:root {
  --accent: #5DFFAA;
  --accent-fg: #0B0F0D;
  --accent-dim: rgba(93, 255, 170, 0.12);
  --accent-glow: rgba(93, 255, 170, 0.25);
  --accent-ring: rgba(93, 255, 170, 0.25);
  --accent-shadow: rgba(93, 255, 170, 0.35);
  --bg: #0B0F0D;
  --bg-deep: #050806;
  --surface: rgba(255, 255, 255, 0.03);
  --border: rgba(93, 255, 170, 0.15);
  --fg: #F0FFF5;
  --muted: rgba(93, 255, 170, 0.65);
  --faint: rgba(240, 255, 245, 0.4);
  --card-bg: var(--surface);
  --max: 72rem;
    --font: "Space Grotesk", system-ui, -apple-system, sans-serif;
  --radius: 0.75rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  letter-spacing: -0.01em;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
  box-shadow: 0 0 10px var(--accent-glow);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-deep);
}

.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse at top, var(--accent-dim), transparent 60%),
    radial-gradient(ellipse at bottom right, var(--accent-dim), transparent 50%),
    var(--bg-deep);
}

.shell {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 13, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, var(--accent-dim) 50%, transparent 70%);
  animation: navPattern 20s linear infinite;
  opacity: 0.1;
}

@keyframes navPattern {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.header-content {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 2;
    height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--fg);
  font-weight: 600;
  font-size: 1.125rem;
}

.brand-logo {
  filter: brightness(0) invert(1);
}

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

.nav-link {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  transition: color 0.2s ease;
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 1rem;
  cursor: pointer;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 44px;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
  box-shadow: 0 0 0 1px var(--accent), 0 2px 8px var(--accent-shadow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--accent), 0 4px 16px var(--accent-shadow);
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}

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

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

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* Unlock Screen */
.unlock-screen {
  padding: 6rem 1.5rem 4rem;
  text-align: center;
  background: linear-gradient(135deg, var(--bg-deep), var(--bg));
}

.unlock-content {
  max-width: var(--max);
  margin: 0 auto;
}

.unlock-label {
  font-size: clamp(1rem, 3vw, 1.5rem);
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}

.unlock-time {
  font-size: clamp(8rem, 20vw, 12rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.05em;
  line-height: 0.8;
  text-shadow: 0 0 40px var(--accent-glow);
}

/* Hero */
.hero {
  min-height: 100vh;
  padding: 8rem 1.5rem;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 30% 20%, var(--accent-glow), transparent 50%),
    radial-gradient(circle at 70% 80%, var(--accent-dim), transparent 60%),
    radial-gradient(circle at 50% 50%, var(--accent-shadow), transparent 70%);
  animation: heroAmbient 15s ease-in-out infinite alternate;
}

.hero::after {
  content: '';
  position: absolute;
  top: 20%;
  left: 10%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  border-radius: 50%;
  animation: heroGlow1 8s ease-in-out infinite alternate;
  opacity: 0.4;
}

.hero-content::before {
  content: '';
  position: absolute;
  bottom: 30%;
  right: 15%;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, var(--accent-dim), transparent 60%);
  border-radius: 50%;
  animation: heroGlow2 12s ease-in-out infinite alternate-reverse;
  opacity: 0.3;
}

@keyframes heroAmbient {
  0% { opacity: 0.3; transform: scale(1) rotate(0deg); }
  100% { opacity: 0.6; transform: scale(1.1) rotate(2deg); }
}

@keyframes heroGlow1 {
  0% { transform: translate(0, 0) scale(1); opacity: 0.2; }
  50% { transform: translate(20px, -30px) scale(1.2); opacity: 0.4; }
  100% { transform: translate(-10px, 20px) scale(0.9); opacity: 0.3; }
}

@keyframes heroGlow2 {
  0% { transform: translate(0, 0) scale(1); opacity: 0.1; }
  50% { transform: translate(-25px, 15px) scale(1.3); opacity: 0.3; }
  100% { transform: translate(15px, -20px) scale(0.8); opacity: 0.2; }
}

.hero-content {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(3.5rem, 12vw, 6rem);
  font-weight: 700;
  line-height: 0.95;
  margin: 0 0 2rem;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: 1.5rem;
  line-height: 1.4;
  color: var(--muted);
  margin: 0 0 3rem;
  max-width: 36rem;
  font-weight: 500;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.centered-ctas {
  justify-content: center;
}



/* Trust Bar */
.trust-bar {
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.trust-content {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.trust-stat {
  padding: 1rem;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Login Overlay */
.login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 6, 0.95);
  backdrop-filter: blur(20px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.login-overlay.active {
  opacity: 1;
  visibility: visible;
}

