/* ==========================================
   Variables
   ========================================== */
:root {
  /* Colors */
  --color-background: #050609; /* near-black for cinematic look */
  --color-surface: #0e1016; /* dark sapphire-tinted surface */
  --color-surface-alt: #171b24; /* alternate panel */
  --color-text: #f4f0e8; /* warm cream text */
  --color-text-muted: #b5a99a;
  --color-primary: #c58b3b; /* copper gold */
  --color-primary-soft: rgba(197, 139, 59, 0.16);
  --color-success: #46b37b;
  --color-warning: #e0b15a;
  --color-danger: #e3665b;
  --color-info: #4f7ddf;

  --color-border-subtle: rgba(255, 255, 255, 0.12);
  --color-border-strong: rgba(255, 255, 255, 0.24);

  --color-muted: #77757a;
  --color-overlay: rgba(0, 0, 0, 0.72);

  /* Neutral grays (for subtle UI accents on dark bg) */
  --gray-50: #f5f5f6;
  --gray-100: #e3e3e5;
  --gray-200: #c7c8cc;
  --gray-300: #a2a4ac;
  --gray-400: #7c7f8a;
  --gray-500: #5b5e6a;
  --gray-600: #444754;
  --gray-700: #303340;
  --gray-800: #21232f;
  --gray-900: #12131a;

  /* Accent colors referencing palette */
  --color-midnight: #050609;
  --color-sapphire: #101a2c;
  --color-mahogany: #3e1e1a;
  --color-cream: #f4e4c7;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Playfair Display", "Times New Roman", serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-md: 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: 1.2;
  --line-height-base: 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 */

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* Shadows (cinematic, soft) */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-elevated: 0 20px 60px rgba(0, 0, 0, 0.7);
  --shadow-focus: 0 0 0 2px rgba(5, 6, 9, 0.9), 0 0 0 3px rgba(197, 139, 59, 0.9);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 220ms ease-out;
  --transition-slow: 400ms ease-out;

  /* Layout */
  --container-width: 1120px;
  --container-padding-x: 1.5rem;
}

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

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

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

ul[role='list'],
ol[role='list'] {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

input,
button,
textarea,
select {
  font: inherit;
}

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

textarea {
  resize: vertical;
}

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

/* Remove tap highlight on mobile */
* {
  -webkit-tap-highlight-color: transparent;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--line-height-tight);
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(2rem, 3vw, 2.75rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  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);
}

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

strong {
  font-weight: 600;
}

small {
  font-size: 0.875em;
}

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

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

/* Focus styles – visible only when using keyboard */
:focus {
  outline: none;
}

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* ==========================================
   Motion preferences
   ========================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

/* Layout container */
.container {
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--container-padding-x);
}

.section {
  padding-block: var(--space-16);
}

.section--dense {
  padding-block: var(--space-10);
}

/* 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-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Grid helpers */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

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

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

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

.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); }
.mb-8 { margin-bottom: var(--space-8); }

.py-8 { padding-block: var(--space-8); }
.py-10 { padding-block: var(--space-10); }
.py-16 { padding-block: var(--space-16); }

/* Visually hidden (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 */
.btn {
  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: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, #f1d3a3, var(--color-primary));
  color: #1b1308;
  box-shadow: var(--shadow-soft);
}

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

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

.btn-outline {
  background: transparent;
  color: var(--color-cream);
  border-color: rgba(244, 228, 199, 0.4);
}

.btn-outline:hover {
  background: rgba(244, 228, 199, 0.06);
  border-color: rgba(244, 228, 199, 0.8);
}

.btn-ghost {
  background: rgba(0, 0, 0, 0.3);
  color: var(--color-cream);
}

.btn-ghost:hover {
  background: rgba(0, 0, 0, 0.6);
}

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

/* Form controls */
.input,
.select,
.textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(10, 12, 18, 0.95);
  color: var(--color-text);
  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(--color-muted);
}

.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(197, 139, 59, 0.6);
}

.input[disabled],
.select[disabled],
.textarea[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Card – used for event formats, testimonials etc. */
.card {
  position: relative;
  background: radial-gradient(circle at top left, rgba(197, 139, 59, 0.14), transparent 55%),
              radial-gradient(circle at bottom right, rgba(62, 30, 26, 0.22), transparent 55%),
              var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-6);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.card--subtle {
  background: var(--color-surface-alt);
  box-shadow: none;
}

.card-header {
  margin-bottom: var(--space-4);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-2);
}

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

/* Cinematic banner base (for sections like Pokerový večer, Kasinová párty, etc.) */
.banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 260px;
  display: grid;
  align-items: stretch;
  background-color: #050609;
}

.banner-media {
  position: relative;
}

.banner-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(5, 6, 9, 0.8), rgba(5, 6, 9, 0.1));
}

.banner-content {
  position: relative;
  padding: var(--space-8);
  align-self: center;
  max-width: 32rem;
}

.banner-kicker {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.banner-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin-bottom: var(--space-3);
}

.banner-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  max-width: 28rem;
}

@media (max-width: 768px) {
  .banner {
    min-height: 0;
  }

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

/* Age verification / modal overlay */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.modal {
  width: min(480px, 100% - 2rem);
  background: radial-gradient(circle at top, rgba(197, 139, 59, 0.18), transparent 60%),
              var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(244, 228, 199, 0.2);
  padding: var(--space-6);
  box-shadow: var(--shadow-elevated);
}

.modal-title {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-3);
}

.modal-body {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

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

.footer-disclaimer strong {
  color: var(--color-cream);
}

/* Badges / labels for "Bez skutečného hazardu" etc. */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(244, 228, 199, 0.4);
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cream);
  background: rgba(5, 6, 9, 0.6);
}

.badge-soft {
  border-color: transparent;
  background: rgba(197, 139, 59, 0.16);
  color: var(--color-cream);
}

/* FAQ accordion base */
.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: var(--space-4);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--font-size-md);
}

.faq-answer {
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ==========================================
   Page-level helpers for this project
   ========================================== */

/* Subtle gradient page background for premium feel */
.page-bg {
  background:
    radial-gradient(circle at top left, rgba(197, 139, 59, 0.18), transparent 55%),
    radial-gradient(circle at bottom right, rgba(16, 26, 44, 0.7), transparent 55%),
    radial-gradient(circle at bottom left, rgba(62, 30, 26, 0.55), transparent 50%),
    var(--color-background);
}

/* Hero heading emphasizing main H1 */
.hero-title-main {
  font-size: clamp(2.8rem, 4.5vw, 3.6rem);
  line-height: 1.1;
}

.hero-subtitle {
  max-width: 34rem;
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
}

/* Content emphasis for responsible information */
.responsible-panel {
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: rgba(16, 26, 44, 0.9);
  border: 1px solid rgba(79, 125, 223, 0.6);
  font-size: var(--font-size-sm);
}

.responsible-panel a {
  color: var(--color-info);
  text-decoration: underline;
}

/* Gallery grid base */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

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

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 6, 9, 0.6), transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover img {
  transform: scale(1.06);
  filter: saturate(1.1);
}

.gallery-item:hover::after {
  opacity: 1;
}