@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg-canvas: #0B0F19;
  --bg-surface: #161F33;
  --bg-surface-glass: rgba(22, 31, 51, 0.75);
  --primary: #6366F1;
  --primary-hover: #4F46E5;
  --primary-glow: rgba(99, 102, 241, 0.25);
  --secondary: #06B6D4;
  --secondary-hover: #0891B2;
  --secondary-glow: rgba(6, 182, 212, 0.25);
  --text-heading: #F8FAFC;
  --text-body: #94A3B8;
  --border: #1E293B;
  --border-glow: rgba(99, 102, 241, 0.4);
  --success: #10B981;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-width: 1280px;
  --header-height: 80px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-body);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-canvas);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 5px;
  border: 2px solid var(--bg-canvas);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Global Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section-padding {
  padding: 7rem 0;
}

.text-gradient {
  background: linear-gradient(135deg, var(--text-heading) 30%, var(--primary) 70%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--primary);
  color: var(--text-heading);
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-heading);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-heading);
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--text-heading);
  box-shadow: 0 4px 20px var(--secondary-glow);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--secondary-glow), 0 0 12px var(--primary-glow);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 9999px;
  border: 1px solid var(--border-glow);
  background: rgba(99, 102, 241, 0.1);
  color: var(--secondary);
  font-family: var(--font-mono);
}

/* Frosted glass cards */
.glass-card {
  background: var(--bg-surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 1px 1px var(--primary-glow);
  transform: translateY(-4px);
}

/* Announcement Bar */
.announcement-bar {
  background: linear-gradient(90deg, #4F46E5 0%, #06B6D4 50%, #4F46E5 100%);
  color: var(--text-heading);
  text-align: center;
  padding: 0.6rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  z-index: 100;
}

/* Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text-heading);
}

.logo-icon {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-body);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-heading);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-heading);
  margin: 5px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 8rem 0 6rem;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.05) 50%, transparent 100%);
  z-index: -1;
  filter: blur(80px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 4rem;
  align-items: center;
}

.hero-tagline {
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-body);
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.student-avatars {
  display: flex;
  align-items: center;
}

.student-avatar-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--bg-canvas);
  margin-left: -10px;
}

.student-avatar-img:first-child {
  margin-left: 0;
}

.social-proof-text {
  font-size: 0.85rem;
  color: var(--text-body);
}

.social-proof-text strong {
  color: var(--text-heading);
}

.hero-media {
  position: relative;
}

.hero-preview-box {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.7) 0%, rgba(15, 23, 42, 0.9) 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 20px rgba(99, 102, 241, 0.1);
  position: relative;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
}

.window-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #334155;
}

.dot-red { background: #EF4444; }
.dot-yellow { background: #F59E0B; }
.dot-green { background: #10B981; }

.window-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-body);
}

.preview-content {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
}

.preview-img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

.preview-overlay-card {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: rgba(11, 15, 25, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glow);
  padding: 1rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.preview-label-group {
  display: flex;
  flex-direction: column;
}

.preview-label-sub {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.preview-label-title {
  font-size: 0.9rem;
  color: var(--text-heading);
  font-weight: 600;
}

/* Tech Stack Logo Ticker */
.tech-stack {
  background: #0E1424;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 0;
}

.tech-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.tech-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-body);
  font-family: var(--font-mono);
}

.tech-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  width: 100%;
  gap: 2rem;
}

.tech-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  filter: grayscale(1) opacity(0.6);
  transition: all 0.3s;
}

.tech-logo:hover {
  filter: grayscale(0) opacity(1);
}

.tech-logo img {
  height: 28px;
}

.tech-logo span {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--text-heading);
  font-size: 1.1rem;
}

/* Curriculum Section */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-subtitle {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.section-main-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-body);
}

.curriculum-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-surface-glass);
  overflow: hidden;
  transition: all 0.3s;
}

.accordion-header {
  padding: 1.75rem 2.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  background: none;
  width: 100%;
  border: none;
  text-align: left;
}

.accordion-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.accordion-num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--secondary);
  font-weight: 700;
}

.accordion-title-container {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.accordion-title {
  font-size: 1.25rem;
  color: var(--text-heading);
  font-weight: 700;
}

