:root {
  --bg-primary: #0a0f1a;
  --bg-secondary: #131b2e;
  --bg-tertiary: #1a2440;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-primary: #38bdf8;
  --accent-secondary: #818cf8;
  --accent-tertiary: #a855f7;
  --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #a855f7 100%);
  --accent-gradient-soft: linear-gradient(135deg, rgba(56, 189, 248, 0.15) 0%, rgba(129, 140, 248, 0.15) 100%);
  --card-bg: rgba(26, 36, 64, 0.6);
  --border-color: rgba(148, 163, 184, 0.15);
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --font-heading: "Outfit", sans-serif;
  --font-body: "Inter", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

.highlight {
  color: var(--accent-primary);
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Header */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 15, 26, 0.9);
  backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

.logo a {
  color: var(--text-primary);
}

.logo a:hover {
  color: var(--accent-primary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width 0.3s ease;
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  position: relative;
  transition: background 0.3s ease;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  left: 0;
  transition: transform 0.3s ease;
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

.mobile-menu-btn.active .hamburger {
  background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
  transform: rotate(45deg) translate(5px, 6px);
}

.mobile-menu-btn.active .hamburger::after {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
  gap: 4rem;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--accent-gradient-soft);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
}

.hero-content h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-content > p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.cta-button {
  display: inline-block;
  padding: 0.8rem 2rem;
  background: var(--accent-gradient);
  color: white;
  border-radius: 50px;
  font-weight: 600;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.3);
}

.secondary-button {
  display: inline-block;
  padding: 0.8rem 2rem;
  background: transparent;
  border: 1px solid var(--text-secondary);
  color: var(--text-primary);
  border-radius: 50px;
  font-weight: 600;
}

.secondary-button:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(56, 189, 248, 0.1);
}

.hero-visual {
  flex: 1;
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Workshop Modules Section */
.modules-section {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.module-card {
  position: relative;
  display: block;
  padding: 2rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: all 0.3s ease;
  overflow: hidden;
  z-index: 1;
}

.module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.module-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.module-card:hover::before {
  opacity: 1;
}

.module-card.featured {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
  border-color: rgba(168, 85, 247, 0.3);
}

.module-number {
  position: absolute;
  top: -15px;
  right: -15px;
  font-size: 5rem;
  font-weight: 700;
  color: var(--accent-primary);
  opacity: 0.15;
  z-index: 0;
  line-height: 1;
}

.module-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 2;
}

.module-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 2;
}

.module-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.module-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-primary);
  transition: transform 0.3s ease;
  display: inline-block;
}

.module-card:hover .module-link {
  transform: translateX(5px);
}

/* Abstract Card Stack Visual */
.card-stack {
  position: relative;
  width: 300px;
  height: 400px;
}

.card {
  position: absolute;
  width: 100%;
  height: 350px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transform: rotate(-5deg);
  top: 20px;
  left: 20px;
  z-index: 1;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: rotate(-5deg) translateY(0); }
  50% { transform: rotate(-5deg) translateY(-10px); }
}

.card-header {
  background: var(--bg-tertiary);
  padding: 12px;
  display: flex;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red {
  background: #ef4444;
}
.dot.yellow {
  background: #eab308;
}
.dot.green {
  background: #22c55e;
}

.card-body {
  padding: 20px;
}

.line {
  height: 10px;
  background: var(--bg-primary);
  margin-bottom: 10px;
  border-radius: 4px;
}
.l1 {
  width: 80%;
}
.l2 {
  width: 60%;
}
.img-placeholder {
  margin-top: 20px;
  height: 150px;
  background: linear-gradient(to bottom, #2a384e, #1e293b);
  border-radius: 8px;
}

/* Feature/Intro Section */
.feature-section {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.intro-text {
  text-align: center;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 3rem;
  font-size: 1.1rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.feature-card {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-secondary);
}

.icon-wrapper {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Dark BG helper */
.dark-bg {
  background: var(--bg-primary);
}

