/* ===================================================================
   3Concept S.A. — wspólny arkusz stylów dla całej witryny
   Używany przez: index.html, realizacje.html, spawalnia.html, kontakt.html
   =================================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-bg:       #0D0A0B;
  --c-bg2:      #130E10;
  --c-bg3:      #1A1214;
  --c-surface:  #1F1518;
  --c-border:   rgba(255,255,255,0.07);
  --c-border2:  rgba(255,255,255,0.12);
  --c-text:     #E8EAF0;
  --c-muted:    #7E8499;
  --c-dim:      #4A5068;
  --c-accent:   #dd1d48;
  --c-accent2:  #b01538;
  --c-gold:     #F5A623;
  --c-line:     rgba(221,29,72,0.25);
  --font-head:  'Space Grotesk', sans-serif;
  --font-body:  'Inter', sans-serif;
  --r:          6px;
  --r-lg:       12px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5vw;
  height: 68px;
  background: rgba(13,10,11,0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
}

.nav-logo-img { display: flex; align-items: center; }
.nav-logo-img svg { height: 52px; width: auto; }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--c-text); }

.nav-cta {
  background: var(--c-accent);
  color: #fff !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--r);
  font-size: 0.875rem !important;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--c-accent2) !important; color: #fff !important; }

/* ── HERO (strona główna) ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 68px 5vw 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: url('images/hero.jpg');
  background-size: cover;
  background-position: center 40%;
  opacity: 0.18;
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(221,29,72,0.10) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 820px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1.5rem;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--c-accent);
}

.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 1.5rem;
}
.hero h1 em { font-style: normal; color: var(--c-accent); }

.hero-sub {
  font-size: 1.125rem;
  color: var(--c-muted);
  max-width: 580px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--c-accent);
  color: #fff;
  padding: 0.85rem 2rem;
  border-radius: var(--r);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--c-accent2); transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--c-border2);
  color: var(--c-text);
  padding: 0.85rem 2rem;
  border-radius: var(--r);
  font-weight: 500;
  font-size: 0.95rem;
  transition: border-color 0.2s, background 0.2s;
}
.btn-secondary:hover { border-color: var(--c-accent); background: rgba(221,29,72,0.06); }

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--c-border);
}
.stat-num {
  font-family: var(--font-head);
  font-size: 2.25rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
}
.stat-num span.unit { color: var(--c-accent); }
.stat-label {
  font-size: 0.82rem;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.2rem;
}

/* ── PAGE HERO (podstrony: Realizacje / Spawalnia / Kontakt) ── */
.page-hero {
  min-height: 40vh;
  display: flex;
  align-items: center;
  padding: 120px 5vw 80px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--c-border);
}
.page-hero-inner { position: relative; max-width: 820px; }
.page-hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
  margin: 1rem 0 1.25rem;
}
.page-hero-title em { font-style: normal; color: var(--c-accent); }
.page-hero-sub { font-size: 1.1rem; color: var(--c-muted); max-width: 560px; line-height: 1.75; }

/* Wzór tła używany w nagłówkach podstron (ukośne linie) — osobna klasa,
   żeby nie kolidować z fotograficznym tłem .hero-grid na stronie głównej. */
.page-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 28px,
      rgba(255,255,255,0.028) 28px,
      rgba(255,255,255,0.028) 29px
    ),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 28px,
      rgba(255,255,255,0.018) 28px,
      rgba(255,255,255,0.018) 29px
    );
  mask-image: radial-gradient(ellipse 90% 70% at 40% 50%, black 30%, transparent 100%);
}

/* Tło nagłówka strony Spawalni — zdjęcie zamiast wzoru linii */
.spaw-grid {
  position: absolute;
  inset: 0;
  background-image: url('images/spawalnia.png');
  background-size: cover;
  background-position: center 40%;
  opacity: 0.25;
}

/* ── SECTION WRAPPER ── */
section { padding: 100px 5vw; }

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: 1rem;
}

.section-body {
  font-size: 1.05rem;
  color: var(--c-muted);
  max-width: 600px;
  line-height: 1.8;
}