.accordion-duration {
  font-size: 0.8rem;
  color: var(--text-body);
  font-family: var(--font-mono);
}

.accordion-icon-box {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-heading);
  transition: all 0.3s;
}

.accordion-icon {
  transition: transform 0.3s;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  border-top: 0px solid var(--border);
}

.accordion-content-inner {
  padding: 2.25rem;
  background: rgba(11, 15, 25, 0.4);
}

.accordion-content-inner h4 {
  font-size: 0.95rem;
  text-transform: uppercase;
  color: var(--text-heading);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.curriculum-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.curriculum-list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.curriculum-bullet {
  color: var(--secondary);
  margin-top: 0.2rem;
}

.curriculum-list-text {
  font-size: 0.95rem;
  color: var(--text-body);
}

.accordion-item.active {
  border-color: var(--border-glow);
  box-shadow: 0 4px 20px var(--primary-glow);
}

.accordion-item.active .accordion-icon-box {
  background: var(--primary);
  border-color: var(--primary);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-item.active .accordion-content {
  border-top: 1px solid var(--border);
}

/* Hands-on Showcase */
.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.showcase-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.showcase-left h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.showcase-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.showcase-feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.showcase-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid var(--secondary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  flex-shrink: 0;
}

.showcase-feature-title {
  font-size: 1.1rem;
  color: var(--text-heading);
  margin-bottom: 0.25rem;
}

.showcase-feature-desc {
  font-size: 0.95rem;
  color: var(--text-body);
}

/* Interactive Project View Sandbox style */
.showcase-sandbox {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.sandbox-nav {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: #0E1424;
}

.sandbox-tab {
  flex: 1;
  padding: 1rem;
  background: none;
  border: none;
  color: var(--text-body);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  border-right: 1px solid var(--border);
  transition: all 0.3s;
}

.sandbox-tab.active {
  background: var(--bg-surface);
  color: var(--secondary);
  border-bottom: 2px solid var(--secondary);
}

.sandbox-body {
  padding: 2rem;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sandbox-code-preview {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: #0B0F19;
  border: 1px solid var(--border);
  padding: 1.25rem;
  border-radius: 8px;
  color: var(--text-heading);
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.sandbox-code-preview span.keyword { color: #F472B6; }
.sandbox-code-preview span.string { color: #34D399; }
.sandbox-code-preview span.comment { color: #64748B; }

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

.sandbox-status-text {
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px var(--success);
}

/* Pricing Grid */
.pricing-toggle-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-bottom: 4rem;
}

.pricing-label {
  font-weight: 600;
  font-size: 0.95rem;
}

.pricing-label.active {
  color: var(--secondary);
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border);
  transition: .4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 4px;
  bottom: 4px;
  background-color: var(--text-heading);
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--primary);
}

input:checked + .slider:before {
  transform: translateX(24px);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  max-width: 960px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.pricing-card-badge {
  position: absolute;
  top: -14px;
  right: 24px;
}

.pricing-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 2rem;
  margin-bottom: 2rem;
}

.pricing-title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.pricing-desc {
  font-size: 0.95rem;
  color: var(--text-body);
}

.pricing-price-box {
  margin-top: 1.5rem;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-heading);
  display: flex;
  align-items: baseline;
}

.pricing-period {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-body);
  margin-left: 0.5rem;
}

.pricing-features-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.pricing-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.pricing-check {
  color: var(--secondary);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.pricing-btn-wrap {
  width: 100%;
}

.pricing-btn-wrap .btn {
  width: 100%;
}

/* Instructor Section */
.instructor-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.instructor-content h3 {
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
}

.instructor-title {
  font-size: 1rem;
  color: var(--secondary);
  font-family: var(--font-mono);
  margin-bottom: 1.5rem;
  display: block;
}

.instructor-text {
  font-size: 1.05rem;
  color: var(--text-body);
  margin-bottom: 1.5rem;
}

.instructor-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-heading);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-body);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.instructor-image-container {
  position: relative;
}

.instructor-image-container:before {
  content: "";
  position: absolute;
  top: -10px;
  left: -10px;
  right: 10px;
  bottom: 10px;
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  z-index: -1;
}

