/* ==========================================================================
   MAIN.CSS
   Mobile-first responsive layout for premium real estate template.
   ========================================================================== */

@import url('variables.css');

/* ==========================================================================
   1. RESET & BASE
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: var(--nav-height);
}

@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 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul,
ol {
  list-style: none;
}

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

input,
select,
textarea {
  font-family: inherit;
}

::selection {
  background-color: var(--color-secondary);
  color: white;
}

/* ==========================================================================
   2. TYPOGRAPHY
   ========================================================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
  line-height: var(--leading-tight);
}

h1 {
  font-size: var(--text-4xl);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

h2 {
  font-size: var(--text-3xl);
  line-height: var(--leading-snug);
}

h3 {
  font-size: var(--text-2xl);
  line-height: var(--leading-snug);
}

h4 {
  font-size: var(--text-lg);
}

p {
  margin-bottom: var(--space-sm);
}

p:last-child {
  margin-bottom: 0;
}

strong {
  font-weight: 700;
}

small {
  font-size: var(--text-sm);
}

/* ==========================================================================
   3. LAYOUT — CONTAINER
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.container-wide {
  max-width: var(--container-wide);
}

/* ==========================================================================
   4. NAVIGATION
   ========================================================================== */

#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
  background: transparent;
  transition: background var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-base);
}

#main-nav.nav-scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

#main-nav.nav-hidden {
  transform: translateY(-100%);
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  z-index: 2;
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-md);
}

.nav-links a {
  color: white;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: var(--tracking-wide);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-secondary);
  transition: width var(--transition-base);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover {
  opacity: 0.85;
}

#main-nav.nav-scrolled .nav-links a {
  color: var(--color-text);
}

#main-nav.nav-scrolled .nav-links a:hover {
  color: var(--color-primary);
  opacity: 1;
}

/* Mobile menu toggle */
#menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: calc(var(--z-mobile-menu) + 1);
  padding: 0;
  gap: 6px;
}

#menu-toggle span {
  display: block;
  width: 28px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base), background var(--transition-base);
}

#main-nav.nav-scrolled #menu-toggle span {
  background: var(--color-text);
}

#menu-toggle.menu-open span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

#menu-toggle.menu-open span:nth-child(2) {
  opacity: 0;
}

#menu-toggle.menu-open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

#menu-toggle.menu-open span {
  background: white;
}

/* Mobile Menu Overlay */
#mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-primary);
  z-index: var(--z-mobile-menu);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

#mobile-menu.mobile-menu-open {
  opacity: 1;
  visibility: visible;
}

#mobile-menu a {
  color: white;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  padding: 0.5rem 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

#mobile-menu.mobile-menu-open a {
  opacity: 1;
  transform: translateY(0);
}

#mobile-menu.mobile-menu-open a:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.mobile-menu-open a:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.mobile-menu-open a:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.mobile-menu-open a:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.mobile-menu-open a:nth-child(5) { transition-delay: 0.3s; }
#mobile-menu.mobile-menu-open a:nth-child(6) { transition-delay: 0.35s; }
#mobile-menu.mobile-menu-open a:nth-child(7) { transition-delay: 0.4s; }
#mobile-menu.mobile-menu-open a:nth-child(8) { transition-delay: 0.45s; }

#mobile-menu a:hover {
  color: var(--color-secondary);
}

/* ==========================================================================
   5. HERO SECTION
   ========================================================================== */

#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--overlay-hero);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: var(--container-narrow);
  padding: 0 var(--space-md);
  color: white;
}

.hero-content h1 {
  color: white;
  margin-bottom: var(--space-sm);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-tagline {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  opacity: 0.9;
  margin-bottom: var(--space-lg);
  line-height: var(--leading-relaxed);
  font-weight: 300;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: white;
  opacity: 0.6;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.hero-scroll-indicator span {
  width: 1px;
  height: 40px;
  background: white;
  display: block;
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ==========================================================================
   6. BUTTONS
   ========================================================================== */

