/* WIZBUD – styrobeton | v14 | Pruszyński.IT */
:root{
  --bg:#ECEEEB; --surface:#FFFFFF; --fg:#1D2227; --muted:#566069; --line:#CBD0D2;
  --concrete:#A7ADB1; --concrete-dark:#8D9398; --granule:#F7F7F4;
  --accent:#E86A1C; --accent-ink:#A34A06; --on-accent:#1D2227;
  --wood:#B98552; --wood-dark:#8E6036;
  --paper:#FAFAF8; --screed:#E9DDC8; --ins:#FFF3C9; --water:#CFE4F2;
  --radius-s:4px; --radius-m:10px;
  --max:1180px;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#15181B; --surface:#1E2226; --fg:#E8EAEB; --muted:#A1A9B0; --line:#343A40;
  --concrete:#5E656B; --concrete-dark:#4B5156; --granule:#D9DCDC;
  --accent:#F08A36; --accent-ink:#F5A05A; --on-accent:#15181B;
  --wood:#9C7046; --wood-dark:#7A5533;
  --paper:#1A1E22; --screed:#4A4336; --ins:#4D4630; --water:#2B4455;
  color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#15181B; --surface:#1E2226; --fg:#E8EAEB; --muted:#A1A9B0; --line:#343A40;
    --concrete:#5E656B; --concrete-dark:#4B5156; --granule:#D9DCDC;
    --accent:#F08A36; --accent-ink:#F5A05A; --on-accent:#15181B;
    --wood:#9C7046; --wood-dark:#7A5533;
    --paper:#1A1E22; --screed:#4A4336; --ins:#4D4630; --water:#2B4455;
    color-scheme:dark;
  }
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--fg);
  font-family:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:1.0625rem;line-height:1.6;font-variation-settings:"wdth" 100;
  -webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--accent-ink);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--fg);color:var(--bg);padding:.5rem 1rem;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}

h1,h2,h3{line-height:1.08;margin:0 0 .6em;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(2.3rem,5.4vw,4.1rem);font-variation-settings:"wdth" 118}
h2{font-size:clamp(1.75rem,3.4vw,2.6rem);font-variation-settings:"wdth" 112}
h3{font-size:1.2rem;font-variation-settings:"wdth" 104;line-height:1.25}
p{margin:0 0 1em;max-width:66ch}
.lead{font-size:1.2rem;color:var(--muted);max-width:52ch}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 92%,transparent);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:1.5rem;height:68px}
.brand{display:flex;align-items:center;text-decoration:none;flex:none}
.brand img{height:44px;width:auto}
/* Logo: wersja jasna / ciemna (assets/logo.svg, assets/logo-dark.svg) */
.brand .logo-dark{display:none}
:root[data-theme="dark"] .brand .logo-light{display:none}
:root[data-theme="dark"] .brand .logo-dark{display:block}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .brand .logo-light{display:none}
  :root:not([data-theme="light"]) .brand .logo-dark{display:block}
}
.nav{margin-left:auto;display:flex;gap:1.4rem}
.nav a{color:var(--fg);text-decoration:none;font-weight:600;font-size:.97rem;padding:.3rem 0;border-bottom:2px solid transparent}
.nav a:hover{border-bottom-color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:.6rem}
.theme-toggle,.menu-toggle{background:none;border:1px solid var(--line);color:var(--fg);border-radius:var(--radius-s);
  width:40px;height:40px;display:grid;place-items:center;cursor:pointer}
.theme-toggle svg,.menu-toggle svg{width:20px;height:20px}
.menu-toggle{display:none}
.icon-sun{display:none}
:root[data-theme="dark"] .icon-sun{display:block}
:root[data-theme="dark"] .icon-moon{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .icon-sun{display:block}
  :root:not([data-theme="light"]) .icon-moon{display:none}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.55rem;font:inherit;font-weight:700;text-decoration:none;
  padding:.85rem 1.35rem;border-radius:var(--radius-s);border:2px solid transparent;cursor:pointer;line-height:1.1}
.btn-primary{background:var(--accent);color:var(--on-accent)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-ghost{border-color:var(--fg);color:var(--fg)}
.btn-ghost:hover{background:var(--fg);color:var(--bg)}
.btn svg{width:18px;height:18px}
.header-call{display:inline-flex}

