:680;
  line-height:1;
  letter-spacing:-.035em;
  padding:clamp(10px,1.7vh,17px) 0;
  border-bottom:1px solid rgba(255,255,255,.075);
  transition:color .2s,padding-left .2s;
}
.mobile-menu-nav a i{display:none}
.mobile-menu-nav a::after{
  content:"→";
  position:absolute;
  right:4px;
  top:50%;
  transform:translateY(-50%);
  color:rgba(114,226,239,.72);
  font-size:.48em;
  font-style:normal;
}
.mobile-menu-nav a:hover{color:var(--cyan-soft);padding-left:7px}

.mobile-menu-footer{
  position:static;
  display:block;
  padding-top:clamp(12px,2vh,20px);
  border-top:1px solid rgba(255,255,255,.08);
}
.mobile-phone-card{
  width:100%;
  min-height:68px;
  display:flex;
  align-items:center;
  gap:13px;
  padding:11px 15px;
}
.mobile-phone-copy{
  min-width:0;
  display:grid;
  line-height:1.12;
}
.mobile-phone-copy small{
  color:#b8d9df;
  font-size:10px;
  font-weight:650;
  letter-spacing:.055em;
}
.mobile-phone-copy strong{
  margin-top:5px;
  color:#fff;
  font-size:18px;
  font-weight:760;
  white-space:nowrap;
}

/* hero */
.hero{
  padding:84px 0 56px;
  color:#fff;
  background:
    radial-gradient(circle at 18% 8%, rgba(0,184,212,.16), transparent 30%),
    radial-gradient(circle at 84% 18%, rgba(0,184,212,.14), transparent 25%),
    linear-gradient(180deg, #071a31 0%, #081b33 36%, #041426 100%);
}
.hero-grid{display:grid; grid-template-columns:minmax(0, 1.05fr) minmax(0, .95fr); gap:52px; align-items:center}
.hero h1{font-size:clamp(42px, 5vw, 72px); line-height:.98; letter-spacing:-.05em; margin:0 0 18px; max-width:700px}
.hero-text{font-size:19px; color:#c9d8e5; max-width:620px; margin:0 0 28px}
.hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:28px}
.hero-proof{display:flex; gap:22px; flex-wrap:wrap; color:#96aec3; font-weight:600; font-size:14px}
.hero-proof span{position:relative; padding-left:16px}
.hero-proof span::before{content:""; width:6px; height:6px; border-radius:50%; background:var(--cyan); position:absolute; left:0; top:9px}
.hero-visual{position:relative; min-height:560px}
.hero-window{
  position:relative; margin-left:auto; width:min(100%, 620px); border-radius:24px;
  border:1px solid rgba(255,255,255,.09);
  background:linear-gradient(180deg, rgba(12,33,57,.96), rgba(4,20,38,.96));
  box-shadow:var(--shadow); overflow:hidden;
}
.hero-window-bar{
  display:flex; align-items:center; gap:8px; padding:16px 18px; border-bottom:1px solid rgba(255,255,255,.06); color:#86a6be; font-size:13px;
}
.hero-window-bar i{width:10px; height:10px; border-radius:50%; background:#22466e}
.hero-window-bar i:nth-child(2){background:var(--cyan)}
.hero-window-content{position:relative; padding:18px}
.hero-window-content img{width:100%; height:auto}
.play-pulse{
  position:absolute; inset:50% auto auto 50%; width:94px; height:94px; transform:translate(-50%,-50%);
  border-radius:999px; border:0; background:rgba(0,184,212,.16); backdrop-filter:blur(10px);
  display:grid; place-items:center; box-shadow:0 0 0 12px rgba(0,184,212,.08);
}
.play-pulse span{
  width:0; height:0; border-left:22px solid #fff; border-top:14px solid transparent; border-bottom:14px solid transparent; margin-left:6px;
}
.hero-code-card,.hero-symbol-card{
  position:absolute; border-radius:18px; backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.08); background:rgba(4,20,38,.72);
}
.hero-code-card{left:0; top:58px; padding:18px 20px; color:#fff; box-shadow:var(--shadow)}
.hero-code-card span{display:block; font-size:32px; font-weight:800; color:var(--cyan)}
.hero-code-card small{font-size:13px; color:#93b1c9; letter-spacing:.08em; text-transform:uppercase}
.hero-symbol-card{right:6px; bottom:46px; width:120px; height:120px; display:grid; place-items:center}
.hero-symbol-card img{width:68px}
.hero-wave{position:absolute; left:40px; right:0; bottom:-22px; width:88%; height:auto}
.hero-wave path{fill:none; stroke:rgba(0,184,212,.78); stroke-width:2.25}

