:root {
  --tlo: #0A1119;
  --tlo2: #0E1822;
  --karta: #111D29;
  --obrys: rgba(241, 239, 232, .08);
  --obrys2: rgba(241, 239, 232, .16);
  --tekst: #F1EFE8;
  --tekst2: #9AA6B2;
  --tekst3: #66737F;
  --akcent: #2BB38A;
  --akcent2: #5DCAA5;
  --czerwony: #E24B4A;
  --pomar: #EF9F27;
  --naglowki: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --logo: "Montserrat", "Segoe UI", system-ui, sans-serif;
  --tresc: "Inter", "Segoe UI", system-ui, sans-serif;
  --szer: 1200px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { background: var(--tlo); color: var(--tekst); font: 400 17px/1.65 var(--tresc); overflow-x: hidden; overflow-x: clip; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
::selection { background: var(--akcent); color: var(--tlo); }

/* ---------- nagłówek ---------- */
.naglowek { position: fixed; inset: 0 0 auto 0; z-index: 50; display: flex; align-items: center; gap: 32px;
  padding: 18px max(24px, calc((100vw - var(--szer)) / 2)); transition: background .4s, padding .4s, border-color .4s;
  border-bottom: 1px solid transparent; }
.naglowek.przewiniety { background: rgba(10, 17, 25, .78); backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%); border-color: var(--obrys); padding-block: 12px; }
.marka { display: flex; align-items: center; gap: 12px; text-decoration: none; font: 800 17px var(--logo); letter-spacing: .08em; white-space: nowrap; }
.marka-znak { width: 34px; height: 34px; color: var(--tekst); }
.menu { display: flex; gap: 28px; margin-left: auto; }
.menu a { text-decoration: none; font-size: 15px; color: var(--tekst2); transition: color .2s; }
.menu a:hover { color: var(--tekst); }

.przycisk { display: inline-flex; align-items: center; gap: 10px; padding: 15px 26px; border-radius: 999px; text-decoration: none;
  font: 600 15px var(--tresc); background: var(--akcent); color: #04130E; transition: transform .25s var(--ease), box-shadow .25s, background .25s;
  box-shadow: 0 0 0 0 rgba(43, 179, 138, 0); }
.przycisk:hover { transform: translateY(-2px); background: var(--akcent2); box-shadow: 0 12px 40px -10px rgba(43, 179, 138, .6); }
.przycisk.duch { background: transparent; color: var(--tekst); border: 1px solid var(--obrys2); }
.przycisk.duch:hover { background: rgba(241, 239, 232, .06); box-shadow: none; }
.przycisk.maly { padding: 10px 18px; font-size: 14px; }
.przycisk.duzy { padding: 18px 34px; font-size: 17px; }

/* ---------- hero ---------- */
.hero { height: 340vh; position: relative; }
.hero-scena { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); align-items: center;
  padding: 0 max(24px, calc((100vw - var(--szer)) / 2)); }
.hero-poswiata { position: absolute; right: 8%; top: 50%; width: 70vmin; height: 70vmin; transform: translate(0, -50%);
  background: radial-gradient(closest-side, rgba(43, 179, 138, .22), rgba(43, 179, 138, .06) 55%, transparent);
  filter: blur(10px); pointer-events: none; }
.hero-animacja { position: absolute; right: max(0px, calc((100vw - 1500px) / 2)); top: 50%; transform: translateY(-50%);
  width: min(62vw, 1100px); aspect-ratio: 16 / 10; }
.hero-tekst { position: relative; z-index: 2; max-width: 560px; transition: opacity .3s linear; }
.odznaka { display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px; border: 1px solid var(--obrys2); border-radius: 999px;
  font-size: 13px; color: var(--tekst2); margin-bottom: 26px; background: rgba(17, 29, 41, .6); }
.kropka-live { width: 8px; height: 8px; border-radius: 50%; background: var(--akcent); box-shadow: 0 0 0 0 rgba(43, 179, 138, .6); animation: live 2s infinite; }
@keyframes live { 70% { box-shadow: 0 0 0 9px rgba(43, 179, 138, 0); } 100% { box-shadow: 0 0 0 0 rgba(43, 179, 138, 0); } }
h1 { font: 600 clamp(36px, 5vw, 74px)/1.04 var(--naglowki); letter-spacing: -.03em; }
.gradient { background: linear-gradient(100deg, var(--akcent2), #B9F0DC 55%, var(--akcent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(17px, 1.35vw, 20px); color: var(--tekst2); margin-top: 24px; max-width: 560px; }
.przyciski { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.lead-krotki { display: none; }

