/* ==========================================================================
   T&V Okna – design tokens & base
   ========================================================================== */

:root {
  /* barvy */
  --color-primary: #465DF6;
  --color-primary-dark: #3448c9;
  --color-primary-light: #7C8CF8;
  --color-secondary: #ECE9E6;
  --color-bg: #FFFFFF;
  --color-bg-section: #F5F3F1;
  --color-text: #333333;
  --color-text-muted: #838383;
  --color-image-muted: #bbbbbb;
  --color-white: #FFFFFF;

  /* typografie */
  --font-base: "Google Sans Flex", "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --fs-h1: clamp(2.5rem, 1.4rem + 4.4vw, 4.5rem);
  --fs-h2: clamp(2rem, 1.3rem + 2.8vw, 3rem);
  --fs-h3: clamp(1.375rem, 1.1rem + 1.1vw, 1.75rem);
  --fs-h4: clamp(1.15rem, 1rem + 0.6vw, 1.375rem);
  --fs-lead: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --fs-body: clamp(1rem, 0.93rem + 0.18vw, 1.167rem);
  --fs-small: 0.875rem;
  --fs-label: 0.8125rem;
  --fs-trust-bar: clamp(1rem, 0.85rem + 0.6vw, 1.667rem);
  /* 1.667rem = 20pt */

  --lh-heading: 1.2;
  --lh-body: 1.7;

  /* spacing – 8px grid, fluidní od space-4 výš */

  /* pevné – komponentová úroveň, drží 8px grid beze změny */
  --space-1: 0.5rem;
  /* 8px */
  --space-2: 1rem;
  /* 16px */
  --space-3: 1.5rem;
  /* 24px */

  /* fluidní – layoutová úroveň, škáluje mezi mobilem (400px) a desktopem (1280px) */
  --space-4: clamp(1.5rem, 1.273rem + 0.909vw, 2rem);
  /* 24px → 32px */
  --space-5: clamp(2rem, 1.545rem + 1.818vw, 3rem);
  /* 32px → 48px */
  --space-6: clamp(2.5rem, 1.818rem + 2.727vw, 4rem);
  /* 40px → 64px */
  --space-7: clamp(3.5rem, 2.364rem + 4.545vw, 6rem);
  /* 56px → 96px */
  --space-8: clamp(4.5rem, 2.909rem + 6.364vw, 8rem);
  /* 72px → 128px */
  --space-9: clamp(6rem, 3.273rem + 10.909vw, 12rem);
  /* 96px → 192px */

  /* layout */
  --container-width: 85%;
  --container-max: 1600px;
  --radius-img: 24px;
  --radius-btn: 0.5rem;
  --radius-card: 24px;

  /* efekty */
  --shadow-soft: 0 4px 24px rgba(51, 51, 51, 0.08);
  --shadow-card: 0 8px 32px rgba(51, 51, 51, 0.06);
  --transition-fast: 220ms ease;
  --transition-base: 320ms ease;

  --header-height: 5.5rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: var(--lh-body);
  letter-spacing: 0.02em;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-base);
  font-weight: 600;
  line-height: var(--lh-heading);
  margin: 0 0 var(--space-3);
  text-wrap: balance;
}

h1 {
  font-size: var(--fs-h1);
  font-weight: 500;
}

/* H1/H2 – reveal animace při zobrazení (slovo po slově, posun nahoru + fade in) */
.text-word-mask {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  padding-bottom: 0.2em;
  margin-bottom: -0.2em;
}

.text-word {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease;
}

h1.is-revealed .text-word,
h2.is-revealed .text-word {
  transform: translateY(0);
  opacity: 1;
}

h2 {
  font-size: var(--fs-h2);
  letter-spacing: 0.02em;
  font-weight: 200;
  line-height: 1.3em;
}

h3 {
  font-size: var(--fs-h3);
}

h4 {
  font-size: var(--fs-h4);
}

p {
  margin: 0 0 var(--space-2);
  text-align: left;
  /* nikdy nezarovnávat do bloku */
  color: var(--color-text);
}

