/* 
  Brand Colors:
  ---
  Primary: #14213C (dark blue)
  Secondary: #5AB94C (green)
*/


@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #14213C;
  --secondary: #5AB94C;
  --secondary-hover: #4ea342;

  --bg-color: #0c1424;
  --bg-card: #111827;
  --text-main: #ffffff;
  --text-muted: #94a3b8;

  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.15);
  --header-glass: rgba(20, 33, 60, 0.85);

  --bg-blobs: radial-gradient(circle at 10% 20%, rgba(90, 185, 76, 0.08), transparent 30%),
    radial-gradient(circle at 90% 80%, rgba(20, 33, 60, 0.5), transparent 30%);

  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;

  --transition: all 0.3s ease;
}

[data-theme="light"] {
  --bg-color: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #0f172a;
  --text-muted: #475569;

  --glass-bg: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(20, 33, 60, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(20, 33, 60, 0.08);
  --header-glass: rgba(248, 250, 252, 0.85);

  --bg-blobs: radial-gradient(circle at 10% 20%, rgba(90, 185, 76, 0.15), transparent 30%),
    radial-gradient(circle at 90% 80%, rgba(20, 33, 60, 0.1), transparent 30%);
}

* {
  box-sizing: border-box;
}

select option,
datalist option {
  background-color: var(--bg-card);
  color: var(--text-main);
}

body {
  margin: 0;
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-color);
  background-image: var(--bg-blobs);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease, opacity 0.4s ease;
  opacity: 0;
}

body.loaded {
  opacity: 1;
}

body.fade-out {
  opacity: 0;
}

/* Page Loader Wrapper */
#loader-wrapper {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background-color: var(--bg-color);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loader-wrapper.hidden {
  opacity: 0;
  visibility: hidden;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--glass-border);
  border-top-color: var(--secondary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: var(--transition);
}

h1,
h2,
h3,
h4,
h5 {
  margin: 0;
  font-weight: 600;
  color: var(--text-main);
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
header {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  background: transparent;
  padding: 24px 0;
  transition: all 0.4s ease;
}

header.scrolled {
  background: var(--header-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  padding: 16px 0;
  border-bottom: 1px solid var(--glass-border);
}

/* Pages with NO hero slider: header gets solid bg right away */
header.no-hero {
  background: var(--header-glass) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  padding: 16px 0;
}

header.no-hero~main,
header.no-hero+main {
  padding-top: 88px;
}

header.no-hero .nav-links a {
  color: var(--text-muted);
}

header.no-hero .nav-links a:hover,
header.no-hero .nav-links a.active {
  color: var(--text-main);
}

header.no-hero .nav-links .btn-glass {
  color: var(--text-main) !important;
}

header.no-hero .btn-theme-toggle {
  color: var(--text-main);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-logo {
  height: 40px;
  object-fit: contain;
  display: block;
  transition: 0.3s;
}

.footer-logo {
  height: 40px;
  object-fit: contain;
  display: block;
  transition: 0.3s;
}

header.scrolled .site-logo {
  transform: scale(0.95);
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

/* Theme-aware header colors */
.nav-links a {
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-main);
}

.nav-links .btn-glass {
  color: var(--text-main) !important;
}

.nav-links .btn-theme-toggle {
  color: var(--text-main);
}

/* Scrolled light mode: keep logo visible */
[data-theme="light"] .site-logo {
  filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.2)) invert(1) sepia(1) saturate(3) hue-rotate(90deg);
}

[data-theme="light"] header.scrolled .site-logo {
  transform: scale(0.95);
}

/* Mobile Bottom Nav System */
.mobile-bottom-nav {
  display: none;
}

@media (max-width: 768px) {
  .nav-links {
    display: none !important;
  }

  /* Hide traditional links on mobile */
  header.scrolled {
    padding: 16px 0;
  }

  .mobile-bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--header-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--glass-border);
    padding: 12px 0;
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
    z-index: 1000;
  }

  .mobile-bottom-nav a,
  .mobile-bottom-nav button {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    background: none;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
  }

  .mobile-bottom-nav a.active,
  .mobile-bottom-nav a:hover,
  .mobile-bottom-nav button.active,
  .mobile-bottom-nav button:hover {
    color: var(--secondary);
  }

