/* ==========================================================================
   D&K WEB — Design System
   Digital Product & Web Agency — Kraków, Poland
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=JetBrains+Mono:ital,wght@0,400..800;1,400..800&display=swap');

:root{
  /* ---- color tokens ---- */
  --ink:#0b0b0c;
  --ink-soft:#1a1a1c;
  --paper:#faf9f6;
  --paper-dim:#f0eee7;
  --paper-line:rgba(11,11,12,0.12);
  --muted:#686660;
  --muted-on-dark:#a7a59d;
  --line-on-dark:rgba(250,249,246,0.14);
  --accent:#d8ff3e;
  --accent-ink:#161c00;
  --danger:#e0472c;

  --bg:var(--paper);
  --fg:var(--ink);

  /* ---- type ---- */
  --font-sans:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  --fs-2xl:clamp(2.75rem,1.4rem + 6.2vw,7.5rem);
  --fs-xl:clamp(2.1rem,1.2rem + 4vw,4.6rem);
  --fs-lg:clamp(1.5rem,1rem + 1.8vw,2.5rem);
  --fs-md:clamp(1.15rem,1rem + 0.4vw,1.4rem);
  --fs-body:1.05rem;
  --fs-sm:0.9rem;
  --fs-xs:0.78rem;

  /* ---- layout ---- */
  --gutter:clamp(1.25rem,1rem + 2vw,3.5rem);
  --max:1440px;
  --radius:2px;
  --ease:cubic-bezier(.16,1,.3,1);
}

/* ---- reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  background:var(--bg);
  color:var(--fg);
  font-family:var(--font-sans);
  font-size:var(--fs-body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{font-weight:600;letter-spacing:-0.02em;line-height:1.05;}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;}
}

/* ---- layout helpers ---- */
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter);}
.section{padding-block:clamp(4rem,3rem + 5vw,9rem);}
.section-tight{padding-block:clamp(2.5rem,2rem + 3vw,5rem);}
.dark{background:var(--ink);color:var(--paper);}
.dark .muted{color:var(--muted-on-dark);}
.accent-bg{background:var(--accent);color:var(--accent-ink);}
.muted{color:var(--muted);}
.grid{display:grid;gap:var(--gutter);}
.g-12{grid-template-columns:repeat(12,1fr);}
@media (max-width:900px){.g-12{grid-template-columns:repeat(6,1fr);}}
@media (max-width:600px){.g-12{grid-template-columns:repeat(2,1fr);}}

.tag{
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  text-transform:uppercase;
  letter-spacing:0.12em;
  display:inline-flex;
  align-items:center;
  gap:.5em;
  color:var(--muted);
}
.dark .tag{color:var(--muted-on-dark);}
.tag::before{
  content:'';
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  flex:none;
}

.eyebrow{font-family:var(--font-mono);font-size:var(--fs-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:1.1em;display:block;}
.dark .eyebrow{color:var(--muted-on-dark);}

h1.display,.h-2xl{font-size:var(--fs-2xl);}
.h-xl{font-size:var(--fs-xl);}
.h-lg{font-size:var(--fs-lg);font-weight:600;}
.h-md{font-size:var(--fs-md);font-weight:600;}
.lede{font-size:clamp(1.1rem,1rem + .6vw,1.5rem);line-height:1.4;color:var(--muted);max-width:38ch;}
.dark .lede{color:var(--muted-on-dark);}

/* ---- buttons ---- */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family:var(--font-mono);
  font-size:var(--fs-sm);
  letter-spacing:.02em;
  padding:1em 1.6em;
  border:1px solid currentColor;
  border-radius:100px;
  transition:background .35s var(--ease),color .35s var(--ease),transform .3s var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.btn-primary:hover{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);}
.dark .btn-primary{background:var(--paper);color:var(--ink);border-color:var(--paper);}
.dark .btn-primary:hover{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);}
.btn-ghost{background:transparent;}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.dark .btn-ghost:hover{background:var(--paper);color:var(--ink);}
.btn-arrow{transition:transform .35s var(--ease);}
.btn:hover .btn-arrow{transform:translateX(4px);}