/* Steps Section */
.step-section {
  padding: 6rem 2rem;
  background: var(--bg-primary);
}

.steps-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.step-item {
  display: flex;
  gap: 2rem;
  padding: 2rem;
  background: var(--bg-secondary);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.step-item:hover,
.step-item.active {
  border-color: var(--accent-primary);
  background: rgba(30, 41, 59, 0.6);
}

.step-number {
  font-size: 3rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.1);
  font-family: var(--font-heading);
  line-height: 1;
}

.step-content h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.step-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.text-link {
  color: var(--accent-primary);
  text-decoration: underline;
}

ol {
  margin-left: 1.5rem;
  color: var(--text-secondary);
}

ol li {
  margin-bottom: 0.5rem;
}

/* Tour Section */
.ui-tour-section {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
}

.tour-layout {
  display: flex;
  gap: 4rem;
  align-items: center;
}

.tour-text {
  flex: 1;
}

.tour-visual {
  flex: 1;
}

.feature-list {
  list-style: none;
  margin-top: 1.5rem;
}

.feature-list li {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
}

.feature-list li::before {
  content: "•";
  color: var(--accent-primary);
  position: absolute;
  left: 0;
  font-size: 1.5rem;
  line-height: 1;
}

.mock-browser {
  background: #0f172a;
  border-radius: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.browser-header {
  background: #1e293b;
  padding: 12px;
  display: flex;
  gap: 8px;
}

.placeholder-ui {
  background: #0f172a;
  height: 300px;
  display: flex;
}

.ui-sidebar {
  width: 60px;
  border-right: 1px solid var(--border-color);
  background: #1e293b;
}

.ui-main {
  flex: 1;
  padding: 20px;
}

.ui-block-hero {
  height: 100px;
  background: #334155;
  border-radius: 8px;
  margin-bottom: 15px;
}

.ui-block-text {
  height: 10px;
  width: 80%;
  background: #334155;
  border-radius: 4px;
  margin-bottom: 8px;
}

.ui-block-text:nth-child(3) {
  width: 60%;
}

.ui-block-map {
  height: 120px;
  background: linear-gradient(45deg, #1e293b, #334155);
  border-radius: 8px;
  margin-top: 20px;
}

/* Integration/Grid */
.integration-section {
  padding: 6rem 2rem;
}

.intro-text {
  text-align: center;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
}

.integration-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.integration-card {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--border-color);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.cta-box {
  text-align: center;
  background: linear-gradient(
    135deg,
    rgba(56, 189, 248, 0.1),
    rgba(129, 140, 248, 0.1)
  );
  padding: 3rem;
  border-radius: 16px;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.primary-btn {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 1rem 3rem;
  background: var(--accent-gradient);
  color: white;
  border-radius: 50px;
  font-weight: 700;
  transition: transform 0.2s;
}

.primary-btn:hover {
  transform: scale(1.05);
}

/* Footer */
footer {
  padding: 3rem 2rem;
  background: #050810;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-nav h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-nav a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: var(--accent-primary);
}

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

/* Tablet - 2x2 grid */
@media (max-width: 1024px) {
  .modules-grid,
  .feature-grid,
  .integration-grid,
  .resource-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .hero-section {
    flex-direction: column;
    padding-top: 8rem;
    text-align: center;
    min-height: auto;
  }

  .hero-content h1 {
    font-size: 2.25rem;
  }

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

  .hero-visual {
    display: none;
  }

  .tour-layout {
    flex-direction: column;
  }

  .mobile-menu-btn {
    display: block;
  }

  .process-timeline {
    grid-template-columns: 1fr;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    gap: 1.5rem;
    transition: right 0.3s ease;
    border-left: 1px solid var(--border-color);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a::after {
    display: none;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .section-title {
    font-size: 2rem;
  }

  .modules-grid,
  .feature-grid,
  .integration-grid,
  .resource-grid {
    grid-template-columns: 1fr;
  }
}

/* Animations */
.animate-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s forwards;
}

