/* Canonical production header and footer, 2026-09-14. */
/* ============================================================
   Návrh hlavičky a patičky — 2026-09-10
   Nové komponenty nad produkčním assets/style.css.
   Sekce „PROTO“ na konci jsou jen ovládání a anotace náhledu.
   ============================================================ */

/* ---------- Tokeny z design systému (aibility-ds/tokens.css v2.0) ----------
   Náhled stojí na produkčním style.css, proto sem přebírám jen hodnoty,
   které nové komponenty potřebují. */
:root {
  --ai-space-1: 4px;  --ai-space-2: 8px;  --ai-space-3: 12px; --ai-space-4: 16px;
  --ai-space-5: 20px; --ai-space-6: 24px; --ai-space-8: 32px; --ai-space-10: 40px;
  --ai-radius-md: 12px; --ai-radius-lg: 20px; --ai-radius-xl: 28px;
  --ai-shadow-3: 0 20px 56px -12px rgba(32,21,71,0.16);
  --ai-shadow-focus: 0 0 0 3px rgba(142,110,240,0.5);
  --ai-duration-fast: 120ms; --ai-duration-base: 220ms;
  --ai-ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ai-ink-on-paper: #1B1B1B; --ai-ink-on-paper-2: #393835; --ai-ink-on-paper-3: #6A5A3F;
}

/* ---------- Hlavička: víc vzduchu v liště ---------- */
.site-header-pill-inner { padding-top: var(--ai-space-4); padding-bottom: var(--ai-space-4); }
.site-header-pill-nav { gap: clamp(24px, 2.4vw, 40px); }

/* ---------- Menu Produkt (vzor: .ai-open) ---------- */
.nav-dd { position: relative; display: inline-flex; align-items: center; }
.nav-dd-trigger {
  display: inline-flex; align-items: center; gap: var(--ai-space-2);
  background: none; border: 0; padding: 0; margin: 0;
  font: inherit; color: inherit; cursor: pointer;
  transition: color var(--ai-duration-fast) ease;
}
.nav-dd-trigger:hover,
.nav-dd[data-open="true"] .nav-dd-trigger { color: var(--color-dark-text); }
.nav-dd-caret { width: 10px; height: 10px; opacity: 0.7; transition: transform var(--ai-duration-base) var(--ai-ease-out); }
.nav-dd[data-open="true"] .nav-dd-caret,
.nav-dd:hover .nav-dd-caret { transform: rotate(180deg); }
.nav-dd-panel {
  position: absolute; top: calc(100% + 28px); left: -32px;
  width: min(440px, calc(100vw - 48px));
  background: #fff; color: var(--color-text-default);
  border: 0; border-radius: var(--ai-radius-xl);
  box-shadow: var(--ai-shadow-3), 0 2px 8px rgba(20,13,46,0.12);
  padding: var(--ai-space-6);
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  /* skrytí až po doběhnutí animace, zobrazení okamžitě (kvůli focusu z klávesnice) */
  transition: opacity var(--ai-duration-base) var(--ai-ease-out), transform var(--ai-duration-base) var(--ai-ease-out), visibility 0s linear var(--ai-duration-base);
  z-index: 120;
  text-align: left;
}
/* Transparent hover bridge lives on the panel. Keeping it off the fixed
   header avoids a Chromium compositor ghost below the header bar. */
.nav-dd-panel::before { content: ""; position: absolute; left: 0; right: 0; top: -28px; height: 28px; }
.nav-dd[data-open="true"] .nav-dd-panel,
.nav-dd:hover .nav-dd-panel,
.nav-dd:focus-within .nav-dd-panel { opacity: 1; visibility: visible; transform: translateY(0); transition-delay: 0s; }
/* Esc zavře menu i ve chvíli, kdy na něm zůstává kurzor nebo focus */
.nav-dd.nav-dd--suppress .nav-dd-panel { opacity: 0; visibility: hidden; transform: translateY(-8px); }

.nav-dd-cols { display: grid; grid-template-columns: minmax(0, 1fr); }
.nav-dd-col { display: flex; flex-direction: column; gap: var(--ai-space-1); }
.nav-dd-col--tools { background: var(--color-surface-raised); border-radius: var(--ai-radius-lg); padding: var(--ai-space-5) var(--ai-space-3) var(--ai-space-4); }
.nav-dd-head {
  font-family: var(--font-mono); font-size: 11px; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-text-muted); padding: 0 var(--ai-space-4) var(--ai-space-3);
}
.nav-dd-col:not(.nav-dd-col--tools) .nav-dd-head { padding-top: var(--ai-space-5); }

