@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Core palette */
  --bg-deep: #030712;
  --bg-primary: #0a0f1a;
  --bg-elevated: #111827;
  --bg-card: rgba(17, 24, 39, 0.6);
  
  /* Text colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Accent colors - electric teal to violet */
  --accent: #06b6d4;
  --accent-glow: rgba(6, 182, 212, 0.4);
  --accent-subtle: rgba(6, 182, 212, 0.1);
  --accent-secondary: #8b5cf6;
  --accent-secondary-glow: rgba(139, 92, 246, 0.3);
  
  /* Borders and surfaces */
  --border: rgba(148, 163, 184, 0.1);
  --border-highlight: rgba(6, 182, 212, 0.3);
  --glass: rgba(17, 24, 39, 0.7);
  --glass-border: rgba(148, 163, 184, 0.08);
  
  /* Danger/warning */
  --danger: #f43f5e;
  --danger-glow: rgba(244, 63, 94, 0.2);
  
  /* Fonts */
  --font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  
  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background mesh effect */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 50% 30% at 60% 80%, rgba(6, 182, 212, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* Subtle grid overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(rgba(148, 163, 184, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

/* Links */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--text-primary);
}

/* Container */
.container {
  position: relative;
  z-index: 1;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

@media (max-width: 768px) {
  .container { width: calc(100% - 32px); }
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--glass-border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  gap: var(--space-lg);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand .name {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand .tag {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

nav a:not(.btn) {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  position: relative;
  padding: var(--space-xs) 0;
}

nav a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

nav a:not(.btn):hover { color: var(--text-primary); text-decoration: none; }
nav a:not(.btn):hover::after { transform: scaleX(1); }
nav a:not(.btn).active { color: var(--accent); }
nav a:not(.btn).active::after { transform: scaleX(1); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-base);
  text-decoration: none !important;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent) 0%, #0891b2 100%);
  color: var(--bg-deep);
  border-color: transparent;
  box-shadow: 0 0 20px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.2);
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow), 0 0 40px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.2);
}

.btn.secondary {
  background: var(--glass);
  color: var(--text-primary);
  border-color: var(--border);
  backdrop-filter: blur(10px);
}

.btn.secondary:hover {
  background: rgba(17, 24, 39, 0.9);
  border-color: var(--border-highlight);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  padding: var(--space-4xl) 0 var(--space-3xl);
  overflow: hidden;
}

/* Animated mesh background for hero */
.thread {
  position: absolute;
  inset: -200px;
  pointer-events: none;
  background: 
    radial-gradient(ellipse 100% 80% at 30% 20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 80% 60% at 70% 60%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 50% 90%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
  animation: meshFloat 20s ease-in-out infinite;
  transform: translateY(var(--threadShift, 0px));
}

@keyframes meshFloat {
  0%, 100% { transform: translateY(var(--threadShift, 0px)) scale(1); }
  50% { transform: translateY(calc(var(--threadShift, 0px) - 20px)) scale(1.02); }
}

.heroGrid {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (max-width: 1024px) {
  .heroGrid { grid-template-columns: 1fr; gap: var(--space-2xl); }
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--glass);
  backdrop-filter: blur(10px);
  color: var(--text-secondary);
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

h1 {
  margin: var(--space-lg) 0 0;
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text-primary) 20%, var(--accent) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lede {
  margin-top: var(--space-lg);
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 56ch;
  line-height: 1.7;
}

.lede + .lede { margin-top: var(--space-md); }
.muted { color: var(--text-muted); }

.ctaRow {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-xl);
}

/* Hero Card - Glass morphism */
.heroCard {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: 
    0 0 0 1px rgba(6, 182, 212, 0.1),
    0 20px 50px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
}

.heroCard::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}

.heroCard .label {
  color: var(--text-muted);
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.heroCard .grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.band {
  background: rgba(3, 7, 18, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: all var(--transition-base);
}

.band:hover {
  border-color: var(--border-highlight);
  background: rgba(6, 182, 212, 0.05);
}

.band .t {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.band .d {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  position: relative;
  padding: var(--space-4xl) 0;
  z-index: 1;
}

.section.tight { padding: var(--space-3xl) 0; }

.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.sectionTitle {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  margin: 0 0 var(--space-lg);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.copy {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 65ch;
  line-height: 1.7;
}

.copy + .copy { margin-top: var(--space-md); }

/* Grid layouts */
.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

@media (max-width: 900px) {
  .grid2 { grid-template-columns: 1fr; gap: var(--space-xl); }
}

/* Art frame - for images */
.artFrame {
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  background: var(--glass);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  position: relative;
}

.artFrame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.artFrame img {
  width: 100%;
  display: block;
}

