/* ==========================================================================
   nasivky-od1ks.cz — design systém + homepage
   Paleta vychází z loga (#373F51) a současného webu (prachová modrá,
   světle šedý podklad) — viz body ověřené pipetou v projektové poznámce.
   ========================================================================== */

/* --------------------------------------------------------------------------
   00  TOKENY
   -------------------------------------------------------------------------- */
:root {
  /* Ink — přesně barva z loga, beze změny odstínu */
  --color-ink:          #373F51;
  --color-ink-soft:     #5A6274;
  --color-ink-faint:    #868D9C;

  /* Podklad — neutrální světlá, se současným webem sdílí #F5F5F5,
     jen o vlásek oteplená, ať nepůsobí sterilně */
  --color-paper:        #F6F4F0;
  --color-card:         #FFFFFF;
  --color-border:       #E2DFD8;

  /* Akcent — prachová modrá z hlavičky a nadpisů současného webu,
     ztmavená pro dostatečný kontrast na bílém textu */
  --color-accent:       #3E6E8E;
  --color-accent-dark:  #2E5470;
  --color-accent-soft:  #DCE7ED;
  --color-accent-pale:  #EEF3F6;

  /* Druhý, velmi úsporně používaný tón — teplý okr, jediné místo,
     kde web opouští modro-šedou rodinu (ceny, drobné zvýraznění) */
  --color-warm:         #B97A3B;
  --color-warm-soft:    #F1E2CC;

  /* Typografie */
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Rozestupy */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6.5rem;

  /* Rádiusy — úsporné, ne všude stejné maximum */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  /* Stín — jeden jediný, velmi tichý; elevace řeší hlavně obrys */
  --shadow-sm: 0 1px 2px rgba(55, 63, 81, 0.06), 0 1px 1px rgba(55, 63, 81, 0.04);
  --shadow-md: 0 8px 20px -10px rgba(55, 63, 81, 0.22), 0 2px 6px -2px rgba(55, 63, 81, 0.08);

  --container: 1180px;
}

/* --------------------------------------------------------------------------
   01  RESET & ZÁKLAD
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 600; line-height: 1.15; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
svg { display: block; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.section { padding-block: var(--space-8); }
.section--tight { padding-block: var(--space-7); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}
.eyebrow::before {
  content: "";
  width: 16px;
  height: 1.5px;
  background: var(--color-accent);
  display: inline-block;
}

.section-heading { max-width: 640px; margin-bottom: var(--space-6); }
.section-heading h2 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); margin-top: var(--space-3); }
.section-heading p { margin-top: var(--space-3); color: var(--color-ink-soft); font-size: 1.05rem; }

/* --------------------------------------------------------------------------
   02  TLAČÍTKA
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.8em 1.5em;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn--primary { background: var(--color-accent); color: #FFFFFF; }
.btn--primary:hover { background: var(--color-accent-dark); }
.btn--ghost { background: transparent; color: var(--color-ink); border-color: var(--color-border); }
.btn--ghost:hover { border-color: var(--color-ink); }
.btn--sm { padding: 0.55em 1.15em; font-size: 0.88rem; }

/* --------------------------------------------------------------------------
   03  HLAVIČKA
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
}
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.logo__img {
  display: block;
  height: 38px;
  width: auto;
}
@media (max-width: 480px) {
  .logo__img { height: 30px; }
}
.nav-links {
  display: flex;
  gap: var(--space-5);
  font-weight: 600;
  font-size: 0.94rem;
}
.nav-links a { text-decoration: none; padding-block: var(--space-2); border-bottom: 2px solid transparent; }
.nav-links a:hover { border-color: var(--color-accent); }
.header-actions { display: flex; align-items: center; gap: var(--space-4); }
.header-phone { display: flex; align-items: center; gap: var(--space-2); font-weight: 700; font-size: 0.92rem; text-decoration: none; color: var(--color-ink-soft); }
.nav-toggle {
  display: none;
  width: 20px; height: 14px;
  position: relative;
  background: none; border: none; padding: 0;
  cursor: pointer;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after {
  content: ""; position: absolute; left: 0; width: 100%; height: 1.6px; background: var(--color-ink);
  transition: transform 0.18s ease, opacity 0.15s ease, top 0.18s ease;
}
.nav-toggle::before { top: 0; }
.nav-toggle span { top: 6px; }
.nav-toggle::after { top: 12px; }