.nav-dd-item {
  display: flex; align-items: flex-start; gap: var(--ai-space-4);
  padding: var(--ai-space-4); border-radius: var(--ai-radius-md);
  color: var(--color-text-default); text-decoration: none;
  transition: background var(--ai-duration-fast) ease;
}
.nav-dd-item:hover { background: var(--color-surface-raised); }
.nav-dd-ic {
  width: 40px; height: 40px; flex-shrink: 0; border-radius: var(--ai-radius-md);
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--color-surface-raised); color: var(--color-brand-accent);
}
.nav-dd-item:hover .nav-dd-ic { background: #fff; }
.nav-dd-ic--accent, .nav-dd-item:hover .nav-dd-ic--accent { background: var(--color-brand-accent); color: #fff; }
.nav-dd-ic svg { width: 20px; height: 20px; display: block; }
.nav-dd-txt { display: flex; flex-direction: column; gap: var(--ai-space-1); min-width: 0; padding-top: 2px; }
.nav-dd-title { font-family: var(--font-display); font-size: 16px; font-weight: 600; line-height: 1.3; letter-spacing: -0.005em; }
.nav-dd-desc { font-size: 14px; line-height: 1.5; color: var(--color-text-muted); }

.nav-dd-tool {
  display: flex; align-items: center; gap: var(--ai-space-3);
  padding: var(--ai-space-3) var(--ai-space-4); border-radius: var(--ai-radius-md);
  font-size: 15px; font-weight: 500; color: var(--color-text-default); text-decoration: none;
  transition: background var(--ai-duration-fast) ease;
}
.nav-dd-tool:hover { background: #fff; }
.nav-dd-tool-ic { width: 20px; height: 20px; display: inline-flex; align-items: center; justify-content: center; color: var(--color-text-default); }
.nav-dd-tool-ic svg { width: 18px; height: 18px; display: block; }
.nav-dd-badge {
  font-family: var(--font-mono); font-size: 10px; font-weight: 400; letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--color-accent-subtle); color: var(--color-accent-deep);
  border-radius: 999px; padding: 2px var(--ai-space-2); line-height: 1.4;
}
.nav-dd-note { font-size: 13px; line-height: 1.5; color: var(--color-text-muted); padding: var(--ai-space-2) var(--ai-space-4) 0; margin: 0; }

/* Oddělovač mezi produktem a prvními kroky */
.nav-dd-sep { height: 1px; background: var(--color-border); margin: var(--ai-space-3) var(--ai-space-4); }

.nav-dd-foot {
  display: flex; align-items: center; justify-content: space-between; gap: var(--ai-space-4);
  margin-top: var(--ai-space-6); padding: var(--ai-space-4) var(--ai-space-6); border-radius: var(--ai-radius-lg);
  background: #F1ECFF; color: var(--color-accent-deep); text-decoration: none;
  font-size: 15px; line-height: 1.5;
  transition: background var(--ai-duration-fast) ease;
}
.nav-dd-foot-copy { display: flex; flex-direction: column; gap: 2px; }
.nav-dd-foot:hover { background: #E6DDFF; }
.nav-dd-foot strong { font-weight: 600; }
.nav-dd-foot-arrow { font-size: 18px; flex-shrink: 0; transition: transform var(--ai-duration-fast) ease; }
.nav-dd-foot:hover .nav-dd-foot-arrow { transform: translateX(4px); }

/* Focus podle design systému: box-shadow, ne outline */
.nav-dd-item:focus-visible, .nav-dd-tool:focus-visible, .nav-dd-foot:focus-visible { outline: none; box-shadow: var(--ai-shadow-focus); }
.site-header-pill-nav > a:focus-visible,
.nav-dd-trigger:focus-visible,
.hdr-login:focus-visible,
.ai-open-trigger:focus-visible { outline: none; box-shadow: var(--ai-shadow-focus); border-radius: 8px; }

/* Kontrast: produkční .site-header-pill-nav a:hover barví odkazy krémově (#FAF4EE),
   což by v bílém panelu udělalo bílý text na světlém podkladu. Panel má vlastní barvy. */
.site-header-pill-nav .nav-dd-panel a,
.site-header-pill-nav .nav-dd-panel a:hover,
.site-header-pill-nav .nav-dd-panel a:focus-visible { color: var(--ai-ink-on-paper); }
.site-header-pill-nav .nav-dd-panel .nav-dd-foot,
.site-header-pill-nav .nav-dd-panel .nav-dd-foot:hover { color: var(--color-accent-deep); }
.nav-dd-desc, .nav-dd-head { color: var(--ai-ink-on-paper-3); }