/* ── MISJA / WIZJA / WARTOŚĆ ── */
.values-section {
  background: var(--c-bg2);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: 90px 5vw;
}
.values-grid {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.value-col {
  padding: 0 2.5rem;
  text-align: center;
  border-left: 1px solid var(--c-border);
}
.value-col:first-child { border-left: none; }
.value-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.value-icon svg { width: 38px; height: 38px; stroke: var(--c-accent); }
.value-title {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}
.value-desc { font-size: 0.92rem; color: var(--c-muted); line-height: 1.7; }
.value-desc strong { color: var(--c-text); font-weight: 600; }

/* ── SERVICES / OFERTA ── */
.services-bg {
  background: var(--c-bg2);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.services-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  margin-bottom: 4rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.service-card {
  background: var(--c-bg2);
  padding: 2.5rem;
  transition: background 0.25s;
}
.service-card:hover { background: var(--c-bg3); }

.service-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(221,29,72,0.1);
  border-radius: var(--r);
  margin-bottom: 1.5rem;
}
.service-icon svg { width: 22px; height: 22px; stroke: var(--c-accent); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

.service-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--c-muted);
  line-height: 1.75;
}

/* ── REALIZACJE (oś czasu) ── */
.timeline {
  position: relative;
  padding-left: 2rem;
  border-left: 1px solid var(--c-border);
}

.timeline-year { margin-bottom: 2.5rem; }

.year-label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1rem;
  position: relative;
}
.year-label::before {
  content: '';
  position: absolute;
  left: -2.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(221,29,72,0.2);
}

.projects-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
  list-style: none;
}

.project-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  color: var(--c-muted);
  transition: border-color 0.2s, color 0.2s;
}
.project-item:hover { border-color: var(--c-accent); color: var(--c-text); }

.project-item strong {
  display: block;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 0.2rem;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.realizacje-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-bottom: 4rem;
}

/* ── GALERIA REALIZACJI (slider na stronie głównej) ──
   Kadr celowo węższy niż pełna szerokość treści (max-width + wyśrodkowanie) —
   elegancki, oprawiony format zamiast rozciągania na całą szerokość sekcji. */
.gallery-frame { max-width: 920px; margin: 0 auto; }
.gallery-viewport {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--c-border);
  background: var(--c-surface);
}
.gallery-track {
  display: flex;
  height: 100%;
  transition: transform 0.65s cubic-bezier(.65,0,.35,1);
}
.gallery-slide { flex: 0 0 100%; height: 100%; }
.gallery-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,10,11,0) 55%, rgba(13,10,11,0.5) 100%);
  pointer-events: none;
}
.gallery-counter {
  position: absolute;
  right: 0.9rem;
  bottom: 0.9rem;
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 600;
  color: #fff;
  background: rgba(13,10,11,0.55);
  backdrop-filter: blur(6px);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  letter-spacing: 0.02em;
  border: 1px solid rgba(255,255,255,0.12);
  z-index: 2;
}
.gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13,10,11,0.5);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  z-index: 2;
}
.gallery-arrow:hover { background: var(--c-accent); border-color: var(--c-accent); }
.gallery-arrow:active { transform: translateY(-50%) scale(0.92); }
.gallery-arrow svg { width: 17px; height: 17px; }
.gallery-prev { left: 0.9rem; }
.gallery-next { right: 0.9rem; }

.gallery-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.5rem;
}
.gallery-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-border2);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background 0.2s, width 0.25s;
}
.gallery-dot:hover { background: var(--c-muted); }
.gallery-dot.active { background: var(--c-accent); width: 20px; border-radius: 4px; }

/* ── O NAS ── */
.about-bg {
  background: var(--c-bg2);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-features {
  list-style: none;
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.about-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--c-muted);
}
.check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(221,29,72,0.1);
  border-radius: 50%;
  margin-top: 2px;
}
.check svg { width: 10px; height: 10px; stroke: var(--c-accent); fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.about-card { background: var(--c-surface); padding: 1.75rem; }
.about-card-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
}
.about-card-num span.unit { color: var(--c-accent); }
.about-card-desc { font-size: 0.85rem; color: var(--c-muted); }