.hero-etapy { position: absolute; right: max(24px, calc((100vw - var(--szer)) / 2)); bottom: 9vh; list-style: none; width: 300px; height: 70px; z-index: 2; }
.hero-etapy li { position: absolute; inset: 0; opacity: 0; transform: translateY(10px); transition: opacity .45s, transform .45s var(--ease);
  border-left: 2px solid var(--akcent); padding-left: 16px; }
.hero-etapy li.widoczny { opacity: 1; transform: none; }
.hero-etapy b { display: block; font: 600 18px var(--naglowki); }
.hero-etapy span { font-size: 14px; color: var(--tekst2); }
.przewin { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); font-size: 12px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--tekst3); display: flex; flex-direction: column; align-items: center; gap: 10px; transition: opacity .3s; }
.przewin span { width: 22px; height: 36px; border: 1.5px solid var(--tekst3); border-radius: 12px; position: relative; }
.przewin span::after { content: ""; position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: var(--tekst2);
  animation: kolko 1.8s infinite; }
@keyframes kolko { 0% { opacity: 0; transform: translateY(-3px); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(10px); } }

/* ---------- pasek liczb ---------- */
.pasek-liczb { display: grid; grid-template-columns: repeat(4, 1fr); max-width: var(--szer); margin: 0 auto; padding: 0 24px;
  border-top: 1px solid var(--obrys); border-bottom: 1px solid var(--obrys); }
.liczba-box { padding: 44px 28px; border-left: 1px solid var(--obrys); }
.liczba-box:first-child { border-left: 0; padding-left: 0; }
.liczba-box b { display: block; font: 600 clamp(28px, 3vw, 42px)/1.1 var(--naglowki); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.liczba-box > span { display: block; margin-top: 8px; color: var(--tekst2); font-size: 15px; }

/* ---------- sekcje ---------- */
.sekcja { max-width: var(--szer); margin: 0 auto; padding: 150px 24px 0; }
.sekcja-glowa { max-width: 760px; margin-bottom: 64px; }
.etykieta { font: 600 13px var(--tresc); letter-spacing: .22em; text-transform: uppercase; color: var(--akcent2); margin-bottom: 18px;
  display: flex; align-items: center; gap: 12px; }
.etykieta::before { content: ""; width: 26px; height: 1px; background: var(--akcent2); }
h2 { font: 600 clamp(28px, 3.2vw, 46px)/1.12 var(--naglowki); letter-spacing: -.025em; }
h3 { font: 600 20px/1.3 var(--naglowki); letter-spacing: -.01em; }
.waski { max-width: 680px; }

