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

:root {
  /* Cores do tema escuro */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent-primary: #06b6d4;
  --accent-secondary: #0891b2;
  --border-color: #27272a;
  --border-subtle: rgba(255, 255, 255, 0.1);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Header */
header {
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}

.logo {
  height: 4rem;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.3s;
}

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

.btn {
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--accent-secondary);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

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

/* Hero Section */
.hero {
  position: relative;
  padding: 6rem 0 8rem;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to bottom, rgba(6, 182, 212, 0.05), transparent);
  pointer-events: none;
}

.hero-content {
  max-width: 56rem;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  color: var(--accent-primary);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(to right, var(--accent-primary), #22d3ee, var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.hero p {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* Services Section */
.services {
  padding: 5rem 0;
  background: var(--bg-secondary);
}

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

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 48rem;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--accent-primary), transparent);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.service-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
}

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

.service-number {
  font-size: 3rem;
  font-weight: 700;
  color: rgba(6, 182, 212, 0.2);
  line-height: 1;
  margin-bottom: 1rem;
}

.service-icon {
  width: 3rem;
  height: 3rem;
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* CTA Section */
.cta-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, transparent 100%);
}

.cta-content {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
}

.cta-content p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

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

/* Footer */
footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 2rem;
  margin-top: 5rem;
}

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

.footer-section h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-section p,
.footer-section a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.8;
  text-decoration: none;
}

.footer-section a:hover {
  color: var(--accent-primary);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.3s;
}

.social-link:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Publicações */
.publications {
  padding: 5rem 0;
}

.publication-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  margin-bottom: 2rem;
  transition: all 0.3s;
}

.publication-card:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.1);
}

.publication-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 1rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.publication-title {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.publication-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.publication-excerpt {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.category-badge {
  padding: 0.375rem 0.75rem;
  border-radius: 0.375rem;
  border: 1px solid var(--border-color);
  font-size: 0.875rem;
  white-space: nowrap;
}

/* Contato */
.contact-section {
  padding: 5rem 0;
}

.contact-form {
  max-width: 40rem;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2.5rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

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

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero {
    padding: 4rem 0 5rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .hero-actions,
  .cta-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
}

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

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Icons (usando SVG inline) */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  display: inline-block;
  vertical-align: middle;
}