/* services */
.services-section{background:linear-gradient(180deg,#f4f7f9 0%,#e9eff3 100%);padding-bottom:180px;overflow:clip}
.services-heading{max-width:890px;margin-bottom:64px}
.service-stack{position:relative;display:grid;gap:0;isolation:isolate}
.service-stack-card{
  --stack-gap:18px;
  position:sticky;top:calc(106px + var(--card-index)*var(--stack-gap));z-index:calc(10 + var(--card-index));
  min-height:min(720px,calc(100vh - 136px - var(--card-index)*var(--stack-gap)));
  margin-bottom:110px;padding:clamp(28px,4vw,58px);
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,5vw,72px);align-items:center;
  color:#fff;background:linear-gradient(135deg,#22272d 0%,#111d2a 44%,#081b33 100%);
  border:1px solid rgba(255,255,255,.085);border-radius:24px;overflow:hidden;
  box-shadow:0 34px 80px rgba(8,27,51,.20);transform:translateZ(0);
}
.service-stack-card::before{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;border:1px solid transparent;transition:border-color .35s,box-shadow .35s}
.service-stack-card.is-current::before{border-color:rgba(0,184,212,.24);box-shadow:inset 0 0 60px rgba(0,184,212,.035)}
.service-stack-card::after{content:"";position:absolute;inset:auto -10% -45% 35%;height:70%;background:radial-gradient(circle,rgba(0,184,212,.14),transparent 65%);pointer-events:none}
.service-stack-copy{position:relative;z-index:2;max-width:600px}
.service-stack-kicker{display:flex;align-items:center;gap:12px;margin-bottom:22px;color:#8adce8;font-size:12px;font-weight:750;letter-spacing:.18em;text-transform:uppercase}
.service-stack-card .service-icon{flex:0 0 42px;width:42px;height:42px;border-radius:10px;border:1px solid rgba(0,184,212,.30);background:rgba(0,184,212,.06);position:relative}
.service-stack-card .service-icon::before,.service-stack-card .service-icon::after{content:"";position:absolute;display:block}
.service-icon-browser::before{left:8px;top:10px;width:26px;height:18px;border:2px solid #fff;border-radius:4px}.service-icon-browser::after{left:12px;top:14px;width:18px;height:2px;background:var(--cyan)}
.service-icon-film::before{left:14px;top:11px;width:0;height:0;border-left:14px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent}.service-icon-film::after{left:10px;top:8px;width:22px;height:24px;border:2px solid var(--cyan);border-radius:7px}
.service-icon-code::before{left:9px;top:10px;width:10px;height:10px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(45deg)}.service-icon-code::after{right:9px;top:10px;width:10px;height:10px;border-right:2px solid #fff;border-top:2px solid #fff;transform:rotate(45deg)}
.service-icon-strategy::before{left:9px;top:9px;width:24px;height:24px;border:2px solid #fff;border-radius:50%}.service-icon-strategy::after{left:19px;top:4px;width:4px;height:34px;background:var(--cyan);transform:rotate(45deg)}
.service-stack-copy h3{margin:0 0 17px;font-size:clamp(38px,5vw,66px);line-height:.98;letter-spacing:-.045em}
.service-stack-lead{margin:0;color:#c8d4de;font-size:17px;max-width:590px}
.service-points{list-style:none;margin:26px 0 30px;padding:0;display:grid;gap:12px}
.service-points li{position:relative;padding-left:25px;color:#edf3f7;font-weight:570}
.service-points li::before{content:"";position:absolute;left:0;top:10px;width:9px;height:9px;border:1.5px solid var(--cyan);transform:rotate(45deg)}
.button-stack{background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;min-width:220px;justify-content:space-between}
.button-stack:hover{background:var(--red);border-color:var(--red);color:#fff}
.service-stack-visual{position:relative;z-index:1;min-width:0}
.service-image-frame{position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.1);background:#091522;box-shadow:0 28px 60px rgba(0,0,0,.33)}
.service-image-frame>img{width:100%;height:clamp(360px,47vw,560px);object-fit:cover;transition:transform .8s var(--ease),filter .8s var(--ease);filter:saturate(.76) brightness(.83)}
.service-stack-card.is-current .service-image-frame>img{transform:scale(1.018);filter:saturate(1) brightness(.91)}
.service-image-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,20,38,.08),rgba(4,20,38,.44))}
.service-image-caption{position:absolute;left:18px;bottom:16px;display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:7px;background:rgba(20,23,27,.72);backdrop-filter:blur(10px);color:#dfe8ed;font-size:11px;font-weight:750;letter-spacing:.16em}
.service-image-caption img{width:22px;height:22px;object-fit:contain}
.service-glow{position:absolute;width:62%;height:62%;right:-16%;bottom:-18%;border-radius:50%;background:rgba(0,184,212,.13);filter:blur(52px);z-index:-1}