.karty { display: grid; gap: 24px; }
.karty.trzy { grid-template-columns: repeat(3, 1fr); }
.karta { background: linear-gradient(180deg, var(--karta), rgba(17, 29, 41, .4)); border: 1px solid var(--obrys); border-radius: 22px; padding: 34px 32px 38px;
  transition: border-color .3s, transform .4s var(--ease); }
.karta:hover { border-color: var(--obrys2); transform: translateY(-4px); }
.karta h3 { margin: 26px 0 10px; }
.karta p { color: var(--tekst2); }
.karta p b { color: var(--tekst); font-weight: 600; }
.ikona { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: rgba(43, 179, 138, .12); color: var(--akcent2);
  border: 1px solid rgba(43, 179, 138, .3); }
.ikona.czerwona { background: rgba(226, 75, 74, .1); color: #F08584; border-color: rgba(226, 75, 74, .3); }
.ikona svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- jak działa ---------- */
.jak-uklad { display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items: center; }
.kroki { list-style: none; display: grid; gap: 34px; }
.kroki li { display: flex; gap: 22px; }
.kroki .nr { font: 600 15px var(--naglowki); color: var(--akcent2); padding-top: 4px; min-width: 30px; }
.kroki p { color: var(--tekst2); margin-top: 6px; }
.namiar svg { width: 100%; height: auto; display: block; border-radius: 24px; border: 1px solid var(--obrys); }
.namiar figcaption { color: var(--tekst3); font-size: 14px; margin-top: 14px; }
.n-et { font: 500 14px var(--tresc); fill: var(--tekst2); }
.n-et.pomar { fill: var(--pomar); }
.n-fala { fill: none; stroke: #5DCAA5; stroke-width: 2; transform-box: fill-box; transform-origin: center; animation: fala 2.6s ease-out infinite; }
.n-modul:nth-of-type(2) .n-fala { animation-delay: .8s; }
@keyframes fala { 0% { opacity: .9; transform: scale(.4); } 100% { opacity: 0; transform: scale(2.4); } }
.n-namiar { stroke-dasharray: 260; stroke-dashoffset: 260; }
.widoczny .n-namiar { animation: rysuj 1.4s var(--ease) forwards .4s; }
.widoczny .n-namiar.n2 { animation-delay: .7s; }
@keyframes rysuj { to { stroke-dashoffset: 0; } }
.n-dron, .n-stozek, .n-trasa { opacity: 0; transition: opacity .8s 1.8s; }
.widoczny .n-dron { opacity: 1; }
.widoczny .n-trasa { opacity: .55; transition-delay: 2.2s; }
.widoczny .n-stozek { opacity: .14; transition-delay: 2.6s; }

/* ---------- moduł ---------- */
.modul-uklad { display: grid; grid-template-columns: 1.35fr 1fr; gap: 48px; align-items: center; }
.modul-foto { border-radius: 26px; overflow: hidden; border: 1px solid var(--obrys); background: #A3ABA2; }
.modul-foto img { width: 100%; transition: transform 1.2s var(--ease); }
.modul-foto:hover img { transform: scale(1.03); }
.parametry { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--obrys); border: 1px solid var(--obrys); border-radius: 22px; overflow: hidden; }
.param { background: var(--tlo); padding: 24px 22px; }
.param b { display: block; font: 600 22px var(--naglowki); color: var(--tekst); }
.param span { display: block; color: var(--tekst2); font-size: 14px; margin-top: 6px; line-height: 1.5; }

/* ---------- sieć ---------- */
.siec-uklad { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.warstwy { margin-top: 36px; display: grid; gap: 4px; }
.warstwy div { display: flex; justify-content: space-between; align-items: baseline; padding: 14px 0; border-bottom: 1px solid var(--obrys); }
.warstwy dt { display: flex; align-items: center; gap: 12px; color: var(--tekst2); }
.warstwy dt i { width: 12px; height: 12px; border-radius: 50%; }
.warstwy dd { font: 600 22px var(--naglowki); font-variant-numeric: tabular-nums; }
.warstwy .razem dt { color: var(--tekst); font-weight: 600; }
.warstwy .razem dd { font-size: 34px; color: var(--akcent2); }
.przypis { color: var(--tekst3); font-size: 14px; margin-top: 22px; }
.mapa { border-radius: 26px; overflow: hidden; border: 1px solid var(--obrys); background: #0D141E; }

/* ---------- skala ---------- */
.slupki { display: grid; gap: 22px; }
.slupek { display: grid; grid-template-columns: 210px 1fr 150px; gap: 24px; align-items: center; }
.slupek-opis b { display: block; font: 600 17px var(--naglowki); }
.slupek-opis span { font-size: 14px; color: var(--tekst2); }
.tor { height: 14px; border-radius: 99px; background: rgba(241, 239, 232, .05); overflow: hidden; }
.wypelnienie { height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, #8A3433, var(--czerwony)); transition: width 1.6s var(--ease) .2s; }
.wypelnienie.nasz { background: var(--akcent2); min-width: 10px; }
.widoczny .wypelnienie { width: var(--w); }
.kwota { font: 600 22px var(--naglowki); text-align: right; font-variant-numeric: tabular-nums; }
.kwota.akcent { color: var(--akcent2); }
.cytat { margin-top: 60px; font: 500 clamp(20px, 2vw, 26px)/1.45 var(--naglowki); color: var(--tekst); border-left: 3px solid var(--akcent); padding-left: 26px; max-width: 820px; }

