/* ==========================================================================
   Base - reset, typografie, layout, review bar, header, footer
   ========================================================================== */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: hidden; /* off-canvas mobilni menu (translateX 100%) nesmi rozsirit stranku */
}

body {
  margin: 0;
  background-color: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: var(--lh-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: var(--lh-heading);
  color: var(--c-primary-ink);
  margin: 0 0 var(--space-sm);
  letter-spacing: 0.002em;
  text-wrap: balance;
}

p { margin: 0 0 var(--space-sm); text-wrap: pretty; }

a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

ul, ol { margin: 0; padding: 0; }

/* --- Viditelny focus (WCAG 2.2) --- */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

::selection { background: var(--c-blush-wash); color: var(--c-primary-ink); }

.skip-link {
  position: absolute;
  left: var(--space-sm);
  top: -100px;
  z-index: 200;
  background: var(--c-primary);
  color: #fff;
  padding: var(--space-2xs) var(--space-md);
  border-radius: var(--radius);
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: var(--space-sm); text-decoration: none; }

/* --- Layout helpers --- */
.wrap {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--narrow { max-width: var(--content-narrow); }
.section { padding-block: clamp(2rem, 1.2rem + 2vw, 3.5rem); }
.section--tight { padding-block: clamp(1.5rem, 1rem + 1.5vw, 2.5rem); }
.section--tinted { background: var(--c-surface-2); }
.section--plum { background: var(--c-primary); color: #F3E9EF; }
.section--plum h2, .section--plum h3 { color: #fff; }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-weight: 600;
  color: var(--c-accent-deep);
  margin: 0 0 var(--space-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--c-gold);
}
.eyebrow--center { justify-content: center; }
.section--plum .eyebrow { color: var(--c-gold-soft); }

.section-head { max-width: 44rem; margin-bottom: var(--space-lg); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-title { font-size: var(--display-sm); margin-bottom: var(--space-xs); }
.section-lead { font-size: var(--step-1); color: var(--c-muted); }
.section--plum .section-lead { color: #E5D4E0; }

/* Dekorativni zlaty oddelovac */
.rule-gold {
  width: 54px; height: 2px; border: 0;
  background: linear-gradient(90deg, var(--c-gold), var(--c-accent));
  margin: var(--space-md) 0;
}
.section-head--center .rule-gold { margin-inline: auto; }

/* ==========================================================================
   Header (sticky) - sdileny napric variantami
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: color-mix(in oklab, var(--c-bg) 88%, transparent);
  border-bottom: 1px solid var(--c-border);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
/* Frosted efekt na ::before, aby hlavicka NEbyla containing block pro fixed
   off-canvas menu (jinak menu neni klipovano viewportem a rozsiruje stranku). */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  backdrop-filter: saturate(1.4) blur(10px);
  pointer-events: none;
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-height: 72px;
  padding-block: 0.6rem;
}

/* Transparentni hlavicka pro HP-1 (nad hero), po scrollu ztmavne */
.site-header--overlay {
  position: fixed;
  inset: 0 0 auto 0;
  background: transparent;
  border-bottom-color: transparent;
  color: #fff;
}
.site-header--overlay::before { backdrop-filter: none; }
.site-header--overlay .brand__name,
.site-header--overlay .brand__tag,
.site-header--overlay .nav__link,
.site-header--overlay .header-actions .icon-btn { color: #fff; }
.site-header--overlay .brand__mark { border-color: rgba(255,255,255,0.7); color: #fff; }
.site-header--overlay .nav__link::after { background: #fff; }
.site-header--overlay.is-stuck {
  position: fixed;
  background: color-mix(in oklab, #241C29 90%, transparent);
  border-bottom-color: rgba(255,255,255,0.10);
  box-shadow: var(--shadow-1);
}
.site-header--overlay.is-stuck::before { backdrop-filter: saturate(1.4) blur(12px); }

.brand { display: inline-flex; align-items: center; gap: 0.7rem; margin-right: auto; }
.brand:hover { text-decoration: none; }
/* Logo (template-parts/brand.php). PNG je vyrenderované přesně na tuhle
   velikost (85 × 40), takže se tu nic nepřepočítává - když se výška změní,
   musí se PNG přegenerovat z SVG masteru, jinak se logo začne rozmazávat.
   `max-width: none` kvůli globálnímu img { max-width: 100% }. */
.brand-logo {
  display: block;
  height: 40px;
  width: auto;
  max-width: none;
  flex: none;
}
/* Nad hero (transparentní hlavička) je potřeba světlá varianta; brand.php tam
   posílá tmavou, filtr z ní udělá bílou siluetu - logo je jednobarevné. */
.site-header--overlay .brand-logo { filter: brightness(0) invert(1); }
.brand__mark {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1.5px solid var(--c-primary);
  border-radius: 50%;
  color: var(--c-primary);
  font-family: var(--font-heading);
  font-size: 1.15rem;
  line-height: 1;
  flex: none;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--c-primary-ink);
  font-weight: 400;
  letter-spacing: 0.01em;
}
.brand__tag {
  font-family: var(--font-body);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.34em;
  color: var(--c-accent-deep);
  font-weight: 600;
}