.btn-primary {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--color-secondary);
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--border-radius);
  text-transform: uppercase;
  letter-spacing: 2px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast),
              background-color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-secondary);
  background: var(--color-secondary-light);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: transparent;
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--border-radius);
  text-transform: uppercase;
  letter-spacing: 2px;
  border: 2px solid var(--color-secondary);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              transform var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--color-secondary);
  color: white;
  transform: translateY(-2px);
}

/* ==========================================================================
   7. SECTION PATTERNS
   ========================================================================== */

section {
  padding: var(--space-xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-line {
  width: 60px;
  height: 3px;
  background: var(--color-secondary);
  margin: var(--space-sm) auto 0;
  border-radius: 2px;
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-secondary), transparent);
  margin: 0 auto;
  max-width: 200px;
}

/* ==========================================================================
   8. BENEFIT CARDS (#benefity)
   ========================================================================== */

#benefity-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.benefit-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  border-radius: var(--border-radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.benefit-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  box-shadow: var(--shadow-sm);
  font-size: 2rem;
  color: var(--color-primary);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.benefit-card:hover .benefit-icon {
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-primary);
}

.benefit-icon svg,
.benefit-icon i {
  width: 32px;
  height: 32px;
}

.benefit-card h3 {
  margin-bottom: var(--space-xs);
  font-size: var(--text-lg);
}

.benefit-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: var(--leading-relaxed);
}

/* ==========================================================================
   9. COUNTER / NUMBERS SECTION (#cisla)
   ========================================================================== */

#cisla {
  background: var(--color-primary);
  color: white;
  text-align: center;
}

#cisla h2 {
  color: white;
}

#cisla-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.counter-item {
  padding: var(--space-md);
}

.counter-number {
  font-family: var(--font-body);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--color-secondary);
  display: block;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-xs);
}

.counter-label {
  font-size: 0.9rem;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

/* ==========================================================================
   10. APARTMENT CARDS (#byty)
   ========================================================================== */

#byty-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.byt-card {
  background: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
  display: flex;
  flex-direction: column;
}

.byt-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-secondary);
}

.byt-card-img-wrapper {
  position: relative;
  overflow: hidden;
}

.byt-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.byt-card:hover .byt-card-img {
  transform: scale(1.05);
}

.byt-card-body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.byt-details {
  margin: var(--space-sm) 0;
}

.byt-detail {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.byt-detail-label {
  color: var(--color-text-muted);
}

.byt-detail-value {
  font-weight: 600;
  color: var(--color-text);
}

.byt-typ {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
}

.byt-info {
  display: flex;
  justify-content: space-between;
  margin: var(--space-sm) 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.byt-info span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.byt-cena {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--space-sm) 0;
}

.byt-dostupnost {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.byt-dostupnost.posledni {
  color: #c53030;
}

.byt-popis {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: var(--space-sm) 0;
  line-height: var(--leading-relaxed);
  flex: 1;
}

.byt-cta {
  display: block;
  text-align: center;
  padding: 0.8rem;
  margin-top: auto;
  background: transparent;
  border: 2px solid var(--color-secondary);
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              transform var(--transition-fast);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.byt-cta:hover {
  background: var(--color-secondary);
  color: white;
  transform: translateY(-2px);
}

/* ==========================================================================
   11. LOKALITA / LOCATION (#lokalita)
   ========================================================================== */

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

.mapa-container {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  min-height: 350px;
  box-shadow: var(--shadow-md);
}

.mapa-container iframe {
  width: 100%;
  height: 100%;
  min-height: 350px;
  border: 0;
  display: block;
}

#poi-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.poi-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm);
  border-radius: var(--border-radius);
  background: var(--color-bg-alt);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.poi-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.poi-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.poi-icon svg,
.poi-icon i {
  width: 22px;
  height: 22px;
}

.poi-text,
.poi-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.poi-text h4,
.poi-name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: 0.15rem;
}

.poi-text span,
.poi-time {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.poi-foto {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius);
  object-fit: cover;
  flex-shrink: 0;
}

/* ==========================================================================
   12. FINANCOVANI / FINANCING (#financovani)
   ========================================================================== */

.timeline {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  padding-left: 10px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-secondary);
}

.timeline-step {
  position: relative;
  padding-left: 70px;
  margin-bottom: var(--space-lg);
}

