/* ================================================================
   SPINZEST.SHOP - CASINO INFORMATION WEBSITE
   Roulette Probability & Odds Education
   ================================================================ */

/* ================================================================
   1. ROOT & TYPOGRAPHY
   ================================================================ */

:root {
  --color-primary: #1a1a2e;
  --color-secondary: #16213e;
  --color-accent: #aa8c2c;
  --color-background: #f8f7f2;
  --color-text: #2c2c2c;
  --color-text-light: #5a5a5a;
  --color-text-inverse: #ffffff;
  --color-border: #e0ddd5;
  --color-shadow: rgba(26, 26, 46, 0.1);
  --color-shadow-hover: rgba(26, 26, 46, 0.15);
  
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Lato', sans-serif;
  
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-xxl: 64px;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --shadow-sm: 0 2px 8px var(--color-shadow);
  --shadow-md: 0 4px 16px var(--color-shadow);
  --shadow-lg: 0 8px 32px var(--color-shadow);
  --shadow-hover: 0 12px 48px var(--color-shadow-hover);
  
  --transition-fast: 0.2s ease-in-out;
  --transition-base: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
  font-weight: 400;
}

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-sm);
}

h1 {
  font-size: 3rem;
  letter-spacing: -0.5px;
}

h2 {
  font-size: 2.25rem;
  letter-spacing: -0.25px;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.375rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  line-height: 1.8;
}

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

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

/* ================================================================
   2. LAYOUT & CONTAINER
   ================================================================ */

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

.container-fluid {
  width: 100%;
}

.section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

.section.light {
  background-color: var(--color-background);
}

.section.dark {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.section.dark h1,
.section.dark h2,
.section.dark h3,
.section.dark h4,
.section.dark h5,
.section.dark h6 {
  color: var(--color-text-inverse);
}

.section.accent {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-text-inverse);
}

.section.accent h1,
.section.accent h2,
.section.accent h3,
.section.accent h4,
.section.accent h5,
.section.accent h6 {
  color: var(--color-text-inverse);
}

/* Section dividers */
.section + .section {
  border-top: 1px solid var(--color-border);
}

.section.dark + .section,
.section.accent + .section {
  border-top: none;
}

.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, transparent 100%);
  opacity: 0.3;
}

.section:first-child::before {
  display: none;
}

/* ================================================================
   3. HEADER & NAVIGATION
   ================================================================ */

.header {
  background-color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
}

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

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

.logo-icon {
  width: 32px;
  height: 32px;
  display: inline-block;
  margin-right: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  border-radius: var(--radius-md);
}

.tagline {
  font-size: 0.75rem;
  font-family: var(--font-body);
  color: var(--color-text-light);
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--color-primary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
  position: relative;
  display: block;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  margin: 4px 0;
  transition: all var(--transition-fast);
  border-radius: var(--radius-sm);
}

/* ================================================================
   4. HERO SECTION
   ================================================================ */

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

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(170, 140, 44, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

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

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
}

.hero .casino-icon {
  width: 64px;
  height: 64px;
  display: inline-block;
  vertical-align: middle;
  margin-right: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-accent), rgba(170, 140, 44, 0.7));
  border-radius: var(--radius-md);
}

.hero-subtitle {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

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

/* ================================================================
   5. BUTTONS
   ================================================================ */

.btn {
  display: inline-block;
  padding: 12px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  letter-spacing: 0.5px;
}

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

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.btn-primary:hover:not(:disabled) {
  background-color: #9a7820;
  box-shadow: var(--shadow-lg);
  transform: translateY(-