/* ============================================
   DEALWHISK.SHOP - CRAPS PROBABILITY WEBSITE
   Casino Information & Mathematics
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ============================================ */
:root {
  --color-primary: #1a1a1a;
  --color-secondary: #2d2d2d;
  --color-accent: #a98c2c;
  --color-background: #f8f6f1;
  --color-text: #1a1a1a;
  --color-text-light: #555555;
  --color-border: #e0dcd4;
  --color-white: #ffffff;
  
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Lato', sans-serif;
  
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

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

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

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;
}

/* ============================================
   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-md);
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.5rem;
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.875rem;
  letter-spacing: -0.01em;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

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

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

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

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

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

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

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

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

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

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.logo-tagline {
  display: none;
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

.nav-link {
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition-fast);
}

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

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

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: all var(--transition-normal);
  border-radius: 1px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
  background-size: 200% 200%;
  color: var(--color-white);
  padding: var(--spacing-3xl) var(--spacing-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(169, 140, 44, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-icon {
  width: 64px;
  height: 64px;
  display: inline-block;
  margin-bottom: var(--spacing-lg);
}

.hero h1 {
  color: var(--color-white);
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-tagline {
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-2xl);
  font-weight: 300;
  letter-spacing: 0.02em;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

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

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

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

.section-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-accent), transparent);
  margin: var(--spacing-2xl) 0;
  opacity: 0.5;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border-top: 4px solid var(--color-accent);
  display: flex;
  flex-