/* ========================================================================== 
   Variables
   ========================================================================== */
:root {
  /* Colors */
  --color-background: #05060a;
  --color-surface: #101218;
  --color-surface-alt: #161922;
  --color-surface-soft: #1c202a;
  --color-border-subtle: #2c303a;
  --color-border-strong: #3f4652;

  --color-text: #f5f5f7;
  --color-text-muted: #a6a9b3;
  --color-text-soft: #7c808c;
  --color-text-invert: #05060a;

  --color-primary: #ff1433; /* neon crimson */
  --color-primary-soft: #ff4b63;
  --color-primary-dark: #c10d26;

  --color-success: #26d98b;
  --color-warning: #ffb74d;
  --color-danger: #ff5252;

  --color-gray-50: #f8fafc;
  --color-gray-100: #e2e8f0;
  --color-gray-200: #cbd5f5;
  --color-gray-300: #94a3b8;
  --color-gray-400: #64748b;
  --color-gray-500: #475569;
  --color-gray-600: #334155;
  --color-gray-700: #1f2933;
  --color-gray-800: #111827;
  --color-gray-900: #020617;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Oswald", "Anton", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", 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: 1.875rem;/* 30px */
  --font-size-4xl: 2.25rem; /* 36px */
  --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 (px) */
  --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 */

  /* Radii */
  --radius-none: 0;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  /* Shadows - dark, glowy, gaming-inspired */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.6);
  --shadow-medium: 0 18px 45px rgba(0, 0, 0, 0.75);
  --shadow-strong: 0 25px 80px rgba(0, 0, 0, 0.9);
  --shadow-neon-red: 0 0 20px rgba(255, 20, 51, 0.65),
    0 0 40px rgba(255, 20, 51, 0.35);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 200ms ease;
  --transition-slow: 320ms ease;

  /* Layout */
  --container-width: 1200px;
  --container-padding-x: 1.5rem;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

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

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

body {
  margin: 0;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none !important;
}

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

button,
input,
select,
textarea {
  margin: 0;
  font: inherit;
  color: inherit;
}

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

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

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

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

legend {
  padding: 0;
}

/* ========================================================================== 
   Base styles
   ========================================================================== */
body {
  min-height: 100vh;
  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-background);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.5rem, 4vw, var(--font-size-5xl));
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(2rem, 3.2vw, var(--font-size-4xl));
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.5rem, 2.4vw, var(--font-size-3xl));
  margin-bottom: var(--space-2);
}

h4 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-2);
}

h5 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-1);
}

h6 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-1);
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

strong,
b {
  font-weight: 600;
}

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

pre {
  margin: 0;
}

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

a:hover {
  color: var(--color-primary-soft);
  text-shadow: 0 0 12px rgba(255, 20, 51, 0.7);
}

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

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

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

::-moz-selection {
  background: rgba(255, 20, 51, 0.7);
  color: var(--color-text-invert);
}

::selection {
  background: rgba(255, 20, 51, 0.7);
  color: var(--color-text-invert);
}

/* 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;
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

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

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

/* Flex helpers */
.flex {
  display: flex;
}

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

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

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

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

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

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

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

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

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

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

/* Grid helpers */
.grid {
  display: grid;
}

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

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

@media (max-width: 900px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

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

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

.text-muted {
  color: var(--color-text-muted);
}

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

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

.rounded-md {
  border-radius: var(--radius-md);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.shadow-soft {
  box-shadow: var(--shadow-soft);
}

.shadow-neon {
  box-shadow: var(--shadow-neon-red);
}

/* Navigation / burger helper */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle__bar {
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-base),
    opacity var(--transition-base),
    background var(--transition-base);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  background: radial-gradient(circle at top left, rgba(255, 20, 51, 0.25), transparent 55%),
    linear-gradient(135deg, #1a1c24, #090a0f);
  color: var(--color-text);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.8);
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-base),
    border-color var(--transition-fast),
    color var(--transition-fast),
    text-shadow var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-soft));
  color: var(--color-text-invert);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow-neon-red);
}

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

.btn-ghost {
  background: rgba(12, 14, 20, 0.75);
  border-color: rgba(255, 255, 255, 0.06);
}

.btn:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-soft), var(--color-primary));
  text-shadow: 0 0 16px rgba(255, 20, 51, 0.9);
}

.btn:active {
  transform: translateY(0) scale(0.99);
  box-shadow: var(--shadow-soft);
}

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

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

/* Inputs & form elements */
.input,
select,
textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.04), transparent 55%),
    #05060a;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast);
}

.input::placeholder,
textarea::placeholder {
  color: var(--color-text-soft);
}

.input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(255, 20, 51, 0.55), 0 0 25px rgba(255, 20, 51, 0.28);
  background: #070810;
}

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

label {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-soft);
}

.form-field {
  margin-bottom: var(--space-4);
}

.form-hint {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
}

.form-error {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card (for offers, games, events) */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background: radial-gradient(circle at top left, rgba(255, 20, 51, 0.16), transparent 60%),
    linear-gradient(145deg, #151823, #090b10);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.06), transparent 60%);
  mix-blend-mode: soft-light;
  opacity: 0.7;
}

.card__header {
  position: relative;
  margin-bottom: var(--space-3);
}

.card__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-1);
}

.card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.card__body {
  position: relative;
  color: var(--color-text-muted);
}

.card--interactive {
  transition: transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base);
  cursor: pointer;
}

.card--interactive:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(255, 20, 51, 0.6);
  background: radial-gradient(circle at top left, rgba(255, 20, 51, 0.23), transparent 60%),
    linear-gradient(145deg, #181b26, #05060a);
}

/* Hero-specific helpers (for immersive intro) */
.hero {
  position: relative;
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
  color: var(--color-text);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 0%, rgba(255, 20, 51, 0.26), transparent 55%),
    radial-gradient(circle at 80% 100%, rgba(255, 255, 255, 0.08), transparent 55%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.8), rgba(5, 6, 10, 1));
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.2rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-soft);
}

.hero__heading {
  margin-top: var(--space-4);
  margin-bottom: var(--space-3);
}

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

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-4);
}

.hero-tag {
  padding: 0.25rem 0.9rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  background: rgba(10, 12, 18, 0.9);
}

/* FAQ preview / accordion basics */
.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: linear-gradient(145deg, #101218, #070810);
  padding: var(--space-4);
}

.faq-item + .faq-item {
  margin-top: var(--space-3);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

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

/* Badges for game formats (Poker, Ruletka, Blackjack) */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(9, 11, 18, 0.9);
  color: var(--color-text-soft);
}

.badge--primary {
  background: rgba(255, 20, 51, 0.16);
  color: var(--color-primary-soft);
  border-color: rgba(255, 20, 51, 0.6);
}

/* Alerts (for non-gambling disclaimer etc.) */
.alert {
  position: relative;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: rgba(7, 8, 12, 0.95);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.alert--info {
  border-color: var(--color-primary);
}

.alert__title {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

/* Tables (for comparing event formats) */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.table th,
.table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.table th {
  text-align: left;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
}

.table-striped tbody tr:nth-child(odd) {
  background-color: rgba(15, 17, 24, 0.9);
}

/* Responsive spacing helpers for sections */
@media (max-width: 768px) {
  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

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