/* ============================================
   RECEIPTS - Signature visual element
   ============================================ */
.receipt {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
  position: relative;
  overflow: hidden;
}

.receipt::before {
  content: '';
  position: absolute;
  top: 0;
  left: var(--space-lg);
  right: var(--space-lg);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

.receiptGlow {
  box-shadow: 
    0 0 0 1px var(--accent-subtle),
    0 0 30px var(--accent-subtle),
    0 16px 40px rgba(0, 0, 0, 0.25);
}

.receipt .head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.receipt .head .k {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.receipt .head .v {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.receipt .body {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
}

.receipt .body .law {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.6;
}

.receipt .body .line {
  margin-top: var(--space-sm);
  color: var(--text-muted);
}

/* ============================================
   LISTS
   ============================================ */
.listPlain {
  margin: var(--space-lg) 0 0;
  padding: 0;
  list-style: none;
}

.listPlain li {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
  position: relative;
  color: var(--text-secondary);
  font-size: 16px;
}

.listPlain li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  box-shadow: 0 0 10px var(--accent-glow);
}

/* ============================================
   CALLOUTS
   ============================================ */
.calloutRow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

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

.callout {
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.callout:hover {
  border-color: var(--border-highlight);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.callout .t {
  font-weight: 600;
  font-size: 15px;
  margin: 0 0 var(--space-sm);
  color: var(--text-primary);
}

.callout .p {
  margin: 0;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   DANGER BLOCK
   ============================================ */
.dangerBlock {
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.1) 0%, rgba(244, 63, 94, 0.05) 100%);
  border: 1px solid rgba(244, 63, 94, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.dangerBlock::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--danger), transparent);
}

.dangerBlock .t {
  margin: 0 0 var(--space-md);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.dangerBlock ul {
  margin: 0;
  padding-left: var(--space-lg);
  color: var(--text-secondary);
}

.dangerBlock li {
  margin: var(--space-sm) 0;
}

/* ============================================
   FORMS
   ============================================ */
.formBox {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  align-items: center;
  margin-top: var(--space-lg);
}

.input {
  background: rgba(3, 7, 18, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 14px;
  min-width: 280px;
  outline: none;
  transition: all var(--transition-fast);
}

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

.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle), 0 0 20px var(--accent-subtle);
}

/* ============================================
   PAGE TITLES
   ============================================ */
.pageTitle {
  padding: var(--space-3xl) 0 var(--space-xl);
  position: relative;
}

.pageTitle h1 {
  font-size: clamp(36px, 5vw, 52px);
  margin-top: var(--space-md);
}

.pageTitle .lede {
  max-width: 70ch;
}

/* ============================================
   UTILITIES
   ============================================ */
.hr {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: var(--space-2xl) 0;
}

.smallNote {
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.mono {
  font-family: var(--font-mono);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--border);
  background: rgba(3, 7, 18, 0.5);
  position: relative;
  z-index: 1;
}

.footer .cols {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-2xl);
}

@media (max-width: 768px) {
  .footer .cols { grid-template-columns: 1fr; }
}

.footer .mono {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.footer .links {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer .links a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color var(--transition-fast);
}

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

/* ============================================
   DEMO PAGE SPECIFIC STYLES
   ============================================ */
.demoWrap {
  padding: var(--space-2xl) 0 var(--space-3xl);
}

.demoGrid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 1024px) {
  .demoGrid { grid-template-columns: 1fr; }
}

.card {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.card h2 {
  margin: 0 0 var(--space-md);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

textarea {
  width: 100%;
  min-height: 280px;
  resize: vertical;
  background: var(--bg-deep);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  outline: none;
  transition: border-color var(--transition-fast);
}

textarea:focus {
  border-color: var(--accent);
}

.out {
  min-height: 280px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
  color: var(--text-secondary);
}

.row {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

.pill {
  font-size: 11px;
  padding: 6px 12px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.step {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-deep);
  transition: all var(--transition-base);
}

.step .k {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.step .v {
  margin-top: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  word-break: break-all;
}

.step.pending {
  opacity: 0.4;
}

.step.ok {
  border-color: rgba(34, 197, 94, 0.4);
  background: rgba(34, 197, 94, 0.08);
}

.step.ok .k {
  color: #22c55e;
}

.tiny {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: var(--space-md);
  font-family: var(--font-mono);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero .badge,
.hero h1,
.hero .lede,
.hero .ctaRow,
.heroCard {
  animation: fadeInUp 0.6s ease-out both;
}

.hero h1 { animation-delay: 0.1s; }
.hero .lede { animation-delay: 0.2s; }
.hero .ctaRow { animation-delay: 0.3s; }
.heroCard { animation-delay: 0.4s; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}