:root{--bg:#f4f2ec;--paper:#fff;--ink:#0f1e2a;--ink2:#1c3346;--muted:#4b5b68;--line:#dcd6c8;--blue:#1f3d8c;--orange:#f06a1a;--orange-d:#b84a07;--green:#1f7a4d;--fat:#e9c46a;--water:#8ecae6;--sludge:#8a6a4f}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-text-size-adjust:100%}
img{display:block;max-width:100%;height:auto}
a{color:var(--blue);text-underline-offset:3px}
h1,h2,h3,p,ul,ol,figure{margin:0}
.wrap{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.narrow{max-width:860px}
.skip{position:absolute;left:12px;top:-60px;background:#fff;color:#000;padding:10px 14px;border-radius:8px;z-index:200}
.skip:focus{top:10px}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}

/* pasek */
.top{position:sticky;top:0;z-index:100;background:rgba(15,30,42,.97);backdrop-filter:blur(10px);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{font-weight:900;font-size:24px;letter-spacing:-.02em;color:#fff;text-decoration:none;line-height:1.05}
.brand span{display:block;font-size:14px;font-weight:600;letter-spacing:.04em;color:#a9bccb;margin-top:2px}
.top nav{display:flex;gap:26px;margin-left:auto;margin-right:12px}
.top nav a{color:#dbe6ee;text-decoration:none;font-size:15px;font-weight:600;padding:8px 2px;border-bottom:2px solid transparent}
.top nav a:hover,.top nav a[aria-current]{color:#fff;border-bottom-color:var(--orange)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--orange);color:#1a0d02;font-weight:800;font-size:17px;padding:13px 22px;border-radius:10px;text-decoration:none;min-height:48px;border:2px solid var(--orange);cursor:pointer}
.btn:hover{background:#ff7d33;border-color:#ff7d33}
.btn.big{padding:16px 28px;font-size:18px;min-height:56px}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn.ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn.ghost-dark{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.call{white-space:nowrap}

/* hero */
.hero{background:linear-gradient(135deg,#0f1e2a 0%,#173653 100%);color:#fff;padding:56px 0 68px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
h1{font-size:clamp(34px,4.6vw,58px);line-height:1.04;letter-spacing:-.035em;font-weight:900}
.hero h1{margin:6px 0 22px}
.kicker{font-size:14px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--orange-d);margin-bottom:12px}
.kicker.light{color:#ffb27a}
.lead{font-size:19px;line-height:1.6;color:#d3dfe9;max-width:34em}
.lead strong{color:#fff}
.lead.dark{color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.facts{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 0;padding:0;list-style:none}
.facts li{border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:7px 15px;font-size:15px;color:#e3edf4}
.hero-fig{border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.14);box-shadow:0 30px 70px rgba(0,0,0,.45)}

/* sekcje */
section{padding:76px 0}
section.alt{background:var(--paper);border-block:1px solid var(--line)}
.page-head{padding:36px 0 40px;background:var(--paper);border-bottom:1px solid var(--line)}
.page-head h1{margin-bottom:16px;max-width:20em}
h2{font-size:clamp(27px,3.1vw,40px);line-height:1.12;letter-spacing:-.03em;font-weight:850;max-width:22em;margin-bottom:16px}
h3{font-size:20px;line-height:1.25;letter-spacing:-.01em;font-weight:800;margin-bottom:8px}
section p+p,.article p+p{margin-top:14px}
.section-lead{color:var(--muted);max-width:44em;margin-bottom:26px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0 0 18px;font-size:15px;color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:6px;color:#9aa6af}
.crumbs a{color:var(--muted)}
.more{font-weight:800}
.small-note{font-size:15px;color:var(--muted);margin-top:16px}
.note{font-size:15px;color:var(--muted);margin-top:14px}

/* listy */
.checks{list-style:none;padding:0;margin:22px 0 0}
.checks li{position:relative;padding:11px 0 11px 36px;border-top:1px solid var(--line)}
.checks li:last-child{border-bottom:1px solid var(--line)}
.checks li::before{content:"";position:absolute;left:4px;top:15px;width:20px;height:20px;border-radius:50%;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-6.5' fill='none' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/20px no-repeat}
.risks{list-style:none;padding:0;margin-top:20px}
.risks li{padding:13px 0 13px 18px;border-left:4px solid var(--orange);background:#fff7f1;margin-bottom:10px;border-radius:0 8px 8px 0;padding-right:14px}
.factors{padding-left:26px;margin-top:18px}
.factors li{padding:7px 0 7px 6px}
.factors li::marker{font-weight:800;color:var(--orange-d)}

/* karty */
.cards{display:grid;gap:18px;margin-top:30px}
.cards.six{grid-template-columns:repeat(3,1fr)}
.card{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:24px}
.card p{color:var(--muted);font-size:16px}
section.alt .card{background:var(--bg)}

