/* Ecoprof – Systemy aluminiowe. Wszystkie klasy z prefiksem .alu- */
.alu-page{--alu-green:#4ba82e;--alu-green-dark:#2f7d1e;--alu-green-deeper:#276a19;--alu-green-text:#2f7d1e;--alu-ink:#2b2a2a;--alu-text:#333;--alu-muted:#6b6b6b;--alu-line:#e6e7e9;--alu-soft:#f4f5f6;--alu-head:"Khand","Open Sans",Arial,sans-serif;--alu-body:"Open Sans",Arial,Helvetica,sans-serif}
.alu-wrapper{padding:104px 0 64px;font-family:var(--alu-body);color:var(--alu-text)} /* 80px pod stały pasek motywu + oddech */
.admin-bar .alu-wrapper{padding-top:104px}
.alu-wrapper *,.alu-wrapper *::before,.alu-wrapper *::after{box-sizing:border-box}
.alu-wrapper img{max-width:100%;height:auto}
.alu-h2,.alu-h3,.alu-hero__title,.alu-archive-head__title{font-family:var(--alu-head);color:var(--alu-ink);line-height:1.1;margin:0 0 .5em;text-wrap:balance}
.alu-h2{font-size:clamp(26px,3.2vw,36px);font-weight:600}
.alu-h2--section{margin:40px 0 20px;padding-left:16px;border-left:5px solid var(--alu-green)}
.alu-h3{font-size:22px;font-weight:600;margin:24px 0 12px}
.alu-h3--sub{color:var(--alu-muted)}
.alu-prose p{margin:0 0 1em;line-height:1.65}
/* zieleń tekstu/przycisków przyciemniona do kontrastu AA (≥4,5:1 na bieli); jasna zieleń marki zostaje na liniach i tłach dekoracyjnych */
.alu-btn{display:inline-block;padding:11px 22px;border-radius:4px;font-weight:600;font-size:15px;line-height:1.2;text-decoration:none;border:2px solid var(--alu-green-dark);color:var(--alu-green-text);background:#fff;transition:background .15s,color .15s}
.alu-btn:hover,.alu-btn:focus-visible{background:var(--alu-green-dark);color:#fff;text-decoration:none}
.alu-btn--primary{background:var(--alu-green-dark);border-color:var(--alu-green-dark);color:#fff}
.alu-btn--primary:hover,.alu-btn--primary:focus-visible{background:var(--alu-green-deeper);border-color:var(--alu-green-deeper);color:#fff}
.alu-btn--ghost{border-color:var(--alu-ink);color:var(--alu-ink)}
.alu-btn--ghost:hover{background:var(--alu-ink);border-color:var(--alu-ink)}
.alu-btn--small{padding:8px 14px;font-size:14px}

/* okruszki */
.alu-crumbs{font-size:13px;color:var(--alu-muted);margin:0 0 20px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.alu-crumbs a{color:var(--alu-muted);text-decoration:none}
.alu-crumbs a:hover{color:var(--alu-green-text)}
.alu-crumbs__sep{opacity:.6}
.alu-crumbs [aria-current]{color:var(--alu-ink);font-weight:600}

/* hero */
.alu-hero{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;padding:8px 0 32px;border-bottom:1px solid var(--alu-line)}
@media (min-width:900px){.alu-hero{grid-template-columns:1.1fr .9fr;gap:48px}}
.alu-hero__label{font-size:16px;color:var(--alu-muted);margin:0 0 6px;text-transform:uppercase;letter-spacing:.04em}
.alu-hero__title{font-size:clamp(36px,5.5vw,58px);font-weight:700;margin:0 0 14px}
.alu-hero__lead p{font-size:17px;line-height:1.6;margin:0 0 18px;max-width:60ch}
.alu-certs{list-style:none;display:flex;flex-wrap:wrap;gap:12px;padding:0;margin:0 0 22px}
.alu-certs li{width:64px;height:64px}
.alu-certs img{width:100%;height:100%;object-fit:contain}
.alu-hero__actions{display:flex;flex-wrap:wrap;gap:12px}
.alu-hero__media{display:flex;justify-content:center;align-items:center;background:var(--alu-soft);border-radius:6px;padding:24px;min-height:280px}
.alu-hero__img{max-height:560px;width:auto;object-fit:contain}

/* zakładki */
.alu-tabs-wrap{position:sticky;top:0;z-index:5;background:#fff;box-shadow:inset 0 -2px 0 var(--alu-line);margin:0 0 8px;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin}
.alu-tabs{display:flex;gap:4px;min-width:max-content}
.alu-tab{appearance:none;background:none;border:0;border-bottom:3px solid transparent;margin:0;padding:16px 18px;font-family:var(--alu-head);font-size:19px;font-weight:600;color:var(--alu-muted);cursor:pointer;white-space:nowrap}
.alu-tab:hover{color:var(--alu-ink)}
.alu-tab.is-active{color:var(--alu-ink);border-bottom-color:var(--alu-green)}
.alu-tab:focus-visible{outline:2px solid var(--alu-green);outline-offset:-2px}
.alu-pane{display:none;padding:8px 0 24px}
.alu-pane.is-active{display:block}

