/* Premium Hero */
.premium-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 7rem 0 4rem;
}

.premium-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.premium-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.premium-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 94, 255, 0.75) 100%);
}

.premium-hero .container {
  position: relative;
  z-index: 2;
}

.premium-hero__content {
  color: #fff;
  max-width: 640px;
}

.premium-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.6s ease;
}

.premium-hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 1.25rem;
  animation: fadeUp 0.6s ease 0.1s backwards;
}

.premium-hero__subtitle {
  font-size: 1.1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  animation: fadeUp 0.6s ease 0.2s backwards;
}

.premium-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.6s ease 0.3s backwards;
}

.premium-hero__actions .btn-primary {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
  padding: 0.75rem 2rem;
  font-weight: 600;
}

.premium-hero__actions .btn-primary:hover {
  background: var(--primary-light);
  color: var(--primary-hover);
  transform: translateY(-2px);
}

.premium-hero__actions .btn-outline-light {
  border-width: 2px;
  padding: 0.75rem 2rem;
  font-weight: 600;
}

.premium-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  animation: fadeUp 0.6s ease 0.4s backwards;
}

.premium-hero__stat strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
}

.premium-hero__stat span {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.premium-hero__visual {
  position: relative;
  animation: fadeUp 0.8s ease 0.3s backwards;
}

.premium-hero__card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
  margin-bottom: 1rem;
}

.premium-hero__card img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
}

.premium-hero__image-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.25);
  border: 4px solid rgba(255, 255, 255, 0.2);
}

.premium-hero__image-main img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.premium-hero__float-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-hover);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: float 3s ease-in-out infinite;
}

.premium-hero__float-card .icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Navbar on hero */
.navbar-custom.navbar-hero {
  background: transparent;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
}

.navbar-custom.navbar-hero .navbar-brand,
.navbar-custom.navbar-hero .nav-link {
  color: rgba(255, 255, 255, 0.9);
}

.navbar-custom.navbar-hero .nav-link:hover,
.navbar-custom.navbar-hero .nav-link.active {
  color: #fff;
}

.navbar-custom.navbar-hero.scrolled {
  position: fixed;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  padding: 0.75rem 0;
}

.navbar-custom.navbar-hero.scrolled .navbar-brand,
.navbar-custom.navbar-hero.scrolled .nav-link {
  color: var(--text-body);
}

.navbar-custom.navbar-hero.scrolled .nav-link:hover,
.navbar-custom.navbar-hero.scrolled .nav-link.active {
  color: var(--primary);
}

.navbar-custom.navbar-hero .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.5);
}

.navbar-custom.navbar-hero.scrolled .navbar-toggler {
  border-color: var(--border);
}

/* Footer Azryno */
.footer-azryno {
  padding: 1rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 1rem;
  text-align: center;
}

.navbar-custom.navbar-hero .navbar-toggler-icon {
  filter: invert(1);
}

.navbar-custom.navbar-hero.scrolled .navbar-toggler-icon {
  filter: none;
}

.footer-azryno span {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-azryno strong {
  color: #93C5FD;
  font-weight: 600;
}

/* About Instructor */
.instructor-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.instructor-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.instructor-qualifications {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.instructor-qualifications li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  color: var(--text-body);
}

.instructor-qualifications li i {
  color: var(--primary);
}

.subjects-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.subjects-tags span {
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
}

/* Class Schedule Grid */
.class-day-card {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  border-top: 4px solid var(--primary);
  transition: transform var(--transition);
}

.class-day-card:hover {
  transform: translateY(-4px);
}

.class-day-card .day-name {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.class-day-card .class-name {
  font-weight: 600;
  color: var(--text-heading);
  margin-top: 0.5rem;
  font-size: 1rem;
}

/* Carousel */
#testimonialCarousel .carousel-control-prev,
#testimonialCarousel .carousel-control-next {
  width: 44px;
  height: 44px;
  background: var(--primary);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 1;
}

#testimonialCarousel .carousel-control-prev { left: -22px; }
#testimonialCarousel .carousel-control-next { right: -22px; }

@media (max-width: 768px) {
  #testimonialCarousel .carousel-control-prev,
  #testimonialCarousel .carousel-control-next { display: none; }
}

#testimonialCarousel .carousel-indicators {
  margin-bottom: -2rem;
}

#testimonialCarousel .carousel-indicators button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--primary);
}

/* Section label */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary);
  margin-bottom: 0.75rem;
}