  .mobile-bottom-nav svg {
    width: 22px;
    height: 22px;
  }

  /* Make room for bottom nav */
  body {
    padding-bottom: 70px;
  }
}

.btn-theme-toggle {
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 50%;
  transition: var(--transition);
}

.btn-theme-toggle:hover {
  background: var(--glass-bg);
}

[data-theme="light"] .sun-icon {
  display: none;
}

[data-theme="light"] .moon-icon {
  display: block;
}

[data-theme="dark"] .sun-icon {
  display: block;
}

[data-theme="dark"] .moon-icon {
  display: none;
}

:root:not([data-theme="light"]) .sun-icon {
  display: block;
}

:root:not([data-theme="light"]) .moon-icon {
  display: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--secondary);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(90, 185, 76, 0.4);
}

.btn-glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  backdrop-filter: blur(4px);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-secondary {
  background: linear-gradient(135deg, #5AB94C, #3d8a32);
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px rgba(90, 185, 76, 0.3);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #4ea342, #2e6926);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(90, 185, 76, 0.5);
}

/* Hero Slider Section */
.hero-slider-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
    background-color: transparent;
    margin-bottom: 60px;
}

.hero-slides-container {
    position: relative;
    width: 100%;
    min-height: 100vh;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.8s;
    display: flex;
    align-items: center;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
      radial-gradient(circle at 10% 20%, rgba(90, 185, 76, 0.08) 0%, transparent 40%),
      radial-gradient(circle at 90% 80%, rgba(20, 33, 60, 0.05) 0%, transparent 40%);
    z-index: -1;
    pointer-events: none;
}

.hero-slide-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-slide-content {
    flex: 1;
    max-width: 600px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
}

.hero-slide.active .hero-slide-content {
    opacity: 1;
    transform: translateY(0);
}

.hero-slide-image {
    flex: 1.2;
    position: relative;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.5s;
}

.hero-slide.active .hero-slide-image {
    opacity: 1;
    transform: translateX(0);
}

.hero-blob {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(90, 185, 76, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    top: 50%;
    left: 60%;
    transform: translate(-50%, -50%);
    filter: blur(60px);
    animation: pulseBlob 8s infinite alternate;
}

@keyframes pulseBlob {
    from { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    to { opacity: 0.8; transform: translate(-50%, -50%) scale(1.2); }
}

[data-theme="light"] .hero-blob {
    background: radial-gradient(circle, rgba(20, 33, 60, 0.05) 0%, transparent 70%);
}

.hero-img {
    width: 110%;
    max-width: none;
    height: auto;
    max-height: 85vh;
    filter: drop-shadow(0 30px 60px rgba(0,0,0,0.3));
    object-fit: contain;
    animation: floatImage 6s ease-in-out infinite;
    position: relative;
    right: -50px;
}

@keyframes floatImage {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-main);
}

.hero-title span {
    color: var(--secondary);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-subscribe {
    display: flex;
    position: relative;
    max-width: 480px;
    margin-bottom: 50px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 6px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.hero-subscribe-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 12px 24px;
    font-size: 1rem;
    color: var(--text-main);
    outline: none;
}

.hero-subscribe-input::placeholder {
    color: var(--text-muted);
}

.hero-subscribe-btn {
    border-radius: 50px;
    padding: 12px 32px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(20, 33, 60, 0.2);
    background-color: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.hero-subscribe-btn:hover {
    background-color: var(--secondary);
}

.hero-stats {
    display: flex;
    gap: 40px;
    align-items: center;
}

.hero-stat h3 {
    font-size: 2rem;
    color: var(--text-main);
    margin-bottom: 4px;
    font-weight: 700;
    transition: var(--transition);
}

.hero-stat p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin: 0;
    font-weight: 500;
}

/* Slider Controls */
.slider-nav {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--glass-border);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background: var(--secondary);
    width: 32px;
    border-radius: 10px;
}

