/* Header Styles
-------------------------------------------------- */
.header {
  align-items: center;
  background: linear-gradient(120deg, #0f2d53 0%, #1a4f83 46%, #2f8fcb 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-md);
  color: white;
  display: flex;
  justify-content: center;
  overflow: hidden;
  padding: 24px 18px;
  position: relative;
  z-index: 100;
}

.header::before {
  background: radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.18), transparent 35%);
  content: '';
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.header::after {
  background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.16), transparent 42%);
  content: '';
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.logo-section {
  align-items: center;
  display: flex;
  left: var(--spacing-lg);
  position: absolute;
}

.header-logo {
  height: 40px;
  margin-right: var(--spacing-sm);
  transition: opacity var(--transition-quick);
}

.header-logo:hover {
  opacity: 0.9;
}

.site-description {
  color: rgba(255, 255, 255, 0.96);
  font-size: 18px;
  font-weight: 700;
  text-shadow: 0 1px 2px var(--shadow-color);
}

.header h1 {
  align-items: center;
  color: white;
  display: flex;
  flex-direction: column;
  font-weight: 700;
  gap: 4px;
  letter-spacing: 0.6px;
  margin: 0;
  position: relative;
  text-align: center;
  text-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.header-title-main {
  color: #ffffff;
  font-size: clamp(28px, 4.2vw, 40px);
  font-weight: 700;
  line-height: 1.08;
}

.header-title-sub {
  color: rgba(235, 246, 255, 0.92);
  font-size: clamp(12px, 1.6vw, 16px);
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.home-button {
  background-color: rgba(255, 255, 255, 0.98);
  border: 2px solid rgba(255, 255, 255, 0.98);
  border-radius: 999px;
  color: var(--header-bg);
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  padding: 8px 20px;
  position: absolute;
  right: var(--spacing-lg);
  text-decoration: none;
  transition: all var(--transition-quick);
  z-index: 1;
}

.home-button:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.home-button:active {
  transform: translateY(0);
}