.link-underline{
  position:relative;
  padding-bottom:.15em;
  background-image:linear-gradient(currentColor,currentColor);
  background-size:0% 1px;
  background-position:0 100%;
  background-repeat:no-repeat;
  transition:background-size .4s var(--ease);
}
.link-underline:hover{background-size:100% 1px;}

/* ---- header ---- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:1.1rem var(--gutter);
  display:flex;align-items:center;justify-content:space-between;
  transition:background .4s var(--ease),border-color .4s var(--ease),padding .3s var(--ease);
  border-bottom:1px solid transparent;
  mix-blend-mode:normal;
}
.site-header.is-scrolled{
  background:var(--paper);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--paper-line);
  padding-block:.8rem;
}
body.theme-dark-header .site-header,
.is-dark-hero .site-header:not(.is-scrolled){color:var(--paper);}
.site-header.is-scrolled{color:var(--ink);}

.logo{display:flex;align-items:center;gap:.6em;font-family:var(--font-mono);font-size:.85rem;letter-spacing:.02em;}
.logo img{height:22px;width:auto;}
.is-dark-hero .site-header:not(.is-scrolled) .logo img{filter:invert(1);}

.main-nav{display:flex;align-items:center;gap:clamp(1.2rem,1vw,2.4rem);}
.main-nav a{font-family:var(--font-mono);font-size:.82rem;letter-spacing:.02em;position:relative;}
.main-nav a.is-active{color:var(--accent-ink);}
.main-nav .btn{padding:.75em 1.3em;}

.nav-toggle{display:none;flex-direction:column;gap:5px;width:26px;}
.nav-toggle span{height:2px;background:currentColor;display:block;transition:transform .3s var(--ease),opacity .3s var(--ease);}

@media (max-width:860px){
  .main-nav{
    position:fixed;inset:0;
    background:var(--ink);color:var(--paper);
    flex-direction:column;justify-content:center;align-items:flex-start;
    padding:0 var(--gutter);
    gap:1.4rem;
    transform:translateY(-100%);
    transition:transform .5s var(--ease);
    z-index:99;
  }
  .main-nav a{font-size:1.6rem;font-family:var(--font-sans);font-weight:600;}
  .main-nav .btn{font-size:var(--fs-sm);font-family:var(--font-mono);font-weight:400;padding:.9em 1.6em;margin-top:.5rem;}
  .main-nav .lang-switch{font-size:.85rem;margin-top:.5rem;}
  .main-nav .lang-switch a{font-size:inherit;font-family:var(--font-mono);font-weight:400;}
  .nav-open .main-nav{transform:translateY(0);}
  .nav-toggle{display:flex;z-index:101;}
  .nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-open .nav-toggle span:nth-child(2){opacity:0;}
  .nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .nav-open{color:var(--paper) !important;}
  body.nav-open{overflow:hidden;}
}

/* ---- hero ---- */
.hero{
  min-height:100vh;
  display:flex;flex-direction:column;justify-content:center;
  padding-top:7rem;padding-bottom:3rem;
  position:relative;
}
.hero-media{position:absolute;inset:0;z-index:0;overflow:hidden;background:var(--ink);}
.hero-media img{
  width:100%;height:100%;object-fit:cover;object-position:center 35%;
  filter:grayscale(.55) contrast(1.05) brightness(.8);
}
.hero-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(165deg,rgba(11,11,12,.8) 0%,rgba(11,11,12,.62) 42%,rgba(11,11,12,.88) 100%);
}
.hero-accent-line{position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--accent);z-index:1;}
.hero-head{max-width:1100px;position:relative;z-index:1;}
.hero h1{margin-block:0.4em 0.5em;}
.hero-foot{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:2.5rem;align-items:flex-end;justify-content:space-between;margin-top:clamp(2rem,2rem + 3vw,5rem);}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;}
.hero-scroll{font-family:var(--font-mono);font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.14em;display:flex;align-items:center;gap:.7em;}
.hero-scroll .line{width:1px;height:38px;background:currentColor;opacity:.4;position:relative;overflow:hidden;}
.hero-scroll .line::after{content:'';position:absolute;top:0;left:0;width:100%;height:30%;background:var(--accent);animation:scrollline 2.2s infinite var(--ease);}
@keyframes scrollline{0%{transform:translateY(-100%);}100%{transform:translateY(330%);}}

