/* ============================================================
   VPNCZ — components.css
   Cross-page components: tabs, toc, faq, pricing cards, line
   tables, platform cards, article cards, callout, promo block,
   float CTA, preview scaffolding.
   ============================================================ */

/* ---------- 1. Tabs ---------- */
.tabs{margin:0 0 32px}
.tablist{
  display:inline-flex;align-items:center;gap:6px;padding:5px;
  background:var(--panel-2);border-radius:var(--r-pill);
  max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;
}
.tablist [role="tab"]{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:0 20px;border-radius:var(--r-pill);
  font-family:var(--font-display);font-size:14px;font-weight:700;
  color:var(--muted);white-space:nowrap;flex:none;
}
.tablist [role="tab"][aria-selected="true"]{
  background:var(--panel);color:var(--ink);
  box-shadow:0 2px 6px rgba(var(--ink-rgb),.10);
}
.tablist [role="tab"]:hover{color:var(--ink)}
.tabpanel[hidden]{display:none}
.tabpanel{animation:tabIn .28s ease both}
@keyframes tabIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.tabpanel{animation:none}}

/* ---------- 2. TOC tabs (long doc pages) ---------- */
.toc-tabs{
  position:sticky;top:var(--nav-h);z-index:30;
  background:rgba(var(--white-rgb),.92);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  margin:0 0 40px;
}
.toc-tabs ul{
  display:flex;align-items:center;gap:8px;overflow-x:auto;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
  padding:10px 0;
}
.toc-tabs ul::-webkit-scrollbar{display:none}
.toc-tabs a{
  display:inline-flex;align-items:center;min-height:34px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;font-weight:600;
  color:var(--muted);white-space:nowrap;flex:none;
  border:1px solid transparent;
}
.toc-tabs a:hover{color:var(--ink);border-color:var(--border)}
.toc-tabs a.is-current{
  background:var(--ink);color:var(--panel);border-color:var(--ink);
}
body:has(.toc-tabs) section[id]{scroll-margin-top:calc(var(--nav-h) + 76px)}

/* ---------- 3. FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--r-md);overflow:hidden;
}
.faq-item summary{
  display:flex;align-items:center;gap:14px;
  min-height:56px;padding:14px 20px;cursor:pointer;
  font-family:var(--font-display);font-weight:700;font-size:16px;color:var(--ink);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";margin-left:auto;width:10px;height:10px;flex:none;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item summary:hover{color:var(--accent-dark)}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.75;color:var(--muted)}
.faq-body p{margin:0 0 10px}
.faq-body p:last-child{margin-bottom:0}

/* ---------- 4. Pricing cards ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.plan-grid>*{min-width:0}
.plan{
  position:relative;display:flex;flex-direction:column;gap:16px;
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--r-md);padding:28px 24px;min-width:0;
}
.plan.is-featured{
  border-color:var(--accent);
  box-shadow:var(--sh-soft);
}
.plan.is-current{
  border-color:var(--ink);
  background:linear-gradient(160deg,var(--panel-2) 0%,var(--panel) 60%);
}
.plan-badge{
  position:absolute;top:-12px;left:24px;
  display:inline-flex;align-items:center;min-height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:700;
  font-family:var(--font-display);letter-spacing:.02em;
  background:linear-gradient(135deg,var(--accent),var(--accent-soft));
  color:var(--panel);
}
.plan-name{font-family:var(--font-display);font-weight:800;font-size:18px}
.plan-price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.plan-price b{
  font-family:var(--font-display);font-weight:900;font-size:44px;
  letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;
}
.plan-price span{font-size:14px;color:var(--muted)}
.plan-perk{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--muted)}
.plan-perk li{display:flex;align-items:flex-start;gap:8px;line-height:1.5}
.plan-perk svg{width:16px;height:16px;flex:none;margin-top:3px;color:var(--ok)}
.plan .btn{margin-top:auto}