.delay-1 {
  animation-delay: 0.1s;
}
.delay-2 {
  animation-delay: 0.2s;
}
.delay-3 {
  animation-delay: 0.3s;
}

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

/* Instructor Section */
.instructor-section {
    padding: 6rem 2rem;
    background: var(--bg-primary); 
    position: relative;
    border-top: 1px solid var(--border-color);
}

.instructor-card {
    display: flex;
    flex-wrap: wrap;
    gap: 4rem;
    align-items: center;
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.instructor-visual {
    flex: 0 0 300px;
    display: flex;
    justify-content: center;
}

.img-placeholder-round {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #1e293b, #334155);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid var(--accent-primary);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.instructor-img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent-primary);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
}

.instructor-info {
    flex: 1;
    min-width: 300px;
}

.instructor-info h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.instructor-info .role {
    color: var(--accent-secondary);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.instructor-info p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(148, 163, 184, 0.1);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--bg-primary);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

@media (max-width: 768px) {
    .instructor-card {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
    }

    .instructor-visual {
        flex: auto;
        margin-bottom: 2rem;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Process / Curriculum Section */
.process-section {
    padding: 6rem 2rem;
    background: var(--bg-secondary);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    position: relative;
    max-width: 1200px;
    margin: 4rem auto 0;
}

/* Connecting Line (Desktop) */
@media (min-width: 768px) {
    .process-timeline::before {
        content: '';
        position: absolute;
        top: 25px;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(90deg, 
            transparent 0%, 
            var(--accent-primary) 20%, 
            var(--accent-secondary) 80%, 
            transparent 100%
        );
        z-index: 0;
        opacity: 0.3;
    }
}

.timeline-item {
    position: relative;
    z-index: 1;
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.timeline-item:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
}

.timeline-marker {
    width: 50px;
    height: 50px;
    background: var(--bg-primary);
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
}

/* Center marker on top of line for desktop */
@media (min-width: 768px) {
    .timeline-marker {
        margin-top: -45px; /* Pull up to sit on the line */
        margin-bottom: 2rem;
        background: var(--bg-secondary); /* Match section bg */
    }
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.timeline-subtitle {
    font-size: 0.9rem;
    color: var(--accent-secondary);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.checklist {
    list-style: none;
    padding: 0;
}

.checklist li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.checklist li::before {
    content: "✓";
    color: var(--accent-primary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Resources Section */
.resources-section {
    padding: 6rem 2rem;
    background: linear-gradient(to bottom, #0f172a, #1e293b);
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.resource-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding: 2rem;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.resource-card:hover {
    background: rgba(30, 41, 59, 0.9);
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.resource-icon {
    font-size: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(56, 189, 248, 0.1);
    border-radius: 12px;
    flex-shrink: 0;
}

.resource-info h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.resource-info p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.read-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.resource-card:hover .read-link {
    text-decoration: underline;
}
/* ===========================================
   PAGE STYLES - Account Setup, Platform Tour, Lab, Challenge
   =========================================== */

/* Page Hero */
.page-hero {
  padding: 10rem 2rem 4rem;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  text-align: center;
}

.breadcrumb {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--accent-primary);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.module-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: var(--accent-gradient-soft);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
}

.challenge-badge {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2) 0%, rgba(236, 72, 153, 0.2) 100%);
  border-color: rgba(168, 85, 247, 0.3);
  color: var(--accent-tertiary);
}

.page-hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.page-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.lab-meta {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}

.meta-item {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50px;
}

/* Objectives Section */
.objectives-section {
  padding: 0 2rem 4rem;
  margin-top: -2rem;
}

.objectives-card {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.objectives-card h2 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.objectives-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.objectives-list li {
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.objectives-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: bold;
}

/* Tutorial Content */
.tutorial-content {
  padding: 4rem 2rem;
}

.tutorial-step {
  max-width: 900px;
  margin: 0 auto 4rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.step-badge {
  padding: 0.4rem 1rem;
  background: var(--accent-gradient);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.step-header h2 {
  font-size: 1.4rem;
  flex: 1;
}