/* process */
.process-section{background:linear-gradient(180deg, #081b33 0%, #07172a 100%); color:#fff}
.process-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:18px}
.process-card{
  position:relative; border-radius:24px; overflow:hidden; border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03); min-height:560px; transition:transform .3s var(--ease), border-color .3s var(--ease)
}
.process-card:hover{transform:translateY(-4px); border-color:rgba(0,184,212,.35)}
.process-card img{width:100%; height:100%; object-fit:cover}
.process-card-copy{
  position:absolute; left:0; right:0; bottom:0; padding:24px; background:linear-gradient(180deg, rgba(4,20,38,0), rgba(4,20,38,.92) 55%, rgba(4,20,38,.98) 100%);
}
.process-card-copy h3{margin:0 0 10px; font-size:28px; letter-spacing:-.03em}
.process-card-copy p{margin:0 0 10px; color:#d2e1ed}
.process-card-copy small{color:var(--cyan); text-transform:uppercase; letter-spacing:.1em; font-weight:700}

/* portfolio */
.portfolio-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:18px}
.project-card{
  position:relative; overflow:hidden; border-radius:22px; min-height:360px;
  background:#0a1f36; box-shadow:0 18px 50px rgba(8,27,51,.1)
}
.project-card img{width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease), filter .5s var(--ease)}
.project-overlay{
  position:absolute; inset:0; display:flex; flex-direction:column; justify-content:space-between;
  padding:24px; background:linear-gradient(180deg, rgba(4,20,38,.1), rgba(4,20,38,.92));
}
.project-brand{
  color:rgba(255,255,255,.75); font-size:12px; letter-spacing:.22em; text-transform:uppercase; font-weight:700;
  transition:color .25s var(--ease)
}
.project-overlay span{display:block; color:#fff; font-size:28px; font-weight:800; letter-spacing:-.03em}
.project-overlay p{margin:8px 0 0; color:#c6d7e3; max-width:320px}
.project-arrow{
  align-self:flex-end; width:46px; height:46px; display:grid; place-items:center; border-radius:12px;
  background:rgba(255,255,255,.08); color:#fff; font-size:22px; transition:transform .25s var(--ease), background .25s var(--ease)
}
.project-card:hover img{transform:scale(1.03); filter:saturate(1.08)}
.project-card:hover .project-brand{color:var(--cyan)}
.project-card:hover .project-arrow{transform:translateX(3px); background:rgba(0,184,212,.18)}