@media (prefers-reduced-motion: reduce) {
  .nav-dd-panel, .nav-dd-caret, .nav-dd-foot-arrow { transition: none; }
}

/* ---------- Pravá strana: přihlášení + tlumené AI ---------- */
.hdr-login {
  color: rgba(250,244,238,0.88); text-decoration: none;
  font-family: var(--font-body); font-size: clamp(14px, 1vw, 15px); font-weight: 500;
  white-space: nowrap; transition: color 0.15s ease;
}
.hdr-login:hover { color: var(--color-dark-text); }

.ai-open--quiet .ai-open-trigger { background: transparent; border-color: transparent; padding: 9px 10px; color: rgba(250,244,238,0.72); }
.ai-open--quiet .ai-open-trigger:hover,
.ai-open--quiet[data-open="true"] .ai-open-trigger { background: rgba(250,244,238,0.1); border-color: transparent; color: var(--color-dark-text); }

.site-header-pill-nav > a, .nav-dd-trigger { white-space: nowrap; }
@media (max-width: 1180px) {
  .site-header-pill-nav { gap: var(--ai-space-6); margin-left: var(--ai-space-5); }
  .site-header-pill-right { gap: var(--ai-space-3); }
}
@media (min-width: 981px) and (max-width: 1100px) {
  /* 6 položek + přihlášení + CTA: na úzkém desktopu bez zalamování */
  .site-header-pill-inner { padding-left: var(--ai-space-6); padding-right: var(--ai-space-6); gap: var(--ai-space-4); }
  .site-header-pill-nav { gap: var(--ai-space-5); margin-left: var(--ai-space-2); font-size: 15px; }
  .site-header-pill .btn { padding: 12px 18px; }
  .ai-open--quiet .ai-open-trigger .ai-open-label { display: none; }
}
@media (max-width: 980px) {
  .hdr-login { display: none; }
}
@media (max-width: 480px) {
  .site-header-pill .btn { padding: 11px 16px; font-size: 13px; }
  .site-header-pill-logo-img { height: 34px; }
}

/* ---------- Hellobar: rotace zpráv ---------- */
/* Pomalé prolnutí: stará zpráva zmizí (600 ms), nová se objeví (900 ms). Jen opacity, bez posunu. */
.hellobar .hellobar-inner { transition: opacity 600ms cubic-bezier(0.4, 0, 0.2, 1); }
.hellobar .hellobar-inner.hb-out { opacity: 0; }
.hellobar .hellobar-inner.hb-in { animation: hbFade 900ms cubic-bezier(0.4, 0, 0.2, 1); }
@keyframes hbFade { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .hellobar .hellobar-inner, .hellobar .hellobar-inner.hb-in { animation: none; transition: none; } }

/* V aktuálním návrhu je hellobar vyhrazený pouze produktu Superpowered. */
.hellobar .hellobar-inner[data-hb]:not([data-hb="product"]) { display: none !important; }

/* ---------- Hellobar: varianty + krátká verze textu na mobilu ---------- */
.hellobar .hellobar-inner[hidden] { display: none; }
.hellobar .hb-short, .hellobar .hb-xs { display: none; }
@media (max-width: 600px) {
  .hellobar .hb-long { display: none; }
  .hellobar .hb-short { display: inline; }
  /* Mobil: vždy jeden řádek, nic nepřetéká do strany (dřív roztahovalo stránku na 455 px) */
  .hellobar { overflow: hidden; }
  .hellobar .hellobar-inner { flex-wrap: nowrap; min-width: 0; max-width: 100%; gap: var(--ai-space-2); }
  .hellobar .hellobar-text { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .hellobar .hellobar-cta { flex-shrink: 0; white-space: nowrap; }
}
@media (max-width: 340px) {
  .hellobar .hb-short:has(+ .hb-xs) { display: none; }
  .hellobar .hb-xs { display: inline; }
}
@media (max-width: 380px) {
  .hellobar { padding-left: 12px; padding-right: 40px; }
  .hellobar .hellobar-cta { padding: 6px 10px; }
  .hellobar .hb-arrow { display: none; }
  /* Lišta na nejužších telefonech: logo, tlačítko a burger se vejdou i na 320 px */
  .site-header-pill-inner { padding-left: 16px; padding-right: 12px; gap: 8px; }
  .site-header-pill-right { gap: 8px; }
  .site-header-pill .btn { padding: 10px 12px; font-size: 12.5px; }
  .site-header-pill-logo-img { height: 30px; }
}

