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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333;
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo h2 {
  color: #ff6b35;
  font-size: 1.8rem;
  font-weight: bold;
}

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

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: #ff6b35;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: white;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  height: 100vh;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
              url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?w=1920&h=1080&fit=crop&q=80');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.hero-content {
  max-width: 800px;
  padding: 0 20px;
  animation: fadeInUp 1s ease;
}

.hero-title {
  font-size: 3.5rem;
  color: white;
  margin-bottom: 1rem;
  font-weight: bold;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: #f0f0f0;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.btn {
  padding: 15px 30px;
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary {
  background: #ff6b35;
  color: white;
}

.btn-primary:hover {
  background: #e55a2b;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 107, 53, 0.3);
}

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

.btn-secondary:hover {
  background: white;
  color: #333;
  transform: translateY(-3px);
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-arrow {
  width: 30px;
  height: 30px;
  border-right: 3px solid white;
  border-bottom: 3px solid white;
  transform: rotate(45deg);
  animation: bounce 2s infinite;
}

/* Features Section */
.features {
  padding: 100px 0;
  background: #f8f9fa;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #333;
}

.section-header p {
  font-size: 1.2rem;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

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

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.feature-icon {
  display: inline-block;
  padding: 1rem;
  background: #ff6b35;
  border-radius: 50%;
  color: white;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #333;
}

.feature-card p {
  color: #666;
  line-height: 1.7;
}

/* Testimonials Section */
.testimonials {
  padding: 100px 0;
  background: #333;
  color: white;
}

.testimonials .section-header h2,
.testimonials .section-header p {
  color: white;
}

.testimonials-carousel {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-track {
  position: relative;
  overflow: hidden;
}

.testimonial-slide {
  display: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.testimonial-slide.active {
  display: block;
  opacity: 1;
}

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

.testimonial-image {
  margin-bottom: 2rem;
}

.testimonial-image img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #ff6b35;
}

blockquote p {
  font-size: 1.3rem;
  font-style: italic;
  margin-bottom: 2rem;
  line-height: 1.6;
}

blockquote footer {
  text-align: center;
}

blockquote cite {
  font-size: 1.1rem;
  font-weight: bold;
  color: #ff6b35;
  display: block;
  margin-bottom: 0.5rem;
}

blockquote span {
  font-size: 0.9rem;
  color: #ccc;
}

.testimonial-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.testimonial-btn {
  background: #ff6b35;
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.testimonial-btn:hover {
  background: #e55a2b;
  transform: scale(1.1);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #666;
  cursor: pointer;
  transition: background 0.3s ease;
}

.dot.active {
  background: #ff6b35;
}

/* Contact Section */
.contact {
  padding: 100px 0;
  background: #f8f9fa;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #333;
}

.contact-info p {
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-item svg {
  color: #ff6b35;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: #333;
}

.contact-item p {
  color: #666;
  margin: 0;
}

.contact-form {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: #333;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #ff6b35;
}

.form-group.error input,
.form-group.error textarea {
  border-color: #e74c3c;
}

.error-message {
  color: #e74c3c;
  font-size: 0.9rem;
  margin-top: 0.5rem;
  display: block;
}

/* Footer */
.footer {
  background: #222;
  color: white;
  padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
  margin-bottom: 1rem;
  color: #ff6b35;
}

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

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

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

.footer-section ul li a:hover {
  color: #ff6b35;
}

.footer-bottom {
  text-align: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #444;
  color: #ccc;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0) rotate(45deg);
  }
  40% {
    transform: translateX(-50%) translateY(-10px) rotate(45deg);
  }
  60% {
    transform: translateX(-50%) translateY(-5px) rotate(45deg);
  }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: rgba(0, 0, 0, 0.95);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

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

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .testimonial-nav {
    gap: 0.5rem;
  }

  .testimonial-btn {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

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

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

  .btn {
    padding: 12px 24px;
    font-size: 1rem;
  }

  .feature-card {
    padding: 1.5rem;
  }

  .contact-form {
    padding: 1.5rem;
  }
}