/**
 * Marketing Pages Styles for AutoNateAI
 * Used on: Landing page, Blog, Consulting, Enterprise, Challenges
 */

/* ===== Variables (extend dashboard vars) ===== */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --bg-card: #16162a;
  
  --text-primary: #e8e8f0;
  --text-secondary: #a0a0b8;
  --text-muted: #6a6a80;
  
  --accent-primary: #7986cb;
  --accent-secondary: #4db6ac;
  --accent-warning: #ffd54f;
  --accent-error: #ef5350;
  --accent-success: #66bb6a;
  
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  
  --container-width: 1200px;
  --nav-height: 70px;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Navigation ===== */
.marketing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.marketing-nav.scrolled {
  background: rgba(10, 10, 15, 0.98);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}

.nav-logo-icon {
  font-size: 1.5rem;
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-btn.secondary {
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-btn.secondary:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
}

.nav-btn.primary {
  background: var(--accent-primary);
  color: white;
}

.nav-btn.primary:hover {
  background: var(--accent-secondary);
  transform: translateY(-2px);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
}

/* Hide mobile menu on desktop */
.mobile-menu {
  display: none !important;
  cursor: pointer;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 4rem) 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(121, 134, 203, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(77, 182, 172, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(255, 213, 79, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(121, 134, 203, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(121, 134, 203, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: var(--container-width);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(121, 134, 203, 0.1);
  border: 1px solid rgba(121, 134, 203, 0.3);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 50%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  box-shadow: 0 4px 20px rgba(121, 134, 203, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(121, 134, 203, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
}

.hero-stats {
  display: flex;
  gap: 2rem;
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-secondary);
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
}

.hero-image {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-float {
  position: absolute;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  animation: float 3s ease-in-out infinite;
}

.hero-float-1 {
  top: 10%;
  right: -20px;
  animation-delay: 0s;
}

.hero-float-2 {
  bottom: 20%;
  left: -30px;
  animation-delay: 1s;
}

.hero-float-3 {
  bottom: 10%;
  right: 10%;
  animation-delay: 2s;
}

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

/* ===== Sections ===== */
.section {
  padding: 6rem 2rem;
  position: relative;
}

.section-container {
  max-width: var(--container-width);
  margin: 0 auto;
}

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

.section-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(121, 134, 203, 0.1);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

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

/* ===== Features Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(121, 134, 203, 0.3);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(121, 134, 203, 0.2), rgba(77, 182, 172, 0.2));
  border-radius: var(--radius-md);
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== Platform Preview ===== */
.platform-preview {
  background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
}

.preview-container {
  position: relative;
}

.preview-image {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.preview-feature {
  text-align: center;
  padding: 1.5rem;
}

.preview-feature-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.preview-feature-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.preview-feature-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Course Cards ===== */
.courses-section {
  background: var(--bg-secondary);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.course-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.course-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  border-color: var(--accent-primary);
}

.course-banner {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.course-banner-img {
  width: 100%;
  height: auto;
  aspect-ratio: 1536 / 1024;
  object-fit: contain;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--bg-tertiary);
}

.course-banner.apprentice {
  background: linear-gradient(135deg, #ab47bc, #7986cb);
}

.course-banner.junior {
  background: linear-gradient(135deg, #ffd54f, #ff7043);
}

.course-banner.senior {
  background: linear-gradient(135deg, #4db6ac, #26a69a);
}

.course-body {
  padding: 1.5rem;
}

.course-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.course-audience {
  font-size: 0.85rem;
  color: var(--accent-secondary);
  margin-bottom: 1rem;
}

.course-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.course-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.course-link {
  display: block;
  text-align: center;
  padding: 0.75rem;
  background: transparent;
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.course-link:hover {
  background: var(--accent-primary);
  color: white;
}

/* ===== Community Section ===== */
.community-section {
  text-align: center;
}

.community-card {
  max-width: 600px;
  margin: 0 auto;
  padding: 3rem;
  background: linear-gradient(135deg, rgba(121, 134, 203, 0.1), rgba(77, 182, 172, 0.1));
  border: 1px solid rgba(121, 134, 203, 0.3);
  border-radius: var(--radius-xl);
}

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

.community-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.community-desc {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.community-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 2rem;
}

.community-stat {
  text-align: center;
}

.community-stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-secondary);
}

.community-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
  text-align: center;
  padding: 8rem 2rem;
}

.cta-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

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

/* ===== Footer ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 4rem 2rem 2rem;
}

.footer-container {
  max-width: var(--container-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-logo-icon {
  font-size: 1.5rem;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-column h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--accent-primary);
  color: white;
}

/* ===== Page Specific Styles ===== */

/* Blog */
.blog-hero {
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 4rem;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.blog-image {
  height: 180px;
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.blog-content {
  padding: 1.5rem;
}

.blog-category {
  font-size: 0.75rem;
  color: var(--accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.blog-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.blog-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.blog-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.blog-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* Consulting / Enterprise */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
}

.service-card:hover {
  border-color: rgba(121, 134, 203, 0.3);
}

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

.service-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.service-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(121, 134, 203, 0.3);
}

/* Challenges Preview */
.challenges-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.challenge-preview-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
}

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

.challenge-type {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-text {
    max-width: 100%;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .hero-visual {
    max-width: 600px;
    margin: 0 auto;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .preview-features {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .nav-cta {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  /* Mobile Menu Dropdown - override desktop hidden */
  .mobile-menu {
    display: none !important;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 1rem;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 999;
    animation: slideDown 0.3s ease;
  }
  
