:root{
  /* Light industrial palette */
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-2: #f3f6fb;
  --text: #0b1220;
  --muted: #4b5563;
  --muted-2: #6b7280;
  --line: rgba(15, 23, 42, .10);
  --shadow: 0 18px 48px rgba(15, 23, 42, .10);

  /* Accents (kept for UI elements) */
  --accent: #1e5bff;
  --accent2:#00b3a4;
  --accent3:#ffb020;

  --radius: 16px;
  --radius2: 22px;
  --container: 1120px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(900px 520px at 20% -10%, rgba(30,91,255,.10), transparent 60%),
    radial-gradient(760px 460px at 100% 10%, rgba(0,179,164,.10), transparent 60%);
  background-repeat: no-repeat;
  line-height: 1.55;
}

a{ color:inherit; text-decoration:none; }
.container{ width:min(var(--container), calc(100% - 48px)); margin-inline:auto; }

.skip{
  position:absolute; left:-999px; top:0;
  padding:10px 12px; border-radius:12px;
  background: var(--surface);
  border:1px solid var(--line);
}
.skip:focus{ left: 16px; top: 16px; z-index: 9999; }

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden;
  clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* Topbar */
.topbar{
  position: sticky; top:0; z-index: 50;
  /* tło zgodne z jasnym UI (bez “plamy” pod logo) */
  background: rgba(255,255,255,.80);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(15, 23, 42, .08);
}
.topbar[data-shadow="1"]{ box-shadow: 0 10px 24px rgba(15, 23, 42, .10); }

.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  /* +50% wysokości “okna” */
  padding: 17px 0;
  gap: 16px;
}

.brand{ display:flex; align-items:center; }
.brand__logo{
  height: 42px; /* +50% */
  width: auto;
  display:block;
}

/* Nav */
.nav{ position: relative; }
.nav__toggle{
  display:none;
  background: transparent;
  border: 1px solid rgba(15, 23, 42, .14);
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--text);
}
.hamburger{
  width: 20px; height: 12px; display:inline-block;
  background:
    linear-gradient(var(--text), var(--text)) 0 0 / 100% 2px no-repeat,
    linear-gradient(var(--text), var(--text)) 0 50% / 100% 2px no-repeat,
    linear-gradient(var(--text), var(--text)) 0 100% / 100% 2px no-repeat;
  opacity:.85;
}
.nav__menu{
  display:flex; align-items:center; gap: 10px;
  list-style:none; padding:0; margin:0;
}
.nav__menu a{
  font-weight: 700;
  font-size: 14px;
  color: rgba(11, 18, 32, .88);
  padding: 10px 10px;
  border-radius: 12px;
}
.nav__menu a:hover{ background: rgba(15, 23, 42, .05); }
.pill{
  border: 1px solid rgba(15, 23, 42, .14);
  background: rgba(15, 23, 42, .04);
}

/* Hero */
.hero{
  position: relative;
  padding: 76px 0 40px;
  overflow:hidden;
}
.hero__bg{
  position:absolute; inset:-2px;
  background:
    linear-gradient(90deg, rgba(15,23,42,.04) 1px, transparent 1px) 0 0/ 32px 32px,
    linear-gradient(180deg, rgba(15,23,42,.03) 1px, transparent 1px) 0 0/ 32px 32px,
    radial-gradient(700px 420px at 20% 15%, rgba(30,91,255,.12), transparent 65%),
    radial-gradient(680px 420px at 80% 30%, rgba(0,179,164,.10), transparent 65%);
  pointer-events:none;
  opacity: .85;
}
.hero__grid{
  position: relative;
  display:grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
}

.eyebrow{
  display:inline-flex;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(11, 18, 32, .70);
  border: 1px solid rgba(15, 23, 42, .12);
  background: rgba(255,255,255,.70);
  padding: 8px 10px;
  border-radius: 999px;
}

h1{
  margin: 14px 0 12px;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}
.lead{
  margin: 0 0 18px;
  color: rgba(11, 18, 32, .78);
  font-size: 16px;
  max-width: 62ch;
}

.hero__cta{ display:flex; gap: 12px; flex-wrap: wrap; margin: 12px 0 16px; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, .14);
  background: rgba(255,255,255,.78);
  font-weight: 800;
  font-size: 14px;
}
.btn--primary{
  background: linear-gradient(135deg, rgba(30,91,255,.98), rgba(0,179,164,.92));
  border-color: rgba(15, 23, 42, .10);
  color: #fff;
  box-shadow: 0 14px 30px rgba(15, 23, 42, .14);
}
.btn--ghost:hover{ background: rgba(15, 23, 42, .05); }
.btn--primary:hover{ filter: brightness(1.02); }

.trust{ margin-top: 14px; }
.trust__label{ display:block; font-size: 12px; color: rgba(11,18,32,.62); margin-bottom: 10px; }
.trust__row{ display:flex; gap:10px; flex-wrap:wrap; }

.chip{
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, .12);
  background: rgba(255,255,255,.78);
  color: rgba(11, 18, 32, .78);
}

/* Sections */
.section{ padding: 56px 0; }
.section--alt{ background: var(--surface-2); }