/* jednopísmenné spojky/předložky nezalamovat na konec řádku */
.nowrap-word {
  white-space: nowrap;
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -60px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-btn);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-2);
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */

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

.prose {
  max-width: 65ch;
}

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

#nabidka {
  padding-top: var(--space-6);
  padding-bottom: var(--space-8);
}

.section-bg {
  background: var(--color-bg-section);
}

.section-label {
  display: block;
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.section-head h2 {
  margin-bottom: 0;
  max-width: 42rem;
}

.section-head .section-head-text {
  font-size: var(--fs-body);
  padding-top: var(--space-5);
}

@media (min-width: 700px) {
  .section-head {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }
}

/* fade-in on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 0.9rem 1.75rem;
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline-dark:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0));
  opacity: 1;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.site-header.is-scrolled {
  background: var(--color-bg);
  box-shadow: var(--shadow-soft);
}

.site-header.is-scrolled::before {
  opacity: 0;
}

/* varianta pro podstránky se světlým pozadím hned pod hlavičkou –
   splyne s pozadím stránky, bílá barva a stín přijdou až po scrollu (.is-scrolled) */
.site-header--light {
  background: transparent;
}

.site-header--light::before {
  opacity: 0;
}

.header-inner {
  width: var(--container-width);
  max-width: var(--container-max);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.logo-link {
  display: block;
  flex-shrink: 0;
}

.logo-link img {
  height: 2.75rem;
  width: auto;
}


@media (max-width: 599px) {
  .logo-link img {
    height: 2rem;
  }
}

.logo-light {
  display: block;
}

.logo-dark {
  display: none;
}

.site-header.is-scrolled .logo-light,
.site-header--light .logo-light {
  display: none;
}

.site-header.is-scrolled .logo-dark,
.site-header--light .logo-dark {
  display: block;
}

.site-header--light .main-nav a,
.site-header--light .main-nav .nav-category-toggle {
  color: var(--color-text);
}

.main-nav {
  display: none;
}

.main-nav>ul {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.main-nav a,
.main-nav .nav-category-toggle,
.main-nav .is-disabled {
  display: inline-flex;
  align-items: center;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  padding-block: var(--space-1);
  padding-inline: 0;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.main-nav .nav-category-toggle {
  cursor: default;
}

.site-header.is-scrolled .main-nav a,
.site-header.is-scrolled .main-nav .nav-category-toggle,
.site-header--light .main-nav a,
.site-header--light .main-nav .nav-category-toggle {
  color: var(--color-text);
}

.site-header.is-scrolled .main-nav .is-disabled,
.site-header--light .main-nav .is-disabled {
  color: var(--color-text-muted);
}

.main-nav a:hover,
.main-nav a[aria-current="page"],
.main-nav .nav-category-toggle:hover,
.main-nav .nav-category-toggle.is-active {
  border-color: currentColor;
}

.nav-item-has-children {
  position: relative;
}

/* neviditelný "můstek" přes mezeru mezi položkou menu a dropdownem,
   aby hover nezmizel při přejíždění myší k rozbalené nabídce */
.nav-item-has-children::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 1rem;
}

.nav-item-has-children>a,
.nav-item-has-children>.nav-category-toggle {
  gap: 0.35em;
}

.nav-item-has-children .fa-chevron-down {
  font-size: 0.65em;
  transition: transform var(--transition-fast);
}

.nav-item-has-children:hover .fa-chevron-down,
.nav-item-has-children:focus-within .fa-chevron-down {
  transform: rotate(180deg);
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 1rem;
  min-width: max-content;
  background: var(--color-bg);
  border-radius: var(--radius-btn);
  box-shadow: var(--shadow-card);
  padding: var(--space-1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.nav-item-has-children:hover .dropdown,
.nav-item-has-children:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  color: var(--color-text);
  padding: 0.6rem 1rem;
  border-radius: 0.4rem;
  border-bottom: none;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 600;
  white-space: nowrap;
}

