/* Base Styles */
:root {
  /* Color palette */
  --primary: #0066cc;
  --primary-light: #3387da;
  --primary-dark: #004d99;
  --secondary: #2c3e50;
  --accent: #1abc9c;
  --light: #f8f9fa;
  --dark: #212529;
  --gray: #6c757d;
  --gray-light: #e9ecef;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --risk: #ff7800;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.5;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Container */
  --container-max-width: 1200px;
  --container-padding: 2rem;
  
  /* Border radius */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  
  /* Transitions */
  --transition-speed: 0.3s;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  line-height: var(--line-height-base);
  color: var(--dark);
  background-color: var(--light);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

a:hover {
  color: var(--primary-dark);
}

ul {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
}

h1 {
  font-size: 3rem;
  letter-spacing: -0.5px;
}

h2 {
  font-size: 2.25rem;
  letter-spacing: -0.3px;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-md);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Buttons */
.button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-weight: var(--font-weight-medium);
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: var(--border-radius-md);
  background-color: var(--gray-light);
  color: var(--dark);
  transition: all var(--transition-speed) ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

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

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

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

.button-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 0;
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

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

.logo {
  height: 40px;
}

.logo img {
  height: 100%;
}

.nav ul {
  display: flex;
  gap: var(--spacing-lg);
}

.nav a {
  color: var(--secondary);
  font-weight: var(--font-weight-medium);
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px 0;
  background-color: var(--secondary);
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  padding: 8rem 0 5rem;
  background-color: var(--light);
  background-image: linear-gradient(to bottom right, #f8f9fa, #e9ecef);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../assets/images/dots-pattern.svg');
  opacity: 0.05;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 540px;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  color: var(--secondary);
}

.hero p {
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
  color: var(--secondary);
}

.hero-subtext {
  margin-bottom: var(--spacing-lg);
  color: var(--gray);
}

.hero-subtext p {
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
}

.product-classification {
  background-color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  max-width: 450px;
}

.product-name {
  padding: 0.75rem 1.5rem;
  background-color: var(--primary-light);
  color: white;
  font-weight: var(--font-weight-medium);
  font-size: 0.95rem;
}

.product-name span {
  font-weight: var(--font-weight-bold);
}

.product-image {
  background-color: #f5f5f5;
  padding: 1rem;
  display: flex;
  justify-content: center;
  height: 200px;
  align-items: center;
}

.classification-result {
  padding: 1.5rem;
}

.hs-code {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.confidence-badge {
  display: inline-block;
  background-color: var(--success);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.explanation {
  color: var(--secondary);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.risk-flag {
  background-color: rgba(255, 120, 0, 0.1);
  border-left: 3px solid var(--risk);
  padding: 0.75rem;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

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

.flag-text {
  font-size: 0.85rem;
  color: var(--secondary);
}

/* Problem Section */
.problem {
  padding: var(--spacing-xl) 0;
  background-color: white;
  text-align: center;
}

.problem h2 {
  margin-bottom: var(--spacing-xl);
  color: var(--secondary);
}

.problem-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.card {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background-color: var(--light);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--secondary);
}

.card p {
  margin-bottom: 0;
  color: var(--gray);
}

/* Guide Section */
.guide {
  padding: var(--spacing-xl) 0;
  background-color: var(--light);
  text-align: center;
}

.guide h2 {
  margin-bottom: var(--spacing-sm);
  color: var(--secondary);
}

.section-subhead {
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  font-size: 1.1rem;
  color: var(--gray);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.step {
  position: relative;
  padding: var(--spacing-lg);
  background-color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-speed) ease;
  height: 100%;
}

.step:hover {
  transform: translateY(-5px);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: 0 auto var(--spacing-md);
  border-radius: 50%;
  background-color: var(--primary);
  color: white;
  font-weight: var(--font-weight-bold);
}

.step h3 {
  margin-bottom: var(--spacing-md);
  color: var(--secondary);
}

.step-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto;
}

/* Stakeholder Value Section */
.stakeholder-value {
  padding: var(--spacing-xl) 0;
  background-color: white;
  text-align: center;
}

.stakeholder-value h2 {
  margin-bottom: var(--spacing-xl);
  color: var(--secondary);
}

.stakeholder-table {
  max-width: 900px;
  margin: 0 auto var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.stakeholder-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  text-align: left;
}

.header-row {
  background-color: var(--primary);
  color: white;
  font-weight: var(--font-weight-bold);
}

.stakeholder-cell {
  padding: 1rem;
  border-bottom: 1px solid var(--gray-light);
}

.header-row .stakeholder-cell {
  border-bottom: none;
}

.stakeholder-name {
  font-weight: var(--font-weight-bold);
  color: var(--secondary);
}

.before {
  color: var(--gray);
  background-color: rgba(108, 117, 125, 0.05);
}

.after {
  color: var(--secondary);
  background-color: rgba(0, 102, 204, 0.05);
}

.testimonial {
  max-width: 700px;
  margin: 0 auto;
}

.testimonial blockquote {
  position: relative;
  padding: 2rem;
  font-size: 1.25rem;
  font-style: italic;
  color: var(--secondary);
}

.testimonial blockquote p {
  margin-bottom: 0.5rem;
}

.testimonial cite {
  font-style: normal;
  font-weight: var(--font-weight-bold);
  font-size: 1rem;
  color: var(--gray);
}

/* Network Section */
.network {
  padding: var(--spacing-xl) 0;
  background-color: var(--light);
  text-align: center;
}

