/* =========================================================
   Variables
   ========================================================= */
:root {
  /* Colors */
  --color-background: #fdfdff;
  --color-surface: rgba(255, 255, 255, 0.85);
  --color-surface-strong: #ffffff;
  --color-text: #1f2933;
  --color-text-soft: #5f6c80;
  --color-primary: #35c2c1; /* tyrkysová */
  --color-primary-soft: #a8eff0;
  --color-accent-blue: #9ed3ff; /* světle modrá */
  --color-accent-peach: #ffc9b8; /* broskvová */
  --color-accent-lavender: #d6c6ff; /* levandulová */
  --color-success: #22c55e;
  --color-warning: #facc15;
  --color-danger: #ef4444;

  /* Neutral grays */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2933;
  --color-gray-900: #111827;

  /* Glassmorphism helpers */
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow: 0 18px 45px rgba(15, 23, 42, 0.18);

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */
  --font-size-5xl: 3rem;     /* 48px */

  --line-height-tight: 1.15;
  --line-height-snug: 1.25;
  --line-height-normal: 1.6;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radius */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-medium: 0 14px 35px rgba(15, 23, 42, 0.12);
  --shadow-strong: 0 18px 50px rgba(15, 23, 42, 0.18);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 260ms ease-out;

  /* Layout */
  --container-max-width: 1120px;
  --header-height: 64px;
}

@media (min-width: 768px) {
  :root {
    --font-size-3xl: 2.25rem; /* 36px */
    --font-size-4xl: 2.75rem; /* 44px */
    --font-size-5xl: 3.25rem; /* 52px */
    --header-height: 76px;
  }
}


/* =========================================================
   Reset / Normalize
   ========================================================= */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
}

main {
  display: block;
}

a {
  background-color: transparent;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  margin: 0;
  font: inherit;
  color: inherit;
}

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

h1, h2, h3, h4, h5, h6,
p,
figure {
  margin: 0;
}

/* Remove default link underlines globally; re-add via utility if needed */
a,
a:visited {
  text-decoration: none;
  color: inherit;
}


/* =========================================================
   Base Styles
   ========================================================= */
body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(152, 225, 255, 0.45), transparent 55%),
    radial-gradient(circle at bottom right, rgba(255, 199, 186, 0.45), transparent 55%),
    radial-gradient(circle at top right, rgba(214, 198, 255, 0.35), transparent 50%),
    var(--color-background);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-gray-900);
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--font-size-4xl);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: var(--font-size-3xl);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: var(--font-size-2xl);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-2);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text-soft);
}

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

@media (min-width: 768px) {
  h1 {
    font-size: var(--font-size-5xl);
  }
  h2 {
    font-size: var(--font-size-4xl);
  }
}

/* Links with brand styling */
a.link,
a[href] {

  text-decoration: none;
  position: relative;
  transition: color var(--transition-base);
}

a.link::after,
a[href]::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-peach));
  opacity: 0;
  transform: scaleX(0.9) translateY(2px);
  transform-origin: center;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

a.link:hover::after,
a[href]:hover::after {
  opacity: 1;
  transform: scaleX(1) translateY(0);
}

strong {
  font-weight: 600;
}

hr {
  border: 0;
  border-top: 1px solid var(--color-gray-200);
  margin: var(--space-6) 0;
}

::selection {
  background-color: rgba(53, 194, 193, 0.2);
  color: var(--color-gray-900);
}


/* =========================================================
   Accessibility & Motion
   ========================================================= */
:focus-visible {
  outline: 2px solid transparent;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.9), 0 0 0 4px var(--color-primary);
  border-radius: 4px;
}

:focus {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}


/* =========================================================
   Layout Utilities
   ========================================================= */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  max-width: var(--container-max-width);
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

.section {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
}

/* Flex helpers */
.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-3 {
  gap: var(--space-3);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

/* Grid helpers */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

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

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.py-4 {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.py-6 {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.p-4 {
  padding: var(--space-4);
}

.p-6 {
  padding: var(--space-6);
}

.hidden {
  display: none !important;
}


/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}


/* =========================================================
   Components
   ========================================================= */

/* Header placeholder (mobile-first) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.82));
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.site-header-inner {
  height: var(--header-height);
}

/* Buttons */
.button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  background: linear-gradient(135deg, var(--color-primary), #3dd3d2);
  color: #ffffff;
  box-shadow: var(--shadow-soft);
  transition:
    background var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast),
    border-color var(--transition-base),
    color var(--transition-base);
}

.button:hover,
.btn:hover {
  background: linear-gradient(135deg, #27b3b2, #2fc3c2);
  box-shadow: var(--shadow-medium);
  transform: translateY(-1px);
}

.button:active,
.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-soft);
}

.button:disabled,
.btn:disabled,
.button[aria-disabled="true"],
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
}

.button--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: rgba(53, 194, 193, 0.3);
  box-shadow: none;
}

.button--outline:hover {
  background: rgba(53, 194, 193, 0.06);
  box-shadow: none;
}

.button--ghost {
  background: rgba(255, 255, 255, 0.8);
  color: var(--color-gray-900);
  border-color: rgba(148, 163, 184, 0.35);
}