.dropdown a:hover {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 6px;
}

.site-header.is-scrolled .dropdown a:hover,
.site-header--light .dropdown a:hover {
  color: var(--color-primary);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  background: transparent;
  border: none;
  color: var(--color-white);
  font-size: 1.35rem;
}

.site-header.is-scrolled .nav-toggle,
.site-header--light .nav-toggle {
  color: var(--color-text);
}

/* mobilní menu */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 99;
  padding: calc(var(--header-height) + var(--space-3)) var(--space-4) var(--space-4);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-nav>ul>li {
  border-bottom: 1px solid var(--color-secondary);
}

.mobile-nav a,
.mobile-nav-category,
.mobile-nav .is-disabled {
  display: block;
  padding: var(--space-2) 0;
  font-weight: 700;
  font-size: var(--fs-lead);
}

.mobile-nav ul.mobile-submenu {
  padding-left: var(--space-2);
  padding-bottom: var(--space-2);
  display: none;
}

.mobile-nav ul.mobile-submenu.is-open {
  display: flex;
}

.mobile-submenu a {
  font-weight: 400;
  font-size: var(--fs-body);
  padding-block: var(--space-1);
  color: var(--color-text-muted);
}

.mobile-nav-toggle-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-submenu-toggle {
  background: none;
  border: none;
  padding: var(--space-2);
  color: var(--color-text);
  font-size: 1rem;
}

.mobile-submenu-toggle .fa-chevron-down {
  transition: transform var(--transition-fast);
}

.mobile-submenu-toggle[aria-expanded="true"] .fa-chevron-down {
  transform: rotate(180deg);
}

.mobile-nav .btn {
  display: inline-flex;
  margin-top: var(--space-4);
  width: 100%;
}

/* sticky poptávka tab – na desktopu i tabletu, na mobilu je dostupná přes menu */
.sticky-cta {
  display: none;
  position: fixed;
  right: 3rem;
  top: 50%;
  transform: translateY(-50%) rotate(180deg);
  writing-mode: vertical-rl;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-4) var(--space-2);
  border-radius: var(--radius-btn);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 90;
  box-shadow: var(--shadow-soft);
  transition: background var(--transition-fast), padding-right var(--transition-fast), transform var(--transition-fast);
}

.sticky-cta:hover {
  background: var(--color-primary-dark);
  padding-right: var(--space-2);
  transform: translateY(-50%) rotate(180deg) scale(1.05);
}

@media (min-width: 600px) {
  .sticky-cta {
    display: block;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: calc(var(--header-height) + var(--space-4));
  padding-bottom: var(--space-7);

  color: var(--color-white);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(20, 20, 30, 0.72) 0%, rgba(20, 20, 30, 0.25) 45%, rgba(20, 20, 30, 0.35) 100%);
  z-index: -1;
}

.hero-inner {
  width: var(--container-width);
  max-width: var(--container-max);
  margin-inline: auto;
}

.hero-content {
  width: 100%;
}

.hero h1 {
  max-width: 42rem;
  margin-bottom: var(--space-2);
}

.hero-bottom-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.hero-bottom-row .btn-group {
  order: 2;
}

.hero-lead {
  order: 1;
  font-size: var(--fs-lead);
  line-height: 1.5em;
  letter-spacing: 0.03em;
  max-width: 37rem;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.92);
}

@media (min-width: 900px) {
  .hero-bottom-row .btn-group {
    order: 0;
  }

  .hero-lead {
    order: 0;
  }
}

/* ==========================================================================
   Trust bar
   ========================================================================== */

.trust-bar {
  padding-block: var(--space-4);
  overflow: hidden;
}

.trust-bar-track {
  display: flex;
  width: max-content;
  animation: trust-bar-marquee 140s linear infinite;
  will-change: transform;
  backface-visibility: hidden;
}

.trust-bar-list {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--space-5);
  padding-right: var(--space-5);
}

