/* WELAVIA — premium-minimal. Antracyt profili alu + światło. */
:root{
  --ink:#22272c;         /* antracyt — kolor stolarki */
  --ink-2:#3a4149;
  --paper:#ffffff;
  --mist:#f4f6f8;        /* jasne tło sekcji */
  --line:#e3e7ea;
  --accent:#c98a4b;      /* ciepły dębowy akcent */
  --accent-ink:#a96f36;
  --max:1120px;
  --r:14px;
  font-size:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
section[id],div[id]{scroll-margin-top:84px}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,.logo{font-family:'Sora','Inter',system-ui,sans-serif;line-height:1.15;letter-spacing:-.015em}
img,svg{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.topbar{background:var(--ink);color:#cfd6dc;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:6px;padding-bottom:6px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:700;font-size:1.45rem;text-decoration:none;color:var(--ink)}
.logo span{color:var(--accent)}
nav.main{display:flex;gap:26px;align-items:center}
nav.main a{text-decoration:none;font-size:.95rem;font-weight:500;color:var(--ink-2)}
nav.main a:hover{color:var(--ink)}
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;font-weight:600;padding:.8rem 1.5rem;border-radius:999px;border:0;cursor:pointer;font-size:.95rem;transition:transform .15s ease,background .15s ease}
.btn:hover{background:#000;transform:translateY(-1px)}
.btn.accent{background:var(--accent)}
.btn.accent:hover{background:var(--accent-ink)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger svg{width:26px;height:26px}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,#eef2f5 0%,#fff 90%);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero h1{font-size:clamp(1.9rem,4.2vw,3rem);margin-bottom:18px}
.hero p.lead{font-size:1.12rem;color:var(--ink-2);margin-bottom:26px;max-width:34rem}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.note{font-size:.85rem;color:var(--ink-2);margin-top:14px}
.badges{display:flex;gap:18px;flex-wrap:wrap;margin-top:30px}
.badge{display:flex;gap:9px;align-items:center;font-size:.86rem;font-weight:600;color:var(--ink-2)}
.badge svg{width:20px;height:20px;flex:none;color:var(--accent)}

/* ---------- sections ---------- */
section{padding:64px 0}
section.tint{background:var(--mist)}
.kicker{color:var(--accent-ink);font-weight:700;text-transform:uppercase;letter-spacing:.09em;font-size:.78rem;margin-bottom:10px}
h2.sec{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:14px;max-width:36rem}
p.sub{color:var(--ink-2);max-width:40rem;margin-bottom:36px}

/* oferta */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;display:flex;flex-direction:column;gap:10px;text-decoration:none;transition:box-shadow .2s ease,transform .2s ease}
.card:hover{box-shadow:0 12px 32px rgba(30,38,46,.10);transform:translateY(-3px)}
.card .ico{width:46px;height:46px;color:var(--ink);margin-bottom:4px}
.card h3{font-size:1.08rem}
.card p{font-size:.9rem;color:var(--ink-2);flex:1}
.card .price{font-weight:700;font-size:.92rem}
.card .price small{font-weight:500;color:var(--ink-2)}
.card .more{color:var(--accent-ink);font-weight:600;font-size:.88rem}

/* proces */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 20px;position:relative}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-16px;left:20px;width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.95rem}
.step h3{font-size:1rem;margin:10px 0 6px}
.step p{font-size:.88rem;color:var(--ink-2)}

/* dlaczego my */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.why div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 20px}
.why h3{font-size:1rem;margin-bottom:8px;display:flex;gap:10px;align-items:center}
.why h3 svg{width:20px;height:20px;color:var(--accent);flex:none}
.why p{font-size:.9rem;color:var(--ink-2)}

/* formularz-konfigurator */
.config{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
form.lead-form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;box-shadow:0 16px 44px rgba(30,38,46,.08)}
form.lead-form .grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;padding:.7rem .85rem;border:1.5px solid var(--line);border-radius:9px;font:inherit;font-size:.95rem;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.78rem;color:var(--ink-2);margin:14px 0}
.consent input{margin-top:3px}
form .btn{width:100%}
.form-note{font-size:.8rem;color:var(--ink-2);margin-top:12px;text-align:center}

/* obszar */
.area-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.area-tags span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.35rem .9rem;font-size:.86rem;font-weight:500}

/* FAQ */
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:10px}
details summary{cursor:pointer;font-weight:600;font-size:.98rem;list-style:none;display:flex;justify-content:space-between;gap:12px}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";font-weight:700;color:var(--accent-ink)}
details[open] summary::after{content:"–"}
details p{margin-top:10px;font-size:.92rem;color:var(--ink-2)}

/* product page */
.p-hero{background:linear-gradient(180deg,#eef2f5,#fff)}
.p-hero .wrap{padding-top:52px;padding-bottom:44px;max-width:820px}
.p-hero h1{font-size:clamp(1.7rem,3.6vw,2.5rem);margin-bottom:14px}
.p-hero p{color:var(--ink-2);font-size:1.05rem}
.p-body .wrap{max-width:820px}
.p-body h2{font-size:1.35rem;margin:34px 0 12px}
.p-body ul{margin:12px 0 12px 20px;color:var(--ink-2)}
.p-body li{margin-bottom:6px}
.p-body p{color:var(--ink-2);margin-bottom:12px}
.price-box{background:var(--mist);border:1px solid var(--line);border-radius:var(--r);padding:22px;margin:22px 0}
.price-box strong{font-size:1.25rem}
.price-box .src{display:block;font-size:.76rem;color:var(--ink-2);margin-top:6px}
.cta-band{background:var(--ink);color:#fff;border-radius:var(--r);padding:34px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin:44px 0}
.cta-band h3{font-size:1.3rem}
.cta-band p{color:#c8cfd6;font-size:.95rem}

/* footer */
footer{background:var(--ink);color:#aeb7bf;font-size:.88rem;margin-top:40px}
footer .wrap{padding:44px 20px 30px;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:34px}
footer h4{color:#fff;font-size:.95rem;margin-bottom:12px}
footer a{color:#dfe4e8;text-decoration:none}
footer a:hover{text-decoration:underline}
footer li{list-style:none;margin-bottom:7px}
footer .legal{border-top:1px solid #39414a;padding:16px 20px;text-align:center;font-size:.78rem;color:#8d97a1}

/* utilities */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
.mt{margin-top:26px}

@media(max-width:920px){
  .hero .wrap{grid-template-columns:1fr;padding-top:44px;padding-bottom:44px}
  .hero .art{order:-1;max-width:520px}
  .cards{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr;row-gap:28px}
  .why{grid-template-columns:1fr}
  .config{grid-template-columns:1fr}
  footer .wrap{grid-template-columns:1fr}
  nav.main{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:18px 20px;border-bottom:1px solid var(--line);gap:16px}
  nav.main.open{display:flex}
  .burger{display:block}
}
@media(max-width:560px){
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  form.lead-form .grid2{grid-template-columns:1fr}
  .topbar .wrap{justify-content:center}
}