/**
 * ClubSmarter Landing Page - Header & Navigation Styles
 */

/* Header & Navigation */
.header {
  position: fixed;
  top: var(--spacing-md);
  left: var(--spacing-md);
  right: var(--spacing-md);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-2xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 
              0 2px 8px rgba(0, 0, 0, 0.04),
              inset 0 1px 0 rgba(255, 255, 255, 0.6);
  z-index: var(--z-fixed);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 1400px;
  margin: 0 auto;
}

.header.scrolled {
  top: var(--spacing-sm);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.12), 
              0 4px 16px rgba(0, 0, 0, 0.08),
              inset 0 1px 0 rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.95);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-2xl);
  height: 72px;
  gap: var(--spacing-xl);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  transition: transform 0.2s ease;
  padding: var(--spacing-xs);
  border-radius: var(--radius-lg);
}

.logo:hover {
  transform: translateY(-1px);
}

.logo-icon {
  height: 25px;     /* Desktop */
  width: auto;      /* NIE fest setzen */
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-links li {
  position: relative;
}

.nav-links a {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  position: relative;
  display: block;
}

.nav-links a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-full);
  transition: transform 0.3s ease;
}

.nav-links a:hover {
  color: var(--color-primary);
  background: rgba(44, 133, 192, 0.05);
}

.nav-links a:hover::before {
  transform: translateX(-50%) scaleX(1);
}

.nav-links .nav-cta,
.nav-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%) !important;
  color: var(--color-white) !important;
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-semibold);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(44, 133, 192, 0.3);
  border: none;
  position: relative;
  overflow: hidden;
}

.nav-links .nav-cta::before,
.nav-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.nav-links .nav-cta:hover::before,
.nav-cta:hover::before {
  left: 100%;
}

.nav-links .nav-cta:hover,
.nav-cta:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%) !important;
  color: var(--color-white) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(44, 133, 192, 0.4);
}

.mobile-menu-toggle {
  display: none;
  background: rgba(44, 133, 192, 0.1);
  border: 1px solid rgba(44, 133, 192, 0.2);
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  cursor: pointer;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}

.mobile-menu-toggle:hover {
  background: rgba(44, 133, 192, 0.15);
  transform: scale(1.05);
}

.mobile-menu-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}