/* ========================================================================
   Variables
   ======================================================================== */
:root {
  /* Color Palette */
  --color-background: #050607; /* near-black, cinematic backdrop */
  --color-surface: #111317;    /* cards, panels */
  --color-surface-alt: #161921;

  --color-text: #f7f3ea;       /* soft ivory */
  --color-text-muted: #b3a89a;

  --color-primary: #0f7c4a;    /* deep emerald green */
  --color-primary-soft: rgba(15, 124, 74, 0.16);

  --color-accent-gold: #d4af37; /* royal gold */
  --color-accent-gold-soft: rgba(212, 175, 55, 0.2);

  --color-danger: #b22234;     /* crimson red */
  --color-warning: #ffb74d;
  --color-success: #35c76c;

  --color-neutral-50: #f6f6f7;
  --color-neutral-100: #e1e2e5;
  --color-neutral-200: #c3c5cc;
  --color-neutral-300: #a0a3ad;
  --color-neutral-400: #7b7f8a;
  --color-neutral-500: #5a5e69;
  --color-neutral-600: #434650;
  --color-neutral-700: #32343c; /* charcoal gray */
  --color-neutral-800: #1f2127;
  --color-neutral-900: #101218;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Poppins", "Montserrat", system-ui, -apple-system, sans-serif;
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --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: 2rem;    /* 32px */
  --font-size-4xl: 2.5rem;  /* 40px */
  --font-size-5xl: 3rem;    /* 48px */

  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --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-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Shadows (cinematic + soft glow) */
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-strong: 0 24px 80px rgba(0, 0, 0, 0.75);
  --shadow-gold-glow: 0 0 24px rgba(212, 175, 55, 0.28);
  --shadow-green-glow: 0 0 24px rgba(15, 124, 74, 0.32);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 220ms ease-out;
  --transition-slow: 320ms ease-out;
}

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

  *, *::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;
}

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

body {
  min-height: 100vh;
  text-rendering: optimizeLegibility;
}

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

img {
  height: auto;
}

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

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

ul[role="list"],
ol[role="list"] {
  list-style: none;
}

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

body {
  -webkit-font-smoothing: antialiased;
}

/* ========================================================================
   Base Styles
   ======================================================================== */
body {
  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);
}

main {
  display: block;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: 0.01em;
  margin-bottom: var(--space-3);
}

h1 {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
}

h2 {
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
}

h3 {
  font-size: clamp(var(--font-size-xl), 2.4vw, var(--font-size-3xl));
}

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

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

small {
  font-size: 80%;
}

strong {
  font-weight: 600;
}

code, pre {
  font-family: var(--font-mono);
}

a {
  color: var(--color-accent-gold);
  text-decoration: none;
  transition: color var(--transition-base), text-shadow var(--transition-base);
}

a:hover {
  color: var(--color-primary);
  text-shadow: 0 0 8px rgba(212, 175, 55, 0.5);
}

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

hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin: var(--space-6) 0;
}

/* ========================================================================
   Accessibility Helpers
   ======================================================================== */
:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}

.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;
}

.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* ========================================================================
   Layout Utilities
   ======================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 1440px) {
  .container {
    max-width: 1340px;
  }
}

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

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

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

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

.gap-xs { gap: var(--space-2); }
.gap-sm { gap: var(--space-3); }
.gap-md { gap: var(--space-4); }
.gap-lg { gap: var(--space-6); }
.gap-xl { gap: var(--space-8); }

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

.grid-2 {
  display: grid;
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  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));
  }
}

/* Alignment and text utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-muted { color: var(--color-text-muted); }
.text-gold { color: var(--color-accent-gold); }
.text-primary { color: var(--color-primary); }
.text-danger { color: var(--color-danger); }

.bg-surface { background-color: var(--color-surface); }
.bg-surface-alt { background-color: var(--color-surface-alt); }
.bg-primary-soft { background-color: var(--color-primary-soft); }

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--space-2); }
.mt-sm { margin-top: var(--space-3); }
.mt-md { margin-top: var(--space-4); }
.mt-lg { margin-top: var(--space-6); }
.mt-xl { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--space-2); }
.mb-sm { margin-bottom: var(--space-3); }
.mb-md { margin-bottom: var(--space-4); }
.mb-lg { margin-bottom: var(--space-6); }
.mb-xl { margin-bottom: var(--space-8); }

