/* Tipps Resource Center Styles */

.tipps-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: calc(100vh - var(--nav-h));
  padding-top: var(--nav-h);
  background: var(--cream);
}

/* Sticky Sidebar */
.tipps-sidebar {
  border-right: 1px solid var(--border);
  padding: 3rem 2rem;
  position: sticky;
  top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  background: rgba(245, 243, 238, 0.5);
}

.tipps-sidebar-title {
  font-family: var(--M);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 2rem;
}

.tipps-filter-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tipps-filter-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-family: var(--B);
  font-weight: 500;
  font-size: 0.95rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tipps-filter-btn:hover {
  background: rgba(11, 14, 26, 0.04);
  color: var(--ink);
}

.tipps-filter-btn.active {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}

/* Grid Area */
.tipps-content {
  padding: 4rem clamp(1.5rem, 5vw, 4rem);
}

.tipps-header {
  margin-bottom: 3rem;
}

.tipps-header h1 {
  font-family: var(--H);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.tipps-count {
  color: var(--muted);
  font-size: 0.9rem;
}

.tipps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

/* Modern Card */
.tipp-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.tipp-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(11, 14, 26, 0.06);
  border-color: rgba(29, 186, 110, 0.4);
}

.tipp-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.tipp-card:hover::before {
  transform: scaleX(1);
}

.tipp-icon {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  background: var(--cream);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
}

.tipp-icon img {
  width: 42px;
  height: 42px;
  display: block;
  object-fit: contain;
}

.tipp-category {
  font-family: var(--M);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.tipp-title {
  font-family: var(--H);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--ink);
}

.tipp-excerpt {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tipp-footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
}

.tipp-read-more {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--green);
  transition: gap 0.2s;
}

.tipp-card:hover .tipp-read-more {
  gap: 0.8rem;
}

/* Fullscreen Modal */
.tipp-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(245, 243, 238, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 2rem;
}

.tipp-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.tipp-modal-content {
  background: var(--white);
  border-radius: 24px;
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 30px 80px rgba(11, 14, 26, 0.12);
  transform: translateY(20px) scale(0.98);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.tipp-modal.open .tipp-modal-content {
  transform: translateY(0) scale(1);
}

.tipp-modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--cream);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
}

.tipp-modal-close:hover {
  background: var(--ink);
  color: var(--white);
  transform: rotate(90deg);
}

.tipp-modal-hero {
  padding: 4rem 4rem 3rem;
  border-bottom: 1px solid var(--border);
  background: var(--cream);
}

.tipp-modal-body {
  padding: 3rem 4rem 4rem;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ink2);
}

.tipp-modal-body strong {
  color: var(--ink);
}

.tipp-action-box {
  margin-top: 3rem;
  padding: 2rem;
  background: rgba(29, 186, 110, 0.08);
  border-left: 4px solid var(--green);
  border-radius: 0 12px 12px 0;
}

.tipp-action-box h4 {
  font-family: var(--H);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

/* ========================================
   EXPANDABLE CARD ANIMATION SYSTEM
   Framer-Motion inspired transitions
   ======================================== */

/* Backdrop overlay */
.tipp-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(245, 243, 238, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.tipp-modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

/* Expandable Card Container */
.tipp-expandable-card {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 2rem;
  padding-top: 6rem;
}

.tipp-expandable-card.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Expanded Card Content */
.tipp-expandable-content {
  width: 100%;
  max-width: 850px;
  max-height: calc(100vh - 8rem);
  overflow-y: auto;
  background: var(--white);
  border-radius: 24px;
  box-shadow: 0 30px 80px rgba(11, 14, 26, 0.12);
  
  /* Animation states */
  transform: translateY(30px) scale(0.96);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.4s ease;
}

.tipp-expandable-card.active .tipp-expandable-content {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* Hide scrollbar but keep functionality */
.tipp-expandable-content {
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.tipp-expandable-content::-webkit-scrollbar {
  display: none;
}

/* Image section in expanded view */
.tipp-expandable-image {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.tipp-expandable-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to top, var(--white), transparent);
  pointer-events: none;
}

.tipp-expandable-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Content area */
.tipp-expandable-body {
  padding: 2rem 3rem 4rem;
  position: relative;
}

/* Header with title and close button */
.tipp-expandable-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 2rem;
}

.tipp-expandable-info {
  flex: 1;
}

.tipp-expandable-category {
  font-family: var(--M);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.tipp-expandable-title {
  font-family: var(--H);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
  margin: 0;
}

/* Close button */
.tipp-expandable-close {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
}

.tipp-expandable-close:hover {
  background: var(--ink);
  color: var(--white);
  transform: rotate(90deg);
}

.tipp-expandable-close svg {
  transition: transform 0.3s ease;
}

.tipp-expandable-card.active .tipp-expandable-close svg {
  transform: rotate(45deg);
}

/* Body text */
.tipp-expandable-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ink2);
}

.tipp-expandable-text strong {
  color: var(--ink);
}

/* Action box */
.tipp-expandable-action {
  margin-top: 2.5rem;
  padding: 1.5rem 2rem;
  background: rgba(29, 186, 110, 0.08);
  border-left: 4px solid var(--green);
  border-radius: 0 12px 12px 0;
}

.tipp-expandable-action h4 {
  font-family: var(--H);
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

/* ========================================
   CARD HOVER ENHANCEMENTS
   ======================================== */

.tipp-card {
  /* Ensure proper stacking */
  transform: translateY(0);
  will-change: transform;
}

.tipp-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--r);
  opacity: 0;
  background: radial-gradient(circle at center, rgba(29, 186, 110, 0.1) 0%, transparent 70%);
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.tipp-card:hover::after {
  opacity: 1;
}

/* Icon pulse animation */
.tipp-icon {
  position: relative;
  overflow: hidden;
}

.tipp-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(29, 186, 110, 0.2) 0%, transparent 70%);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.tipp-card:hover .tipp-icon::before {
  opacity: 1;
  transform: scale(1);
}

/* Staggered entrance animation */
@keyframes cardSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tipp-card {
  animation: cardSlideIn 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  opacity: 0;
}

/* Individual stagger delays handled in JS */

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 900px) {
  .tipp-expandable-card {
    padding: 1rem;
    padding-top: 4rem;
    align-items: flex-start;
  }
  
  .tipp-expandable-content {
    max-height: calc(100vh - 6rem);
    border-radius: 20px;
  }
  
  .tipp-expandable-image {
    height: 200px;
  }
  
  .tipp-expandable-body {
    padding: 1.5rem 2rem 2rem;
  }
  
  .tipp-expandable-header {
    flex-direction: column;
    gap: 1rem;
  }
  
  .tipp-expandable-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
  }
}

@media (max-width: 600px) {
  .tipp-expandable-card {
    padding: 0;
  }
  
  .tipp-expandable-content {
    max-height: 100vh;
    border-radius: 0;
    height: 100%;
  }
  
  .tipp-expandable-action {
    padding: 1rem 1.5rem;
  }
}