.timeline-step:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: 14px;
  top: 5px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-secondary);
  border: 3px solid white;
  box-shadow: var(--shadow-sm);
  z-index: 1;
}

.timeline-pct {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: 0.2rem 0.8rem;
  border-radius: 20px;
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: 0.3rem;
}

.timeline-step h3 {
  margin-bottom: 0.3rem;
  font-size: var(--text-lg);
}

.timeline-termin {
  font-size: 0.9rem;
  color: var(--color-secondary);
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.timeline-popis {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.financovani-note {
  text-align: center;
  margin-top: var(--space-lg);
  font-style: italic;
  color: var(--color-text-muted);
  font-size: var(--text-md);
}

/* ==========================================================================
   13. GALERIE / GALLERY (#galerie)
   ========================================================================== */

#galerie-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-sm);
}

.galerie-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  cursor: pointer;
  aspect-ratio: 4 / 3;
}

.galerie-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.galerie-item:hover img {
  transform: scale(1.05);
}

.galerie-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
}

.galerie-item:hover .galerie-overlay {
  opacity: 1;
}

.galerie-overlay svg,
.galerie-overlay i {
  width: 40px;
  height: 40px;
  opacity: 0.9;
}

/* ==========================================================================
   14. LIGHTBOX (#lightbox)
   ========================================================================== */

#lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: var(--z-lightbox);
  display: none;
  align-items: center;
  justify-content: center;
}

#lightbox.lightbox-active {
  display: flex;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--border-radius);
  user-select: none;
  -webkit-user-select: none;
}

.lightbox-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  color: white;
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 1;
}

.lightbox-close:hover {
  opacity: 1;
  transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: 3rem;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-md);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
  z-index: 1;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  opacity: 1;
}

.lightbox-prev {
  left: var(--space-sm);
}

.lightbox-next {
  right: var(--space-sm);
}

.lightbox-counter {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: var(--text-sm);
  opacity: 0.6;
  font-weight: 500;
}

/* ==========================================================================
   15. FORMS (#kontakt-form, #smlouva-form)
   ========================================================================== */

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  max-width: 700px;
  margin: 0 auto;
}

.form-group {
  position: relative;
  margin-bottom: var(--space-sm);
}

.form-group.full-width,
.form-group.form-group-full {
  grid-column: 1 / -1;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem 0.75rem;
  border: 1px solid #c0c0c0;
  border-bottom: 2px solid #999;
  font-size: var(--text-base);
  font-family: var(--font-body);
  background: #fafafa;
  color: var(--color-text);
  transition: border-color var(--transition-base), background-color var(--transition-base);
  outline: none;
  border-radius: 4px;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.08);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 28px;
}

.form-group label {
  position: absolute;
  top: 1rem;
  left: 0.75rem;
  color: var(--color-text-light);
  font-size: var(--text-base);
  transition: top var(--transition-fast),
              font-size var(--transition-fast),
              color var(--transition-fast);
  pointer-events: none;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label {
  top: -0.6rem;
  left: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-primary);
  background: #fff;
  padding: 0 0.25rem;
}

.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: -0.6rem;
  left: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-primary);
  background: #fff;
  padding: 0 0.25rem;
}

.form-group select:focus ~ label,
.form-group select:not([value=""]) ~ label,
.form-group select.has-value ~ label {
  top: -0.6rem;
  left: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-primary);
  background: #fff;
  padding: 0 0.25rem;
}

.form-underline {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.form-group input:focus ~ .form-underline,
.form-group select:focus ~ .form-underline,
.form-group textarea:focus ~ .form-underline {
  width: 100%;
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  background: var(--color-primary);
  color: white;
  border: none;
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              transform var(--transition-fast),
              box-shadow var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-loader,
.btn-success-icon {
  display: none;
}

.btn-submit.loading .btn-loader {
  display: inline-flex;
}

.btn-submit.loading .btn-text {
  opacity: 0.7;
}

.btn-submit.success .btn-success-icon {
  display: inline-flex;
}

.btn-submit.success .btn-loader {
  display: none;
}

.btn-loader .spinner {
  animation: spinButton 0.8s linear infinite;
}

.btn-submit:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-submit:active {
  transform: translateY(0);
}

