@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

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

:root {
  --bg-primary: #0a0e27;
  --bg-secondary: #141937;
  --bg-card: rgba(20, 25, 55, 0.6);
  --accent-primary: #00d9ff;
  --accent-secondary: #7b2ff7;
  --accent-gradient: linear-gradient(135deg, #00d9ff 0%, #7b2ff7 100%);
  --text-primary: #ffffff;
  --text-secondary: #b8c5d6;
  --text-muted: #6b7a90;
}

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

body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 20% 50%, rgba(123, 47, 247, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(0, 217, 255, 0.15) 0%, transparent 50%);
  animation: bgMove 30s ease infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes bgMove {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(5%, -5%) rotate(120deg); }
  66% { transform: translate(-5%, 5%) rotate(240deg); }
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 14, 39, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  padding: 1.5rem 5%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

header.scrolled {
  background: rgba(10, 14, 39, 0.95);
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

footer {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 4rem 5%;
  text-align: center;
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

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

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s;
  position: relative;
}

.footer-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width 0.3s;
}

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

.footer-links a:hover::after {
  width: 100%;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.bg-light {
  background: var(--bg-primary);
  position: relative;
  z-index: 1;
}

.bg-white {
  background: var(--bg-secondary);
  position: relative;
  z-index: 1;
}

/* Animações de scroll */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Loader para conteúdo dinâmico */
.content-loader {
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top: 3px solid var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--accent-secondary), var(--accent-primary));
}

/* Responsividade */
@media (max-width: 768px) {
  header {
    padding: 0.7rem 3%;
  }

  nav {
    gap: 0.8rem;
  }
}

@media (max-width: 480px) {
  header {
    padding: 0.6rem 3%;
  }

  nav {
    gap: 0.5rem;
  }
}