.task-time {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.3rem 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50px;
}

.step-body {
  padding: 2rem;
}

.step-body > p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1rem;
  line-height: 1.8;
}

/* Comparison Grid */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.comparison-card {
  padding: 1.5rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.comparison-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.feature-checklist {
  list-style: none;
}

.feature-checklist li {
  padding: 0.4rem 0;
  font-size: 0.9rem;
}

.feature-checklist li.included {
  color: var(--success-color);
}

.feature-checklist li.limited {
  color: var(--text-secondary);
}

.recommended-badge {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.4rem 0.75rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--success-color);
}

/* Callouts */
.info-callout,
.warning-callout,
.success-callout {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: 12px;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.info-callout {
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.warning-callout {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.success-callout {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.callout-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* Numbered Steps */
.numbered-steps {
  list-style: none;
  counter-reset: steps;
}

.numbered-steps > li {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1.5rem;
  counter-increment: steps;
}

.numbered-steps > li::before {
  content: counter(steps);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

.numbered-steps strong {
  color: var(--text-primary);
}

.sub-list {
  margin-top: 0.5rem;
  margin-left: 1rem;
  color: var(--text-secondary);
}

.sub-list li {
  margin-bottom: 0.3rem;
}

.step-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 0.25rem;
}

/* Link Button */
.link-button {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.6rem 1.25rem;
  background: var(--accent-gradient-soft);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 8px;
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.link-button:hover {
  background: rgba(56, 189, 248, 0.2);
  transform: translateX(3px);
}

/* Screenshot Placeholder */
.screenshot-placeholder {
  margin: 2rem 0;
  padding: 3rem;
  background: var(--bg-primary);
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  text-align: center;
}

.placeholder-content {
  color: var(--text-secondary);
}

.placeholder-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.placeholder-content p {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.placeholder-note {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Dashboard Features */
.dashboard-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.dashboard-feature {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.feature-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.dashboard-feature h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.dashboard-feature p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Next Steps / Completion */
.next-steps {
  padding: 4rem 2rem;
  background: var(--bg-secondary);
}

.completion-card {
  max-width: 700px;
  margin: 0 auto;
  padding: 3rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  text-align: center;
}

.completion-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.completion-card h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.completion-card > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.next-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===========================================
   PLATFORM TOUR PAGE STYLES
   =========================================== */

/* Interface Diagram */
.interface-diagram {
  margin: 2rem 0;
}

.diagram-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  align-items: start;
}

.diagram-mock {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}

.mock-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.mock-logo {
  font-weight: 600;
  font-size: 0.9rem;
}

.mock-actions {
  display: flex;
  gap: 0.5rem;
}

.mock-btn {
  padding: 0.4rem 0.75rem;
  background: var(--bg-primary);
  border-radius: 6px;
  font-size: 0.75rem;
}

.mock-btn.primary {
  background: var(--accent-gradient);
}

.mock-main {
  display: flex;
  min-height: 200px;
}

.mock-sidebar {
  width: 50px;
  background: var(--bg-tertiary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 0;
  gap: 0.75rem;
}

.mock-sidebar-item {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 0.9rem;
}

.mock-sidebar-item.active {
  background: rgba(56, 189, 248, 0.2);
}

.mock-canvas {
  flex: 1;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mock-block {
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.mock-block.cover {
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
  height: 60px;
}

.mock-block.media {
  height: 40px;
}

.mock-add-btn {
  padding: 0.75rem;
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.diagram-labels {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.label-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.label-num {
  width: 24px;
  height: 24px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* Blocks Showcase */
.blocks-showcase {
  display: grid;
  gap: 1.5rem;
  margin: 2rem 0;
}

.block-card {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: border-color 0.3s ease;
}

.block-card:hover {
  border-color: var(--accent-primary);
}

.block-preview {
  height: 100px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.preview-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

.text-preview {
  flex-direction: column;
  padding: 1rem;
  align-items: flex-start;
  gap: 0.5rem;
}