/* about */
.about-grid{display:grid; grid-template-columns:1.05fr .95fr; gap:48px; align-items:center}
.about-copy h2{margin:0 0 16px; font-size:clamp(34px, 4vw, 56px); line-height:1.08; letter-spacing:-.03em}
.about-copy p{margin:0 0 20px; color:#55697c}
.about-badges{display:flex; flex-wrap:wrap; gap:12px}
.about-badges span{
  padding:10px 14px; border-radius:999px; background:#fff; border:1px solid var(--line); color:var(--navy); font-weight:700
}
.about-visual{background:linear-gradient(180deg, #0c2745, #07172a); border-radius:28px; padding:22px; box-shadow:var(--shadow)}
.about-visual img{width:100%}

/* contact */
.contact-section{background:linear-gradient(180deg, #081b33 0%, #061528 100%); color:#fff}
.contact-panel{
  display:grid; grid-template-columns:.9fr 1.1fr; gap:30px; align-items:start;
  padding:36px; border-radius:28px; background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.07);
}
.contact-copy h2{margin:0 0 14px; font-size:clamp(32px,4vw,50px); line-height:1.08; letter-spacing:-.03em}
.contact-copy p{color:#d2e1ed}
.contact-direct{display:grid; gap:16px; margin-top:24px}
.contact-direct span{display:block; color:#87a7be; font-size:12px; text-transform:uppercase; letter-spacing:.18em; margin-bottom:6px}
.contact-direct a{font-weight:700; font-size:18px}
.contact-form{display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:14px}
.field{display:grid; gap:8px}
.field-full{grid-column:1/-1}
.field span{color:#d8e7f4; font-weight:600}
.field small{opacity:.75}
.field input,.field textarea{
  width:100%; border-radius:10px; border:1px solid rgba(255,255,255,.12); background:#0d2948; color:#fff; padding:15px 16px;
  outline:none; transition:border-color .2s, box-shadow .2s;
}
.field input:focus,.field textarea:focus{border-color:rgba(0,184,212,.6); box-shadow:0 0 0 4px rgba(0,184,212,.12)}
.honeypot{position:absolute; left:-9999px}
.form-status{margin:0; font-weight:600}
.form-status.is-success{color:#7ee5a2}
.form-status.is-error{color:#ff9e9e}

/* footer */
.site-footer{background:#05111f; color:#d1dfeb; padding:90px 0 24px}
.footer-grid{display:grid; grid-template-columns:1.2fr .8fr .8fr 1fr; gap:34px}
.footer-brand img{height:34px; width:auto; margin-bottom:18px}
.footer-brand p{max-width:420px; color:#9fb3c6}
.footer-mail{display:inline-block; margin-top:16px; color:#fff; font-weight:700}
.footer-col h3{margin:0 0 18px; font-size:18px; color:#fff}
.footer-col ul{list-style:none; margin:0; padding:0; display:grid; gap:10px}
.footer-col a{color:#cbd8e3}
.footer-col a:hover{color:var(--cyan)}
.footer-contact p{margin:0 0 12px}
.footer-cta{margin-top:12px}
.footer-bottom{
  display:flex; justify-content:space-between; gap:12px; align-items:center;
  border-top:1px solid rgba(255,255,255,.08); margin-top:34px; padding-top:18px; color:#87a1b6; font-size:14px
}
.mobile-bottom-cta{display:none}