.section__head{ margin-bottom: 18px; }
.section__head h2{
  margin: 0 0 8px;
  font-size: clamp(24px, 2.4vw, 34px);
  letter-spacing: -.03em;
}
.muted{ color: rgba(11,18,32,.68); }
.section__cta{ margin-top: 16px; display:flex; gap:12px; flex-wrap:wrap; }

.grid{ display:grid; gap: 14px; }
.grid--3{ grid-template-columns: repeat(3, minmax(0,1fr)); }

.tile{
  border-radius: var(--radius);
  border: 1px solid rgba(15, 23, 42, .10);
  background: rgba(255,255,255,.86);
  padding: 18px;
  box-shadow: 0 10px 26px rgba(15,23,42,.06);
}
.tile h3{ margin: 0 0 8px; letter-spacing: -.02em; }
.tile p{ margin: 0; color: rgba(11,18,32,.74); }

/* About */
.about-card{
  border-radius: var(--radius2);
  border: 1px solid rgba(15, 23, 42, .10);
  background: rgba(255,255,255,.86);
  padding: 18px;
  box-shadow: 0 10px 26px rgba(15,23,42,.06);
}
.about-card h3{ margin: 0 0 10px; letter-spacing: -.02em; }
.about-card p{ margin: 0; color: rgba(11,18,32,.74); }

/* Checks */
.check{ list-style:none; padding:0; margin:0; }
.check li{
  position: relative;
  padding-left: 22px;
  margin: 8px 0;
  color: rgba(11,18,32,.74);
}
.check li::before{
  content:"✓";
  position:absolute; left:0; top:0;
  color: var(--accent2);
  font-weight: 900;
}

/* Timeline */
.timeline{
  list-style:none;
  padding:0; margin: 10px 0 0;
  border-left: 1px solid rgba(15, 23, 42, .10);
}
.timeline__item{
  display:grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  padding: 14px 0 14px 16px;
  position: relative;
}
.timeline__item::before{
  content:"";
  position:absolute;
  left:-6px; top: 22px;
  width: 11px; height: 11px;
  border-radius: 99px;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(30,91,255,.14);
}
.timeline__date{
  font-weight: 900;
  color: rgba(11,18,32,.78);
  font-size: 13px;
}
.timeline__content h3{ margin: 0 0 6px; letter-spacing: -.02em; }
.timeline__content p{ margin: 0; }

/* Contact */
.contact{
  display:flex;
  justify-content:center;
}

.contact__side{
  width: 100%;
  max-width: 760px;
}
.form{
  border-radius: var(--radius2);
  border: 1px solid rgba(15, 23, 42, .10);
  background: rgba(255,255,255,.88);
  padding: 18px;
  box-shadow: 0 12px 30px rgba(15,23,42,.07);
}
.form__row{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
}
label span{
  display:block;
  font-size: 12px;
  color: rgba(11,18,32,.72);
  margin: 0 0 6px;
  font-weight: 700;
}
input, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, .12);
  background: rgba(255,255,255,.98);
  color: var(--text);
  outline: none;
}
input:focus, textarea:focus{
  border-color: rgba(0,179,164,.55);
  box-shadow: 0 0 0 4px rgba(0,179,164,.16);
}
textarea{ resize: vertical; min-height: 120px; }

.form__actions{
  display:flex; align-items:center; gap: 12px; flex-wrap: wrap;
  margin-top: 12px;
}
.form__hint{ margin: 0; font-size: 12px; }
.form__status{ margin: 10px 0 0; min-height: 1.2em; font-size: 13px; }

.contact__side .callout{
  border-radius: var(--radius2);
  border: 1px solid rgba(15, 23, 42, .10);
  background: rgba(255,255,255,.88);
  padding: 18px;
  box-shadow: 0 12px 30px rgba(15,23,42,.07);
}
.callout h3{ margin:0 0 8px; letter-spacing: -.02em; }
.divider{ height:1px; background: rgba(15, 23, 42, .10); margin: 14px 0; }

/* Footer */
.footer{
  padding: 22px 0 34px;
  border-top: 1px solid rgba(15, 23, 42, .08);
  background: rgba(255,255,255,.72);
}
.footer__inner{
  display:flex; align-items:center; justify-content:space-between;
  gap: 16px;
}
.footer__left{
  display:flex;
  align-items:center;
  gap: 12px;
}
.footer__logo{
  height: 30px; /* proporcjonalnie, żeby nie było “mikre” w stopce */
  width: auto;
  display:block;
}
.footer__links{ display:flex; gap: 14px; font-size: 13px; color: rgba(11,18,32,.72); }
.footer__links a:hover{ text-decoration: underline; }

/* Reveal */
.reveal{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .55s ease, transform .55s ease;
  will-change: opacity, transform;
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 980px){
  .grid--3{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .nav__toggle{ display:inline-flex; }
  .nav__menu{
    position: absolute;
    right: 0;
    top: 58px; /* dopasowane do mniejszego topbara */
    width: min(320px, calc(100vw - 24px));
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, .12);
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    transform: translateY(-6px);
    opacity: 0;
    pointer-events: none;
  }
  .nav__menu.is-open{
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav__menu a{ padding: 12px 12px; }
  .form__row{ grid-template-columns: 1fr; }
  .timeline__item{ grid-template-columns: 1fr; }
  .footer__inner{ flex-direction: column; align-items: flex-start; }
}