/* ---------- oś czasu ---------- */
.os { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.os::before { content: ""; position: absolute; left: 0; right: 0; top: 46px; height: 1px; background: var(--obrys2); }
.os li { padding-right: 28px; position: relative; }
.kiedy { font: 600 13px var(--tresc); letter-spacing: .14em; text-transform: uppercase; color: var(--tekst3); }
.os li::after { content: ""; position: absolute; left: 0; top: 40px; width: 13px; height: 13px; border-radius: 50%; background: var(--tlo); border: 2px solid var(--tekst3); }
.os li.teraz::after { background: var(--akcent); border-color: var(--akcent); box-shadow: 0 0 0 6px rgba(43, 179, 138, .18); }
.os li.teraz .kiedy { color: var(--akcent2); }
.os h3 { margin-top: 54px; }
.os p { color: var(--tekst2); margin-top: 8px; font-size: 15px; }

/* ---------- kontakt ---------- */
.kontakt { padding-bottom: 120px; }
.kontakt-karta { position: relative; overflow: hidden; border-radius: 32px; padding: 72px 64px; border: 1px solid rgba(43, 179, 138, .3);
  background: radial-gradient(120% 140% at 100% 0%, rgba(43, 179, 138, .22), transparent 55%), var(--tlo2); }
.kontakt-tlo { position: absolute; right: -60px; top: -40px; width: 460px; height: 460px; opacity: .07; color: var(--tekst); pointer-events: none; }
.kontakt-tlo svg { width: 100%; height: 100%; }
.kontakt-karta h2 { max-width: 760px; position: relative; }
.kontakt-karta .lead { position: relative; max-width: 680px; }
.osoby { margin: 28px 0 36px; position: relative; font: 500 17px var(--naglowki); color: var(--tekst); }
.osoby .osoba { white-space: nowrap; }
.osoby .sep { color: var(--akcent2); margin: 0 10px; }
.przycisk { white-space: nowrap; }

.stopka { max-width: var(--szer); margin: 0 auto; padding: 40px 24px 50px; border-top: 1px solid var(--obrys); display: flex; flex-wrap: wrap;
  gap: 18px 40px; align-items: center; justify-content: space-between; color: var(--tekst3); font-size: 14px; }
.stopka .marka { color: var(--tekst2); font-size: 14px; }
.stopka .marka-znak { width: 26px; height: 26px; }

/* ---------- pojawianie się ---------- */
.ujawnij { opacity: 0; transform: translateY(34px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.ujawnij.widoczny { opacity: 1; transform: none; }
.karty .ujawnij:nth-child(2), .parametry .ujawnij:nth-child(2n), .os .ujawnij:nth-child(2), .kroki .ujawnij:nth-child(2) { transition-delay: .1s; }
.karty .ujawnij:nth-child(3), .os .ujawnij:nth-child(3), .kroki .ujawnij:nth-child(3) { transition-delay: .2s; }
.os .ujawnij:nth-child(4), .kroki .ujawnij:nth-child(4) { transition-delay: .3s; }

