/* Pokupky.online design system — stable v3 */
:root{
  --bg:#0a0b10;
  --bg-soft:#10131d;
  --surface:#151926;
  --surface-2:#1d2231;
  --paper:#fffaf2;
  --paper-2:#f3eadc;
  --ink:#16130f;
  --text:#fbfaf7;
  --muted:#b7bdcb;
  --muted-2:#7b8498;
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(255,255,255,.2);
  --accent:#c8ff4d;
  --accent-2:#ff7a1a;
  --violet:#7c3aed;
  --blue:#38bdf8;
  --danger:#ef4444;
  --radius-xl:32px;
  --radius-lg:22px;
  --radius-md:16px;
  --shadow:0 26px 80px rgba(0,0,0,.35);
  --shadow-soft:0 18px 50px rgba(0,0,0,.22);
  --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;text-size-adjust:100%;-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-width:320px;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 8% -8%,rgba(124,58,237,.34),transparent 30%),
    radial-gradient(circle at 92% 0,rgba(255,122,26,.22),transparent 26%),
    linear-gradient(180deg,#090a0f 0%,#0d1018 42%,#08090e 100%);
  line-height:1.65;
  letter-spacing:-.01em;
}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:none}
img,svg{max-width:100%;height:auto;display:block}
button,input,textarea,select{font:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.narrow{width:min(860px,calc(100% - 40px));margin-inline:auto}

/* Accessibility: hidden until focused. This was visible when CSS cache failed. */
.skip{position:fixed;left:16px;top:12px;z-index:1000;transform:translateY(-160%);background:var(--accent);color:#111;padding:10px 14px;border-radius:999px;font-weight:900;box-shadow:var(--shadow-soft)}
.skip:focus{transform:translateY(0);outline:3px solid #fff}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(8,9,14,.84);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(18px);
  -webkit-backdrop-filter:saturate(160%) blur(18px);
}
.nav-shell{
  width:min(var(--max),calc(100% - 40px));
  min-height:76px;
  margin-inline:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-width:max-content;
  color:#fff;
  font-weight:900;
  letter-spacing:-.04em;
}
.brand b{font-weight:900}.brand em{font-style:normal;color:#b8bfcd}.brand:hover{opacity:.92}
.brand-mark{
  width:42px;height:42px;display:grid;place-items:center;flex:0 0 42px;
  border-radius:15px;
  background:linear-gradient(135deg,var(--accent-2),var(--violet));
  color:#fff;
  box-shadow:0 18px 48px rgba(124,58,237,.35);
}
.site-nav{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.site-nav a{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:8px 13px;border-radius:999px;
  color:#dce2f2;font-weight:800;font-size:14px;white-space:nowrap;
}
.site-nav a:hover,.site-nav a:focus-visible{background:rgba(255,255,255,.09);color:#fff;outline:none}
.menu-toggle{display:none;appearance:none;border:1px solid var(--line-strong);background:rgba(255,255,255,.08);color:#fff;border-radius:14px;padding:9px 12px;line-height:1;cursor:pointer}
.read-progress{height:3px;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .12s linear}

