/* ==========================================================================
   R777 BANGLADESH - CORE DESIGN SYSTEM & TOKENS
   Engineered under /gambling-website-ui-ux-designer guidelines
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Surface & Base Colors */
  --bg-base: #0a0d14;
  --bg-surface: #121824;
  --bg-surface-hover: #192233;
  --bg-surface-elevated: #1e283c;
  --bg-overlay: rgba(10, 13, 20, 0.85);

  /* Brand & Accent Tokens */
  --brand-red: #e50914;
  --brand-red-hover: #f41e2b;
  --brand-red-subtle: rgba(229, 9, 20, 0.12);
  --brand-red-glow: 0 0 25px rgba(229, 9, 20, 0.35);

  --accent-gold: #f59e0b;
  --accent-gold-subtle: rgba(245, 158, 11, 0.12);
  --accent-green: #10b981;
  --accent-green-subtle: rgba(16, 185, 129, 0.12);
  --accent-blue: #3b82f6;

  /* Typography Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0a0d14;

  /* Borders & Dividers */
  --border-subtle: #232d3f;
  --border-medium: #334155;
  --border-focus: #e50914;

  /* Font Families */
  --font-bengali: 'Hind Siliguri', 'Noto Sans Bengali', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing Scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 16px -2px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 32px -4px rgba(0, 0, 0, 0.55);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--border-subtle);
  --shadow-card-hover: 0 12px 28px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--brand-red);

  /* Layout Containers */
  --container-max: 1240px;
  --header-height: 72px;
  --mobile-nav-height: 64px;
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* CSS Reset & Base Elements */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

/* Language Switching Display Logic */
[data-lang="bn"] .lang-en {
  display: none !important;
}

[data-lang="en"] .lang-bn {
  display: none !important;
}

/* Default Bengali Typography Enhancements */
html[lang="bn"] body,
html[data-lang="bn"] body {
  font-family: var(--font-bengali), var(--font-body);
  line-height: 1.76;
}

html[lang="bn"] h1, html[lang="bn"] h2, html[lang="bn"] h3, html[lang="bn"] h4,
html[data-lang="bn"] h1, html[data-lang="bn"] h2, html[data-lang="bn"] h3, html[data-lang="bn"] h4 {
  font-family: var(--font-bengali), var(--font-display);
  letter-spacing: normal;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.68;
  letter-spacing: -0.01em;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Links */
a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--brand-red);
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.25rem);
  font-weight: 800;
  margin-bottom: var(--space-md);
}

h2 {
  font-size: clamp(1.5rem, 2.5vw + 0.5rem, 2.15rem);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  position: relative;
}

h3 {
  font-size: clamp(1.2rem, 1.5vw + 0.25rem, 1.45rem);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  color: #e2e8f0;
}

p {
  margin-bottom: var(--space-md);
  color: #cbd5e1;
}

strong {
  color: #ffffff;
  font-weight: 600;
}

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

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }
}

/* Utilities */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-gold { color: var(--accent-gold); }
.text-red { color: var(--brand-red); }
.text-green { color: var(--accent-green); }
.font-mono { font-family: var(--font-mono); }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.hidden { display: none !important; }