/* Hero */
.hero{padding:clamp(2.5rem,6vw,5rem) 0 clamp(2rem,5vw,4rem)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}
.hero-note{margin-top:1.4rem;font-size:.95rem;color:var(--muted)}
.wall{width:100%;height:auto}
.wall .infill{fill:var(--concrete)}
.wall .granules circle{fill:var(--granule);opacity:.92}
.wall .post{fill:var(--wood)}
.wall .post-edge{fill:var(--wood-dark)}
.wall .ground{stroke:var(--fg);stroke-width:3}
.wall .hatch line{stroke:var(--muted);stroke-width:1.5}
.wall .leader{stroke:var(--fg);stroke-width:1.5;fill:none}
.wall .dot{fill:var(--accent)}
.wall text{fill:var(--fg);font-family:"Archivo",sans-serif;font-size:21px;font-weight:600}
.wall .pour{transform-origin:0 470px;animation:pour 1.8s cubic-bezier(.3,.7,.3,1) .3s both}
@keyframes pour{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@media (prefers-reduced-motion:reduce){.wall .pour{animation:none}html{scroll-behavior:auto}}

/* Sections */
section{padding:clamp(3rem,7vw,5.5rem) 0}
.band{background:var(--surface);border-block:1px solid var(--line)}
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.facts{list-style:none;margin:0;padding:0;border-top:2px solid var(--fg)}
.facts li{display:grid;grid-template-columns:9.5rem 1fr;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--line)}
.facts b{font-variation-settings:"wdth" 110}
.facts span{color:var(--muted)}

/* Steps – real sequence */
.steps{list-style:none;margin:2.2rem 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
.steps li{counter-increment:s;padding:1.4rem 1.4rem 1.6rem 0;border-top:3px solid var(--line);position:relative}
.steps li::before{content:counter(s);display:block;font-size:2.8rem;font-weight:900;font-variation-settings:"wdth" 125;
  color:var(--accent-ink);line-height:1;margin-bottom:.7rem}
.steps li::after{content:"";position:absolute;top:-3px;left:0;width:0;height:3px;background:var(--accent)}
.steps li:first-child::after{width:40%}
.steps p{color:var(--muted);font-size:.98rem}

/* Benefits */
.benefits{display:grid;grid-template-columns:repeat(2,1fr);gap:0 3rem;margin-top:2rem}
.benefit{padding:1.4rem 0;border-top:1px solid var(--line)}
.benefit p{color:var(--muted);margin:0}

/* Docs callout */
.callout{background:var(--fg);color:var(--bg);border-radius:var(--radius-m);padding:clamp(1.6rem,4vw,2.8rem);
  display:grid;grid-template-columns:auto 1fr;gap:1.6rem;align-items:start}
.callout p{color:color-mix(in srgb,var(--bg) 82%,var(--fg))}
.callout svg{width:48px;height:48px;color:var(--accent)}
.callout h2{font-size:clamp(1.4rem,2.6vw,1.9rem)}

/* Params table */
.params{width:100%;border-collapse:collapse;margin-top:1.4rem;font-size:1rem}
.params th,.params td{text-align:left;padding:.85rem .6rem;border-bottom:1px solid var(--line)}
.params th{font-weight:600;width:55%}
.params td{color:var(--muted)}
.pending{display:inline-block;padding:.15rem .55rem;border:1px dashed var(--concrete-dark);border-radius:var(--radius-s);font-size:.88rem}
.table-scroll{overflow-x:auto}

/* Realizations empty state */
.empty{border:2px dashed var(--line);border-radius:var(--radius-m);padding:2rem;display:flex;gap:1.4rem;align-items:center}
.empty svg{flex:none;width:56px;height:56px;color:var(--concrete-dark)}
.empty p{margin:0;color:var(--muted)}

/* About */
.about-list{list-style:none;padding:0;margin:1rem 0 0}
.about-list li{padding:.55rem 0 .55rem 1.6rem;position:relative}
.about-list li::before{content:"";position:absolute;left:0;top:1.05rem;width:10px;height:10px;background:var(--accent);border-radius:2px}

/* FAQ */
.faq{max-width:820px;margin-top:1.6rem}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:1.15rem 2.5rem 1.15rem 0;font-weight:700;font-size:1.08rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:.4rem;top:50%;width:12px;height:12px;border-right:2.5px solid var(--fg);
  border-bottom:2.5px solid var(--fg);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{color:var(--muted);padding-bottom:1rem}

/* Contact */
.contact{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2rem,5vw,4rem)}
.big-phone{display:inline-block;font-size:clamp(2rem,4.5vw,3rem);font-weight:900;font-variation-settings:"wdth" 118;
  color:var(--fg);text-decoration:none;line-height:1;margin:.3rem 0 1rem;border-bottom:4px solid var(--accent)}
.contact dl{margin:1.4rem 0 0}
.contact dt{font-weight:700;margin-top:.9rem}
.contact dd{margin:0;color:var(--muted)}
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);padding:clamp(1.3rem,3vw,2rem)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:1rem}
.field label{font-weight:600;font-size:.95rem}
.field input,.field textarea,.field select{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--line);
  border-radius:var(--radius-s);padding:.7rem .8rem}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
.field textarea{min-height:120px;resize:vertical}
.consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.9rem;color:var(--muted);margin:.4rem 0 1.2rem}
.consent input{margin-top:.25rem;width:18px;height:18px;accent-color:var(--accent);flex:none}
.hp{position:absolute;left:-5000px}
.form-status{margin-top:1rem;font-weight:600;min-height:1.5em}
.form-status.ok{color:#2E7D32}
.form-status.err{color:#C62828}
:root[data-theme="dark"] .form-status.ok{color:#81C784}
:root[data-theme="dark"] .form-status.err{color:#EF9A9A}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:2.5rem 0;font-size:.93rem;color:var(--muted)}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between}
.site-footer a{color:var(--muted)}