/* ---- marquee ---- */
.marquee{
  border-top:1px solid var(--paper-line);
  border-bottom:1px solid var(--paper-line);
  padding-block:1.1rem;
  overflow:hidden;
  white-space:nowrap;
}
.dark .marquee{border-color:var(--line-on-dark);}
.marquee-track{display:inline-flex;animation:marquee 32s linear infinite;}
.marquee-track span{
  font-family:var(--font-mono);
  font-size:var(--fs-sm);
  letter-spacing:.03em;
  padding-inline:1.6rem;
  text-transform:uppercase;
  color:var(--muted);
  display:inline-flex;align-items:center;gap:1.6rem;
}
.dark .marquee-track span{color:var(--muted-on-dark);}
.marquee-track span::after{content:'—';color:var(--accent);}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---- section heads ---- */
.section-head{display:flex;justify-content:space-between;gap:2rem;align-items:flex-end;margin-bottom:clamp(2rem,2rem + 2vw,4rem);flex-wrap:wrap;}
.section-head .h-xl{max-width:14ch;}
.index-num{font-family:var(--font-mono);font-size:var(--fs-sm);color:var(--muted);}
.dark .index-num{color:var(--muted-on-dark);}

/* ---- work grid / cards ---- */
.work-list{display:flex;flex-direction:column;}
.work-row{
  display:grid;grid-template-columns:1fr 3fr 2fr auto;gap:2rem;align-items:center;
  padding-block:2.4rem;
  border-top:1px solid var(--paper-line);
  transition:background .3s var(--ease);
  position:relative;
}
.dark .work-row{border-color:var(--line-on-dark);}
.work-row:last-child{border-bottom:1px solid var(--paper-line);}
.dark .work-row:last-child{border-color:var(--line-on-dark);}
.work-row .wr-num{font-family:var(--font-mono);color:var(--muted);display:flex;align-items:center;gap:.9rem;}
.wr-thumb{width:52px;height:36px;flex:none;border-radius:4px;object-fit:cover;filter:grayscale(.5) contrast(1.05) brightness(.85);}
.work-row .wr-title{font-size:clamp(1.4rem,1rem + 1.6vw,2.4rem);font-weight:600;transition:color .3s var(--ease);}
.work-row .wr-tags{display:flex;gap:.5rem;flex-wrap:wrap;}
.work-row .wr-tags span{font-family:var(--font-mono);font-size:var(--fs-xs);color:var(--muted);border:1px solid var(--paper-line);padding:.3em .7em;border-radius:100px;}
.work-row .wr-arrow{font-size:1.6rem;transition:transform .35s var(--ease);}
.work-row:hover{background:var(--paper-dim);}
.dark .work-row:hover{background:var(--ink-soft);}
.work-row:hover .wr-arrow{transform:rotate(45deg) translate(2px,-2px);}
.work-row:hover .wr-title{color:var(--accent-ink);}
.dark .work-row:hover .wr-title{color:var(--accent);}
@media (max-width:760px){
  .work-row{grid-template-columns:1fr auto;grid-template-areas:"num arrow" "title title" "tags tags";row-gap:.8rem;}
  .work-row .wr-num{grid-area:num;}
  .work-row .wr-arrow{grid-area:arrow;}
  .work-row .wr-title{grid-area:title;}
  .work-row .wr-tags{grid-area:tags;}
}

.work-cover{
  aspect-ratio:16/10;border-radius:var(--radius);overflow:hidden;
  position:relative;display:flex;align-items:flex-end;padding:1.6rem;
  color:var(--paper);
}
.work-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(.55) contrast(1.05) brightness(.8);}
.work-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.55));}
.work-cover .wc-label{position:relative;z-index:1;font-family:var(--font-mono);font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.1em;}

.cover-1{background:#16241c;}
.cover-2{background:#241b3a;}
.cover-3{background:#2b2118;}
.cover-4{background:#142433;}
.cover-5{background:#3a2317;}
.cover-6{background:#1c1c1c;}

