/* ===== SparkFab — style (ciemny motyw) ===== */
[hidden]{display:none!important}
:root{
  color-scheme:dark;
  --bg:#131419;
  --bg-muted:#181a20;
  --surface:#1e2027;
  --surface-2:#23252e;
  --ink:#eceef2;
  --ink-soft:#9a9db0;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --accent:#ff5c2a;
  --accent-dark:#e04a1c;
  --dark:#0f1013;
  --radius:14px;
  --font-head:'Sora',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--font-head);line-height:1.15;font-weight:700}
a{color:inherit;text-decoration:none}
img{max-width:100%}

.container{max-width:1100px;margin:0 auto;padding:0 20px}
.container--narrow{max-width:720px}

/* ===== NAV ===== */
.nav{position:sticky;top:0;z-index:50;background:rgba(19,20,25,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav__inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-head);font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.brand__mark{display:block;flex:none}
.brand__accent{color:var(--accent)}
.brand__word{position:relative}
.brand__word::after{content:"";position:absolute;left:.02em;bottom:-.18em;width:.6em;height:.14em;background:var(--accent);border-radius:.07em}
.nav__links{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:.94rem;font-weight:500;color:var(--ink-soft)}
.nav__links a:hover{color:var(--ink)}
.nav__links a.nav__cta-inline{display:none}
.nav__toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;margin-left:auto;background:none;border:0;cursor:pointer;padding:10px}
.nav__toggle span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#fff;font-family:var(--font-head);font-weight:600;
  padding:13px 22px;border:none;border-radius:10px;cursor:pointer;font-size:.98rem;
  transition:background .15s,transform .15s;
}
.btn:hover{background:var(--accent-dark)}
.btn:active{transform:translateY(1px)}
.btn:disabled{background:#33353d;color:#7a7d88;cursor:not-allowed}
.btn--sm{padding:9px 16px;font-size:.9rem}
.btn--full{width:100%}
.linklike{background:none;border:none;color:var(--accent);cursor:pointer;font-size:.85rem;text-decoration:underline}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#15161c 0%,#20222b 58%,#2a2016 100%);color:#fff;padding:80px 0 70px}
.hero__bg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}
.hero__inner{position:relative;z-index:1}
.hero h1{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:800;letter-spacing:-.03em}
.hero__lead{margin:20px 0 40px;font-size:1.15rem;color:#c7c9d2;max-width:560px}
.hero__paths{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:680px}
.path-card{
  display:flex;flex-direction:column;gap:6px;padding:22px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);
  transition:border-color .15s,background .15s,transform .15s;
}
.path-card:hover{border-color:var(--accent);background:rgba(255,92,42,.1);transform:translateY(-2px)}
.path-card__icon{font-size:1.7rem}
.path-card__title{font-family:var(--font-head);font-weight:600;font-size:1.05rem}
.path-card__desc{font-size:.9rem;color:#b9bcc6}

/* ===== SECTIONS ===== */
.section{padding:70px 0}
.section--muted{background:var(--bg-muted)}
.section__title{font-size:clamp(1.6rem,3.5vw,2.3rem);font-weight:700;letter-spacing:-.02em;padding-bottom:14px;position:relative}
.section__title::after{content:"";position:absolute;left:0;bottom:0;width:44px;height:4px;background:var(--accent);border-radius:3px}
.section__sub{margin-top:10px;color:var(--ink-soft);max-width:600px}

/* ===== KALKULATOR ===== */
.calc{
  margin-top:36px;display:grid;gap:20px;
  grid-template-columns:1.1fr .9fr;grid-template-areas:"viewer form" "result result";
}
.calc__viewer{grid-area:viewer}
.calc__form{grid-area:form;display:flex;flex-direction:column;gap:16px}
.calc__result{grid-area:result}