/* ---------- Mobilní menu: skupina Produkt + přihlášení ---------- */
.nav-overlay-group { display: flex; flex-direction: column; align-items: center; }
.nav-overlay-group > summary {
  list-style: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  color: rgba(250,244,238,0.88);
  font-family: var(--font-display); font-size: clamp(23px, 6vw, 30px); font-weight: 500; letter-spacing: -0.01em;
}
.nav-overlay-group > summary::-webkit-details-marker { display: none; }
.nav-overlay-group > summary::after {
  content: ""; width: 9px; height: 9px; margin-top: -4px;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg); opacity: 0.7; transition: transform 0.18s ease, margin 0.18s ease;
}
.nav-overlay-group[open] > summary::after { transform: rotate(-135deg); margin-top: 6px; }
.nav-overlay-sub {
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  margin-top: 18px; padding: 18px 22px; border-radius: 16px;
  background: rgba(250,244,238,0.06);
}
.nav-overlay-links .nav-overlay-sub a { font-size: 19px; font-weight: 500; }
.nav-overlay-subhead {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-accent-light); margin-top: 6px;
}
.nav-overlay-links .nav-overlay-sub a.nav-overlay-quiet { font-family: var(--font-body); font-size: 15px; color: var(--color-accent-light); }
.nav-overlay-tools { display: flex; justify-content: center; gap: var(--ai-space-3); }
.nav-overlay-links .nav-overlay-sub a.nav-overlay-tool {
  width: 48px; height: 48px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(250,244,238,0.08); color: var(--color-dark-text);
  transition: background var(--ai-duration-fast) ease;
}
.nav-overlay-links .nav-overlay-sub a.nav-overlay-tool:hover { background: rgba(250,244,238,0.16); }
.nav-overlay-tool svg { width: 22px; height: 22px; display: block; }
body.proto-marks .nav-overlay-tool[data-new]::after { display: none; }
.nav-overlay-login {
  color: var(--color-dark-text); font-family: var(--font-body); font-size: 16px; font-weight: 500;
  text-decoration: underline; text-underline-offset: 4px; flex-shrink: 0;
}

/* ---------- Patička — podle původního návrhu (vystupy/aibility-web.html) ----------
   Plocha deep-2 #150E33, texty z tokenů ink-on-deep: #FAF4EE / #C9C3D2 / #8981A0,
   oddělovač #403466. Kontrast odkazů #8981A0 na #150E33 = 5,0 : 1. */
.ft {
  --ft-bg: #150E33; --ft-bd: #403466;
  --ft-ink: #FAF4EE; --ft-ink-2: #C9C3D2; --ft-ink-3: #8981A0;
  background: var(--ft-bg); color: var(--ft-ink-3); text-align: left;
}
.ft a { text-decoration: none; }
.ft a:focus-visible, .ft button:focus-visible { outline: none; box-shadow: var(--ai-shadow-focus); border-radius: 6px; }

/* Newsletter nahoře */
.ft-news { padding: var(--ai-space-16, 64px) 0 var(--ai-space-12, 48px); }
.ft-news-in { display: flex; gap: var(--ai-space-10); align-items: center; justify-content: space-between; flex-wrap: wrap; }
.ft-news-title {
  font-family: var(--font-display); font-weight: 600; font-size: clamp(28px, 3vw, 40px);
  line-height: 1.12; letter-spacing: -0.015em; color: var(--ft-ink); margin: 0;
}
.ft-serif { font-family: Georgia, 'Times New Roman', serif; font-style: italic; font-weight: 400; color: var(--color-lime); }
.ft-news-sub { color: var(--ft-ink-2); font-size: 15px; line-height: 1.5; margin: var(--ai-space-3) 0 0; max-width: 560px; }
.ft-news-form { width: 100%; max-width: 420px; }
.ft-nl { display: flex; background: #fff; border-radius: 999px; padding: 6px; }
.ft-nl input { flex: 1; min-width: 0; border: 0; background: none; padding: 0 var(--ai-space-4); font: 400 15px var(--font-body); color: var(--ai-ink-on-paper); outline: none; }
.ft-nl input::placeholder { color: rgba(27,27,27,0.55); }
.ft-nl button { width: 48px; height: 48px; border-radius: 50%; border: 0; background: var(--color-brand-accent); color: #fff; font-size: 18px; cursor: pointer; flex: none; transition: background var(--ai-duration-fast) ease; }
.ft-nl button:hover { background: var(--color-accent-deep); }
.ft-nl-legal { font-size: 12px; line-height: 1.5; color: var(--ft-ink-3); margin: var(--ai-space-3) 0 0; padding-left: var(--ai-space-2); }
.ft-nl-status { min-height: 20px; margin: var(--ai-space-3) 0 0; padding-left: var(--ai-space-2); font-size: 13px; color: var(--ft-ink); }
.ft-nl-legal a { color: var(--ft-ink-2); text-decoration: underline; text-underline-offset: 2px; }
.ft-nl-legal a:hover { color: var(--ft-ink); }