/* ---- selected work feature grid (home) ---- */
.work-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(1.5rem,1rem + 2vw,2.6rem);}
@media (max-width:760px){.work-feature-grid{grid-template-columns:1fr;}}
.work-feature{display:flex;flex-direction:column;gap:1.1rem;}
.work-feature .wf-cover{transition:transform .5s var(--ease);}
.work-feature:hover .wf-cover{transform:scale(1.015);}
.work-feature .wf-meta{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;}
.work-feature .wf-meta h3{font-size:clamp(1.3rem,1rem + 1vw,1.7rem);}
.work-feature .wf-tags{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:flex-end;}
.work-feature .wf-tags span{font-family:var(--font-mono);font-size:var(--fs-xs);color:var(--muted);}
.dark .work-feature .wf-tags span{color:var(--muted-on-dark);}
.work-feature .wf-arrow{font-family:var(--font-mono);font-size:var(--fs-sm);display:inline-flex;align-items:center;gap:.5em;}
.work-feature .wf-arrow .btn-arrow{transition:transform .35s var(--ease);}
.work-feature:hover .wf-arrow .btn-arrow{transform:translate(3px,-3px);}

/* ---- cards ---- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--paper-line);border:1px solid var(--paper-line);}
.dark .card-grid{background:var(--line-on-dark);border-color:var(--line-on-dark);}
@media (max-width:900px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.card-grid{grid-template-columns:1fr;}}
.card{background:var(--bg);padding:2.4rem;display:flex;flex-direction:column;gap:1.2rem;min-height:260px;transition:background .3s var(--ease);}
.card:hover{background:var(--paper-dim);}
.dark .card:hover{background:var(--ink-soft);}
.card .card-num{font-family:var(--font-mono);color:var(--accent-ink);background:var(--accent);width:2.2em;height:2.2em;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:var(--fs-xs);}
.card h3{font-size:1.35rem;}
.card p{color:var(--muted);}
.dark .card p{color:var(--muted-on-dark);}
.card .card-link{margin-top:auto;font-family:var(--font-mono);font-size:var(--fs-sm);}

/* ---- process ---- */
.process-list{border-top:1px solid var(--paper-line);}
.dark .process-list{border-color:var(--line-on-dark);}
.process-row{
  display:grid;grid-template-columns:5rem 1fr 2fr;gap:2rem;
  padding-block:2.6rem;border-bottom:1px solid var(--paper-line);
}
.dark .process-row{border-color:var(--line-on-dark);}
.process-row .pr-num{font-family:var(--font-mono);font-size:1.1rem;color:var(--muted);}
.dark .process-row .pr-num{color:var(--muted-on-dark);}
.process-row h3{font-size:clamp(1.3rem,1rem + 1vw,1.9rem);}
.process-row p{color:var(--muted);max-width:46ch;}
.dark .process-row p{color:var(--muted-on-dark);}
@media (max-width:760px){.process-row{grid-template-columns:1fr;gap:.6rem;}}

/* ---- stats ---- */
.stat{display:flex;flex-direction:column;gap:.4rem;}
.stat .stat-num{font-family:var(--font-mono);font-size:clamp(2.2rem,1.6rem + 2vw,3.6rem);font-weight:600;color:var(--accent-ink);}
.dark .stat .stat-num{color:var(--accent);}
.stat .stat-label{color:var(--muted);font-size:var(--fs-sm);}
.dark .stat .stat-label{color:var(--muted-on-dark);}

/* ---- logo strip ---- */
.value-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--paper-line);border:1px solid var(--paper-line);}
.dark .value-grid{background:var(--line-on-dark);border-color:var(--line-on-dark);}
@media (max-width:760px){.value-grid{grid-template-columns:1fr;}}
.value-item{background:var(--bg);padding:2.6rem;}
.value-item h3{margin-bottom:.6rem;font-size:1.3rem;}
.value-item p{color:var(--muted);max-width:42ch;}
.dark .value-item p{color:var(--muted-on-dark);}