/* ── KARIERA ── */
.career-box {
  max-width: 900px;
  margin: 0 auto;
  background: var(--c-surface);
  border: 1px solid var(--c-border2);
  border-radius: var(--r-lg);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}
.career-box h2 {
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
}
.career-box p { color: var(--c-muted); font-size: 0.95rem; }

/* ── KONTAKT ── */
.contact-bg { background: var(--c-bg2); border-top: 1px solid var(--c-border); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; }

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}
.contact-row { display: flex; align-items: flex-start; gap: 1rem; }
.contact-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(221,29,72,0.1);
  border-radius: var(--r);
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-icon svg { width: 18px; height: 18px; stroke: var(--c-accent); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.contact-row-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-dim); margin-bottom: 0.2rem; }
.contact-row-val { font-size: 0.95rem; color: var(--c-text); }
.contact-row-val a { text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--c-border2); transition: color 0.2s, text-decoration-color 0.2s; }
.contact-row-val a:hover { color: var(--c-accent); text-decoration-color: var(--c-accent); }

.map-wrapper {
  width: 100%;
  height: 360px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--c-border2);
}

.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

input, textarea {
  width: 100%;
  background: var(--c-surface);
  border: 1px solid var(--c-border2);
  border-radius: var(--r);
  padding: 0.75rem 1rem;
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}
input::placeholder, textarea::placeholder { color: var(--c-dim); }
input:focus, textarea:focus { border-color: var(--c-accent); }
textarea { resize: vertical; min-height: 120px; }

/* ── FOOTER ── */
footer {
  padding: 3rem 5vw;
  border-top: 1px solid var(--c-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-logo-img svg { height: 88px; width: auto; }
footer p { font-size: 0.82rem; color: var(--c-dim); }
.footer-socials { display: flex; gap: 0.75rem; }
.footer-socials a {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-border2);
  border-radius: var(--r);
  color: var(--c-muted);
  font-size: 0.8rem;
  transition: border-color 0.2s, color 0.2s;
}
.footer-socials a:hover { border-color: var(--c-accent); color: var(--c-accent); }

/* ── MOBILE (przełamania siatek) ── */
@media (max-width: 768px) {
  .services-header,
  .realizacje-header,
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
  .career-box { grid-template-columns: 1fr; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .about-cards { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .value-col { border-left: none; padding: 0; }
  .value-col:not(:first-child) { border-top: 1px solid var(--c-border); padding-top: 2.5rem; }
}

/* ── OFERTA (akordeon — zapasowy komponent, obecnie nieużywany w HTML) ── */
.offer-categories { display: flex; flex-direction: column; gap: 1px; background: var(--c-border); border: 1px solid var(--c-border); border-radius: var(--r-lg); overflow: hidden; }

.offer-cat { background: var(--c-bg2); cursor: pointer; user-select: none; transition: background 0.2s; }
.offer-cat:hover { background: var(--c-bg3); }
.offer-cat.open { background: var(--c-surface); }

.offer-cat-header { display: flex; align-items: center; justify-content: space-between; padding: 1.75rem 2rem; }
.offer-cat-left { display: flex; align-items: center; gap: 1.25rem; }

.offer-cat-icon { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; background: rgba(221,29,72,0.1); border-radius: var(--r); flex-shrink: 0; }
.offer-cat-icon svg { width: 22px; height: 22px; stroke: var(--c-accent); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

.offer-cat-num { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; color: var(--c-accent); margin-bottom: 0.2rem; }
.offer-cat-title { font-family: var(--font-head); font-size: 1.05rem; font-weight: 600; color: #fff; letter-spacing: -0.01em; }

.offer-cat-arrow svg { width: 20px; height: 20px; color: var(--c-muted); transition: transform 0.3s; }
.offer-cat.open .offer-cat-arrow svg { transform: rotate(180deg); color: var(--c-accent); }

.offer-cat-body { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding: 0 2rem; }
.offer-cat.open .offer-cat-body { max-height: 600px; padding: 0 2rem 2rem; }