.trust-bar li {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  font-size: var(--fs-trust-bar);
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  white-space: nowrap;
}

@keyframes trust-bar-marquee {
  from {
    transform: translate3d(0, 0, 0);
  }

  to {
    transform: translate3d(-50%, 0, 0);
  }
}

.trust-bar-icon {
  width: 0.7em;
  height: auto;
  flex-shrink: 0;
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* ==========================================================================
   Intro text
   ========================================================================== */

.intro-text {
  padding-top: var(--space-8);
  padding-bottom: var(--space-1);
}

.intro-text h2 {
  max-width: 50rem;
  margin-left: auto;
}

/* ==========================================================================
   Nabídka
   ========================================================================== */

.offer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.offer-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  min-height: 20rem;
  display: flex;
  align-items: flex-start;
  background: var(--color-secondary);
  transition: background var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
}

.offer-card:hover {
  background: var(--color-primary);
}

.offer-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: blur(8px);
  transition: filter var(--transition-base), opacity var(--transition-base);
}

.offer-card:hover img {
  opacity: 0.2;
  filter: blur(0);
}

.offer-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--color-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.offer-card:hover::after {
  opacity: 0.55;
}

.offer-card-title {
  position: relative;
  z-index: 1;
  padding: var(--space-5);
  letter-spacing: 0.04em;
  margin: 0;
  font-size: var(--fs-h4);
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color var(--transition-base);
}

.offer-card:hover .offer-card-title {
  color: var(--color-white);
}

.offer-sublist {
  position: absolute;
  left: var(--space-5);
  bottom: var(--space-4);
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  pointer-events: none;
}

.offer-card:hover .offer-sublist {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.offer-sublist a {
  font-size: var(--fs-body);
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-white);
  width: fit-content;
  border-bottom: 1px solid transparent;
}

.offer-sublist a:hover {
  border-color: currentColor;
}

.offer-coming-soon {
  font-size: var(--fs-body);
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-white);
  margin: 0;
}

/* box zatím není aktivní – chová se jako ostatní karty, ale hover je šedý místo modrého */
.offer-card.offer-card--soon:hover {
  background: var(--color-text-muted);
}

.offer-card.offer-card--soon::after {
  background: var(--color-image-muted);
}

/* dotyková zařízení (mobil, tablet/iPad bez myši či trackpadu) nemají skutečný hover –
   karty proto zobrazujeme trvale "rozbalené", jinak by se barva, ostrý obrázek
   ani odkazy vůbec neukázaly (:hover se u <div> bez odkazu/tlačítka na dotyk nespustí) */
@media (hover: none) {
  .offer-card {
    background: var(--color-primary);
  }

  .offer-card img {
    opacity: 0.2;
    filter: blur(0);
  }

  .offer-card::after {
    opacity: 0.55;
  }

  .offer-card-title {
    color: var(--color-white);
  }

  .offer-sublist {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .offer-card.offer-card--soon {
    background: var(--color-text-muted);
  }

  .offer-card.offer-card--soon::after {
    background: var(--color-image-muted);
  }
}

.is-disabled {
  cursor: default;
  pointer-events: none;
}

.main-nav .is-disabled,
.mobile-nav .is-disabled {
  color: var(--color-text-muted);
}

.footer-col .is-disabled {
  color: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   CTA panel
   ========================================================================== */

.cta-panel {
  background: var(--color-primary);
  color: var(--color-white);
  padding-block: var(--space-8);
}

.cta-panel-inner {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--space-4);
  padding-inline: var(--space-4);
  text-align: center;
}

.cta-panel-inner .btn-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.cta-panel h2 {
  margin-bottom: 0;
}

@media (min-width: 900px) {
  .cta-panel-inner {
    grid-template-columns: 1fr auto;
    padding-inline: var(--space-9);
    text-align: left;
  }

  .cta-panel-inner .btn-group {
    align-items: flex-start;
  }
}

/* ==========================================================================
   Spolupráce (accordion – proces)
   ========================================================================== */

