/* ============================================================================
   BETPURE.SHOP - CASINO INFORMATION WEBSITE
   Stylesheet for Slot Machine Technology Research Platform
   ============================================================================ */

/* ============================================================================
   1. ROOT & VARIABLES
   ============================================================================ */

:root {
  --color-primary: #2c3e50;
  --color-secondary: #1a252f;
  --color-accent: #ab8e2c;
  --color-background: #f8f9fa;
  --color-text: #1a1a1a;
  --color-light-text: #4a4a4a;
  --color-border: #e0e0e0;
  --color-white: #ffffff;
  
  --font-heading: 'Lora', serif;
  --font-body: 'Open Sans', 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 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.18);
  
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* ============================================================================
   2. RESET & BASE STYLES
   ============================================================================ */

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: hidden;
}

/* ============================================================================
   3. TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -1px;
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: 1.75rem;
  font-weight: 600;
}

h4 {
  font-size: 1.4rem;
  font-weight: 600;
}

h5 {
  font-size: 1.1rem;
  font-weight: 600;
}

h6 {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-light-text);
}

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

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

strong {
  font-weight: 600;
  color: var(--color-text);
}

/* ============================================================================
   4. CONTAINER & LAYOUT
   ============================================================================ */

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

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

.row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--spacing-lg);
}

.col-12 { grid-column: span 12; }
.col-11 { grid-column: span 11; }
.col-10 { grid-column: span 10; }
.col-9 { grid-column: span 9; }
.col-8 { grid-column: span 8; }
.col-7 { grid-column: span 7; }
.col-6 { grid-column: span 6; }
.col-5 { grid-column: span 5; }
.col-4 { grid-column: span 4; }
.col-3 { grid-column: span 3; }
.col-2 { grid-column: span 2; }
.col-1 { grid-column: span 1; }

/* ============================================================================
   5. HEADER & NAVIGATION
   ============================================================================ */

.header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  transition: color var(--transition-base);
}

.logo:hover {
  color: var(--color-accent);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-brand {
  font-size: 1.4rem;
  font-weight: 700;
}

.logo-tagline {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--color-light-text);
  font-family: var(--font-body);
  letter-spacing: 0.5px;
}

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

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--color-primary);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  padding: var(--spacing-xs) 0;
  display: inline-block;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-base);
}

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

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

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

/* ============================================================================
   6. HERO SECTION
   ============================================================================ */

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  padding: var(--spacing-2xl) var(--spacing-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(171, 142, 44, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(171, 142, 44, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-icon {
  width: 80px;
  height: 80px;
  display: inline-block;
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: 3rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-lg);
  color: rgba(255, 255, 255, 0.95);
}

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

/* ============================================================================
   7. BUTTONS & CTAs
   ============================================================================ */

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-body);
  text-align: center;
  vertical-align: middle;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: #94751e;
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-light {
  background-color: rgba(255, 255,