/* ---------- 5. Line / node table ---------- */
.line-group{margin-bottom:32px}
.line-group h3{
  display:flex;align-items:center;gap:10px;font-size:18px;margin-bottom:12px;
}
.line-group h3 span{
  font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--muted);
}
.cell-country{display:flex;align-items:center;gap:8px;color:var(--ink);font-weight:600;white-space:nowrap}
.cell-stream{display:flex;flex-wrap:wrap;gap:6px}

/* ---------- 6. Platform card ---------- */
.plat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px}
.plat-grid>*{min-width:0}
.plat-card{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  background:var(--panel);border:1px solid var(--border);border-radius:var(--r-md);
  padding:26px 18px;text-align:center;min-width:0;
  transition:transform .2s ease,box-shadow .2s ease;
}
.plat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-soft)}
.plat-card svg{width:34px;height:34px;flex:none;color:var(--ink)}
.plat-card b{font-family:var(--font-display);font-weight:800;font-size:16px}
.plat-card span{font-size:12px;color:var(--muted)}
.plat-card .btn{margin-top:4px}

/* ---------- 7. Article card ---------- */
.post-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.post-grid>*{min-width:0}
.post-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--panel);border:1px solid var(--border);border-radius:var(--r-md);
  padding:24px;min-width:0;
  transition:transform .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-soft)}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;color:var(--muted);
}
.post-meta .dotsep{color:var(--border)}
.post-card h3{font-size:19px;line-height:1.35}
.post-card p{font-size:14px;color:var(--muted);margin:0}
.post-card .link-arrow{margin-top:auto}

/* ---------- 8. Callout ---------- */
.callout{
  border-left:3px solid var(--accent);
  background:linear-gradient(120deg,rgba(var(--accent-rgb),.08) 0%,rgba(var(--accent-rgb),.02) 100%);
  border-radius:0 var(--r-md) var(--r-md) 0;
  padding:18px 22px;margin:24px 0;min-width:0;
}
.callout p{font-size:15px;color:var(--ink);margin:0 0 8px}
.callout p:last-child{margin-bottom:0}
.callout .callout-title{
  font-family:var(--font-display);font-weight:800;font-size:15px;color:var(--ink);
  display:block;margin-bottom:6px;
}
.callout.info{border-left-color:var(--flag-blue);background:rgba(43,76,155,.06)}
.callout.warn{border-left-color:var(--warn);background:rgba(227,154,23,.08)}

/* ---------- 9. Promo block (end of article) ---------- */
.promo-block{
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  margin:44px 0 0;padding:28px 32px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,var(--accent) 0%,var(--accent-soft) 100%);
  color:var(--panel);box-shadow:var(--sh-band);min-width:0;
}
.promo-block .promo-copy{min-width:0;flex:1 1 260px}
.promo-block b{
  display:block;font-family:var(--font-display);font-weight:900;font-size:22px;
  letter-spacing:-.02em;margin-bottom:6px;
}
.promo-block p{margin:0;font-size:14px;color:rgba(var(--white-rgb),.9)}
.promo-block .btn{
  background:var(--panel);color:var(--ink);box-shadow:none;
  flex-shrink:0;white-space:nowrap;
}
.promo-block .btn:hover{background:var(--panel-2)}
.promo-block .btn-secondary{
  background:transparent;color:var(--panel);border:1.5px solid rgba(var(--white-rgb),.8);
  flex-shrink:0;white-space:nowrap;
}
.promo-block .btn-secondary:hover{background:rgba(var(--white-rgb),.14)}

/* ---------- 10. Float CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:calc(28px + env(safe-area-inset-bottom,0));
  bottom:calc(28px + env(safe-area-inset-bottom,0px));
  z-index:40;display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--ink);color:var(--panel);
  font-family:var(--font-display);font-size:14px;font-weight:700;
  box-shadow:var(--sh-float);
}
.float-cta svg{width:14px;height:14px;flex:none;color:var(--accent-soft)}
.float-cta:hover{background:#1B2740}
body:has(.float-cta)::after{
  content:"";display:block;
  height:calc(88px + env(safe-area-inset-bottom,0px));
}
@media (max-width:640px){
  .float-cta{right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));padding:0 16px}
}

