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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background-color: #ffffff;
}

html {
  scroll-behavior: smooth;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

p {
    text-align: justify;
}

.centered {
    text-align: center;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: 16px 0;
}

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

nav h1 {
  font-size: 24px;
  font-weight: bold;
  color: #0066cc;
}

nav .nav-links {
  display: flex;
  gap: 32px;
}

nav a {
  color: #1a1a1a;
  text-decoration: none;
  transition: opacity 0.3s;
}

nav a:hover {
  opacity: 0.7;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
  color: white;
  padding: 160px 24px 80px;
  text-align: center;
}

.hero h2 {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 24px;
}

.hero p {
  font-size: 20px;
  margin-bottom: 32px;
  opacity: 0.9;
}

.hero .cta-button {
  display: inline-block;
  padding: 12px 32px;
  background: white;
  color: #0066cc;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: background 0.3s;
}

.hero .cta-button:hover {
  background: rgba(255, 255, 255, 0.9);
}

/* Sections */
section {
  padding: 80px 24px;
}

section.bg-white {
  background: white;
}

section.bg-gray {
  background: #f5f5f5;
}

h2.section-title {
  font-size: 40px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 64px;
  color: #1a1a1a;
}

.section-description {
  font-size: 20px;
  text-align: justify;
  margin: -40px auto 64px;
  max-width: 800px;
  color: #666;
}

.section-description-centered {
  font-size: 20px;
  text-align: center;
  margin: -40px auto 64px;
  max-width: 800px;
  color: #666;
}

/* Grid Layout */
.grid {
  display: grid;
  gap: 32px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

/* Cards */
.card {
  padding: 32px;
  background: white;
  border: 2px solid #0066cc;
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 102, 204, 0.2);
}

.card-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
  color: #0066cc;
}

.card h3 {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 16px;
  color: #1a1a1a;
}

.card p {
  color: #666;
  line-height: 1.6;
}

/* Protocol Features */
.protocol-feature {
  padding: 24px;
  background: white;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.protocol-feature:hover {
  background-color: rgba(0, 102, 204, 0.05);
}

.protocol-feature h3 {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 12px;
  color: #1a1a1a;
}

.protocol-feature p {
  color: #666;
}

/* Team Section */
.team-section-title {
  font-size: 32px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 48px;
}

.team-member {
  text-align: center;
}

.team-avatar {
  width: 128px;
  height: 128px;
  margin: 0 auto 16px;
  background: #f0f0f0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
}

.team-member h4 {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 8px;
  color: #1a1a1a;
}

.team-member .role {
  color: #0066cc;
  font-weight: 600;
  margin-bottom: 12px;
  text-align: center;
}

.team-member .bio {
  color: #666;
  font-size: 14px;
  text-align: center;
}

/* Contact Section */
.contact-section {
  background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
  color: white;
}

.contact-title {
  color: white;
}

.contact-description {
  color: rgba(255, 255, 255, 0.9);
}

.contact-form {
  background: white;
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #1a1a1a;
}

.form-group input,
.form-group textarea {
  width: 94%;
  padding: 12px 16px;
  border: 2px solid #0066cc;
  border-radius: 8px;
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #0052a3;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-button {
  width: 100%;
  padding: 12px;
  background: #0066cc;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}

.submit-button:hover {
  background: #0052a3;
}

.success-message {
  margin-top: 16px;
  padding: 16px;
  background: #d4edda;
  color: #155724;
  border-radius: 8px;
  font-weight: 600;
  display: none;
}

.success-message.show {
  display: block;
}

/* Footer */
footer {
  background: #1a1a1a;
  color: white;
  padding: 32px 24px;
  text-align: center;
}

footer .company-name {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 8px;
}

footer .copyright {
  opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
  nav .nav-links {
    gap: 16px;
    font-size: 14px;
  }

  .hero h2 {
    font-size: 32px;
  }

  .hero p {
    font-size: 16px;
  }

  h2.section-title {
    font-size: 32px;
  }

  .section-description {
    font-size: 16px;
  }
}