.preview-line {
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  width: 100%;
}

.preview-line.long { width: 90%; }
.preview-line.medium { width: 60%; }

.preview-icon {
  font-size: 2rem;
}

.button-preview .preview-btn {
  padding: 0.4rem 1rem;
  background: var(--accent-gradient);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.separator-preview .preview-separator {
  width: 60%;
  height: 2px;
  background: var(--border-color);
}

.block-info h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.block-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.block-tips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tip {
  padding: 0.3rem 0.75rem;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--success-color);
}

/* Immersive Grid */
.immersive-grid {
  display: grid;
  gap: 2rem;
  margin: 2rem 0;
}

.immersive-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.05) 0%, rgba(168, 85, 247, 0.05) 100%);
  border: 1px solid var(--border-color);
  border-radius: 16px;
}

.immersive-visual {
  height: 150px;
  background: var(--bg-primary);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.sidecar-visual {
  display: flex;
}

.sidecar-panel {
  width: 40%;
  background: var(--bg-tertiary);
  border-right: 1px solid var(--border-color);
}

.sidecar-media {
  flex: 1;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
}

.slideshow-visual {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 1rem;
  gap: 0.5rem;
  background: linear-gradient(180deg, var(--bg-secondary), var(--bg-tertiary));
}

.slide-dot {
  width: 8px;
  height: 8px;
  background: var(--text-secondary);
  border-radius: 50%;
  opacity: 0.3;
}

.slide-dot.active {
  opacity: 1;
  background: var(--accent-primary);
}

.tour-visual {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
}

.tour-point {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--accent-primary);
  border-radius: 50%;
  border: 2px solid white;
}

.tour-point.p1 { top: 30%; left: 25%; }
.tour-point.p2 { top: 50%; left: 60%; }
.tour-point.p3 { top: 70%; left: 40%; }

.immersive-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.immersive-content > p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.use-cases {
  list-style: none;
}

.use-cases li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.use-cases strong {
  color: var(--accent-primary);
}

/* Design Features */
.design-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.design-feature {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.design-icon {
  font-size: 1.5rem;
}

.design-feature h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.design-feature p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Publish Workflow */
.publish-workflow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.workflow-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  max-width: 200px;
}

.workflow-num {
  width: 32px;
  height: 32px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.workflow-content h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.workflow-content p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.workflow-arrow {
  font-size: 1.5rem;
  color: var(--text-secondary);
}

/* Sharing Options */
.sharing-options {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--bg-primary);
  border-radius: 12px;
}

.sharing-options h4 {
  margin-bottom: 1rem;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

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

.option-icon {
  font-size: 1.25rem;
}

.option-item strong {
  display: block;
  font-size: 0.9rem;
}

.option-item p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Shortcuts */
.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.shortcut {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-primary);
  border-radius: 8px;
}

kbd {
  padding: 0.3rem 0.6rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.8rem;
  font-family: monospace;
}

.shortcut span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ===========================================
   LAB PAGE STYLES
   =========================================== */

.lab-hero {
  background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(56, 189, 248, 0.05) 100%);
}

.lab-overview {
  padding: 0 2rem 4rem;
  margin-top: -2rem;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.overview-card {
  padding: 2rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
}

.overview-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.overview-card ul {
  list-style: none;
}

.overview-card li {
  padding: 0.4rem 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Lab Content */
.lab-content {
  padding: 4rem 2rem;
}

.lab-task {
  max-width: 900px;
  margin: 0 auto 3rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
}

.task-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.task-number {
  padding: 0.4rem 1rem;
  background: var(--accent-gradient);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.task-header h2 {
  font-size: 1.4rem;
  flex: 1;
}

.task-body {
  padding: 2rem;
}

/* Topic Suggestions */
.topic-suggestions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.suggestion {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.suggestion-icon {
  font-size: 1.5rem;
}