.btn-submit.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn-submit.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top-color: white;
  border-radius: 50%;
  animation: spinButton 0.6s linear infinite;
  top: 50%;
  left: 50%;
  margin-top: -10px;
  margin-left: -10px;
}

@keyframes spinButton {
  to { transform: rotate(360deg); }
}

.btn-submit.success {
  background: var(--color-accent);
}

/* Inline field errors */
span.form-error {
  display: none;
  font-size: 0.75rem;
  color: #dc2626;
  margin-top: 0.25rem;
}

.form-group.error span.form-error,
.form-gdpr.error span.form-error {
  display: block;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-bottom-color: #dc2626;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
}

/* Phone input with country prefix */
.form-group-phone {
  position: relative;
}

.form-group-phone .phone-label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  position: static;
  pointer-events: none;
}

.phone-input-wrap {
  display: flex;
  align-items: stretch;
  border: 1px solid #c0c0c0;
  border-bottom: 2px solid #999;
  border-radius: 4px;
  background: #fafafa;
  transition: border-color var(--transition-base), background-color var(--transition-base);
  overflow: hidden;
}

.phone-input-wrap:focus-within {
  border-color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.08);
}

.form-group-phone .phone-prefix {
  width: auto !important;
  min-width: 100px;
  max-width: 100px;
  flex: 0 0 100px;
  padding: 1rem 20px 1rem 0.75rem;
  border: none !important;
  border-right: 1px solid #c0c0c0 !important;
  border-radius: 0 !important;
  border-bottom: none !important;
  font-size: var(--text-sm);
  font-family: var(--font-body);
  color: var(--color-text);
  background: transparent !important;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 6px center !important;
  box-shadow: none !important;
}

.form-group-phone input[type="tel"] {
  flex: 1 1 auto !important;
  width: auto !important;
  padding: 1rem 0.75rem !important;
  border: none !important;
  border-radius: 0 !important;
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--color-text);
  background: transparent !important;
  outline: none;
  box-shadow: none !important;
}

.form-group-phone input[type="tel"]::placeholder {
  color: #999;
}

.form-group-phone.error .phone-input-wrap {
  border-color: #dc2626;
  border-bottom-color: #dc2626;
}

/* Form success/error message blocks */
.form-message {
  padding: var(--space-md);
  border-radius: var(--border-radius);
  text-align: center;
  margin-top: var(--space-md);
  font-size: 0.95rem;
  line-height: var(--leading-relaxed);
}

.form-message[hidden] {
  display: none;
}

.form-message-success {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.form-message-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.form-message svg {
  margin: 0 auto var(--space-sm);
  display: block;
}

.form-message h3 {
  margin-bottom: 0.5rem;
}

/* Form submit wrapper */
.form-submit {
  margin-top: var(--space-md);
}

.gdpr-group,
.form-gdpr {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.gdpr-group input[type="checkbox"],
.form-gdpr input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
  cursor: pointer;
  border: 2px solid #999;
  border-radius: 3px;
}

.gdpr-group label,
.form-gdpr label,
.checkbox-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  position: static;
  pointer-events: auto;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
}

.checkbox-custom {
  display: none;
}

.checkbox-text {
  line-height: var(--leading-relaxed);
}

.gdpr-group label a,
.form-gdpr label a,
.checkbox-text a {
  color: var(--color-primary);
  text-decoration: underline;
}

.gdpr-group label a:hover,
.form-gdpr label a:hover,
.checkbox-text a:hover {
  color: var(--color-secondary);
}

.honeypot,
.form-honeypot {
  display: none !important;
}

/* ==========================================================================
   16. ACCESS MODAL (#access-modal)
   ========================================================================== */

#access-modal {
  position: fixed;
  inset: 0;
  background: var(--overlay-dark);
  z-index: var(--z-access-modal);
  display: none;
  align-items: center;
  justify-content: center;
}

#access-modal.modal-visible {
  display: flex;
}

.modal-content {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  max-width: 400px;
  width: 90%;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-xl);
}