/* responsive */
@media (max-width:1320px){
  .desktop-nav{gap:20px}.desktop-nav a{font-size:13px}.phone-label{display:none}.phone-cta{width:48px;padding:0;justify-content:center}.nav-cta{min-width:154px}
}
@media (max-width:1080px){
  .desktop-nav,.nav-cta{display:none}.menu-toggle{display:block}.phone-label{display:none}.phone-cta{width:46px;padding:0;justify-content:center}
  .hero-grid,.about-grid,.contact-panel{grid-template-columns:1fr}.portfolio-grid{grid-template-columns:1fr}.process-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}
  .service-stack-card{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:760px){
  .container{width:min(calc(100% - 28px),var(--container))}.nav-shell{width:calc(100% - 28px);min-height:76px}.brand-logo{height:28px}.nav-actions{gap:8px}
  .phone-cta{width:42px;min-height:42px}.menu-toggle{width:42px;height:42px}.mobile-menu-footer{grid-template-columns:1fr}.mobile-phone-card{min-height:56px}.mobile-menu-footer .button{min-height:56px}
  .hero{padding-top:50px}.hero-grid{gap:26px}.hero h1{font-size:42px}.hero-text{font-size:17px}.hero-visual{min-height:390px}.hero-window{max-width:100%}.hero-code-card{left:8px;top:8px;padding:12px 14px}.hero-symbol-card{width:86px;height:86px;right:12px;bottom:10px}
  .section{padding:82px 0}.services-section{padding-bottom:130px}.services-heading{margin-bottom:40px}
  .service-stack-card{--stack-gap:12px;top:calc(88px + var(--card-index)*var(--stack-gap));min-height:calc(100svh - 106px - var(--card-index)*var(--stack-gap));margin-bottom:76px;padding:24px;grid-template-columns:1fr;align-content:start;border-radius:20px}
  .service-stack-copy h3{font-size:42px}.service-stack-lead{font-size:16px}.service-points{margin:20px 0 24px}.service-stack-visual{margin-top:2px}.service-image-frame>img{height:260px}.button-stack{width:100%}
  .process-grid{grid-template-columns:1fr}.process-card{min-height:420px}.contact-form{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;align-items:flex-start}.mobile-bottom-cta{display:none}
}
@media (prefers-reduced-motion:reduce){.phone-icon{animation:none}.service-image-frame>img{transition:none}}

/* =========================================================
   HEADER V5.1 — wyłącznie poprawka menu
   ========================================================= */
body{
  font-family:"Avenir Next","Segoe UI Variable Text","Segoe UI",Inter,system-ui,-apple-system,sans-serif;
}
.header-v5{
  background:rgba(45,49,55,.97);
}
.header-v5.is-scrolled{
  background:rgba(40,44,50,.985);
}
.header-v5::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:1px;
  pointer-events:none;
  background:linear-gradient(90deg,transparent 4%,rgba(0,184,212,.10) 28%,rgba(0,184,212,.20) 50%,rgba(0,184,212,.10) 72%,transparent 96%);
}
.header-v5 .nav-shell{
  width:min(calc(100% - 48px),1480px);
  min-height:88px;
  gap:28px;
}
.header-v5 .brand-logo{height:35px}
.header-v5 .desktop-nav{
  gap:38px;
  margin-left:auto;
}
.header-v5 .desktop-nav a{
  color:#cbd1d7;
  font-size:15px;
  font-weight:430;
  letter-spacing:.018em;
  text-transform:none;
  padding:17px 0 14px;
}
.header-v5 .desktop-nav a::after{
  left:14%;
  right:14%;
  bottom:7px;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  transform:scaleX(.2);
}
.header-v5 .desktop-nav a:hover{
  color:#fff;
  text-shadow:0 0 16px rgba(0,184,212,.11);
}
.header-v5 .desktop-nav a:hover::after{
  transform:scaleX(1);
  opacity:.65;
}
.header-v5 .nav-actions{gap:12px}
.header-v5 .phone-cta{
  min-height:52px;
  padding:0 15px 0 10px;
  gap:11px;
  font-weight:500;
  letter-spacing:0;
}
.header-v5 .phone-copy{gap:3px}
.header-v5 .phone-copy small{
  font-size:9px;
  font-weight:560;
  letter-spacing:.12em;
}
.header-v5 .phone-copy strong{
  font-size:15px;
  font-weight:520;
  letter-spacing:.025em;
}
.header-v5 .phone-icon{
  width:34px;
  height:34px;
  border-radius:9px;
  background:rgba(114,226,239,.095);
}
.header-v5 .menu-toggle{
  display:none;
  background:rgba(255,255,255,.035);
  border-color:rgba(255,255,255,.14);
}

