/* ================================================
   PREMIUM DESIGN ENHANCEMENT - VLSIMinds
   Responsive | Google Ads Optimized | Modern UI
   ================================================ */

:root {
  --accent: #fb873f;
  --accent-dark: #e56a2b;
  --primary: #0f172a;
  --text-dark: #1e293b;
  --muted: #64748b;
  --light-bg: #f8fafc;
  --card-border: #e2e8f0;
}

/* Premium Section Spacing */
.container-xxl.py-5,
section {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

/* Better Headings */
h1, h2, .display-3 {
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--primary);
}

h5, .domain-title {
  font-weight: 700;
  color: var(--primary);
}

/* ==================== COURSE CARDS (Premium) ==================== */
.course-item {
  border: 1px solid var(--card-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: #fff;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.05);
}

.course-item:hover {
  transform: translateY(-12px);
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.15);
  border-color: var(--accent);
}

.course-item img {
  height: 190px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.course-item:hover img {
  transform: scale(1.08);
}

.course-item .p-3 {
  padding: 1.5rem !important;
}

.course-details {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--muted);
  margin: 1rem 0;
}

.course-item .btn-group {
  gap: 8px;
}

.course-item .btn {
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 18px;
  border-radius: 10px;
}

/* ==================== DOMAIN CARDS (Internship + Workshop) ==================== */
.domain-card {
  background: #fff;
  border: 1px solid #f1e7e0;
  border-radius: 18px;
  padding: 2rem 1.75rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.06);
}

.domain-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 25px -5px rgb(251 135 63 / 0.12);
  border-color: var(--accent);
}

.domain-card .card-image img {
  border-radius: 14px;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

.domain-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.domain-points {
  flex: 1;
  padding-left: 1.1rem;
  margin-bottom: 1.25rem;
}

.domain-points li {
  margin-bottom: 0.55rem;
  color: #475569;
  font-size: 0.95rem;
}

.domain-details {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.domain-details span {
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: 50px;
  background: #fef3e8;
  color: #9a3412;
  font-weight: 700;
}

.domain-card .btn {
  font-weight: 700;
  border-radius: 10px;
  padding: 12px 20px;
}

/* ==================== VIDEO CARDS ==================== */
.video-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  transition: all 0.4s ease;
  cursor: pointer;
  border: 1px solid var(--card-border);
}

.video-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.15);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.1);
}

.play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 68px;
  height: 68px;
  background: rgba(255,255,255,0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.2);
  z-index: 2;
  transition: all 0.3s ease;
}

.play-overlay i {
  color: var(--accent);
  font-size: 1.85rem;
  margin-left: 5px;
}

.video-card:hover .play-overlay {
  background: var(--accent);
  transform: translate(-50%, -50%) scale(1.1);
}

.video-card:hover .play-overlay i {
  color: white;
}

.video-info {
  padding: 1.35rem;
}

.video-info h5 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

/* ==================== BATCH SCROLLER (Marquee) ==================== */
.batch-scroller {
  background: linear-gradient(90deg, #fefce8 0%, #fef3e8 100%);
  border-top: 1px solid #fed7aa;
  border-bottom: 1px solid #fed7aa;
}

.batch-marquee {
  overflow: hidden;
}

.batch-track {
  display: flex;
  gap: 1.25rem;
  animation: marquee-slide 28s linear infinite;
  width: max-content;
  padding: 8px 0;
}

.batch-track:hover {
  animation-play-state: paused;
}

.batch-item {
  background: white;
  padding: 14px 26px;
  border-radius: 9999px;
  white-space: nowrap;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  font-size: 0.95rem;
  font-weight: 700;
  color: #9a3412;
  border: 1px solid #fed7aa;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

@keyframes marquee-slide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ==================== STATS SECTION ==================== */
.stat-item {
  text-align: center;
  padding: 1.5rem 1rem;
}

.stat-number {
  font-size: 3.1rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-top: 0.4rem;
}

/* ==================== DEMO FORM ==================== */
#demo-form .card {
  border-radius: 20px;
  border: none;
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.15);
}

#demo-form .form-control,
#demo-form .form-select {
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 1rem;
  border: 2px solid #e2e8f0;
}

#demo-form .form-control:focus,
#demo-form .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(251, 135, 63, 0.15);
}

/* ==================== GENERAL IMPROVEMENTS ==================== */
.shadow {
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.06), 0 4px 6px -4px rgb(0 0 0 / 0.06) !important;
}

.btn-primary {
  background-color: var(--accent) !important;
  border-color: var(--accent) !important;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.btn-primary:hover {
  background-color: var(--accent-dark) !important;
  border-color: var(--accent-dark) !important;
  transform: translateY(-2px);
}

.btn-outline-primary {
  color: var(--accent);
  border-color: var(--accent);
  font-weight: 700;
}

.btn-outline-primary:hover {
  background-color: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
  .stat-number { font-size: 2.4rem; }
  .domain-card { padding: 1.5rem 1.25rem; }
  .video-thumb { aspect-ratio: 16/10; }
  .batch-item { font-size: 0.85rem; padding: 10px 18px; }
}

/* Enhanced Testimonial Cards */
.testimonial-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    margin: 0 15px;
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.08);
    border-left: 5px solid #fb873f;
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.testimonial-card .quote-icon {
    font-size: 3.5rem;
    line-height: 1;
    color: #fb873f;
    opacity: 0.2;
    margin-bottom: 0.5rem;
}

.testimonial-card .testimonial-text {
    flex: 1;
    font-size: 1rem;
    color: #334155;
    line-height: 1.7;
}

.testimonial-card .testimonial-author {
    font-weight: 700;
    color: #1e293b;
}


/* ==================== PREMIUM FAQ ACCORDION ==================== */
.premium-accordion .accordion-item {
    border: 1px solid #e2e8f0;
    border-radius: 12px !important;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05);
}

.premium-accordion .accordion-button {
    font-weight: 600;
    font-size: 1.05rem;
    color: #1e293b;
    padding: 1.1rem 1.5rem;
    background-color: #fff;
}

.premium-accordion .accordion-button:not(.collapsed) {
    background-color: #fff7ed;
    color: #c2410f;
    box-shadow: none;
}

.premium-accordion .accordion-button:focus {
    box-shadow: none;
    border-color: #fb873f;
}

.premium-accordion .accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23fb873f'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.premium-accordion .accordion-body {
    padding: 1.25rem 1.75rem;
    color: #475569;
    font-size: 0.98rem;
    line-height: 1.7;
}