/* kroki */
.steps{list-style:none;padding:0;margin:30px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:st}
.steps li{counter-increment:st;border-top:4px solid var(--ink);padding-top:18px}
.steps li::before{content:"0" counter(st);display:block;font-weight:900;font-size:30px;color:var(--orange-d);margin-bottom:6px}
.steps p{color:var(--muted);font-size:16px}

/* ceny */
.prices{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:6px 0 26px}
.price{background:var(--ink);color:#fff;border-radius:16px;padding:30px}
.price .cap{font-size:15px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#a9bccb}
.price .amt{font-size:clamp(30px,3.6vw,42px);font-weight:900;letter-spacing:-.03em;line-height:1.1;margin-top:8px}
.price .amt small{font-size:17px;font-weight:700;color:#a9bccb;letter-spacing:0}
.price .gross{margin-top:6px;color:#e3edf4}
.price .meta{margin-top:12px;font-size:15px;color:#a9bccb}

/* tabela */
.table-wrap{overflow-x:auto;margin:22px 0 6px;-webkit-overflow-scrolling:touch}
.tbl{width:100%;border-collapse:collapse;font-size:16px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tbl th{background:var(--ink);color:#fff;text-align:left;font-size:15px;padding:13px 16px}
.tbl td{padding:14px 16px;border-top:1px solid var(--line);vertical-align:top}
.tbl .sub{font-size:15px;color:var(--muted)}
.price-tbl{min-width:560px}
.article .tbl{margin-top:0}

/* schemat */
.diagram-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.diagram{width:100%;height:auto}
.legend{list-style:none;padding:0;margin:16px 0 0;counter-reset:lg;display:grid;gap:8px;font-size:16px}
.legend li{counter-increment:lg;display:flex;align-items:center;gap:10px}
.legend li::before{content:counter(lg);flex:none;display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;font-weight:800;font-size:15px}
.legend li:first-child::before{background:var(--orange)}
.legend li:last-child::before{background:var(--green)}
.sw{flex:none;width:16px;height:16px;border-radius:4px;border:1px solid rgba(0,0,0,.25)}
.s-fat{background:var(--fat)}.s-water{background:var(--water)}.s-sludge{background:var(--sludge)}

/* galeria */
.gal3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.gal3 figure,.gallery{margin:0}
.gal3 img,.gallery img{border-radius:12px;border:1px solid var(--line);width:100%;aspect-ratio:4/3;object-fit:cover}
figcaption,.cap{font-size:15px;color:var(--muted);margin-top:8px}

/* faq */
.faq{margin-top:20px}
details{border-top:1px solid var(--line);padding:0}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:800;font-size:18px;padding:18px 36px 18px 0;list-style:none;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:6px;top:14px;font-size:28px;font-weight:600;color:var(--orange-d);line-height:1}
details[open] summary::after{content:"−"}
.ans{padding:0 0 20px;color:var(--muted);max-width:46em}
.ans a{font-weight:700}

/* pasek CTA */
.cta-band{background:var(--ink);color:#fff;padding:56px 0}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{margin-bottom:8px}
.cta-band p{color:#c3d1dc;max-width:36em}

/* artykuł */
.article{max-width:820px}
.article h2{margin-top:44px}
.article h2:first-child{margin-top:0}
.big-phone{font-size:clamp(32px,5vw,48px);font-weight:900;letter-spacing:-.03em;line-height:1.1;margin-bottom:10px}
.big-phone a{color:var(--ink);text-decoration:none}
.firm p{margin:0 0 12px;font-size:16px}

/* stopka */
.foot{background:#0a141c;color:#c3d1dc;padding:52px 0 28px;font-size:16px}
.foot a{color:#e9f1f7}
.foot-grid{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:40px}
.foot-brand{font-size:26px;font-weight:900;color:#fff;margin-bottom:8px}
.foot-h{font-weight:800;color:#fff;margin-bottom:10px}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{padding:4px 0}
.copy{margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:15px;color:#8fa3b3}

/* responsywność */
@media (max-width:960px){
.hero-grid,.two{grid-template-columns:1fr;gap:34px}
.cards.six{grid-template-columns:1fr 1fr}
.steps{grid-template-columns:1fr 1fr}
.gal3{grid-template-columns:1fr 1fr}
.foot-grid{grid-template-columns:1fr 1fr}
.top nav{display:none}
section{padding:60px 0}
}
@media (max-width:620px){
.wrap{width:calc(100% - 32px)}
.top-in{min-height:62px}
.brand{font-size:21px}
.brand span{font-size:14px}
.btn.call span{font-size:16px}
.btn.big{width:100%}
.actions{flex-direction:column}
.cards.six,.steps,.gal3,.prices,.foot-grid{grid-template-columns:1fr}
.hero{padding:34px 0 44px}
section{padding:48px 0}
.price{padding:24px}
.tbl th,.tbl td{padding:12px}
.cta-in{flex-direction:column;align-items:stretch}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}