/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  background: white;
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  padding: 1rem 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gray-900);
  text-decoration: none;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
}

.nav-links a {
  color: var(--color-gray-700);
  font-weight: 500;
  transition: color 0.2s;
}

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

.cta-button-nav {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--color-gray-900);
  border-radius: 2px;
  transition: all 0.3s;
}

/* Hero Section */
.hero {
  padding: 6rem 0;
  background: linear-gradient(180deg, #F0F7FF 0%, #FFFFFF 100%);
}

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

.hero-content h1 {
  margin-bottom: 1.5rem;
}

.hero-subheadline {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--color-gray-600);
  margin-bottom: 2rem;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.stars {
  color: var(--color-amber);
  font-size: 1.25rem;
}

.hero-social-proof span {
  color: var(--color-gray-600);
  font-size: 0.875rem;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Hero Animation */
#hero-animation {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

.hero-animation-svg {
  width: 100%;
  height: auto;
  display: block;
}

.connection-line {
  animation: lineGlow 2s ease-in-out infinite;
}

@keyframes lineGlow {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.6;
  }
}

/* Testimonials Section */
.testimonials-section {
  padding: 3rem 0;
  background: transparent;
}

.testimonials-row {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.testimonial-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  max-width: 340px;
  transition: box-shadow 0.2s;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-sm);
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
}

.testimonial-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.testimonial-quote {
  font-size: 0.9rem;
  color: var(--color-gray-700);
  line-height: 1.5;
  margin: 0;
}

.testimonial-author {
  font-size: 0.8rem;
  color: var(--color-gray-500);
}

@media (max-width: 900px) {
  .testimonials-row {
    flex-direction: column;
    align-items: center;
  }

  .testimonial-card {
    max-width: 100%;
  }
}

/* Problem Section */
.problem-section {
  padding: 5rem 0;
  text-align: center;
}

.problem-section h2 {
  margin-bottom: 3rem;
}

.pain-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.pain-point-card {
  background: white;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.pain-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

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

.pain-point-card p {
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: 0;
}

/* Solution Section */
.solution-section {
  padding: 5rem 0;
  text-align: center;
}

.section-description {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-gray-600);
  max-width: 800px;
  margin: 0 auto 3rem;
}

.solution-visual {
  max-width: 900px;
  margin: 0 auto 3rem;
}

.solution-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.stat {
  padding: 2rem;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  color: var(--color-gray-600);
  font-weight: 500;
}

/* Features Section */
.features-section {
  padding: 6rem 0;
  text-align: center;
}

.features-section h2 {
  margin-bottom: 4rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.feature-card {
  text-align: left;
  background: white;
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-purple));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 2rem;
}

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

.feature-card p {
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.feature-benefit {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-green);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

/* Video Section */
.video-section {
  padding: 6rem 0;
  text-align: center;
  background: linear-gradient(180deg, #FFFFFF 0%, #F0F7FF 100%);
}

.video-section h2 {
  margin-bottom: 1rem;
}

.video-container {
  max-width: 900px;
  margin: 3rem auto;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--color-gray-900);
}

.video-embed {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.video-placeholder {
  padding: 6rem 3rem;
  background: linear-gradient(135deg, var(--color-gray-900) 0%, #1F2937 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 500px;
}

.video-icon {
  width: 80px;
  height: 80px;
  color: white;
  opacity: 0.8;
  margin-bottom: 2rem;
  background: rgba(24, 119, 242, 0.2);
  padding: 1.5rem;
  border-radius: 50%;
  transition: all 0.3s;
}

.video-placeholder:hover .video-icon {
  opacity: 1;
  background: rgba(24, 119, 242, 0.3);
  transform: scale(1.1);
}

.video-placeholder-text {
  font-size: 1.875rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.75rem;
}

.video-placeholder-subtext {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  margin-bottom: 0;
}

.video-benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 800px;
  margin: 3rem auto 0;
}

.benefit-item {
  padding: 1.5rem;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
}

