/* ========================================================================== 
   Variables
   ======================================================================= */
:root {
  /* Colors */
  --color-bg: #f7f7fa;
  --color-surface: #ffffff;
  --color-surface-alt: #f0f2f6;
  --color-text: #1e2433;
  --color-text-muted: #6b7280;
  --color-primary: #153e75; /* deep corporate navy */
  --color-primary-soft: #e0e7f5;
  --color-primary-contrast: #ffffff;
  --color-accent-gold: #c9a34f; /* subtle gold */
  --color-success: #2f9e44;
  --color-warning: #f59f00;
  --color-danger: #d62828; /* also used for age notice */

  --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, "Segoe UI", sans-serif;
  --font-serif: "Cormorant Garamond", "Georgia", "Times New Roman", 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 */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.6;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-4: 0.25rem;  /* 4px */
  --space-8: 0.5rem;   /* 8px */
  --space-12: 0.75rem; /* 12px */
  --space-16: 1rem;    /* 16px */
  --space-20: 1.25rem; /* 20px */
  --space-24: 1.5rem;  /* 24px */
  --space-32: 2rem;    /* 32px */
  --space-40: 2.5rem;  /* 40px */
  --space-48: 3rem;    /* 48px */
  --space-64: 4rem;    /* 64px */
  --space-80: 5rem;    /* 80px */
  --space-96: 6rem;    /* 96px */

  /* Radius */
  --radius-none: 0;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 999px;

  /* Shadows (subtle, luxurious) */
  --shadow-sm: 0 4px 10px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 20px 45px rgba(15, 23, 42, 0.18);

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

  /* Layout */
  --layout-max-width: 1120px;
  --layout-gutter: var(--space-16);

  /* Fixed bars heights (for layout compensation) */
  --age-notice-height-mobile: 44px;
  --age-notice-height-desktop: 40px;
}

@media (min-width: 768px) {
  :root {
    --layout-gutter: var(--space-24);
  }
}

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

ul,
ol {
  list-style-position: outside;
}

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

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

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

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

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

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

main {
  min-height: calc(100vh - 200px);
}

h1,
.h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: var(--line-height-tight);
  font-size: clamp(2.1rem, 4vw, 2.8rem);
  margin-bottom: var(--space-16);
  color: var(--color-primary);
}

h2,
.h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: var(--line-height-snug);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: var(--space-12);
  color: var(--color-primary);
}

h3,
.h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: var(--line-height-snug);
  font-size: 1.35rem;
  margin-bottom: var(--space-8);
  color: var(--color-text);
}

p {
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

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

strong {
  font-weight: 600;
}

em {
  font-style: italic;
}

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

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent-gold), var(--color-primary));
  transition: width var(--transition-base);
}

a:hover::after {
  width: 100%;
}

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

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

hr {
  border: 0;
  border-top: 1px solid var(--gray-200);
  margin: var(--space-24) 0;
}

/* ========================================================================== 
   Fixed Age Notice (Mandatory)
   ======================================================================= */
.age-notice-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background-color: #d62828; /* mandated */
  color: #ffffff;
  font-weight: 700;
  font-size: 0.82rem;
  text-align: center;
  padding: 0.35rem var(--layout-gutter);
  display: flex;
  align-items: center;
  justify-content: center;
}

.age-notice-bar__inner {
  max-width: var(--layout-max-width);
  width: 100%;
}

@media (min-width: 768px) {
  .age-notice-bar {
    font-size: 0.9rem;
    padding: 0.4rem var(--layout-gutter);
  }
}

/* Helper to offset content under fixed age bar (apply to body wrapper) */
.page-offset-age-bar {
  padding-top: var(--age-notice-height-mobile);
}

@media (min-width: 768px) {
  .page-offset-age-bar {
    padding-top: var(--age-notice-height-desktop);
  }
}

