/* ============================================
   APPLE-INSPIRED COMPONENTS
   Every element designed with purpose
   ============================================ */

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: var(--space-12) var(--space-24);
  /* Ensure minimum tap target on mobile */
  min-height: 44px;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  font-family: var(--font-sans);
  text-decoration: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  /* Better touch feedback */
  -webkit-tap-highlight-color: transparent;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: scale(1.02);
  color: white;
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: white;
  transform: scale(1.02);
}

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

.btn-tertiary {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text);
}

.btn-tertiary:hover {
  background-color: var(--color-bg-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
  color: var(--color-text);
}

.btn-tertiary:active {
  transform: translateY(0);
}

.btn-lg {
  padding: var(--space-16) var(--space-32);
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: var(--space-8) var(--space-20);
  font-size: var(--font-size-sm);
}

/* ============================================
   CARDS
   ============================================ */

.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-48);
  transition: all var(--transition-slow);
  position: relative;
  /* Better touch feedback */
  -webkit-tap-highlight-color: transparent;
}

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

/* Touch feedback for mobile */
@media (hover: none) and (pointer: coarse) {
  .card:active {
    transform: scale(0.98);
    transition: transform 0.1s var(--ease-out);
  }
}

.card__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-12);
  letter-spacing: -0.01em;
}

.card__description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-24);
}

.card__meta {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

/* ============================================
   TAGS/BADGES
   ============================================ */

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-6) var(--space-16);
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.tag:hover {
  background-color: var(--color-bg-tertiary);
  transform: translateY(-1px);
}

.tag-primary {
  background-color: rgba(0, 113, 227, 0.1);
  color: var(--color-primary);
  border-color: rgba(0, 113, 227, 0.2);
}

[data-theme="dark"] .tag-primary {
  background-color: rgba(41, 151, 255, 0.15);
  color: var(--color-primary);
  border-color: rgba(41, 151, 255, 0.25);
}

/* ============================================
   DIVIDER
   ============================================ */

.divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--space-64) 0;
  border: none;
}

/* ============================================
   LINKS WITH ICONS
   ============================================ */

.link-icon {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.link-icon:hover {
  color: var(--color-primary-dark);
  transform: translateX(2px);
}

.link-icon svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.link-icon:hover svg {
  transform: translateX(2px);
}

/* ============================================
   SOCIAL LINKS
   ============================================ */

.social-links {
  display: flex;
  gap: var(--space-16);
  align-items: center;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.social-link:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.social-link:active {
  transform: translateY(0);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

.grid {
  display: grid;
  gap: var(--space-32);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   SECTION HEADER
   ============================================ */

.section-header {
  text-align: center;
  margin-bottom: var(--space-96);
  max-width: var(--max-width-narrow);
  margin-left: auto;
  margin-right: auto;
}

.section-header__title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-20);
  color: var(--color-text);
  letter-spacing: -0.025em;
}

.section-header__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

@media (max-width: 768px) {
  .section-header {
    margin-bottom: var(--space-64);
  }
  
  .section-header__title {
    font-size: var(--font-size-4xl);
  }
  
  .section-header__subtitle {
    font-size: var(--font-size-lg);
  }
}

/* ============================================
   INFO LIST
   ============================================ */

.info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-16);
}

.info-item__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.info-item__content {
  flex: 1;
}

.info-item__label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-base);
}

.info-item__value {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
}

/* ============================================
   ALERT/NOTICE BOX
   ============================================ */

.alert {
  padding: var(--space-20) var(--space-24);
  border-radius: var(--radius-lg);
  border-left: 3px solid;
  margin-bottom: var(--space-32);
  background-color: var(--color-bg-secondary);
}

.alert-info {
  border-color: var(--color-primary);
  background-color: rgba(0, 113, 227, 0.05);
}

[data-theme="dark"] .alert-info {
  background-color: rgba(41, 151, 255, 0.08);
}

.alert p {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.alert strong {
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

/* ============================================
   SVG ICONS
   ============================================ */

.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  fill: currentColor;
  vertical-align: middle;
}

.icon-sm {
  width: 16px;
  height: 16px;
}

.icon-md {
  width: 20px;
  height: 20px;
}

.icon-lg {
  width: 24px;
  height: 24px;
}

/* ============================================
   GLASS CARD (Special Effect)
   ============================================ */

.glass-card {
  background-color: var(--color-bg-elevated);
  backdrop-filter: saturate(180%) blur(var(--blur-md));
  -webkit-backdrop-filter: saturate(180%) blur(var(--blur-md));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-48);
  transition: all var(--transition-slow);
}

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