/* =========================================
   Variables
   ========================================= */
:root {
  /* Color Palette - light, youthful, casino-lounge inspired */
  --color-background: #ffffff;
  --color-surface: #faf7f3; /* light beige for cards/sections */
  --color-surface-alt: #f5f2ec;

  --color-text: #1e2430;
  --color-text-muted: #6c7380;

  --color-primary: #14b8c4; /* turquoise */
  --color-primary-soft: rgba(20, 184, 196, 0.08);
  --color-primary-strong: #0891b2;

  --color-accent-blue: #60a5fa; /* light modern blue */
  --color-accent-gold: #d4af37; /* soft gold accent */
  --color-accent-gold-soft: rgba(212, 175, 55, 0.18);

  --color-success: #16a34a;
  --color-warning: #eab308;
  --color-danger: #dc2626;

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

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

  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (px converted to rem for 16px base) */
  --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-7: 1.75rem;  /* 28px */
  --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: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Shadows - soft, premium lounge feel */
  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 30px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.16);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Layout */
  --container-width: 1120px;
  --container-padding-x: 1.25rem; /* 20px */
}

/* Reduced motion adjustments */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0s;
    --transition-base: 0s;
    --transition-slow: 0s;
  }
}


/* =========================================
   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,
ul,
ol,
li,
dl,
dt,
dd {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

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

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

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

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

[hidden] {
  display: none !important;
}


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

main {
  min-height: 60vh;
}

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

h1 {
  font-size: clamp(2.25rem, 4vw, var(--font-size-5xl));
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.75rem, 3vw, 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);
  margin-bottom: var(--space-2);
}

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

strong {
  font-weight: 600;
}

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

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

::selection {
  background: var(--color-primary-soft);
  color: var(--color-text);
}


/* Links - subtle, modern */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base), opacity var(--transition-fast);
}

a:hover {
  color: var(--color-primary-strong);
}

a:active {
  opacity: 0.8;
}


/* =========================================
   Accessibility & Focus
   ========================================= */
:focus {
  outline: none;
}

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

@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%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.section--alt {
  background: linear-gradient(135deg, #ffffff 0%, var(--color-surface) 50%, #ffffff 100%);
}

@media (max-width: 768px) {
  .section {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }
}

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

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

.flex-row {
  display: flex;
  flex-direction: row;
}

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

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

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

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

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

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

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

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

@media (max-width: 960px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Alignment & width */
.text-center {
  text-align: center;
}

.w-full {
  width: 100%;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}


/* Spacing utilities (limited, for layout tweaks) */
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.pt-4 { padding-top: var(--space-4); }
.pb-4 { padding-bottom: var(--space-4); }


/* 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: 0;
}


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

/* Buttons - primary, outline, ghost */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

.button--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-blue) 45%, var(--color-accent-gold) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.button--primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

.button--outline {
  background-color: rgba(255, 255, 255, 0.9);
  border-color: rgba(20, 184, 196, 0.35);
  color: var(--color-primary-strong);
}

.button--outline:hover {
  background-color: var(--color-primary-soft);
}

.button--ghost {
  background-color: transparent;
  border-color: transparent;
  color: var(--color-text);
}

.button--ghost:hover {
  background-color: rgba(15, 23, 42, 0.03);
}

.button[disabled],
.button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
  transform: none;
}

.button:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}


/* Inputs & forms */
.input,
.textarea,
.select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  font-size: var(--font-size-sm);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

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

.input:focus,
.textarea:focus,
.select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft), 0 10px 30px rgba(15, 23, 42, 0.08);
  outline: none;
}

.textarea {
  min-height: 140px;
  resize: vertical;
}

.label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: var(--space-4);
}

.input--error {
  border-color: var(--color-danger);
}

.input-help {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.input-error-message {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}


/* Card - for menu items, events, testimonials, gallery info */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, var(--color-primary-soft) 0%, var(--color-surface) 30%, #ffffff 100%);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-slow);
}

.card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at top right, var(--color-accent-gold-soft), transparent 55%);
  opacity: 0.8;
  pointer-events: none;
}

.card__inner {
  position: relative;
  z-index: 1;
}

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

.card--flat {
  background: #ffffff;
  box-shadow: none;
}

.card--bordered {
  border: 1px solid rgba(148, 163, 184, 0.25);
}


/* Hero image & media wrappers for big photos of dishes */
.media-cover {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.media-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform var(--transition-slow);
}

.media-cover:hover img {
  transform: scale(1.06);
}


/* Tag / pill - e.g. for "Pokerové večery", "VIP večer" */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background-color: rgba(20, 184, 196, 0.08);
  color: var(--color-primary-strong);
}

.badge--gold {
  background-color: rgba(212, 175, 55, 0.12);
  color: var(--color-accent-gold);
}


/* Navigation helpers (base only, detailed nav in component CSS) */
.header-blur {
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.86));
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text);
  background-color: rgba(15, 23, 42, 0.03);
}

.nav-link--active {
  color: var(--color-primary-strong);
  background-color: rgba(20, 184, 196, 0.12);
}


/* Footer base */
.footer {
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.02), #ffffff 55%);
  padding-top: var(--space-10);
  padding-bottom: var(--space-8);
  font-size: var(--font-size-sm);
}

.footer-heading {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-3);
  color: var(--gray-500);
}

.footer-link {
  display: inline-flex;
  align-items: center;
  margin-bottom: 0.4rem;
  color: var(--color-text-muted);
}

.footer-link:hover {
  color: var(--color-primary-strong);
}

.footer-disclaimer {
  margin-top: var(--space-6);
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}


/* =========================================
   Casino-inspired Atmosphere Helpers
   (purely visual, no gambling functionality)
   ========================================= */

/* Subtle gradient line for section headers */
.section-title-line {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.section-title-line::after {
  content: "";
  display: block;
  height: 1px;
  width: 64px;
  background: linear-gradient(90deg, var(--color-accent-gold), rgba(212, 175, 55, 0));
}

/* Soft neon-like border glow for highlight blocks (e.g., poker evenings info) */
.glow-panel {
  position: relative;
  border-radius: var(--radius-md);
  padding: var(--space-5);
  border: 1px solid rgba(20, 184, 196, 0.38);
  background: radial-gradient(circle at top left, rgba(20, 184, 196, 0.16), rgba(255, 255, 255, 0.98));
  box-shadow: 0 0 0 1px rgba(20, 184, 196, 0.12), 0 18px 45px rgba(15, 23, 42, 0.16);
}

.glow-panel__eyebrow {
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary-strong);
  margin-bottom: 0.4rem;
}


/* =========================================
   Animations (for modern but subtle motion)
   ========================================= */

.fade-up {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 500ms ease-out,
    transform 500ms ease-out;
}

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

@keyframes float-soft {
  0% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
  100% { transform: translateY(0); }
}

.float-soft {
  animation: float-soft 6s ease-in-out infinite;
}