/* Reset and Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #1E40AF;
  --primary-light: #3B82F6;
  --primary-dark: #1E3A8A;
  --accent: #F97316;
  --accent-light: #FB923C;
  --text: #111827;
  --text-light: #4B5563;
  --bg-light: #F9FAFB;
  --bg-dark: #1F2937;
  --white: #FFFFFF;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --radius: 0.5rem;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg-light);
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Flexbox & Grid Utility Classes */
.flex {
  display: flex;
}

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

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.grid {
  display: grid;
}

.gap-4 {
  gap: 1rem;
}

.gap-8 {
  gap: 2rem;
}

.grid-cols-1 {
  grid-template-columns: 1fr;
}

/* Header */
.header {
  background-color: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.logo svg {
  height: 2rem;
  width: auto;
  margin-right: 0.5rem;
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text);
  font-weight: 500;
}

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

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 5rem 0;
  text-align: center;
}

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

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

.search-box {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.search-input {
  flex: 1;
  padding: 1rem;
  border: none;
  outline: none;
  font-size: 1rem;
}

.search-btn {
  background-color: var(--accent);
  color: white;
  border: none;
  padding: 0 1.5rem;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.search-btn:hover {
  background-color: var(--accent-light);
}

/* Button Styles */
.btn {
  display: inline-block;
  background-color: var(--accent);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn:hover {
  background-color: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

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

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

/* Features Section */
.features {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.5rem;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 50%;
  height: 4px;
  background-color: var(--accent);
}

.section-title p {
  color: var(--text-light);
  max-width: 700px;
  margin: 1rem auto 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background-color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.feature-icon {
  margin-bottom: 1.5rem;
  width: 3rem;
  height: 3rem;
  color: var(--primary);
}

.feature-card h3 {
  margin-bottom: 1rem;
}

/* Categories Section */
.categories {
  padding: 5rem 0;
  background-color: var(--white);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}

.category-card {
  background-color: var(--bg-light);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.category-icon {
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

/* How It Works Section */
.how-it-works {
  padding: 5rem 0;
  background-color: var(--bg-light);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.step-card {
  position: relative;
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.step-number {
  position: absolute;
  top: -1.5rem;
  left: -1.5rem;
  width: 3rem;
  height: 3rem;
  background-color: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.5rem;
}

/* CTA Section */
.cta {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: var(--white);
  text-align: center;
}

.cta h2 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.cta p {
  max-width: 600px;
  margin: 0 auto 2rem;
}

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

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

/* FAQ Section */
.faq {
  padding: 5rem 0;
}

.accordion {
  max-width: 800px;
  margin: 2rem auto 0;
}

.accordion-item {
  margin-bottom: 1rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.accordion-header {
  background-color: var(--white);
  padding: 1.25rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion-header h3 {
  margin-bottom: 0;
  font-size: 1.1rem;
}

.accordion-icon {
  width: 1.5rem;
  height: 1.5rem;
  transition: var(--transition);
}

.accordion-content {
  background-color: var(--white);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: var(--transition);
}

.accordion-content-inner {
  padding: 0 1.25rem 1.25rem;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-item.active .accordion-content {
  max-height: 300px;
}

/* Footer */
.footer {
  background-color: var(--bg-dark);
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.footer-logo svg {
  width: 2rem;
  height: 2rem;
  margin-right: 0.5rem;
}

.footer h4 {
  color: var(--white);
  margin-bottom: 1.5rem;
  position: relative;
}

.footer h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 40px;
  height: 3px;
  background-color: var(--accent);
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .nav {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
  
  .grid-cols-1 {
    grid-template-columns: 1fr;
  }
}

/* Animation Classes */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.8s ease forwards;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-4 {
  margin-top: 1rem;
}

.mt-8 {
  margin-top: 2rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}