.process {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.process-intro {
  max-width: 32rem;
}

.process-list {
  border-top: 0px solid var(--color-secondary);
}

.process-item {
  border-radius: 0.75rem;
  transition: background var(--transition-fast);
}

.process-item:hover,
.process-item.is-open {
  background: var(--color-secondary);
}

.process-item-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 2.4rem;
  background: none;
  border: none;
  text-align: left;
  padding: var(--space-4) var(--space-3);
  color: var(--color-text);
  border-radius: 0.75rem;
}

.process-number {
  font-weight: 600;
  color: var(--color-text);
  width: 1.5rem;
  flex-shrink: 0;
  font-size: var(--fs-h4);
  letter-spacing: 0.03em;
}

.process-title {
  flex: 1;
  margin: 0;
  font-size: var(--fs-h4);
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: inherit;
}

.process-icon {
  position: relative;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.process-icon::before,
.process-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--color-primary);
  transition: transform var(--transition-base);
}

.process-icon::before {
  width: 1rem;
  height: 3px;
  transform: translate(-50%, -50%);
}

.process-icon::after {
  width: 3px;
  height: 1rem;
  transform: translate(-50%, -50%) rotate(0deg);
}

.process-item.is-open .process-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.process-panel {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 420ms ease, opacity 420ms ease;
}

.process-item.is-open .process-panel {
  max-height: 12rem;
  opacity: 1;
}

.process-item.is-open .process-panel p {
  transform: translateY(0);
}

.process-panel p {
  /* zarovnání na nadpis: padding hlavičky + šířka čísla + mezera z .process-item-header,
     napevno – nesmí se odvíjet od fluidní proměnné, jinak se na mobilu/tabletu rozjede */
  margin: 0 var(--space-3) var(--space-3) calc(var(--space-3) + 1.5rem + 2.4rem);
  background: var(--color-secondary);
  border-radius: 0.75rem;
  color: var(--color-text);
  font-size: var(--fs-body);
  max-width: 34rem;
  transform: translateY(-10px);
  transition: transform 420ms ease;
}

/* ==========================================================================
   Kdo jsme
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.about-side p {
  color: var(--color-);
  font-size: var(--fs-body);
  padding-top: 3rem;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.about-feature {
  text-align: center;
}

.counter-circle {
  position: relative;
  width: 5rem;
  height: 5rem;
  margin: 0 auto var(--space-2);
}

.counter-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.counter-ring-bg,
.counter-ring-fill {
  fill: none;
  stroke-width: 5;
}

.counter-ring-bg {
  stroke: var(--color-secondary);
}

.counter-ring-fill {
  stroke: var(--color-primary);
  stroke-linecap: round;
  stroke-dasharray: 213.63;
  stroke-dashoffset: 213.63;
  transition: stroke-dashoffset 1.4s ease;
}

.counter-circle.is-active .counter-ring-fill {
  stroke-dashoffset: 0;
}

.counter-value {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--fs-small);
  color: var(--color-primary);
}

.about-feature span {
  font-size: var(--fs-body);
  font-weight: 400;
}

/* ==========================================================================
   Naše realizace
   ========================================================================== */

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.gallery-tile {
  border-radius: var(--radius-card);
  background: var(--color-bg-section);
  min-height: 14rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--fs-small);
  overflow: hidden;
  position: relative;
}

.gallery-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.gallery-stat {
  background: var(--color-bg-section);
  border-radius: var(--radius-card);
  padding: var(--space-6) var(--space-4);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 16rem;
}

.gallery-stat strong {
  font-size: var(--fs-h2);
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1;
}

.gallery-stat span {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.gallery-tile--tall {
  min-height: 28rem;
}

/* ==========================================================================
   Full width image
   ========================================================================== */

.full-width-image {
  position: relative;
  height: 40rem;
  overflow: hidden;
}

.full-width-image img {
  position: absolute;
  top: -150px;
  left: 0;
  width: 100%;
  height: calc(100% + 300px);
  object-fit: cover;
  will-change: transform;
}