.login-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 3rem;
  max-width: 500px;
  width: 90%;
  position: relative;
  backdrop-filter: blur(20px);
  box-shadow: 
    0 0 0 1px rgba(93, 255, 170, 0.1),
    0 20px 60px rgba(0, 0, 0, 0.5);
}

.close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

.close-btn:hover {
  color: var(--accent);
  background: var(--accent-dim);
}

.unlock-section {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.unlock-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.countdown-display {
  margin: 1rem 0;
}

.countdown-time {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  text-shadow: 0 0 20px var(--accent-glow);
  font-family: 'JetBrains Mono', monospace;
}

.countdown-label {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
  text-transform: uppercase;
}

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

.login-form h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.login-form p {
  color: var(--muted);
  margin: 0 0 2rem;
}

.login-form input {
  width: 100%;
  padding: 1rem;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--fg);
  font-family: var(--font);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.login-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}

.login-form input::placeholder {
  color: var(--muted);
}

/* Dual Value */
.dual-value {
  padding: 8rem 1.5rem;
}

.dual-content {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.value-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 3rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(20px);
  box-shadow: 
    0 0 0 1px rgba(93, 255, 170, 0.05),
    0 4px 16px rgba(0, 0, 0, 0.2);
}

.value-card:hover {
  transform: translateY(-8px);
  box-shadow: 
    0 0 0 1px rgba(93, 255, 170, 0.15),
    0 12px 40px rgba(0, 0, 0, 0.4),
    0 0 60px rgba(93, 255, 170, 0.1);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

.card-description {
  color: var(--muted);
  margin: 0 0 2rem;
  line-height: 1.6;
}

/* How It Works */
.how-it-works {
  padding: 8rem 1.5rem;
  background: var(--surface);
}

.how-content {
  max-width: var(--max);
  margin: 0 auto;
  text-align: center;
}

.section-title {
  font-size: clamp(3rem, 8vw, 4.5rem);
  font-weight: 700;
  margin: 0 0 3rem;
  text-align: center;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.timeline {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  margin-top: 3rem;
}

.timeline-step {
  text-align: center;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--accent);
  color: var(--accent-fg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0 auto 1rem;
}

.step-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.step-description {
  color: var(--muted);
  margin: 0;
  font-size: 0.875rem;
}

.timeline-connector {
  height: 2px;
  background: var(--border);
  width: 100%;
}

/* Use Cases */
.use-cases {
  padding: 8rem 1.5rem;
}

.cases-content {
  max-width: var(--max);
  margin: 0 auto;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.case-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 3rem;
  text-align: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(20px);
  box-shadow: 
    0 0 0 1px rgba(93, 255, 170, 0.05),
    0 4px 16px rgba(0, 0, 0, 0.2);
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: 
    0 0 0 1px rgba(93, 255, 170, 0.15),
    0 12px 40px rgba(0, 0, 0, 0.4),
    0 0 60px rgba(93, 255, 170, 0.1);
}

.case-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin: 0 auto 1.5rem;
}

.case-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

.case-description {
  color: var(--muted);
  margin: 0;
}

/* Final CTA */
.final-cta {
  padding: 8rem 1.5rem;
  background: var(--surface);
  text-align: center;
}

.cta-content {
  max-width: var(--max);
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(3rem, 8vw, 4.5rem);
  font-weight: 700;
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.cta-subtitle {
  font-size: 1.25rem;
  color: var(--muted);
  margin: 0 0 2rem;
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}

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

/* Footer */
.site-footer {
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
}

.footer-content {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.875rem;
}

.footer-logo {
  filter: brightness(0) invert(1);
  opacity: 0.7;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-link {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
    padding: 1rem;
    height: 64px;
  }
  
  .login-content {
    padding: 2rem;
    margin: 1rem;
  }
  
  .countdown-time {
    font-size: 2rem;
  }
  
    .main-nav {
    gap: 1rem;
  }
  
  .nav-link {
    font-size: 0.875rem;
  }
  
  
  
    .hero {
    padding: 4rem 1rem;
    min-height: 80vh;
  }
  
    .dual-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .dual-value,
  .how-it-works,
  .use-cases,
  .final-cta {
    padding: 4rem 1rem;
  }
  
  .timeline {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .timeline-connector {
    display: none;
  }
  
  .trust-content {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .cases-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-ctas,
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .footer-links {
    gap: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .value-card,
  .case-card {
    transition: none;
  }
  
  .btn:hover,
  .value-card:hover,
  .case-card:hover {
    transform: none;
  }
}