.nav-toggle[aria-expanded="true"]::before { top: 6px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span { opacity: 0; }
.nav-toggle[aria-expanded="true"]::after { top: 6px; transform: rotate(-45deg); }

@media (max-width: 860px) {
  .site-header { position: sticky; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }

  /* Ikona telefonu bez popisku je na mobilu jen matoucí tečka mezi
     logem a tlačítkem — číslo je vždy na dosah na stránce Kontakt.
     Bez ní zůstane akční skupina jen tlačítko + hamburger, což je
     čitelnější a lépe vyvážené proti logu vlevo. */
  .header-phone { display: none; }
  .header-actions { gap: var(--space-3); }
  .header-actions .btn--sm { padding: 0.5em 0.9em; font-size: 0.84rem; }

  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) var(--space-5) var(--space-4);
    box-shadow: var(--shadow-md);
  }
  .nav-links.is-open a {
    padding-block: var(--space-3);
    border-bottom: 1px solid var(--color-border);
  }
  .nav-links.is-open a:last-child { border-bottom: none; }
}

/* --------------------------------------------------------------------------
   04  HERO
   -------------------------------------------------------------------------- */
.hero { padding-block: var(--space-7); }
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: var(--space-8);
  align-items: center;
}
.hero__text h1 {
  font-size: clamp(2.1rem, 3.6vw, 3.1rem);
  letter-spacing: -0.01em;
}
.hero__text h1 em {
  font-style: italic;
  color: var(--color-accent);
  font-weight: 500;
}
.hero__lede {
  margin-top: var(--space-4);
  font-size: 1.1rem;
  color: var(--color-ink-soft);
  max-width: 44ch;
}
.hero__actions {
  margin-top: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.hero__note {
  font-size: 0.88rem;
  color: var(--color-ink-faint);
}
.hero__facts {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}
.hero__fact strong { display: block; font-family: var(--font-display); font-size: 1.5rem; color: var(--color-ink); }
.hero__fact span { font-size: 0.82rem; color: var(--color-ink-faint); }

/* Vizuál — jeden rámovaný snímek s visačkou v rohu, ne koláž bloků */
.hero__visual { position: relative; }
.hero__frame {
  position: relative;
  aspect-ratio: 4 / 4.6;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(165deg, #E9E4DA 0%, #DAD3C4 100%);
  border: 1px solid var(--color-border);
}
.hero__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__frame-note {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-ink-faint);
  font-size: 0.82rem;
  text-align: center;
  padding: var(--space-5);
}
.hero__tag {
  position: absolute;
  left: var(--space-5);
  bottom: var(--space-5);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-md);
}
.hero__tag strong { display: block; font-family: var(--font-display); font-size: 1.05rem; }
.hero__tag span { font-size: 0.78rem; color: var(--color-ink-faint); }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { order: -1; width: 100%; max-width: 420px; margin-inline: auto; }
  .hero__facts { flex-wrap: wrap; gap: var(--space-5); }
}

/* --------------------------------------------------------------------------
   05  USP PRUH
   -------------------------------------------------------------------------- */
.usp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}
.usp-card {
  padding: var(--space-5);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.usp-card__icon { color: var(--color-accent); margin-bottom: var(--space-4); }
.usp-card h3 { font-size: 1rem; font-family: var(--font-body); font-weight: 700; }
.usp-card p { margin-top: var(--space-2); color: var(--color-ink-soft); font-size: 0.9rem; }

@media (max-width: 900px) {
  .usp-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .usp-grid { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   06  KALKULAČKA — teaser blok na homepage
   -------------------------------------------------------------------------- */
.calc-teaser {
  background: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  color: #F1EFEA;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-7);
  align-items: center;
}
.calc-teaser .eyebrow { color: #9FB3C4; }
.calc-teaser .eyebrow::before { background: #9FB3C4; }
.calc-teaser h2 { color: #FAF8F4; font-size: clamp(1.5rem, 2.6vw, 2rem); margin-top: var(--space-3); }
.calc-teaser p { color: #B7BECB; margin-top: var(--space-3); }
.calc-teaser .btn--primary { margin-top: var(--space-5); }

