/* ==========================================================================
   NAVBAR
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(12, 147, 130, 0.15);
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.navbar.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: white;
}

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

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-cyan);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-cyan);
  transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    height: calc(100vh - 72px);
    background: rgba(8, 8, 8, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    gap: 40px;
    z-index: 1001;
    transition: all 0.3s ease;
  }
  
  .nav-links.show {
    display: flex;
  }
  
  .nav-link {
    font-size: 1.5rem;
  }
  
  .btn-menu {
    background: transparent;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
  }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 16px 32px;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
}

.btn-primary {
  background: var(--color-gradient-cta);
  color: white;
  box-shadow: 0 8px 30px rgba(0, 183, 217, 0.2);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 183, 217, 0.4);
}

.btn-secondary {
  background: transparent;
  border: 2px solid rgba(12, 147, 130, 0.5);
  color: var(--color-teal);
}

.btn-secondary:hover {
  border-color: var(--color-teal);
  background: rgba(12, 147, 130, 0.1);
  color: white;
}

.btn-sm { padding: 10px 24px; font-size: 0.875rem; }
.btn-lg { padding: 20px 48px; font-size: 1.125rem; }

/* ==========================================================================
   BADGES & CARDS
   ========================================================================== */
.badge {
  display: inline-flex;
  background: rgba(0, 183, 217, 0.1);
  border: 1px solid rgba(0, 183, 217, 0.3);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-cyan);
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: 32px;
  border-radius: 12px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--color-border-hover);
  box-shadow: var(--color-glow-teal);
}

.text-gradient {
  background: var(--color-gradient-cta);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: #050505;
  border-top: 1px solid rgba(12, 147, 130, 0.1);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
  font-size: 1.25rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.footer-links h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links a {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.social-icons {
  display: flex;
  gap: 16px;
}

.social-icons a {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.social-icons a:hover {
  color: var(--color-cyan);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-brand {
    max-width: 100%;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}