/* Mobile call bar */
.callbar{display:none}

@media (max-width:980px){
  .nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);
    border-bottom:1px solid var(--line);padding:.5rem 1.25rem 1rem}
  .nav.open{display:flex}
  .nav a{padding:.8rem 0;border-bottom:1px solid var(--line)}
  .menu-toggle{display:grid}
  .header-actions{margin-left:auto}
  .hero .wrap,.split,.contact{grid-template-columns:1fr}
  .hero-art{max-width:520px}
  .steps{grid-template-columns:repeat(2,1fr);gap:0 1.5rem}
}
@media (max-width:640px){
  body{font-size:1rem;padding-bottom:64px}
  .brand img{height:38px}
  .header-call{display:none}
  .benefits{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .facts li{grid-template-columns:1fr;gap:.2rem}
  .form .row{grid-template-columns:1fr}
  .callout{grid-template-columns:1fr}
  .empty{flex-direction:column;align-items:flex-start}
  .callbar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:60;background:var(--accent);color:var(--on-accent);
    justify-content:center;align-items:center;gap:.6rem;min-height:58px;padding-bottom:env(safe-area-inset-bottom,0px);font-weight:800;text-decoration:none;font-size:1.1rem}
  .callbar svg{width:20px;height:20px}
}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.hero .wrap>*,.split>*,.contact>*,.form .row>*{min-width:0}
.field input,.field textarea,.field select{width:100%}

/* ===== v3: grafiki ===== */
.svg-defs{position:absolute;width:0;height:0;overflow:hidden}
.f-concrete{fill:var(--concrete)} .f-bead{fill:var(--granule)}
.f-plain{fill:var(--paper)} .f-stone{fill:none;stroke:var(--muted);stroke-width:1}
.f-dot{fill:var(--muted)} .f-screed{fill:var(--screed)} .f-pebble{fill:none;stroke:var(--muted);stroke-width:1}
.f-hatch{stroke:var(--muted);stroke-width:1} .f-ins{fill:var(--ins)}

/* Tekstura betonu w pasach */
.band{position:relative;isolation:isolate}
.band::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .45 0 0 0 0 .47 0 0 0 0 .48 0 0 0 .22 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* Składniki */
.mix{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:1rem 1.6rem;margin:3rem 0 .6rem;
  padding:2rem 1.5rem;border:1px solid var(--line);border-radius:var(--radius-m);background:var(--bg)}
.mix-item{margin:0;display:flex;flex-direction:column;align-items:center;gap:.5rem;text-align:center;width:120px}
.mix-item svg{width:88px;height:88px}
.mix-item figcaption{font-weight:600;font-size:.95rem;line-height:1.25}
.mix-result{width:200px}
.mix-result svg{width:150px;height:150px}
.mix-op{font-size:2.4rem;font-weight:800;color:var(--accent-ink);line-height:1}
.ic-ln{fill:none;stroke:var(--fg);stroke-width:3;stroke-linejoin:round;stroke-linecap:round}
.ic-fill{fill:var(--screed)} .ic-acc{fill:var(--accent)} .ic-water{fill:var(--water)}
.ic-bead circle{fill:var(--granule);stroke:var(--fg);stroke-width:2.5}
.ic-ring{fill:none;stroke:var(--accent);stroke-width:6;stroke-linecap:round}
.note{font-size:.9rem;color:var(--muted)}

/* Ikony etapów i zalet */
.step-ic,.ben-ic{fill:none;stroke:var(--fg);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.step-ic{width:52px;height:52px;margin-bottom:.8rem}
.step-ic .acc,.ben-ic .acc{stroke:var(--accent)}
.step-ic .accf{fill:var(--accent);stroke:none}
.step-ic .dash{stroke-dasharray:3 3;stroke:var(--muted)}
.step-ic .chk{stroke:var(--on-accent);stroke-width:2.6}
.steps li{display:flex;flex-direction:column}
.steps li::before{order:-2}
.step-ic{order:-1}
.benefit{display:grid;grid-template-columns:44px 1fr;column-gap:1rem;align-items:start}
.benefit .ben-ic{width:40px;height:40px;grid-row:span 2}
.benefit h3{margin-top:.35rem}

