:root {
  --bg:        #0a0c10;
  --bg-soft:   #10141b;
  --line:      #1e2530;
  --text:      #e6e9ef;
  --text-dim:  #8a94a6;
  --accent:    #4ade80;      /* zielony terminalowy */
  --accent-dim:#1c3a2a;
  --radius:    2px;
  --wrap:      1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* Subtelna siatka w tle — technicznie, ale wyciszona */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.15;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  z-index: 0;
  pointer-events: none;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px;
}

main, .site-footer { position: relative; z-index: 1; }

.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin: 0 0 16px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 96px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.12em;
}
.brand-name {
  font-family: "Orbitron", "Space Grotesk", sans-serif;
  font-weight: 700;
}
.header-inner .brand-name {
  font-size: 3.4rem;
  line-height: 1;
}
.brand-mark { color: var(--accent); }
.nav a {
  color: var(--text-dim);
  text-decoration: none;
  margin-left: 28px;
  font-size: 15px;
  transition: color 0.15s;
}
.nav a:hover { color: var(--text); }

/* Hero */
.hero { padding: 120px 0 96px; }
.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
}
.hero-sub {
  color: var(--text-dim);
  max-width: 560px;
  font-size: 18px;
  margin: 0 0 36px;
}
.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #06120b;
  font-weight: 600;
  text-decoration: none;
  padding: 13px 24px;
  border-radius: var(--radius);
  transition: transform 0.15s, box-shadow 0.15s;
}
.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 30px -10px var(--accent);
}

/* Sekcje */
section { border-top: 1px solid var(--line); }
.hero { border-top: none; }

.about { padding: 88px 0; }
.about-grid, .contact-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 56px;
}
.about h2, .contact h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0;
  letter-spacing: -0.01em;
}
.about-body p { margin-top: 0; color: var(--text-dim); }

.capabilities {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 24px;
}
.capabilities li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  color: var(--text);
}
.dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Kontakt */
.contact { padding: 88px 0; }
.contact-note { color: var(--text-dim); margin-top: 12px; }

.contact-form { display: grid; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--text-dim);
}
.field input, .field textarea {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 16px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.field textarea { resize: vertical; }

.submit {
  justify-self: start;
  background: var(--accent);
  color: #06120b;
  border: none;
  font-family: inherit;
  font-weight: 600;
  font-size: 16px;
  padding: 13px 28px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 30px -10px var(--accent);
}

/* Honeypot — ukryte pole */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}

/* Alerty */
.alert {
  padding: 14px 16px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 15px;
  border: 1px solid;
}
.alert-ok  { background: var(--accent-dim); border-color: var(--accent); color: var(--text); }
.alert-err { background: #3a1c1c; border-color: #f87171; color: #fecaca; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  margin-top: 40px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px 40px;
  justify-content: space-between;
}
.footer-brand { font-weight: 700; letter-spacing: 0.12em; }
.footer-brand .brand-mark { color: var(--accent); }
.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--text-dim);
}
.footer-copy {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--text-dim);
}

/* Responsywność */
@media (max-width: 760px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .capabilities { grid-template-columns: 1fr; }
  .hero { padding: 80px 0 64px; }
  .nav a { margin-left: 18px; }
  .wrap { padding: 0 20px; }
}

/* Dostępność: redukcja ruchu */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; transition: none !important; }
}

/* Widoczny focus dla nawigacji klawiaturą */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}