  .mobile-menu.active {
    display: flex !important;
  }
  
  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .mobile-menu a {
    display: block;
    padding: 0.875rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: background 0.2s;
  }
  
  .mobile-menu a:hover {
    background: rgba(255,255,255,0.05);
  }
  
  .mobile-menu .mobile-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 0.5rem 0;
  }
  
  .mobile-menu .mobile-cta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-top: 0.5rem;
  }
  
  .mobile-menu .nav-btn {
    text-align: center;
    padding: 0.875rem 1rem;
  }
  
  .hero {
    padding-top: calc(var(--nav-height) + 2rem);
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .section {
    padding: 4rem 1.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .features-grid,
  .courses-grid,
  .blog-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .preview-features {
    grid-template-columns: 1fr 1fr;
  }
  
  .community-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-brand {
    max-width: 100%;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
  }
  
  .challenges-preview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .preview-features {
    grid-template-columns: 1fr;
  }
}

/* ===== Marketing Diagrams (Interactive Preview) ===== */
.interactive-preview {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.interactive-preview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(77, 182, 172, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.diagrams-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

@media (max-width: 1024px) {
  .diagrams-showcase {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }
}

.marketing-diagram-wrapper {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.marketing-diagram-wrapper:hover {
  border-color: rgba(77, 182, 172, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transform: translateY(-4px);
}

.diagram-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.2);
}

.diagram-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.diagram-title .icon {
  font-size: 1.1rem;
}

.audio-toggle {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.audio-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.audio-toggle.muted {
  opacity: 0.5;
}

.marketing-diagram-canvas {
  height: 280px;
  position: relative;
}

.marketing-caption {
  padding: 1rem 1.25rem;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.15);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  transition: opacity 0.15s ease;
}

/* Theme badges for diagrams */
.theme-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.theme-badge.stone {
  background: rgba(141, 110, 99, 0.2);
  color: #bcaaa4;
  border: 1px solid rgba(141, 110, 99, 0.3);
}

.theme-badge.lightning {
  background: rgba(255, 213, 79, 0.15);
  color: #ffd54f;
  border: 1px solid rgba(255, 213, 79, 0.3);
}

.theme-badge.magnetism {
  background: rgba(171, 71, 188, 0.15);
  color: #ce93d8;
  border: 1px solid rgba(171, 71, 188, 0.3);
}

/* Node tooltip for marketing diagrams */
.marketing-diagram-canvas .node-tooltip {
  position: absolute;
  background: var(--bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  max-width: 200px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 100;
}

.marketing-diagram-canvas .node-tooltip.visible {
  opacity: 1;
}

/* Diagrams hint text */
.diagrams-hint {
  text-align: center;
  margin-top: 2rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.diagrams-hint span {
  font-size: 1.1rem;
}

/* ===== Quick Quiz Section ===== */
.quick-quiz-section {
  background: var(--bg-primary);
}

.quick-quiz {
  max-width: 600px;
  margin: 3rem auto 0;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.quiz-question {
  display: none;
}

.quiz-question.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.question-number {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.question-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

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

.quiz-option {
  background: var(--bg-tertiary);
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  text-align: left;
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quiz-option:hover:not(:disabled) {
  border-color: var(--accent-primary);
  background: rgba(121, 134, 203, 0.1);
}

.quiz-option:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.quiz-option.correct {
  border-color: var(--accent-success);
  background: rgba(102, 187, 106, 0.15);
}

.quiz-option.incorrect {
  border-color: var(--accent-error);
  background: rgba(239, 83, 80, 0.15);
}

.question-feedback {
  margin-top: 1.25rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  display: none;
}

.question-feedback.show {
  display: block;
  animation: fadeIn 0.3s ease;
}

.question-feedback.correct {
  background: rgba(102, 187, 106, 0.1);
  border: 1px solid rgba(102, 187, 106, 0.3);
  color: var(--accent-success);
}

.question-feedback.incorrect {
  background: rgba(239, 83, 80, 0.1);
  border: 1px solid rgba(239, 83, 80, 0.3);
  color: var(--accent-error);
}

/* Quiz Results */
.quiz-results {
  text-align: center;
  padding: 2rem 0;
  animation: fadeIn 0.5s ease;
}

.results-score {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.results-score .score-value {
  font-size: 5rem;
}

.results-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.results-message {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.quiz-results .btn {
  display: inline-flex;
}

/* ===== Problem Diagram Container ===== */
.problem-diagram-container {
  max-width: 700px;
  margin: 3rem auto 0;
}

.marketing-diagram-wrapper.large .marketing-diagram-canvas {
  height: 320px;
}

.marketing-diagram-wrapper.large .marketing-diagram-canvas.large {
  height: 320px;
}

/* ===== Approach Showcase (Diagram + Text) ===== */
.approach-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.approach-showcase:first-of-type {
  margin-top: 3rem;
  padding-top: 0;
  border-top: none;
}

.approach-showcase.reverse {
  direction: rtl;
}

.approach-showcase.reverse > * {
  direction: ltr;
}

.approach-diagram {
  width: 100%;
}

.approach-text {
  padding: 1rem 0;
}

.approach-text h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.approach-text > p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

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

.approach-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.6rem 0;
  color: var(--text-primary);
  font-size: 1rem;
}

.approach-list li strong {
  color: var(--text-primary);
}

.force-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.approach-cta {
  color: var(--accent-secondary) !important;
  font-weight: 500;
  font-style: italic;
}

@media (max-width: 900px) {
  .approach-showcase {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .approach-showcase.reverse {
    direction: ltr;
  }
  
  .approach-text {
    text-align: center;
  }
  
  .approach-list li {
    justify-content: center;
  }
}