/* Rysunki */
.tabs{display:none;gap:.4rem;flex-wrap:wrap;margin:2rem 0 1.2rem;border-bottom:2px solid var(--line)}
.js .tabs{display:flex}
.tabs button{font:inherit;font-weight:700;background:none;border:0;color:var(--muted);padding:.75rem 1rem;cursor:pointer;
  border-bottom:3px solid transparent;margin-bottom:-2px}
.tabs button[aria-selected="true"]{color:var(--fg);border-bottom-color:var(--accent)}
.tabs button:hover{color:var(--fg)}
.tab-panel{margin-top:1.5rem}
.js .tab-panel{margin-top:0}
.drawing{margin:0;display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(1.5rem,4vw,3rem);align-items:start}
.sheet{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-m);padding:1.2rem 1.2rem 2.4rem;
  background-image:linear-gradient(color-mix(in srgb,var(--line) 55%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--line) 55%,transparent) 1px,transparent 1px);
  background-size:24px 24px;background-position:-1px -1px}
.stamp{position:absolute;right:.8rem;bottom:.6rem;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
  border:1px solid var(--line);padding:.15rem .5rem;background:var(--paper)}
.draw{width:100%;height:auto}
.draw .ln{stroke:var(--fg);stroke-width:1.6;fill-opacity:1}
.draw rect.ln:not([fill]){fill:none}
.draw .wood{fill:var(--wood);stroke:var(--fg);stroke-width:1.6}
.draw .wood-x{stroke:var(--wood-dark);stroke-width:1.2}
.draw .ext{fill:var(--concrete-dark);stroke:var(--fg);stroke-width:1}
.draw .plaster{fill:var(--granule);stroke:var(--fg);stroke-width:1}
.draw .hydro{fill:var(--fg)}
.draw .finish{fill:var(--wood);stroke:var(--fg);stroke-width:1.2}
.draw .edge{fill:var(--accent-ink)}
.draw .pipe{fill:var(--paper);stroke:var(--accent);stroke-width:3}
.draw .foil{stroke:var(--fg);stroke-width:1.4;stroke-dasharray:8 4}
.draw .ins{fill:none;stroke:var(--fg);stroke-width:1.2}
.draw .form{fill:none;stroke:var(--muted);stroke-width:1.6;stroke-dasharray:10 5}
.draw .form-st{stroke:var(--muted);stroke-width:2}
.draw .brk{fill:none;stroke:var(--fg);stroke-width:1.4}
.draw .side{font:700 13px "Archivo",sans-serif;letter-spacing:.12em;fill:var(--muted)}
.draw .lead{fill:none;stroke:var(--fg);stroke-width:1.2}
.draw .lead-dot{fill:var(--fg)}
.draw .num circle{fill:var(--accent);stroke:var(--paper);stroke-width:2}
.draw .num text{font:800 13px "Archivo",sans-serif;fill:var(--on-accent);text-anchor:middle;dominant-baseline:central}
.legend{margin:0 0 1rem;padding:0;list-style:none;counter-reset:lg}
.legend li{counter-increment:lg;position:relative;padding:.45rem 0 .45rem 2.3rem;border-bottom:1px solid var(--line);font-size:.98rem}
.legend li::before{content:counter(lg);position:absolute;left:0;top:.4rem;width:1.55rem;height:1.55rem;border-radius:50%;
  background:var(--accent);color:var(--on-accent);font-weight:800;font-size:.8rem;display:grid;place-items:center}

/* Obszar działania */
.chips{list-style:none;padding:0;margin:1.2rem 0 1.6rem;display:flex;flex-wrap:wrap;gap:.45rem}
.chips li{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:.25rem .75rem;font-size:.92rem;font-weight:600}
.map-wrap{margin:0}
.map{width:100%;max-width:480px;height:auto;margin:0 auto}
.map .m-area{fill:color-mix(in srgb,var(--accent) 10%,transparent)}
.map .m-ring{fill:none;stroke:var(--line);stroke-width:.8;stroke-dasharray:3 3}
.map .m-ring2{fill:none;stroke:var(--accent);stroke-width:1.4;stroke-dasharray:5 4}
.map .m-km{font:700 7px "Archivo",sans-serif;fill:var(--accent-ink)}
.map .m-town circle{fill:var(--fg)}
.map .m-town text{font:600 7.5px "Archivo",sans-serif;fill:var(--fg)}
.map .m-town.big text{font-weight:800;font-size:9.5px}
.map .m-home path{fill:var(--accent);stroke:var(--fg);stroke-width:1}
.map .m-home text{font:800 7.5px "Archivo",sans-serif;fill:var(--fg)}
.map-wrap .note{text-align:center;margin-top:.4rem}

