/* ============================================================
   Zadaszenia Roman Szołtysik — design tokens
   Palette: graphite / steel / corten rust / stone
   Type: Archivo Expanded (display) + Public Sans (body)
   ============================================================ */

:root{
  --graphite: #1D2227;
  --graphite-soft: #2A3138;
  --steel: #4C6B78;
  --steel-light: #7C97A1;
  --rust: #B1592C;
  --stone: #EEEBE4;
  --stone-dim: #E2DED4;
  --ink: #23272B;
  --paper: #F5F3EE;

  --font-display: "Archivo Expanded", sans-serif;
  --font-body: "Public Sans", sans-serif;

  --max-w: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }

a{ color: inherit; }

.wrap{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  margin: 0 0 .4em 0;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.4rem, 5.5vw, 4.4rem); }
h2{ font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3{ font-size: 1.25rem; }

p{ margin: 0 0 1em 0; max-width: 62ch; }

/* ---------- nav ---------- */
.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  background: var(--graphite);
  border-bottom: 3px solid var(--rust);
}
.nav{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: var(--max-w);
  margin: 0 auto;
  gap: 20px;
}
.brand{
  font-family: var(--font-display);
  color: var(--paper);
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration:none;
  white-space: nowrap;
}
.brand span{ color: var(--steel-light); }

.nav-links{
  display:flex;
  gap: 28px;
  list-style:none;
  margin:0; padding:0;
}
.nav-links a{
  color: var(--stone);
  text-decoration:none;
  font-size: .97rem;
  font-weight: 600;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: border-color .15s ease, color .15s ease;
}
.nav-links a:hover, .nav-links a.active{
  border-color: var(--rust);
  color: #fff;
}
.nav-phone{
  color: var(--paper);
  font-weight: 700;
  text-decoration:none;
  font-size: .97rem;
  white-space:nowrap;
  border: 1.5px solid var(--steel);
  padding: 8px 16px;
  border-radius: 2px;
}
.nav-phone:hover{ border-color: var(--rust); }

.nav-toggle{ display:none; }

/* ---------- buttons ---------- */
.btn{
  display:inline-block;
  padding: 14px 26px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .98rem;
  text-decoration: none;
  border-radius: 2px;
  border: 2px solid transparent;
}
.btn-primary{
  background: var(--rust);
  color: #fff;
}
.btn-primary:hover{ background:#984a24; }
.btn-ghost{
  border-color: var(--graphite);
  color: var(--graphite);
  background: transparent;
}
.btn-ghost:hover{ background: var(--graphite); color:#fff; }
.btn-ghost-light{
  border-color: rgba(245,243,238,.55);
  color: var(--paper);
}
.btn-ghost-light:hover{ background: rgba(245,243,238,.1); border-color:#fff; }

/* ---------- hero ---------- */
.hero{
  background: var(--graphite);
  color: var(--paper);
  position: relative;
  overflow: hidden;
  padding: 70px 0 0 0;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 20px;
  align-items: end;
}
.hero-copy{ padding-bottom: 56px; }
.hero-eyebrow{
  color: var(--steel-light);
  font-weight: 700;
  margin-bottom: 14px;
  font-size: 1.02rem;
}
.hero p.lead{
  color: var(--stone-dim);
  font-size: 1.12rem;
  max-width: 46ch;
}
.hero-cta{ display:flex; gap:14px; margin-top: 26px; flex-wrap: wrap; }
.hero-art{ align-self: stretch; display:flex; align-items:flex-end; position:relative; overflow:hidden; }
.hero-art svg{ width:100%; height:auto; display:block; }
.hero-art img{
  width:100%; height:100%; object-fit:cover;
  filter: saturate(.85) contrast(1.05);
}
.hero-art::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(100deg, rgba(29,34,39,.75) 0%, rgba(29,34,39,.15) 45%, rgba(29,34,39,0) 70%);
  pointer-events:none;
}

/* ---------- stat beam ---------- */
.beam{
  background: var(--stone-dim);
  border-top: 1px solid #d7d2c4;
  border-bottom: 1px solid #d7d2c4;
}
.beam-row{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
}
.beam-item{
  padding: 34px 28px;
  border-left: 1px solid #d7d2c4;
  text-align:left;
}
.beam-item:first-child{ border-left: none; }
.beam-num{
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--rust);
  display:block;
  line-height:1;
  margin-bottom: 6px;
}
.beam-label{ color:#555046; font-size:.95rem; max-width: 24ch; }

/* ---------- sections ---------- */
section{ padding: 78px 0; }
.section-tight{ padding: 56px 0; }
.section-head{ max-width: 60ch; margin-bottom: 44px; }
.section-head p{ color:#4b4f53; }

.on-dark{ background: var(--graphite); color: var(--paper); }
.on-dark p{ color: var(--stone-dim); }
.on-dark .section-head p{ color: var(--stone-dim); }
.on-stone{ background: var(--stone); }

/* offer blocks — asymmetric, not identical cards */
.offer-list{ display:flex; flex-direction:column; }
.offer-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items:center;
  padding: 46px 0;
  border-top: 1px solid #ddd8cb;
}
.offer-row:last-child{ border-bottom: 1px solid #ddd8cb; }
.offer-row.reverse{ direction: rtl; }
.offer-row.reverse > *{ direction: ltr; }
.offer-index{
  color: var(--steel);
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 10px;
  display:block;
}
.offer-visual{
  background: var(--stone-dim);
  border-radius: 2px;
  overflow:hidden;
  aspect-ratio: 4/3;
}
.offer-visual svg, .offer-visual img{ width:100%; height:100%; object-fit: cover; display:block; }
.offer-meta{
  display:flex;
  gap: 22px;
  margin-top: 18px;
  flex-wrap:wrap;
}
.offer-meta div{ font-size:.9rem; color:#555046; }
.offer-meta b{ display:block; color: var(--ink); font-size:1rem; }

