:root {
  --primary: #3B82F6;
  --primary-dark: #2563EB;
  --secondary: #10B981;
  --dark: #1F2937;
  --gray: #6B7280;
  --light: #F9FAFB;
  --white: #FFFFFF;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: var(--light);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo svg {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--gray);
  font-weight: 500;
  transition: color 0.3s;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
  stroke: var(--dark);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 6rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.btn-secondary {
  background: rgba(255,255,255,0.2);
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.3);
}

.cta-btn {
  background: var(--secondary);
  color: var(--white);
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: 50px;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
  cursor: pointer;
}

.cta-btn:hover {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.cta-floating {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  animation: pulse 2s infinite;
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: 50px;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* Sections */
section {
  padding: 5rem 0;
}

.section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--dark);
}

.section-subtitle {
  text-align: center;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1.1rem;
}

/* Utility classes for content sections */
.content-section {
  max-width: 800px;
  margin: 0 auto;
}

.content-section h2 {
  margin-top: 2rem;
  margin-bottom: 1.5rem;
}

.content-section p {
  margin-bottom: 1.5rem;
}

.spacer-top {
  margin-top: 2rem;
}

.spacer-bottom {
  margin-bottom: 2rem;
}

/* Features */
.features {
  background: var(--white);
}

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

.feature-card {
  background: var(--light);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-card svg {
  width: 48px;
  height: 48px;
  color: var(--primary);
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

/* How It Works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  counter-reset: step;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1rem;
}

/* Blog */
.blog {
  background: var(--white);
}

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

.blog-card {
  background: var(--light);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s;
}

.blog-card:hover {
  transform: translateY(-5px);
}

.blog-card-content {
  padding: 1.5rem;
}

.blog-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.blog-card p {
  color: var(--gray);
  margin-bottom: 1rem;
}

/* Footer */
footer {
  background: var(--dark);
  color: var(--white);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
  color: var(--white);
}

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

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: #9CA3AF;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-section a:hover {
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #374151;
  color: #9CA3AF;
}

/* FAQ */
.faq-item {
  background: var(--white);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.faq-question {
  width: 100%;
  padding: 1.25rem;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--dark);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s;
}

.faq-question.active svg {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.25rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer.active {
  padding: 0 1.25rem 1.25rem;
  max-height: 500px;
}

/* Form */
form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid #E5E7EB;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }
}