@media (max-width:980px){
  .drawing{grid-template-columns:1fr}
}
@media (max-width:640px){
  .mix{gap:.6rem .8rem;padding:1.4rem .8rem}
  .mix-item{width:96px}
  .mix-item svg{width:64px;height:64px}
  .mix-result{width:100%}
  .mix-result svg{width:130px;height:130px}
  .mix-op{font-size:1.8rem}
  .tabs button{padding:.6rem .6rem;font-size:.92rem}
  .sheet{padding:.6rem .6rem 2.2rem}
}
.draw path.ln{fill:none}
@media (max-width:640px){
  .map .m-town:not(.big) text{display:none}
  .map .m-town.big text{font-size:13px}
  .map .m-home text{font-size:11px}
  .map .m-km{font-size:10px}
}

/* ===== v4: zdjęcia, ciemne sekcje ===== */
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.82rem;font-weight:800;color:var(--accent);margin:0 0 .9rem}

/* Hero ze zdjęciem */
.hero{position:relative;overflow:hidden;color:#F4F4F2;background:#1B1E21 url("img/hero.webp") center right/cover no-repeat;
  padding:clamp(4rem,10vw,8rem) 0 0;min-height:min(86vh,760px);display:flex;flex-direction:column}
.hero::before{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(17,19,21,.94) 0%,rgba(17,19,21,.82) 38%,rgba(17,19,21,.35) 70%,rgba(17,19,21,.15) 100%),
             linear-gradient(0deg,rgba(17,19,21,.9) 0%,rgba(17,19,21,0) 35%)}
.hero .wrap{position:relative;display:flex;flex-direction:column;justify-content:space-between;flex:1;gap:3rem;width:100%}
.hero-text{max-width:640px}
.hero h1{color:#fff;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.hero .lead{color:#D9DCDD;max-width:46ch}
.btn-light{border-color:rgba(255,255,255,.85);color:#fff;background:rgba(255,255,255,.06)}
.btn-light:hover{background:#fff;color:#1D2227}
.trust{list-style:none;margin:0;padding:1.4rem 0 1.6rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;
  border-top:1px solid rgba(255,255,255,.18)}
.trust li{display:flex;flex-direction:column;gap:.15rem;padding-left:1rem;border-left:3px solid var(--accent)}
.trust b{font-size:1.2rem;font-weight:900;font-variation-settings:"wdth" 115;color:#fff}
.trust span{font-size:.9rem;color:#C3C8CB}
.photo-note{position:absolute;right:.8rem;bottom:.5rem;font-size:.7rem;color:rgba(255,255,255,.55);letter-spacing:.04em}

/* Zdjęcia w sekcjach */
.photo{margin:0;position:relative;border-radius:var(--radius-m);overflow:hidden;box-shadow:0 18px 40px -18px rgba(0,0,0,.45)}
.photo img{width:100%;height:100%;object-fit:cover}
.photo figcaption{position:absolute;left:0;right:0;bottom:0;padding:1.6rem .9rem .55rem;font-size:.78rem;color:#fff;
  background:linear-gradient(0deg,rgba(0,0,0,.6),transparent)}
.photo-tall{aspect-ratio:4/5;align-self:stretch}
.photo-wide{aspect-ratio:21/8;margin:2rem 0 .5rem}
#o-firmie .photo{aspect-ratio:3/2;margin-top:1.4rem}
#styrobeton .facts{margin-top:1.8rem}
.mix-result img{width:150px;height:150px;border-radius:50%;object-fit:cover;border:6px solid var(--accent)}

/* Ciemna sekcja z betonem */
.dark{position:relative;isolation:isolate;color:#EDEEEE;background:#23272A url("img/beton-tlo.webp") center/cover}
.dark::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(20,22,25,.55),rgba(20,22,25,.8))}
.dark h2,.dark h3{color:#fff}
.dark .benefits{gap:1.2rem;grid-template-columns:repeat(4,1fr)}
.dark .benefit{display:block;border:1px solid rgba(255,255,255,.14);background:rgba(20,22,25,.55);backdrop-filter:blur(3px);
  border-radius:var(--radius-m);padding:1.6rem 1.4rem;border-top:3px solid var(--accent)}
.dark .benefit p{color:#C9CDD0}
.dark .ben-ic{width:44px;height:44px;margin-bottom:1rem;stroke:#fff}
.dark .ben-ic .acc{stroke:var(--accent)}
.dark .benefit h3{margin-top:0}

