/* ============================================
   LPU Programs Section — Premium Orange Theme
   ============================================ */

.lpu-prog {
  --primary-orange: #F97316;
  --dark-orange: #EA580C;
  --white: #FFFFFF;
  --light-gray: #F8FAFC;
  --section-gray: #F1F5F9;
  --dark-text: #1E293B;
  --gray-text: #64748B;
  --font-primary: 'Inter', sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.05);
  --transition: all 0.3s ease;

  font-family: var(--font-primary);
  background: linear-gradient(180deg, var(--white) 0%, var(--section-gray) 100%);
  padding: 80px 20px;
  width: 100%;
  overflow-x: hidden;
}

.lpu-prog * { 
  box-sizing: border-box; 
  margin: 0;
  padding: 0;
}

.lpu-prog-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}


/* ---------- Heading ---------- */
.lpu-prog-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
  padding: 0 20px;
}

.lpu-prog-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--dark-text);
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  position: relative;
  display: inline-block;
}

.lpu-prog-title::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin: 14px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary-orange), var(--dark-orange));
}

.lpu-prog-subtitle {
  font-size: clamp(14px, 1.2vw, 16px);
  color: var(--gray-text);
  line-height: 1.6;
  margin: 0;
}

/* ---------- Filter Tabs ---------- */
.lpu-filter-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto 48px;
  padding: 0 20px;
  width: 100%;
}

.lpu-filter-row {
  display: inline-flex;
  gap: 6px;
  background: var(--white);
  padding: 6px;
  border-radius: 999px;
  box-shadow: var(--shadow-md), inset 0 0 0 1px rgba(15, 23, 42, 0.05);
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  max-width: 100%;
}

.lpu-filter-row::-webkit-scrollbar {
  display: none;
}

.lpu-filter-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 12px 24px;
  border-radius: 999px;
  font-family: var(--font-primary);
  font-size: clamp(13px, 1vw, 14.5px);
  font-weight: 600;
  color: var(--gray-text);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.3;
  white-space: nowrap;
  min-width: fit-content;
}

.lpu-filter-btn span {
  font-size: clamp(10px, 0.8vw, 11px);
  font-weight: 500;
  color: inherit;
  opacity: 0.65;
  margin-top: 2px;
}

.lpu-filter-btn:hover {
  color: var(--dark-orange);
}

.lpu-filter-btn.active {
  background: linear-gradient(135deg, var(--primary-orange), var(--dark-orange));
  color: var(--white);
  box-shadow: 0 6px 16px rgba(234, 88, 12, 0.35);
}

.lpu-filter-btn.active span {
  color: var(--white);
  opacity: 0.85;
}

/* ---------- Grid ---------- */
.lpu-prog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
  padding: 0;
  margin: 0;
  width: 100%;
}

/* ---------- Card ---------- */
.lpu-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(15, 23, 42, 0.06);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  opacity: 1;
  transform: scale(1);
  height: 100%;
  min-height: 380px;
}

.lpu-card.lpu-hide {
    display: none !important;
}

.lpu-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), 0 20px 30px -10px rgba(234, 88, 12, 0.15);
  border-color: rgba(249, 115, 22, 0.25);
}

.lpu-card-img {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--light-gray);
  overflow: hidden;
  flex-shrink: 0;
}

.lpu-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.lpu-card:hover .lpu-card-img img {
  transform: scale(1.08);
}

.lpu-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(30,41,59,0.35) 100%);
}

/* Fallback (no image) state */
.lpu-card-img.lpu-img-fallback,
.lpu-card-img.lpu-img-fallback::after {
  background: linear-gradient(135deg, #FFF7ED, #FFEDD5);
  content: none;
}

.lpu-fallback-icon {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 46px;
  color: var(--primary-orange);
  opacity: 0.75;
}

/* ---------- Card Body ---------- */
.lpu-card-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.lpu-card-toprow {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.lpu-card-toprow h3 {
  font-size: clamp(18px, 1.4vw, 20px);
  font-weight: 700;
  color: var(--dark-text);
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.3;
  flex: 1;
}

.lpu-badge {
  flex-shrink: 0;
  background: #FFF1E6;
  color: var(--dark-orange);
  font-size: clamp(10px, 0.8vw, 11.5px);
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 999px;
  white-space: nowrap;
  margin-top: 2px;
}

.lpu-card-sub {
  font-size: clamp(13px, 1vw, 14px);
  color: var(--gray-text);
  margin: 0 0 16px;
  line-height: 1.5;
  flex-grow: 1;
}

.lpu-card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: clamp(12px, 0.9vw, 13.5px);
  color: var(--gray-text);
  font-weight: 500;
  margin-bottom: 20px;
  padding-top: 14px;
  border-top: 1px dashed rgba(100, 116, 139, 0.25);
  flex-wrap: wrap;
}

