:root {
  --color-bg: #f9f9fb;
  --color-surface: #ffffff;
  --color-text-primary: #000000;
  --color-text-secondary: #666666;
  --color-text-tertiary: #999999;
  --color-accent: #007aff;
  --color-success: #34c759;
  --color-error: #ff3b30;
  --color-border: #e5e5ea;
  --color-lottery: #ffd700;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.06);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI',
    system-ui, sans-serif;
  background: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Layout */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-xl);
  background: #050816;
  color: #f9fafb;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.site-logo {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: linear-gradient(135deg, #007aff, #34c759);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

.site-title-block h1 {
  font-size: 1.4rem;
}

.site-title-block p {
  font-size: 0.85rem;
  color: #d1d5db;
}

.site-nav a {
  margin-left: var(--spacing-md);
  font-size: 0.9rem;
  color: #e5e7eb;
  text-decoration: none;
}

.site-nav a:hover {
  color: #ffffff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr);
  gap: var(--spacing-xl);
  padding: var(--spacing-xl);
}

.hero-copy h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.hero-copy p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.hero-bullets {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.hero-bullets li {
  margin-bottom: var(--spacing-xs);
  font-size: 0.95rem;
}

.hero-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-soft);
}

.status-label {
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
}

.status-bar {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: #e5e7eb;
  overflow: hidden;
  margin-bottom: var(--spacing-xs);
}

.status-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #007aff, #34c759);
}

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

/* Sections */

.section {
  padding: var(--spacing-xl);
}

.section-intro {
  max-width: 640px;
  color: var(--color-text-secondary);
  margin-top: var(--spacing-sm);
}

.section-accent {
  background: #050816;
  color: #f9fafb;
}

.section-accent .section-intro {
  color: #9ca3af;
}

/* Buttons */

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.btn-primary {
  background: #007aff;
  color: #ffffff;
}

.btn-primary:hover {
  background: #0060c4;
}

.btn-secondary {
  background: #f3f4f6;
  color: #111827;
}

.btn-secondary:hover {
  background: #e5e7eb;
}

/* Roadmap */

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.roadmap-item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
}

.roadmap-item h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.roadmap-item p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.roadmap-item ul {
  list-style: disc;
  padding-left: 18px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.roadmap-complete {
  border-color: var(--color-success);
}

/* Coin teaser */

.coin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.coin-card {
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.coin-card h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.coin-card p,
.coin-card ul {
  font-size: 0.9rem;
  color: #e5e7eb;
}

.coin-card ul {
  padding-left: 18px;
}

/* Wallet Demo */

.login-screen {
  max-width: 420px;
  margin: var(--spacing-xl) auto var(--spacing-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-soft);
}

.login-container {
  text-align: center;
}

.logo-mark {
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
}

.tagline {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.login-form .input-group {
  margin-bottom: var(--spacing-sm);
}

.login-form input {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.demo-box {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  background: #f3f4f6;
  font-size: 0.85rem;
}

.contact-links {
  margin-top: var(--spacing-md);
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  font-size: 0.8rem;
}

.contact-links a {
  color: var(--color-accent);
  text-decoration: none;
}

/* App container */

.app-container {
  max-width: 480px;
  margin: 0 auto var(--spacing-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  display: none;
}

.app-header {
  padding: var(--spacing-md);
  background: linear-gradient(135deg, #007aff, #34c759);
  color: #ffffff;
}

.balance-label {
  font-size: 0.8rem;
  opacity: 0.8;
}

.balance-amount {
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 4px;
}

.secondary-balance {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-sm);
  font-size: 0.8rem;
}

.primary-actions {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
}

.action-btn {
  flex: 1;
  padding: 10px 0;
  border-radius: 999px;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.action-primary {
  background: #007aff;
  color: #ffffff;
}

.action-secondary {
  background: #f3f4f6;
  color: #111827;
}

.action-tertiary {
  background: #fef3c7;
  color: #92400e;
}

.nav-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
}

.nav-tab {
  flex: 1;
  padding: 10px 0;
  text-align: center;
  font-size: 0.85rem;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-tab.active {
  font-weight: 600;
  border-bottom: 2px solid #007aff;
}

.content {
  padding: var(--spacing-md);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Wallet interior */

.wallet-container {
  margin-top: var(--spacing-sm);
}

.wallet {
  background: linear-gradient(145deg, #111827, #020617);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.wallet-brand {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 700;
  letter-spacing: 2px;
}

.wallet-title {
  color: white;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.wallet-section {
  margin-bottom: var(--spacing-md);
}

.wallet-section .section-title {
  color: white;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

/* Lottery */

.lottery-feature {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.lottery-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.lottery-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.lottery-jackpot {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-lottery);
}

.lottery-numbers {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin: var(--spacing-sm) 0;
}

.lottery-ball {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffd700 0%, #ffa500 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.lottery-meta {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  text-align: center;
}

/* Cards */

.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  cursor: pointer;
  transition: background 0.2s;
}

.card:active {
  background: #f5f5f7;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-content {
  flex: 1;
}

.card-label {
  font-size: 0.95rem;
  font-weight: 500;
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.card-amount {
  font-size: 0.9rem;
  font-weight: 600;
}

.card-amount.negative {
  color: var(--color-error);
}

.card-amount.positive {
  color: var(--color-success);
}

/* Ticker */

.trending-ticker {
  background: #fff9e6;
  border: 2px solid #ffe066;
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) 0;
  margin: 0 var(--spacing-md) var(--spacing-lg);
  overflow: hidden;
  position: relative;
}

.ticker-content {
  display: flex;
  white-space: nowrap;
  animation: scroll-ticker 15s linear infinite;
}

@keyframes scroll-ticker {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.ticker-item {
  padding: 0 var(--spacing-lg);
  font-size: 0.85rem;
  color: #856404;
  font-weight: 500;
}

.ticker-label {
  font-weight: 700;
  color: #664d03;
  margin-right: var(--spacing-xs);
}

/* Contribute */

.contribute-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.contribute-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
}

.contribute-card h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.contribute-card p,
.contribute-card ul {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.contribute-card ul {
  padding-left: 18px;
}

/* Footer */

.site-footer {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

/* Responsive */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .site-nav {
    display: flex;
    flex-wrap: wrap;
  }

  .site-nav a {
    margin: 0 var(--spacing-sm) var(--spacing-xs) 0;
  }
}