/* ========================================================================
   Variables
   ======================================================================== */
:root {
  /* Color Palette */
  --color-background: #050608; /* deep cinematic black */
  --color-surface: #111317;
  --color-surface-elevated: #181b22;
  --color-text: #f5f0e7; /* warm ivory */
  --color-text-muted: #b3a897;
  --color-primary: #d9b15f; /* metallic gold */
  --color-primary-soft: rgba(217, 177, 95, 0.16);
  --color-primary-dark: #b48f3d;
  --color-success: #2f8f5a; /* refined emerald */
  --color-warning: #d8a545;
  --color-danger: #b2353b; /* muted burgundy red */
  --color-info: #3e6f9d;

  /* Neutral Grays (warm / cool mix for cinematic look) */
  --gray-50: #f7f5f2;
  --gray-100: #e4ded6;
  --gray-200: #cfc7bc;
  --gray-300: #b3a897;
  --gray-400: #8e8577;
  --gray-500: #6b6257;
  --gray-600: #4e473f;
  --gray-700: #37312b;
  --gray-800: #26211c;
  --gray-900: #181410;

  /* Accent casino hues */
  --color-emerald: #0c3d33;
  --color-emerald-soft: rgba(12, 61, 51, 0.7);
  --color-burgundy: #4b1220;
  --color-burgundy-soft: rgba(75, 18, 32, 0.7);

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

  /* Base font sizes (desktop, adjust with media queries if needed) */
  --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: 2rem;     /* 32px */
  --font-size-4xl: 2.5rem;   /* 40px */
  --font-size-5xl: 3rem;     /* 48px */

  /* Line heights */
  --line-height-tight: 1.1;
  --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 */

  /* Radius */
  --radius-none: 0;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 999px;

  /* Shadows (subtle cinematic depth) */
  --shadow-soft: 0 18px 50px rgba(0, 0, 0, 0.35);
  --shadow-elevated: 0 32px 80px rgba(0, 0, 0, 0.55);
  --shadow-gold-glow: 0 0 0 1px rgba(217, 177, 95, 0.1), 0 30px 60px rgba(0, 0, 0, 0.8);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 220ms ease;
  --transition-slow: 380ms ease;

  /* Layout */
  --container-max-width: 1200px;
  --container-gutter: var(--space-4);
}

/* Motion reduction */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0s;
    --transition-normal: 0s;
    --transition-slow: 0s;
  }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

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

* {
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
}

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

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

ul, ol {
  list-style: none;
}

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

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

/* ========================================================================
   Base Styles
   ======================================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  background: radial-gradient(circle at top, #151820 0, #050608 55%, #000 100%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--line-height-tight);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

h1 {
  font-size: clamp(2.5rem, 4vw, 3.25rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(2rem, 3vw, 2.5rem);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

h3 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

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

strong, b {
  font-weight: 600;
  color: var(--color-text);
}

em, i {
  font-style: italic;
}

/* Links */
a {
  position: relative;
  cursor: pointer;
  transition: color var(--transition-normal);
}

a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.1em;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-emerald));
  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 */
code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Forms */
input, textarea, select {
  background-color: rgba(10, 12, 16, 0.9);
}

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

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

/* 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;
}

/* ========================================================================
   Layout Utilities
   ======================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-gutter);
}

.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-20));
}

.section--narrow {
  max-width: 800px;
  margin-inline: auto;
}

/* Flex utilities */
.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 {
  flex-direction: column;
}

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

.gap-xs {
  gap: var(--space-1);
}

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

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

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

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

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

/* Spacing utilities (margin/padding) */
.mt-0 { margin-top: 0 !important; }
.mt-xs { margin-top: var(--space-1) !important; }
.mt-sm { margin-top: var(--space-2) !important; }
.mt-md { margin-top: var(--space-4) !important; }
.mt-lg { margin-top: var(--space-8) !important; }
.mt-xl { margin-top: var(--space-12) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-xs { margin-bottom: var(--space-1) !important; }
.mb-sm { margin-bottom: var(--space-2) !important; }
.mb-md { margin-bottom: var(--space-4) !important; }
.mb-lg { margin-bottom: var(--space-8) !important; }
.mb-xl { margin-bottom: var(--space-12) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-sm { padding-top: var(--space-2) !important; }
.pt-md { padding-top: var(--space-4) !important; }
.pt-lg { padding-top: var(--space-8) !important; }
.pt-xl { padding-top: var(--space-12) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-sm { padding-bottom: var(--space-2) !important; }
.pb-md { padding-bottom: var(--space-4) !important; }
.pb-lg { padding-bottom: var(--space-8) !important; }
.pb-xl { padding-bottom: var(--space-12) !important; }

.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-left { text-align: left !important; }

/* ========================================================================
   Buttons
   ======================================================================== */
.btn {
  --btn-bg: var(--color-primary);
  --btn-bg-hover: var(--color-primary-dark);
  --btn-color: #050608;
  --btn-border-color: transparent;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--btn-border-color);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent),
              var(--btn-bg);
  color: var(--btn-color);
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition:
    background var(--transition-normal),
    color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast),
    border-color var(--transition-normal);
}

.btn:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.16), transparent),
              var(--btn-bg-hover);
  box-shadow: var(--shadow-gold-glow);
  transform: translateY(-1px);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-soft);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-bg-hover: rgba(217, 177, 95, 0.16);
  --btn-color: var(--color-text);
  --btn-border-color: rgba(217, 177, 95, 0.4);
  box-shadow: none;
  backdrop-filter: blur(12px);
}

