/* Base Styles and Variables */
:root {
  --primary-color: #D50000;
  --secondary-color: #1A237E;
  --accent-color: #880E4F;
  --text-light: #FFFFFF;
  --text-dark: #212121;
  --background-light: #F5F5F5;
  --background-dark: #121212;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --border-radius: 8px;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

/* Reset and Base Typography */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Noto Sans', 'Noto Sans SC', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background-light);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

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

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

img, svg {
  max-width: 100%;
  height: auto;
}

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

/* Header & Navigation */
header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--text-light);
  padding: var(--spacing-sm) 0;
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1000;
  box-shadow: var(--box-shadow);
}

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

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

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-light);
}

.logo-icon {
  width: 40px;
  height: 40px;
}

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

nav a {
  color: var(--text-light);
  font-weight: 500;
  padding: var(--spacing-xs);
}

nav a:hover {
  color: rgba(255, 255, 255, 0.8);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8em 1.5em;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

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

.btn-primary:hover {
  background-color: transparent;
  color: var(--primary-color);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--text-light);
  border: 2px solid var(--secondary-color);
}

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

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

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

/* Hero Section */
.hero {
  padding-top: calc(80px + var(--spacing-xl));
  padding-bottom: var(--spacing-xl);
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
              linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--text-light);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-light);
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

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

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
}

.stat-label {
  font-size: 1rem;
  opacity: 0.8;
}

/* Features Section */
.features {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-light);
}

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

.section-header h2 {
  color: var(--primary-color);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--secondary-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.feature-card {
  background-color: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  margin-bottom: var(--spacing-sm);
}

/* How It Works Section */
.how-it-works {
  padding: var(--spacing-xl) 0;
  background-color: #f9f9f9;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.step {
  background-color: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--box-shadow);
  position: relative;
  text-align: center;
}

.step-number {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary-color);
  color: var(--text-light);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.step-icon {
  margin: var(--spacing-sm) auto;
}

/* Benefits Section */
.benefits {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  color: var(--text-light);
}

.benefits .section-header h2 {
  color: var(--text-light);
}

.benefits .section-header h2::after {
  background-color: var(--text-light);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

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

.benefit-icon {
  background-color: rgba(255, 255, 255, 0.2);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* FAQ Section */
.faq {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-light);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--box-shadow);
}

.faq-item h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
  font-size: 1.2rem;
}

/* CTA Section */
.cta {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: var(--text-light);
  text-align: center;
}

.cta h2 {
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.cta p {
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

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

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

/* Footer */
footer {
  background-color: var(--background-dark);
  color: var(--text-light);
  padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr 2fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo div {
  margin-top: var(--spacing-xs);
  font-weight: 600;
  font-size: 1.2rem;
}

.footer-info p {
  opacity: 0.8;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.footer-links h4 {
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--text-light);
  opacity: 0.7;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-logo {
    grid-column: 1 / -1;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .footer-links {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  nav ul {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .steps {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
}