/* Pasek CTA ze zdjęciem domu */
.cta{position:relative;isolation:isolate;color:#fff;background:#1B1E21 url("img/dom.webp") center 40%/cover;padding:clamp(3.5rem,8vw,6rem) 0}
.cta::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(17,19,21,.92) 0%,rgba(17,19,21,.75) 50%,rgba(17,19,21,.35) 100%)}
.cta .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:2rem}
.cta h2{color:#fff;margin-bottom:.4em}
.cta p{color:#D9DCDD;max-width:48ch;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:.8rem}

/* Stopka ciemna */
.site-footer{background:#15181B;color:#A9B0B5;border-top:0}
.site-footer a{color:#D5D9DB}

@media (max-width:980px){
  .trust{grid-template-columns:repeat(2,1fr)}
  .dark .benefits{grid-template-columns:repeat(2,1fr)}
  .photo-tall{aspect-ratio:3/2}
}
@media (max-width:640px){
  .hero{background-image:url("img/hero-m.webp");background-position:70% center;min-height:0;padding-top:3rem}
  .hero::before{background:linear-gradient(180deg,rgba(17,19,21,.72) 0%,rgba(17,19,21,.88) 60%,rgba(17,19,21,.95) 100%)}
  .trust{gap:1rem .8rem}
  .trust b{font-size:1.05rem}
  .dark .benefits{grid-template-columns:1fr}
  .photo-wide{aspect-ratio:4/3}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}
}
.hero .wrap{align-items:stretch}
.nav a,.header-call{white-space:nowrap}
@media (min-width:981px) and (max-width:1220px){.header-call{display:none}.nav{gap:1.1rem}}

/* ===== v5: ikony 3D i ilustracje przekrojów ===== */
.ben-ic,.step-ic,.mix-ic{display:block;object-fit:contain;stroke:none;fill:none}
.benefit .ben-ic{width:64px;height:64px}
.dark .ben-ic{width:88px;height:88px;margin:-.4rem 0 .8rem -.3rem}
.step-ic{width:76px;height:76px;margin-bottom:.8rem}
.mix-item .mix-ic{width:96px;height:96px}
.sheet{padding:0;background:#7E7E82;overflow:hidden}
.sheet>img{width:100%;height:auto;display:block}
.pin{position:absolute;transform:translate(-50%,-50%);width:30px;height:30px;border-radius:50%;background:var(--accent);color:#1D2227;
  font-weight:800;font-size:.9rem;display:grid;place-items:center;border:2px solid #fff;box-shadow:0 3px 10px rgba(0,0,0,.45)}
.stamp{background:rgba(20,22,25,.6);color:#E6E8E9;border-color:rgba(255,255,255,.25)}
@media (max-width:640px){
  .pin{width:24px;height:24px;font-size:.75rem;border-width:1.5px}
  .mix-item .mix-ic{width:68px;height:68px}
  .step-ic{width:64px;height:64px}
}
@media (max-width:640px){.sheet .stamp{display:none}}

/* ===== v6: wyraźne zakładki, osobna sekcja posadzki ===== */
.tabs{border-bottom:0;gap:.6rem}
.tabs button{border:2px solid var(--line);border-radius:999px;padding:.6rem 1.2rem;margin:0;color:var(--fg);background:var(--surface)}
.tabs button[aria-selected="true"]{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.tabs button:hover{border-color:var(--accent)}
#posadzka .drawing{margin-top:2rem}

/* ===== v7: przełącznik PL/EN, Facebook ===== */
.lang{display:flex;border:1px solid var(--line);border-radius:var(--radius-s);overflow:hidden;height:40px}
.lang a{display:grid;place-items:center;padding:0 .6rem;font-weight:800;font-size:.85rem;color:var(--muted);text-decoration:none}
.lang a[aria-current]{background:var(--fg);color:var(--bg)}
.lang a:not([aria-current]):hover{color:var(--fg)}
.nav-lang{display:none}
.fb-link{display:inline-flex;align-items:center;gap:.45rem}
.fb-ic{width:18px;height:18px;flex:none}
@media (max-width:980px){
  .header-actions>.lang{display:none}
  .nav-lang{display:block;padding:.9rem 0 .2rem}
  .nav-lang .lang{display:inline-flex;height:36px}
  .nav-lang .lang a{border-bottom:0;padding:0 .9rem}
}
.photo-tall{align-self:start;width:100%}
@media (min-width:981px) and (max-width:1320px){.header-call{display:none}}
.big-phone{white-space:nowrap;font-size:clamp(1.7rem,3.4vw,2.6rem)}

/* ===== v8: pasek podglądu (tylko w paczce PODGLAD-ONLINE) ===== */
.preview-bar{background:var(--accent);color:#1D2227;text-align:center;font-size:.85rem;font-weight:700;padding:.45rem 1rem}