.benefit-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

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

.benefit-item h4 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-gray-900);
}

.benefit-item p {
  color: var(--color-gray-600);
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* Pricing Calculator */
.pricing-calculator {
  background: linear-gradient(135deg, #F0F7FF 0%, #E0F2FE 100%);
  border-radius: var(--radius-lg);
  padding: 3rem;
  max-width: 800px;
  margin: 3rem auto 0;
}

.calculator-inputs {
  margin-bottom: 2rem;
}

.slider-group, .select-group {
  margin-bottom: 2rem;
}

.slider-group label, .select-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-gray-900);
}

.slider-value {
  color: var(--color-primary);
  font-weight: 700;
}

.calculator-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.result-card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.result-card.highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-purple));
  color: white;
}

.result-value {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.result-label {
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0.8;
}

/* Pricing Plans */
.pricing-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1000px;
  margin: 3rem auto 0;
}

.pricing-plan {
  background: white;
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: left;
  position: relative;
}

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

.plan-badge {
  position: absolute;
  top: -12px;
  right: 2rem;
  background: var(--color-green);
  color: white;
  padding: 0.375rem 1rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.plan-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.plan-price span {
  font-size: 1.25rem;
  color: var(--color-gray-600);
  font-weight: 500;
}

.plan-description {
  color: var(--color-gray-600);
  margin-bottom: 2rem;
}

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

.plan-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--color-gray-700);
}

.plan-features li::before {
  content: '✓';
  color: var(--color-green);
  font-weight: 700;
  font-size: 1.25rem;
}

@media (max-width: 900px) {
  .pricing-plans {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
}

/* FAQ Section */
.faq-section {
  padding: 5rem 0;
  max-width: 800px;
  margin: 0 auto;
}

.faq-section h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.faq-item {
  background: white;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem 2rem;
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-gray-900);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s;
}

.faq-question:hover {
  background: var(--color-gray-50);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  transition: transform 0.3s;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

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

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 2rem 1.5rem;
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* Developer Section */
.developer-section {
  padding: 5rem 0;
  background: white;
  text-align: center;
}

.developer-card {
  max-width: 400px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.developer-avatar {
  width: 150px;
  height: 150px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, #f97316, #fbbf24);
  box-shadow: 0 8px 32px rgba(249, 115, 22, 0.3);
}

.developer-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.developer-name {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 0.5rem;
}

.developer-title {
  font-size: 1.125rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.developer-tagline {
  font-size: 1rem;
  color: var(--color-gray-600);
  margin-bottom: 2rem;
}

.linkedin-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  background: #0a66c2;
  border: 2px solid #0a66c2;
  border-radius: 8px;
  color: white;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.linkedin-button:hover {
  background: #004182;
  border-color: #004182;
  box-shadow: 0 4px 16px rgba(10, 102, 194, 0.3);
}

.linkedin-button svg {
  flex-shrink: 0;
}

/* Final CTA Section */
.final-cta-section {
  padding: 6rem 0;
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-purple));
  color: white;
}

.final-cta-section h2 {
  color: white;
  margin-bottom: 1rem;
}

.final-cta-section p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  opacity: 0.95;
}

.final-cta-section .cta-button {
  background: white;
  color: var(--color-primary);
}

.final-cta-section .cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* Footer */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-column h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

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

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

.footer-links a {
  color: var(--color-gray-400);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid var(--color-gray-700);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    margin-bottom: 2rem;
  }

  #hero-animation {
    max-width: 400px;
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

  .calculator-results {
    grid-template-columns: 1fr;
  }

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

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-cta-group {
    flex-direction: column;
  }

  #hero-animation {
    max-width: 300px;
  }

  .pain-points {
    grid-template-columns: 1fr;
  }

  .video-benefits {
    grid-template-columns: 1fr;
  }

  .video-placeholder {
    padding: 3rem 1.5rem;
    min-height: 400px;
  }

  .video-icon {
    width: 60px;
    height: 60px;
  }

  .video-placeholder-text {
    font-size: 1.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}