/* ---------- Apply Button ---------- */
.lpu-apply-btn {
  margin-top: auto;
  width: 100%;
  border: none;
  cursor: pointer;
  padding: 13px 18px;
  border-radius: 12px;
  font-family: var(--font-primary);
  font-size: clamp(13px, 1vw, 14.5px);
  font-weight: 700;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary-orange), var(--dark-orange));
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.lpu-apply-btn::after {
  content: "→";
  margin-left: 8px;
  display: inline-block;
  transition: var(--transition);
}

.lpu-apply-btn:hover {
  box-shadow: 0 10px 20px -6px rgba(234, 88, 12, 0.5);
  transform: translateY(-2px);
}

.lpu-apply-btn:hover::after {
  transform: translateX(4px);
}

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

/* ---------- Empty state ---------- */
.lpu-empty-msg {
  display: none;
  text-align: center;
  color: var(--gray-text);
  font-size: 15px;
  font-style: italic;
  padding: 60px 20px;
  grid-column: 1 / -1;
}

.lpu-empty-msg.lpu-show {
  display: block;
}

/* ---------- Responsive Design ---------- */

/* Large Screens (1200px+) */
@media (min-width: 1200px) {
  .lpu-prog-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
  }
  
  .lpu-prog-container {
    padding: 0 30px;
  }
}

/* Medium Screens (992px - 1199px) */
@media (max-width: 1199px) and (min-width: 992px) {
  .lpu-prog-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
  }
}

/* Small Laptops / Tablets (768px - 991px) */
@media (max-width: 991px) and (min-width: 768px) {
  .lpu-prog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  
  .lpu-prog {
    padding: 60px 16px;
  }
  
  .lpu-filter-btn {
    padding: 10px 18px;
  }
}

/* Tablets (576px - 767px) */
@media (max-width: 767px) and (min-width: 576px) {
  .lpu-prog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .lpu-prog {
    padding: 50px 14px;
  }
  
  .lpu-filter-row {
    padding: 4px;
    gap: 4px;
  }
  
  .lpu-filter-btn {
    padding: 8px 14px;
    font-size: 12px;
  }
  
  .lpu-card {
    min-height: 340px;
  }
}

/* Mobile (320px - 575px) */
@media (max-width: 575px) {
  .lpu-prog {
    padding: 40px 10px;
  }
  
  .lpu-prog-container {
    padding: 0 10px;
  }
  
  .lpu-prog-head {
    margin: 0 auto 32px;
    padding: 0 10px;
  }
  
  .lpu-prog-title {
    font-size: 24px;
  }
  
  .lpu-filter-wrapper {
    margin: 0 auto 32px;
    padding: 0 10px;
  }
  
  .lpu-filter-row {
    display: flex;
    width: 100%;
    max-width: 100%;
    border-radius: 16px;
    padding: 4px;
    gap: 4px;
    justify-content: stretch;
  }
  
  .lpu-filter-btn {
    flex: 1;
    padding: 8px 6px;
    font-size: 11px;
    min-width: 0;
    border-radius: 12px;
  }
  
  .lpu-filter-btn span {
    font-size: 9px;
    margin-top: 1px;
  }
  
  .lpu-prog-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 0 4px;
  }
  
  .lpu-card {
    min-height: 320px;
  }
  
  .lpu-card-body {
    padding: 16px 16px 18px;
  }
  
  .lpu-card-toprow h3 {
    font-size: 17px;
  }
  
  .lpu-card-sub {
    font-size: 13px;
    margin-bottom: 12px;
  }
  
  .lpu-card-meta {
    font-size: 12px;
    gap: 10px;
    margin-bottom: 14px;
    padding-top: 10px;
  }
  
  .lpu-apply-btn {
    padding: 11px 14px;
    font-size: 13px;
    border-radius: 10px;
  }
  
  .lpu-badge {
    font-size: 10px;
    padding: 3px 8px;
  }
}

/* Very Small Mobile (320px and below) */
@media (max-width: 360px) {
  .lpu-prog {
    padding: 30px 6px;
  }
  
  .lpu-filter-btn {
    padding: 6px 4px;
    font-size: 10px;
  }
  
  .lpu-filter-btn span {
    font-size: 8px;
  }
  
  .lpu-card {
    min-height: 280px;
  }
  
  .lpu-card-body {
    padding: 12px 12px 14px;
  }
  
  .lpu-card-toprow h3 {
    font-size: 15px;
  }
}

/* ---------- Accessibility & Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .lpu-card, 
  .lpu-card-img img, 
  .lpu-apply-btn, 
  .lpu-filter-btn {
    transition: none !important;
    transform: none !important;
  }
  
  .lpu-card:hover {
    transform: none !important;
  }
  
  .lpu-apply-btn:hover {
    transform: none !important;
  }
}

/* Print Styles */
@media print {
  .lpu-prog {
    padding: 20px;
    background: white;
  }
  
  .lpu-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
  
  .lpu-apply-btn {
    background: #333 !important;
    color: white !important;
  }
}