/* ===== v9: poddasza – regranulat ===== */
.attic-card{margin:0;align-self:center;justify-self:center;display:flex;flex-direction:column;align-items:center;gap:.6rem;
  background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:var(--radius-m);padding:2.2rem 3rem}
.attic-card img{width:170px;height:170px;object-fit:contain}
.attic-card figcaption{font-weight:700;color:var(--muted)}

/* ===== v10: kalkulator regranulatu ===== */
.calc{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:var(--radius-m);
  padding:clamp(1.3rem,3vw,2rem);align-self:start;width:100%;max-width:520px;justify-self:end}
.calc-head{display:flex;align-items:center;gap:.8rem;margin-bottom:1rem}
.calc-head img{width:56px;height:56px;object-fit:contain}
.calc-head h3{margin:0}
.calc .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.calc-res{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding:1rem 0;margin:.2rem 0 .6rem;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.calc-res span{font-weight:600;color:var(--muted)}
.calc-res output{font-size:2rem;font-weight:900;font-variation-settings:"wdth" 115;color:var(--accent-ink);white-space:nowrap}
.calc .btn{width:100%;justify-content:center}
.calc-msg{margin:.7rem 0 0;font-weight:600;color:#C62828;min-height:1.2em}
:root[data-theme="dark"] .calc-msg{color:#EF9A9A}
@media (max-width:980px){.calc{justify-self:stretch;max-width:none}}
@media (max-width:640px){.calc .row{grid-template-columns:1fr}}
/* ===== v11: podstrony ===== */
/* Aktywna pozycja menu */
.nav a[aria-current="page"]{border-bottom-color:var(--accent);color:var(--accent-ink)}
.nav .lang a[aria-current]{color:var(--bg)}
/* Nagłówek podstrony ze zdjęciem */
.page-hero{position:relative;isolation:isolate;color:#fff;background:#1B1E21 center/cover no-repeat;
  padding:clamp(2.6rem,6vw,4.6rem) 0 clamp(2.4rem,5vw,3.8rem);overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(17,19,21,.93) 0%,rgba(17,19,21,.8) 45%,rgba(17,19,21,.45) 100%)}
.page-hero h1{color:#fff;font-size:clamp(2.1rem,4.6vw,3.4rem);margin-bottom:.35em;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.page-hero .lead{color:#D9DCDD;max-width:56ch;margin:0}
.crumbs{display:flex;flex-wrap:wrap;gap:.5rem;font-size:.9rem;margin-bottom:1.1rem;color:#B9BFC3}
.crumbs a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.45)}
.crumbs a:hover{border-bottom-color:var(--accent)}
.crumbs [aria-current]{color:#D9DCDD}
/* Kafelki usług na stronie głównej */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2rem}
.svc{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;text-decoration:none;color:var(--fg);transition:transform .2s,box-shadow .2s,border-color .2s}
.svc:hover{transform:translateY(-3px);box-shadow:0 18px 40px -20px rgba(0,0,0,.45);border-color:var(--accent)}
.svc-img{display:block;aspect-ratio:3/2;overflow:hidden;background:var(--concrete)}
.svc-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.svc:hover .svc-img img{transform:scale(1.04)}
.svc-body{display:flex;flex-direction:column;gap:.5rem;padding:1.3rem 1.4rem 1.5rem;flex:1;border-top:3px solid var(--accent)}
.svc-body h3{margin:0;font-size:1.3rem}
.svc-txt{color:var(--muted);font-size:.98rem;flex:1}
.svc-more{display:inline-flex;align-items:center;gap:.4rem;font-weight:800;color:var(--accent-ink);margin-top:.4rem}
.svc-more svg{width:18px;height:18px;transition:transform .2s}
.svc:hover .svc-more svg{transform:translateX(4px)}
@media (prefers-reduced-motion:reduce){.svc,.svc-img img,.svc-more svg{transition:none}}
#wylewki .photo{aspect-ratio:3/2}
/* Stopka z mapą strony */
.site-footer .wrap{flex-direction:column;gap:1.4rem}
.foot-nav{display:flex;flex-wrap:wrap;gap:.4rem 1.6rem;padding-bottom:1.3rem;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-nav a{text-decoration:none;font-weight:600}
.foot-nav a:hover{text-decoration:underline}
.foot-meta{display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between;align-items:center}
/* Menu: 7 pozycji – menu mobilne od 1180 px */
@media (max-width:1180px){
  .nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);
    border-bottom:1px solid var(--line);padding:.5rem 1.25rem 1rem;max-height:calc(100vh - 68px);overflow-y:auto}
  .nav.open{display:flex}
  .nav a{padding:.8rem 0;border-bottom:1px solid var(--line)}
  .nav a[aria-current="page"]{border-bottom-color:var(--line);box-shadow:inset 3px 0 0 var(--accent);padding-left:.8rem}
