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

:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --accent-color: #3b82f6;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;
  --success-color: #10b981;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
}

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

/* Navigation */
.navbar {
  background: var(--bg-white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 20px;
}

.nav-brand h1 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

.nav-brand .tagline {
  font-size: 0.75rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.3s;
  padding: 0.5rem 0;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: 4px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  transition: 0.3s;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 3rem;
  opacity: 0.95;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.hero-stats .stat h3 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.hero-stats .stat p {
  font-size: 1rem;
  opacity: 0.9;
}

/* Sections */
section {
  padding: 4rem 0;
}

section h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 3rem;
}

/* Features */
.features {
  background: var(--bg-light);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

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

.feature-card h3 {
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-light);
}

/* Clients */
.clients {
  text-align: center;
}

.client-list {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.client-badge {
  background: var(--bg-light);
  padding: 2rem 3rem;
  border-radius: 8px;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

/* CTA Section */
.cta {
  background: var(--bg-light);
  text-align: center;
}

.cta h2 {
  margin-bottom: 1rem;
}

.cta p {
  color: var(--text-light);
  margin-bottom: 2rem;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  border: 2px solid transparent;
}

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

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

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

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

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

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

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

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

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

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

/* Content Pages */
.content-page {
  padding: 4rem 0;
  min-height: 60vh;
}

.content-page .container {
  max-width: 900px;
}

.content-page h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.content-page .last-updated {
  color: var(--text-light);
  margin-bottom: 2rem;
  font-style: italic;
}

.content-page h2 {
  font-size: 1.75rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
  text-align: left;
}

.content-page h3 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.content-page p {
  margin-bottom: 1rem;
  color: var(--text-dark);
  line-height: 1.8;
}

.content-page ul,
.content-page ol {
  margin-bottom: 1rem;
  margin-left: 2rem;
  color: var(--text-dark);
}

.content-page li {
  margin-bottom: 0.5rem;
}

/* FAQ Page */
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem;
  cursor: pointer;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s;
}

.faq-question:hover {
  background: var(--bg-light);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--primary-color);
}

.faq-question.active::after {
  content: '−';
}

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

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

.faq-answer p {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-light);
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 2rem auto;
  background: var(--bg-white);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.form-submit {
  width: 100%;
  padding: 1rem;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
}

.form-submit:hover {
  background: var(--secondary-color);
}

.form-message {
  padding: 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  display: none;
}

.form-message.success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #6ee7b7;
}

.form-message.error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

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

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
  }

  .nav-menu.active {
    max-height: 400px;
  }

  .nav-menu li {
    padding: 0.75rem 20px;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

  .hero-stats {
    gap: 2rem;
  }

  section h2 {
    font-size: 1.75rem;
  }

  .content-page h1 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }

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

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

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