/* gallery */
.gallery{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
.gallery figure{
  margin:0;
  background: var(--graphite-soft);
  aspect-ratio: 4/3;
  position: relative;
  overflow:hidden;
}
.gallery figure svg, .gallery figure img{ width:100%; height:100%; object-fit: cover; display:block; }
.gallery figcaption{
  position:absolute;
  left:0; right:0; bottom:0;
  padding: 12px 14px;
  background: linear-gradient(0deg, rgba(0,0,0,.62), transparent);
  color:#fff;
  font-size: .85rem;
  font-weight:600;
}
.placeholder-note{
  margin-top: 18px;
  font-size: .88rem;
  color: var(--steel);
  border-left: 3px solid var(--steel);
  padding: 8px 14px;
  background: var(--stone-dim);
  max-width: 70ch;
}

/* two-up feature */
.feature-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.feature-grid h3{ margin-bottom:.35em; }
.feature-grid p{ font-size:.97rem; color:#4b4f53; }

.materials-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.materials-grid > div{
  border-top: 3px solid var(--steel);
  padding-top: 16px;
}
.materials-grid h3{
  font-family: var(--font-display);
  font-size: 1.08rem;
  margin: 0 0 8px;
  color: var(--ink);
}
.materials-grid p{ font-size:.93rem; color:#4b4f53; }
.feature-number{
  font-family: var(--font-display);
  color: var(--steel);
  font-size: 1.6rem;
  display:block;
  margin-bottom: 10px;
}

/* cta strip */
.cta-strip{
  background: var(--rust);
  color:#fff;
}
.cta-strip .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 44px 28px;
}
.cta-strip h2{ margin:0; font-size: clamp(1.5rem,3vw,2.1rem); }
.cta-strip .btn-ghost-light{ border-color: rgba(255,255,255,.65); }

.cta-strip.stacked .wrap{
  flex-direction: column;
  text-align:center;
  justify-content:center;
  padding: 52px 28px;
}
.cta-strip.stacked p{
  margin: 0;
  max-width: 52ch;
  color: rgba(255,255,255,.85);
  font-size: 1.02rem;
}

/* contact page */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.info-block{ margin-bottom: 30px; }
.info-block h3{ margin-bottom: 6px; font-size: 1.05rem; }
.info-block p{ color:#4b4f53; margin:0; }

form.quote-form{ display:flex; flex-direction:column; gap:16px; }
.quote-form label{
  font-size:.88rem;
  font-weight:700;
  color: var(--ink);
  display:block;
  margin-bottom:6px;
}
.quote-form input, .quote-form select, .quote-form textarea{
  width:100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1.5px solid #cfc9ba;
  border-radius: 2px;
  background:#fff;
  color: var(--ink);
}
.quote-form textarea{ min-height: 110px; resize: vertical; }
.quote-form input:focus, .quote-form select:focus, .quote-form textarea:focus{
  outline: 2px solid var(--steel);
  outline-offset: 1px;
}
.field-row{ display:grid; grid-template-columns: 1fr 1fr; gap:16px; }

.map-placeholder{
  background: var(--stone-dim);
  border: 1px dashed #b9b3a2;
  border-radius: 2px;
  aspect-ratio: 16/10;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#726c5c;
  font-size:.9rem;
  text-align:center;
  padding: 20px;
}

/* footer */
footer{
  background: var(--graphite);
  color: var(--stone-dim);
  padding: 46px 0 26px 0;
  font-size: .92rem;
}
.footer-grid{
  display:grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 34px;
}
footer h4{
  color: var(--paper);
  font-family: var(--font-body);
  font-size: .85rem;
  margin: 0 0 12px 0;
}
footer ul{ list-style:none; margin:0; padding:0; }
footer li{ margin-bottom: 8px; }
footer a{ text-decoration:none; color: var(--stone-dim); }
footer a:hover{ color:#fff; }
.footer-bottom{
  border-top: 1px solid rgba(245,243,238,.15);
  padding-top: 20px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  color: #8b8f92;
  font-size: .82rem;
}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 3px solid var(--steel);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 860px){
  .nav-links{
    position:absolute;
    top:100%; left:0; right:0;
    background: var(--graphite);
    flex-direction:column;
    padding: 10px 28px 22px 28px;
    display:none;
    gap: 16px;
    border-bottom: 3px solid var(--rust);
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{
    display:inline-flex;
    background:none;
    border: 1.5px solid var(--steel);
    color: var(--paper);
    width: 40px; height:36px;
    border-radius:2px;
    align-items:center;
    justify-content:center;
    font-size: 1.1rem;
  }
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-art{ display:none; }
  .beam-row{ grid-template-columns: 1fr; }
  .beam-item{ border-left:none; border-top:1px solid #d7d2c4; }
  .beam-item:first-child{ border-top:none; }
  .offer-row, .offer-row.reverse{ grid-template-columns: 1fr; direction: ltr; }
  .offer-row{ padding: 34px 0; }
  .gallery{ grid-template-columns: repeat(2,1fr); }
  .feature-grid{ grid-template-columns: 1fr; }
  .materials-grid{ grid-template-columns: 1fr 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .field-row{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; gap: 24px; }
}