.network h2 {
  margin-bottom: var(--spacing-sm);
  color: var(--secondary);
}

.network-diagram {
  max-width: 800px;
  margin: var(--spacing-xl) auto;
}

.network-image {
  max-width: 100%;
  margin-bottom: var(--spacing-lg);
}

.network-steps {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.network-step {
  text-align: center;
}

.step-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 0.5rem;
}

.step-text {
  font-size: 0.9rem;
  color: var(--secondary);
}

.network-arrow {
  color: var(--primary);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
}

.network-cta {
  margin-top: var(--spacing-xl);
}

.network-cta p {
  margin-bottom: var(--spacing-sm);
  color: var(--gray);
  font-weight: var(--font-weight-medium);
}

/* Demo Section */
.demo {
  padding: var(--spacing-xl) 0;
  background-color: white;
  text-align: center;
}

.demo h2 {
  margin-bottom: var(--spacing-md);
  color: var(--secondary);
}

.demo-container {
  max-width: 900px;
  margin: 0 auto var(--spacing-xl);
}



@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes dash {
  0% { stroke-dashoffset: 40; }
  100% { stroke-dashoffset: 0; }
}

.demo-features {
  display: flex;
  justify-content: space-around;
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 160px;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
}

.feature-text {
  font-size: 0.9rem;
  color: var(--secondary);
  text-align: center;
  font-weight: var(--font-weight-medium);
}

.demo-cta {
  margin-top: var(--spacing-lg);
}

/* Security Section */
.security {
  padding: var(--spacing-xl) 0;
  background-color: var(--light);
  text-align: center;
}

.security h2 {
  margin-bottom: var(--spacing-xl);
  color: var(--secondary);
}

.security-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.security-item {
  background-color: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: transform var(--transition-speed) ease;
}

.security-item:hover {
  transform: translateY(-5px);
}

.security-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
}

.security-text h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--secondary);
  font-size: 1.2rem;
}

.security-text p {
  margin-bottom: 0;
  color: var(--gray);
  font-size: 0.9rem;
}

/* Pilot Section (Replacing Pricing) */
.pilot {
  padding: var(--spacing-xl) 0;
  background-color: white;
  text-align: center;
}

.pilot-header {
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

.pilot-header h2 {
  margin-bottom: var(--spacing-sm);
  color: var(--secondary);
  font-size: 2.5rem;
}

.pilot-header p {
  color: var(--gray);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
}

.pilot-cta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.pilot-benefits {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
}

.benefit {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 200px;
}

.benefit-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--primary);
}

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

/* Contact/CTA Section */
.cta {
  padding: var(--spacing-xl) 0;
  background-color: var(--primary);
  background-image: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../assets/images/wave-pattern.svg');
  background-size: cover;
  opacity: 0.05;
  pointer-events: none;
}

.cta h2 {
  margin-bottom: var(--spacing-sm);
  color: white;
}

.cta p {
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  font-size: 1.1rem;
  opacity: 0.9;
}

.signup-form {
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  background-color: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
  color: var(--secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem;
  border: 1px solid var(--gray-light);
  border-radius: var(--border-radius-md);
  font-family: var(--font-family);
  font-size: 0.95rem;
}

.form-group textarea {
  resize: vertical;
}

.contact-options {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

.contact-option h3 {
  margin-bottom: var(--spacing-xs);
  color: white;
  font-size: 1rem;
}

.contact-option p {
  margin-bottom: 0;
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  opacity: 1;
}

/* Footer */
.footer {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  background-color: var(--secondary);
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr) 2fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo img {
  height: 40px;
  margin-bottom: var(--spacing-sm);
}

.footer-logo p {
  opacity: 0.7;
}

.footer-links h4 {
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.footer-links ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--gray-light);
}

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

.footer-newsletter h4 {
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.footer-newsletter p {
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--gray-light);
}

.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
}

.newsletter-form input {
  flex: 1;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-bottom p {
  margin-bottom: 0;
  font-size: 0.875rem;
  color: var(--gray-light);
}

.footer-legal {
  display: flex;
  gap: var(--spacing-md);
}

.footer-legal a {
  color: var(--gray-light);
  font-size: 0.875rem;
}

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

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  transition: background-color var(--transition-speed) ease;
}

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

/* Responsive Styles */
@media (max-width: 992px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero .container {
    grid-template-columns: 1fr;
  }
  
  .hero-content {
    max-width: 100%;
    text-align: center;
    margin-bottom: var(--spacing-lg);
  }
  
  .hero-cta {
    justify-content: center;
  }

  .product-classification {
    margin: 0 auto;
  }
  
  .demo-container {
    grid-template-columns: 1fr;
  }

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

  .stakeholder-cell {
    padding: 0.75rem;
  }

  .header-row {
    display: none;
  }

  .stakeholder-name {
    background-color: var(--gray-light);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-logo, .footer-newsletter {
    grid-column: span 2;
    text-align: center;
    margin-bottom: var(--spacing-lg);
  }
  
  .newsletter-form {
    max-width: 400px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
  }
  
  .nav ul {
    flex-direction: column;
    gap: 0;
  }
  
  .nav li {
    margin: 0;
  }
  
  .nav a {
    display: block;
    padding: 0.75rem 2rem;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .pilot-cta {
    flex-direction: column;
    align-items: center;
  }

  .signup-form {
    padding: var(--spacing-md);
  }
  
  .contact-options {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-logo, .footer-newsletter {
    grid-column: 1;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-legal, .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .hero-cta {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .steps {
    grid-template-columns: 1fr;
  }
  
  .pilot-benefits {
    flex-direction: column;
    align-items: center;
  }
}