@media (max-width: 992px) {
    .hero-slide-container {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
        padding-bottom: 40px;
        gap: 30px;
    }
    .hero-slide-content {
        max-width: 100%;
        transform: translateY(20px);
        order: 1;
    }
    .hero-slide-image {
        transform: translateY(20px);
        width: 100%;
        justify-content: center;
        order: 2;
        margin-top: -20px;
    }
    .hero-img {
        width: 80%;
        max-height: 45vh;
        right: 0;
    }
    .hero-subscribe {
        margin: 0 auto 40px;
        width: 100%;
    }
    .hero-stats {
        justify-content: center;
        gap: 30px;
    }
    .slider-nav {
        bottom: 20px;
    }
}

@media (max-width: 576px) {
    .hero-slide-container {
        padding-top: 100px;
        padding-bottom: 20px;
        gap: 20px;
    }
    .hero-title {
        font-size: 2.2rem;
        margin-bottom: 16px;
    }
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 30px;
        padding: 0 10px;
    }
    .hero-subscribe {
        flex-direction: column;
        background: transparent;
        border: none;
        box-shadow: none;
        gap: 12px;
        padding: 0;
    }
    .hero-subscribe-input {
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: 50px;
        padding: 14px 24px;
        width: 100%;
    }
    .hero-subscribe-btn {
        width: 100%;
        padding: 14px;
    }
    .hero-stats {
        gap: 15px;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }
    .hero-stat h3 {
        font-size: 1.4rem;
    }
    .hero-stat p {
        font-size: 0.8rem;
    }
    .hero-img {
        width: 100%;
        max-height: 35vh;
    }
    .hero-blob {
        width: 300px;
        height: 300px;
    }
}

.search-container {
  max-width: 500px;
  margin: 0 auto;
  position: relative;
}

.search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 16px 24px 16px 52px;
  border-radius: 50px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--secondary);
  background: var(--bg-color);
  box-shadow: 0 0 0 4px rgba(90, 185, 76, 0.1);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-title {
  font-size: 1.75rem;
}

.courses-header {
  padding: 60px 0 40px;
  text-align: center;
}

.courses-header .search-container {
  margin-bottom: 32px;
}

.filter-dropdown {
  padding: 12px 40px 12px 20px;
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  font-size: 0.95rem;
  appearance: none;
  outline: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  transition: var(--transition);
}

.filter-dropdown:focus {
  border-color: var(--secondary);
}

.filter-dropdown option {
  background-color: var(--bg-color);
  color: var(--text-main);
}

/* Courses Grid & Cards */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 64px;
}

.course-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  text-align: left;
  cursor: pointer;
  animation: fadeIn 0.5s ease backwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.course-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(90, 185, 76, 0.4);
  box-shadow: 0 16px 40px 0 rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .course-card:hover {
  box-shadow: 0 16px 40px 0 rgba(20, 33, 60, 0.12);
}

.card-img-wrap {
  position: relative;
  height: 200px;
  width: 100%;
  overflow: hidden;
}

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

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

.badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--header-glass);
  backdrop-filter: blur(4px);
  color: var(--text-main);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid var(--glass-border);
  z-index: 10;
}

.card-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
  line-height: 1.4;
  transition: color 0.3s;
}

.course-card:hover .card-title {
  color: var(--secondary);
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
  flex-grow: 1;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--glass-border);
}

.card-price {
  font-weight: 700;
  color: var(--secondary);
  font-size: 1.125rem;
}

.card-play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  z-index: 10;
}

.course-card:hover .card-play-overlay {
  opacity: 1;
}

.card-play-overlay svg {
  transform: scale(0.8);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.course-card:hover .card-play-overlay svg {
  transform: scale(1);
}

/* Skeletons */
.skeleton {
  background: var(--glass-border);
  background-image: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.06) 50%, rgba(255, 255, 255, 0) 100%);
  background-size: 200% 100%;
  animation: skeletonLoad 1.5s infinite;
  border-radius: var(--radius-sm);
}

[data-theme="light"] .skeleton {
  background-image: linear-gradient(90deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.04) 50%, rgba(0, 0, 0, 0) 100%);
}

@keyframes skeletonLoad {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.skeleton-text {
  height: 16px;
  margin-bottom: 10px;
  width: 100%;
}

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

/* --- PROFESSIONAL COURSE DETAILS PAGE --- */
.course-header-bg {
  background: var(--header-glass);
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 40px;
}

[data-theme="light"] .course-header-bg {
  background: var(--primary);
  color: #fff;
}

