/* ==========================================================================
   KONOPKA SP Z O O — design tokens
   "Konopka" (pol.) — the linnet, a small songbird. The visual idea is a
   flight line: thin ochre strokes cutting across pine-green and oat paper.
   Deliberately no cards, no rounded SaaS boxes — hairlines and open space.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@500;600;700&family=Karla:wght@400;500;600&display=swap');

:root{
  --pine:      #14342a;   /* primary ink */
  --pine-deep: #0d211b;   /* reversed sections */
  --oat:       #f6f3ea;   /* page */
  --oat-warm:  #ede8d6;
  --ochre:     #c2712a;   /* accent — the flight line */
  --sand:      #e3ddcc;   /* hairlines */
  --sand-dark: #2c4a3d;   /* hairlines on dark */
  --muted:     #5c6b62;
  --muted-lt:  #a6b3a9;

  --font-display: 'Syne', 'Trebuchet MS', sans-serif;
  --font-body: 'Karla', -apple-system, 'Segoe UI', sans-serif;

  --wrap: 1180px;
  --gutter: clamp(20px, 5vw, 60px);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
}

body{
  margin:0;
  background:var(--oat);
  color:var(--pine);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img,svg{ display:block; max-width:100%; }
a{ color:inherit; }
p{ margin:0; }

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.06;
  letter-spacing:-0.02em;
  margin:0;
}

.wrap{ max-width:var(--wrap); margin-inline:auto; padding-inline:var(--gutter); }

section{ padding-block:clamp(60px,9vw,110px); }
.rule-top{ border-top:1px solid var(--sand); }

/* section heading with an index rail */
.head{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:clamp(20px,4vw,48px);
  margin-bottom:clamp(34px,5vw,58px);
  align-items:start;
}
.head-idx{
  font-family:var(--font-display);
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ochre);
  padding-top:9px;
}
.head h2{ font-size:clamp(29px,4vw,45px); max-width:16ch; }
.head p{ margin-top:16px; color:var(--muted); max-width:54ch; }

@media (max-width:720px){
  .head{ grid-template-columns:1fr; gap:12px; }
  .head-idx{ padding-top:0; }
}

/* ------------------------------- header --------------------------------- */

.site-header{
  position:sticky; top:0; z-index:60;
  background:rgba(246,243,234,.93);
  backdrop-filter:saturate(150%) blur(9px);
  border-bottom:1px solid var(--sand);
}
.site-header .wrap{
  height:74px; display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.brand{
  display:flex; align-items:center; gap:11px;
  text-decoration:none; color:var(--pine);
  font-family:var(--font-display); font-weight:700;
  font-size:17px; letter-spacing:.02em;
}
.brand .bird{ width:34px; height:26px; flex:none; }
.brand small{
  display:block; font-family:var(--font-body); font-weight:400;
  font-size:10.5px; letter-spacing:.16em; color:var(--muted); margin-top:2px;
}

.nav{ display:flex; align-items:center; gap:30px; }
.nav ul{ list-style:none; display:flex; gap:26px; margin:0; padding:0; }
.nav a{ text-decoration:none; font-size:14.5px; padding-bottom:3px; position:relative; }
.nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:1.5px;
  background:var(--ochre); transform:scaleX(0); transform-origin:left;
  transition:transform .28s cubic-bezier(.3,.7,.3,1);
}
.nav a:hover::after{ transform:scaleX(1); }

.tel{
  display:inline-flex; align-items:center; gap:8px;
  font-size:14px; font-weight:600; text-decoration:none;
  border:1.5px solid var(--pine); padding:9px 15px; white-space:nowrap;
  transition:background .2s, color .2s;
}
.tel:hover{ background:var(--pine); color:var(--oat); }

.burger{
  display:none; background:none; border:0; cursor:pointer;
  width:34px; height:34px; position:relative; padding:0;
}
.burger span{
  position:absolute; left:6px; right:6px; height:1.6px; background:var(--pine);
  transition:transform .22s, opacity .22s;
}
.burger span:nth-child(1){ top:12px; }
.burger span:nth-child(2){ top:21px; }
.burger.open span:nth-child(1){ transform:translateY(4.5px) rotate(45deg); }
.burger.open span:nth-child(2){ transform:translateY(-4.5px) rotate(-45deg); }

@media (max-width:900px){
  .nav ul{ display:none; }
  .tel .txt{ display:none; }
  .burger{ display:block; }
  .site-header.open .nav{
    position:fixed; inset:74px 0 0 0; background:var(--oat);
    display:flex; flex-direction:column; padding:28px var(--gutter);
  }
  .site-header.open .nav ul{ display:flex; flex-direction:column; gap:0; width:100%; }
  .site-header.open .nav a{ display:block; padding:17px 0; border-bottom:1px solid var(--sand); font-size:21px; }
}