.dropzone{
  position:relative;border:2px dashed var(--line-strong);border-radius:var(--radius);
  background:var(--surface);min-height:340px;display:flex;align-items:center;justify-content:center;
  cursor:pointer;overflow:hidden;transition:border-color .15s,background .15s;
}
.dropzone.is-drag{border-color:var(--accent);background:rgba(255,92,42,.08)}
.dropzone__prompt{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;padding:24px;color:var(--ink-soft)}
.dropzone__prompt strong{color:var(--ink);font-family:var(--font-head);font-size:1.05rem}
.dropzone__prompt small{margin-top:8px;font-size:.78rem;max-width:260px}
.dropzone__icon{font-size:2rem;color:var(--accent)}
.viewer{position:absolute;inset:0;width:100%;height:100%}
.viewer canvas{display:block}
.viewer__hint{margin-top:8px;font-size:.8rem;color:var(--ink-soft);text-align:center}
.file-meta{margin-top:10px;display:flex;gap:12px;align-items:center;font-size:.88rem;color:var(--ink-soft)}
.file-meta #fileName{font-weight:600;color:var(--ink)}

.field{display:flex;flex-direction:column;gap:6px}
.field label,.field .label{font-weight:600;font-size:.9rem}
.field small{font-size:.78rem;color:var(--ink-soft)}
.field input[type=text],.field input[type=email],.field input[type=tel],
.field input[type=number],.field select,.field textarea{
  font-family:var(--font-body);font-size:.95rem;padding:11px 12px;
  border:1px solid var(--line-strong);border-radius:9px;background:#15161c;color:var(--ink);
}
.field input::placeholder,.field textarea::placeholder{color:#6a6d7c}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
.field input[type=range]{accent-color:var(--accent)}
.field--row{flex-direction:row;align-items:center}
.check{display:flex;align-items:center;gap:8px;font-weight:500;font-size:.92rem;cursor:pointer}
.check input{accent-color:var(--accent);width:16px;height:16px}
.check--consent{margin-top:4px;font-size:.85rem;color:var(--ink-soft)}
.radio-row{display:flex;gap:20px;flex-wrap:wrap}

/* ===== WYNIK ===== */
.calc__result{background:var(--surface);border:1px solid var(--line);color:var(--ink);border-radius:var(--radius);padding:26px}
.result{display:grid;grid-template-columns:1fr 1fr;gap:14px 26px}
.result>div{display:flex;flex-direction:column;gap:2px}
.result dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft)}
.result dd{font-family:var(--font-head);font-weight:600;font-size:1.05rem}
.result__total dd{color:var(--accent);font-size:1.7rem;font-weight:800}
.result__total{grid-column:1/-1;padding-top:12px;border-top:1px solid var(--line)}
.result__note{margin:16px 0 18px;font-size:.8rem;color:var(--ink-soft)}
.warn{background:rgba(255,92,42,.14);border:1px solid var(--accent);color:#ffcbb8;padding:10px 14px;border-radius:9px;font-size:.85rem;margin-bottom:16px}

/* ===== STEPS ===== */
.steps{list-style:none;margin-top:36px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.steps li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.steps__n{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;font-family:var(--font-head);font-weight:700;margin-bottom:12px}
.steps strong{display:block;font-family:var(--font-head);margin-bottom:4px}
.steps p{font-size:.9rem;color:var(--ink-soft)}

/* ===== MATERIAŁY ===== */
.materials{margin-top:36px;display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:16px}
.mat{display:flex;flex-direction:column;gap:8px;border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:var(--surface)}
.mat h3{font-size:1.1rem}
.mat__tag{font-size:.72rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.06em}
.mat__char{font-size:.88rem;color:var(--ink-soft);line-height:1.55}
.mat__uses{font-size:.85rem;color:var(--ink-soft);line-height:1.55;margin-top:2px}
.mat__uses strong{color:var(--ink);font-weight:600}

/* ===== GALERIA ===== */
.gallery{margin-top:36px;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.gallery__item{margin:0}
.gallery__item img,.gallery__ph{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line);background:#15161c}
.gallery__ph{display:flex;align-items:center;justify-content:center;color:var(--ink-soft);font-size:.85rem;background:repeating-linear-gradient(45deg,#191b21,#191b21 10px,#202229 10px,#202229 20px)}
.gallery figcaption{margin-top:8px;font-size:.85rem;color:var(--ink-soft)}