[data-theme="light"] .course-header-bg .course-hero-desc {
  color: #cbd5e1;
}

.course-header-content {
  max-width: 800px;
  margin: 0;
}

.mb-3 {
  margin-bottom: 16px;
}

.course-hero-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
  line-height: 1.2;
}

.course-hero-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.course-hero-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.course-layout {
  display: flex;
  gap: 32px;
  margin-bottom: 64px;
}

.course-main {
  flex: 1;
  min-width: 0;
}

.course-sidebar-wrapper {
  width: 380px;
  flex-shrink: 0;
}

.sidebar-card {
  position: sticky;
  top: 100px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  z-index: 10;
}

@media (max-width: 992px) {
  .course-layout {
    flex-direction: column-reverse;
  }

  .course-sidebar-wrapper {
    width: 100%;
  }

  .sidebar-card {
    position: static;
    margin-top: -60px;
  }

  .course-header-bg {
    padding-bottom: 100px;
  }
}

/* Sidebar Specifics */
.sidebar-img-wrap {
  position: relative;
  height: 220px;
}

.sidebar-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.play-overlay:hover {
  background: rgba(0, 0, 0, 0.5);
}

.play-overlay svg {
  width: 64px;
  height: 64px;
  fill: #fff;
}

.sidebar-content {
  padding: 32px;
}

.price-tag {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.sidebar-includes p {
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.sidebar-includes ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-includes li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  color: var(--text-muted);
}

.w-100 {
  width: 100%;
}

/* Main Content Tabs */
.course-tabs-container {
  padding: 32px;
  border-radius: var(--radius-lg);
}

.course-tabs {
  display: flex;
  gap: 32px;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 32px;
  overflow-x: auto;
  scrollbar-width: none;
}

.course-tabs::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0 0 16px 0;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  font-family: inherit;
  white-space: nowrap;
}

.tab-btn.active,
.tab-btn:hover {
  color: var(--secondary);
  border-bottom-color: var(--secondary);
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tab-content.active {
  display: block;
}

.tab-content h3 {
  font-size: 1.75rem;
  margin-bottom: 24px;
}

.tab-content p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
  font-size: 1.05rem;
}

/* Learning List */
.learning-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0;
}

@media (max-width: 768px) {
  .learning-list {
    grid-template-columns: 1fr;
  }
}

.learning-list li {
  padding-left: 28px;
  position: relative;
  color: var(--text-muted);
  line-height: 1.5;
}

.learning-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: bold;
  font-size: 1.1rem;
}

/* Curriculum Section */
.curriculum-section {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
}

.curriculum-title-bar {
  background: rgba(0, 0, 0, 0.15);
  padding: 16px 24px;
  margin: 0;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--glass-border);
}

[data-theme="light"] .curriculum-title-bar {
  background: rgba(255, 255, 255, 0.4);
}

.lecture-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.lecture-list li {
  padding: 16px 24px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
}

.lecture-list li:last-child {
  border-bottom: none;
}

/* Instructor Info */
.instructor-profile {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.instructor-avatar-large {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.instructor-role {
  color: var(--secondary);
  font-size: 1rem;
  display: block;
  margin-bottom: 16px;
  font-weight: 500;
}

/* Reviews Section */
.review-item {
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 24px;
  margin-bottom: 24px;
}

.review-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.review-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.reviewer-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
}

.stars {
  color: #f59e0b;
  letter-spacing: 2px;
}

/* Recommended Section */
.recommended-section {
  margin-top: 80px;
}

/* Pricing & Checkout */
.pricing-table-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .checkout-split-layout {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 768px) {
  .pricing-table-layout {
    grid-template-columns: 1fr;
  }
}

.pricing-card {
  padding: 40px;
  border-radius: var(--radius-lg);
  position: relative;
  text-align: left;
}

.pricing-card.highlight {
  border-color: var(--secondary);
  box-shadow: 0 0 30px rgba(90, 185, 76, 0.15);
}

.pricing-card .price {
  font-size: 3rem;
  font-weight: 700;
  margin: 16px 0 24px;
}

.pricing-card .price span {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.provider-radio {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}