/* ==========================================================================
   Contact form
   ========================================================================== */

.contact-section {
  background: var(--color-primary);
  color: var(--color-white);
  padding-block: var(--space-8);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: start;
}

.contact-intro h2 {
  max-width: 32rem;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4) var(--space-3);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field.is-full {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: var(--fs-small);
  font-weight: 600;
}

.form-field input,
.form-field textarea,
.form-field select {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.55);
  color: var(--color-white);
  font-family: inherit;
  font-size: var(--fs-body);
  font-weight: 400;
  padding: 0.6rem 0.1rem;
  resize: vertical;
}

.form-field select {
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath d='M5.5 7.5l4.5 4.5 4.5-4.5' stroke='white' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.1rem center;
  background-size: 1.1rem;
  padding-right: 1.5rem;
}

.form-field select option {
  color: var(--color-text);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--color-white);
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: var(--fs-small);
}

.form-consent input {
  margin-top: 0.3rem;
}

.form-consent a {
  text-decoration: underline;
}

/* honeypot - skryté pole proti spamu */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form .btn {
  align-self: flex-start;
}

.form-status {
  grid-column: 1 / -1;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-white);
}

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

.site-footer {
  background: #20242E;
  color: rgba(255, 255, 255, 0.82);
  padding-block: var(--space-7) var(--space-4);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  justify-self: start;
  text-align: left;
}

.footer-brand img {
  height: 4rem;
  width: auto;
  opacity: 0.6;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  scroll-margin-top: var(--header-height);
}

.footer-contact a {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: 0.02rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer-contact a:hover {
  color: rgba(255, 255, 255);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-col a {
  font-size: var(--fs-small);
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.6);
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-white);
}

.footer-col-spacer {
  font-size: var(--fs-small);
  line-height: var(--lh-body);
}

.footer-col-text {
  font-size: var(--fs-small);
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.6);
  white-space: nowrap;
}

.footer-col-registry {
  color: rgba(255, 255, 255, 0.3);
}

.footer-col-heading {
  display: block;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-2);
}

/* uvnitř ul přispívá do mezery i flex gap (0.6rem), takže vlastní margin snížíme,
   aby výsledná mezera odpovídala nadpisu "Nabízíme" mimo seznam */
li.footer-col-heading {
  margin-bottom: calc(var(--space-2) - 0.6rem);
}

.footer-soon-item {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: var(--space-1);
}

.footer-soon-item span:first-child {
  font-size: var(--fs-small);
  line-height: 1.2;
  color: rgba(255, 255, 255, 0.6);
  white-space: nowrap;
}

.footer-badge-soon {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  white-space: nowrap;
}

.footer-social {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.footer-social a {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.footer-bottom {
  padding-top: var(--space-3);
  font-size: var(--fs-small);
  display: flex;
  flex-wrap: wrap;
  justify-content: left;
  gap: var(--space-2);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.3);
  font-size: var(--fs-small);
  letter-spacing: 0.04rem;
  text-align: left;
}

.footer-credits {
  text-align: right;
}

.footer-credits a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer-credits a:hover {
  color: var(--color-white);
}

/* ==========================================================================
   Cookie lišta
   ========================================================================== */

.cookie-bar {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  width: min(26rem, calc(100vw - var(--space-6) * 2));
  background: var(--color-bg);
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-3);
  z-index: 200;
  transform: translateY(140%);
  transition: transform var(--transition-base);
}

.cookie-bar.is-visible {
  transform: translateY(0);
}

.cookie-bar p {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.cookie-bar p a {
  color: var(--color-primary);
  text-decoration: underline;
}

.cookie-settings {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
  padding-top: var(--space-2);
  padding-bottom: var(--space-1);
}

.cookie-settings:not([hidden]) {
  display: flex;
}

.cookie-setting-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--fs-small);
  color: var(--color-text);
}

.cookie-setting-item em {
  font-style: normal;
  color: var(--color-text-muted);
}