.offer-list { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; margin-top: 0.25rem; }
.offer-list li { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.85rem; color: var(--c-muted); line-height: 1.5; }
.offer-list li::before { content: '—'; color: var(--c-accent); flex-shrink: 0; font-weight: 600; }

.offer-list-group { margin-bottom: 1.25rem; }
.offer-list-group:last-child { margin-bottom: 0; }
.offer-list-label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--c-dim); margin: 1.1rem 0 0.6rem; }
.offer-list-indent { padding-left: 0.5rem; }

/* ── PRZEŁĄCZNIK JĘZYKA ── */
.lang-switcher { display: flex; align-items: center; gap: 0.25rem; margin-left: 1.5rem; }
.lang-btn {
  background: none;
  border: 1px solid var(--c-border2);
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.6rem;
  border-radius: var(--r);
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
}
.lang-btn:hover { color: var(--c-text); border-color: var(--c-accent); }
.lang-btn.active { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }

/* ── CTA BANNER ── */
.cta-section { background: var(--c-bg2); border-top: 1px solid var(--c-border); padding: 100px 5vw; }
.cta-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
}
.cta-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: #fff;
  margin: 0.5rem 0 1rem;
}
.cta-sub { font-size: 1rem; color: var(--c-muted); max-width: 480px; }
.cta-sub a { color: var(--c-accent); text-decoration: underline; text-underline-offset: 2px; }
.cta-sub a:hover { color: var(--c-accent2); }
.cta-actions { display: flex; flex-direction: column; gap: 0.75rem; align-items: flex-start; white-space: nowrap; }
@media (max-width: 768px) {
  .cta-inner { grid-template-columns: 1fr; gap: 2rem; text-align: left; }
  .cta-actions { width: 100%; }
  .cta-actions a { justify-content: center; }
}

/* aktywny link nawigacji */
.nav-active { color: var(--c-text) !important; }

/* ── HAMBURGER (tylko mobile) ── */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--c-border2);
  border-radius: var(--r);
  cursor: pointer;
  flex-shrink: 0;
}
.nav-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--c-text);
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MOBILNY PANEL ROZWIJANY ── */
.nav-mobile-panel {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: rgba(13,10,11,0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
  z-index: 99;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.nav-mobile-panel.open { max-height: 480px; }

.nav-mobile-links {
  display: flex;
  flex-direction: column;
  list-style: none;
  padding: 1rem 5vw 1.5rem;
}
.nav-mobile-links li { border-bottom: 1px solid var(--c-border); }
.nav-mobile-links li:last-child { border-bottom: none; }
.nav-mobile-links a {
  display: block;
  padding: 1rem 0.25rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--c-text);
  letter-spacing: 0.01em;
}
.nav-mobile-links a.nav-cta-mobile { color: var(--c-accent) !important; font-weight: 600; }

.nav-mobile-lang { display: flex; align-items: center; gap: 0.5rem; padding: 0.25rem 5vw 1.25rem; }
.nav-mobile-lang .lang-btn { flex: 1; text-align: center; padding: 0.6rem 0.6rem; font-size: 0.85rem; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .lang-switcher { display: none; }
  .nav-burger { display: flex; }
  .nav-mobile-panel { display: block; }
}

/* ── MOBILE POLISH ──
   Jeden wspólny blok dla wszystkich podstron: każda reguła dotyczy
   tylko elementów, które faktycznie występują na danej stronie. */
@media (max-width: 768px) {
  nav { padding: 0 4vw; }
  .nav-logo-img svg { height: 36px; }

  .hero { padding: 84px 5vw 60px; min-height: auto; }
  .hero h1 { font-size: clamp(2rem, 9vw, 2.8rem); }
  .hero-sub { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions a { justify-content: center; }
  .hero-stats { gap: 1.25rem 1.75rem; margin-top: 3rem; padding-top: 2rem; }
  .stat-num { font-size: 1.8rem; }

