/* ============================================================================
   LAYOUT  —  hlavička, navigace, patička, mřížky, hero stránek  (v2.1)
   ============================================================================ */

/* -------------------------------------------------- *
 *  HLAVIČKA + NAVIGACE
 * -------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition), background var(--transition);
}
.site-header.is-scrolled {
  background: rgba(255,255,255,0.96);
  border-bottom-color: var(--color-line);
  box-shadow: 0 1px 0 var(--color-line), 0 4px 20px rgba(26,30,40,0.06);
}

/* Top bar */
.topbar {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--fs-xs);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 36px;
  flex-wrap: nowrap;
}
.topbar a { color: #fff; }
.topbar a:hover { color: #fff; text-decoration: underline; }
.topbar__intro {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: var(--fw-medium); white-space: nowrap;
}
.topbar__intro::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(14,143,140,0.25);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(14,143,140,0.25); }
  50% { box-shadow: 0 0 0 6px rgba(14,143,140,0.08); }
}
.topbar__contact { display: flex; gap: var(--space-5); flex-wrap: nowrap; }
.topbar__contact span { display: inline-flex; align-items: center; gap: 6px; }
.topbar__contact svg { width: 14px; height: 14px; opacity: 0.7; }
.topbar__nowrap, .topbar__nowrap a { white-space: nowrap; }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: var(--header-h);
}

/* Logo */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.brand__mark { width: 44px; height: 44px; }
.brand__logo,
.brand .custom-logo { height: 46px; width: auto; max-width: 250px; display: block; }
.brand--light .brand__name { color: #fff; }
.brand--light .brand__tag { color: #8b8f99; }
.brand--light .brand__logo,
.brand--light .custom-logo { filter: brightness(0) invert(1); }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name {
  font-weight: var(--fw-extra);
  font-size: 1.12rem;
  color: var(--color-ink);
  letter-spacing: -0.02em;
}
.brand__name em { color: var(--color-primary); font-style: normal; }
.brand__tag {
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-muted);
  font-weight: var(--fw-semibold);
}

/* Desktop nav */
.nav { display: flex; align-items: center; gap: var(--space-2); }
.nav__list {
  display: flex; align-items: center;
  gap: var(--space-1);
  list-style: none; margin: 0; padding: 0;
}
.nav__item { position: relative; }
.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-weight: var(--fw-medium);
  font-size: 0.93rem;
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover,
.nav__item:hover > .nav__link,
.nav__item:focus-within > .nav__link {
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.nav__link[aria-current="page"] { color: var(--color-primary); }
.nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0.85rem; right: 0.85rem; bottom: 0;
  height: 2.5px;
  background: var(--grad-brand);
  border-radius: 2px;
}
.nav__caret { width: 12px; height: 12px; transition: transform var(--transition); }
.nav__item:hover .nav__caret { transform: rotate(180deg); }

/* Dropdown */
.nav__submenu {
  position: absolute; top: calc(100% + 6px); left: 0;
  min-width: 220px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  list-style: none; margin: 0;
  opacity: 0; visibility: hidden;
  transform: translateY(10px) scale(0.98);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  transform-origin: top center;
}
.nav__item:hover > .nav__submenu,
.nav__item:focus-within > .nav__submenu {
  opacity: 1; visibility: visible;
  transform: none;
  transition-delay: 0.08s;
}
.nav__submenu a {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--color-body);
  font-size: 0.92rem;
  font-weight: var(--fw-medium);
  transition: background var(--transition), color var(--transition);
}
.nav__submenu a:hover { background: var(--color-primary-light); color: var(--color-primary); }

/* Rich dropdown */
.nav__submenu--rich { min-width: 260px; padding: var(--space-3); }
.nav__submenu--rich a {
  display: flex; flex-direction: column; gap: 2px;
  padding: 0.6rem 0.8rem;
  border-left: 3px solid transparent;
}
.nav__submenu--rich a:hover { border-left-color: var(--color-primary); background: var(--color-primary-light); }
.nav__sublabel { font-weight: var(--fw-semibold); color: var(--color-ink); font-size: 0.95rem; }
.nav__submenu--rich a:hover .nav__sublabel { color: var(--color-primary); }
.nav__subdesc { font-size: var(--fs-xs); color: var(--color-muted); }

