/* ===== NatCoin – Exodus-inspired Futuristic Theme ===== */
:root {
  --bg-deep: #070B1A;
  --bg-dark: #0C1228;
  --bg-card: #121A33;
  --bg-card-hover: #1A2444;
  --purple: #A78BFA;
  --purple-dark: #7C3AED;
  --cyan: #22D3EE;
  --cyan-dim: #06B6D4;
  --gold: #FBBF24;
  --text: #E2E8F0;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --border: rgba(167, 139, 250, 0.15);
  --glow-purple: 0 0 40px rgba(167, 139, 250, 0.25);
  --glow-cyan: 0 0 30px rgba(34, 211, 238, 0.2);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Orbitron', 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(7, 11, 26, 0.85);
  backdrop-filter: blur(16px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.logo img {
  filter: drop-shadow(0 0 8px rgba(167, 139, 250, 0.5));
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  transition: width var(--transition);
}

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

.btn-nav {
  background: linear-gradient(135deg, var(--purple-dark), var(--purple));
  color: white !important;
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  font-weight: 600 !important;
}

.btn-nav::after {
  display: none !important;
}

.btn-nav:hover {
  box-shadow: var(--glow-purple);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
  border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 6rem 1.5rem 4rem;
}

.video-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.video-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, var(--bg-deep) 70%),
              linear-gradient(180deg, rgba(7, 11, 26, 0.4) 0%, var(--bg-deep) 100%);
}

.particles {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 20px 30px, rgba(167, 139, 250, 0.4), transparent),
    radial-gradient(1.5px 1.5px at 40px 70px, rgba(34, 211, 238, 0.3), transparent),
    radial-gradient(1.5px 1.5px at 50px 160px, rgba(167, 139, 250, 0.3), transparent),
    radial-gradient(1.5px 1.5px at 90px 40px, rgba(34, 211, 238, 0.25), transparent),
    radial-gradient(1.5px 1.5px at 130px 80px, rgba(251, 191, 36, 0.2), transparent),
    radial-gradient(2px 2px at 160px 120px, rgba(167, 139, 250, 0.3), transparent);
  background-size: 200px 200px;
  animation: particleDrift 40s linear infinite;
  opacity: 0.6;
}

@keyframes particleDrift {
  from { background-position: 0 0; }
  to { background-position: 200px 200px; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-logo {
  margin: 0 auto 1.5rem;
  filter: drop-shadow(0 0 20px rgba(167, 139, 250, 0.6));
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, #fff 0%, var(--purple) 50%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
  line-height: 1.1;
}

.hero-tagline {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 500;
  color: var(--cyan);
  margin-bottom: 1rem;
}

.hero-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--purple);
  letter-spacing: 0.03em;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.mouse {
  width: 22px;
  height: 34px;
  border: 2px solid var(--text-dim);
  border-radius: 12px;
  position: relative;
}

.mouse::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--cyan);
  border-radius: 2px;
  animation: scrollWheel 1.8s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}

.btn-primary {
  background: linear-gradient(135deg, var(--purple-dark), var(--purple));
  color: white;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-purple);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

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

.btn-secondary:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  width: 100%;
}

.btn-outline:hover {
  border-color: var(--purple);
  color: var(--purple);
}

.btn-full {
  width: 100%;
  margin-top: 1rem;
}

/* ===== Sections ===== */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.1);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  border: 1px solid rgba(34, 211, 238, 0.2);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ===== About ===== */
.about {
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-dark) 100%);
}

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

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
}

.about-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(167, 139, 250, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--glow-purple);
}

.about-icon {
  font-size: 1.8rem;
  color: var(--purple);
  margin-bottom: 1rem;
}

.about-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  font-weight: 600;
}

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

/* ===== Merchandise ===== */
.merchandise {
  background: var(--bg-dark);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.3);
  box-shadow: var(--glow-cyan);
}

.product-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: #1E1B4B;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(7, 11, 26, 0.85);
  backdrop-filter: blur(8px);
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.product-info {
  padding: 1.4rem;
}

.product-info h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

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

.token-cost {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.03em;
}

/* ===== Tokenomics ===== */
.tokenomics {
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-deep) 100%);
}

.tokenomics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.token-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  text-align: center;
  transition: all var(--transition);
}

.token-card:hover {
  transform: translateY(-3px);
}

.token-card.highlight {
  border-color: rgba(167, 139, 250, 0.4);
  box-shadow: var(--glow-purple);
}

.token-card.accent {
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: var(--glow-cyan);
}

.token-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.3rem;
}

.token-label {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.token-card p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.scarcity-banner {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(34, 211, 238, 0.1));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 2.5rem;
}

.scarcity-content h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: var(--purple);
}

.scarcity-content p {
  color: var(--text-muted);
  max-width: 700px;
}

/* ===== How It Works ===== */
.how-it-works {
  background: var(--bg-deep);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.step {
  position: relative;
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.step:hover {
  border-color: rgba(167, 139, 250, 0.3);
  transform: translateY(-3px);
}

.step-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--purple);
  margin-bottom: 0.75rem;
  opacity: 0.7;
}

.step h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

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

/* ===== Buy / Checkout ===== */
.buy {
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-dark) 50%, var(--bg-deep) 100%);
}

.buy-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

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

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  position: relative;
  transition: all var(--transition);
  cursor: pointer;
}

.pricing-card:hover,
.pricing-card.selected {
  border-color: var(--purple);
  box-shadow: var(--glow-purple);
}

.pricing-card.popular {
  border-color: rgba(34, 211, 238, 0.4);
}

.pricing-card.popular.selected {
  box-shadow: var(--glow-cyan);
}

.popular-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--cyan-dim), var(--cyan));
  color: var(--bg-deep);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pricing-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.price span {
  font-size: 1rem;
  color: var(--text-dim);
}

.pricing-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.checkout-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: sticky;
  top: 100px;
}

.checkout-panel h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.selected-summary {
  background: rgba(167, 139, 250, 0.08);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}

.selected-summary strong {
  color: var(--cyan);
}

#card-container {
  min-height: 50px;
  margin-bottom: 0.5rem;
}

#payment-status-container {
  margin-top: 1rem;
  font-size: 0.9rem;
  min-height: 1.5rem;
}

#payment-status-container.success {
  color: #34D399;
}

#payment-status-container.error {
  color: #F87171;
}

.checkout-note {
  margin-top: 1.25rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.checkout-note code {
  background: rgba(255, 255, 255, 0.06);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.7rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 280px;
}

.footer-links h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-links ul li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .buy-wrapper {
    grid-template-columns: 1fr;
  }

  .checkout-panel {
    position: static;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(300px, 80vw);
    height: 100vh;
    background: var(--bg-dark);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transition: right var(--transition);
    border-left: 1px solid var(--border);
    z-index: 999;
  }

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

  .hamburger {
    display: flex;
    z-index: 1001;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .pricing-cards {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .stat-value {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 4rem 0;
  }

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

  .btn {
    width: 100%;
    max-width: 280px;
  }
}