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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: #2e3a59;
  background-color: #ffffff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
.header {
  background: #ffffff;
  border-bottom: 1px solid #d8eef0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo {
  height: 40px;
  width: auto;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: #2e3a59;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: #2e3a59;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #4fa1a3;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: #2e3a59;
  margin: 3px 0;
  transition: 0.3s;
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  font-size: 1rem;
}

.btn-primary {
  background: #4fa1a3;
  color: white;
}

.btn-primary:hover {
  background: #3d8a8c;
  transform: translateY(-2px);
}

.btn-secondary {
  background: #d8eef0;
  color: #2e3a59;
}

.btn-secondary:hover {
  background: #c5e8ea;
}

.btn-outline {
  background: transparent;
  color: #2e3a59;
  border: 2px solid #2e3a59;
}

.btn-outline:hover {
  background: #2e3a59;
  color: white;
}

/* Hero Section */
.hero {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, #ffffff 0%, #d8eef0 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #2e3a59;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: #2e3a59;
  opacity: 0.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-image {
  display: flex;
  align-items: stretch;
  justify-content: center;
  height: 100%;
  min-height: 500px;
}

.hero-img {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(46, 58, 89, 0.15);
  object-fit: cover;
}

.placeholder-image {
  background: #d8eef0;
  border-radius: 12px;
  padding: 3rem;
  text-align: center;
  color: #2e3a59;
  font-style: italic;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Problem Section */
.problem-section {
  padding: 5rem 0;
  background: #ffffff;
}

.problem-section h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
  color: #2e3a59;
}

.section-subtitle {
  font-size: 1.25rem;
  text-align: center;
  margin-bottom: 3rem;
  color: #2e3a59;
  opacity: 0.8;
}

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

.problem-item {
  text-align: center;
  padding: 2rem;
  border-radius: 12px;
  background: #d8eef0;
}

.problem-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.problem-item h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #2e3a59;
}

.problem-item p {
  color: #2e3a59;
  opacity: 0.8;
}

/* Solution Section */
.solution-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, #d8eef0 0%, #ffffff 100%);
}

.solution-content {
  display: block;
  text-align: center;
}

.solution-section h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: #2e3a59;
}

.solution-intro {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: #2e3a59;
  opacity: 0.8;
}

.solution-features {
  list-style: none;
  margin-bottom: 2rem;
  text-align: left;
  display: inline-block;
}

.solution-features li {
  padding: 0.5rem 0;
  color: #2e3a59;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.solution-features li::before {
  content: "✓";
  color: #4fa1a3;
  font-weight: bold;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

/* How It Works */
.how-it-works {
  padding: 5rem 0;
  background: #ffffff;
}

.how-it-works h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
  color: #2e3a59;
}

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

.step {
  text-align: center;
  padding: 2rem;
}

.step-number {
  width: 60px;
  height: 60px;
  background: #4fa1a3;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0 auto 1.5rem;
}

.step h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #2e3a59;
}

.step p {
  color: #2e3a59;
  opacity: 0.8;
}

/* Features Section */
.features-section {
  padding: 5rem 0;
  background: #d8eef0;
}

.features-section h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
  color: #2e3a59;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.feature-item {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(46, 58, 89, 0.1);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-item h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #2e3a59;
}

.feature-item p {
  color: #2e3a59;
  opacity: 0.8;
}



/* CTA Section */
.cta-section {
  padding: 5rem 0;
  background: #4fa1a3;
  text-align: center;
  color: white;
}

.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.cta-section .btn-primary {
  background: white;
  color: #4fa1a3;
}

.cta-section .btn-primary:hover {
  background: #f0f9f9;
}

.cta-section .btn-outline {
  border-color: white;
  color: white;
}

.cta-section .btn-outline:hover {
  background: white;
  color: #4fa1a3;
}

/* Footer */
.footer {
  padding: 3rem 0 1rem;
  background: #2e3a59;
  color: white;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.footer-brand p {
  margin-bottom: 0.5rem;
  opacity: 0.8;
}

.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: 1rem;
}

.footer-column h4 {
  margin-bottom: 1rem;
  color: #4fa1a3;
}

.footer-column a {
  display: block;
  color: white;
  text-decoration: none;
  margin-bottom: 0.5rem;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-legal {
  display: flex;
  gap: 2rem;
}

.footer-legal a {
  color: white;
  text-decoration: none;
  opacity: 0.8;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero .container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero {
    padding: 6rem 0 3rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-buttons,
  .cta-buttons {
    flex-direction: column;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
  }
  
  .container {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.75rem;
  }
  
  .problem-grid,
  .steps-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .nav {
    padding: 1rem;
  }
}