/* Challenge Landing Page Styles */
/* Matches spring-boot-new.html theme with purple/cyan gradients */

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

:root {
  /* Color Palette - Purple/Cyan Theme */
  --primary-purple: #a78bfa;
  --strong-purple: #8b5cf6;
  --accent-cyan: #22d3ee;
  --dark-bg: #0b0e12;
  --card-bg: #11161d;
  --elevated-bg: #151b23;
  --text-primary: #e6e9ef;
  --text-secondary: #9aa3b2;
  --border-color: rgba(167, 139, 250, 0.2);
  --gradient-purple: linear-gradient(135deg, #a78bfa, #8b5cf6);
  --gradient-cyan: linear-gradient(135deg, #22d3ee, #06b6d4);
  --gradient-hero: linear-gradient(135deg, rgba(167, 139, 250, 0.1), rgba(34, 211, 238, 0.1));
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: rgba(11, 14, 18, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.brand img {
  height: 28px;
  display: block;
}

.nav {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.3s;
}

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

/* Nav button styling for better visibility */
.nav .btn-primary {
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  background: var(--gradient-purple);
  color: white;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(167, 139, 250, 0.4);
  transition: all 0.3s ease;
}

.nav .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(167, 139, 250, 0.5);
  color: white;
}

/* Countdown Banner */
.countdown-banner {
  background: var(--gradient-purple);
  padding: 12px 0;
  text-align: center;
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}

.countdown {
  font-size: 18px;
  font-weight: 600;
  color: white;
  letter-spacing: 0.5px;
}

#countdown-timer {
  font-family: 'Courier New', monospace;
  font-size: 20px;
  font-weight: 700;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 100px 0 120px;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(167, 139, 250, 0.15), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(34, 211, 238, 0.15), transparent 40%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(167, 139, 250, 0.15);
  border: 1px solid var(--primary-purple);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-purple);
  margin-bottom: 25px;
}

.hero h1 {
  font-size: 60px;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--primary-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin: 50px 0;
}

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

.stat-number {
  display: block;
  font-size: 42px;
  font-weight: 800;
  background: var(--gradient-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.stat-label {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
}

.cta-row {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin: 40px 0;
}

.trust-indicators {
  display: flex;
  gap: 25px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--gradient-purple);
  color: white;
  box-shadow: 0 4px 15px rgba(167, 139, 250, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(167, 139, 250, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--primary-purple);
  border: 2px solid var(--primary-purple);
}

.btn-ghost:hover {
  background: rgba(167, 139, 250, 0.1);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 18px;
}

/* Section Styling */
section {
  padding: 80px 0;
}

section h2 {
  font-size: 42px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 15px;
  background: linear-gradient(135deg, var(--primary-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

section .subtitle {
  text-align: center;
  margin-bottom: 50px;
}

/* What is Challenge Section */
.what-is-challenge {
  background: var(--card-bg);
}

.challenge-overview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.overview-card {
  background: var(--elevated-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 35px;
  text-align: center;
  transition: all 0.3s;
}

.overview-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-purple);
  box-shadow: 0 8px 25px rgba(167, 139, 250, 0.2);
}

.overview-card .icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.overview-card h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: var(--primary-purple);
}

.overview-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}

/* Benefits Section */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.benefit-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 35px;
  transition: all 0.3s;
}

.benefit-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-purple);
  box-shadow: 0 8px 25px rgba(167, 139, 250, 0.2);
}

.benefit-card.featured {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.1), rgba(34, 211, 238, 0.1));
  border: 2px solid var(--primary-purple);
}

.benefit-icon {
  font-size: 42px;
  margin-bottom: 20px;
}

.benefit-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--primary-purple);
}

.benefit-card p {
  color: var(--text-secondary);
  margin-bottom: 15px;
  font-size: 15px;
}

.benefit-card ul {
  list-style: none;
  padding: 0;
}

.benefit-card ul li {
  padding: 6px 0;
  color: var(--text-secondary);
  font-size: 14px;
  padding-left: 20px;
  position: relative;
}

.benefit-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-weight: bold;
}

/* Roadmap Timeline */
.roadmap {
  background: var(--card-bg);
}

.timeline {
  max-width: 900px;
  margin: 0 auto;
  padding: 30px 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 40px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary-purple), var(--accent-cyan));
}

.week-item {
  display: flex;
  gap: 30px;
  margin-bottom: 50px;
  position: relative;
}

.week-number {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  background: var(--gradient-purple);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  color: white;
  box-shadow: 0 4px 15px rgba(167, 139, 250, 0.4);
  z-index: 2;
}

.week-content {
  background: var(--elevated-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 25px;
  flex: 1;
  transition: all 0.3s;
}

.week-content:hover {
  border-color: var(--primary-purple);
  box-shadow: 0 4px 20px rgba(167, 139, 250, 0.2);
}

.week-content h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--primary-purple);
}

.week-content p {
  color: var(--text-secondary);
  margin-bottom: 15px;
  font-size: 15px;
  line-height: 1.7;
}

.week-goals {
  background: rgba(167, 139, 250, 0.1);
  border-left: 3px solid var(--primary-purple);
  padding: 12px 15px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--text-secondary);
}

.week-goals strong {
  color: var(--primary-purple);
}

/* Hall of Fame */
.hall-of-fame-section {
  background: var(--dark-bg);
}

.hall-of-fame-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.fame-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s;
}

.fame-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-purple);
  box-shadow: 0 8px 25px rgba(167, 139, 250, 0.2);
}

.project-preview {
  height: 200px;
  background: var(--elevated-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-color);
}

