:root {
  --primary-orange: #EA5C0C;
  --primary-orange-light: #FF7A2F;
  --primary-orange-dark: #C74E0A;
  --text-primary: #404040;
  --text-secondary: #6B7280;
  --text-light: #9CA3AF;
  --bg-light: #F8F9FA;
  --bg-white: #FFFFFF;
  --border-color: #E5E7EB;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
  --transition: all 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-white);
  font-size: 14px;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  gap: 8px;
}

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

.btn-primary:hover {
  background: var(--primary-orange-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-orange);
  border: 1.5px solid var(--primary-orange);
}

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

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

.btn-white:hover {
  background: #f8f8f8;
  transform: translateY(-1px);
}

.btn-outline-light {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-color);
}

.btn-outline-light:hover {
  border-color: var(--primary-orange);
  color: var(--primary-orange);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  max-width: 1140px;
  margin: 0 auto;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-orange);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  width: 28px;
  height: 28px;
  color: var(--primary-orange);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-weight: 500;
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: var(--bg-white);
  position: relative;
  overflow: hidden;
  padding-top: 70px;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.hero-text {
  color: var(--text-primary);
}

.hero-tagline {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary-orange);
  margin-bottom: 12px;
  font-weight: 600;
}

.hero-title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
}

.data-viz {
  background: var(--bg-light);
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--border-color);
}

.chart-container {
  height: 240px;
  display: flex;
  align-items: flex-end;
  gap: 12px;
  padding: 16px 0;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--primary-orange-light) 0%, var(--primary-orange) 100%);
  border-radius: 6px 6px 0 0;
  transition: all 0.5s ease;
  position: relative;
}

.chart-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: white;
  border-radius: 3px 3px 0 0;
  opacity: 0.4;
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-light {
  background: var(--bg-light);
}

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

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

.section-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary-orange);
  font-weight: 600;
  margin-bottom: 10px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 14px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.section-orange .section-label {
  color: rgba(255, 255, 255, 0.8);
}

.section-orange .section-subtitle {
  color: rgba(255, 255, 255, 0.85);
}

/* Industries Cards */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.industry-card {
  background: white;
  border-radius: 12px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.industry-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-orange);
}

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

.industry-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: linear-gradient(135deg, #FFF5F0 0%, #FFE8DD 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--primary-orange);
}

.industry-icon svg {
  width: 24px;
  height: 24px;
}

.industry-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  font-weight: 600;
}

.industry-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 14px;
}

/* Process Steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step {
  text-align: center;
  padding: 28px 18px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
}

.process-step:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-3px);
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  margin: 0 auto 14px;
  color: var(--primary-orange);
}

.process-step h4 {
  font-size: 15px;
  margin-bottom: 8px;
  font-weight: 600;
}

.process-step p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  line-height: 1.5;
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: white;
  padding: 28px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, #FFF5F0 0%, #FFE8DD 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--primary-orange);
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

/* Products Section */
.product-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  margin-bottom: 40px;
}

.product-header {
  background: var(--primary-orange);
  padding: 28px;
  color: white;
}

.product-category {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  opacity: 0.85;
  margin-bottom: 6px;
}

.product-name {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
}

.product-overview {
  opacity: 0.9;
  line-height: 1.6;
  font-size: 14px;
}

.product-body {
  padding: 28px;
}

.product-section {
  margin-bottom: 24px;
}

.product-section:last-child {
  margin-bottom: 0;
}

.product-section h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--primary-orange);
}

.product-section ul {
  display: grid;
  gap: 10px;
}

.product-section li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 14px;
}

.product-section li::before {
  content: '→';
  color: var(--primary-orange);
  font-weight: bold;
}

.product-section p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 14px;
}

.target-users {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.user-tag {
  background: var(--bg-light);
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* Use Cases */
.use-cases-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.use-case-category {
  background: white;
  border-radius: 12px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.use-case-category h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.use-case-category h3 svg {
  width: 22px;
  height: 22px;
  color: var(--primary-orange);
}

.use-case-list {
  display: grid;
  gap: 12px;
}

.use-case-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  background: var(--bg-light);
  border-radius: 10px;
  transition: var(--transition);
}

.use-case-item:hover {
  background: linear-gradient(135deg, #FFF5F0 0%, #FFE8DD 100%);
}

.use-case-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--primary-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.use-case-icon svg {
  width: 18px;
  height: 18px;
}

.use-case-item p {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 14px;
}

/* Case Studies - Expandable Cards */
.case-cards-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.case-card {
  background: white;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}

.case-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-orange);
}

.case-card.open {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-orange);
}

.case-card-preview {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
}

.case-card-icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.case-card-icon svg {
  width: 28px;
  height: 28px;
}

.case-card-info {
  flex: 1;
}

.case-card-category {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary-orange);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  background: rgba(234, 92, 12, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
}

.case-card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.3;
}

.case-card-teaser {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.case-card-toggle {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

.case-card-toggle svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
}

.case-card.open .case-card-toggle {
  background: var(--primary-orange);
  color: white;
}

.case-card.open .case-card-toggle svg {
  transform: rotate(180deg);
}

.case-card-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  background: var(--bg-light);
  border-top: 1px solid var(--border-color);
}

.case-card.open .case-card-content {
  max-height: 1000px;
}

.case-content-section {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.case-content-section:last-child {
  border-bottom: none;
}

.case-content-section h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-orange);
  margin-bottom: 10px;
}