/* Hero */
.home-hero,.article-hero{position:relative;overflow:hidden;padding:86px 0 64px}
.home-hero:before,.article-hero:before{content:"";position:absolute;inset:auto -10% -35% -10%;height:320px;background:radial-gradient(circle,rgba(200,255,77,.14),transparent 62%);pointer-events:none}
.home-grid,.hero-layout{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,480px);gap:44px;align-items:center}
.hero-copy{min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;padding:8px 13px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.06);color:var(--accent);font-weight:900;font-size:13px;text-transform:uppercase;letter-spacing:.08em}
h1{margin:0;color:#fff;font-size:clamp(42px,6vw,84px);line-height:.95;letter-spacing:-.07em;max-width:920px}
.article-hero h1{font-size:clamp(38px,5vw,72px)}
.lead{margin:22px 0 0;max-width:760px;color:#d8deec;font-size:clamp(18px,2vw,23px);line-height:1.55}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 18px;border-radius:999px;font-weight:900;border:1px solid var(--line-strong);transition:transform .18s ease,background .18s ease,border-color .18s ease}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:var(--accent);color:#111;border-color:var(--accent);box-shadow:0 18px 46px rgba(200,255,77,.18)}
.btn.ghost{background:rgba(255,255,255,.07);color:#fff}
.hero-media,.collage{position:relative;min-width:0}
.hero-media img,.collage img{
  width:100%;aspect-ratio:16/11;object-fit:contain;border-radius:var(--radius-xl);
  border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow);background:#111827;
}
.collage{display:grid;grid-template-columns:1fr;gap:14px}
.collage img:nth-child(2){width:74%;justify-self:end;margin-top:-78px;transform:rotate(2deg)}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:20px;color:#c8cede;font-weight:800}
.breadcrumbs a{color:#fff}.breadcrumbs span{color:#8c94a8}

/* Sections and cards */
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin:34px 0 22px}
.section-head h2{margin:0;max-width:760px;font-size:clamp(30px,4vw,54px);line-height:1;letter-spacing:-.055em;color:#fff}
.decision-section,.container>section{position:relative}
.decision-grid,.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.mini-card,.article-card,.related-card{
  display:block;min-width:0;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.045));
  box-shadow:0 12px 36px rgba(0,0,0,.18);
  padding:22px;transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.mini-card:hover,.article-card:hover,.related-card:hover{transform:translateY(-4px);border-color:rgba(200,255,77,.5);background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.06))}
.mini-card span{display:grid;place-items:center;width:42px;height:42px;margin-bottom:14px;border-radius:15px;background:rgba(200,255,77,.14);color:var(--accent);font-weight:900}
.mini-card h3,.article-card h3,.related-card h3{margin:0 0 10px;color:#fff;font-size:21px;line-height:1.15;letter-spacing:-.03em}
.mini-card p,.article-card p,.related-card p{margin:0;color:var(--muted);font-size:15.5px}
.article-card-grid,.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:22px 0 38px}
.article-card span,.related-card span{display:inline-flex;margin-bottom:14px;padding:6px 10px;border-radius:999px;background:rgba(200,255,77,.12);color:var(--accent);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}
.hub-grid{margin-top:0}

/* Article layout */
.article-body{padding:0 0 24px}
.article-grid{display:grid;grid-template-columns:minmax(0,760px) 280px;gap:28px;align-items:start}
.content-card{
  min-width:0;color:var(--ink);background:var(--paper);border-radius:var(--radius-xl);
  padding:clamp(22px,4vw,48px);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.6);
}
.content-card h2{margin:34px 0 14px;color:var(--ink);font-size:clamp(26px,3.2vw,40px);line-height:1.05;letter-spacing:-.045em}
.content-card h3{margin:0 0 8px;color:var(--ink);font-size:21px;line-height:1.2}
.content-card p,.content-card li{color:#554b42;font-size:17px;line-height:1.75}
.note{padding:16px 18px;border-left:5px solid var(--accent-2);background:#fff3df;border-radius:18px;color:#3b3128}.note.danger{border-color:var(--danger);background:#fff0f0}
.quick-panel{margin-top:24px}.quick-panel .mini-card{background:#fff;border-color:#eadfce;box-shadow:none}.quick-panel .mini-card h3{color:var(--ink)}.quick-panel .mini-card p{color:#64584f}
.visual-deck{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:28px 0 12px}
.visual-card{margin:0;border-radius:24px;overflow:hidden;background:#fff;border:1px solid #e7dbc8;box-shadow:0 18px 42px rgba(42,28,12,.08)}
.visual-card img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#121521}
.visual-card figcaption{padding:12px 14px;color:#6a5d51;font-weight:900;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.guide-section{margin-top:28px;padding-top:2px}
.step-list{display:grid;gap:14px;margin-top:16px}
.step{padding:18px;border-radius:22px;background:#fff;border:1px solid #eadfce}
.step p{margin:0}.step h3{display:flex;gap:10px;align-items:center}.step h3:before{content:"";width:10px;height:10px;border-radius:999px;background:var(--accent-2);flex:0 0 10px}
.compare-table{margin:30px 0;padding:22px;border-radius:24px;background:#17130f;color:#fff;overflow-x:auto}.compare-table h2{color:#fff;margin-top:0}.compare-table table{width:100%;border-collapse:collapse;min-width:620px}.compare-table th,.compare-table td{padding:13px;border-bottom:1px solid rgba(255,255,255,.14);text-align:left}.compare-table th{color:var(--accent)}
.checklist{margin:30px 0;padding:24px;border-radius:26px;background:linear-gradient(135deg,#111827,#1e293b);color:#fff}.checklist h2{color:#fff;margin-top:0}.checklist li{color:#edf2ff;margin-bottom:8px}
.faq details{border-top:1px solid #eadfce;padding:14px 0}.faq summary{cursor:pointer;font-weight:900;color:var(--ink)}
.toc{position:sticky;top:98px;padding:18px;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.07);box-shadow:var(--shadow-soft)}
.toc h3{margin:0 0 10px;color:#fff}.toc a{display:block;color:#d5dbea;padding:9px 0;border-top:1px solid rgba(255,255,255,.08);font-weight:700;font-size:14px}