/* informacje ogólne */
.alu-general{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;margin:24px 0 8px}
@media (min-width:900px){.alu-general{grid-template-columns:1fr 1fr;gap:48px}}
.alu-general__text .alu-h2{font-size:clamp(22px,2.6vw,28px);font-weight:500}
.alu-general__media{margin:0;border-radius:6px;overflow:hidden;border-bottom:5px solid var(--alu-green)}
.alu-general__media img{display:block;width:100%}
.alu-features{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.alu-feature{border:1px solid var(--alu-line);border-radius:6px;padding:20px;display:flex;flex-direction:column;gap:12px}
.alu-feature__icon{width:40px;height:40px;object-fit:contain}
.alu-feature p{margin:0;font-size:15px;line-height:1.5}

/* rysunki */
.alu-drawings{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.alu-drawing{margin:0;border:1px solid var(--alu-line);border-radius:6px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.alu-drawing a{display:block;padding:16px;aspect-ratio:1.25/1;display:flex;align-items:center;justify-content:center;background:#fff}
.alu-drawing img{max-height:100%;object-fit:contain}
.alu-drawing figcaption{padding:12px 16px;border-top:1px solid var(--alu-line);font-weight:600;font-size:15px;min-height:48px}

/* parametry */
.alu-params{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:900px){.alu-params{grid-template-columns:1fr 1fr;gap:48px}}
.alu-table{width:100%;border-collapse:collapse;font-size:15px}
.alu-table th,.alu-table td{padding:12px 14px;border-bottom:1px solid var(--alu-line);text-align:left;vertical-align:top}
.alu-table th{font-weight:400;color:var(--alu-muted);width:55%}
.alu-table td{font-weight:600;color:var(--alu-ink);font-variant-numeric:tabular-nums}
.alu-table tr:nth-child(odd) th,.alu-table tr:nth-child(odd) td{background:var(--alu-soft)}
.alu-thermal{display:block;max-width:900px;border:1px solid var(--alu-line);border-radius:6px;overflow:hidden}
.alu-thermal img{display:block;width:100%}

/* pliki */
.alu-files{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.alu-file{border:1px solid var(--alu-line);border-radius:6px;overflow:hidden;display:flex;flex-direction:column;background:#fff}
.alu-file__cover{display:block;background:var(--alu-soft);padding:16px;text-align:center}
.alu-file__cover img{max-height:220px;width:auto;box-shadow:0 4px 14px rgba(0,0,0,.12)}
.alu-file__body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.alu-file__label{font-size:13px;color:var(--alu-muted);text-transform:uppercase;letter-spacing:.04em}
.alu-file__title{font-family:var(--alu-head);font-size:22px;font-weight:600;color:var(--alu-ink);flex:1}

/* filmy */
.alu-videos__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.alu-video__play{position:relative;display:block;width:100%;padding:0;border:0;background:#000;aspect-ratio:16/9;overflow:hidden;cursor:pointer;border-radius:6px}
.alu-video__play img{width:100%;height:100%;object-fit:cover;opacity:.85}
.alu-video__icon{position:absolute;left:50%;top:50%;width:64px;height:64px;margin:-32px 0 0 -32px;border-radius:50%;background:var(--alu-green)}
.alu-video__icon::after{content:"";position:absolute;left:26px;top:19px;border-left:18px solid #fff;border-top:13px solid transparent;border-bottom:13px solid transparent}
.alu-video iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:6px}
.alu-video__title{margin:10px 0 0;font-weight:600;font-size:15px}
.alu-video__dur{color:var(--alu-muted);font-weight:400;margin-left:6px}

