/* ==========================================================================
   Variables
   ========================================================================== */
:root {
  /* Color Palette */
  --color-background: #fdfdfd;
  --color-surface: #ffffff;
  --color-surface-alt: #f5f8fb;
  --color-text: #111827;
  --color-text-muted: #6b7280;

  /* Brand & Accent Colors (pastel, casino-lounge inspired) */
  --color-primary: #06b6d4; /* tyrkysová */
  --color-primary-soft: #e0f7fb;
  --color-secondary: #60a5fa; /* světle modrá */
  --color-accent-coral: #fb7185; /* korálová */
  --color-accent-yellow: #facc15; /* žlutý akcent */
  --color-accent-green: #6ee7b7; /* pastelově zelená */

  /* Semantic States */
  --color-success: #16a34a;
  --color-warning: #eab308;
  --color-danger: #dc2626;

  /* 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;

  /* Gradients (for hero, buttons, highlights) */
  --gradient-brand: linear-gradient(135deg, #06b6d4, #60a5fa);
  --gradient-sunset: linear-gradient(135deg, #fb7185, #facc15);
  --gradient-mint: linear-gradient(135deg, #6ee7b7, #06b6d4);

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  --font-display: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;

  /* Font Sizes (mobile-first scale) */
  --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 Heights */
  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* 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 */

  /* Radii */
  --radius-xs: 0.125rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-pill: 999px;

  /* Shadows (soft, lifestyle look) */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 18px 45px rgba(15, 23, 42, 0.12);

  /* Transitions & Motion */
  --transition-fast: 150ms ease-out;
  --transition-normal: 220ms ease-out;
  --transition-slow: 320ms ease-out;

  /* Layout */
  --container-max-width: 1120px;
  --header-height: 4rem;
}

@media (min-width: 768px) {
  :root {
    --font-size-3xl: 2rem;   /* 32px */
    --font-size-4xl: 2.5rem; /* 40px */
    --font-size-5xl: 3.5rem; /* 56px */
  }
}

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

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

body {
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
ol,
ul {
  margin: 0;
  padding: 0;
}

ol,
ul {
  list-style: none;
}

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

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

button {
  border: none;
  background: none;
  padding: 0;
}

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

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */
body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background-color: var(--color-background);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-gray-900);
}

h1 {
  font-size: var(--font-size-4xl);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

h2 {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

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

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

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
  color: var(--color-gray-900);
}

a {
  position: relative;
  transition: color var(--transition-normal);
}

a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15em;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: var(--radius-pill);
  transition: width var(--transition-normal);
}

a:hover:not(.btn),
a:focus-visible:not(.btn) {
  color: var(--color-primary);
}

a:hover:not(.btn)::after,
a:focus-visible:not(.btn)::after {
  width: 100%;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

hr {
  border: none;
  border-top: 1px solid var(--color-gray-200);
  margin: var(--space-6) 0;
}

/* ==========================================================================
   Accessibility & Motion
   ========================================================================== */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

:focus:not(:focus-visible) {
  outline: none;
}

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

/* ==========================================================================
   Utilities
   ========================================================================== */

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

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

/* 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-column {
  display: flex;
  flex-direction: column;
}

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

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

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

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

/* Grid Helpers */
.grid {
  display: grid;
  gap: var(--space-4);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

@media (max-width: 767.98px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Spacing Utilities (vertical rhythm) */
.section {
  padding-block: var(--space-10);
}

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

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

/* Text Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }

/* Visually Hidden (screen readers 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: 0;
}

/* Tag / Pill Utility (e.g. for "Pokerové večery" labels) */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 500;
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
  background: var(--gradient-brand);
  color: #ffffff;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

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

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(6, 182, 212, 0.5);
  box-shadow: none;
}

.btn--outline:hover {
  background: var(--color-primary-soft);
  box-shadow: var(--shadow-xs);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.7);
  color: var(--color-gray-900);
  box-shadow: var(--shadow-xs);
}

.btn--ghost:hover {
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn--accent {
  background: var(--gradient-sunset);
}

/* Inputs & Form Controls */
.input,
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  background-color: #ffffff;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal);
}

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

.input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(6, 182, 212, 0.35);
}

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

label {
  display: inline-block;
  margin-bottom: 0.3rem;
  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-text-muted);
}

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

/* Card Component (for menu items, events, poker evenings, etc.) */
.card {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(148, 163, 184, 0.15);
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal),
    background-color var(--transition-normal);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(6, 182, 212, 0.25);
}

.card--soft {
  background: radial-gradient(circle at top left, #e0f7fb 0, #ffffff 40%, #ffffff 100%);
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-1);
}

.card-meta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.card-body {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Hero / Fullscreen Slider wrapper helper */
.hero-full {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding-block: var(--space-10);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  background: rgba(6, 182, 212, 0.08);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* Header base layout (navigation with modern casino-lounge feeling) */
.header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: rgba(253, 253, 253, 0.9);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
}

.nav a {
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius-pill);
}

.nav a:hover,
.nav a[aria-current="page"] {
  background: rgba(6, 182, 212, 0.08);
  color: var(--color-primary);
}

/* Footer disclaimer styling */
.footer-disclaimer {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

/* Simple chip-style category labels (e.g. gastronomie / pokerové večery) */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

.chip--poker {
  background: rgba(96, 165, 250, 0.12);
  color: var(--color-secondary);
}

.chip--gastronomy {
  background: rgba(110, 231, 183, 0.12);
  color: var(--color-accent-green);
}

/* Subtle animated hover for lifestyle photos */
.card-image-hover img,
.image-zoom img {
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  border-radius: var(--radius-lg);
}

.card-image-hover:hover img,
.image-zoom:hover img {
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}