/* ---------- mniejsze ekrany ---------- */
@media (max-width: 1000px) {
  .menu { display: none; }
  .naglowek .przycisk { margin-left: auto; }
  /* telefon/tablet: bez przyklejonej sceny; tekst, pod nim model (składa się sam), pod modelem przycisk */
  .hero { height: auto; }
  .hero-scena { position: relative; height: auto; min-height: 0; display: flex; flex-direction: column; align-items: stretch; padding: 96px 24px 40px; }
  .hero-tekst { display: contents; }
  .odznaka { order: 1; align-self: flex-start; margin-bottom: 18px; }
  .hero h1 { order: 2; }
  .hero .lead { order: 3; }
  .hero-animacja { order: 4; position: relative; right: auto; top: auto; transform: none; flex: 0 0 auto;
    width: calc(100% + 48px); max-width: 720px; margin: 8px -24px 0; align-self: center;
    background: radial-gradient(closest-side, rgba(43, 179, 138, .2), rgba(43, 179, 138, .05) 60%, transparent); }
  .przyciski { order: 5; margin-top: 8px; }
  .hero-poswiata, .hero-etapy { display: none; }
  .lead-dlugi { display: none; }
  .lead-krotki { display: block; }
  .pasek-liczb { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .liczba-box { padding: 26px 14px; border-left: 0; border-top: 1px solid var(--obrys); min-width: 0; }
  .liczba-box b { font-size: clamp(22px, 5vw, 36px); white-space: nowrap; }
  .liczba-box > span { font-size: 14px; line-height: 1.4; }
  .liczba-box:nth-child(-n+2) { border-top: 0; }
  .liczba-box:nth-child(2n) { border-left: 1px solid var(--obrys); }
  .liczba-box:first-child { padding-left: 14px; }
  .sekcja { padding-top: 100px; }
  .karty.trzy, .jak-uklad, .modul-uklad, .siec-uklad { grid-template-columns: 1fr; }
  .slupek { grid-template-columns: 1fr auto; gap: 8px 16px; }
  .slupek .tor { grid-column: 1 / -1; grid-row: 2; }
  .os { grid-template-columns: 1fr; gap: 34px; padding-left: 34px; }
  .os::before { left: 6px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .os li::after { left: -34px; top: 4px; }
  .os h3 { margin-top: 6px; }
  .kontakt-karta { padding: 44px 26px; border-radius: 26px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .naglowek { padding-inline: 16px; gap: 12px; }
  .marka span { font-size: 14px; }
  .marka-znak { width: 28px; height: 28px; }
  .pasek-liczb, .sekcja { padding-inline: 16px; }
  .parametry { grid-template-columns: 1fr; }
  .przyciski .przycisk.duch, .przewin { display: none; }
  .hero-scena { padding: 88px 16px 36px; }
  .hero h1 { font-size: clamp(32px, 9.5vw, 42px); }
  .hero-animacja { width: calc(100% + 32px); margin-inline: -16px; }
  .lead { margin-top: 14px; font-size: 16px; }
  .odznaka { font-size: 12px; padding: 6px 12px; gap: 8px; margin-bottom: 16px; }
  .kropka-live { width: 7px; height: 7px; }
  /* liczby jedna pod drugą: liczba po lewej, opis po prawej (odporne na większą czcionkę systemową) */
  .pasek-liczb { grid-template-columns: minmax(0, 1fr); }
  .liczba-box, .liczba-box:first-child, .liczba-box:nth-child(2n) { display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 18px 0; border-left: 0; border-top: 1px solid var(--obrys); }
  .liczba-box:first-child { border-top: 0; }
  .liczba-box:nth-child(2) { border-top: 1px solid var(--obrys); }
  .liczba-box b { font-size: 26px; white-space: nowrap; flex-shrink: 0; }
  .liczba-box > span { margin-top: 0; text-align: right; font-size: 14px; max-width: 58%; }
  /* przycisk w hero: mniejszy i spokojniejszy */
  .przyciski { width: auto; }
  .przyciski .przycisk { width: auto; max-width: 100%; padding: 11px 18px; font-size: 14px; text-align: center; white-space: normal; }
  /* zespół: każde nazwisko w osobnej linii */
  .osoby { display: flex; flex-direction: column; gap: 4px; }
  .osoby .sep { display: none; }
  /* kontakt */
  .przycisk.duzy { padding: 13px 22px; font-size: 15px; }
  h2 { font-size: clamp(26px, 7.4vw, 34px); }
}
@media (max-width: 380px) {
  .naglowek .przycisk { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ujawnij { opacity: 1; transform: none; transition: none; }
  .n-fala, .kropka-live, .przewin span::after { animation: none; }
  .n-namiar { stroke-dashoffset: 0; }
  .n-dron, .n-trasa, .n-stozek { opacity: 1; transition: none; }
  .wypelnienie { width: var(--w); transition: none; }
}