.calc-teaser__price-card {
  background: var(--color-card);
  color: var(--color-ink);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}
.calc-teaser__price-card .label { font-size: 0.82rem; color: var(--color-ink-faint); font-weight: 700; }
.calc-teaser__price-card .amount { font-family: var(--font-display); font-size: 2.2rem; margin-top: var(--space-1); color: var(--color-warm); }
.calc-teaser__price-card .amount small { font-size: 1rem; font-family: var(--font-body); color: var(--color-ink-faint); }
.calc-teaser__row { display: flex; justify-content: space-between; padding-block: var(--space-2); font-size: 0.88rem; border-top: 1px solid var(--color-border); }
.calc-teaser__row .strike { text-decoration: line-through; opacity: .55; margin-right: var(--space-2); color: var(--color-ink-faint); }

@media (max-width: 860px) {
  .calc-teaser { grid-template-columns: 1fr; padding: var(--space-6); }
}

/* --------------------------------------------------------------------------
   07  GALERIE UKÁZEK
   -------------------------------------------------------------------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
.gallery-item {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  background: linear-gradient(165deg, #E9E4DA, #D9D1BF);
  border: 1px solid var(--color-border);
  position: relative;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.gallery-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery-item span {
  position: relative;
  font-size: 0.78rem; font-weight: 600; color: #FFF7F2;
  padding: var(--space-4) var(--space-3) var(--space-3);
  width: 100%;
  background: linear-gradient(to top, rgba(23,27,32,0.72), transparent);
}
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }

/* --------------------------------------------------------------------------
   07b  ÚPRAVA RUBU
   -------------------------------------------------------------------------- */
.rub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.rub-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.rub-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.rub-card h3 { font-size: 1.05rem; font-family: var(--font-body); font-weight: 700; margin-top: var(--space-4); }
.rub-card p { margin-top: var(--space-2); color: var(--color-ink-soft); font-size: 0.92rem; }
.rub-card__cena {
  display: inline-block;
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-accent-dark);
}

.rub-card__swatch {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  background: linear-gradient(165deg, #E9E4DA, #D9D1BF);
}
.rub-card__swatch img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

/* --------------------------------------------------------------------------
   07c  ČASTÉ DOTAZY
   -------------------------------------------------------------------------- */
.faq {
  border-top: 1px solid var(--color-border);
}
.faq__item {
  border-bottom: 1px solid var(--color-border);
}
.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-5) 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: color 0.15s ease;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--color-accent); }
/* Plus/minus indikátor vlevo — kruh v akcentu, přepne se na „−" při otevření */
.faq__item summary::before {
  content: "+";
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s ease, transform 0.2s ease;
}
.faq__item[open] summary::before {
  content: "\2212";
  background: var(--color-accent);
  color: #FFF7F2;
}
.faq__item summary:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: var(--radius-sm); }
.faq__answer {
  padding: 0 0 var(--space-5) calc(26px + var(--space-4));
  color: var(--color-ink-soft);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   08  CTA POPTÁVKA
   -------------------------------------------------------------------------- */
.cta-band {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  background: var(--color-card);
}
.cta-band h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.cta-band p { margin-top: var(--space-3); color: var(--color-ink-soft); max-width: 52ch; margin-inline: auto; }
.cta-band .btn { margin-top: var(--space-5); }

/* --------------------------------------------------------------------------
   09  PATIČKA
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-ink);
  color: #B7BECB;
  padding-block: var(--space-8) var(--space-6);
  margin-top: var(--space-9);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: var(--space-6);
}
.footer-grid h4 { color: #FAF8F4; font-family: var(--font-body); font-size: 0.88rem; margin-bottom: var(--space-4); }
.footer-grid a { text-decoration: none; color: #B7BECB; }
.footer-grid a:hover { color: #FAF8F4; }
.footer-links li { margin-bottom: var(--space-2); font-size: 0.9rem; }
.footer-logo { font-family: var(--font-display); font-size: 1.25rem; color: #FAF8F4; }
.footer-bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: 0.8rem;
  color: #7C8496;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------------------
   10  COOKIE LIŠTA
   -------------------------------------------------------------------------- */
.cookie-bar {
  position: fixed;
  left: var(--space-5);
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 60;
  max-width: 620px;
  margin-inline: auto;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.cookie-bar__text { font-size: 0.88rem; color: var(--color-ink-soft); }
.cookie-bar__text a { color: var(--color-accent-dark); text-decoration: underline; }
.cookie-bar__actions { display: flex; gap: var(--space-3); justify-content: flex-end; }
@media (max-width: 480px) {
  .cookie-bar__actions { flex-direction: column-reverse; }
  .cookie-bar__actions .btn { width: 100%; }
}
@media (max-width: 900px) {
  body:has(.dock:not([hidden])) .cookie-bar { bottom: calc(var(--space-5) + 64px); }
}