:root {
  --bg-primary: #07090e;
  --bg-secondary: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(56, 189, 248, 0.35);
  --accent-cyan: #38bdf8;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-purple: #a855f7;
  --accent-indigo: #6366f1;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --glow-cyan: rgba(56, 189, 248, 0.15);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

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

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

/* Background Gradients */
.bg-glow {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100vh;
  background: 
    radial-gradient(circle at 50% -10%, rgba(56, 189, 248, 0.12), transparent 45%),
    radial-gradient(circle at 85% 25%, rgba(168, 85, 247, 0.08), transparent 40%),
    radial-gradient(circle at 15% 60%, rgba(16, 185, 129, 0.06), transparent 35%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(7, 9, 14, 0.75);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  perspective: 800px;
}

.brand img {
  height: 42px;
  width: auto;
  transition: transform 0.35s cubic-bezier(0.2, 0, 0, 1), filter 0.35s ease;
  transform-style: preserve-3d;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5)) drop-shadow(0 0 12px rgba(56, 189, 248, 0.25));
}

.brand:hover img {
  transform: rotateY(-10deg) rotateX(6deg) scale(1.04);
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.7)) drop-shadow(0 0 24px rgba(56, 189, 248, 0.7)) drop-shadow(0 0 40px rgba(168, 85, 247, 0.45));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #041322;
  box-shadow: 0 4px 18px rgba(56, 189, 248, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #38bdf8, #7dd3fc);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(56, 189, 248, 0.5);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
  border-radius: 8px;
}

.btn-lg {
  padding: 14px 30px;
  font-size: 16px;
  border-radius: 12px;
}

/* Interactive 3D Crystal Hero Component */
.hero-gem-container {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto 28px;
  perspective: 900px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.hero-gem-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 180px;
  height: 180px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(56, 189, 248, 0.4) 0%, rgba(168, 85, 247, 0.28) 40%, rgba(16, 185, 129, 0.15) 60%, transparent 75%);
  filter: blur(28px);
  border-radius: 50%;
  pointer-events: none;
  animation: pulseGemGlow 4s ease-in-out infinite alternate;
  z-index: 1;
}

@keyframes pulseGemGlow {
  0% { transform: translate(-50%, -50%) scale(0.92); opacity: 0.75; }
  100% { transform: translate(-50%, -50%) scale(1.18); opacity: 1; }
}

.hero-gem {
  position: relative;
  width: 120px;
  height: 120px;
  transform-style: preserve-3d;
  will-change: transform;
  z-index: 2;
  filter: drop-shadow(0 10px 28px rgba(0, 0, 0, 0.8)) drop-shadow(0 0 24px rgba(56, 189, 248, 0.5));
  animation: floatGem 5s ease-in-out infinite;
}

@keyframes floatGem {
  0%, 100% { transform: translateY(0px) rotateZ(0deg); }
  50% { transform: translateY(-7px) rotateZ(1deg); }
}

.hero-gem img {
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  user-select: none;
}

.gem-glare {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.65) 0%, transparent 55%);
  mix-blend-mode: overlay;
  pointer-events: none;
  opacity: 0.55;
  transition: opacity 0.3s ease;
}

/* Hero Section */
.hero {
  padding: 70px 0 60px;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--accent-cyan);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.hero h1 {
  font-size: 58px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, #f8fafc 20%, #38bdf8 70%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 740px;
  margin: 0 auto 36px;
  line-height: 1.55;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.terminal-copy {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-secondary);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.terminal-copy code {
  color: var(--accent-cyan);
}

.copy-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Graph Canvas Section */
.canvas-wrapper {
  margin: 40px auto 70px;
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at 50% 50%, rgba(15, 23, 42, 0.8), rgba(7, 9, 14, 0.95));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(56, 189, 248, 0.08);
  position: relative;
  overflow: hidden;
  height: 480px;
}

#heroGraphCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.canvas-overlay {
  position: absolute;
  top: 18px;
  left: 20px;
  display: flex;
  gap: 8px;
  align-items: center;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.canvas-hint {
  position: absolute;
  bottom: 16px;
  right: 20px;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  font-size: 12px;
  color: var(--text-muted);
  pointer-events: none;
}

/* Feature Grid */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 54px;
}

.section-header h2 {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.section-header p {
  font-size: 18px;
  color: var(--text-secondary);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 32px;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
  position: relative;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

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

/* Comparison Table */
.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comp-table th,
.comp-table td {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 15px;
}

.comp-table th {
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-primary);
  font-weight: 700;
}

.comp-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.check {
  color: var(--accent-emerald);
  font-weight: bold;
}

.cross {
  color: #f87171;
}

/* Pricing Grid */
.pricing-switcher {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.toggle-label {
  font-size: 15px;
  color: var(--text-secondary);
  cursor: pointer;
}

.toggle-label.active {
  color: var(--text-primary);
  font-weight: 600;
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #334155;
  transition: 0.3s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--accent-cyan);
}

input:checked + .slider:before {
  transform: translateX(24px);
}

.discount-pill {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 36px 30px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.pricing-card.featured {
  border-color: var(--accent-cyan);
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.08) 0%, rgba(15, 23, 42, 0.9) 100%);
  box-shadow: 0 10px 40px rgba(56, 189, 248, 0.15);
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #041322;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-header h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-desc {
  color: var(--text-secondary);
  font-size: 14px;
  min-height: 42px;
}

.pricing-price {
  margin: 24px 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.pricing-price .amount {
  font-size: 46px;
  font-weight: 800;
  color: var(--text-primary);
}

.pricing-price .period {
  color: var(--text-muted);
  font-size: 15px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.pricing-features li span {
  color: var(--accent-cyan);
}

/* Download Cards */
.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.2s ease;
}

.download-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-2px);
}

.download-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

/* Modal */
.modal-backdrop {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.active {
  display: flex;
}

.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-highlight);
  border-radius: 18px;
  max-width: 500px;
  width: 100%;
  padding: 32px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.6);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--text-primary);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 40px;
  margin-top: 100px;
  background: rgba(7, 9, 14, 0.6);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
}

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

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 38px;
  }
  .hero-subtitle {
    font-size: 17px;
  }
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .canvas-wrapper {
    height: 360px;
  }
}

/* Smart Vault Connection Badge & Form */
.btn-vault-live {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff !important;
  border: 1px solid rgba(16, 185, 129, 0.4);
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.35);
  animation: pulseVaultGlow 3s infinite ease-in-out;
}
@keyframes pulseVaultGlow {
  0%, 100% { box-shadow: 0 0 10px rgba(16, 185, 129, 0.3); }
  50% { box-shadow: 0 0 20px rgba(16, 185, 129, 0.6); }
}

.vault-connect-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 18px;
}

.vault-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.vault-input-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.vault-input-row {
  display: flex;
  gap: 8px;
}

.vault-input-row input {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  width: 100%;
}

.vault-input-row input:focus {
  border-color: var(--accent-cyan);
}

.vault-status-msg {
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 8px;
  display: none;
}
.vault-status-msg.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald);
}
.vault-status-msg.error {
  display: block;
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fb7185;
}
.vault-status-msg.info {
  display: block;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--accent-cyan);
}