.cookie-settings-save {
  margin-top: var(--space-1);
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.cookie-actions .btn,
.cookie-settings-save {
  padding: 0.6rem 1rem;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   Chybová stránka 404
   ========================================================================== */

.error-page {
  text-align: center;
  padding-top: calc(var(--header-height) + var(--space-7));
  padding-bottom: var(--space-8);
}

.error-code {
  font-size: clamp(4rem, 3rem + 6vw, 9rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-3);
}

.error-page p {
  max-width: 34rem;
  margin-inline: auto;
  margin-bottom: var(--space-5);
  text-align: center;
}

.error-page .btn-group {
  justify-content: center;
}

/* ==========================================================================
   Skip to content / utility
   ========================================================================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Responsive – mobil (<600px)
   ========================================================================== */

@media (max-width: 599px) {

  .full-width-image {
    height: 22rem;
  }

  /* poptávkový formulář – pole pod sebou */
  .contact-form {
    grid-template-columns: 1fr;
  }

  .form-field.is-full {
    grid-column: 1;
  }

  /* karty nabídky na mobilu – o třetinu nižší, větší titulek
     (barevný/vizuální "trvalý hover" stav řeší @media (hover: none) výše) */
  .offer-card {
    min-height: 13.33rem;
  }

  .offer-card-title {
    font-size: var(--fs-h3);
  }
}

/* ==========================================================================
   Responsive – tablet (≥600px)
   ========================================================================== */

@media (min-width: 600px) {
  .full-width-image {
    height: 25rem;
  }

  .offer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* footer na tabletu – dva sloupce místo jednoho pod sebou
     (logo + kontakt v prvním řádku, Nabízíme + Firma ve druhém) */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-form {
    grid-template-columns: 1fr 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-tile:nth-child(1) {
    grid-column: span 1;
    grid-row: span 2;
  }

  .gallery-tile:nth-child(6) {
    grid-column: span 2;
  }
}

/* ==========================================================================
   Responsive – desktop (≥900px)
   ========================================================================== */

@media (min-width: 900px) {
  .hero {
    max-height: 40rem;
  }

  .full-width-image {
    height: 50rem;
  }

  .main-nav {
    display: block;
  }

  .nav-toggle {
    display: none;
  }

  .about-grid {
    grid-template-columns: 2fr 1fr;
    gap: var(--space-6);
  }

  .about-features {
    grid-template-columns: repeat(4, 1fr);
  }

  .process {
    grid-template-columns: 0.8fr 1.2fr;
  }

  .contact-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: var(--space-5) var(--space-7);
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: 13rem 13rem 18rem 13rem 13rem;
  }

  .gallery-tile:nth-child(1) {
    grid-column: 1 / 2;
    grid-row: 1 / 4;
  }

  .gallery-tile:nth-child(2) {
    grid-column: 2 / 4;
    grid-row: 1 / 3;
  }

  .gallery-tile:nth-child(3) {
    grid-column: 2 / 3;
    grid-row: 3 / 4;
    min-height: unset;
  }

  .gallery-stat {
    grid-column: 3 / 4;
    grid-row: 3 / 4;
    min-height: unset;
  }

  .gallery-tile:nth-child(5) {
    grid-column: 1 / 2;
    grid-row: 4 / 6;
  }

  .gallery-tile:nth-child(6) {
    grid-column: 2 / 4;
    grid-row: 4 / 6;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1.5fr 1fr 1fr;
  }
}

/* ==========================================================================
   Page hero (úvod kategorijních podstránek)
   ========================================================================== */

.page-hero {
  background: var(--color-bg-section);
  padding-top: calc(var(--header-height) + var(--space-6));
  padding-bottom: var(--space-6);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: center;
}

.page-hero-content p {
  max-width: 32rem;
  margin-bottom: var(--space-4);
}

.page-hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-img);
}

.page-hero-media--placeholder {
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-img);
  background: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}

@media (min-width: 900px) {
  .page-hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
}