.modal-content h3 {
  margin-bottom: var(--space-sm);
}

.modal-content p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.modal-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--color-text-light);
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-content input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: var(--text-base);
  text-align: center;
  letter-spacing: 2px;
  font-weight: 600;
  transition: border-color var(--transition-fast);
  outline: none;
  margin-bottom: var(--space-sm);
}

.modal-content input:focus {
  border-color: var(--color-primary);
}

.modal-content .modal-error {
  color: #991b1b;
  font-size: var(--text-sm);
  display: none;
  margin-bottom: var(--space-sm);
}

.btn-access {
  display: inline-block;
  padding: 0.8rem 2rem;
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--border-radius);
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  width: 100%;
}

.btn-access:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn-access-trigger {
  margin: var(--space-md) auto;
  display: block;
  padding: 0.8rem 2rem;
  background: var(--color-secondary);
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--border-radius);
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-access-trigger:hover {
  background: var(--color-secondary-dark);
  transform: translateY(-2px);
}

/* ==========================================================================
   17. SMLOUVA FORM (reservation agreement)
   ========================================================================== */

#smlouva-form {
  display: none;
}

#smlouva-form.smlouva-visible {
  display: block;
}

.smlouva-section-title {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.smlouva-section-title h2 {
  margin-bottom: var(--space-xs);
}

.smlouva-section-title p {
  color: var(--color-text-muted);
}

/* ==========================================================================
   18. FOOTER
   ========================================================================== */

footer {
  background: var(--color-primary);
  color: white;
  padding: var(--space-xl) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-col h4 {
  color: white;
  font-family: var(--font-heading);
  margin-bottom: var(--space-md);
  font-size: var(--text-lg);
}

.footer-col p {
  opacity: 0.8;
  line-height: var(--leading-relaxed);
}

.footer-contact {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.footer-contact-foto {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-contact-info .name {
  font-weight: 600;
  font-size: var(--text-md);
}

.footer-contact-info .position {
  font-size: var(--text-sm);
  opacity: 0.7;
}

.footer-contact a {
  color: var(--color-secondary);
  font-weight: 500;
  transition: opacity var(--transition-fast);
}

.footer-contact a:hover {
  opacity: 0.8;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-secondary);
}

.footer-developer {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-developer p {
  font-size: var(--text-sm);
  opacity: 0.6;
}

.footer-developer img {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer-developer img:hover {
  opacity: 1;
}

.footer-developer a {
  color: var(--color-secondary);
}

.footer-bottom {
  text-align: center;
  padding: var(--space-md) 0;
  margin-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-sm);
  opacity: 0.7;
}

.footer-bottom a {
  color: var(--color-secondary);
}

/* ==========================================================================
   19. SCROLL-TO-TOP (#scroll-top)
   ========================================================================== */

#scroll-top {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-secondary);
  color: white;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base),
              visibility var(--transition-base),
              transform var(--transition-fast),
              background-color var(--transition-fast);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

#scroll-top.scroll-top-visible {
  opacity: 1;
  visibility: visible;
}

#scroll-top:hover {
  transform: translateY(-3px);
  background: var(--color-secondary-dark);
  box-shadow: var(--shadow-lg);
}

#scroll-top svg {
  width: 24px;
  height: 24px;
}

/* ==========================================================================
   20. UTILITY CLASSES
   ========================================================================== */

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

.text-left {
  text-align: left;
}

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

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

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

.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;
}

.no-scroll {
  overflow: hidden;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition-slow) var(--ease-out-expo),
              transform var(--transition-slow) var(--ease-out-expo);
}

/* ==========================================================================
   21. COOKIE / CONSENT BAR (optional)
   ========================================================================== */

.cookie-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  z-index: var(--z-toast);
  transform: translateY(100%);
  transition: transform var(--transition-base);
  font-size: var(--text-sm);
}

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

.cookie-bar p {
  margin: 0;
  opacity: 0.9;
}

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

.cookie-accept {
  padding: 0.5rem 1.5rem;
  background: var(--color-secondary);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--transition-fast);
}