  .page-hero { padding: 84px 5vw 50px; min-height: auto; }
  .page-hero-title { font-size: clamp(2rem, 9vw, 3rem); }
  .page-hero-sub { font-size: 1rem; }

  section, .values-section, .cta-section { padding: 64px 5vw; }

  .services-header { margin-bottom: 2.5rem; }
  .service-card { padding: 1.75rem; }

  .realizacje-header { margin-bottom: 2.5rem; }
  .timeline { padding-left: 1.25rem; }
  .year-label::before { left: -1.75rem; }
  .projects-list { grid-template-columns: 1fr; }

  .gallery-frame { max-width: none; }
  .gallery-viewport { aspect-ratio: 4 / 3; border-radius: var(--r); }
  .gallery-arrow { width: 34px; height: 34px; }
  .gallery-arrow svg { width: 15px; height: 15px; }
  .gallery-prev { left: 0.5rem; }
  .gallery-next { right: 0.5rem; }
  .gallery-counter { right: 0.6rem; bottom: 0.6rem; font-size: 0.65rem; padding: 0.22rem 0.55rem; }

  .career-box { padding: 2rem 1.5rem; }
  .career-box h2 { font-size: 1.4rem; }

  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .map-wrapper { height: 260px; }
  .contact-row { align-items: center; }

  .welding-intro { grid-template-columns: 1fr; gap: 2.5rem; }
  .welding-offer-grid { grid-template-columns: 1fr; }
  .welding-projects-box { padding: 1.75rem; }

  footer { flex-direction: column; text-align: center; gap: 1rem; padding: 2.5rem 5vw; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; display: grid; gap: 1.5rem; }
}

/* ===================================================================
   SPAWALNIA — style specyficzne dla strony spawalnia.html
   =================================================================== */
.welding-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.welding-intro-text p { font-size: 1rem; color: var(--c-muted); line-height: 1.85; margin-bottom: 1.25rem; }
.welding-values { display: grid; gap: 1rem; }
.welding-value-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 1.5rem 1.75rem;
  transition: border-color 0.2s;
}
.welding-value-card:hover { border-color: var(--c-accent); }
.welding-value-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-accent);
  margin-bottom: 0.4rem;
}
.welding-value-card p { font-size: 0.88rem; color: var(--c-muted); line-height: 1.7; }

.welding-offer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-top: 3rem;
}
.welding-offer-card { background: var(--c-bg2); padding: 2.25rem 2rem; transition: background 0.2s; }
.welding-offer-card:hover { background: var(--c-bg3); }
.welding-offer-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 1rem;
}

.methods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}
.method-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  transition: border-color 0.2s, background 0.2s;
}
.method-card:hover { border-color: var(--c-accent); background: var(--c-bg3); }
.method-code {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}
.method-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--c-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}
.method-desc { font-size: 0.875rem; color: var(--c-muted); line-height: 1.65; }

.welding-projects-box {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 2.5rem 3rem;
  margin-top: 3rem;
}
.welding-projects-box p { font-size: 0.975rem; color: var(--c-muted); line-height: 1.8; margin-bottom: 1.5rem; }
.welding-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.welding-tag {
  background: rgba(221,29,72,0.08);
  border: 1px solid rgba(221,29,72,0.2);
  border-radius: var(--r);
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--c-text);
  transition: background 0.2s, border-color 0.2s;
}
.welding-tag:hover { background: rgba(221,29,72,0.15); border-color: var(--c-accent); }

/* ── SCROLL REVEAL ──
   Elementy z klasą .reveal pojawiają się (fade + przesunięcie w górę) w momencie
   wjechania w pole widzenia. .reveal-stagger dodatkowo rozkłada w czasie swoje
   bezpośrednie dzieci (np. karty w siatce), dając efekt kaskady. */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(.25,.1,.25,1), transform 0.7s cubic-bezier(.25,.1,.25,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(.25,.1,.25,1), transform 0.7s cubic-bezier(.25,.1,.25,1);
}
.reveal-stagger.is-visible > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.32s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.4s; }
.reveal-stagger.is-visible > *:nth-child(n+7) { transition-delay: 0.46s; }

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-stagger > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}