:root {
  --fairdm-primary: #08376b;
  --fairdm-cyan: #35c0ed;
  --fairdm-green: #9aeba6;
  --fairdm-teal: #2f90b0;
  --fairdm-accent: #ff6b6b;
  --fairdm-gray: #b7bec8;
  --fairdm-dark: #0a1929;
  --fairdm-light: #f8f9fa;
}

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

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: #1a1a1a;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  overflow-x: hidden;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: linear-gradient(
    135deg,
    var(--fairdm-primary) 0%,
    var(--fairdm-teal) 100%
  );
  color: white;
  overflow: hidden;
  padding: 6rem 2rem 4rem;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(
      circle at 20% 30%,
      rgba(53, 192, 237, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(154, 235, 166, 0.15) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-badge i {
  color: var(--fairdm-green);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, var(--fairdm-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  line-height: 1.6;
  margin-bottom: 3rem;
  opacity: 0.95;
  max-width: 700px;
}

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

.btn-hero-primary {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  background: white;
  color: var(--fairdm-primary);
  border: none;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  color: var(--fairdm-primary);
}

.btn-hero-secondary {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  text-decoration: none;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  color: white;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.hero-stat {
  text-align: left;
}

.hero-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--fairdm-cyan);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.hero-stat-label {
  font-size: 0.875rem;
  opacity: 0.8;
}

.hero-visual {
  position: relative;
  text-align: center;
  margin-top: 3rem;
}

.hero-code-block {
  background: rgba(10, 25, 41, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 2rem;
  text-align: left;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.875rem;
  line-height: 1.8;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  max-width: 650px;
  margin: 0 auto;
  min-height: 380px;
  overflow-x: auto;
}

.hero-code-block pre {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

.hero-code-block code {
  font-family: inherit;
  color: #e0e0e0;
}

.hero-code-block .code-comment {
  color: #7c8696;
}

.hero-code-block .code-decorator {
  color: var(--fairdm-accent);
}

.hero-code-block .code-class {
  color: var(--fairdm-cyan);
}

.hero-code-block .code-keyword {
  color: #c792ea;
}

.hero-code-block .code-string {
  color: var(--fairdm-green);
}

.hero-code-block .code-type {
  color: #82aaff;
}

.hero-code-block .code-field {
  color: #c3e88d;
}

.hero-code-block .typed-cursor {
  color: var(--fairdm-cyan);
  opacity: 1;
  animation: blink 0.7s infinite;
}

@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }

  51%,
  100% {
    opacity: 0;
  }
}

/* Features Section */
.features-section {
  padding: 6rem 2rem;
  background: white;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: linear-gradient(
    135deg,
    rgba(53, 192, 237, 0.1) 0%,
    rgba(47, 144, 176, 0.1) 100%
  );
  color: var(--fairdm-teal);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--fairdm-primary);
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.25rem;
  color: #6c757d;
  max-width: 700px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: white;
  padding: 2.5rem;
  border-radius: 16px;
  border: 2px solid #e9ecef;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--fairdm-cyan), var(--fairdm-teal));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  border-color: var(--fairdm-cyan);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    rgba(53, 192, 237, 0.1) 0%,
    rgba(154, 235, 166, 0.1) 100%
  );
  border-radius: 12px;
  margin-bottom: 1.5rem;
  font-size: 1.75rem;
  color: var(--fairdm-teal);
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--fairdm-primary);
  margin-bottom: 1rem;
}

.feature-description {
  color: #6c757d;
  line-height: 1.7;
  margin-bottom: 0;
}

/* Roles Section */
.roles-section {
  padding: 6rem 2rem;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.roles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.role-card {
  background: white;
  padding: 2.5rem;
  border-radius: 16px;
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.role-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.role-card.role-developer {
  border-color: var(--fairdm-cyan);
}

.role-card.role-admin {
  border-color: var(--fairdm-teal);
}

.role-card.role-user {
  border-color: var(--fairdm-green);
}

.role-card.role-contributor {
  border-color: var(--fairdm-accent);
}

.role-icon-wrapper {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 2rem;
}

.role-developer .role-icon-wrapper {
  background: linear-gradient(
    135deg,
    rgba(53, 192, 237, 0.15) 0%,
    rgba(53, 192, 237, 0.05) 100%
  );
  color: var(--fairdm-cyan);
}

.role-admin .role-icon-wrapper {
  background: linear-gradient(
    135deg,
    rgba(47, 144, 176, 0.15) 0%,
    rgba(47, 144, 176, 0.05) 100%
  );
  color: var(--fairdm-teal);
}

.role-user .role-icon-wrapper {
  background: linear-gradient(
    135deg,
    rgba(154, 235, 166, 0.15) 0%,
    rgba(154, 235, 166, 0.05) 100%
  );
  color: var(--fairdm-green);
}

.role-contributor .role-icon-wrapper {
  background: linear-gradient(
    135deg,
    rgba(255, 107, 107, 0.15) 0%,
    rgba(255, 107, 107, 0.05) 100%
  );
  color: var(--fairdm-accent);
}

.role-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--fairdm-primary);
  margin-bottom: 1rem;
}

.role-description {
  color: #6c757d;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.role-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.role-developer .role-link {
  color: var(--fairdm-cyan);
}

.role-admin .role-link {
  color: var(--fairdm-teal);
}

.role-user .role-link {
  color: var(--fairdm-green);
}

.role-contributor .role-link {
  color: var(--fairdm-accent);
}

.role-link:hover {
  transform: translateX(5px);
  opacity: 0.8;
}

/* CTA Section */
.cta-section {
  padding: 6rem 2rem;
  background: linear-gradient(
    135deg,
    var(--fairdm-primary) 0%,
    var(--fairdm-teal) 100%
  );
  color: white;
  text-align: center;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.cta-description {
  font-size: 1.25rem;
  margin-bottom: 3rem;
  opacity: 0.95;
}

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

/* Supporters Section */
.supporters-section {
  padding: 6rem 2rem;
  background: white;
  text-align: center;
}

.supporters-content {
  max-width: 1000px;
  margin: 0 auto;
}

.supporters-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 4rem;
  margin-top: 3rem;
}

.supporter-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  transition: all 0.3s ease;
  opacity: 0.8;
}

.supporter-logo:hover {
  opacity: 1;
  transform: translateY(-5px);
}

.supporter-logo img {
  max-width: 200px;
  max-height: 80px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(30%);
  transition: filter 0.3s ease;
}

.supporter-logo:hover img {
  filter: grayscale(0%);
}

.supporter-name {
  font-size: 0.875rem;
  color: #6c757d;
  font-weight: 500;
}

/* Footer */
.footer {
  background: var(--fairdm-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 3rem 2rem 2rem;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: white;
}

.footer-social {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.footer-social-link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.5rem;
  transition: all 0.3s ease;
}

.footer-social-link:hover {
  color: var(--fairdm-cyan);
  transform: translateY(-3px);
}

.footer-copyright {
  font-size: 0.875rem;
  opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-section {
    padding: 4rem 1.5rem 3rem;
  }

  .features-section,
  .roles-section,
  .cta-section,
  .supporters-section {
    padding: 4rem 1.5rem;
  }

  .supporters-logos {
    gap: 2rem;
  }

  .supporter-logo img {
    max-width: 150px;
    max-height: 60px;
  }

  .hero-buttons,
  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-hero-primary,
  .btn-hero-secondary {
    text-align: center;
  }

  .hero-stats {
    justify-content: space-around;
  }
}