.preview-placeholder {
  font-size: 48px;
  opacity: 0.3;
}

.developer-info {
  padding: 25px;
}

.developer-info h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.project-title {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 15px;
}

.achievement-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 15px;
}

.achievement-badges .badge {
  padding: 4px 10px;
  background: rgba(167, 139, 250, 0.15);
  border: 1px solid var(--primary-purple);
  border-radius: 12px;
  font-size: 12px;
  color: var(--primary-purple);
}

.project-link {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: color 0.3s;
}

.project-link:hover {
  color: var(--primary-purple);
}

.hall-fame-cta {
  text-align: center;
  margin-top: 50px;
  padding: 30px;
  background: var(--gradient-hero);
  border-radius: 12px;
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-purple);
}

/* How to Join */
.how-to-join {
  background: var(--card-bg);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}

.step-card {
  background: var(--elevated-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 35px;
  text-align: center;
  transition: all 0.3s;
  position: relative;
}

.step-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-purple);
  box-shadow: 0 8px 25px rgba(167, 139, 250, 0.2);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--gradient-purple);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: white;
  margin: 0 auto 20px;
}

.step-card h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--primary-purple);
}

.step-card p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 15px;
  line-height: 1.6;
}

.step-link {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: color 0.3s;
}

.step-link:hover {
  color: var(--primary-purple);
}

.eligibility, .submission-requirements {
  background: var(--elevated-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 35px;
  margin-top: 40px;
}

.eligibility h3, .submission-requirements h3 {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--primary-purple);
  text-align: left;
}

.eligibility ul {
  list-style: none;
  padding: 0;
}

.eligibility ul li {
  padding: 10px 0;
  color: var(--text-secondary);
  font-size: 15px;
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
  margin-top: 30px;
}

.req-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 25px;
}

.req-card h4 {
  font-size: 18px;
  margin-bottom: 15px;
  color: var(--primary-purple);
}

.req-card ul {
  list-style: none;
  padding: 0;
}

.req-card ul li {
  padding: 6px 0;
  color: var(--text-secondary);
  font-size: 14px;
  padding-left: 20px;
  position: relative;
}

.req-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-weight: bold;
}

/* Reimbursement Section */
.reimbursement {
  background: var(--dark-bg);
}

.reimbursement-card {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.1), rgba(34, 211, 238, 0.1));
  border: 2px solid var(--primary-purple);
  border-radius: 16px;
  padding: 50px;
  text-align: center;
}

.reimbursement-card h2 {
  margin-bottom: 15px;
}

.reimbursement-card .lead {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.reimbursement-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 30px;
  text-align: left;
}

.detail-item h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--primary-purple);
}

.detail-item p, .detail-item a {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}

.detail-item a {
  color: var(--accent-cyan);
  text-decoration: none;
}

.detail-item ul, .detail-item ol {
  margin-top: 10px;
  padding-left: 20px;
  color: var(--text-secondary);
  font-size: 14px;
}

.detail-item ul li, .detail-item ol li {
  padding: 5px 0;
}

.disclaimer {
  font-size: 13px;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 30px;
}

/* FAQ Section */
.faq {
  background: var(--card-bg);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}

.faq-item {
  background: var(--elevated-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px;
  transition: all 0.3s;
}

.faq-item:hover {
  border-color: var(--primary-purple);
  box-shadow: 0 4px 20px rgba(167, 139, 250, 0.15);
}

.faq-item h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--primary-purple);
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}

/* Testimonials */
.testimonials {
  background: var(--dark-bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 35px;
  transition: all 0.3s;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-purple);
  box-shadow: 0 8px 25px rgba(167, 139, 250, 0.2);
}

.stars {
  color: #fbbf24;
  font-size: 20px;
  margin-bottom: 15px;
}

.quote {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.author strong {
  display: block;
  color: var(--text-primary);
  font-size: 16px;
  margin-bottom: 4px;
}

.author span {
  color: var(--text-secondary);
  font-size: 14px;
}

/* Final CTA */
.final-cta {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.15), rgba(34, 211, 238, 0.15));
  padding: 100px 0;
}

.cta-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 48px;
  margin-bottom: 20px;
}

.cta-content > p {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.cta-benefits {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
  font-size: 15px;
  font-weight: 600;
}

.cta-buttons {
  margin-bottom: 20px;
}

.cta-note {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 15px;
}

.cta-guarantee {
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
  font-size: 14px;
  color: var(--text-secondary);
}

/* Footer */
.site-footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 40px;
}

.footer-section h4 {
  color: var(--primary-purple);
  font-size: 18px;
  margin-bottom: 20px;
}

.footer-section p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section ul li {
  margin-bottom: 10px;
}

.footer-section ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

.footer-section ul li a:hover {
  color: var(--primary-purple);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 14px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 48px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .challenge-overview,
  .benefits-grid,
  .steps-grid,
  .hall-of-fame-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .requirements-grid {
    grid-template-columns: 1fr;
  }

  .reimbursement-details {
    grid-template-columns: 1fr;
  }
}

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

  .hero h1 {
    font-size: 36px;
  }

  .subtitle {
    font-size: 16px;
  }

  .hero-stats,
  .challenge-overview,
  .benefits-grid,
  .steps-grid,
  .hall-of-fame-grid,
  .faq-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .cta-row {
    flex-direction: column;
    align-items: center;
  }

  .timeline::before {
    left: 20px;
  }

  .week-number {
    width: 60px;
    height: 60px;
    font-size: 18px;
  }

  section h2 {
    font-size: 32px;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 60px 0 80px;
  }

  .hero h1 {
    font-size: 28px;
  }

  section {
    padding: 50px 0;
  }

  .btn-lg {
    padding: 14px 30px;
    font-size: 16px;
  }
}