/* ==========================================================================
   Právní dokumenty (zásady ochrany osobních údajů apod.)
   ========================================================================== */

.page-hero-lead {
  max-width: 42rem;
  font-size: var(--fs-lead);
  color: var(--color-text-muted);
}

.legal-content {
  max-width: 68ch;
}

.legal-notice {
  background: var(--color-secondary);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.legal-content h2 {
  margin-top: var(--space-7);
}

.legal-content h2:first-of-type {
  margin-top: 0;
}

.legal-content ul {
  list-style: disc;
  margin: 0 0 var(--space-3);
  padding-left: 1.25rem;
}

.legal-content li {
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.legal-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ==========================================================================
   Produktové boxy
   ========================================================================== */

.product-section {
  padding-block: var(--space-7);
  scroll-margin-top: var(--header-height);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: center;
}

.product-tag {
  display: inline-block;
  background: var(--color-secondary);
  color: var(--color-text-muted);
  font-size: var(--fs-small);
  font-weight: 500;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-btn);
  margin-bottom: var(--space-3);
}

.product-content h2 {
  margin-bottom: var(--space-3);
}

.product-content p {
  max-width: 50rem;
  margin-bottom: var(--space-4);
}

.product-specs {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.product-spec {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: var(--fs-small);
}

.product-spec i {
  width: 1.4rem;
  text-align: center;
  color: var(--color-text);
  flex-shrink: 0;
}

.product-spec-label {
  width: 1.4rem;
  flex-shrink: 0;
  font-weight: 700;
  color: var(--color-text);
}

.product-spec-note {
  font-size: 0.8em;
  color: var(--color-text-muted);
}

.product-media {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-right: 16%;
  min-height: 20rem;
  order: 1;
}

.product-content {
  order: 2;
}

.product-media::before {
  content: "";
  position: absolute;
  inset: 32% 16% 0 0;
  background: var(--color-secondary);
  border-radius: var(--radius-img);
  z-index: 0;
}

.product-media img {
  position: relative;
  z-index: 1;
  max-height: 20rem;
  width: auto;
  max-width: 75%;
  margin-bottom: 1rem;
}

@media (min-width: 500px) {
  .product-specs {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(3, auto);
    grid-auto-flow: column;
    gap: var(--space-2) var(--space-4);
  }
}

@media (min-width: 900px) {
  .product-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .product-media,
  .product-content {
    order: 0;
  }

  .product-media {
    min-height: 26rem;
    justify-content: center;
    padding-right: 0;
  }

  .product-media::before {
    inset: 32% 8% 0 8%;
  }

  .product-media img {
    max-height: 26rem;
  }
}

/* ==========================================================================
   Kontakt – Pojďme se potkat
   ========================================================================== */

.meet-heading {
  text-align: center;
  margin-bottom: var(--space-6);
}

.meet-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

/* na výšku (mobil i iPad na výšku) zůstává jeden sloupec na střed;
   vedle sebe v řádku se zobrazí až na šířku od 960px v orientaci na šířku
   (desktop, iPad na šířku) – čistá šířka displeje sama o sobě iPad na výšku
   od iPadu na šířku nerozliší (u větších iPadů mají stejnou šířku), proto orientation */
@media (min-width: 960px) and (orientation: landscape) {
  .meet-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }
}

.meet-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.3rem;
}

.meet-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-2);
}

.meet-col p,
.meet-col a {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: 0.02rem;
}

.meet-col a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.meet-col a:hover {
  color: var(--color-primary-light);
}

/* Kontakt – "Domluvme si schůzku" – jeden sloupec zarovnaný na střed na všech velikostech */

.contact-detail-label {
  display: block;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  margin-bottom: 0.15rem;
}

/* ==========================================================================
   Responsive – large desktop / 4K (≥1400px)
   ========================================================================== */

@media (min-width: 1400px) {
  :root {
    --header-height: 6rem;
  }
}

@media (min-width: 2200px) {
  :root {
    --container-max: 1800px;
  }
}