/* 5 sloupců v pořadí jako horní menu */
.ft-grid {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--ai-space-8);
  border-top: 1px solid var(--ft-bd); padding: var(--ai-space-12, 48px) 0;
}
@media (max-width: 1080px) { .ft-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: var(--ai-space-10); } }
@media (max-width: 640px) { .ft-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--ai-space-6); } }
.ft-h {
  display: block; margin-bottom: var(--ai-space-4);
  font: 400 11px/1.2 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ft-ink-2);
}
.ft-col { display: flex; flex-direction: column; gap: var(--ai-space-1); }
.ft-col a,
.ft-link-static { font-size: 14px; line-height: 1.45; color: var(--ft-ink-3); padding: 6px 0; transition: color var(--ai-duration-fast) ease; }
.ft-col a:hover { color: var(--ft-ink); }
/* Loga nástrojů jen v bílé (monochrom), text odkazu zůstává v tlumené barvě */
.ft-col--tools a,
.ft-col--tools .ft-tool-static { display: inline-flex; align-items: center; gap: var(--ai-space-3); }
.ft-tool-ic { width: 18px; height: 18px; display: inline-flex; align-items: center; justify-content: center; color: var(--ft-ink); flex-shrink: 0; }
.ft-tool-ic svg { width: 16px; height: 16px; display: block; }

/* Pod čarou: Aibility + sítě + platby */
.ft-brand {
  display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: var(--ai-space-8);
  border-top: 1px solid var(--ft-bd); padding: var(--ai-space-10) 0;
}
.ft-logo img { height: 36px; width: auto; display: block; }
.ft-brand-id { display: flex; flex-direction: column; gap: var(--ai-space-5); }
.ft-claim { font-size: 15px; line-height: 1.5; color: var(--ft-ink-2); margin: var(--ai-space-4) 0 0; }
.ft-stats { font: 400 12px/1.5 var(--font-mono); letter-spacing: 0.04em; color: var(--ft-ink-3); margin: var(--ai-space-2) 0 0; }
.ft-brand-side { display: flex; flex-direction: column; align-items: flex-end; gap: var(--ai-space-6); }
.ft-social { display: flex; gap: var(--ai-space-3); }
.ft-social a {
  width: 36px; height: 36px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.06); transition: background var(--ai-duration-fast) ease;
}
.ft-social a:hover { background: rgba(255,255,255,0.16); }
.ft-social svg { width: 16px; height: 16px; fill: #fff; display: block; }
.ft-payments { display: flex; align-items: center; gap: var(--ai-space-3); flex-wrap: wrap; }
.ft-h--inline { display: inline-block; margin: 0; }
.ft-pay-list { display: flex; align-items: center; gap: var(--ai-space-3); }
.ft-pay { display: inline-flex; width: 24px; height: 24px; align-items: center; justify-content: center; }
.ft-pay svg { width: 24px; height: 24px; display: block; }
@media (max-width: 760px) { .ft-brand { align-items: flex-start; } .ft-brand-side { align-items: flex-start; } }

.ft-bottom {
  display: flex; justify-content: space-between; gap: var(--ai-space-3); flex-wrap: wrap;
  border-top: 1px solid var(--ft-bd); padding: var(--ai-space-5) 0 var(--ai-space-8); font-size: 12.5px; color: var(--ft-ink-3);
}
.ft-legal { display: flex; gap: var(--ai-space-5); flex-wrap: wrap; }
.ft-legal a { color: var(--ft-ink-3); transition: color var(--ai-duration-fast) ease; }
.ft-legal a:hover { color: var(--ft-ink); }