/* Ads Fundamenty · wspólny arkusz stylów (strona główna, landing serii, polityka) */
@font-face{font-family:Inter;font-weight:400;font-display:swap;src:url(fonts/Inter-Regular.woff2) format('woff2')}
@font-face{font-family:Inter;font-weight:500;font-display:swap;src:url(fonts/Inter-Medium.woff2) format('woff2')}
@font-face{font-family:Inter;font-weight:600;font-display:swap;src:url(fonts/Inter-SemiBold.woff2) format('woff2')}
@font-face{font-family:Inter;font-weight:700;font-display:swap;src:url(fonts/Inter-Bold.woff2) format('woff2')}
@font-face{font-family:Inter;font-weight:800;font-display:swap;src:url(fonts/Inter-ExtraBold.woff2) format('woff2')}
@font-face{font-family:Lora;font-weight:400 700;font-display:swap;src:url(fonts/Lora.woff2) format('woff2')}
@font-face{font-family:Lora;font-style:italic;font-weight:400 700;font-display:swap;src:url(fonts/Lora-Italic.woff2) format('woff2')}

:root{
  --ground:#191614; --panel:#221e1b; --rule-d:#3a322c; --on-dark:#f4ede4; --soft-d:#bfb2a3;
  --paper:#fbf8f3; --ink:#1d1a17; --muted:#6f655c; --line:#e6ddd2;
  --t1:#c4502b; --t2:#2f6db5; --t3:#a8833a; --ga:#3f8f5a;
  --accent:var(--t1);
  --display:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Lora",Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.65 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding-inline:20px}
.narrow{max-width:680px}
section{padding-block:72px}
.dark{background:var(--ground);color:var(--on-dark)}
.eyebrow{font:600 12px/1.2 var(--display);letter-spacing:.26em;text-transform:uppercase;color:var(--muted)}
.dark .eyebrow{color:var(--soft-d)}
.bars{display:flex;gap:6px;margin:16px 0 26px}.bars i{display:block;width:36px;height:6px}
h1,h2,h3{font-family:var(--display);letter-spacing:-.02em;text-wrap:balance;margin:0}
h1{font-weight:800;font-size:clamp(38px,6.4vw,64px);line-height:1.02}
h2{font-weight:800;font-size:clamp(28px,4vw,40px);line-height:1.08;margin-bottom:22px}
h3{font-weight:700;font-size:20px;line-height:1.25;margin-bottom:8px}
h1 span,h2 span{color:var(--accent)}
p{margin:0 0 16px}
.lead{font-style:italic;font-size:20px;line-height:1.55;color:#4a423b;max-width:36em}
.dark .lead{color:#e2d7ca}
.small{font:400 14px/1.55 var(--display);color:var(--muted)}
.dark .small{color:var(--soft-d)}

/* nawigacja */
.top{background:var(--ground);color:var(--on-dark)}
.top .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:18px;flex-wrap:wrap}
.brand{font:700 14px var(--display);letter-spacing:.22em;text-transform:uppercase;text-decoration:none;display:flex;align-items:center;gap:10px}
.brand img{width:26px;height:auto}
.top nav{display:flex;gap:20px;flex-wrap:wrap}
.top nav a{font:500 14px var(--display);color:var(--soft-d);text-decoration:none}
.top nav a:hover{color:var(--on-dark)}

/* przyciski */
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{display:inline-block;font:700 16px/1 var(--display);text-decoration:none;padding:17px 22px;border:1.5px solid var(--accent);color:inherit;transition:background .15s,color .15s}
.btn.primary{background:var(--accent);color:#fff}
.btn:hover{background:var(--accent);color:#fff}
.btn:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* hero */
.hero{padding-block:64px 80px}
.hero .grid{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center}
.hero .cover{box-shadow:0 30px 60px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.06);transform:rotate(2deg);max-width:320px;margin-left:auto}
.hero h1{margin:6px 0 22px}

/* historia */
.story{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.quote{font:italic 24px/1.45 var(--body);border-left:3px solid var(--accent);padding-left:22px;margin:0 0 22px}
.tally{border-top:2px solid var(--ink)}
.tally div{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line);font:500 16px/1.4 var(--display)}
.tally b{font-weight:800;white-space:nowrap;font-variant-numeric:tabular-nums}
.tally .sum{border-bottom:0;padding-top:18px}
.tally .sum b{font-size:30px;color:var(--accent);letter-spacing:-.02em}

/* kalkulator */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.mode{display:flex;border:1px solid var(--rule-d);width:max-content;max-width:100%;margin-bottom:22px}
.mode button{font:600 14px/1 var(--display);background:transparent;color:var(--soft-d);border:0;padding:12px 14px;cursor:pointer}
.mode button[aria-pressed="true"]{background:var(--on-dark);color:var(--ground)}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font:600 13px/1.3 var(--display);color:var(--soft-d)}
.inbox{display:flex;align-items:center;border-bottom:2px solid var(--rule-d)}
.inbox:focus-within{border-color:var(--accent)}
.fields input{flex:1;min-width:0;background:transparent;border:0;color:var(--on-dark);font:700 26px/1.2 var(--display);padding:4px 0;font-variant-numeric:tabular-nums;-moz-appearance:textfield}
.fields input::-webkit-outer-spin-button,.fields input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.unit{font:500 13px var(--display);color:var(--soft-d);padding-left:6px;white-space:nowrap}
.bill{background:var(--panel);border-top:3px solid var(--accent);padding:24px}
.bill .eyebrow{color:var(--accent)}
.total{font:800 clamp(40px,7vw,58px)/1 var(--display);letter-spacing:-.03em;margin:12px 0 8px;font-variant-numeric:tabular-nums}
.lines div{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--rule-d);font:500 15px/1.35 var(--display)}
.lines div span{color:var(--soft-d)}
.lines b{white-space:nowrap;font-variant-numeric:tabular-nums}
.lines .next b{color:#ff8a4c}