/* ---- case study ---- */
.cs-hero{padding-top:8rem;}
.cs-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;border-top:1px solid var(--paper-line);border-bottom:1px solid var(--paper-line);padding-block:2rem;margin-block:3rem;}
.dark .cs-meta{border-color:var(--line-on-dark);}
@media (max-width:760px){.cs-meta{grid-template-columns:repeat(2,1fr);row-gap:1.6rem;}}
.cs-meta dt{font-family:var(--font-mono);font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:.5em;}
.dark .cs-meta dt{color:var(--muted-on-dark);}
.cs-meta dd{font-size:1.05rem;}
.cs-block{padding-block:3.5rem;border-top:1px solid var(--paper-line);}
.dark .cs-block{border-color:var(--line-on-dark);}
.cs-block-grid{display:grid;grid-template-columns:1fr 2fr;gap:3rem;}
@media (max-width:760px){.cs-block-grid{grid-template-columns:1fr;}}
.cs-cover{
  aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;position:relative;
  display:flex;align-items:center;justify-content:center;color:var(--paper);
}
.cs-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(.55) contrast(1.05) brightness(.78);}
.cs-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(160deg,rgba(11,11,12,.5) 0%,rgba(11,11,12,.72) 100%);}
.cs-cover span{position:relative;z-index:1;font-family:var(--font-mono);text-transform:uppercase;font-size:var(--fs-sm);letter-spacing:.1em;opacity:.85;}

/* ---- standalone content photo (About / Services supporting images) ---- */
.content-photo{position:relative;overflow:hidden;border-radius:var(--radius);aspect-ratio:16/9;}
.content-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(.55) contrast(1.05) brightness(.82);}
.content-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(160deg,rgba(11,11,12,.12) 0%,rgba(11,11,12,.42) 100%);}

/* ---- forms ---- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem 2rem;}
@media (max-width:700px){.form-grid{grid-template-columns:1fr;}}
.field{display:flex;flex-direction:column;gap:.6rem;}
.field.full{grid-column:1/-1;}
.field label{font-family:var(--font-mono);font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);}
.dark .field label{color:var(--muted-on-dark);}
.field input,.field select,.field textarea{
  background:transparent;border:0;border-bottom:1px solid var(--paper-line);
  padding-block:.7rem;font-size:1.1rem;transition:border-color .3s var(--ease);
}
.dark .field input,.dark .field select,.dark .field textarea{border-color:var(--line-on-dark);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink);}
.dark .field input:focus,.dark .field select:focus,.dark .field textarea:focus{border-color:var(--paper);}
.field textarea{resize:vertical;min-height:110px;}
.form-note{font-size:var(--fs-sm);color:var(--muted);margin-top:1.2rem;}
.dark .form-note{color:var(--muted-on-dark);}
.consent-check{display:flex;align-items:flex-start;gap:.7rem;margin-top:1.6rem;}
.consent-check input{margin-top:.25rem;flex:none;width:16px;height:16px;accent-color:var(--ink);cursor:pointer;}
.dark .consent-check input{accent-color:var(--paper);}
.consent-check label{font-family:var(--font-sans);font-size:.92rem;font-weight:400;text-transform:none;letter-spacing:normal;color:var(--fg);cursor:pointer;}
.form-status{margin-top:1rem;font-family:var(--font-mono);font-size:var(--fs-sm);}

/* ---- footer ---- */
.site-footer{padding-top:clamp(3rem,3rem + 4vw,6rem);}
.footer-cta{padding-bottom:clamp(3rem,3rem + 4vw,6rem);border-bottom:1px solid var(--line-on-dark);}
.footer-cta .h-xl{max-width:16ch;margin-bottom:1.6rem;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem;padding-block:3.5rem;}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-grid h4{font-family:var(--font-mono);font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.1em;color:var(--muted-on-dark);margin-bottom:1.2rem;}
.footer-grid ul{display:flex;flex-direction:column;gap:.7rem;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-block:1.6rem;border-top:1px solid var(--line-on-dark);font-size:var(--fs-sm);color:var(--muted-on-dark);flex-wrap:wrap;gap:1rem;}
.footer-bottom .socials{display:flex;gap:1.2rem;}

/* ---- reveal animation ---- */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
[data-reveal].is-visible{opacity:1;transform:translateY(0);}

/* ---- skip link / a11y ---- */
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:.8em 1.2em;z-index:200;font-family:var(--font-mono);font-size:var(--fs-sm);}
.skip-link:focus{left:var(--gutter);top:1rem;}

/* ---- language switch ---- */
.lang-switch{display:flex;gap:.4em;font-family:var(--font-mono);font-size:.8rem;}
.lang-switch a{opacity:.5;}
.lang-switch a.is-active{opacity:1;text-decoration:underline;}