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

:focus {
  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;
  }
}

/* Screen-reader only utility */
.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%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--layout-gutter);
  padding-right: var(--layout-gutter);
  max-width: calc(var(--layout-max-width) + (var(--layout-gutter) * 2));
}

.section {
  padding-top: var(--space-40);
  padding-bottom: var(--space-40);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-64);
    padding-bottom: var(--space-64);
  }
}

.flex {
  display: flex;
}

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

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

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

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

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-24);
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-24);
}

@media (min-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-0 { margin-top: 0; }
.mt-16 { margin-top: var(--space-16); }
.mt-24 { margin-top: var(--space-24); }
.mt-32 { margin-top: var(--space-32); }
.mt-40 { margin-top: var(--space-40); }

.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: var(--space-8); }
.mb-16 { margin-bottom: var(--space-16); }
.mb-24 { margin-bottom: var(--space-24); }
.mb-32 { margin-bottom: var(--space-32); }

.pt-24 { padding-top: var(--space-24); }
.pb-24 { padding-bottom: var(--space-24); }

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  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);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #0b2447);
  color: var(--color-primary-contrast);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, #0f2f5a, #071531);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

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

.btn-ghost:hover {
  background-color: rgba(15, 23, 42, 0.04);
}

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

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

/* Form Controls */
.input,
textarea,
select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-300);
  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-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft);
}

.input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.field-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-4);
}

.field-description {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
}

.field-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: var(--space-4);
}

/* Cards */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-24);
  border: 1px solid rgba(15, 23, 42, 0.04);
}

.card--soft {
  background: linear-gradient(135deg, #ffffff, #f5f6fb);
}

.card-header {
  margin-bottom: var(--space-16);
}

.card-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.card-meta {
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Hero Section (generic styles for homepage hero) */
.hero {
  position: relative;
  color: #ffffff;
  background-color: #0b1320;
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(201, 163, 79, 0.45), transparent 55%),
              radial-gradient(circle at bottom right, rgba(21, 62, 117, 0.7), transparent 60%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding-top: var(--space-40);
  padding-bottom: var(--space-40);
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: clamp(1rem, 1.8vw, 1.1rem);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-12);
}

.hero-heading {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.1;
  font-size: clamp(2.3rem, 4.4vw, 3.1rem);
  margin-bottom: var(--space-16);
}

.hero-subtitle {
  max-width: 32rem;
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
}

.hero-tags {
  margin-top: var(--space-24);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero-tag {
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.35);
  background-color: rgba(11, 19, 32, 0.4);
  backdrop-filter: blur(6px);
}

/* Tag accent variations for specific games or event types */
.hero-tag--poker {
  border-color: rgba(201, 163, 79, 0.9);
}

.hero-tag--vip {
  border-color: rgba(255, 255, 255, 0.6);
}

/* Header Navigation (base) */
.site-header {
  position: sticky;
  top: var(--age-notice-height-mobile);
  z-index: 1500;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

@media (min-width: 768px) {
  .site-header {
    top: var(--age-notice-height-desktop);
  }
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-700);
  padding-bottom: 0.4rem;
  border-bottom: 2px solid transparent;
  transition:
    color var(--transition-base),
    border-color var(--transition-base);
}

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

.nav-link--active {
  color: var(--color-primary);
  border-color: var(--color-accent-gold);
}

/* Footer disclaimer (mandatory text styling only) */
.footer-disclaimer {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.footer-disclaimer em {
  font-style: normal;
  color: var(--color-danger);
}

/* Chips / tags for content keywords (e.g. kasinová párty, ruleta na akci) */
.keyword-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.keyword-tag {
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  color: var(--gray-700);
}

.keyword-tag--primary {
  border-color: rgba(21, 62, 117, 0.25);
  background-color: #f3f6fb;
  color: var(--color-primary);
}

.keyword-tag--gold {
  border-color: rgba(201, 163, 79, 0.4);
  background: radial-gradient(circle at 0 0, rgba(201, 163, 79, 0.18), transparent 60%), #ffffff;
}