/* karty tomów i produktów */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-top:4px solid var(--c,var(--accent))}
.card img{aspect-ratio:1284/1818;object-fit:cover;width:100%}
.card .in{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card .vol{font:700 12px var(--display);letter-spacing:.2em;text-transform:uppercase;color:var(--c,var(--accent));margin-bottom:6px}
.card p{font-size:16px;line-height:1.55}
.card ul{margin:0 0 18px;padding-left:18px;font-size:15px;line-height:1.5}
.card li{margin-bottom:6px}
.card .meta{font:500 13px var(--display);color:var(--muted);margin-top:auto;padding-top:8px}
.card .buy{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:14px}
.card .price{font:800 26px var(--display);letter-spacing:-.02em;white-space:nowrap}
.card .btn{padding:13px 16px;font-size:15px;border-color:var(--c,var(--accent))}
.card .btn:hover{background:var(--c,var(--accent))}
.note{font:500 15px/1.5 var(--display);color:var(--muted);margin-top:26px}

.bundle{margin-top:28px;display:flex;justify-content:space-between;align-items:center;gap:28px;background:var(--ground);color:var(--on-dark);padding:28px 30px;border-left:6px solid var(--t1)}
.bundle .eyebrow{color:var(--soft-d)}.bundle h3{font-size:24px;margin:6px 0 8px}.bundle p{margin:0;font-size:16px;color:#e2d7ca}
.bundle .btn{white-space:nowrap}
.offer .btns .btn{margin-top:0}
@media (max-width:760px){.bundle{flex-direction:column;align-items:flex-start}.bundle .btn{white-space:normal}}
/* dla kogo */
.two{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.box{padding:26px;background:#fff;border:1px solid var(--line)}
.box.yes{border-top:4px solid var(--ga)}.box.no{border-top:4px solid var(--t1)}
.box ul{margin:0;padding-left:20px}.box li{margin-bottom:8px}

/* autor */
.author{display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:start}
.author .photo{width:100%;filter:grayscale(1);box-shadow:0 24px 50px rgba(0,0,0,.35)}
.author .mono{width:200px;height:200px;background:var(--ground);display:flex;align-items:center;justify-content:center;font:800 64px var(--display);color:var(--on-dark);letter-spacing:-.04em}
.author .mono span{color:var(--accent)}

/* cennik */
.prices{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.price-tile{background:#fff;border:1px solid var(--line);padding:24px 20px;display:flex;flex-direction:column;gap:10px}
.price-tile .name{font:700 15px/1.35 var(--display)}
.price-tile .amount{font:800 34px/1 var(--display);letter-spacing:-.03em}
.price-tile .was{font:500 14px var(--display);color:var(--muted)}
.price-tile .btn{margin-top:auto;text-align:center;padding:13px 14px;font-size:15px}
.price-tile.best{background:var(--ground);color:var(--on-dark);border-color:var(--ground)}
.price-tile.best .was{color:var(--soft-d)}
.tag{align-self:flex-start;font:700 11px var(--display);letter-spacing:.16em;text-transform:uppercase;background:var(--accent);color:#fff;padding:5px 8px}

/* FAQ */
details{border-bottom:1px solid var(--line);padding:18px 0}
summary{font:700 18px/1.35 var(--display);cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-weight:400;color:var(--accent)}
details[open] summary::after{content:"–"}
details p{margin:12px 0 0}

/* usługi (strona główna) */
.lines-2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.offer{display:grid;grid-template-columns:150px 1fr;gap:24px;background:#fff;border:1px solid var(--line);padding:24px}
.offer img{box-shadow:0 12px 26px rgba(0,0,0,.18)}
.offer .btn{padding:13px 16px;font-size:15px;margin-top:6px}
.svc{padding:26px;border:1px solid var(--rule-d);background:var(--panel)}
.contact{font:700 22px var(--display);user-select:all;word-break:break-all}

/* stopka */
footer{background:var(--ground);color:var(--soft-d);padding-block:36px;font:400 14px/1.6 var(--display)}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer a{color:var(--soft-d)}

/* tekst prawny */
.legal h2{font-size:24px;margin:36px 0 12px}
.legal p,.legal li{font-size:17px}

@media (max-width:860px){
  section{padding-block:56px}
  .hero .grid,.story,.calc,.two,.author,.lines-2{grid-template-columns:1fr;gap:32px}
  .hero .cover{margin:0 auto;max-width:240px}
  .cards{grid-template-columns:1fr;max-width:440px}
  .prices{grid-template-columns:1fr 1fr}
  .author .photo{max-width:260px}
}
@media (max-width:520px){
  body{font-size:17px}
  .fields,.prices{grid-template-columns:1fr}
  .offer{grid-template-columns:1fr}
  .offer img{max-width:160px}
  .btn{width:100%;text-align:center}
  .card .btn{width:auto}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}