.instructor-image {
  border-radius: 12px;
  width: 100%;
  object-fit: cover;
  border: 1px solid var(--border);
}

/* Reviews / Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-text {
  font-size: 1rem;
  font-style: italic;
  color: var(--text-body);
  margin-bottom: 2rem;
  position: relative;
}

.testimonial-text:before {
  content: "“";
  font-size: 4rem;
  font-family: Georgia, serif;
  color: var(--border-glow);
  position: absolute;
  top: -1.5rem;
  left: -1rem;
  z-index: -1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}

.author-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-heading);
}

.author-title {
  font-size: 0.8rem;
  color: var(--text-body);
}

/* FAQ Accordion */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-surface-glass);
  overflow: hidden;
  transition: all 0.3s;
}

.faq-header {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  background: none;
  width: 100%;
  border: none;
  text-align: left;
}

.faq-question {
  font-size: 1.1rem;
  color: var(--text-heading);
  font-weight: 600;
}

.faq-icon-box {
  color: var(--text-body);
  transition: transform 0.3s;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-content-inner {
  padding: 0 2rem 1.5rem;
  color: var(--text-body);
  font-size: 0.95rem;
}

.faq-item.active {
  border-color: var(--border-glow);
}

.faq-item.active .faq-icon-box {
  transform: rotate(45deg);
  color: var(--secondary);
}

/* Enrollment CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, #161F33 0%, #0B0F19 100%);
  border: 1px solid var(--border-glow);
  border-radius: 20px;
  padding: 4.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.cta-banner-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
  filter: blur(50px);
  z-index: 0;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.cta-desc {
  font-size: 1.15rem;
  color: var(--text-body);
  margin-bottom: 2.5rem;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: #080B12;
  border-top: 1px solid var(--border);
  padding: 5rem 0 2.5rem;
  color: var(--text-body);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text-heading);
}

.footer-desc {
  font-size: 0.95rem;
}

.footer-contact {
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-heading);
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9rem;
}

.footer-link:hover {
  color: var(--text-heading);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.85rem;
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.last-updated {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--secondary);
}

/* Interactive Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  left: 2rem;
  max-width: 500px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  box-shadow: 0 20px 45px rgba(0,0,0,0.6);
  border-radius: 12px;
  padding: 2rem;
  z-index: 1000;
  display: none;
  flex-direction: column;
  gap: 1.5rem;
  backdrop-filter: blur(12px);
}

@media(min-width: 768px) {
  .cookie-banner {
    left: auto;
  }
}

.cookie-text {
  font-size: 0.9rem;
  color: var(--text-body);
}

.cookie-text strong {
  color: var(--text-heading);
}

.cookie-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

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

.cookie-option label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-heading);
}

.cookie-actions {
  display: flex;
  gap: 1rem;
}

.cookie-actions .btn {
  flex: 1;
  padding: 0.6rem;
  font-size: 0.85rem;
}

/* Curriculum Detail Page Custom Styles */
.detail-grid {
  display: grid;
  grid-template-columns: 2.3fr 1.7fr;
  gap: 4rem;
  margin-top: 3rem;
}

.detail-module-card {
  margin-bottom: 3rem;
}

.detail-module-card h3 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.detail-lectures {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.lecture-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(22, 31, 51, 0.4);
}

.lecture-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lecture-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--secondary);
}

.lecture-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-heading);
}

.lecture-badge {
  background: rgba(99,102,241,0.1);
  color: var(--primary);
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.lecture-duration {
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

/* Sidebar Checkout Card */
.checkout-card {
  position: sticky;
  top: 120px;
}

.checkout-heading {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.checkout-bullets {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.checkout-bullet-item {
  display: flex;
  gap: 0.75rem;
  font-size: 0.9rem;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-heading);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all 0.3s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}

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

/* Student Dashboard Styles */
.dashboard-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: calc(100vh - var(--header-height));
}

.dashboard-sidebar {
  border-right: 1px solid var(--border);
  background: #0E1424;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.db-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.db-nav-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-body);
  transition: all 0.25s;
}

.db-nav-link:hover, .db-nav-link.active {
  background: rgba(99, 102, 241, 0.1);
  color: var(--text-heading);
}

