.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.9));
  border-bottom: 1px solid rgba(15, 23, 42, 0.95);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 24px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-badge {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: conic-gradient(
    from 180deg,
    #22c55e,
    #38bdf8,
    #a855f7,
    #22c55e
  );
  padding: 2px;
  box-shadow: 0 10px 30px rgba(56, 189, 248, 0.55);
}

.brand-badge-inner {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  background: radial-gradient(circle at 30% 10%, #1e293b, #020617 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.brand-text h1 {
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-text span {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-link {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 4px 0;
  position: relative;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #0ea5e9, #22c55e);
  transition: width var(--transition-fast);
}

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

.nav-link-active {
  color: var(--text-main);
  font-weight: 600;
}

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

.pill {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: var(--text-muted);
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(14px);
  background: linear-gradient(
    120deg,
    rgba(15, 23, 42, 0.9),
    rgba(15, 23, 42, 0.6)
  );
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 50;
}

.mobile-menu-btn span {
  width: 100%;
  height: 3px;
  background-color: var(--text-main);
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* Mobile Styles */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
    flex-direction: column;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out, padding 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  }

  .main-nav.active {
    max-height: 400px;
    padding: 20px 24px;
  }

  .nav-links {
    flex-direction: column;
    width: 100%;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
  }
  
  .nav-links:last-child {
    margin-bottom: 0;
    padding-top: 16px;
    border-top: 1px solid rgba(148, 163, 184, 0.1);
  }

  .nav-link {
    font-size: 1rem;
    width: 100%;
    display: block;
    padding: 8px 0;
  }
  
  /* Hamburger Animation */
  .mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  
  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
}