.case-content-section p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

.case-content-section ul {
  margin: 12px 0 0 0;
  padding: 0;
  list-style: none;
}

.case-content-section ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.case-content-section ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--primary-orange);
  border-radius: 50%;
}

.case-content-section ul li:last-child {
  margin-bottom: 0;
}

/* Process Steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step-card {
  background: white;
  border-radius: 12px;
  padding: 28px;
  text-align: center;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.process-step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-orange);
  color: white;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.process-step-card h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.process-step-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-text h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 18px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
  font-size: 14px;
}

.vision-box {
  background: var(--primary-orange);
  color: white;
  padding: 24px;
  border-radius: 12px;
  margin-top: 24px;
}

.vision-box h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
  opacity: 0.85;
}

.vision-box p {
  color: white;
  font-size: 15px;
  line-height: 1.6;
}

.about-visual {
  position: relative;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.stat-card {
  background: white;
  padding: 24px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  text-align: center;
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary-orange);
  margin-bottom: 6px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 13px;
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  font-size: 14px;
}

.contact-features {
  display: grid;
  gap: 16px;
}

.contact-feature {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, #FFF5F0 0%, #FFE8DD 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-orange);
}

.contact-feature-icon svg {
  width: 20px;
  height: 20px;
}

.contact-feature-text h4 {
  font-weight: 600;
  margin-bottom: 2px;
  font-size: 14px;
}

.contact-feature-text p {
  color: var(--text-secondary);
  font-size: 13px;
  margin: 0;
}

.contact-form {
  background: white;
  padding: 32px;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.form-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-subtitle {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 14px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-primary);
  font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-orange);
  box-shadow: 0 0 0 3px rgba(234, 92, 12, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 14px;
}

/* Footer */
.footer {
  background: var(--bg-light);
  color: var(--text-primary);
  padding: 60px 0 24px;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 14px;
  display: inline-flex;
}

.footer-brand p {
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 280px;
  font-size: 13px;
}

.footer-links h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--text-primary);
}

.footer-links ul {
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  transition: var(--transition);
  font-size: 13px;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: center;
  color: var(--text-light);
  font-size: 13px;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.pricing-card {
  background: white;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  padding: 32px;
  position: relative;
  transition: var(--transition);
}

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

.pricing-card.featured {
  border-color: var(--primary-orange);
  box-shadow: var(--shadow-md);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-orange);
  color: white;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.pricing-header h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.pricing-description {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-price {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.price-amount {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
}

.price-period {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.pricing-features li svg {
  width: 18px;
  height: 18px;
  color: var(--primary-orange);
  flex-shrink: 0;
}

.pricing-btn {
  width: 100%;
}

.pricing-note {
  text-align: center;
  padding: 24px;
  background: var(--bg-light);
  border-radius: 12px;
}

.pricing-note p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

/* FAQ */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-category {
  margin-bottom: 40px;
}

.faq-category h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-orange);
}

.faq-item {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary-orange);
}

.faq-item.open {
  border-color: var(--primary-orange);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-weight: 500;
  color: var(--text-primary);
}

.faq-question span {
  flex: 1;
  font-size: 15px;
}

.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
  color: var(--primary-orange);
}

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

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

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* Page Header */
.page-header {
  background: var(--bg-light);
  padding: 120px 0 60px;
  text-align: center;
  color: var(--text-primary);
  position: relative;
  border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* CTA Section */
.cta-section {
  background: var(--primary-orange);
  padding: 60px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 28px;
  font-weight: 600;
  color: white;
  margin-bottom: 12px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
  margin-bottom: 24px;
  max-width: 450px;
  margin-left: auto;
  margin-right: auto;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.5s ease forwards;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

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

  .hero-title {
    font-size: 34px;
  }

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

  .hero-visual {
    display: none;
  }

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

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

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-color);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero {
    padding-top: 80px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .section {
    padding: 50px 0;
  }

  .section-title {
    font-size: 24px;
  }

  .industries-grid,
  .use-cases-container,
  .contact-container,
  .about-content {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .case-card-preview {
    flex-wrap: wrap;
    gap: 16px;
  }

  .case-card-info {
    flex: 1 1 calc(100% - 76px);
  }

  .case-card-toggle {
    position: absolute;
    top: 24px;
    right: 24px;
  }

  .case-card {
    position: relative;
  }

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

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

  .footer-brand p {
    max-width: 100%;
  }

  .page-header h1 {
    font-size: 28px;
  }

  .page-header {
    padding: 100px 0 50px;
  }

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

  .pricing-card.featured {
    order: -1;
  }

  .faq-question {
    padding: 16px 20px;
  }

  .faq-question span {
    font-size: 14px;
  }

  .faq-answer p {
    padding: 0 20px 16px;
  }

  .contact-features {
    gap: 16px;
  }

  .contact-feature {
    flex-direction: column;
    text-align: center;
  }

  .vision-box {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 24px;
  }

  .section-title {
    font-size: 20px;
  }

  .btn {
    padding: 10px 16px;
    font-size: 13px;
  }

  .case-card-preview {
    padding: 16px;
  }

  .case-card-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
  }

  .case-card-icon svg {
    width: 24px;
    height: 24px;
  }

  .case-card-title {
    font-size: 16px;
  }

  .case-card-teaser {
    font-size: 13px;
  }

  .case-content-section {
    padding: 16px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-number {
    font-size: 28px;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-card {
    padding: 16px 12px;
  }

  .about-visual {
    width: 100%;
    max-width: 100%;
  }
}