.db-nav-link svg {
  width: 20px;
  height: 20px;
}

.db-user-section {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.db-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-glow);
}

.db-user-info {
  display: flex;
  flex-direction: column;
}

.db-user-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-heading);
}

.db-user-role {
  font-size: 0.75rem;
  color: var(--secondary);
  font-family: var(--font-mono);
}

.dashboard-main {
  padding: 3rem;
  overflow-y: auto;
}

.db-welcome {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
}

.db-welcome h1 {
  font-size: 2.25rem;
}

.db-progress-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 1.5rem 2rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.db-progress-text {
  display: flex;
  flex-direction: column;
}

.db-progress-label {
  font-size: 0.8rem;
  color: var(--text-body);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.db-progress-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-heading);
}

.progress-track {
  flex-grow: 1;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  width: 65%;
  border-radius: 4px;
}

.db-grid {
  display: grid;
  grid-template-columns: 1.8fr 1.2fr;
  gap: 2.5rem;
}

.video-player-container {
  background: #000;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9;
  margin-bottom: 2rem;
}

.video-element-placeholder {
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(22, 31, 51, 0.8) 0%, rgba(11, 15, 25, 0.95) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.video-play-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-heading);
  box-shadow: 0 0 30px var(--primary-glow);
  transition: all 0.3s;
}

.video-play-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 40px var(--primary-glow), 0 0 10px var(--secondary-glow);
}

.video-controls-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.85) 0%, transparent 100%);
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.db-section-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.lessons-list-sidebar {
  background: var(--bg-surface-glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.lessons-scroll-area {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 500px;
  overflow-y: auto;
}

.lesson-nav-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-radius: 8px;
  background: rgba(11, 15, 25, 0.3);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.25s;
}

.lesson-nav-item:hover, .lesson-nav-item.active {
  background: rgba(99, 102, 241, 0.08);
  border-color: var(--border-glow);
}

.lesson-nav-item.active {
  border-color: var(--primary);
}

.lesson-nav-left {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.lesson-checkbox {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.lesson-checkbox.completed {
  background: var(--success);
  border-color: var(--success);
  color: var(--text-heading);
}

.lesson-nav-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-heading);
}

.lesson-nav-duration {
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

/* legal terms page specifics */
.legal-container {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content {
  background: var(--bg-surface-glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3rem;
  color: var(--text-body);
}

.legal-content h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.legal-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--secondary);
  margin-bottom: 2.5rem;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

.legal-content p {
  margin-bottom: 1.25rem;
}

.legal-content ul {
  list-style: disc;
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.legal-content li {
  margin-bottom: 0.5rem;
}

/* Contact Info Box */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

.contact-card-info {
  background: var(--bg-surface-glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  height: fit-content;
}

.contact-info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-info-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-heading);
  margin-bottom: 0.25rem;
}

/* Sitemap elements */
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.sitemap-column h3 {
  font-size: 1.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}

.sitemap-column ul {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.sitemap-column a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sitemap-column a:hover {
  color: var(--secondary);
}

/* Active Simulator Screens */
.video-active-screen {
  position: absolute;
  inset: 0;
  background: #080C14;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 1.5rem 0.5rem;
}

.slide-view {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.simulator-slide {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  animation: slideFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-header {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--secondary);
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 0.5rem;
}

.slide-body {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

/* Diagram Nodes (Slide 1) */
.stack-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.diagram-node {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  text-align: center;
  min-width: 130px;
}

.diagram-node.featured {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--primary);
}

.node-tag {
  display: block;
  font-size: 0.65rem;
  color: var(--secondary);
  font-family: var(--font-mono);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.node-title {
  font-size: 0.85rem;
  color: var(--text-heading);
  font-weight: 700;
}

.diagram-connector {
  font-family: var(--font-mono);
  color: var(--text-body);
  font-weight: bold;
}

/* Prompt Grid (Slide 2) */
.prompt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  width: 100%;
  max-width: 520px;
}

.prompt-box {
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.75rem;
  border: 1px solid var(--border);
}

.prompt-box.bad {
  background: rgba(239, 68, 68, 0.05);
  border-color: rgba(239, 68, 68, 0.2);
}

