/**
 * LÖWEN RANKING – UI COMPONENTS & NAVIGATION
 * www.loewen-ranking.de
 */

/* ==========================================================================
   1. STICKY HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(6, 10, 23, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: height var(--transition-normal), background var(--transition-normal);
}

.site-header.scrolled {
  height: 80px;
  background: rgba(6, 10, 23, 0.96);
  border-bottom-color: rgba(107, 43, 255, 0.35);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.header-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo-img {
  height: 87px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast), height var(--transition-normal);
}

.site-header.scrolled .brand-logo-img {
  height: 66px;
}

@media (max-width: 1240px) {
  .brand-logo-img {
    height: 80px;
  }
}

@media (max-width: 1024px) {
  .site-header.scrolled {
    height: 72px;
  }
  .brand-logo-img {
    height: 72px;
  }
  .site-header.scrolled .brand-logo-img {
    height: 58px;
  }
}

@media (max-width: 640px) {
  .site-header.scrolled {
    height: 68px;
  }
  .brand-logo-img {
    height: 58px;
  }
  .site-header.scrolled .brand-logo-img {
    height: 50px;
  }
}

@media (max-width: 420px) {
  .brand-logo-img {
    height: 50px;
  }
}

.brand-logo-link:hover .brand-logo-img {
  transform: scale(1.03);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  list-style: none;
}

.nav-link {
  color: #E2E8F0;
  font-weight: 600;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.5rem 0.2rem;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

@media (max-width: 1240px) {
  .nav-desktop {
    gap: 0.9rem;
  }
  .nav-link {
    font-size: 0.82rem;
    letter-spacing: 0.02em;
  }
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-purple-primary);
  box-shadow: 0 0 8px var(--color-purple-glow);
  transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
  color: #FFFFFF;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  color: #FFFFFF;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background: rgba(6, 10, 23, 0.98);
  backdrop-filter: blur(20px);
  padding: 2rem 1.5rem;
  flex-direction: column;
  gap: 1.5rem;
  border-top: 1px solid var(--color-border);
  z-index: 999;
  overflow-y: auto;
}

.mobile-drawer.open {
  display: flex;
}

.mobile-drawer .nav-link {
  font-size: 1.2rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border-subtle);
  display: block;
}

@media (max-width: 1024px) {
  .nav-desktop { display: none; }
  .mobile-toggle { display: flex; }
}

/* ==========================================================================
   2. BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-purple-primary) 0%, #7E4EC8 100%);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 15px var(--color-purple-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-purple-hover) 0%, #9468DB 100%);
  color: #FFFFFF;
  box-shadow: 0 6px 25px rgba(103, 60, 172, 0.65);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--color-bg-surface);
  color: #FFFFFF;
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-purple-subtle);
  border-color: var(--color-purple-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--color-purple-primary);
  background: rgba(107, 43, 255, 0.1);
  color: #FFFFFF;
}

.btn-accent {
  background: linear-gradient(135deg, #E11D48 0%, #BE123C 100%);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 15px rgba(225, 29, 72, 0.35);
}

.btn-accent:hover {
  background: linear-gradient(135deg, #F43F5E 0%, #E11D48 100%);
  color: #FFFFFF;
  box-shadow: 0 6px 20px rgba(225, 29, 72, 0.55);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-full {
  width: 100%;
}

/* ==========================================================================
   3. CARDS & CONTAINERS
   ========================================================================== */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

/* Surface-integrierte Kartenstile (WENIGER KÄSTEN / CARD-FLUT) */
.surface-neutral .card {
  background: rgba(13, 22, 48, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: none;
}

.surface-neutral .card:hover {
  border-color: rgba(126, 78, 200, 0.45);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.surface-brand-accent .card {
  background: rgba(12, 21, 56, 0.65);
  border: 1px solid rgba(103, 60, 172, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.surface-brand-accent .card:hover {
  border-color: rgba(148, 104, 219, 0.5);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
}

.card h3 {
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  line-height: 1.25;
  margin-bottom: 0.75rem;
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: auto;
}

