/* ============================================================================
   CHIPBLOOM.SHOP - CASINO MATHEMATICS & BETTING STRATEGY
   Complete Responsive CSS Stylesheet
   ============================================================================ */

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

:root {
  --color-primary: #1a1a2e;
  --color-secondary: #16213e;
  --color-accent: #aa8c2c;
  --color-background: #f8f7f2;
  --color-text: #2c2c2c;
  --color-text-light: #5c5c5c;
  --color-border: #e8e8e4;
  --color-white: #ffffff;
  --color-success: #2ecc71;
  --color-warning: #f39c12;
  --color-danger: #e74c3c;
  
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Source Sans Pro', sans-serif;
  
  --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);
  
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  --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;
}

* {
  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;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   2. TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

h1 {
  font-size: 3rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.25rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.375rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
  font-size: 1rem;
}

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

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

/* Strong contrast for better accessibility */
strong, b {
  color: var(--color-primary);
  font-weight: 600;
}

em, i {
  font-style: italic;
}

/* Lists */
ul, ol {
  margin-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

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

/* ============================================================================
   3. BUTTONS & LINKS
   ============================================================================ */

.button, button, input[type="button"], input[type="submit"] {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  letter-spacing: 0.03em;
}

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

.button-primary:hover {
  background-color: #9a7a20;
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.button-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.button-secondary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border: 2px solid var(--color-primary);
}

.button-secondary:hover {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.button-outline {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.button-outline:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.button-small {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 0.875rem;
}

.button-large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.125rem;
}

.button-block {
  display: block;
  width: 100%;
}

/* ============================================================================
   4. HEADER & NAVIGATION
   ============================================================================ */

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

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.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-md);
}

.logo-text {
  line-height: 1;
}

.logo-main {
  display: block;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.logo-tagline {
  display: block;
  font-size: 0.625rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

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

.nav-item {
  position: relative;
}

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

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ============================================================================
   5. HERO SECTION
   ============================================================================ */

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  padding: var(--spacing-3xl) var(--spacing-lg);
  text-align: center;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(170, 140, 44, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero h1 {
  color: var(--color-white);
  font-size: 3.5rem;
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.375rem;
  color: rgba(248, 247, 242, 0.9);
  margin-bottom: var(--spacing-2xl);
  font-weight: 300;
}

.hero-description {
  font-size: 1.125rem;
  color: rgba(248, 247, 242, 0.85);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.8;
}

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

.casino-icon {
  width: 48px;
  height: 48px;
  display: inline-block;
  vertical-align: middle;
  margin-right: var(--spacing-md);
}

.hero .casino-icon {
  width: 64px;
  height: 64px;
  margin-right: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

/* ============================================================================
   6. SECTIONS
   ============================================================================ */

.section {
  padding: var(--spacing-3xl) var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text