/* kafelki */
.alu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-auto-rows:1fr;gap:24px;margin:0 0 16px}
.alu-tile{display:flex;flex-direction:column;border-radius:10px;overflow:hidden;text-decoration:none;color:var(--alu-ink);background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.06),0 0 0 1px rgba(0,0,0,.04);transition:box-shadow .2s ease,transform .2s ease}
.alu-tile:hover,.alu-tile:focus-visible{box-shadow:0 14px 32px rgba(0,0,0,.12),0 0 0 1px rgba(75,168,46,.35);transform:translateY(-3px);text-decoration:none;color:var(--alu-ink);outline:none}
.alu-tile__media{position:relative;display:block;aspect-ratio:4/5;background:radial-gradient(120% 90% at 50% 100%,#e9ebee 0%,#f6f7f8 60%,#fbfbfc 100%);overflow:hidden}
.alu-tile__img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:14%;transition:transform .35s ease}
.alu-tile:hover .alu-tile__img{transform:scale(1.05)}
.alu-tile__noimg{position:absolute;inset:22%;border:2px dashed var(--alu-line);border-radius:8px}
.alu-tile__body{padding:16px 18px 16px;display:flex;flex-direction:column;flex:1;gap:4px;border-top:1px solid var(--alu-line)}
.alu-tile__label{font-size:11.5px;line-height:1.35;color:var(--alu-muted);text-transform:uppercase;letter-spacing:.05em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:calc(2 * 1.35 * 11.5px)}
.alu-tile__title{font-family:var(--alu-head);font-size:26px;font-weight:600;line-height:1.05;margin:2px 0 8px;transition:color .15s}
.alu-tile:hover .alu-tile__title{color:var(--alu-green-text)}
.alu-tile__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:32px}
.alu-tile__badges{display:flex;gap:5px;flex-wrap:wrap}
.alu-badge{width:30px;height:30px;object-fit:contain;border-radius:50%;background:#fff}
.alu-tile__cta{font-size:13px;font-weight:600;color:var(--alu-green-text);white-space:nowrap;display:inline-flex;align-items:center;gap:4px}
.alu-tile__arrow{display:inline-block;transition:transform .2s}
.alu-tile:hover .alu-tile__arrow{transform:translateX(4px)}
@media (prefers-reduced-motion:reduce){.alu-tile,.alu-tile__img,.alu-tile__arrow{transition:none}.alu-tile:hover .alu-tile__img{transform:none}}
@media (max-width:600px){
  .alu-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .alu-tile{border-radius:8px}
  .alu-tile__img{padding:10%}
  .alu-tile__body{padding:12px 12px 12px;gap:2px}
  .alu-tile__label{font-size:10.5px;min-height:calc(2 * 1.35 * 10.5px)}
  .alu-tile__title{font-size:20px;margin:2px 0 6px}
  .alu-tile__foot{min-height:26px}
  .alu-badge{width:24px;height:24px}
  .alu-tile__cta{font-size:12px}
  .alu-tile__cta span{display:none}
}

/* archiwum */
.alu-archive-head{margin:0 0 20px}
.alu-archive-head__title{font-size:clamp(34px,5vw,52px);font-weight:700}
.alu-archive-head__desc p{max-width:70ch;font-size:16px;line-height:1.6;margin:0}
.alu-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px}
.alu-chip{display:inline-block;padding:8px 14px;border-radius:999px;border:1px solid var(--alu-line);color:var(--alu-ink);text-decoration:none;font-size:14px;font-weight:600}
.alu-chip:hover{border-color:var(--alu-green-dark);color:var(--alu-green-text);text-decoration:none}
.alu-chip.is-active{background:var(--alu-green-dark);border-color:var(--alu-green-dark);color:#fff}
.alu-section{margin:0 0 24px}

/* lightbox */
.alu-lightbox{position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.88);display:flex;align-items:center;justify-content:center;padding:24px}
.alu-lightbox[hidden]{display:none}
.alu-lightbox figure{margin:0;max-width:min(1200px,96vw);max-height:92vh;display:flex;flex-direction:column;align-items:center;gap:12px}
.alu-lightbox img{max-width:100%;max-height:82vh;object-fit:contain;background:#fff;border-radius:4px}
.alu-lightbox figcaption{color:#fff;font-size:15px}
.alu-lightbox__close{position:absolute;top:16px;right:20px;width:44px;height:44px;border:0;border-radius:50%;background:#fff;color:#000;font-size:28px;line-height:1;cursor:pointer}
.alu-zoom{cursor:zoom-in}

@media (prefers-reduced-motion:reduce){.alu-btn{transition:none}}
.alu-h3--sub{margin-top:8px}
.alu-section{margin:0 0 36px}

/* model 360° */
.alu-hero__media--360{padding:0;overflow:hidden;position:relative}
.alu-360{position:relative;width:100%;user-select:none;-webkit-user-select:none;touch-action:pan-y;background:var(--alu-soft)}
.alu-360__stage{position:relative;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;cursor:grab;overflow:hidden}
.alu-360__stage.is-dragging{cursor:grabbing}
.alu-360__img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;transition:transform .08s linear;will-change:transform;pointer-events:none}
.alu-360.is-zoomed .alu-360__stage{cursor:move}
.alu-360.is-zoomed .alu-360__img{transform:scale(2)}
.alu-360__progress{position:absolute;left:0;right:0;bottom:0;height:4px;background:rgba(0,0,0,.08)}
.alu-360__progress span{display:block;height:100%;width:0;background:var(--alu-green);transition:width .2s}
.alu-360.is-ready .alu-360__progress{opacity:0;transition:opacity .6s .4s}
.alu-360__bar{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:flex;gap:2px;background:#fff;border-radius:999px;padding:4px;box-shadow:0 4px 16px rgba(0,0,0,.14);z-index:2}
.alu-360__btn{appearance:none;border:0;background:transparent;width:40px;height:40px;border-radius:50%;font-size:20px;line-height:1;color:var(--alu-ink);cursor:pointer;display:flex;align-items:center;justify-content:center}
.alu-360__btn:hover{background:var(--alu-soft)}
.alu-360__btn[aria-pressed="true"]{color:var(--alu-green-text)}
.alu-360__btn:focus-visible{outline:2px solid var(--alu-green)}
.alu-360:fullscreen{background:#fff;display:flex;align-items:center;justify-content:center}
.alu-360:fullscreen .alu-360__stage{width:min(100vw,100vh);height:min(100vw,100vh);aspect-ratio:auto}
@media (prefers-reduced-motion:reduce){.alu-360__img{transition:none}}