/* ------------------------------- hero ----------------------------------- */

.hero{ padding-top:clamp(50px,8vw,96px); padding-bottom:clamp(50px,8vw,96px); position:relative; overflow:hidden; }
.hero .wrap{ position:relative; z-index:2; }
.hero-kicker{
  font-size:13px; letter-spacing:.15em; text-transform:uppercase;
  color:var(--muted); margin-bottom:24px;
}
.hero h1{
  font-size:clamp(40px,7vw,80px);
  max-width:15ch;
}
.hero h1 em{ font-style:normal; color:var(--ochre); }
.hero-lede{
  margin-top:26px; max-width:50ch; font-size:18px; color:var(--muted);
}
.hero-cta{ display:flex; gap:13px; margin-top:36px; flex-wrap:wrap; }

.flight{
  position:absolute; right:-40px; top:50%; transform:translateY(-50%);
  width:min(560px,52vw); opacity:.9; z-index:1; pointer-events:none;
}
.flight .path{ fill:none; stroke:var(--ochre); stroke-width:1.4; stroke-dasharray:5 7; }
.flight .b{ fill:var(--pine); }
.flight .b.lite{ fill:var(--muted-lt); }
@media (max-width:900px){ .flight{ opacity:.35; right:-90px; } }

.btn{
  display:inline-flex; align-items:center; gap:9px;
  padding:14px 25px; font-size:15px; font-weight:600; font-family:var(--font-body);
  text-decoration:none; border:1.5px solid var(--pine); cursor:pointer;
}
.btn-fill{ background:var(--pine); color:var(--oat); }
.btn-fill:hover{ background:var(--pine-deep); }
.btn-line{ background:transparent; color:var(--pine); }
.btn-line:hover{ background:var(--pine); color:var(--oat); }

/* ------------------------------- services ------------------------------- */

.svc{ border-top:1px solid var(--sand); }
.svc-row{
  display:grid; grid-template-columns:70px 300px 1fr; gap:28px;
  padding-block:26px; border-bottom:1px solid var(--sand);
  transition:padding-left .25s ease;
}
.svc-row:hover{ padding-left:10px; }
.svc-no{ font-family:var(--font-display); font-size:14px; color:var(--ochre); padding-top:5px; }
.svc-row h3{ font-size:21px; }
.svc-row p{ color:var(--muted); max-width:56ch; font-size:15.5px; }
@media (max-width:820px){
  .svc-row{ grid-template-columns:52px 1fr; gap:6px 20px; }
  .svc-row p{ grid-column:2; }
}

/* ------------------------------- sectors -------------------------------- */

.sectors{
  display:grid; grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--sand); border-left:1px solid var(--sand);
}
.sector{
  padding:28px 24px 32px;
  border-right:1px solid var(--sand); border-bottom:1px solid var(--sand);
  min-height:170px; display:flex; flex-direction:column; justify-content:space-between;
}
.sector .tag{ font-size:12px; letter-spacing:.13em; text-transform:uppercase; color:var(--ochre); }
.sector h3{ font-size:19px; margin-top:22px; }
@media (max-width:880px){ .sectors{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .sectors{ grid-template-columns:1fr; } }

/* ------------------------------- process -------------------------------- */

.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(20px,3vw,34px); }
.step{ border-top:2px solid var(--pine); padding-top:20px; }
.step .n{ font-family:var(--font-display); font-size:34px; color:var(--ochre); line-height:1; }
.step h3{ font-size:18px; margin:16px 0 9px; }
.step p{ color:var(--muted); font-size:15px; }
@media (max-width:880px){ .steps{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .steps{ grid-template-columns:1fr; } }

/* ------------------------------- studio (dark) -------------------------- */

.dark{ background:var(--pine-deep); color:var(--oat); }
.dark .head p{ color:var(--muted-lt); }
.dark .head-idx{ color:var(--ochre); }
.studio-grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(30px,5vw,60px); }
.studio-copy p{ color:#cfd8d0; font-size:17px; max-width:50ch; }
.vals{ list-style:none; margin:0; padding:0; }
.vals li{ padding:20px 0; border-top:1px solid var(--sand-dark); display:grid; grid-template-columns:24px 1fr; gap:14px; }
.vals li:last-child{ border-bottom:1px solid var(--sand-dark); }
.vals .dot{ color:var(--ochre); font-family:var(--font-display); font-size:17px; }
.vals h4{ font-family:var(--font-body); font-weight:600; font-size:15.5px; margin:0 0 5px; }
.vals p{ color:var(--muted-lt); font-size:14.5px; }
@media (max-width:800px){ .studio-grid{ grid-template-columns:1fr; } }