.nav { display: flex; align-items: center; }
.nav__list { display: flex; align-items: center; gap: clamp(0.5rem, 1.6vw, 1.6rem); list-style: none; }
.nav__link {
  position: relative;
  font-size: 0.95rem;
  color: var(--c-text);
  padding: 0.4rem 0.1rem;
  letter-spacing: 0.01em;
}
.nav__link:hover { text-decoration: none; }
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -0.1rem;
  height: 1.5px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 0.4rem; }
.icon-btn {
  position: relative;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 0;
  background: transparent;
  color: var(--c-text);
  cursor: pointer;
}
.icon-btn:hover { background: var(--c-plum-wash); }
.site-header--overlay .icon-btn:hover { background: rgba(255,255,255,0.14); }
.icon-btn__badge {
  position: absolute;
  top: 4px; right: 4px;
  min-width: 17px; height: 17px;
  padding: 0 4px;
  display: grid; place-items: center;
  background: var(--c-accent-deep);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

.nav-toggle { display: none; }

/* Mobilni navigace */
@media (max-width: 860px) {
  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(84vw, 340px);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 5rem var(--gutter) var(--gutter);
    background: var(--c-surface);
    color: var(--c-text);
    box-shadow: var(--shadow-2);
    transform: translateX(100%);
    transition: transform var(--dur) var(--ease);
    z-index: 85;
  }
  .nav[data-open="true"] { transform: translateX(0); }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; width: 100%; }
  .nav__item { border-bottom: 1px solid var(--c-border); }
  .nav__link { display: block; padding: 0.95rem 0; font-size: 1.1rem; color: var(--c-text); }
  .nav__link::after { display: none; }
  .nav-toggle { display: grid; }
  .nav-backdrop {
    position: fixed; inset: 0;
    background: var(--c-plum-veil);
    opacity: 0; visibility: hidden;
    transition: opacity var(--dur) var(--ease), visibility var(--dur);
    z-index: 84;
  }
  .nav-backdrop[data-open="true"] { opacity: 1; visibility: visible; }
  .site-header--overlay .nav__link { color: var(--c-text); }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--c-primary);
  color: #E9DCE6;
  padding-block: var(--space-2xl) var(--space-lg);
  margin-top: var(--space-2xl);
}
.site-footer a { color: #F1E7EE; }
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-lg);
}
/* Patička má vlastní PNG vyrenderované na 72 × 34 - viz poznámka u .brand-logo. */
.site-footer__brand .brand-logo { height: 34px; }
.site-footer__brand .brand__name { color: #fff; }
.site-footer__brand .brand__mark { border-color: rgba(255,255,255,0.7); color: #fff; }
.site-footer__brand .brand__tag { color: var(--c-gold-soft); }
.site-footer__claim {
  font-family: var(--font-heading);
  font-size: var(--step-2);
  color: #fff;
  margin: var(--space-md) 0 var(--space-sm);
  max-width: 20ch;
}
.footer-col h3 {
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}
.footer-col ul { list-style: none; display: grid; gap: 0.55rem; }
.footer-col a { color: #D9C7D3; font-size: 0.95rem; }
.footer-col a:hover { color: #fff; }

.newsletter { display: flex; gap: 0.5rem; margin-top: var(--space-xs); }
.newsletter__input {
  flex: 1;
  min-width: 0;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: var(--radius);
  color: #fff;
  padding: 0.6rem 0.8rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
}
.newsletter__input::placeholder { color: #C7B4C3; }
.newsletter__input:focus-visible { outline-color: var(--c-gold); }

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.14);
  font-size: 0.82rem;
  color: #C7B4C3;
}
.social-links { display: flex; gap: 0.5rem; }
.social-links a {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: 50%;
  color: #fff;
}
.social-links a:hover { background: rgba(255,255,255,0.12); text-decoration: none; }

@media (max-width: 860px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
  .site-footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .site-footer__grid { grid-template-columns: 1fr; }
  .newsletter { flex-direction: column; }
}