.suggestion strong {
  display: block;
  margin-bottom: 0.25rem;
}

.suggestion p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Activity Box */
.activity-box {
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: rgba(129, 140, 248, 0.1);
  border: 1px solid rgba(129, 140, 248, 0.2);
  border-radius: 12px;
}

.activity-box h4 {
  margin-bottom: 0.75rem;
  color: var(--accent-secondary);
}

.activity-box ol,
.activity-box p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.activity-box ol {
  margin-left: 1.5rem;
}

.activity-box li {
  margin-bottom: 0.4rem;
}

/* Pro Tips */
.pro-tips {
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: var(--bg-primary);
  border-radius: 12px;
}

.pro-tips h4 {
  margin-bottom: 1rem;
  color: var(--accent-primary);
}

.pro-tips ul {
  list-style: none;
}

.pro-tips li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.pro-tips li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

/* Example Box */
.example-box {
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: var(--bg-primary);
  border-left: 3px solid var(--accent-primary);
  border-radius: 0 12px 12px 0;
}

.example-box h4 {
  margin-bottom: 1rem;
}

.example-content {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.example-content p {
  margin-bottom: 0.75rem;
}

.example-content strong {
  color: var(--text-primary);
}

/* Block Options */
.block-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.block-option {
  padding: 1.25rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.block-option h4 {
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.block-option ol {
  margin-left: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.block-option li {
  margin-bottom: 0.4rem;
}

/* Lab Checklist */
.lab-checklist-section {
  padding: 4rem 2rem;
  background: var(--bg-secondary);
}

.checklist-card {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
}

.checklist-card h2 {
  margin-bottom: 0.5rem;
}

.checklist-card > p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.checklist-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-primary);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.checklist-item:hover {
  background: var(--bg-tertiary);
}

.checklist-item input {
  width: 18px;
  height: 18px;
  accent-color: var(--success-color);
}

.checklist-item span {
  font-size: 0.95rem;
}

/* ===========================================
   CHALLENGE PAGE STYLES
   =========================================== */

.challenge-hero {
  background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(168, 85, 247, 0.08) 100%);
}

/* Challenge Brief */
.challenge-brief {
  padding: 0 2rem 4rem;
  margin-top: -2rem;
}

.brief-card {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 16px;
}

.brief-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.brief-icon {
  font-size: 2rem;
}

.brief-header h2 {
  font-size: 1.5rem;
}

.brief-lead {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.brief-content p {
  color: var(--text-secondary);
}

/* Project Ideas */
.project-ideas {
  padding: 4rem 2rem;
  background: var(--bg-secondary);
}

.ideas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.idea-card {
  padding: 2rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.idea-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-5px);
}

.idea-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.idea-card h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.idea-list {
  list-style: none;
}

.idea-list li {
  padding: 0.4rem 0;
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.idea-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

/* Requirements */
.requirements-section {
  padding: 4rem 2rem;
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.requirement-card {
  padding: 2rem;
  background: var(--card-bg);
  border-radius: 16px;
  border: 1px solid var(--border-color);
}

.requirement-card.must-have {
  border-color: rgba(16, 185, 129, 0.3);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, transparent 100%);
}

.requirement-card.should-have {
  border-color: rgba(56, 189, 248, 0.3);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.05) 0%, transparent 100%);
}

.requirement-card.nice-have {
  border-color: rgba(168, 85, 247, 0.3);
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.05) 0%, transparent 100%);
}

.requirement-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.requirement-icon {
  font-size: 1.5rem;
}

.requirement-header h3 {
  font-size: 1.2rem;
}

.requirement-list {
  list-style: none;
}

.requirement-list li {
  margin-bottom: 1.25rem;
}

.requirement-list strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.requirement-list p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Planning Section */
.planning-section {
  padding: 4rem 2rem;
  background: var(--bg-secondary);
}

.planning-template {
  max-width: 800px;
  margin: 2rem auto 0;
}

.planning-group {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.planning-group h3 {
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.planning-fields {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.field-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.75rem;
  background: var(--bg-primary);
  border-radius: 8px;
  border: 1px dashed var(--border-color);
}

