/* ============================================================================
   GAMBLEBLAZE.SHOP - CASINO EDUCATION WEBSITE CSS
   Theme: Roulette Probability & Odds
   ============================================================================ */

/* ============================================================================
   ROOT & VARIABLES
   ============================================================================ */
:root {
  --color-primary: #7c7c87;
  --color-secondary: #16213e;
  --color-accent: #00d4ff;
  --color-background: #0f3460;
  --color-text: #e8e8e8;
  --color-text-dark: #1a1a1a;
  --color-card-bg: #162a4a;
  --color-border: rgba(124, 124, 135, 0.2);
  
  --font-heading: 'Orbitron', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  --shadow-sm: 0 2px 8px rgba(0, 212, 255, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 212, 255, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 212, 255, 0.15);
  
  --radius: 6px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================================
   RESET & BASE STYLES
   ============================================================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

h1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

h3 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
  letter-spacing: 0.3px;
}

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

a:hover {
  color: #00a8cc;
  text-decoration: underline;
}

ul, ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-sm);
}

/* ============================================================================
   LAYOUT
   ============================================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-md);
}

/* ============================================================================
   HEADER & NAVIGATION
   ============================================================================ */
.header {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-background) 100%);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

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

.brand {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.brand-icon {
  width: 40px;
  height: 40px;
  display: inline-block;
  margin-right: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-accent), #00a8cc);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tagline {
  font-size: 0.75rem;
  color: var(--color-primary);
  font-family: var(--font-body);
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.nav {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-sm) 0;
  display: block;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.nav-link:hover {
  border-bottom-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

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

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-sm);
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */
.hero {
  background: radial-gradient(ellipse 800px 600px at 50% 50%, var(--color-secondary) 0%, var(--color-background) 100%);
  padding: var(--spacing-2xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(124, 124, 135, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

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

.hero-icon {
  width: 64px;
  height: 64px;
  display: inline-block;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-accent), #00a8cc);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}

.hero h1 {
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  font-weight: 300;
  letter-spacing: 0.02em;
}

.hero-description {
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  font-size: 1.1rem;
  color: var(--color-text);
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

/* ============================================================================
   BUTTONS
   ============================================================================ */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #00a8cc);
  color: var(--color-text-dark);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

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

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-secondary:hover {
  background: var(--color-accent);
  color: var(--color-text-dark);
  text-decoration: none;
}

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

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.1rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================================================
   SECTIONS & SPACING
   ============================================================================ */
.section {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

.section-dark {
  background-color: var(--color-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-light {
  background-color: rgba(22, 42, 74, 0.