/* Hero Section */
.hero {
  height: 100vh;
  min-height: 600px;
  background-image: linear-gradient(rgba(26, 26, 26, 0.7), rgba(26, 26, 26, 0.9)), url('../assets/images/hero_bg.png');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-content {
  max-width: 800px;
  color: var(--clr-text-inverse);
}

.hero-subtitle {
  color: var(--clr-primary);
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.hero-title {
  font-size: 4rem;
  color: var(--clr-text-inverse);
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.hero-description {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
}

/* ─── About Section ─── */
.about-section {
  background-color: var(--clr-bg);
  color: var(--clr-text);
  border-bottom: 3px solid var(--clr-primary);
}

.about-section .section-title {
  color: var(--clr-bg-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-img-wrapper {
  position: relative;
}

.about-img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-img-wrapper::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--clr-primary);
  border-radius: var(--radius-md);
  z-index: 0;
}

.about-img {
  position: relative;
  z-index: 1;
}

.about-text h3 {
  font-family: var(--font-sans);
  color: var(--clr-primary);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.about-text p {
  color: var(--clr-text-light);
  margin-bottom: var(--spacing-md);
  font-size: 1.05rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.stat-item {
  text-align: center;
  padding: 1rem 0.5rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  background-color: var(--clr-bg-alt);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--clr-primary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--clr-text-light);
}

/* ─── Courses Section (Dark) ─── */
.courses-section {
  background-color: var(--clr-bg-dark);
  color: var(--clr-text-inverse);
}

.courses-section .section-title {
  color: var(--clr-text-inverse);
}

.courses-section .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.courses-section .container {
  max-width: 1440px;
  /* Expand container width specifically for the 4-column course grid */
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.course-card {
  background-color: var(--clr-bg-dark-alt);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212, 175, 55, 0.5);
}

.course-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.course-content {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.course-tag {
  display: inline-block;
  background-color: rgba(212, 175, 55, 0.15);
  color: var(--clr-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.5px;
}

.course-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--clr-text-inverse);
}

.course-desc {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
}

.course-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: auto;
}

.course-price {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--clr-primary);
}

/* ─── Testimonials Section (Warm Cream + Dark Cards) ─── */
.testimonials-section {
  background-color: #F5F0E6;
  color: var(--clr-text);
}

.testimonials-section .section-title {
  color: var(--clr-bg-dark);
}

.testimonials-section .section-subtitle {
  color: var(--clr-text-light);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial-card {
  background-color: var(--clr-bg-dark);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-left: 4px solid var(--clr-primary);
  position: relative;
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(26, 26, 26, 0.25);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  right: 20px;
  font-family: var(--font-serif);
  font-size: 4rem;
  color: rgba(212, 175, 55, 0.2);
  line-height: 1;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.author-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--clr-bg-dark);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.author-info h4 {
  font-size: 0.95rem;
  margin-bottom: 0;
  color: var(--clr-text-inverse);
  font-family: var(--font-sans);
}

.author-info p {
  font-size: 0.8rem;
  color: var(--clr-primary);
}

/* ─── Contact Section (Light - Contrast Break) ─── */
.contact-section {
  background-color: var(--clr-bg);
  border-top: 3px solid var(--clr-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-lg);
}

.contact-info-card {
  background-color: var(--clr-bg-dark);
  color: var(--clr-text-inverse);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border-top: 4px solid var(--clr-primary);
}

.contact-info-card h3 {
  color: var(--clr-primary);
  margin-bottom: var(--spacing-md);
}

.contact-detail {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.contact-form {
  background-color: var(--clr-bg-alt);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--clr-border);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  transition: var(--transition);
  background-color: var(--clr-bg);
}

.form-control:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* ─── Responsive ─── */
@media (max-width: 992px) {
  .hero-title {
    font-size: 3rem;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-img-wrapper::before {
    display: none;
  }

  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero {
    background-position: 56% center;
    min-height: 100dvh;
    height: auto;
    padding-top: 100px;
    padding-bottom: 50px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .courses-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── Skeleton Loader ─── */
.skeleton {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.05) 25%, rgba(255, 255, 255, 0.1) 50%, rgba(255, 255, 255, 0.05) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-img {
  width: 100%;
  height: 200px;
}

.skeleton-title {
  height: 1.5rem;
  width: 80%;
  margin-bottom: var(--spacing-sm);
}

.skeleton-text {
  height: 1rem;
  width: 100%;
  margin-bottom: 0.5rem;
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-tag {
  height: 1.25rem;
  width: 30%;
  margin-bottom: var(--spacing-sm);
}

.skeleton-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.skeleton-price {
  height: 1.5rem;
  width: 30%;
}

.skeleton-btn {
  height: 2rem;
  width: 40%;
}