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

:root {
  --primary-color: #2563eb;
  --secondary-color: #1d4ed8;
  --accent-color: #f59e0b;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --background-light: #f9fafb;
  --background-white: #ffffff;
  --border-light: #e5e7eb;
  --success-color: #10b981;
  --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-heavy: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-white);
}

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

/* Header & Navigation */
.header {
  background: var(--background-white);
  box-shadow: var(--shadow-light);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

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

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

.logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: -0.5px;
}

.logo-tagline {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-top: -2px;
}

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

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

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

/* Hero Section */
.hero {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: white;
  padding: 120px 0 80px;
  display: flex;
  align-items: center;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>')
    repeat;
  animation: float 20s infinite linear;
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  100% {
    transform: translateY(-100px);
  }
}

.hero-content {
  flex: 1;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 2rem;
  z-index: 2;
  position: relative;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.accent {
  color: var(--accent-color);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  font-weight: 300;
}

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

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* Bike Illustration */
.bike-illustration {
  position: relative;
  width: 400px;
  height: 200px;
  transform: scale(1.2);
}

.bike-frame {
  position: absolute;
  width: 200px;
  height: 80px;
  border: 4px solid white;
  border-radius: 40px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.9;
}

.bike-wheel {
  position: absolute;
  width: 60px;
  height: 60px;
  border: 4px solid white;
  border-radius: 50%;
  top: 60%;
  animation: rotate 4s linear infinite;
}

.wheel-front {
  right: 20px;
}

.wheel-back {
  left: 20px;
}

.bike-battery {
  position: absolute;
  width: 40px;
  height: 20px;
  background: var(--accent-color);
  border-radius: 4px;
  top: 45%;
  left: 50%;
  transform: translateX(-50%);
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background: #d97706;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

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

/* Services Section */
.services {
  padding: 80px 0;
  background: var(--background-light);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: 2rem;
}

.service-card {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-light);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  margin-bottom: 1rem;
  position: relative;
}

.delivery-icon {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

.commuter-icon {
  background: linear-gradient(135deg, #10b981, #059669);
}

.service-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  background: white;
  border-radius: 50%;
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
}

.service-features li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.service-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: bold;
}

/* Features Section */
.features {
  padding: 80px 0;
}

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

.feature-item {
  text-align: center;
  padding: 1.5rem;
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.speed-icon {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.battery-icon {
  background: linear-gradient(135deg, #10b981, #059669);
}

.app-icon {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.support-icon {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.feature-item h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.feature-item p {
  color: var(--text-secondary);
}

/* Pricing Section */
.pricing {
  padding: 80px 0;
  background: var(--background-light);
}

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

.pricing-card {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-light);
  text-align: center;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
}

.pricing-card.featured {
  border: 3px solid var(--primary-color);
  transform: scale(1.05);
}

.pricing-card.featured::before {
  content: "Most Popular";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.pricing-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.price {
  margin-bottom: 1.5rem;
}

.currency {
  font-size: 1rem;
  color: var(--text-secondary);
  vertical-align: top;
}

.amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.period {
  font-size: 1rem;
  color: var(--text-secondary);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.pricing-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: bold;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: white;
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

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

/* Footer */
.footer {
  background: var(--text-primary);
  color: white;
  padding: 60px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
  margin-bottom: 1rem;
  color: var(--accent-color);
}

.footer-section p,
.footer-section li {
  color: #d1d5db;
  margin-bottom: 0.5rem;
}

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

.footer-section a {
  color: #d1d5db;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #374151;
  color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .hero {
    flex-direction: column;
    text-align: center;
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

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

  .bike-illustration {
    transform: scale(0.8);
  }

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

  .section-title {
    font-size: 2rem;
  }

  .cta-section h2 {
    font-size: 2rem;
  }

  .pricing-card.featured {
    transform: none;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .service-card,
  .pricing-card {
    padding: 1.5rem;
  }

  .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }
}