[data-theme="light"] .provider-radio {
  background: rgba(0, 0, 0, 0.05);
}

.provider-radio:hover {
  border-color: var(--secondary);
}

footer {
  text-align: center;
  padding: 32px 0;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 40px;
}

/* Type Selector & Cart Upsells */
.type-selector-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 700px;
  margin: 0 auto 48px;
}

@media (max-width: 600px) {
  .type-selector-layout {
    grid-template-columns: 1fr;
  }
}

.type-card {
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.type-card:hover {
  background: rgba(255, 255, 255, 0.08);
}

.type-card.active {
  border-color: var(--secondary);
  background: rgba(90, 185, 76, 0.05);
}

.type-card svg {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  color: var(--text-muted);
  transition: var(--transition);
}

.type-card.active svg {
  color: var(--secondary);
  transform: scale(1.1);
}

.cart-item-row {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--glass-border);
}

.cart-item-row:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.upsell-trigger-btn {
  width: 100%;
  border: 1px dashed var(--glass-border);
  padding: 16px;
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s;
  display: block;
  font-weight: 500;
}

[data-theme="light"] .upsell-trigger-btn {
  background: rgba(0, 0, 0, 0.02);
}

.upsell-trigger-btn:hover {
  border-color: var(--secondary);
  color: var(--text-main);
}

.upsell-dropdown {
  background: var(--bg-color);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  padding: 16px;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  margin-top: -4px;
  z-index: 50;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.upsell-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.2s;
}

.upsell-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.upsell-item.selected {
  background: rgba(90, 185, 76, 0.1);
  border: 1px solid var(--secondary);
}

/* --- New Homepage Layout & Footer Components --- */

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 40px;
}

.about-badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  padding: 24px 32px;
  border-radius: var(--radius-md);
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .about-badge {
    bottom: -16px;
    right: 16px;
    padding: 16px 24px;
  }

  .about-content {
    padding-top: 24px;
  }

  .hero-buttons {
    justify-content: center;
  }
}

/* Impact Section */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-top: 40px;
}

.impact-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 32px 16px;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.impact-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.impact-card h3 {
  font-size: 3.5rem;
  color: var(--secondary);
  margin-bottom: 8px;
  line-height: 1;
}

.impact-card p {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
}

/* Modern Footer */
.modern-footer {
  background: var(--bg-card);
  padding: 80px 0 24px;
  border-top: 1px solid var(--glass-border);
  position: relative;
  z-index: 10;
  margin-top: 0;
}

.modern-footer p,
.modern-footer h4,
.modern-footer ul {
  text-align: left;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--text-muted);
  line-height: 1.8;
  margin: 24px 0;
  max-width: 320px;
  font-size: 0.95rem;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.3s;
  border: 1px solid var(--glass-border);
}

.social-link:hover {
  color: white;
  background: var(--secondary);
  border-color: var(--secondary);
  transform: translateY(-3px);
}

.footer-links h4 {
  font-size: 1.25rem;
  margin-bottom: 24px;
  color: var(--text-main);
  font-weight: 600;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--secondary);
  transform: translateX(5px);
  display: inline-block;
}

.footer-newsletter h4 {
  font-size: 1.25rem;
  margin-bottom: 16px;
  color: var(--text-main);
  font-weight: 600;
}

.footer-newsletter p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.newsletter-input-group {
  display: flex;
  gap: 8px;
}

.newsletter-input-group input {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 14px 16px;
  border-radius: 8px;
  color: var(--text-main);
  width: 100%;
  outline: none;
  transition: var(--transition);
}

.newsletter-input-group input:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(90, 185, 76, 0.2);
}

.newsletter-input-group button {
  padding: 0 24px;
  border-radius: 8px;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-bottom p {
  text-align: center !important;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .modern-footer p,
  .modern-footer h4,
  .modern-footer ul {
    text-align: left;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .modern-footer p,
  .modern-footer h4,
  .modern-footer ul {
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }

  .footer-links a {
    display: inline-block;
  }

  .footer-links a:hover {
    transform: translateY(-3px);
  }
}

/* --- Custom Notification System --- */
#xir-toast-container {
  position: fixed;
  top: 30px;
  right: 30px;
  z-index: 100000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.xir-toast {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  color: var(--text-main);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 320px;
  max-width: 450px;
  transform: translateX(120%);
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s;
  pointer-events: all;
  border-left: 4px solid var(--secondary);
  opacity: 0;
}