/* Storyboard */
.storyboard {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.storyboard-item {
  width: 100px;
  padding: 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  text-align: center;
}

.storyboard-item.empty {
  border-style: dashed;
  opacity: 0.6;
}

.sb-num {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.sb-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Evaluation Section */
.evaluation-section {
  padding: 4rem 2rem;
}

.rubric {
  max-width: 800px;
  margin: 2rem auto 0;
}

.rubric-item {
  padding: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 1rem;
}

.rubric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.rubric-header h3 {
  font-size: 1.1rem;
}

.rubric-weight {
  padding: 0.3rem 0.75rem;
  background: var(--accent-gradient);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
}

.rubric-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Inspiration */
.inspiration-section {
  padding: 4rem 2rem;
  background: var(--bg-secondary);
}

.inspiration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.inspiration-card {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.inspiration-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-3px);
}

.inspiration-preview {
  width: 60px;
  height: 60px;
  background: var(--bg-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.inspiration-preview .preview-icon {
  font-size: 1.5rem;
}

.inspiration-info h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.inspiration-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.view-link {
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-weight: 600;
}

/* Submission Section */
.submission-section {
  padding: 4rem 2rem;
}

.submission-card {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
}

.submission-card h2 {
  margin-bottom: 2rem;
}

.submission-steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.submission-step {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-primary);
  border-radius: 12px;
}

.submission-step .step-num {
  width: 32px;
  height: 32px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.submission-step h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.submission-step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.deadline-box {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  padding: 1.25rem;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 12px;
}

.deadline-icon {
  font-size: 1.5rem;
}

.deadline-box strong {
  display: block;
  margin-bottom: 0.25rem;
}

.deadline-box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Final Completion Card */
.challenge-complete {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.final-card {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
  border-color: rgba(168, 85, 247, 0.3);
}

.final-actions {
  margin-bottom: 2rem;
}

.workshop-resources {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.workshop-resources h4 {
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.resource-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.resource-links a {
  color: var(--accent-primary);
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.resource-links a:hover {
  color: var(--accent-secondary);
  text-decoration: underline;
}

/* ===========================================
   RESPONSIVE STYLES FOR NEW PAGES
   =========================================== */

@media (max-width: 768px) {
  .page-hero {
    padding: 8rem 1.5rem 3rem;
  }
  
  .page-hero h1 {
    font-size: 2rem;
  }
  
  .lab-meta {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .objectives-list {
    grid-template-columns: 1fr;
  }
  
  .tutorial-step,
  .lab-task {
    border-radius: 12px;
  }
  
  .step-header,
  .task-header {
    flex-wrap: wrap;
  }
  
  .step-body,
  .task-body {
    padding: 1.5rem;
  }
  
  .comparison-grid,
  .dashboard-features,
  .design-features,
  .topic-suggestions,
  .block-options {
    grid-template-columns: 1fr;
  }
  
  .block-card {
    grid-template-columns: 1fr;
  }
  
  .block-preview {
    height: 80px;
  }
  
  .immersive-card {
    grid-template-columns: 1fr;
  }
  
  .immersive-visual {
    height: 120px;
  }
  
  .diagram-container {
    grid-template-columns: 1fr;
  }
  
  .publish-workflow {
    flex-direction: column;
  }
  
  .workflow-arrow {
    transform: rotate(90deg);
  }
  
  .workflow-step {
    max-width: 100%;
    width: 100%;
  }
  
  .requirements-grid,
  .ideas-grid,
  .inspiration-grid {
    grid-template-columns: 1fr;
  }
  
  .storyboard {
    gap: 0.5rem;
  }
  
  .storyboard-item {
    width: 80px;
    padding: 0.75rem;
  }
}

/* Fade on scroll animation */
.fade-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Tutorial Images */
.tutorial-screenshot {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  margin-top: 1.5rem;
  transition: transform 0.3s ease;
}

.tutorial-screenshot:hover {
  transform: scale(1.02);
}