/* ========== Sparkfined Tool - Design System ========== */
:root {
  --bg-primary: #0A0E27;
  --bg-secondary: #151A36;
  --bg-card: #1A1F3A;
  --accent-purple: #8B5CF6;
  --accent-cyan: #06B6D4;
  --accent-green: #10B981;
  --danger: #EF4444;
  --text-primary: #F3F4F6;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  --border: rgba(139, 92, 246, 0.2);
  --border-bright: rgba(6, 182, 212, 0.4);
  --glow: rgba(6, 182, 212, 0.5);
  --glow-purple: rgba(139, 92, 246, 0.5);
  --card-bg: rgba(255, 255, 255, 0.02);
  --card-border: rgba(255, 255, 255, 0.08);
}

/* ========== Base Reset ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ========== Hero Section ========== */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
  padding-top: 0;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--glow) 0%, transparent 70%);
  opacity: 0.1;
  animation: rotate 30s linear infinite;
  pointer-events: none;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Navigation */
.nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0;
  position: relative;
  z-index: 100;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: bold;
  background: linear-gradient(45deg, var(--accent-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

.nav-links a:hover {
  color: var(--accent-cyan);
}

.nav-links a:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Hero Content */
.hero-content {
  padding: 4rem 0;
  text-align: center;
  position: relative;
  z-index: 10;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1rem;
  background: linear-gradient(180deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-divider {
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan), var(--accent-green));
  margin: 2rem auto;
  border-radius: 2px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  font-size: 1rem;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

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

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

/* Update Indicators */
.update-indicators {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.update-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0.5;
  transition: opacity 0.3s;
}

.update-item.active {
  opacity: 1;
}

.update-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.update-item.active:nth-child(1) .update-dot {
  background: var(--accent-green);
  box-shadow: 0 0 20px var(--accent-green);
}

.update-item.active:nth-child(2) .update-dot {
  background: var(--accent-cyan);
  box-shadow: 0 0 20px var(--accent-cyan);
  animation: pulse 2s infinite;
}

.update-item span {
  font-size: 0.875rem;
  font-weight: 600;
}

.update-item small {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

@keyframes pulse {
  0%, 100% { 
    opacity: 1;
    transform: scale(1);
  }
  50% { 
    opacity: 0.8;
    transform: scale(1.1);
  }
}

/* ========== Section Styles ========== */
section {
  padding: 6rem 0;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-title {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: 3rem;
  font-weight: 800;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-size: 1.125rem;
}

/* ========== Utility Classes ========== */
.text-gradient {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glow-effect {
  box-shadow: 0 0 30px var(--glow);
}

/* ========== Roadmap Section ========== */
.roadmap-section {
  background: var(--bg-secondary);
}

.roadmap-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
  position: relative;
}

.timeline-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
  transition: all 0.3s;
}

.timeline-item.active {
  border-color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.05);
}

.timeline-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.timeline-marker {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

.timeline-item h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

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

.timeline-item ul {
  list-style: none;
  padding-left: 0;
}

.timeline-item li {
  padding: 0.25rem 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.timeline-item li::before {
  content: '✓ ';
  color: var(--accent-cyan);
  font-weight: bold;
}

.progress-bar {
  background: rgba(255, 255, 255, 0.1);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 1rem;
  transition: width 0.6s ease-out;
}

.progress-label {
  font-size: 0.75rem;
  color: var(--bg-primary);
  font-weight: 600;
}

/* ========== Token Lock Section ========== */
.token-lock-section {
  background: var(--bg-primary);
}

.lock-phases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.phase-card {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(6, 182, 212, 0.05));
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s;
}

.phase-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-bright);
  box-shadow: 0 12px 32px rgba(6, 182, 212, 0.2);
}

.phase-header {
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.phase-badge {
  font-size: 2rem;
}

.phase-header h3 {
  flex: 1;
  margin: 0;
  font-size: 1.25rem;
}

.phase-label {
  font-size: 0.875rem;
  color: var(--accent-cyan);
}

.phase-content {
  padding: 1.5rem;
}

.phase-stat {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.phase-stat:last-child {
  border-bottom: none;
}

.phase-stat span {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.phase-stat strong {
  color: var(--text-primary);
}

/* Calculator */
.calculator-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
}

.calculator-container h3 {
  margin-bottom: 1.5rem;
  text-align: center;
  font-size: 1.5rem;
}

.calculator-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.input-group label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.input-group input {
  width: 100%;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
}

.input-group input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.calculator-result {
  background: rgba(0, 0, 0, 0.5);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.result-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
}

.result-row span {
  color: var(--text-secondary);
}

.result-row strong {
  color: var(--accent-cyan);
  font-size: 1.1rem;
}

.btn-gradient {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 1rem;
}

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(6, 182, 212, 0.3);
}

.btn-gradient:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

/* ========== NFT Section ========== */
.nft-section {
  background: var(--bg-secondary);
}