.card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.card-step {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.step-num-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-purple-primary), var(--color-blue-loewen));
  color: #FFFFFF;
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  box-shadow: 0 0 15px var(--color-purple-glow);
}

.card-step h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.card-step p {
  font-size: 0.95rem;
  flex-grow: 1;
}

/* Teaser Cards */
.card-teaser {
  padding: 2.5rem;
  background: linear-gradient(145deg, rgba(15, 26, 60, 0.9) 0%, rgba(6, 10, 23, 0.9) 100%);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-teaser-header {
  margin-bottom: 1.5rem;
}

.card-teaser-header h3 {
  font-size: 1.6rem;
  margin-top: 0.5rem;
}

/* ==========================================================================
   4. BADGES & PILLS
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
}

.badge-purple {
  background: rgba(107, 43, 255, 0.2);
  color: #C084FC;
  border: 1px solid rgba(107, 43, 255, 0.4);
}

.badge-gold {
  background: rgba(245, 158, 11, 0.15);
  color: #FBBF24;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.badge-blue {
  background: rgba(0, 51, 204, 0.2);
  color: #60A5FA;
  border: 1px solid rgba(0, 51, 204, 0.4);
}

.badge-red {
  background: rgba(163, 0, 0, 0.2);
  color: #F87171;
  border: 1px solid rgba(163, 0, 0, 0.4);
}

/* ==========================================================================
   5. INFOBOXES
   ========================================================================== */
.infobox {
  background: rgba(15, 26, 60, 0.8);
  border-left: 4px solid var(--color-purple-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.infobox-icon {
  flex-shrink: 0;
  color: var(--color-purple-hover);
  margin-top: 2px;
}

.infobox-icon svg {
  width: 24px;
  height: 24px;
}

.infobox p {
  color: #E2E8F0;
  font-size: 0.95rem;
  margin: 0;
}

.infobox-rule {
  border-left-color: var(--color-gold);
  background: rgba(245, 158, 11, 0.08);
}

.infobox-rule .infobox-icon {
  color: var(--color-gold);
}

/* ==========================================================================
   6. FOOTER & PARTNERS
   ========================================================================== */
.site-footer {
  background: #03060E;
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 2rem 0;
  margin-top: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  font-size: 0.9rem;
  margin: 1rem 0 1.5rem 0;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1rem;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
  color: #FFFFFF;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

/* Partner Logos */
.partner-section {
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 2.5rem 0;
  margin-bottom: 2rem;
  text-align: center;
}

.partner-section h5 {
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--color-text-subtle);
  margin-bottom: 1.5rem;
}

.partner-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3.5rem;
  flex-wrap: wrap;
}

.partner-logo-item img {
  height: 42px;
  width: auto;
  opacity: 0.75;
  filter: grayscale(20%);
  transition: all var(--transition-normal);
}

.partner-logo-item:hover img {
  opacity: 1;
  filter: grayscale(0%);
  transform: scale(1.05);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-subtle);
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-legal-links a {
  color: var(--color-text-subtle);
}

.footer-legal-links a:hover {
  color: #FFFFFF;
}

@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 640px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ==========================================================================
   7. PROGRESSIVE DISCLOSURE / ACCORDION COMPONENTS
   ========================================================================== */
.disclosure-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  transition: all var(--transition-normal);
  position: relative;
}

.disclosure-card-compact {
  padding: 1.5rem 1.75rem;
}

.disclosure-card:hover {
  border-color: var(--color-border-hover);
}

.disclosure-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.disclosure-info h3 {
  font-size: 1.4rem;
  color: #FFFFFF;
  margin-top: 0.35rem;
  margin-bottom: 0.35rem;
}

.disclosure-info p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0;
}

.disclosure-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.disclosure-body {
  display: none;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-subtle);
  animation: fadeInDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.disclosure-body.open {
  display: block;
}

.disclosure-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.disclosure-toggle-btn svg {
  transition: transform var(--transition-normal);
}

.disclosure-toggle-btn[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .disclosure-card {
    padding: 1.5rem 1.25rem;
  }
  .disclosure-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .disclosure-actions {
    width: 100%;
    justify-content: stretch;
  }
  .disclosure-actions .btn {
    width: 100%;
  }
}