/* Trust/footer */
.footer{margin-top:72px;background:#05060a;border-top:1px solid var(--line);padding:48px 0;color:#d6dbea}
.footer-inner{width:min(var(--max),calc(100% - 40px));margin-inline:auto;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(150px,.7fr) minmax(170px,.7fr);gap:34px;align-items:start}
.footer p{max-width:760px;margin:16px 0 0;color:#c2c8d7;font-size:17px}
.footer h3{margin:0 0 14px;color:#fff;font-size:21px;letter-spacing:-.03em}
.footer a:not(.brand){display:block;width:max-content;max-width:100%;margin:0 0 10px;color:#ffd19b;font-weight:700;line-height:1.35}
.footer a:hover{color:#fff}.brand-footer{margin-bottom:2px}

/* Motion: progressive enhancement only */
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.reveal{opacity:1;transform:none}.reveal.is-visible{animation:rise .55s cubic-bezier(.2,.8,.2,1) both}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}

/* Responsive */
@media (max-width:980px){
  .home-grid,.hero-layout,.article-grid,.footer-inner{grid-template-columns:1fr}
  .toc{position:static;order:-1}
  .article-card-grid,.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .decision-grid,.quick-grid,.visual-deck{grid-template-columns:1fr}
  .collage img:nth-child(2){display:none}
}
@media (max-width:900px){
  .nav-shell{min-height:70px}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .site-nav{position:absolute;top:70px;left:20px;right:20px;display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:4px;padding:12px;background:#111827;border:1px solid var(--line-strong);border-radius:22px;box-shadow:var(--shadow)}
  .site-nav.open{display:flex}
  .site-nav a{justify-content:flex-start;font-size:16px;padding:12px 14px}
}
@media (max-width:640px){
  .container,.narrow,.nav-shell,.footer-inner{width:min(100% - 28px,var(--max))}
  .home-hero,.article-hero{padding:48px 0 38px}
  h1{font-size:clamp(36px,13vw,54px)}
  .article-hero h1{font-size:clamp(34px,11vw,50px)}
  .lead{font-size:17px}
  .article-card-grid,.related-grid{grid-template-columns:1fr}
  .content-card{border-radius:24px;padding:22px 18px}
  .hero-actions{flex-direction:column}.btn{width:100%}
  .brand span:last-child{font-size:18px}.brand-mark{width:38px;height:38px;flex-basis:38px}
}