.nft-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.nft-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.nft-badge-3d {
  width: 300px;
  height: 300px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, var(--accent-purple), transparent);
  filter: blur(30px);
  opacity: 0.5;
  animation: pulse-badge 3s infinite;
}

@keyframes pulse-badge {
  0%, 100% { 
    opacity: 0.5;
    transform: scale(1);
  }
  50% { 
    opacity: 0.8;
    transform: scale(1.05);
  }
}

.badge-content {
  position: relative;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  width: 200px;
  height: 200px;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transform: perspective(1000px) rotateY(15deg) rotateX(10deg);
  transition: transform 0.3s;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.badge-content:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.badge-number {
  font-size: 2rem;
  font-weight: 900;
  color: white;
}

.badge-title {
  font-size: 1rem;
  letter-spacing: 0.2em;
  color: white;
  opacity: 0.9;
}

.nft-info h3 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.nft-counter {
  margin-bottom: 2rem;
}

.counter-label {
  color: var(--text-secondary);
  margin-right: 0.5rem;
}

.counter-value {
  font-size: 2rem;
  font-weight: bold;
  color: var(--accent-green);
}

.counter-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.counter-fill {
  height: 100%;
  background: var(--accent-green);
  transition: width 0.6s ease-out;
}

.nft-requirements, .nft-benefits {
  margin-bottom: 1.5rem;
}

.nft-requirements h4, .nft-benefits h4 {
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.nft-requirements ul, .nft-benefits ul {
  list-style: none;
  padding-left: 0;
}

.nft-requirements li, .nft-benefits li {
  padding: 0.25rem 0;
  color: var(--text-secondary);
}

.btn-mint {
  padding: 1rem 3rem;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
  color: var(--bg-primary);
  border: none;
  border-radius: 8px;
  font-weight: bold;
  font-size: 1.125rem;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-mint:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.btn-mint:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 2px;
}

/* ========== Distribution Section ========== */
.distribution-section {
  background: var(--bg-primary);
}

.distribution-chart {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
  align-items: flex-end;
}

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

.distribution-bar {
  background: linear-gradient(180deg, var(--accent-purple), var(--accent-cyan));
  border-radius: 8px 8px 0 0;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 1rem;
  min-height: 100px;
  position: relative;
  transition: all 0.3s;
}

.distribution-item:hover .distribution-bar {
  transform: scaleY(1.05);
  box-shadow: 0 -4px 20px rgba(139, 92, 246, 0.4);
}

.bar-label {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
}

.distribution-item h4 {
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
}

.distribution-item ul {
  list-style: none;
  padding-left: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.distribution-item li {
  padding: 0.25rem 0;
}

.distribution-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-outline {
  padding: 0.75rem 1.5rem;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 1rem;
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
}

.btn-outline:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

/* ========== Manifesto Section ========== */
.manifesto-section {
  background: var(--bg-secondary);
}

.manifesto-content {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: 3rem;
}

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

.manifesto-block h3 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.manifesto-item {
  margin-bottom: 1.5rem;
}

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

.manifesto-item strong {
  display: block;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
}

.manifesto-item p {
  color: var(--text-secondary);
}

.manifesto-block ul {
  list-style: none;
  padding-left: 0;
}

.manifesto-block li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
}

.manifesto-block li strong {
  display: inline;
  color: var(--text-primary);
}

/* ========== Footer ========== */
.footer-cta {
  background: var(--bg-primary);
  padding: 6rem 0 3rem;
  text-align: center;
}

.footer-cta h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 2rem;
}

.footer-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.btn-primary-large, .btn-secondary-large {
  padding: 1.25rem 2.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  font-size: 1.125rem;
  text-decoration: none;
  display: inline-block;
}

.btn-primary-large {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  color: white;
}

.btn-primary-large:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
}

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

.btn-secondary-large:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

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

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: bold;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-disclaimer {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.8;
}

/* ========== Responsive Overrides ========== */
@media (max-width: 1024px) {
  .nft-showcase {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .nft-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
    font-size: 0.875rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .btn-primary, .btn-secondary {
    width: 100%;
  }
  
  .update-indicators {
    flex-direction: column;
    gap: 1rem;
  }
  
  /* Improve readability on mobile */
  .update-item small {
    font-size: 0.875rem; /* 14px instead of 12px */
  }
  
  section {
    padding: 4rem 0;
  }
  
  .roadmap-timeline {
    grid-template-columns: 1fr;
  }
  
  .lock-phases {
    grid-template-columns: 1fr;
  }
  
  .calculator-inputs {
    grid-template-columns: 1fr;
  }
  
  .distribution-chart {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .footer-stats {
    flex-direction: column;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .distribution-chart {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .nft-badge-3d {
    width: 250px;
    height: 250px;
  }
  
  .badge-content {
    width: 160px;
    height: 160px;
  }
}

/* ========== Reduced Motion ========== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
  
  .hero-section::before {
    animation: none;
  }
  
  .badge-glow {
    animation: none;
  }
}