/* Menu mobile: dopasowane do wysokości ekranu, bez przewijania i bez dolnego paska CTA */
.mobile-menu-v5[hidden]{display:none!important}
.mobile-menu-v5{
  position:fixed;
  inset:0;
  z-index:500;
  width:100%;
  height:100dvh;
  min-height:0;
  overflow:hidden;
  display:grid;
  grid-template-rows:auto minmax(0,1fr) auto;
  padding:18px 20px calc(18px + env(safe-area-inset-bottom));
  color:#fff;
  background:
    linear-gradient(rgba(255,255,255,.016) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.013) 1px,transparent 1px),
    linear-gradient(145deg,#2d3137 0%,#292e35 50%,#202b35 100%);
  background-size:46px 46px,46px 46px,auto;
  opacity:0;
  transform:translateY(-8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.mobile-menu-v5.is-open{opacity:1;transform:translateY(0)}
.mobile-menu-v5 .mobile-menu-head{
  min-height:58px;
  padding:0 0 clamp(12px,2vh,20px);
}
.mobile-menu-v5 .brand-logo{height:30px}
.mobile-menu-v5 .menu-close{
  display:grid;
  place-items:center;
  position:relative;
  width:46px;
  height:46px;
  border-radius:9px;
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.16);
}
.mobile-menu-v5 .menu-close span{
  position:absolute;
  width:21px;
  height:1.5px;
  margin:0;
  background:#fff;
}
.mobile-menu-v5 .menu-close span:first-child{transform:rotate(45deg)}
.mobile-menu-v5 .menu-close span:last-child{transform:rotate(-45deg)}
.mobile-menu-v5 .mobile-menu-content{
  min-height:0;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:clamp(6px,1.5vh,14px) 0;
}
.mobile-menu-v5 .mobile-menu-kicker{
  margin:0 0 clamp(2px,.7vh,8px);
  color:#91b7c1;
  font-size:9px;
  font-weight:560;
  letter-spacing:.22em;
}
.mobile-menu-v5 .mobile-menu-nav{
  padding:0;
  gap:0;
}
.mobile-menu-v5 .mobile-menu-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:clamp(10px,1.55vh,16px) 0;
  color:#f4f6f8;
  border-bottom:1px solid rgba(255,255,255,.075);
  font-size:clamp(28px,6.4vh,46px);
  font-weight:390;
  line-height:1;
  letter-spacing:-.035em;
}
.mobile-menu-v5 .mobile-menu-nav a::after{display:none}
.mobile-menu-v5 .mobile-menu-nav a i{
  display:block;
  color:rgba(114,226,239,.76);
  font-size:.48em;
  font-style:normal;
  font-weight:400;
}
.mobile-menu-v5 .mobile-menu-footer{
  position:static;
  display:block;
  padding-top:clamp(10px,1.5vh,16px);
  border-top:1px solid rgba(255,255,255,.08);
  background:none;
}
.mobile-menu-v5 .mobile-phone-card{
  width:100%;
  min-height:66px;
  padding:10px 15px;
  gap:13px;
}
.mobile-menu-v5 .mobile-phone-card .phone-icon{
  flex:0 0 36px;
  width:36px;
  height:36px;
}
.mobile-menu-v5 .mobile-phone-copy small{
  color:#b9d9df;
  font-size:10px;
  font-weight:520;
  line-height:1.25;
  letter-spacing:.02em;
  text-transform:none;
}
.mobile-menu-v5 .mobile-phone-copy strong{
  display:block;
  margin-top:4px;
  color:#fff;
  font-size:18px;
  font-weight:540;
  letter-spacing:.02em;
}
.mobile-bottom-cta{display:none!important}