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

.radius-sm { border-radius: var(--radius-sm); }
.radius-md { border-radius: var(--radius-md); }
.radius-lg { border-radius: var(--radius-lg); }
.radius-xl { border-radius: var(--radius-xl); }
.radius-pill { border-radius: var(--radius-pill); }

.shadow-soft { box-shadow: var(--shadow-soft); }
.shadow-strong { box-shadow: var(--shadow-strong); }
.shadow-gold { box-shadow: var(--shadow-gold-glow); }
.shadow-green { box-shadow: var(--shadow-green-glow); }

/* Hero / immersive helpers */
.hero-cinematic {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  color: var(--color-text);
  background: radial-gradient(circle at top left, rgba(212, 175, 55, 0.16), transparent 55%),
              radial-gradient(circle at bottom right, rgba(15, 124, 74, 0.18), transparent 60%),
              #050607;
  overflow: hidden;
}

.hero-cinematic::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.95));
  pointer-events: none;
}

.hero-cinematic__content {
  position: relative;
  z-index: 1;
}

/* Animation helpers for scroll effects */
.animate-fade-up {
  transform: translate3d(0, 18px, 0);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-fade-up.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.animate-fade-in {
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.animate-fade-in.is-visible {
  opacity: 1;
}

/* ========================================================================
   Form Elements
   ======================================================================== */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(9, 10, 13, 0.9);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base);
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 0 1px rgba(212, 175, 55, 0.4), var(--shadow-soft);
  background-color: rgba(12, 14, 18, 0.98);
}

input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

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

label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.form-helper {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
}

/* ========================================================================
   Buttons
   ======================================================================== */
.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-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              transform var(--transition-fast),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.18), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #0a5b38);
  color: #fff !important;
  box-shadow: var(--shadow-green-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 28px rgba(15, 124, 74, 0.65);
}

.btn-primary:hover::after {
  opacity: 1;
}

.btn-gold {
  background: radial-gradient(circle at 10% 0, #f6e6b0, #d4af37 55%, #84630f 100%);
  color: #1b1205;
  box-shadow: var(--shadow-gold-glow);
}

.btn-gold:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 28px rgba(212, 175, 55, 0.7);
}

.btn-outline {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.32);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-accent-gold);
  background-color: rgba(255, 255, 255, 0.05);
}

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

.btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.06);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-danger), #7c171f);
  color: #fff;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: 0.9rem 1.7rem;
  font-size: var(--font-size-base);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

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

/* ========================================================================
   Card Component
   ======================================================================== */
.card {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base),
              background-color var(--transition-base);
}

.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: 1px solid transparent;
  background: linear-gradient(135deg,
    rgba(212, 175, 55, 0.25),
    rgba(15, 124, 74, 0.12),
    rgba(5, 6, 7, 0.6)
  );
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
  background-color: var(--color-surface-alt);
}

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

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

.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: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

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

.card-footer {
  margin-top: var(--space-4);
}

/* Variant for event / kasino / kasina packages */
.card--highlight {
  border-color: rgba(212, 175, 55, 0.55);
  box-shadow: var(--shadow-gold-glow);
}

/* ========================================================================
   Badges & Chips (useful for event types, kasina/kasino tags)
   ======================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.55rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: var(--color-text);
}

.badge-primary {
  border-color: rgba(15, 124, 74, 0.8);
  background-color: rgba(15, 124, 74, 0.14);
}

.badge-gold {
  border-color: rgba(212, 175, 55, 0.9);
  background-color: rgba(212, 175, 55, 0.16);
}

.badge-danger {
  border-color: rgba(178, 34, 52, 0.9);
  background-color: rgba(178, 34, 52, 0.18);
}

/* ========================================================================
   Media & Gallery Helpers
   ======================================================================== */
.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: #000;
}

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

.media-frame--cinematic::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.75));
  pointer-events: none;
}

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

/* ========================================================================
   Helper classes for Czech content rhythm
   ======================================================================== */
.lead {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
}

.kasino-keyword,
.kasina-keyword {
  font-family: var(--font-display);
  color: var(--color-accent-gold);
  text-shadow: 0 0 16px rgba(212, 175, 55, 0.4);
}

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