/* Card Component */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card.highlighted {
  border-color: var(--color-accent-warm);
  border-width: 2px;
  animation: pulse 2s ease-in-out;
}

@keyframes pulse {
  0%, 100% { border-color: var(--color-accent-warm); }
  50% { border-color: var(--color-accent-warm-dark); }
}

/* Button Component */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  border: none;
  text-decoration: none;
}

.btn:hover {
  opacity: 0.9;
  transform: scale(1.02);
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-accent-warm);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent-cold);
  border: 2px solid var(--color-accent-cold);
}

.btn-text {
  background: transparent;
  color: var(--color-accent-warm);
  padding: 0;
}

/* Accordion Component */
.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.accordion-trigger:hover {
  color: var(--color-accent-warm);
}

.accordion-trigger .chevron {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
}

.accordion-trigger[aria-expanded="true"] .chevron {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base) ease;
}

.accordion-content.open {
  max-height: 2000px; /* Large enough for content */
  padding-bottom: var(--space-md);
}

/* Navigation */
.global-header {
  position: sticky;
  top: 0;
  background: rgba(250, 250, 248, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-sticky);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
}

.nav-links a {
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--color-accent-warm);
  text-decoration: none;
}

.nav-links .nav-lang {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-links .lang-sep {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

.nav-links a[aria-current="page"] {
  color: var(--color-accent-warm);
  position: relative;
}

.nav-links a[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent-warm);
}

/* Logo */
.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-cold);
  text-decoration: none;
}

.logo:hover {
  opacity: 0.8;
  text-decoration: none;
}