:root {
  --color-bg-deep: #0B1026;
  --color-bg-surface: #1E2434;
  --color-text-primary: #FFFFFF;
  --color-accent-cyan: #00E5FF;
  --color-accent-violet: #8A2BE2;
  --color-accent-gold: #FFD700;

  --font-heading: 'Montserrat', 'Poppins', 'Space Grotesk', sans-serif;
  --font-body: 'Inter', 'Open Sans', 'Roboto', sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;

  --container-max: 1200px;
  --container-pad-mobile: 24px;
  --container-pad-desktop: 48px;

  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 16px;
  --radius-pill: 24px;

  --border-metallic: 1px solid transparent;
  --border-gradient: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-violet), var(--color-accent-gold));

  --shadow-glow-cyan: 0 0 20px rgba(0, 229, 255, 0.15);
  --shadow-glow-violet: 0 0 20px rgba(138, 43, 226, 0.15);
  --shadow-glow-gold: 0 0 20px rgba(255, 215, 0, 0.15);

  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s ease;

  --font-size-display: clamp(2.5rem, 5vw, 3.5rem);
  --font-size-h1: clamp(2rem, 4vw, 2.5rem);
  --font-size-h2: clamp(1.75rem, 3vw, 2rem);
  --font-size-h3: clamp(1.25rem, 2vw, 1.5rem);
  --font-size-body: 1rem;
  --font-size-small: 0.875rem;

  --line-height-tight: 1.2;
  --line-height-body: 1.6;
  --line-height-relaxed: 1.75;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: 400;
  line-height: var(--line-height-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg-deep);
  min-height: 100vh;
  min-width: 320px;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

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

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

button {
  background: none;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--color-accent-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-gold);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-accent-cyan);
  outline-offset: 2px;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-block-end: var(--space-3);
}

h1 {
  font-size: var(--font-size-h1);
  letter-spacing: -0.01em;
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: 600;
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: 600;
  letter-spacing: 0;
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0;
}

h5 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0;
}

h6 {
  font-size: var(--font-size-small);
  font-weight: 600;
  letter-spacing: 0;
}

p {
  margin-block-end: var(--space-3);
  line-height: var(--line-height-body);
}

p:last-child {
  margin-block-end: 0;
}

blockquote {
  margin-block-end: var(--space-4);
  padding-inline-start: var(--space-4);
  border-inline-start: 3px solid var(--color-accent-cyan);
  font-style: italic;
  color: rgba(255, 255, 255, 0.85);
}

blockquote:last-child {
  margin-block-end: 0;
}

figure {
  margin-block-end: var(--space-4);
}

figure:last-child {
  margin-block-end: 0;
}

figcaption {
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.7);
  margin-block-start: var(--space-2);
}

hr {
  border: none;
  border-block-start: 1px solid rgba(255, 255, 255, 0.1);
  margin-block: var(--space-6);
}

address {
  font-style: normal;
}

strong {
  font-weight: 600;
}

em {
  font-style: italic;
}

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

mark {
  background-color: rgba(255, 215, 0, 0.2);
  color: var(--color-accent-gold);
  padding: 0 var(--space-1);
  border-radius: var(--radius-small);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad-mobile);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--container-pad-desktop);
  }
}

.section {
  padding-block: var(--space-7);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-8);
  }
}

.surface {
  background-color: rgba(30, 36, 52, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid transparent;
  background-image: linear-gradient(rgba(30, 36, 52, 0.7), rgba(30, 36, 52, 0.7)), var(--border-gradient);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  border-radius: var(--radius-medium);
  padding: var(--space-4);
  box-shadow: var(--shadow-glow-cyan);
}

@media (min-width: 768px) {
  .surface {
    padding: var(--space-5);
  }
}

.surface > :last-child {
  margin-block-end: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--font-size-body);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border-radius: var(--radius-small);
  border: 1px solid transparent;
  background-image: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-violet));
  color: var(--color-bg-deep);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
  min-height: 48px;
  min-width: 44px;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-cyan);
  filter: brightness(1.1);
  color: var(--color-bg-deep);
}

.btn:active {
  transform: translateY(0);
}

.btn--gold {
  background-image: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-cyan));
}

.btn--outline {
  background-image: none;
  background-color: transparent;
  border: 1px solid var(--color-accent-cyan);
  color: var(--color-accent-cyan);
}

.btn--outline:hover {
  background-color: rgba(0, 229, 255, 0.1);
  color: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
}

.overline {
  font-family: var(--font-heading);
  font-size: var(--font-size-small);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-cyan);
  margin-block-end: var(--space-2);
}

.overline:last-child {
  margin-block-end: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--font-size-small);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--color-text-primary);
}

.badge--cyan {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
  background-color: rgba(0, 229, 255, 0.1);
}

.badge--violet {
  border-color: var(--color-accent-violet);
  color: var(--color-accent-violet);
  background-color: rgba(138, 43, 226, 0.1);
}

.badge--gold {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  background-color: rgba(255, 215, 0, 0.1);
}

.flex {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.flex > * {
  min-width: 0;
  flex-shrink: 1;
}

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

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

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

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

.grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

.grid > * {
  min-width: 0;
}

.content-list {
  margin-block-end: var(--space-4);
  padding-inline-start: var(--space-4);
}

.content-list:last-child {
  margin-block-end: 0;
}

.content-list li {
  margin-block-end: var(--space-2);
  position: relative;
  padding-inline-start: var(--space-3);
}

.content-list li:last-child {
  margin-block-end: 0;
}

.content-list li::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent-cyan);
}

.content-list--violet li::before {
  background-color: var(--color-accent-violet);
}

.content-list--gold li::before {
  background-color: var(--color-accent-gold);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="search"],
input[type="number"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  color: var(--color-text-primary);
  background-color: rgba(11, 16, 38, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-small);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 48px;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 0 2px rgba(0, 229, 255, 0.2);
}

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

select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300E5FF' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-inline-end: var(--space-6);
}

label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--font-size-small);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  margin-block-end: var(--space-2);
}

.form-group {
  margin-block-end: var(--space-4);
}

.form-group:last-child {
  margin-block-end: 0;
}

.form-hint {
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.6);
  margin-block-start: var(--space-1);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.casino-lexicon {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  inset-block-start: -100%;
  inset-inline-start: var(--space-3);
  z-index: 10000;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-bg-surface);
  color: var(--color-accent-cyan);
  border-radius: var(--radius-small);
  border: 1px solid var(--color-accent-cyan);
  transition: inset-block-start var(--transition-fast);
}

.skip-link:focus {
  inset-block-start: var(--space-3);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
html, body {
  overflow-x: clip;
  max-width: 100%;
}

img, video, svg {
  max-width: 100%;
  height: auto;
}