/* ===== O MNIE ===== */
.about{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.about p{font-size:1rem;color:var(--ink)}
.about strong{color:#fff}

/* ===== FAQ ===== */
.faq{margin-top:26px;display:flex;flex-direction:column;gap:10px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:4px 4px}
.faq summary{cursor:pointer;font-family:var(--font-head);font-weight:600;font-size:.98rem;padding:14px 16px;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:1.3rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 16px 16px;font-size:.92rem;color:var(--ink-soft)}
.faq details p strong{color:var(--ink)}

/* ===== KONTAKT INFO ===== */
.contact-info{list-style:none;margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.contact-info li{font-size:.9rem;color:var(--ink-soft)}
.contact-info strong{color:var(--ink);display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}
.contact-info a{color:var(--accent);font-weight:600}

/* ===== FORM ===== */
.form{margin-top:30px;display:flex;flex-direction:column;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.field-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.hp{position:absolute;left:-9999px;opacity:0}
.form-status{padding:12px 14px;border-radius:9px;font-size:.9rem;font-weight:500}
.form-status.ok{background:rgba(46,199,122,.14);color:#63d89c}
.form-status.err{background:rgba(255,92,42,.14);color:#ff8a63}

/* ===== FOOTER ===== */
.footer{background:var(--dark);color:var(--ink-soft);padding:28px 0;border-top:1px solid var(--line)}
.footer__inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem}

/* ===== RESPONSIVE ===== */
/* ===== TABLET / duży telefon (≤860px) ===== */
@media (max-width:860px){
  .calc{grid-template-columns:1fr;grid-template-areas:"viewer" "form" "result"}
  .steps{grid-template-columns:1fr 1fr}

  .nav__toggle{display:flex}
  .nav__cta{display:none}
  .nav__links a.nav__cta-inline{display:inline-flex;width:100%;margin-top:6px;border-bottom:0}
  .nav__links{
    position:absolute;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:0;
    background:#15161c;border-bottom:1px solid var(--line);
    padding:8px 20px 16px;margin:0;
    max-height:0;overflow:hidden;visibility:hidden;
    transition:max-height .25s ease,visibility .25s;
  }
  .nav__links.is-open{max-height:440px;visibility:visible}
  .nav__links a{padding:13px 4px;font-size:1rem;border-bottom:1px solid var(--line)}
  .nav__links a:last-of-type{border-bottom:0}
}

/* ===== TELEFON (≤560px) ===== */
@media (max-width:560px){
  .section{padding:52px 0}
  .hero{padding:56px 0 52px}
  .hero h1{font-size:2rem}
  .hero__lead{font-size:1.05rem;margin:16px 0 32px}
  .section__title{font-size:1.55rem}
  .hero__paths{grid-template-columns:1fr;gap:12px}
  .path-card{padding:18px}
  .calc,.materials,.gallery,.about,.faq,.form{margin-top:24px}
  .materials{grid-template-columns:1fr}
  .field-2{grid-template-columns:1fr;gap:14px}
  .result{grid-template-columns:1fr;gap:12px}
  .result__total dd{font-size:1.5rem}
  .steps{grid-template-columns:1fr;gap:12px}
  .contact-info{grid-template-columns:1fr}
  .form{padding:20px}
  .footer__inner{flex-direction:column;text-align:center}
  .dropzone{min-height:260px}
  .calc__result{padding:20px}
  .check{padding:5px 0}
  .radio-row{gap:6px 20px}
  .contact-info li{padding:3px 0}
  .brand{padding:6px 0}
  /* na wąskim ekranie dekoracja hero = tylko poświata, bez ucinanego trójkąta */
  .hero__mark{display:none}
  .hero__bg{opacity:.7}
}

@media (max-width:380px){
  .hero h1{font-size:1.8rem}
  .container{padding:0 16px}
}