  .nav-lang .lang a{box-shadow:none;padding:0 .9rem}
  .menu-toggle{display:grid}
  .header-actions{margin-left:auto}
  .header-actions>.lang{display:none}
  .nav-lang{display:block;padding:.9rem 0 .2rem}
  .nav-lang .lang{display:inline-flex;height:36px}
  .nav-lang .lang a{border-bottom:0}
  .header-call{display:inline-flex}
}
@media (max-width:980px){.svc-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){
  .svc-grid{grid-template-columns:1fr}
  .header-call{display:none}
  .page-hero::before{background:linear-gradient(180deg,rgba(17,19,21,.78) 0%,rgba(17,19,21,.9) 100%)}
}
#wylewki .about-list{margin-bottom:1.2rem}
/* ===== v12: poddasza – zalety, koszt, galeria realizacji ===== */
.pros{list-style:none;margin:1.4rem 0 1.6rem;padding:0;display:grid;gap:.8rem}
.pros li{display:flex;flex-direction:column;gap:.15rem;padding:.9rem 1rem .9rem 1.1rem;background:var(--surface);
  border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius-s)}
.pros b{font-size:1.05rem}
.pros span{color:var(--muted);font-size:.95rem}
.calc-cost{border-top:0;margin-top:-.6rem}
.calc-res span small{display:block;font-weight:500;font-size:.82rem}
.calc-cost output{font-size:1.6rem}
.gallery{list-style:none;margin:2rem 0 .6rem;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem}
.gal-item{display:block;aspect-ratio:4/3;overflow:hidden;border-radius:var(--radius-m);background:var(--concrete);position:relative}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.gal-item:hover img{transform:scale(1.05)}
.gal-item::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.lightbox{border:0;padding:0;background:transparent;max-width:min(96vw,1200px);max-height:92vh;overflow:visible}
.lightbox::backdrop{background:rgba(10,12,14,.9)}
.lightbox img{max-width:min(96vw,1200px);max-height:84vh;width:auto;height:auto;border-radius:var(--radius-s);margin:0 auto}
.lightbox p{color:#D9DCDD;text-align:center;font-size:.9rem;margin:.6rem auto 0}
.lb-btn{position:fixed;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.14);color:#fff;display:grid;place-items:center}
.lb-btn:hover{background:var(--accent);color:#1D2227}
.lb-btn svg{width:24px;height:24px}
.lb-prev{left:12px}.lb-next{right:12px}
.lb-close{top:12px;right:12px;transform:none}
@media (max-width:640px){.gallery{grid-template-columns:1fr 1fr;gap:.5rem}.lb-prev,.lb-next{top:auto;bottom:12px;transform:none}}
@media (prefers-reduced-motion:reduce){.gal-item img{transition:none}}
/* ===== v14: czcionka z własnego serwera (bez Google Fonts), polityka prywatności, 404 ===== */
@font-face{font-family:"Archivo";font-style:normal;font-display:swap;font-weight:100 900;font-stretch:62% 125%;
  src:url("fonts/archivo-latin-ext-wdth-normal.woff2") format("woff2-variations");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Archivo";font-style:normal;font-display:swap;font-weight:100 900;font-stretch:62% 125%;
  src:url("fonts/archivo-latin-wdth-normal.woff2") format("woff2-variations");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
.wrap.narrow{max-width:900px}
.policy h2{font-size:clamp(1.3rem,2.4vw,1.6rem);margin:2.4rem 0 .8rem;scroll-margin-top:90px}
.policy p,.policy li{max-width:none}
.toc{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius-m);padding:1rem 1.4rem;margin:1.6rem 0}
.toc ol{margin:0;padding-left:1.3rem;columns:2;column-gap:2rem}
.toc li{padding:.15rem 0;break-inside:avoid}
.pp-table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:640px}
.pp-table th,.pp-table td{text-align:left;vertical-align:top;padding:.7rem .6rem;border-bottom:1px solid var(--line)}
.pp-table thead th{border-bottom:2px solid var(--fg);font-size:.9rem}
.pp-table td:first-child{font-weight:700}
.pp-table td{color:var(--muted)} .pp-table td:first-child{color:var(--fg)}
@media (max-width:640px){.toc ol{columns:1}}
@media (max-width:760px){
  .pp-table{min-width:0}
  .pp-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .pp-table,.pp-table tbody,.pp-table tr,.pp-table td{display:block;width:100%}
  .pp-table tr{border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:var(--radius-m);background:var(--surface);padding:.4rem .9rem;margin-bottom:.9rem}
  .pp-table td{border:0;padding:.45rem 0}
  .pp-table td:first-child{font-size:1.05rem;padding-top:.6rem}
  .pp-table td:not(:first-child)::before{content:attr(data-label);display:block;font-weight:700;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--fg);margin-bottom:.1rem}
}