.cookie-accept:hover {
  background: var(--color-secondary-light);
}

/* ==========================================================================
   22. RESPONSIVE — TABLET (768px+)
   ========================================================================== */

@media (min-width: 768px) {
  section {
    padding: var(--space-2xl) 0;
  }

  #benefity-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  #byty-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  #cisla-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
  }

  .lokalita-grid {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .nav-links {
    display: flex;
  }

  #menu-toggle {
    display: none;
  }

  .lightbox-prev {
    left: var(--space-md);
  }

  .lightbox-next {
    right: var(--space-md);
  }
}

/* ==========================================================================
   23. RESPONSIVE — DESKTOP (1024px+)
   ========================================================================== */

@media (min-width: 1024px) {
  #benefity-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  #byty-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .mapa-container {
    min-height: 400px;
  }

  .mapa-container iframe {
    min-height: 400px;
  }

  #main-nav {
    padding: 0 var(--space-lg);
  }
}

/* ==========================================================================
   24. RESPONSIVE — MOBILE ADJUSTMENTS (max-width: 767px)
   ========================================================================== */

@media (max-width: 767px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4rem;
    --space-2xl: 5rem;
  }

  section {
    padding: var(--space-xl) 0;
  }

  .container {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  #hero {
    background-attachment: scroll;
  }

  .hero-content {
    padding: 0 var(--space-sm);
  }

  .hero-tagline {
    margin-bottom: var(--space-md);
  }

  .btn-primary {
    padding: 0.8rem 2rem;
    font-size: 0.85rem;
  }

  .section-header {
    margin-bottom: var(--space-lg);
  }

  #benefity-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .benefit-card {
    padding: var(--space-md);
  }

  #cisla-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  #byty-grid {
    grid-template-columns: 1fr;
  }

  .byt-card-img {
    height: 200px;
  }

  .lokalita-grid {
    grid-template-columns: 1fr;
  }

  .mapa-container {
    min-height: 280px;
  }

  .mapa-container iframe {
    min-height: 280px;
  }

  #galerie-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xs);
  }

  .galerie-item {
    border-radius: var(--border-radius-sm);
  }

  .lightbox-prev,
  .lightbox-next {
    font-size: 2rem;
    padding: var(--space-sm);
  }

  .lightbox-prev {
    left: var(--space-xs);
  }

  .lightbox-next {
    right: var(--space-xs);
  }

  .lightbox-close {
    top: var(--space-sm);
    right: var(--space-sm);
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .timeline {
    padding-left: 0;
  }

  .timeline-step {
    padding-left: 60px;
  }

  .cookie-bar {
    flex-direction: column;
    text-align: center;
    gap: var(--space-sm);
  }

  .hero-scroll-indicator {
    display: none;
  }
}

/* ==========================================================================
   25. RESPONSIVE — SMALL MOBILE (max-width: 480px)
   ========================================================================== */

@media (max-width: 480px) {
  #galerie-grid {
    grid-template-columns: 1fr;
  }

  #cisla-grid {
    grid-template-columns: 1fr 1fr;
  }

  .counter-number {
    font-size: 2rem;
  }

  .poi-foto {
    display: none;
  }

  .footer-contact {
    flex-direction: column;
    text-align: center;
  }

  .footer-contact-info {
    align-items: center;
  }

  .modal-content {
    padding: var(--space-md);
    width: 95%;
  }
}

/* ==========================================================================
   26. PRINT STYLES
   ========================================================================== */

@media print {
  #main-nav,
  #scroll-top,
  #lightbox,
  #access-modal,
  #mobile-menu,
  .cookie-bar,
  .hero-scroll-indicator {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  section {
    padding: 1rem 0;
    page-break-inside: avoid;
  }

  .byt-card,
  .benefit-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }

  #hero {
    min-height: auto;
    padding: 2rem 0;
    background: none !important;
  }

  #hero::before {
    display: none;
  }

  .hero-content {
    color: #000;
  }

  .hero-content h1 {
    color: #000;
    text-shadow: none;
  }

  footer {
    background: #333;
  }

  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
    color: #666;
  }

  .nav-links a[href]::after,
  .footer-links a[href]::after {
    content: none;
  }
}