.xir-toast.show {
  transform: translateX(0);
  opacity: 1;
}

.xir-toast.error {
  border-left-color: #ef4444;
}

.xir-toast.info {
  border-left-color: #3b82f6;
}

.toast-icon-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.85rem;
}

.success .toast-icon-circle {
  background: rgba(90, 185, 76, 0.15);
  color: var(--secondary);
}

.error .toast-icon-circle {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.info .toast-icon-circle {
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
}

.toast-content {
  flex: 1;
}

.toast-title {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.toast-message {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* --- Custom Centered Alert Modal System --- */
.xir-alert-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  z-index: 200000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: xirFadeIn 0.3s ease;
}

.xir-alert-box {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  width: 100%;
  max-width: 440px;
  text-align: center;
  box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.5);
  animation: xirScaleIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.xir-alert-icon {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  border: 4px solid currentColor;
}

.xir-alert-icon.success {
  color: var(--secondary);
  background: rgba(90, 185, 76, 0.1);
}

.xir-alert-icon.error {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

.xir-alert-icon.warning {
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.1);
}

.xir-alert-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: block;
  color: var(--text-main);
}

.xir-alert-message {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 32px;
  display: block;
}

.xir-alert-btn {
  min-width: 140px;
  padding: 14px 32px;
  font-size: 1.1rem;
}

/* --- Full-Page Payment Processing Overlay --- */
.pay-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-color);
  z-index: 210000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
  animation: xirFadeIn 0.3s ease;
}

.pay-overlay-box {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  padding: 40px;
  border-radius: var(--radius-lg);
  max-width: 450px;
  box-shadow: var(--glass-shadow);
}

@keyframes xirFadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes xirScaleIn {
  from {
    transform: scale(0.7);
    opacity: 0;
  }

  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* --- Video Preview Modal --- */
.video-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 300000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.video-modal-overlay.open {
  display: flex;
  animation: xirFadeIn 0.3s ease;
}

.video-modal-box {
  width: 100%;
  max-width: 900px;
  aspect-ratio: 16/9;
  background: #000;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.video-modal-close {
  position: absolute;
  top: -50px;
  right: 0;
  color: #fff;
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  padding: 10px;
}

.video-modal-box iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Udemy Style Badges */
.udemy-badge {
    padding: 3px 8px;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 2px;
    display: inline-block;
    white-space: nowrap;
}
.udemy-badge.bestseller {
    background: #eceb98;
    color: #3d3c0a;
}
.udemy-badge.hot-new {
    background: #ffdede;
    color: #5c0000;
}
[data-theme="dark"] .udemy-badge.bestseller {
    background: #b6b553;
    color: #1a1a00;
}
[data-theme="dark"] .udemy-badge.hot-new {
    background: #8f3434;
    color: #ffe6e6;
}

/* Fix Card Background */
[data-theme="light"] .course-card {
    background: #ffffff;
    border: 1px solid #d1d7dc;
    box-shadow: none;
    border-radius: var(--radius-md);
}
[data-theme="light"] .course-card:hover {
    border: 1px solid #1c1d1f;
    box-shadow: none;
    transform: none;
}
[data-theme="light"] .course-card.glass-panel {
    background: #ffffff;
    backdrop-filter: none;
}
/* Premium Sidebar Styling */
.premium-sidebar {
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    color: #f8fafc;
    border-radius: var(--radius-lg);
    overflow: hidden;
}
[data-theme="light"] .premium-sidebar {
    background: linear-gradient(145deg, #f8fafc, #ffffff);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
    color: #1e293b;
}
.premium-sidebar .sidebar-includes p {
    color: inherit !important;
}
.premium-sidebar .sidebar-includes li {
    color: rgba(255, 255, 255, 0.7);
}
[data-theme="light"] .premium-sidebar .sidebar-includes li {
    color: rgba(0, 0, 0, 0.6);
}
.guarantee-text {
    background: rgba(90, 185, 76, 0.15);
    color: #22c55e;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
    border: 1px solid rgba(90, 185, 76, 0.3);
}