/* ============================================================
   PolishStyl — producent materiałów ściernych i polerskich
   Industrial graphite + logo lime. Space Grotesk / IBM Plex Mono.
   ============================================================ */

:root {
  --bg: #0F1110;        /* graphite, warm-green black */
  --bg-2: #161917;      /* card surface on dark */
  --paper: #F3F2ED;     /* light sections */
  --paper-2: #FFFFFF;   /* cards on paper */
  --ink: #14160F;       /* text on light */
  --ink-2: #4C4F46;     /* secondary on light */
  --fg: #EDEDE6;        /* text on dark */
  --fg-2: #A9ACA1;      /* secondary on dark */
  --lime: #9BC61B;      /* logo lime — accent */
  --lime-deep: #7EA412;
  --lime-ink: #1A2202;  /* text on lime */
  --hairline-d: rgba(237, 237, 230, .14);
  --hairline-l: rgba(20, 22, 15, .12);
  --ease: cubic-bezier(.16, 1, .3, 1);
  --radius: 18px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Space Grotesk", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.arr { display: inline-block; margin-left: .45em; transition: transform .35s var(--ease); }
a:hover .arr { transform: translate(3px, -2px); }

/* ---------- typography helpers ---------- */
.label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 18px;
}
.label--lime { color: var(--lime); }
h1, h2, h3 { font-weight: 700; letter-spacing: -.01em; }
h2 { font-size: clamp(30px, 4.6vw, 52px); line-height: 1.04; text-transform: uppercase; }
h2 i, .hero__title i { font-style: normal; color: var(--lime); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 15px 28px; border-radius: 999px;
  transition: transform .35s var(--ease), background .35s, color .35s, border-color .35s;
}
.btn--sm { padding: 10px 20px; font-size: 12px; }
.btn--solid { background: var(--lime); color: var(--lime-ink); }
.btn--solid:hover { background: var(--lime-deep); transform: translateY(-2px); }
.btn--ghost { border: 1px solid var(--hairline-l); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn--ghost.btn--ondark { border-color: var(--hairline-d); color: var(--fg); }
.btn--ghost.btn--ondark:hover { border-color: var(--fg); }

/* ---------- comb motif (from the logo's bristle band) ---------- */
.comb { height: 16px; position: relative; }
.comb::before, .comb::after { content: ""; position: absolute; left: 0; right: 0; height: 7px; }
.comb::before { top: 0; background: repeating-linear-gradient(90deg, var(--lime) 0 9px, transparent 9px 16px); }
.comb::after { bottom: 0; background: repeating-linear-gradient(90deg, transparent 0 5px, var(--lime) 5px 13px, transparent 13px 22px); }
.comb--hero { position: absolute; bottom: 0; left: 0; right: 0; opacity: .9; }
.comb--footer { opacity: .9; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .4s, box-shadow .4s;
}
.nav.is-scrolled {
  background: rgba(15, 17, 16, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--hairline-d);
}
.nav__inner {
  max-width: 1200px; margin: 0 auto; padding: 18px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 34px; height: 22px; background: var(--lime); border-radius: 3px;
  -webkit-mask: repeating-linear-gradient(90deg, #000 0 5px, transparent 5px 9px);
          mask: repeating-linear-gradient(90deg, #000 0 5px, transparent 5px 9px);
}
.brand__word { font-size: 20px; font-weight: 500; letter-spacing: -.01em; }
.brand__word b { font-weight: 700; color: var(--lime); }
.nav__links { display: flex; gap: 30px; }
.nav__links a {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--fg-2); transition: color .3s;
}
.nav__links a:hover { color: var(--lime); }
.nav__cta { display: flex; align-items: center; gap: 14px; }
.nav__burger { display: none; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  padding: 140px 0 90px;
  overflow: hidden;
}
.hero__glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(52% 44% at 78% 22%, rgba(155, 198, 27, .13), transparent 70%),
    radial-gradient(40% 36% at 8% 88%, rgba(155, 198, 27, .07), transparent 70%);
}
.hero__grain {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero__inner {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto; padding: 0 28px;
  display: grid; grid-template-columns: 1.12fr .88fr;
  gap: 56px; align-items: center; width: 100%;
}
.kicker {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--lime); margin-bottom: 26px;
}
.hero__title {
  font-size: clamp(56px, 9.2vw, 118px);
  line-height: .96; text-transform: uppercase; letter-spacing: -.015em;
  margin-bottom: 30px;
}
.hero__title .line { display: block; }
.hero__lead {
  max-width: 52ch; color: var(--fg-2);
  font-size: clamp(15.5px, 1.4vw, 17.5px);
  margin-bottom: 36px;
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
.hero__marks { display: flex; flex-wrap: wrap; gap: 10px 28px; }
.hero__marks li {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--fg-2);
  display: flex; align-items: center; gap: 10px;
}
.hero__marks li::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--lime); flex-shrink: 0;
}