/* ---------- 11. Feature strata (mist-blue split cards) ---------- */
.strata{display:flex;flex-direction:column;gap:var(--sec-y)}
.strata-row{
  display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:center;
  background:linear-gradient(120deg,var(--panel-2) 0%,var(--bg) 100%);
  border-radius:var(--r-md);padding:44px;min-width:0;
}
.strata-row>*{min-width:0}
.strata-row.flip .strata-copy{order:2}
.strata-row.flip .strata-visual{order:1}
.strata-copy h3{font-size:clamp(22px,2.2vw,28px);margin-bottom:14px}
.strata-copy p{font-size:15px;line-height:1.75;color:var(--muted);margin-bottom:18px}
.strata-visual{min-width:0}

/* ---------- 12. Preview page scaffolding (design-preview.html only) ---------- */
.pv-block{margin-bottom:56px}
.pv-swatches{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}
.pv-swatch{
  border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;
  background:var(--panel);min-width:0;
}
.pv-swatch .chip{height:64px;display:block}
.pv-swatch .meta{padding:10px 12px;font-family:var(--font-mono);font-size:11px;color:var(--muted);line-height:1.5;overflow-wrap:anywhere}
.pv-swatch .meta b{display:block;color:var(--ink);font-size:12px}
.pv-type-row{
  display:grid;grid-template-columns:120px 1fr;gap:20px;align-items:baseline;
  padding:16px 0;border-bottom:1px solid var(--border);
}
.pv-type-row>*{min-width:0}
.pv-type-row .lbl{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:.06em}
.pv-btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.pv-note{font-size:13px;color:var(--muted)}
.pv-static-nav{
  background:var(--ink);color:var(--panel);border-radius:var(--r-md);
  padding:0 var(--gutter);overflow:hidden;
}
.pv-static-nav .row{
  display:flex;align-items:center;gap:28px;height:var(--nav-h);
  max-width:1240px;margin:0 auto;min-width:0;
}
.pv-static-nav .row ul{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.pv-static-nav .row ul a{font-size:14px;font-weight:500;color:rgba(var(--white-rgb),.82);min-height:24px;display:inline-flex;align-items:center}
.pv-static-nav .row ul a[aria-current="page"]{color:var(--panel);font-weight:700}
.pv-static-nav .tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.pv-foot{
  background:var(--ink);color:rgba(var(--white-rgb),.72);
  border-radius:var(--r-md);padding:32px;
}
.pv-foot .top{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:flex-start}
.pv-foot a{display:inline-flex;align-items:center;min-height:28px;color:rgba(var(--white-rgb),.72);font-size:14px}
.pv-foot a:hover{color:var(--panel)}
.pv-foot .links{display:flex;flex-wrap:wrap;gap:8px 20px}
.pv-hr{border:0;border-top:1px solid var(--border);margin:40px 0}

/* ---------- 13. Responsive ---------- */
@media (max-width:900px){
  .plan-grid{grid-template-columns:1fr}
  .strata-row{grid-template-columns:1fr;gap:24px;padding:28px}
  .strata-row.flip .strata-copy{order:1}
  .strata-row.flip .strata-visual{order:2}
  .promo-block{padding:24px}
  .promo-block .btn,.promo-block .btn-secondary{flex:1 1 100%}
  .pv-static-nav .row ul{display:none}
  .pv-static-nav .row .tools{margin-left:auto}
}
@media (max-width:640px){
  .tablist{width:100%}
  .toc-tabs{margin-bottom:28px}
  .faq-item summary{font-size:15px;padding:13px 16px}
  .faq-body{padding:0 16px 18px}
  .plan{padding:22px 18px}
  .plan-price b{font-size:36px}
  .pv-type-row{grid-template-columns:1fr;gap:6px}
}