:root {
  --brand: #eac212;
  --brand-deep: #c9a410;
  --brand-soft: #f7e89a;
  --ink: #0a0a0a;
  --ink-soft: #18181a;
  --cream: #f4f1ea;
  --cream-2: #ebe6d9;
  --paper: #ffffff;
  --line: rgba(10, 10, 10, 0.10);
  --line-dark: rgba(255, 255, 255, 0.14);
  --mute: #6b665c;

  /* fuel colors — canonical Polish palette */
  --pb95: #5fa464;   /* green */
  --pb98: #c64545;   /* red */
  --on:   #1c1c1c;   /* black */
  --lpg:  #3d73b8;   /* blue */
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: 'Satoshi', -apple-system, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100vw;
}

/* Typography — body-section headings: 48px desktop, h1-min on mobile (also 48px) */
.display {
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.02;
  font-size: 48px;
}
.display-xl {
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.02;
  font-size: 48px;
}
.h2 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.5;
  font-size: 48px;
}
.h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-size: 48px;
}
.eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--mute);
}
.body {
  font-size: 24px;
  line-height: 1.5;
  font-weight: 400;
  color: #36332c;
}
.body-lg {
  font-size: 24px;
  line-height: 1.5;
  font-weight: 400;
  color: #36332c;
}
.light { font-weight: 300; }
.thin  { font-weight: 100; }

/* Layout */
.wrap { max-width: 1440px; margin: 0 auto; padding: 0 32px; }
@media (max-width: 720px) { .wrap { padding: 0 20px; } }

section { padding: 140px 0; position: relative; }
@media (max-width: 900px) { section { padding: 80px 0; } }

.ink-bg { background: var(--ink); color: var(--cream); }
.cream-bg { background: var(--cream); color: var(--ink); }
.brand-bg { background: var(--brand); color: var(--ink); }

/* Noise overlay helper */
.grain::before {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.4 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.4;
  pointer-events: none;
  mix-blend-mode: overlay;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 26px;
  border-radius: 5px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  border: none;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-brand { background: var(--brand); color: var(--ink); }
.btn-brand:hover { background: #f5cc1a; }
.btn-ink { background: var(--ink); color: var(--cream); }
.btn-ink:hover { background: #2a2720; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--ink); }

/* Nav */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.nav.scrolled { border-color: var(--line); background: rgba(255,255,255,0.92); }
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800;
  letter-spacing: -0.015em;
  font-size: 22px;
  color: var(--ink);
  text-decoration: none;
}
.nav-links {
  display: flex; gap: 32px;
  font-weight: 500; font-size: 14px;
}
.nav-links a {
  color: var(--ink); text-decoration: none; opacity: 0.7;
  transition: opacity 0.15s;
}
.nav-links a:hover { opacity: 1; }
@media (max-width: 720px) { .nav-links { display: none; } }

/* Logo mark — original "N drop" combining N letterform + fuel droplet */
.logo-mark {
  width: 32px; height: 32px;
  background: var(--brand);
  border-radius: 5px;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -0.05em;
}
.logo-img {
  width: 32px; height: 32px;
  border-radius: 5px;
  object-fit: contain;
  display: block;
}

/* Email form */
.email-form {
  display: flex;
  gap: 6px;
  padding: 5px;
  background: #fff;
  border: 1px solid var(--ink);
  border-radius: 5px;
  max-width: 560px;
  width: 100%;
}
.email-form input {
  flex: 1;
  border: none;
  outline: none;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 24px;
  font-weight: 400;
  background: transparent;
  color: var(--ink);
  min-width: 0;
}
.email-form input::placeholder { color: #a09b8f; }
.email-form button {
  padding: 12px 22px;
  border: none;
  border-radius: 5px;
  background: var(--brand);
  color: var(--ink);
  font-family: inherit;
  font-weight: 700;
  font-size: 24px;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}
.email-form button:hover { background: var(--brand-deep); color: var(--ink); }
@media (max-width: 480px) {
  .email-form { padding: 4px; gap: 4px; }
  .email-form input { padding: 10px 12px; min-width: 0; width: 0; }
  .email-form button { padding: 10px 12px; font-size: 18px; flex-shrink: 0; }
}

/* Tag pill */
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  border-radius: 5px;
  background: rgba(14,13,10,0.05);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}
.tag .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #4ea862;
  box-shadow: 0 0 0 0 rgba(78,168,98,0.6);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(78,168,98,0.6); }
  50% { box-shadow: 0 0 0 6px rgba(78,168,98,0); }
}

/* Card */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 5px;
}

/* Placeholder image */
.placeholder {
  background: repeating-linear-gradient(
    135deg,
    rgba(14,13,10,0.04) 0px,
    rgba(14,13,10,0.04) 1px,
    transparent 1px,
    transparent 8px
  ), var(--cream-2);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
  padding: 12px;
  text-align: center;
}

/* Utility */
.row { display: flex; }
.col { display: flex; flex-direction: column; }
.gap-6 { gap: 24px; } .gap-8 { gap: 32px; } .gap-12 { gap: 48px; } .gap-16 { gap: 64px; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }
.flex-1 { flex: 1; }
.text-mute { color: var(--mute); }

/* Fade-up on scroll */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(.2,.7,.2,1), transform 0.8s cubic-bezier(.2,.7,.2,1);
}
.fade-up.in { opacity: 1; transform: none; }

/* Marquee */
.marquee {
  display: flex;
  overflow: hidden;
  gap: 20px;
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.marquee-track {
  display: flex; gap: 20px;
  animation: marquee 60s linear infinite;
  flex-shrink: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

/* Responsive grid */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

/* Section divider number */
.sec-num {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mute);
}