@media (max-width:1280px){
  .header-v5 .desktop-nav{gap:26px}
  .header-v5 .desktop-nav a{font-size:14px}
  .header-v5 .phone-copy small{display:none}
}
@media (max-width:1120px){
  .header-v5 .desktop-nav{display:none}
  .header-v5 .menu-toggle{display:block}
  .header-v5 .phone-copy{display:none}
  .header-v5 .phone-cta{
    width:48px;
    padding:0;
    justify-content:center;
  }
}
@media (max-width:760px){
  .header-v5 .nav-shell{
    width:calc(100% - 28px);
    min-height:76px;
  }
  .header-v5 .brand-logo{height:29px}
  .header-v5 .nav-actions{gap:8px}
  .header-v5 .phone-cta{
    width:42px;
    min-height:42px;
    border-radius:8px;
  }
  .header-v5 .phone-icon{
    width:30px;
    height:30px;
    border-radius:8px;
  }
  .header-v5 .menu-toggle{
    width:42px;
    height:42px;
    border-radius:8px;
  }
}
@media (max-height:650px) and (max-width:1120px){
  .mobile-menu-v5{
    padding-top:12px;
    padding-bottom:calc(12px + env(safe-area-inset-bottom));
  }
  .mobile-menu-v5 .mobile-menu-head{min-height:48px}
  .mobile-menu-v5 .mobile-menu-nav a{
    font-size:clamp(25px,5.8vh,36px);
    padding:8px 0;
  }
  .mobile-menu-v5 .mobile-phone-card{min-height:58px}
  .mobile-menu-v5 .mobile-phone-copy small{font-size:9px}
  .mobile-menu-v5 .mobile-phone-copy strong{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  .phone-cta::before,
  .mobile-phone-card::before,
  .phone-icon{animation:none!important}
  .mobile-menu-v5{transition:none}
}

/* =========================================================
   HEADER V5.2 — korekta proporcji desktop
   ========================================================= */
@media (min-width:1121px){
  .header-v5 .nav-shell{
    width:min(calc(100% - 40px),var(--container));
    min-height:92px;
    justify-content:flex-start;
    gap:0;
  }
  .header-v5 .brand-logo{
    height:44px;
  }
  .header-v5 .desktop-nav{
    margin-left:48px;
    margin-right:auto;
    gap:32px;
  }
  .header-v5 .nav-actions{
    margin-left:34px;
  }
  .header-v5 .phone-cta{
    min-width:220px;
    min-height:54px;
    justify-content:flex-start;
    padding-left:13px;
    padding-right:22px;
  }
  .header-v5 .phone-copy strong{
    font-size:16px;
  }
}
@media (min-width:1121px) and (max-width:1260px){
  .header-v5 .desktop-nav{
    margin-left:36px;
    gap:24px;
  }
  .header-v5 .phone-cta{
    min-width:205px;
  }
}
@media (max-width:760px){
  .header-v5 .brand-logo{
    height:31px;
  }
}

/* =========================================================
   HEADER V5.3 — menu przy przycisku Zadzwoń
   ========================================================= */
@media (min-width:1121px){
  .header-v5 .nav-shell{
    justify-content:flex-start;
  }

  .header-v5 .desktop-nav{
    margin-left:auto;
    margin-right:24px;
    gap:32px;
  }

  .header-v5 .nav-actions{
    margin-left:0;
  }
}

@media (min-width:1121px) and (max-width:1260px){
  .header-v5 .desktop-nav{
    margin-right:18px;
    gap:24px;
  }
}