.prompt-box.good {
  background: rgba(16, 185, 129, 0.05);
  border-color: rgba(16, 185, 129, 0.2);
}

.prompt-box h5 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.prompt-box.bad h5 { color: #EF4444; }
.prompt-box.good h5 { color: #10B981; }

.prompt-box p {
  color: var(--text-heading);
  font-family: var(--font-mono);
}

/* Style Row (Slide 3) */
.style-row {
  display: flex;
  gap: 1.5rem;
}

.profile-card {
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid var(--border);
  padding: 1rem;
  border-radius: 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.profile-avatar-mock {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--border);
}

.profile-avatar-mock.cyan {
  background: radial-gradient(circle, var(--secondary) 0%, transparent 80%);
  box-shadow: 0 0 15px var(--secondary-glow);
}

.profile-avatar-mock.indigo {
  background: radial-gradient(circle, var(--primary) 0%, transparent 80%);
  box-shadow: 0 0 15px var(--primary-glow);
}

.profile-avatar-mock.pink {
  background: radial-gradient(circle, #F472B6 0%, transparent 80%);
  box-shadow: 0 0 15px rgba(244, 114, 182, 0.2);
}

.profile-card span {
  font-size: 0.75rem;
  color: var(--text-body);
  font-family: var(--font-mono);
}

/* Grid Renders (Slide 4) */
.grid-render {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  width: 100%;
  max-width: 450px;
}

.render-box {
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  border-radius: 8px;
  overflow: hidden;
}

.render-header {
  background: rgba(30, 41, 59, 0.4);
  padding: 0.4rem 0.6rem;
  display: flex;
  gap: 4px;
}

.r-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
}

.render-content {
  padding: 1.5rem 1rem;
  text-align: center;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-heading);
}

/* Pipeline Flow (Slide 5) */
.pipeline-flow {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.pipeline-bubble {
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border);
  padding: 0.6rem 1rem;
  border-radius: 30px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-body);
}

.pipeline-bubble.active {
  border-color: var(--secondary);
  background: rgba(6, 182, 212, 0.1);
  color: var(--text-heading);
  box-shadow: 0 0 12px var(--secondary-glow);
}

.pipeline-arrow {
  font-family: var(--font-mono);
  color: var(--border);
}

/* Checklist (Slide 6) */
.handoff-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-heading);
}

.check-box {
  color: var(--success);
  font-weight: bold;
}

/* Playback Controls and Timeline */
.video-timeline-bar {
  height: 4px;
  background: rgba(255,255,255,0.1);
  width: 100%;
  position: relative;
  cursor: pointer;
  margin-top: auto;
  border-radius: 2px;
  overflow: hidden;
}

.timeline-played {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  width: 0%;
  transition: width 0.1s linear;
}

.controls-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.control-action-btn {
  background: var(--primary);
  border: none;
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.control-action-btn:hover {
  background: var(--primary-hover);
  transform: scale(1.05);
}

/* Responsive Rules */
@media (max-width: 1200px) {
  .hero-title {
    font-size: 3.25rem;
  }
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-media {
    max-width: 600px;
    margin: 0 auto;
  }
  
  .showcase-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 550px;
  }
  
  .instructor-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .instructor-image-container {
    max-width: 400px;
    margin: 0 auto;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 550px;
    margin: 0 auto;
  }
  
  .footer-top {
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
  }
  
  .detail-grid {
    grid-template-columns: 1fr;
  }
  
  .dashboard-layout {
    grid-template-columns: 1fr;
  }
  
  .dashboard-sidebar {
    display: none;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .header-container {
    position: relative;
  }
  
  .nav-links {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-canvas);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    display: none;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-main-title {
    font-size: 2rem;
  }
  
  .accordion-header {
    padding: 1.5rem;
  }
  
  .curriculum-list {
    grid-template-columns: 1fr;
  }
  
  .cta-banner {
    padding: 2.5rem;
  }
  
  .cta-title {
    font-size: 2.25rem;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
  }
  
  .db-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.1rem;
  }
  
  .hero-ctas {
    flex-direction: column;
  }
  
  .hero-ctas .btn {
    width: 100%;
  }
  
  .sitemap-grid {
    grid-template-columns: 1fr;
  }
}