/* Header actions */
.header__actions { display: flex; align-items: center; gap: var(--space-2); }
.icon-btn {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-ink);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}
.icon-btn:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary-tint);
  transform: translateY(-1px);
}
.icon-btn svg { width: 20px; height: 20px; }
.nav-toggle { display: none; }

/* -------------------------------------------------- *
 *  MOBILNÍ NAVIGACE (drawer)
 * -------------------------------------------------- */
.mobile-nav {
  position: fixed; inset: 0;
  z-index: 9999;
  visibility: hidden; pointer-events: none;
  overflow: hidden;
}
.mobile-nav.is-open { visibility: visible; pointer-events: auto; }
.mobile-nav__overlay {
  position: absolute; inset: 0;
  background: rgba(16, 18, 23, 0.55);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--transition-slow);
}
.mobile-nav.is-open .mobile-nav__overlay { opacity: 1; }
.mobile-nav__panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: min(380px, 88vw);
  background: var(--color-white);
  box-shadow: var(--shadow-xl);
  padding: var(--space-5);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-nav.is-open .mobile-nav__panel { transform: none; }
.mobile-nav__head { display: flex; align-items: center; justify-content: space-between; }
.mobile-nav__head .brand { min-width: 0; gap: var(--space-2); }
.mobile-nav__head .brand__logo { height: 38px; max-width: 180px; }
.mobile-nav__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.mobile-nav__group { padding: 0.1rem 0; }
.mobile-nav__row { display: flex; align-items: stretch; gap: 6px; }
.mobile-nav__parent {
  display: flex; align-items: center;
  flex: 1; min-width: 0;
  padding: 0.82rem 0.9rem;
  border-radius: var(--radius);
  color: var(--color-ink);
  font-weight: var(--fw-bold);
  background: var(--color-surface);
  transition: color var(--transition), background var(--transition);
}
.mobile-nav__parent:hover { color: var(--color-primary); background: var(--color-primary-light); }

.mobile-nav__toggle { display: none; }
.ppz-js .mobile-nav__toggle {
  flex: 0 0 auto; width: 46px;
  display: grid; place-items: center;
  border: 0; border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-muted);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.mobile-nav__toggle:hover { background: var(--color-primary-light); color: var(--color-primary); }
.mobile-nav__toggle svg { width: 18px; height: 18px; transform: rotate(90deg); transition: transform var(--transition); }
.mobile-nav__group.is-expanded .mobile-nav__toggle { background: var(--color-primary-light); color: var(--color-primary); }
.mobile-nav__group.is-expanded .mobile-nav__toggle svg { transform: rotate(-90deg); }

.mobile-nav__sublist {
  list-style: none; margin: 0.45rem 0 0; padding: 0 0 0 0.9rem;
  display: grid; gap: 0.35rem;
  border-left: 2px solid var(--color-line);
}
.ppz-js .mobile-nav__group:not(.is-expanded) > .mobile-nav__sublist { display: none; }
.mobile-nav__sublist a {
  display: flex; flex-direction: column; gap: 2px;
  padding: 0.55rem 0.65rem;
  border-radius: var(--radius-sm);
  color: var(--color-body);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.mobile-nav__sublist a:hover { color: var(--color-primary); border-color: var(--color-primary-tint); background: var(--color-primary-light); }
.mobile-nav__sublist a span { font-size: var(--fs-xs); color: var(--color-muted); }

/* -------------------------------------------------- *
 *  HERO / ZÁHLAVÍ STRÁNKY
 * -------------------------------------------------- */
.page-hero {
  background: var(--grad-hero);
  border-bottom: 1px solid var(--color-line);
  padding-block: var(--space-9);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  top: -60%; right: -10%;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(109,63,156,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero__inner { max-width: 760px; position: relative; }
.page-hero h1 { margin-bottom: var(--space-3); }
.page-hero__lead {
  font-size: var(--fs-md);
  color: var(--color-muted);
  line-height: var(--lh-snug);
  max-width: 580px;
}

/* Breadcrumb */
.breadcrumb {
  display: flex; flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-4);
  list-style: none; padding: 0;
}
.breadcrumb li { display: inline-flex; align-items: center; gap: var(--space-2); }
.breadcrumb li:not(:last-child)::after { content: "/"; color: var(--color-line); }
.breadcrumb a { color: var(--color-muted); font-weight: var(--fw-medium); }
.breadcrumb a:hover { color: var(--color-primary); }