/* ---- cookie consent ---- */
.cookie-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:300;
  background:var(--ink);color:var(--paper);
  border-top:1px solid var(--line-on-dark);
  padding:1.4rem var(--gutter);
  display:flex;gap:1.6rem;align-items:center;justify-content:space-between;flex-wrap:wrap;
  transform:translateY(110%);
  transition:transform .5s var(--ease);
}
.cookie-bar.is-visible{transform:translateY(0);}
.cookie-bar p{max-width:60ch;font-size:var(--fs-sm);color:var(--muted-on-dark);}
.cookie-bar-actions{display:flex;gap:.8rem;flex-wrap:wrap;flex:none;}
.cookie-bar .btn{padding:.7em 1.2em;font-size:var(--fs-xs);}

.cookie-modal-overlay{
  position:fixed;inset:0;z-index:301;
  background:rgba(11,11,12,.55);
  display:flex;align-items:center;justify-content:center;
  padding:var(--gutter);
  opacity:0;pointer-events:none;
  transition:opacity .35s var(--ease);
}
.cookie-modal-overlay.is-visible{opacity:1;pointer-events:auto;}
.cookie-modal{
  background:var(--paper);color:var(--ink);
  max-width:560px;width:100%;min-width:0;max-height:86vh;overflow-y:auto;
  padding:clamp(1.8rem,1.5rem + 1vw,2.6rem);
  border-radius:var(--radius);
  transform:translateY(16px);
  transition:transform .35s var(--ease);
  box-sizing:border-box;
}
.cookie-modal-overlay.is-visible .cookie-modal{transform:translateY(0);}
.cookie-modal h2{font-size:1.5rem;margin-bottom:.6rem;}
.cookie-modal > p{color:var(--muted);margin-bottom:1.6rem;font-size:var(--fs-sm);}
.cookie-cat{display:flex;gap:1.2rem;justify-content:space-between;align-items:flex-start;padding-block:1.2rem;border-top:1px solid var(--paper-line);}
.cookie-cat:first-of-type{border-top:none;}
.cookie-cat > div{min-width:0;}
.cookie-cat h3{font-size:1rem;margin-bottom:.3rem;}
.cookie-cat p{font-size:var(--fs-sm);color:var(--muted);max-width:38ch;}
.cookie-cat-locked{font-family:var(--font-mono);font-size:var(--fs-xs);color:var(--muted);flex:none;padding-top:.2rem;}

.cookie-switch{position:relative;flex:none;width:42px;height:24px;}
.cookie-switch input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer;}
.cookie-switch .track{
  position:absolute;inset:0;border-radius:100px;background:var(--paper-line);
  border:1px solid var(--paper-line);transition:background .25s var(--ease);
}
.cookie-switch .thumb{
  position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;
  background:var(--ink);transition:transform .25s var(--ease);
}
.cookie-switch input:checked + .track{background:var(--accent);border-color:var(--accent);}
.cookie-switch input:checked + .track .thumb{transform:translateX(18px);}
.cookie-switch input:focus-visible + .track{outline:2px solid var(--ink);outline-offset:2px;}

.cookie-modal-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.8rem;}
.cookie-modal-close{position:absolute;top:1.2rem;right:1.2rem;font-size:1.4rem;line-height:1;padding:.3em .5em;}

@media (max-width:560px){
  .cookie-bar{padding:1.2rem 1rem;}
  .cookie-bar-actions{flex-direction:column;align-items:stretch;width:100%;}
  .cookie-bar .btn{width:100%;justify-content:center;}
  .cookie-modal{padding:1.5rem;}
  .cookie-modal-actions{flex-direction:column;align-items:stretch;}
  .cookie-modal-actions .btn{width:100%;justify-content:center;}
}

/* ---- misc ---- */
.divider{border-top:1px solid var(--paper-line);}
.dark .divider{border-color:var(--line-on-dark);}
.badge-list{display:flex;gap:.6rem;flex-wrap:wrap;}
.badge{font-family:var(--font-mono);font-size:var(--fs-xs);border:1px solid var(--paper-line);padding:.4em .9em;border-radius:100px;color:var(--muted);}
.dark .badge{border-color:var(--line-on-dark);color:var(--muted-on-dark);}