/* hero product card */
.hero__card {
  position: relative;
  background: var(--paper-2); border-radius: var(--radius);
  padding: 34px 30px 20px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .45);
}
.hero__card img { width: 100%; aspect-ratio: 1 / .94; object-fit: contain; }
.hero__tag {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase;
  background: var(--ink); color: var(--fg);
  padding: 7px 12px; border-radius: 999px;
}
.grit {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 18px; padding-top: 14px;
  border-top: 1px dashed var(--hairline-l);
}
.grit span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px; letter-spacing: .04em; color: var(--ink-2);
}
.grit span.on {
  background: var(--lime); color: var(--lime-ink);
  padding: 3px 8px; border-radius: 6px; font-weight: 500;
}

/* ============================================================
   TICKER
   ============================================================ */
.ticker {
  background: var(--lime); color: var(--lime-ink);
  overflow: hidden; padding: 14px 0;
  border-top: 1px solid rgba(0,0,0,.08); border-bottom: 1px solid rgba(0,0,0,.08);
}
.ticker__track {
  display: flex; align-items: center; gap: 34px;
  width: max-content;
  animation: ticker 28s linear infinite;
}
.ticker__track span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13.5px; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  white-space: nowrap;
}
.ticker__track i { font-style: normal; font-size: 8px; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: 110px 0; }
.section--paper { background: var(--paper); color: var(--ink); }
.section--dark { background: var(--bg); color: var(--fg); }
.section__head { margin-bottom: 56px; }
.section--dark .label { color: var(--lime); }

/* ---------- oferta cards ---------- */
.cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.card {
  background: var(--paper-2); border-radius: var(--radius);
  border: 1px solid var(--hairline-l);
  overflow: hidden;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px rgba(20, 22, 15, .13); }
.card__img { aspect-ratio: 4 / 3; overflow: hidden; background: #fff; }
.card__img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .7s var(--ease);
}
.card:hover .card__img img { transform: scale(1.05); }
.card__body { padding: 24px 24px 26px; border-top: 1px solid var(--hairline-l); }
.card__body h3 { font-size: 21px; text-transform: uppercase; margin-bottom: 10px; }
.card__meta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px; line-height: 1.7; letter-spacing: .02em;
  color: var(--ink-2); margin-bottom: 18px;
}
.card__go {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--lime-deep); font-weight: 500;
}

/* ---------- technologia ---------- */
.tech { position: relative; padding: 130px 0; background: var(--bg); overflow: hidden; }
.tech__bg {
  position: absolute; inset: 0;
  background: url("img/bg-struktura.jpg") center / cover no-repeat;
  opacity: .16;
}
.tech::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, var(--bg) 22%, transparent 75%);
}
.tech__inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center;
}
.tech__copy h2 { margin-bottom: 22px; }
.tech__copy p { color: var(--fg-2); max-width: 52ch; margin-bottom: 34px; }
.tech__ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.tech__list { display: grid; gap: 14px; }
.tech__list li {
  display: flex; align-items: center; gap: 18px;
  padding: 18px 22px;
  background: rgba(22, 25, 23, .8);
  border: 1px solid var(--hairline-d); border-radius: 14px;
  font-size: 15.5px; font-weight: 500;
}
.tech__num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px; color: var(--lime); letter-spacing: .06em;
}

/* ---------- o nas ---------- */
.about {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: start;
}
.about__copy h2 { margin-bottom: 24px; }
.about__copy p { color: var(--ink-2); max-width: 54ch; margin-bottom: 18px; }
.about__copy .btn { margin-top: 14px; }
.stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.stat {
  background: var(--paper-2); border: 1px solid var(--hairline-l);
  border-radius: var(--radius); padding: 28px 24px 24px;
}
.stat__num {
  display: block; font-size: clamp(34px, 3.4vw, 46px);
  font-weight: 700; letter-spacing: -.02em; line-height: 1;
  margin-bottom: 10px; color: var(--ink);
}
.stat__cap {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-2);
}

