/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors */
  --primary: #1e40af;
  --primary-dark: #1e3a8a;
  --secondary: #f1f5f9;
  --accent: #3b82f6;
  --background: #ffffff;
  --foreground: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Typography */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Spacing */
  --container-max-width: 1200px;
  --section-padding: 5rem 0;

  /* Border Radius */
  --radius: 0.75rem;
  --radius-sm: 0.5rem;
  --radius-lg: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--foreground);
  background-color: var(--background);
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

/* Typography */
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.section-description {
  font-size: 1.125rem;
  text-align: center;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 3rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

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

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

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

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

.btn-ghost {
  background-color: transparent;
  color: var(--foreground);
}

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

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

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

.logo-icon {
  color: var(--primary);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--foreground);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.header-buttons {
  display: none;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger {
  width: 1.5rem;
  height: 2px;
  background-color: var(--foreground);
  position: relative;
  transition: all 0.3s ease;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--foreground);
  transition: all 0.3s ease;
}

.hamburger::before {
  top: -6px;
}

.hamburger::after {
  bottom: -6px;
}

.mobile-menu {
  display: none;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
}

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

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* Hero Section */
.hero {
  padding: 8rem 0 5rem;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #e2e8f0 100%);
}

.hero-content {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--muted);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 2rem;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--muted);
}

.hero-image {
  display: flex;
  justify-content: center;
}

.hero-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Features Section */
.features {
  padding: var(--section-padding);
}

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

.feature-card {
  padding: 2rem;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  background-color: var(--secondary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.feature-description {
  color: var(--muted);
  line-height: 1.6;
}

/* Demo Section */
.demo {
  padding: var(--section-padding);
  background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
}

.demo-form-container {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.form-progress {
  padding: 1.5rem;
  background-color: var(--secondary);
  border-bottom: 1px solid var(--border);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.progress-text {
  font-weight: 600;
  color: var(--foreground);
}

.progress-dots {
  display: flex;
  gap: 0.5rem;
}

.progress-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background-color: #d1d5db;
  transition: background-color 0.2s ease;
}

.progress-dot.active {
  background-color: var(--primary);
}

.demo-form {
  padding: 2rem;
}

.form-step {
  display: none;
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.3s ease;
}

.form-step.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.step-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--foreground);
}

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

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

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.error-message {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: block;
}

.general-error {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  padding: 0.75rem;
  margin-bottom: 1rem;
  text-align: center;
  font-weight: 500;
}

.form-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  gap: 1rem;
}

.form-navigation .btn {
  min-width: 120px;
}

.pain-points-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.pain-point {
  position: relative;
}

.pain-point input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.pain-point-label {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
  background-color: white;
}

.pain-point-label:hover {
  background-color: var(--secondary);
  border-color: var(--accent);
}

.pain-point input[type="checkbox"]:checked + .pain-point-label {
  border-color: var(--primary);
  background-color: rgba(59, 130, 246, 0.05);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.radio-group-label {
  font-weight: 500;
  margin-bottom: 1rem;
  display: block;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.radio-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
}

.radio-item:hover {
  background-color: var(--secondary);
}

.radio-item input[type="radio"]:checked {
  accent-color: var(--primary);
}

.radio-item:has(input[type="radio"]:checked) {
  border-color: var(--primary);
  background-color: rgba(59, 130, 246, 0.05);
}

.summary-card {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(59, 130, 246, 0.02) 100%);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  margin-top: 1.5rem;
}

.summary-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.summary-content p {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
}

.summary-content p strong {
  color: var(--foreground);
  min-width: 120px;
}

.summary-content p span {
  color: var(--primary);
  font-weight: 500;
}

.success-step {
  text-align: center;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  border-radius: var(--radius-lg);
  margin: 1rem;
}

.success-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  color: var(--success);
}

.success-content {
  max-width: 500px;
  margin: 0 auto;
}

.success-content h3 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--success);
}

.success-content p {
  color: var(--muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.selected-pain-points {
  background-color: rgba(59, 130, 246, 0.05);
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.selected-pain-points h4 {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.pain-points-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pain-point-badge {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  margin: 0.25rem;
  display: inline-block;
}

.contact-info {
  font-size: 0.875rem;
  color: var(--muted);
}

/* Testimonials Section */
.testimonials {
  padding: var(--section-padding);
  background-color: var(--secondary);
}

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

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

.testimonial-content {
  margin-bottom: 1.5rem;
}

.testimonial-content p {
  font-style: italic;
  color: var(--muted);
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  object-fit: cover;
}

.author-name {
  font-weight: 600;
  color: var(--foreground);
}

.author-role {
  font-size: 0.875rem;
  color: var(--muted);
}

.stats-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-item {
  padding: 1rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

/* About Section */
.about {
  padding: var(--section-padding);
}

.about-content {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.about-description {
  font-size: 1.125rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.about-feature .feature-icon {
  font-size: 2rem;
  width: auto;
  height: auto;
  background: none;
  margin: 0;
}

.feature-content h3 {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-content p {
  color: var(--muted);
  line-height: 1.6;
}

.about-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* FAQ Section */
.faq {
  padding: var(--section-padding);
  background-color: var(--secondary);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-question {
  width: 100%;
  padding: 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.2s ease;
}

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

.faq-icon {
  font-size: 1.25rem;
  font-weight: 300;
  transition: transform 0.2s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding: 0 1.5rem 1.5rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Contact Section */
.contact {
  padding: var(--section-padding);
}

.contact-content {
  display: grid;
  gap: 3rem;
  max-width: 800px;
  margin: 0 auto;
}

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

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

.contact-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-details h3 {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.contact-details p {
  color: var(--muted);
}

.contact-cta {
  text-align: center;
  padding: 2rem;
  background-color: var(--secondary);
  border-radius: var(--radius-lg);
}

.contact-cta h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.contact-cta p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

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

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

.footer-section h4 {
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-description {
  color: #94a3b8;
  line-height: 1.6;
}

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

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

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-contact p {
  color: #94a3b8;
  margin-bottom: 0.5rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #374151;
  color: #94a3b8;
}

/* Support Chat */
.support-chat {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 100;
}

.chat-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: 2rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all 0.2s ease;
}

.chat-toggle:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.chat-icon {
  font-size: 1.25rem;
}

.chat-menu {
  position: absolute;
  bottom: 100%;
  right: 0;
  margin-bottom: 1rem;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 250px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease;
}

.chat-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}

.chat-header h4 {
  font-weight: 600;
  color: var(--foreground);
}

.chat-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--muted);
}

.chat-options {
  padding: 1rem;
}

.chat-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  text-decoration: none;
  color: var(--foreground);
  border-radius: var(--radius);
  transition: background-color 0.2s ease;
  margin-bottom: 0.5rem;
}

.chat-option:hover {
  background-color: var(--secondary);
}

.option-icon {
  font-size: 1.25rem;
}

/* Responsive Design */
@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }

  .header-buttons {
    display: flex;
  }

  .mobile-menu-btn {
    display: none;
  }

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

  .hero-title {
    font-size: 3.5rem;
  }

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

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

@media (min-width: 1024px) {
  .hero-title {
    font-size: 4rem;
  }

  .section-title {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .demo-form {
    padding: 1.5rem;
  }

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

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

  .form-navigation {
    flex-direction: column-reverse;
    gap: 1rem;
  }

  .form-navigation .btn {
    width: 100%;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
    text-align: center;
  }
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Focus styles for accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.pain-point input[type="checkbox"]:focus + .pain-point-label {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.radio-item input[type="radio"]:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}