/* Four Leg Racing - Main Stylesheet */
/* Theme: Emerald - Color Palette (60-30-10 rule) */
:root {
  /* Primary Colors (60%) - Emerald Theme */
  --color-primary: #10b981; /* Emerald-500 */
  --color-primary-light: #6ee7b7; /* Emerald-300 */
  --color-primary-dark: #059669; /* Emerald-600 */
  
  /* Secondary Colors (30%) - Neutral/Gray */
  --color-secondary: #374151; /* Gray-700 */
  --color-secondary-light: #9ca3af; /* Gray-400 */
  --color-secondary-dark: #1f2937; /* Gray-800 */
  
  /* Accent Colors (10%) - White/Black for contrast */
  --color-accent: #ffffff;
  --color-accent-dark: #000000;
  
  /* Text Colors */
  --color-text-primary: #1f2937;
  --color-text-secondary: #6b7280;
  --color-text-light: #ffffff;
  
  /* Background Colors */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-dark: #1f2937;
  
  /* Border and Shadow */
  --color-border: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  
  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Font Sizes - Responsive */
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */
  
  /* Spacing */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 0.75rem;   /* 12px */
  --spacing-lg: 1rem;      /* 16px */
  --spacing-xl: 1.5rem;    /* 24px */
  --spacing-2xl: 2rem;     /* 32px */
  --spacing-3xl: 3rem;     /* 48px */
  --spacing-4xl: 4rem;     /* 64px */
  
  /* Layout */
  --max-width-content: 1200px;
  --max-width-text: 65ch;
  
  /* Breakpoints for reference */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
}

html {
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-secondary);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Layout Components */
.container {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container--full {
  max-width: 100%;
  padding: 0;
}

.container--text {
  max-width: var(--max-width-text);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid--2-cols {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3-cols {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4-cols {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {
  .grid--2-cols,
  .grid--3-cols,
  .grid--4-cols {
    grid-template-columns: 1fr;
  }
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex--center {
  justify-content: center;
  align-items: center;
}

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

.flex--column {
  flex-direction: column;
}

.flex--wrap {
  flex-wrap: wrap;
}

.flex--gap {
  gap: var(--spacing-lg);
}

/* Header Styles */
.header {
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: var(--spacing-lg) 0;
  min-height: 80px;
}

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

.header__logo {
  display: flex;
  align-items: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.header__logo img {
  height: 40px;
  width: auto;
}

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

.header__nav-link {
  color: var(--color-text-primary);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 6px;
}

.header__nav-link:hover,
.header__nav-link--active {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  text-decoration: none;
}

.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.header__hamburger-line {
  width: 25px;
  height: 3px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .header__container {
    flex-wrap: wrap;
  }
  
  .header__nav {
    order: 3;
    width: 100%;
    flex-direction: column;
    background-color: var(--color-bg-primary);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    display: none;
    border-top: 2px solid var(--color-primary);
    margin-top: var(--spacing-md);
  }
  
  .header__nav--active {
    display: flex !important;
  }
  
  .header__hamburger {
    display: flex;
    order: 2;
  }
}

/* Hero Section */
.hero {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  padding: var(--spacing-3xl) 0;
  color: var(--color-text-light);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.8), rgba(5, 150, 105, 0.8));
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.hero__title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-light);
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  color: var(--color-text-light);
  opacity: 0.9;
}

@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-2xl) 0;
  }
  
  .hero__title {
    font-size: var(--font-size-3xl);
  }
  
  .hero__subtitle {
    font-size: var(--font-size-lg);
  }
}

/* Platform Cards */
.platform-card {
  background-color: var(--color-bg-primary);
  border-radius: 12px;
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  justify-content: space-between;
}

.platform-card__group1 {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-md);
}

.platform-card__logo {
  width: 150px;
  height: auto;
  padding: var(--spacing-md);
  background-color: var(--color-bg-secondary);
  border-radius: 16px;
}

.platform-card__logo img {
  border-radius: 16px;
}

.platform-card__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

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

.platform-card__stars {
  display: flex;
  gap: 2px;
  color: #fbbf24;
}

.platform-card__reviews {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.platform-card__group2 {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.platform-card__bonus {
  background-color: var(--color-primary-light);
  padding: var(--spacing-md);
  border-radius: 6px;
  text-align: center;
  font-weight: 600;
  color: var(--color-text-primary);
}

.platform-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.platform-card__features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.platform-card__feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.platform-card__feature i {
  color: var(--color-primary);
}

.platform-card__group3 {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  cursor: pointer;
  border: none;
  gap: var(--spacing-sm);
  text-align: center;
}

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

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

.btn--secondary {
  background-color: var(--color-secondary);
  color: var(--color-text-light);
}

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

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

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  text-decoration: none;
}

/* Section Styles */
.section {
  padding: var(--spacing-4xl) 0;
}

.section--gray {
  background-color: var(--color-bg-secondary);
}

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

.section__title {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  font-size: var(--font-size-3xl);
}

.section__subtitle {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* FAQ Accordion */
.faq__item {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.faq__question {
  width: 100%;
  padding: var(--spacing-lg);
  background-color: var(--color-bg-primary);
  border: none;
  text-align: left;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq__question:hover {
  background-color: var(--color-bg-secondary);
}

.faq__question i {
  color: var(--color-primary);
}

.faq__answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  background-color: var(--color-bg-secondary);
  display: none;
}

.faq__answer p {
  margin: 0;
  color: var(--color-text-secondary);
}

.faq__item--active .faq__answer {
  display: block;
}

/* Footer */
.footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.footer__section h3 {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.footer__section p,
.footer__section a {
  color: var(--color-text-light);
  opacity: 0.8;
  margin-bottom: var(--spacing-sm);
}

.footer__section a:hover {
  opacity: 1;
  color: var(--color-primary-light);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__responsible-gaming {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  align-items: center;
}

.footer__responsible-gaming img {
  height: 30px;
  width: auto;
  opacity: 0.8;
}

.footer__responsible-gaming img:hover {
  opacity: 1;
}

.footer__bottom {
  border-top: 1px solid var(--color-secondary);
  padding-top: var(--spacing-xl);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  opacity: 0.7;
}

.footer__age-limit {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.footer__age-limit img {
  height: 24px;
  width: auto;
}

/* Responsive Design */
@media (max-width: 640px) {
  :root {
    --font-size-4xl: 1.875rem;  /* 30px */
    --font-size-3xl: 1.5rem;    /* 24px */
    --font-size-2xl: 1.25rem;   /* 20px */
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .platform-card {
    padding: var(--spacing-lg);
  }
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none; }
.visible { display: block; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}