.button--ghost:hover {
  background: rgba(255, 255, 255, 1);
}

/* Sticky reservation button */
.btn-reservation-sticky {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 45;
  padding-inline: 1.6rem;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.3);
}

@media (min-width: 768px) {
  .btn-reservation-sticky {
    bottom: var(--space-6);
    right: var(--space-6);
  }
}

/* Form elements */
.input,
textarea,
select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(148, 163, 184, 0.5);
  background-color: rgba(255, 255, 255, 0.95);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base),
    transform var(--transition-fast);
}

.input::placeholder,
textarea::placeholder {
  color: var(--color-gray-400);
}

.input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(53, 194, 193, 0.4), 0 14px 30px rgba(15, 23, 42, 0.12);
  background-color: #ffffff;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-800);
}

.form-field {
  margin-bottom: var(--space-4);
}

.form-help {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

.form-error {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card / Glassmorphism card */
.card {
  position: relative;
  border-radius: var(--radius-md);
  padding: var(--space-5);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at top left, rgba(158, 211, 255, 0.35), transparent 55%),
              radial-gradient(circle at bottom right, rgba(255, 201, 184, 0.35), transparent 55%);
  opacity: 0.6;
  mix-blend-mode: soft-light;
}

.card > * {
  position: relative;
  z-index: 1;
}

.card--soft {
  box-shadow: var(--shadow-soft);
}

.card--no-glass {
  background: var(--color-surface-strong);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* Hero / fullscreen slider helpers (structure only) */
.hero-fullscreen {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
}

.hero-overlay-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.75), rgba(15, 23, 42, 0.35));
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  color: #ffffff;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(10px);
}

/* Tag / pill for categories like "Pokerové Večery", "Sezónní menu" */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 500;
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-gray-800);
}

.badge--peach {
  background: rgba(255, 201, 184, 0.3);
  color: var(--color-gray-900);
}

.badge--lavender {
  background: rgba(214, 198, 255, 0.35);
  color: var(--color-gray-900);
}

.badge--primary {
  background: rgba(53, 194, 193, 0.2);
  color: var(--color-primary);
}

/* Masonry-style gallery helper (CSS only skeleton) */
.gallery-masonry {
  column-count: 1;
  column-gap: var(--space-3);
}

.gallery-masonry-item {
  break-inside: avoid;
  margin-bottom: var(--space-3);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

@media (min-width: 640px) {
  .gallery-masonry {
    column-count: 2;
  }
}

@media (min-width: 1024px) {
  .gallery-masonry {
    column-count: 3;
  }
}

/* Carousel basics (structure only) */
.carousel {
  position: relative;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  will-change: transform;
}

.carousel-slide {
  flex: 0 0 100%;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  margin-top: var(--space-4);
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: none;
  padding: 0;
  cursor: pointer;
  background: rgba(148, 163, 184, 0.6);
  transition: background var(--transition-base), transform var(--transition-fast), width var(--transition-fast);
}

.carousel-dot.is-active {
  width: 18px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-peach));
  transform: translateY(-1px);
}

/* Statistic highlight (for animované statistiky) */
.stat-card {
  border-radius: var(--radius-md);
  padding: var(--space-5);
  background: radial-gradient(circle at top, rgba(168, 239, 240, 0.35), transparent 55%),
              var(--color-surface-strong);
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: var(--shadow-soft);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  line-height: var(--line-height-tight);
  color: var(--color-gray-900);
}

.stat-label {
  margin-top: 0.25rem;
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

/* Footer base */
.site-footer {
  margin-top: var(--space-16);
  padding-top: var(--space-10);
  padding-bottom: var(--space-8);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), #f6f7fb);
  border-top: 1px solid rgba(148, 163, 184, 0.25);
}

.site-footer-disclaimer {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(148, 163, 184, 0.3);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

/* Helper for pastel gradient borders (e.g., info about rekreační poker) */
.gradient-border {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, var(--color-accent-lavender), var(--color-accent-peach), var(--color-primary));
}

.gradient-border-inner {
  border-radius: inherit;
  background: rgba(255, 255, 255, 0.9);
  padding: var(--space-4);
}

/* Instagram-like media tile */
.media-tile {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-gray-100);
}

.media-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-tile-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.65), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.media-tile:hover .media-tile-overlay {
  opacity: 1;
}

/* Chips for filters (e.g. galerie categories) */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: var(--font-size-xs);
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--color-gray-700);
  cursor: pointer;
  transition: border-color var(--transition-base), background-color var(--transition-base), color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast);
}

.chip:hover {
  border-color: var(--color-primary);
  background-color: rgba(168, 239, 240, 0.25);
  color: var(--color-gray-900);
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.chip.is-active {
  border-color: transparent;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-peach));
  color: #ffffff;
  box-shadow: var(--shadow-medium);
}

/* Simple pill label for compliance notes */
.note-soft {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  background-color: rgba(148, 163, 184, 0.12);
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
}

/* Utility for subtle gradient backgrounds in sections (e.g. Pokerové Večery) */
.section-gradient-soft {
  background: radial-gradient(circle at top left, rgba(214, 198, 255, 0.28), transparent 60%),
              radial-gradient(circle at bottom right, rgba(168, 239, 240, 0.28), transparent 60%),
              rgba(255, 255, 255, 0.9);
}