.btn--outline-dark {
  --btn-bg: transparent;
  --btn-bg-hover: rgba(255, 255, 255, 0.04);
  --btn-color: var(--color-text);
  --btn-border-color: rgba(255, 255, 255, 0.18);
  box-shadow: none;
}

.btn--danger {
  --btn-bg: var(--color-danger);
  --btn-bg-hover: #8f1f25;
  --btn-color: #fff;
}

.btn--full {
  width: 100%;
}

/* Styling hook for 18+ popup buttons */
.btn-age {
  min-width: 120px;
}

/* ========================================================================
   Form Elements
   ======================================================================== */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.field label {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gray-300);
}

.input,
.textarea,
.select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background-color: rgba(10, 12, 16, 0.9);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--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(217, 177, 95, 0.35);
  background-color: rgba(10, 12, 16, 0.96);
}

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

.input--invalid,
.textarea--invalid,
.select--invalid {
  border-color: var(--color-danger);
}

.helper-text {
  font-size: var(--font-size-xs);
  color: var(--gray-300);
}

.helper-text--error {
  color: var(--color-danger);
}

/* ========================================================================
   Card Component
   ======================================================================== */
.card {
  position: relative;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(217, 177, 95, 0.04), rgba(12, 61, 51, 0.02)),
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.06), transparent 55%),
    var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(217, 177, 95, 0.16);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.card--hoverable {
  cursor: pointer;
  transition:
    transform var(--transition-slow),
    box-shadow var(--transition-slow),
    border-color var(--transition-slow);
}

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

.card--hoverable:hover::before {
  opacity: 1;
}

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

.card__subtitle {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gray-300);
  margin-bottom: var(--space-3);
}

/* Variant hint for emerald / burgundy zones */
.card--emerald {
  background:
    linear-gradient(135deg, rgba(12, 61, 51, 0.38), rgba(12, 61, 51, 0.04)),
    var(--color-surface);
}

.card--burgundy {
  background:
    linear-gradient(135deg, rgba(75, 18, 32, 0.5), rgba(75, 18, 32, 0.04)),
    var(--color-surface);
}

/* ========================================================================
   Age Verification Overlay (18+ "Je vám 18 let?" popup)
   ======================================================================== */
.age-gate-backdrop {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at top, rgba(217, 177, 95, 0.22), transparent 60%),
    radial-gradient(circle at bottom, rgba(11, 34, 26, 0.9), rgba(5, 6, 8, 0.98));
  backdrop-filter: blur(18px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.age-gate-modal {
  width: min(480px, 100% - 2rem);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(0, 0, 0, 0.65), rgba(9, 11, 16, 0.98)),
    radial-gradient(circle at top left, rgba(217, 177, 95, 0.3), transparent 60%);
  border: 1px solid rgba(217, 177, 95, 0.35);
  box-shadow: var(--shadow-gold-glow);
  text-align: center;
}

.age-gate-modal__logo {
  font-family: var(--font-serif);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: rgba(245, 240, 231, 0.8);
  margin-bottom: var(--space-6);
}

.age-gate-modal__title {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.age-gate-modal__text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-6);
}

.age-gate-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.age-gate-modal__actions .btn-age--yes {
  --btn-bg: var(--color-primary);
  --btn-bg-hover: var(--color-primary-dark);
  --btn-color: #050608;
}

.age-gate-modal__actions .btn-age--no {
  --btn-bg: transparent;
  --btn-bg-hover: rgba(178, 53, 59, 0.18);
  --btn-color: var(--color-text);
  --btn-border-color: rgba(178, 53, 59, 0.6);
}

/* ========================================================================
   Hero & Cinematic Helpers (generic, for pages like Poker, VIP, etc.)
   ======================================================================== */
.hero {
  position: relative;
  display: flex;
  color: var(--color-text);
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__media img,
.hero__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(5, 6, 8, 0.95), rgba(5, 6, 8, 0.6), rgba(5, 6, 8, 0.15));
  mix-blend-mode: multiply;
  z-index: -1;
}

.hero__content {
  width: 100%;
  padding-block: var(--space-16) var(--space-12);
}

.hero__eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--gray-200);
  margin-bottom: var(--space-3);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.hero__subtitle {
  max-width: 40rem;
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
}

/* ========================================================================
   Misc Helpers
   ======================================================================== */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(217, 177, 95, 0.4);
  background-color: rgba(0, 0, 0, 0.6);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gray-100);
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.badge--emerald {
  background-color: rgba(47, 143, 90, 0.18);
  color: #b4f2cf;
}

.badge--burgundy {
  background-color: rgba(178, 53, 59, 0.22);
  color: #ffd7de;
}

.badge--gold {
  background-color: rgba(217, 177, 95, 0.22);
  color: #fce4b0;
}

.hr {
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-block: var(--space-6);
}

/* Subtle gradient border wrapper for sections like VIP club, tournaments */
.frame-gradient {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: linear-gradient(135deg, rgba(217, 177, 95, 0.7), rgba(12, 61, 51, 0.8));
}

.frame-gradient__inner {
  border-radius: inherit;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.05), transparent 55%),
              #050608;
  padding: var(--space-6);
}

/* ========================================================================
   End of base.css
   ======================================================================== */