/* -------------------------------------------------- *
 *  MŘÍŽKY OBSAHU
 * -------------------------------------------------- */
.layout-with-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: var(--space-7);
  align-items: start;
}
.sidebar {
  position: sticky;
  top: calc(var(--header-h) + var(--space-4));
  display: grid; gap: var(--space-5);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.section-head h2 {
  position: relative;
  font-size: var(--fs-xl);
  padding-left: var(--space-4);
}
.section-head h2::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 1.1em;
  background: var(--grad-brand);
  border-radius: 3px;
}
.section-head__link {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-5);
}
.card-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* Articles list – řádky (jeden článek na řádek) */
.articles-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* -------------------------------------------------- *
 *  PATIČKA
 * -------------------------------------------------- */
.site-footer {
  background: var(--grad-footer);
  color: #b9bcc4;
  margin-top: var(--space-9);
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary-tint), var(--color-accent-light), transparent);
}
.footer__top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: var(--space-6);
  padding-block: var(--space-9);
}
.footer__col h3 {
  color: #fff;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
  font-weight: var(--fw-semibold);
}
.footer__about .brand__name { color: #fff; }
.footer__about .brand__tag { color: #8b8f99; }
.footer__about p { margin-top: var(--space-4); font-size: var(--fs-sm); line-height: var(--lh-normal); }
.footer__links { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.footer__links a {
  color: #b9bcc4;
  font-size: var(--fs-sm);
  transition: color var(--transition), padding-left var(--transition);
}
.footer__links a:hover { color: #fff; padding-left: 4px; }
.footer__contact { font-size: var(--fs-sm); display: grid; gap: var(--space-3); margin: 0; padding: 0; list-style: none; }
.footer__contact li { display: flex; gap: var(--space-3); align-items: flex-start; }
.footer__contact svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: rgba(255,255,255,0.4); }
.footer__contact a { color: #b9bcc4; }
.footer__contact a:hover { color: #fff; }

.footer__social { display: flex; gap: var(--space-3); margin-top: var(--space-5); }
.footer__social a {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  color: #fff;
  transition: background var(--transition), transform var(--transition), border-color var(--transition);
}
.footer__social a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  transform: translateY(-3px);
}
.footer__social svg { width: 18px; height: 18px; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-block: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--fs-xs);
  color: #6b7080;
}
.footer__bottom .pill { color: #fff; }
.footer__ic { margin-left: var(--space-3); opacity: 0.7; }

/* -------------------------------------------------- *
 *  RESPONZIVITA
 * -------------------------------------------------- */
@media (max-width: 1024px) {
  .layout-with-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1180px) {
  /* Plné desktopové menu (7 položek vč. „Zdraví životní styl") potřebuje
     ~1100px šířky – pod touto hranicí by se lámalo, proto přepínáme na
     mobilní menu dřív, než k tomu dojde. */
  .nav, .header__actions .icon-btn--search { display: none; }
  .nav-toggle { display: inline-grid; }
}

@media (max-width: 860px) {
  .card-grid--2 { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  /* Slogan v horní liště je nejdelší část řádku – na tabletu ho schováme
     první, ať telefon a e-mail zůstanou čitelné a nic se neořízne. */
  .topbar__intro { display: none; }
  .topbar__inner { justify-content: flex-end; }
}

@media (max-width: 1180px) {
  /* Pohodlnější dotykové ovládání na mobilu/tabletu (doporučené min. 44×44 px). */
  .icon-btn { width: 44px; height: 44px; }
}

@media (max-width: 560px) {
  .header__actions .btn { display: none; }
  .brand__mark { width: 38px; height: 38px; }
  .brand__logo { height: 40px; max-width: 200px; }
  .brand__name { font-size: 1rem; }
  .mobile-nav__panel { width: min(100vw, 420px); padding: var(--space-4); }
  .page-hero { padding-block: var(--space-7); }
}

@media (max-width: 620px) {
  .sidebar { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: var(--space-6); }
  .topbar { display: none; }
  .section { padding-block: var(--space-7); }
  .card-grid { grid-template-columns: 1fr; }
}