/* ---------- katalogi ---------- */
.katalogi { display: grid; gap: 0; border-top: 1px solid var(--hairline-d); }
.kat {
  display: grid; grid-template-columns: 90px 1fr auto;
  align-items: center; gap: 24px;
  padding: 26px 10px;
  border-bottom: 1px solid var(--hairline-d);
  transition: padding .4s var(--ease), background .4s;
}
.kat:hover { background: rgba(155, 198, 27, .07); padding-left: 22px; }
.kat__num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px; color: var(--lime); letter-spacing: .08em;
}
.kat__name {
  font-size: clamp(19px, 2.4vw, 27px); font-weight: 600;
  text-transform: uppercase; letter-spacing: -.01em;
}
.kat .arr { color: var(--lime); font-size: 20px; }
.shopband {
  margin-top: 56px; padding: 30px 34px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 20px;
  background: var(--bg-2); border: 1px solid var(--hairline-d);
  border-radius: var(--radius);
}
.shopband p { color: var(--fg-2); font-size: 16px; }
.shopband b { color: var(--fg); }

/* ---------- kontakt ---------- */
.contact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ccard {
  background: var(--paper-2); border: 1px solid var(--hairline-l);
  border-radius: var(--radius); padding: 30px 28px;
}
.ccard__label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--lime-deep); margin-bottom: 16px;
}
.ccard__big {
  display: block; font-size: clamp(20px, 2vw, 25px); font-weight: 700;
  letter-spacing: -.01em; margin-bottom: 10px;
  transition: color .3s;
}
.ccard__big:hover { color: var(--lime-deep); }
.ccard__big--mail { font-size: clamp(16px, 1.7vw, 20px); word-break: break-all; }
.ccard__sub { font-size: 14px; color: var(--ink-2); }
.ccard__sub a { text-decoration: underline; text-underline-offset: 3px; }
.ccard__addr { font-size: 14.5px; color: var(--ink-2); margin-bottom: 10px; line-height: 1.6; }
.ccard__addr b { color: var(--ink); }
.socials {
  margin-top: 40px; display: flex; flex-wrap: wrap; gap: 12px;
}
.socials a {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  padding: 11px 20px; border: 1px solid var(--hairline-l); border-radius: 999px;
  transition: background .35s, color .35s, border-color .35s, transform .35s var(--ease);
}
.socials a:hover {
  background: var(--ink); color: var(--paper); border-color: var(--ink);
  transform: translateY(-2px);
}

/* ---------- footer ---------- */
.footer { background: #0B0D0C; }
.footer__inner {
  padding: 60px 28px 46px;
  display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 40px;
  align-items: start;
}
.footer__brand p { color: var(--fg-2); font-size: 14px; margin-top: 14px; }
.footer__links { display: grid; gap: 12px; justify-items: start; }
.footer__links a {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--fg-2); transition: color .3s;
}
.footer__links a:hover { color: var(--lime); }
.footer__meta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px; letter-spacing: .04em; line-height: 2;
  color: var(--fg-2); text-align: right;
}

/* ============================================================
   MOTION
   ============================================================ */
.stagger {
  opacity: 0; transform: translateY(26px);
  animation: rise .9s var(--ease) forwards;
}
.hero__copy .stagger:nth-child(1) { animation-delay: .05s; }
.hero__title .stagger:nth-child(1) { animation-delay: .16s; }
.hero__title .stagger:nth-child(2) { animation-delay: .27s; }
.hero__title .stagger:nth-child(3) { animation-delay: .38s; }
.hero__copy > .hero__lead { animation-delay: .5s; }
.hero__copy > .hero__ctas { animation-delay: .61s; }
.hero__copy > .hero__marks { animation-delay: .72s; }
.hero__visual { animation-delay: .55s; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .stagger, .reveal { opacity: 1; transform: none; animation: none; transition: none; }
  .ticker__track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1020px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { max-width: 560px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .tech__inner, .about { grid-template-columns: 1fr; gap: 44px; }
  .contact { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .footer__meta { text-align: left; }
}
@media (max-width: 760px) {
  .nav__links { display: none; }
  .nav__links.is-open {
    display: flex; flex-direction: column; gap: 4px;
    position: fixed; top: 64px; left: 0; right: 0;
    background: rgba(15, 17, 16, .97);
    padding: 20px 28px 28px;
    border-bottom: 1px solid var(--hairline-d);
  }
  .nav__links.is-open a { padding: 12px 0; font-size: 15px; }
  .nav__burger {
    display: inline-flex; flex-direction: column; gap: 5px;
    background: none; border: 0; cursor: pointer; padding: 8px 2px;
  }
  .nav__burger span { width: 22px; height: 2px; background: var(--fg); transition: transform .3s, opacity .3s; }
  .nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
  .nav__burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }
  .nav__cta .btn { display: none; }
  .hero { padding: 120px 0 70px; }
  .section, .tech { padding: 80px 0; }
  .cards { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .kat { grid-template-columns: 60px 1fr auto; gap: 14px; }
  .grit span:nth-child(2), .grit span:nth-child(5) { display: none; }
}