/* ------------------------------- contact -------------------------------- */

.contact-grid{ display:grid; grid-template-columns:.85fr 1.15fr; gap:clamp(30px,6vw,70px); }
.info .row{ padding:17px 0; border-top:1px solid var(--sand); display:grid; grid-template-columns:96px 1fr; gap:14px; }
.info .row:last-child{ border-bottom:1px solid var(--sand); }
.info dt{ color:var(--muted); font-size:13.5px; }
.info dd{ margin:0; font-size:16px; }
.info a{ text-decoration:none; border-bottom:1px solid var(--ochre); }

.form{ display:flex; flex-direction:column; gap:17px; }
.f{ display:flex; flex-direction:column; gap:7px; }
.f label{ font-size:13.5px; color:var(--muted); }
.f input,.f select,.f textarea{
  border:0; border-bottom:1.5px solid var(--sand); background:transparent;
  padding:9px 2px; font-size:16px; font-family:inherit; color:var(--pine);
}
.f input:focus,.f select:focus,.f textarea:focus{ outline:none; border-bottom-color:var(--ochre); }
.f textarea{ resize:vertical; min-height:94px; }
.f2{ display:grid; grid-template-columns:1fr 1fr; gap:17px; }
@media (max-width:560px){ .f2{ grid-template-columns:1fr; } }
@media (max-width:800px){ .contact-grid{ grid-template-columns:1fr; } }
.note{ font-size:13px; color:var(--muted); }
.ok{ display:none; padding-top:14px; border-top:1px solid var(--sand); font-size:15px; }
.ok.show{ display:block; }

/* ------------------------------- footer --------------------------------- */

.site-footer{ background:var(--pine-deep); color:var(--oat); padding-block:52px 26px; }
.f-top{ display:grid; grid-template-columns:1.4fr .8fr .9fr; gap:36px; padding-bottom:36px; border-bottom:1px solid var(--sand-dark); }
.f-brand{ font-family:var(--font-display); font-weight:700; font-size:19px; }
.f-tag{ margin-top:13px; color:var(--muted-lt); max-width:38ch; font-size:14.5px; }
.f-col h5{ margin:0 0 13px; font-size:12px; letter-spacing:.13em; text-transform:uppercase; color:var(--ochre); font-weight:500; font-family:var(--font-body); }
.f-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:9px; }
.f-col a,.f-col li{ text-decoration:none; font-size:14.5px; color:#cfd8d0; }
.f-col a:hover{ color:var(--oat); }
.f-bot{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; padding-top:20px; font-size:13px; color:var(--muted-lt); }
.f-bot a{ color:var(--muted-lt); text-decoration:none; }
.f-bot a:hover{ color:var(--oat); }
@media (max-width:800px){ .f-top{ grid-template-columns:1fr; gap:26px; } }

/* ------------------------------- legal page ----------------------------- */

.legal-hero{ padding-top:clamp(46px,7vw,80px); padding-bottom:22px; }
.legal-hero .kick{ font-size:13px; letter-spacing:.15em; text-transform:uppercase; color:var(--ochre); margin-bottom:14px; }
.legal-hero h1{ font-size:clamp(33px,5vw,52px); }
.legal-date{ margin-top:14px; color:var(--muted); font-size:14.5px; }

.legal-body{ padding-top:6px; padding-bottom:78px; }
.legal-body .wrap{ display:grid; grid-template-columns:210px 1fr; gap:clamp(28px,5vw,56px); }
.toc{ position:sticky; top:96px; align-self:start; border-left:2px solid var(--ochre); padding-left:16px; }
.toc ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:9px; }
.toc a{ text-decoration:none; font-size:14px; color:var(--muted); }
.toc a:hover{ color:var(--pine); }

.legal h2{ font-size:22px; margin:44px 0 12px; scroll-margin-top:96px; }
.legal h2:first-child{ margin-top:0; }
.legal p{ color:var(--muted); margin-bottom:13px; max-width:66ch; }
.legal ul{ color:var(--muted); padding-left:20px; margin-bottom:13px; max-width:66ch; }
.legal li{ margin-bottom:6px; }
.legal strong{ color:var(--pine); }
@media (max-width:860px){
  .legal-body .wrap{ grid-template-columns:1fr; }
  .toc{ position:static; margin-bottom:28px; }
  .toc ul{ flex-direction:row; flex-wrap:wrap; gap:14px; }
}